diff options
author | Kaleb S KEITHLEY <kkeithle@redhat.com> | 2016-02-18 11:21:12 -0500 |
---|---|---|
committer | Jeff Darcy <jdarcy@redhat.com> | 2016-03-07 03:34:59 -0800 |
commit | 6860968c3adaf2e8c3cb51124bbdfccef74beeb9 (patch) | |
tree | 0bb3721f3ae438e7ea7891e0a179cfa63b697a7c /contrib/qemu | |
parent | 459d0a5e173f9d9f597aec89f81e5377425eb8fb (diff) |
qemu-block: deprecated/defunct, remove from tree
qemu-block xlator is not used by anyone, or so I'm told.
It's also substantially out of date. There's little reason to keep
it in our sources. (And FedoraProject doesn't like bundled software
either.)
Change-Id: I4aeb2fdfd962ec6d93de6bae126874121272220a
Signed-off-by: Kaleb S KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/13473
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Diffstat (limited to 'contrib/qemu')
109 files changed, 0 insertions, 39377 deletions
diff --git a/contrib/qemu/block.c b/contrib/qemu/block.c deleted file mode 100644 index b56024113b8..00000000000 --- a/contrib/qemu/block.c +++ /dev/null @@ -1,4604 +0,0 @@ -/* - * QEMU System Emulator block driver - * - * Copyright (c) 2003 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "config-host.h" -#include "qemu-common.h" -#include "trace.h" -#include "monitor/monitor.h" -#include "block/block_int.h" -#include "block/blockjob.h" -#include "qemu/module.h" -#include "qapi/qmp/qjson.h" -#include "sysemu/sysemu.h" -#include "qemu/notify.h" -#include "block/coroutine.h" -#include "qmp-commands.h" -#include "qemu/timer.h" - -#ifdef CONFIG_BSD -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <sys/queue.h> -#ifndef __DragonFly__ -#include <sys/disk.h> -#endif -#endif - -#ifdef _WIN32 -#include <windows.h> -#endif - -#define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress */ - -typedef enum { - BDRV_REQ_COPY_ON_READ = 0x1, - BDRV_REQ_ZERO_WRITE = 0x2, -} BdrvRequestFlags; - -static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load); -static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -static BlockDriverAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -static int coroutine_fn bdrv_co_readv_em(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov); -static int coroutine_fn bdrv_co_writev_em(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov); -static int coroutine_fn bdrv_co_do_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, - BdrvRequestFlags flags); -static int coroutine_fn bdrv_co_do_writev(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, - BdrvRequestFlags flags); -static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - bool is_write); -static void coroutine_fn bdrv_co_do_rw(void *opaque); -static int coroutine_fn bdrv_co_do_write_zeroes(BlockDriverState *bs, - int64_t sector_num, int nb_sectors); - -static bool bdrv_exceed_bps_limits(BlockDriverState *bs, int nb_sectors, - bool is_write, double elapsed_time, uint64_t *wait); -static bool bdrv_exceed_iops_limits(BlockDriverState *bs, bool is_write, - double elapsed_time, uint64_t *wait); -static bool bdrv_exceed_io_limits(BlockDriverState *bs, int nb_sectors, - bool is_write, int64_t *wait); - -static QTAILQ_HEAD(, BlockDriverState) bdrv_states = - QTAILQ_HEAD_INITIALIZER(bdrv_states); - -static QLIST_HEAD(, BlockDriver) bdrv_drivers = - QLIST_HEAD_INITIALIZER(bdrv_drivers); - -/* If non-zero, use only whitelisted block drivers */ -static int use_bdrv_whitelist; - -#ifdef _WIN32 -static int is_windows_drive_prefix(const char *filename) -{ - return (((filename[0] >= 'a' && filename[0] <= 'z') || - (filename[0] >= 'A' && filename[0] <= 'Z')) && - filename[1] == ':'); -} - -int is_windows_drive(const char *filename) -{ - if (is_windows_drive_prefix(filename) && - filename[2] == '\0') - return 1; - if (strstart(filename, "\\\\.\\", NULL) || - strstart(filename, "//./", NULL)) - return 1; - return 0; -} -#endif - -/* throttling disk I/O limits */ -void bdrv_io_limits_disable(BlockDriverState *bs) -{ - bs->io_limits_enabled = false; - - while (qemu_co_queue_next(&bs->throttled_reqs)); - - if (bs->block_timer) { - qemu_del_timer(bs->block_timer); - qemu_free_timer(bs->block_timer); - bs->block_timer = NULL; - } - - bs->slice_start = 0; - bs->slice_end = 0; -} - -static void bdrv_block_timer(void *opaque) -{ - BlockDriverState *bs = opaque; - - qemu_co_queue_next(&bs->throttled_reqs); -} - -void bdrv_io_limits_enable(BlockDriverState *bs) -{ - qemu_co_queue_init(&bs->throttled_reqs); - bs->block_timer = qemu_new_timer_ns(vm_clock, bdrv_block_timer, bs); - bs->io_limits_enabled = true; -} - -bool bdrv_io_limits_enabled(BlockDriverState *bs) -{ - BlockIOLimit *io_limits = &bs->io_limits; - return io_limits->bps[BLOCK_IO_LIMIT_READ] - || io_limits->bps[BLOCK_IO_LIMIT_WRITE] - || io_limits->bps[BLOCK_IO_LIMIT_TOTAL] - || io_limits->iops[BLOCK_IO_LIMIT_READ] - || io_limits->iops[BLOCK_IO_LIMIT_WRITE] - || io_limits->iops[BLOCK_IO_LIMIT_TOTAL]; -} - -static void bdrv_io_limits_intercept(BlockDriverState *bs, - bool is_write, int nb_sectors) -{ - int64_t wait_time = -1; - - if (!qemu_co_queue_empty(&bs->throttled_reqs)) { - qemu_co_queue_wait(&bs->throttled_reqs); - } - - /* In fact, we hope to keep each request's timing, in FIFO mode. The next - * throttled requests will not be dequeued until the current request is - * allowed to be serviced. So if the current request still exceeds the - * limits, it will be inserted to the head. All requests followed it will - * be still in throttled_reqs queue. - */ - - while (bdrv_exceed_io_limits(bs, nb_sectors, is_write, &wait_time)) { - qemu_mod_timer(bs->block_timer, - wait_time + qemu_get_clock_ns(vm_clock)); - qemu_co_queue_wait_insert_head(&bs->throttled_reqs); - } - - qemu_co_queue_next(&bs->throttled_reqs); -} - -/* check if the path starts with "<protocol>:" */ -static int path_has_protocol(const char *path) -{ - const char *p; - -#ifdef _WIN32 - if (is_windows_drive(path) || - is_windows_drive_prefix(path)) { - return 0; - } - p = path + strcspn(path, ":/\\"); -#else - p = path + strcspn(path, ":/"); -#endif - - return *p == ':'; -} - -int path_is_absolute(const char *path) -{ -#ifdef _WIN32 - /* specific case for names like: "\\.\d:" */ - if (is_windows_drive(path) || is_windows_drive_prefix(path)) { - return 1; - } - return (*path == '/' || *path == '\\'); -#else - return (*path == '/'); -#endif -} - -/* if filename is absolute, just copy it to dest. Otherwise, build a - path to it by considering it is relative to base_path. URL are - supported. */ -void path_combine(char *dest, int dest_size, - const char *base_path, - const char *filename) -{ - const char *p, *p1; - int len; - - if (dest_size <= 0) - return; - if (path_is_absolute(filename)) { - pstrcpy(dest, dest_size, filename); - } else { - p = strchr(base_path, ':'); - if (p) - p++; - else - p = base_path; - p1 = strrchr(base_path, '/'); -#ifdef _WIN32 - { - const char *p2; - p2 = strrchr(base_path, '\\'); - if (!p1 || p2 > p1) - p1 = p2; - } -#endif - if (p1) - p1++; - else - p1 = base_path; - if (p1 > p) - p = p1; - len = p - base_path; - if (len > dest_size - 1) - len = dest_size - 1; - memcpy(dest, base_path, len); - dest[len] = '\0'; - pstrcat(dest, dest_size, filename); - } -} - -void bdrv_get_full_backing_filename(BlockDriverState *bs, char *dest, size_t sz) -{ - if (bs->backing_file[0] == '\0' || path_has_protocol(bs->backing_file)) { - pstrcpy(dest, sz, bs->backing_file); - } else { - path_combine(dest, sz, bs->filename, bs->backing_file); - } -} - -void bdrv_register(BlockDriver *bdrv) -{ - /* Block drivers without coroutine functions need emulation */ - if (!bdrv->bdrv_co_readv) { - bdrv->bdrv_co_readv = bdrv_co_readv_em; - bdrv->bdrv_co_writev = bdrv_co_writev_em; - - /* bdrv_co_readv_em()/brdv_co_writev_em() work in terms of aio, so if - * the block driver lacks aio we need to emulate that too. - */ - if (!bdrv->bdrv_aio_readv) { - /* add AIO emulation layer */ - bdrv->bdrv_aio_readv = bdrv_aio_readv_em; - bdrv->bdrv_aio_writev = bdrv_aio_writev_em; - } - } - - QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list); -} - -/* create a new block device (by default it is empty) */ -BlockDriverState *bdrv_new(const char *device_name) -{ - BlockDriverState *bs; - - bs = g_malloc0(sizeof(BlockDriverState)); - pstrcpy(bs->device_name, sizeof(bs->device_name), device_name); - if (device_name[0] != '\0') { - QTAILQ_INSERT_TAIL(&bdrv_states, bs, list); - } - bdrv_iostatus_disable(bs); - notifier_list_init(&bs->close_notifiers); - notifier_with_return_list_init(&bs->before_write_notifiers); - - return bs; -} - -void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify) -{ - notifier_list_add(&bs->close_notifiers, notify); -} - -BlockDriver *bdrv_find_format(const char *format_name) -{ - BlockDriver *drv1; - QLIST_FOREACH(drv1, &bdrv_drivers, list) { - if (!strcmp(drv1->format_name, format_name)) { - return drv1; - } - } - return NULL; -} - -static int bdrv_is_whitelisted(BlockDriver *drv, bool read_only) -{ - static const char *whitelist_rw[] = { - CONFIG_BDRV_RW_WHITELIST - }; - static const char *whitelist_ro[] = { - CONFIG_BDRV_RO_WHITELIST - }; - const char **p; - - if (!whitelist_rw[0] && !whitelist_ro[0]) { - return 1; /* no whitelist, anything goes */ - } - - for (p = whitelist_rw; *p; p++) { - if (!strcmp(drv->format_name, *p)) { - return 1; - } - } - if (read_only) { - for (p = whitelist_ro; *p; p++) { - if (!strcmp(drv->format_name, *p)) { - return 1; - } - } - } - return 0; -} - -BlockDriver *bdrv_find_whitelisted_format(const char *format_name, - bool read_only) -{ - BlockDriver *drv = bdrv_find_format(format_name); - return drv && bdrv_is_whitelisted(drv, read_only) ? drv : NULL; -} - -typedef struct CreateCo { - BlockDriver *drv; - char *filename; - QEMUOptionParameter *options; - int ret; -} CreateCo; - -static void coroutine_fn bdrv_create_co_entry(void *opaque) -{ - CreateCo *cco = opaque; - assert(cco->drv); - - cco->ret = cco->drv->bdrv_create(cco->filename, cco->options); -} - -int bdrv_create(BlockDriver *drv, const char* filename, - QEMUOptionParameter *options) -{ - int ret; - - Coroutine *co; - CreateCo cco = { - .drv = drv, - .filename = g_strdup(filename), - .options = options, - .ret = NOT_DONE, - }; - - if (!drv->bdrv_create) { - ret = -ENOTSUP; - goto out; - } - - if (qemu_in_coroutine()) { - /* Fast-path if already in coroutine context */ - bdrv_create_co_entry(&cco); - } else { - co = qemu_coroutine_create(bdrv_create_co_entry); - qemu_coroutine_enter(co, &cco); - while (cco.ret == NOT_DONE) { - qemu_aio_wait(); - } - } - - ret = cco.ret; - -out: - g_free(cco.filename); - return ret; -} - -int bdrv_create_file(const char* filename, QEMUOptionParameter *options) -{ - BlockDriver *drv; - - drv = bdrv_find_protocol(filename, true); - if (drv == NULL) { - return -ENOENT; - } - - return bdrv_create(drv, filename, options); -} - -/* - * Create a uniquely-named empty temporary file. - * Return 0 upon success, otherwise a negative errno value. - */ -int get_tmp_filename(char *filename, int size) -{ -#ifdef _WIN32 - char temp_dir[MAX_PATH]; - /* GetTempFileName requires that its output buffer (4th param) - have length MAX_PATH or greater. */ - assert(size >= MAX_PATH); - return (GetTempPath(MAX_PATH, temp_dir) - && GetTempFileName(temp_dir, "qem", 0, filename) - ? 0 : -GetLastError()); -#else - int fd; - const char *tmpdir; - tmpdir = getenv("TMPDIR"); - if (!tmpdir) - tmpdir = "/tmp"; - if (snprintf(filename, size, "%s/vl.XXXXXX", tmpdir) >= size) { - return -EOVERFLOW; - } - fd = mkstemp(filename); - if (fd < 0) { - return -errno; - } - if (close(fd) != 0) { - unlink(filename); - return -errno; - } - return 0; -#endif -} - -/* - * Detect host devices. By convention, /dev/cdrom[N] is always - * recognized as a host CDROM. - */ -static BlockDriver *find_hdev_driver(const char *filename) -{ - int score_max = 0, score; - BlockDriver *drv = NULL, *d; - - QLIST_FOREACH(d, &bdrv_drivers, list) { - if (d->bdrv_probe_device) { - score = d->bdrv_probe_device(filename); - if (score > score_max) { - score_max = score; - drv = d; - } - } - } - - return drv; -} - -BlockDriver *bdrv_find_protocol(const char *filename, - bool allow_protocol_prefix) -{ - BlockDriver *drv1; - char protocol[128]; - int len; - const char *p; - - /* TODO Drivers without bdrv_file_open must be specified explicitly */ - - /* - * XXX(hch): we really should not let host device detection - * override an explicit protocol specification, but moving this - * later breaks access to device names with colons in them. - * Thanks to the brain-dead persistent naming schemes on udev- - * based Linux systems those actually are quite common. - */ - drv1 = find_hdev_driver(filename); - if (drv1) { - return drv1; - } - - if (!path_has_protocol(filename) || !allow_protocol_prefix) { - return bdrv_find_format("file"); - } - - p = strchr(filename, ':'); - assert(p != NULL); - len = p - filename; - if (len > sizeof(protocol) - 1) - len = sizeof(protocol) - 1; - memcpy(protocol, filename, len); - protocol[len] = '\0'; - QLIST_FOREACH(drv1, &bdrv_drivers, list) { - if (drv1->protocol_name && - !strcmp(drv1->protocol_name, protocol)) { - return drv1; - } - } - return NULL; -} - -static int find_image_format(BlockDriverState *bs, const char *filename, - BlockDriver **pdrv) -{ - int score, score_max; - BlockDriver *drv1, *drv; - uint8_t buf[2048]; - int ret = 0; - - /* Return the raw BlockDriver * to scsi-generic devices or empty drives */ - if (bs->sg || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) { - drv = bdrv_find_format("raw"); - if (!drv) { - ret = -ENOENT; - } - *pdrv = drv; - return ret; - } - - ret = bdrv_pread(bs, 0, buf, sizeof(buf)); - if (ret < 0) { - *pdrv = NULL; - return ret; - } - - score_max = 0; - drv = NULL; - QLIST_FOREACH(drv1, &bdrv_drivers, list) { - if (drv1->bdrv_probe) { - score = drv1->bdrv_probe(buf, ret, filename); - if (score > score_max) { - score_max = score; - drv = drv1; - } - } - } - if (!drv) { - ret = -ENOENT; - } - *pdrv = drv; - return ret; -} - -/** - * Set the current 'total_sectors' value - */ -static int refresh_total_sectors(BlockDriverState *bs, int64_t hint) -{ - BlockDriver *drv = bs->drv; - - /* Do not attempt drv->bdrv_getlength() on scsi-generic devices */ - if (bs->sg) - return 0; - - /* query actual device if possible, otherwise just trust the hint */ - if (drv->bdrv_getlength) { - int64_t length = drv->bdrv_getlength(bs); - if (length < 0) { - return length; - } - hint = length >> BDRV_SECTOR_BITS; - } - - bs->total_sectors = hint; - return 0; -} - -/** - * Set open flags for a given discard mode - * - * Return 0 on success, -1 if the discard mode was invalid. - */ -int bdrv_parse_discard_flags(const char *mode, int *flags) -{ - *flags &= ~BDRV_O_UNMAP; - - if (!strcmp(mode, "off") || !strcmp(mode, "ignore")) { - /* do nothing */ - } else if (!strcmp(mode, "on") || !strcmp(mode, "unmap")) { - *flags |= BDRV_O_UNMAP; - } else { - return -1; - } - - return 0; -} - -/** - * Set open flags for a given cache mode - * - * Return 0 on success, -1 if the cache mode was invalid. - */ -int bdrv_parse_cache_flags(const char *mode, int *flags) -{ - *flags &= ~BDRV_O_CACHE_MASK; - - if (!strcmp(mode, "off") || !strcmp(mode, "none")) { - *flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB; - } else if (!strcmp(mode, "directsync")) { - *flags |= BDRV_O_NOCACHE; - } else if (!strcmp(mode, "writeback")) { - *flags |= BDRV_O_CACHE_WB; - } else if (!strcmp(mode, "unsafe")) { - *flags |= BDRV_O_CACHE_WB; - *flags |= BDRV_O_NO_FLUSH; - } else if (!strcmp(mode, "writethrough")) { - /* this is the default */ - } else { - return -1; - } - - return 0; -} - -/** - * The copy-on-read flag is actually a reference count so multiple users may - * use the feature without worrying about clobbering its previous state. - * Copy-on-read stays enabled until all users have called to disable it. - */ -void bdrv_enable_copy_on_read(BlockDriverState *bs) -{ - bs->copy_on_read++; -} - -void bdrv_disable_copy_on_read(BlockDriverState *bs) -{ - assert(bs->copy_on_read > 0); - bs->copy_on_read--; -} - -static int bdrv_open_flags(BlockDriverState *bs, int flags) -{ - int open_flags = flags | BDRV_O_CACHE_WB; - - /* - * Clear flags that are internal to the block layer before opening the - * image. - */ - open_flags &= ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING); - - /* - * Snapshots should be writable. - */ - if (bs->is_temporary) { - open_flags |= BDRV_O_RDWR; - } - - return open_flags; -} - -/* - * Common part for opening disk images and files - * - * Removes all processed options from *options. - */ -static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file, - QDict *options, int flags, BlockDriver *drv) -{ - int ret, open_flags; - const char *filename; - - assert(drv != NULL); - assert(bs->file == NULL); - assert(options != NULL && bs->options != options); - - if (file != NULL) { - filename = file->filename; - } else { - filename = qdict_get_try_str(options, "filename"); - } - - trace_bdrv_open_common(bs, filename ?: "", flags, drv->format_name); - - /* bdrv_open() with directly using a protocol as drv. This layer is already - * opened, so assign it to bs (while file becomes a closed BlockDriverState) - * and return immediately. */ - if (file != NULL && drv->bdrv_file_open) { - bdrv_swap(file, bs); - return 0; - } - - bs->open_flags = flags; - bs->buffer_alignment = 512; - open_flags = bdrv_open_flags(bs, flags); - bs->read_only = !(open_flags & BDRV_O_RDWR); - - if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, bs->read_only)) { - return -ENOTSUP; - } - - assert(bs->copy_on_read == 0); /* bdrv_new() and bdrv_close() make it so */ - if (!bs->read_only && (flags & BDRV_O_COPY_ON_READ)) { - bdrv_enable_copy_on_read(bs); - } - - if (filename != NULL) { - pstrcpy(bs->filename, sizeof(bs->filename), filename); - } else { - bs->filename[0] = '\0'; - } - - bs->drv = drv; - bs->opaque = g_malloc0(drv->instance_size); - - bs->enable_write_cache = !!(flags & BDRV_O_CACHE_WB); - - /* Open the image, either directly or using a protocol */ - if (drv->bdrv_file_open) { - assert(file == NULL); - assert(drv->bdrv_parse_filename || filename != NULL); - ret = drv->bdrv_file_open(bs, options, open_flags); - } else { - if (file == NULL) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't use '%s' as a " - "block driver for the protocol level", - drv->format_name); - ret = -EINVAL; - goto free_and_fail; - } - assert(file != NULL); - bs->file = file; - ret = drv->bdrv_open(bs, options, open_flags); - } - - if (ret < 0) { - goto free_and_fail; - } - - ret = refresh_total_sectors(bs, bs->total_sectors); - if (ret < 0) { - goto free_and_fail; - } - -#ifndef _WIN32 - if (bs->is_temporary) { - assert(filename != NULL); - unlink(filename); - } -#endif - return 0; - -free_and_fail: - bs->file = NULL; - g_free(bs->opaque); - bs->opaque = NULL; - bs->drv = NULL; - return ret; -} - -/* - * Opens a file using a protocol (file, host_device, nbd, ...) - * - * options is a QDict of options to pass to the block drivers, or NULL for an - * empty set of options. The reference to the QDict belongs to the block layer - * after the call (even on failure), so if the caller intends to reuse the - * dictionary, it needs to use QINCREF() before calling bdrv_file_open. - */ -int bdrv_file_open(BlockDriverState **pbs, const char *filename, - QDict *options, int flags) -{ - BlockDriverState *bs; - BlockDriver *drv; - const char *drvname; - bool allow_protocol_prefix = false; - int ret; - - /* NULL means an empty set of options */ - if (options == NULL) { - options = qdict_new(); - } - - bs = bdrv_new(""); - bs->options = options; - options = qdict_clone_shallow(options); - - /* Fetch the file name from the options QDict if necessary */ - if (!filename) { - filename = qdict_get_try_str(options, "filename"); - } else if (filename && !qdict_haskey(options, "filename")) { - qdict_put(options, "filename", qstring_from_str(filename)); - allow_protocol_prefix = true; - } else { - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't specify 'file' and " - "'filename' options at the same time"); - ret = -EINVAL; - goto fail; - } - - /* Find the right block driver */ - drvname = qdict_get_try_str(options, "driver"); - if (drvname) { - drv = bdrv_find_whitelisted_format(drvname, !(flags & BDRV_O_RDWR)); - qdict_del(options, "driver"); - } else if (filename) { - drv = bdrv_find_protocol(filename, allow_protocol_prefix); - if (!drv) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Unknown protocol"); - } - } else { - qerror_report(ERROR_CLASS_GENERIC_ERROR, - "Must specify either driver or file"); - drv = NULL; - } - - if (!drv) { - ret = -ENOENT; - goto fail; - } - - /* Parse the filename and open it */ - if (drv->bdrv_parse_filename && filename) { - Error *local_err = NULL; - drv->bdrv_parse_filename(filename, options, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - ret = -EINVAL; - goto fail; - } - qdict_del(options, "filename"); - } else if (!drv->bdrv_parse_filename && !filename) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, - "The '%s' block driver requires a file name", - drv->format_name); - ret = -EINVAL; - goto fail; - } - - ret = bdrv_open_common(bs, NULL, options, flags, drv); - if (ret < 0) { - goto fail; - } - - /* Check if any unknown options were used */ - if (qdict_size(options) != 0) { - const QDictEntry *entry = qdict_first(options); - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Block protocol '%s' doesn't " - "support the option '%s'", - drv->format_name, entry->key); - ret = -EINVAL; - goto fail; - } - QDECREF(options); - - bs->growable = 1; - *pbs = bs; - return 0; - -fail: - QDECREF(options); - if (!bs->drv) { - QDECREF(bs->options); - } - bdrv_delete(bs); - return ret; -} - -/* - * Opens the backing file for a BlockDriverState if not yet open - * - * options is a QDict of options to pass to the block drivers, or NULL for an - * empty set of options. The reference to the QDict is transferred to this - * function (even on failure), so if the caller intends to reuse the dictionary, - * it needs to use QINCREF() before calling bdrv_file_open. - */ -int bdrv_open_backing_file(BlockDriverState *bs, QDict *options) -{ - char backing_filename[PATH_MAX]; - int back_flags, ret; - BlockDriver *back_drv = NULL; - - if (bs->backing_hd != NULL) { - QDECREF(options); - return 0; - } - - /* NULL means an empty set of options */ - if (options == NULL) { - options = qdict_new(); - } - - bs->open_flags &= ~BDRV_O_NO_BACKING; - if (qdict_haskey(options, "file.filename")) { - backing_filename[0] = '\0'; - } else if (bs->backing_file[0] == '\0' && qdict_size(options) == 0) { - QDECREF(options); - return 0; - } - - bs->backing_hd = bdrv_new(""); - bdrv_get_full_backing_filename(bs, backing_filename, - sizeof(backing_filename)); - - if (bs->backing_format[0] != '\0') { - back_drv = bdrv_find_format(bs->backing_format); - } - - /* backing files always opened read-only */ - back_flags = bs->open_flags & ~(BDRV_O_RDWR | BDRV_O_SNAPSHOT); - - ret = bdrv_open(bs->backing_hd, - *backing_filename ? backing_filename : NULL, options, - back_flags, back_drv); - if (ret < 0) { - bdrv_delete(bs->backing_hd); - bs->backing_hd = NULL; - bs->open_flags |= BDRV_O_NO_BACKING; - return ret; - } - return 0; -} - -static void extract_subqdict(QDict *src, QDict **dst, const char *start) -{ - const QDictEntry *entry, *next; - const char *p; - - *dst = qdict_new(); - entry = qdict_first(src); - - while (entry != NULL) { - next = qdict_next(src, entry); - if (strstart(entry->key, start, &p)) { - qobject_incref(entry->value); - qdict_put_obj(*dst, p, entry->value); - qdict_del(src, entry->key); - } - entry = next; - } -} - -/* - * Opens a disk image (raw, qcow2, vmdk, ...) - * - * options is a QDict of options to pass to the block drivers, or NULL for an - * empty set of options. The reference to the QDict belongs to the block layer - * after the call (even on failure), so if the caller intends to reuse the - * dictionary, it needs to use QINCREF() before calling bdrv_open. - */ -int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options, - int flags, BlockDriver *drv) -{ - int ret; - /* TODO: extra byte is a hack to ensure MAX_PATH space on Windows. */ - char tmp_filename[PATH_MAX + 1]; - BlockDriverState *file = NULL; - QDict *file_options = NULL; - - /* NULL means an empty set of options */ - if (options == NULL) { - options = qdict_new(); - } - - bs->options = options; - options = qdict_clone_shallow(options); - - /* For snapshot=on, create a temporary qcow2 overlay */ - if (flags & BDRV_O_SNAPSHOT) { - BlockDriverState *bs1; - int64_t total_size; - BlockDriver *bdrv_qcow2; - QEMUOptionParameter *create_options; - char backing_filename[PATH_MAX]; - - if (qdict_size(options) != 0) { - error_report("Can't use snapshot=on with driver-specific options"); - ret = -EINVAL; - goto fail; - } - assert(filename != NULL); - - /* if snapshot, we create a temporary backing file and open it - instead of opening 'filename' directly */ - - /* if there is a backing file, use it */ - bs1 = bdrv_new(""); - ret = bdrv_open(bs1, filename, NULL, 0, drv); - if (ret < 0) { - bdrv_delete(bs1); - goto fail; - } - total_size = bdrv_getlength(bs1) & BDRV_SECTOR_MASK; - - bdrv_delete(bs1); - - ret = get_tmp_filename(tmp_filename, sizeof(tmp_filename)); - if (ret < 0) { - goto fail; - } - - /* Real path is meaningless for protocols */ - if (path_has_protocol(filename)) { - snprintf(backing_filename, sizeof(backing_filename), - "%s", filename); - } else if (!realpath(filename, backing_filename)) { - ret = -errno; - goto fail; - } - - bdrv_qcow2 = bdrv_find_format("qcow2"); - create_options = parse_option_parameters("", bdrv_qcow2->create_options, - NULL); - - set_option_parameter_int(create_options, BLOCK_OPT_SIZE, total_size); - set_option_parameter(create_options, BLOCK_OPT_BACKING_FILE, - backing_filename); - if (drv) { - set_option_parameter(create_options, BLOCK_OPT_BACKING_FMT, - drv->format_name); - } - - ret = bdrv_create(bdrv_qcow2, tmp_filename, create_options); - free_option_parameters(create_options); - if (ret < 0) { - goto fail; - } - - filename = tmp_filename; - drv = bdrv_qcow2; - bs->is_temporary = 1; - } - - /* Open image file without format layer */ - if (flags & BDRV_O_RDWR) { - flags |= BDRV_O_ALLOW_RDWR; - } - - extract_subqdict(options, &file_options, "file."); - - ret = bdrv_file_open(&file, filename, file_options, - bdrv_open_flags(bs, flags | BDRV_O_UNMAP)); - if (ret < 0) { - goto fail; - } - - /* Find the right image format driver */ - if (!drv) { - ret = find_image_format(file, filename, &drv); - } - - if (!drv) { - goto unlink_and_fail; - } - - /* Open the image */ - ret = bdrv_open_common(bs, file, options, flags, drv); - if (ret < 0) { - goto unlink_and_fail; - } - - if (bs->file != file) { - bdrv_delete(file); - file = NULL; - } - - /* If there is a backing file, use it */ - if ((flags & BDRV_O_NO_BACKING) == 0) { - QDict *backing_options; - - extract_subqdict(options, &backing_options, "backing."); - ret = bdrv_open_backing_file(bs, backing_options); - if (ret < 0) { - goto close_and_fail; - } - } - - /* Check if any unknown options were used */ - if (qdict_size(options) != 0) { - const QDictEntry *entry = qdict_first(options); - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Block format '%s' used by " - "device '%s' doesn't support the option '%s'", - drv->format_name, bs->device_name, entry->key); - - ret = -EINVAL; - goto close_and_fail; - } - QDECREF(options); - - if (!bdrv_key_required(bs)) { - bdrv_dev_change_media_cb(bs, true); - } - - /* throttling disk I/O limits */ - if (bs->io_limits_enabled) { - bdrv_io_limits_enable(bs); - } - - return 0; - -unlink_and_fail: - if (file != NULL) { - bdrv_delete(file); - } - if (bs->is_temporary) { - unlink(filename); - } -fail: - QDECREF(bs->options); - QDECREF(options); - bs->options = NULL; - return ret; - -close_and_fail: - bdrv_close(bs); - QDECREF(options); - return ret; -} - -typedef struct BlockReopenQueueEntry { - bool prepared; - BDRVReopenState state; - QSIMPLEQ_ENTRY(BlockReopenQueueEntry) entry; -} BlockReopenQueueEntry; - -/* - * Adds a BlockDriverState to a simple queue for an atomic, transactional - * reopen of multiple devices. - * - * bs_queue can either be an existing BlockReopenQueue that has had QSIMPLE_INIT - * already performed, or alternatively may be NULL a new BlockReopenQueue will - * be created and initialized. This newly created BlockReopenQueue should be - * passed back in for subsequent calls that are intended to be of the same - * atomic 'set'. - * - * bs is the BlockDriverState to add to the reopen queue. - * - * flags contains the open flags for the associated bs - * - * returns a pointer to bs_queue, which is either the newly allocated - * bs_queue, or the existing bs_queue being used. - * - */ -BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, - BlockDriverState *bs, int flags) -{ - assert(bs != NULL); - - BlockReopenQueueEntry *bs_entry; - if (bs_queue == NULL) { - bs_queue = g_new0(BlockReopenQueue, 1); - QSIMPLEQ_INIT(bs_queue); - } - - if (bs->file) { - bdrv_reopen_queue(bs_queue, bs->file, flags); - } - - bs_entry = g_new0(BlockReopenQueueEntry, 1); - QSIMPLEQ_INSERT_TAIL(bs_queue, bs_entry, entry); - - bs_entry->state.bs = bs; - bs_entry->state.flags = flags; - - return bs_queue; -} - -/* - * Reopen multiple BlockDriverStates atomically & transactionally. - * - * The queue passed in (bs_queue) must have been built up previous - * via bdrv_reopen_queue(). - * - * Reopens all BDS specified in the queue, with the appropriate - * flags. All devices are prepared for reopen, and failure of any - * device will cause all device changes to be abandonded, and intermediate - * data cleaned up. - * - * If all devices prepare successfully, then the changes are committed - * to all devices. - * - */ -int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp) -{ - int ret = -1; - BlockReopenQueueEntry *bs_entry, *next; - Error *local_err = NULL; - - assert(bs_queue != NULL); - - bdrv_drain_all(); - - QSIMPLEQ_FOREACH(bs_entry, bs_queue, entry) { - if (bdrv_reopen_prepare(&bs_entry->state, bs_queue, &local_err)) { - error_propagate(errp, local_err); - goto cleanup; - } - bs_entry->prepared = true; - } - - /* If we reach this point, we have success and just need to apply the - * changes - */ - QSIMPLEQ_FOREACH(bs_entry, bs_queue, entry) { - bdrv_reopen_commit(&bs_entry->state); - } - - ret = 0; - -cleanup: - QSIMPLEQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) { - if (ret && bs_entry->prepared) { - bdrv_reopen_abort(&bs_entry->state); - } - g_free(bs_entry); - } - g_free(bs_queue); - return ret; -} - - -/* Reopen a single BlockDriverState with the specified flags. */ -int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp) -{ - int ret = -1; - Error *local_err = NULL; - BlockReopenQueue *queue = bdrv_reopen_queue(NULL, bs, bdrv_flags); - - ret = bdrv_reopen_multiple(queue, &local_err); - if (local_err != NULL) { - error_propagate(errp, local_err); - } - return ret; -} - - -/* - * Prepares a BlockDriverState for reopen. All changes are staged in the - * 'opaque' field of the BDRVReopenState, which is used and allocated by - * the block driver layer .bdrv_reopen_prepare() - * - * bs is the BlockDriverState to reopen - * flags are the new open flags - * queue is the reopen queue - * - * Returns 0 on success, non-zero on error. On error errp will be set - * as well. - * - * On failure, bdrv_reopen_abort() will be called to clean up any data. - * It is the responsibility of the caller to then call the abort() or - * commit() for any other BDS that have been left in a prepare() state - * - */ -int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue, - Error **errp) -{ - int ret = -1; - Error *local_err = NULL; - BlockDriver *drv; - - assert(reopen_state != NULL); - assert(reopen_state->bs->drv != NULL); - drv = reopen_state->bs->drv; - - /* if we are to stay read-only, do not allow permission change - * to r/w */ - if (!(reopen_state->bs->open_flags & BDRV_O_ALLOW_RDWR) && - reopen_state->flags & BDRV_O_RDWR) { - error_set(errp, QERR_DEVICE_IS_READ_ONLY, - reopen_state->bs->device_name); - goto error; - } - - - ret = bdrv_flush(reopen_state->bs); - if (ret) { - error_set(errp, ERROR_CLASS_GENERIC_ERROR, "Error (%s) flushing drive", - strerror(-ret)); - goto error; - } - - if (drv->bdrv_reopen_prepare) { - ret = drv->bdrv_reopen_prepare(reopen_state, queue, &local_err); - if (ret) { - if (local_err != NULL) { - error_propagate(errp, local_err); - } else { - error_setg(errp, "failed while preparing to reopen image '%s'", - reopen_state->bs->filename); - } - goto error; - } - } else { - /* It is currently mandatory to have a bdrv_reopen_prepare() - * handler for each supported drv. */ - error_set(errp, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - drv->format_name, reopen_state->bs->device_name, - "reopening of file"); - ret = -1; - goto error; - } - - ret = 0; - -error: - return ret; -} - -/* - * Takes the staged changes for the reopen from bdrv_reopen_prepare(), and - * makes them final by swapping the staging BlockDriverState contents into - * the active BlockDriverState contents. - */ -void bdrv_reopen_commit(BDRVReopenState *reopen_state) -{ - BlockDriver *drv; - - assert(reopen_state != NULL); - drv = reopen_state->bs->drv; - assert(drv != NULL); - - /* If there are any driver level actions to take */ - if (drv->bdrv_reopen_commit) { - drv->bdrv_reopen_commit(reopen_state); - } - - /* set BDS specific flags now */ - reopen_state->bs->open_flags = reopen_state->flags; - reopen_state->bs->enable_write_cache = !!(reopen_state->flags & - BDRV_O_CACHE_WB); - reopen_state->bs->read_only = !(reopen_state->flags & BDRV_O_RDWR); -} - -/* - * Abort the reopen, and delete and free the staged changes in - * reopen_state - */ -void bdrv_reopen_abort(BDRVReopenState *reopen_state) -{ - BlockDriver *drv; - - assert(reopen_state != NULL); - drv = reopen_state->bs->drv; - assert(drv != NULL); - - if (drv->bdrv_reopen_abort) { - drv->bdrv_reopen_abort(reopen_state); - } -} - - -void bdrv_close(BlockDriverState *bs) -{ - if (bs->job) { - block_job_cancel_sync(bs->job); - } - bdrv_drain_all(); /* complete I/O */ - bdrv_flush(bs); - bdrv_drain_all(); /* in case flush left pending I/O */ - notifier_list_notify(&bs->close_notifiers, bs); - - if (bs->drv) { - if (bs->backing_hd) { - bdrv_delete(bs->backing_hd); - bs->backing_hd = NULL; - } - bs->drv->bdrv_close(bs); - g_free(bs->opaque); -#ifdef _WIN32 - if (bs->is_temporary) { - unlink(bs->filename); - } -#endif - bs->opaque = NULL; - bs->drv = NULL; - bs->copy_on_read = 0; - bs->backing_file[0] = '\0'; - bs->backing_format[0] = '\0'; - bs->total_sectors = 0; - bs->encrypted = 0; - bs->valid_key = 0; - bs->sg = 0; - bs->growable = 0; - QDECREF(bs->options); - bs->options = NULL; - - if (bs->file != NULL) { - bdrv_delete(bs->file); - bs->file = NULL; - } - } - - bdrv_dev_change_media_cb(bs, false); - - /*throttling disk I/O limits*/ - if (bs->io_limits_enabled) { - bdrv_io_limits_disable(bs); - } -} - -void bdrv_close_all(void) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - bdrv_close(bs); - } -} - -/* - * Wait for pending requests to complete across all BlockDriverStates - * - * This function does not flush data to disk, use bdrv_flush_all() for that - * after calling this function. - * - * Note that completion of an asynchronous I/O operation can trigger any - * number of other I/O operations on other devices---for example a coroutine - * can be arbitrarily complex and a constant flow of I/O can come until the - * coroutine is complete. Because of this, it is not possible to have a - * function to drain a single device's I/O queue. - */ -void bdrv_drain_all(void) -{ - BlockDriverState *bs; - bool busy; - - do { - busy = qemu_aio_wait(); - - /* FIXME: We do not have timer support here, so this is effectively - * a busy wait. - */ - QTAILQ_FOREACH(bs, &bdrv_states, list) { - if (!qemu_co_queue_empty(&bs->throttled_reqs)) { - qemu_co_queue_restart_all(&bs->throttled_reqs); - busy = true; - } - } - } while (busy); - - /* If requests are still pending there is a bug somewhere */ - QTAILQ_FOREACH(bs, &bdrv_states, list) { - assert(QLIST_EMPTY(&bs->tracked_requests)); - assert(qemu_co_queue_empty(&bs->throttled_reqs)); - } -} - -/* make a BlockDriverState anonymous by removing from bdrv_state list. - Also, NULL terminate the device_name to prevent double remove */ -void bdrv_make_anon(BlockDriverState *bs) -{ - if (bs->device_name[0] != '\0') { - QTAILQ_REMOVE(&bdrv_states, bs, list); - } - bs->device_name[0] = '\0'; -} - -static void bdrv_rebind(BlockDriverState *bs) -{ - if (bs->drv && bs->drv->bdrv_rebind) { - bs->drv->bdrv_rebind(bs); - } -} - -static void bdrv_move_feature_fields(BlockDriverState *bs_dest, - BlockDriverState *bs_src) -{ - /* move some fields that need to stay attached to the device */ - bs_dest->open_flags = bs_src->open_flags; - - /* dev info */ - bs_dest->dev_ops = bs_src->dev_ops; - bs_dest->dev_opaque = bs_src->dev_opaque; - bs_dest->dev = bs_src->dev; - bs_dest->buffer_alignment = bs_src->buffer_alignment; - bs_dest->copy_on_read = bs_src->copy_on_read; - - bs_dest->enable_write_cache = bs_src->enable_write_cache; - - /* i/o timing parameters */ - bs_dest->slice_start = bs_src->slice_start; - bs_dest->slice_end = bs_src->slice_end; - bs_dest->slice_submitted = bs_src->slice_submitted; - bs_dest->io_limits = bs_src->io_limits; - bs_dest->throttled_reqs = bs_src->throttled_reqs; - bs_dest->block_timer = bs_src->block_timer; - bs_dest->io_limits_enabled = bs_src->io_limits_enabled; - - /* r/w error */ - bs_dest->on_read_error = bs_src->on_read_error; - bs_dest->on_write_error = bs_src->on_write_error; - - /* i/o status */ - bs_dest->iostatus_enabled = bs_src->iostatus_enabled; - bs_dest->iostatus = bs_src->iostatus; - - /* dirty bitmap */ - bs_dest->dirty_bitmap = bs_src->dirty_bitmap; - - /* job */ - bs_dest->in_use = bs_src->in_use; - bs_dest->job = bs_src->job; - - /* keep the same entry in bdrv_states */ - pstrcpy(bs_dest->device_name, sizeof(bs_dest->device_name), - bs_src->device_name); - bs_dest->list = bs_src->list; -} - -/* - * Swap bs contents for two image chains while they are live, - * while keeping required fields on the BlockDriverState that is - * actually attached to a device. - * - * This will modify the BlockDriverState fields, and swap contents - * between bs_new and bs_old. Both bs_new and bs_old are modified. - * - * bs_new is required to be anonymous. - * - * This function does not create any image files. - */ -void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old) -{ - BlockDriverState tmp; - - /* bs_new must be anonymous and shouldn't have anything fancy enabled */ - assert(bs_new->device_name[0] == '\0'); - assert(bs_new->dirty_bitmap == NULL); - assert(bs_new->job == NULL); - assert(bs_new->dev == NULL); - assert(bs_new->in_use == 0); - assert(bs_new->io_limits_enabled == false); - assert(bs_new->block_timer == NULL); - - tmp = *bs_new; - *bs_new = *bs_old; - *bs_old = tmp; - - /* there are some fields that should not be swapped, move them back */ - bdrv_move_feature_fields(&tmp, bs_old); - bdrv_move_feature_fields(bs_old, bs_new); - bdrv_move_feature_fields(bs_new, &tmp); - - /* bs_new shouldn't be in bdrv_states even after the swap! */ - assert(bs_new->device_name[0] == '\0'); - - /* Check a few fields that should remain attached to the device */ - assert(bs_new->dev == NULL); - assert(bs_new->job == NULL); - assert(bs_new->in_use == 0); - assert(bs_new->io_limits_enabled == false); - assert(bs_new->block_timer == NULL); - - bdrv_rebind(bs_new); - bdrv_rebind(bs_old); -} - -/* - * Add new bs contents at the top of an image chain while the chain is - * live, while keeping required fields on the top layer. - * - * This will modify the BlockDriverState fields, and swap contents - * between bs_new and bs_top. Both bs_new and bs_top are modified. - * - * bs_new is required to be anonymous. - * - * This function does not create any image files. - */ -void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top) -{ - bdrv_swap(bs_new, bs_top); - - /* The contents of 'tmp' will become bs_top, as we are - * swapping bs_new and bs_top contents. */ - bs_top->backing_hd = bs_new; - bs_top->open_flags &= ~BDRV_O_NO_BACKING; - pstrcpy(bs_top->backing_file, sizeof(bs_top->backing_file), - bs_new->filename); - pstrcpy(bs_top->backing_format, sizeof(bs_top->backing_format), - bs_new->drv ? bs_new->drv->format_name : ""); -} - -void bdrv_delete(BlockDriverState *bs) -{ - assert(!bs->dev); - assert(!bs->job); - assert(!bs->in_use); - - /* remove from list, if necessary */ - bdrv_make_anon(bs); - - bdrv_close(bs); - - g_free(bs); -} - -int bdrv_attach_dev(BlockDriverState *bs, void *dev) -/* TODO change to DeviceState *dev when all users are qdevified */ -{ - if (bs->dev) { - return -EBUSY; - } - bs->dev = dev; - bdrv_iostatus_reset(bs); - return 0; -} - -/* TODO qdevified devices don't use this, remove when devices are qdevified */ -void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev) -{ - if (bdrv_attach_dev(bs, dev) < 0) { - abort(); - } -} - -void bdrv_detach_dev(BlockDriverState *bs, void *dev) -/* TODO change to DeviceState *dev when all users are qdevified */ -{ - assert(bs->dev == dev); - bs->dev = NULL; - bs->dev_ops = NULL; - bs->dev_opaque = NULL; - bs->buffer_alignment = 512; -} - -/* TODO change to return DeviceState * when all users are qdevified */ -void *bdrv_get_attached_dev(BlockDriverState *bs) -{ - return bs->dev; -} - -void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, - void *opaque) -{ - bs->dev_ops = ops; - bs->dev_opaque = opaque; -} - -void bdrv_emit_qmp_error_event(const BlockDriverState *bdrv, - enum MonitorEvent ev, - BlockErrorAction action, bool is_read) -{ - QObject *data; - const char *action_str; - - switch (action) { - case BDRV_ACTION_REPORT: - action_str = "report"; - break; - case BDRV_ACTION_IGNORE: - action_str = "ignore"; - break; - case BDRV_ACTION_STOP: - action_str = "stop"; - break; - default: - abort(); - } - - data = qobject_from_jsonf("{ 'device': %s, 'action': %s, 'operation': %s }", - bdrv->device_name, - action_str, - is_read ? "read" : "write"); - monitor_protocol_event(ev, data); - - qobject_decref(data); -} - -static void bdrv_emit_qmp_eject_event(BlockDriverState *bs, bool ejected) -{ - QObject *data; - - data = qobject_from_jsonf("{ 'device': %s, 'tray-open': %i }", - bdrv_get_device_name(bs), ejected); - monitor_protocol_event(QEVENT_DEVICE_TRAY_MOVED, data); - - qobject_decref(data); -} - -static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load) -{ - if (bs->dev_ops && bs->dev_ops->change_media_cb) { - bool tray_was_closed = !bdrv_dev_is_tray_open(bs); - bs->dev_ops->change_media_cb(bs->dev_opaque, load); - if (tray_was_closed) { - /* tray open */ - bdrv_emit_qmp_eject_event(bs, true); - } - if (load) { - /* tray close */ - bdrv_emit_qmp_eject_event(bs, false); - } - } -} - -bool bdrv_dev_has_removable_media(BlockDriverState *bs) -{ - return !bs->dev || (bs->dev_ops && bs->dev_ops->change_media_cb); -} - -void bdrv_dev_eject_request(BlockDriverState *bs, bool force) -{ - if (bs->dev_ops && bs->dev_ops->eject_request_cb) { - bs->dev_ops->eject_request_cb(bs->dev_opaque, force); - } -} - -bool bdrv_dev_is_tray_open(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->is_tray_open) { - return bs->dev_ops->is_tray_open(bs->dev_opaque); - } - return false; -} - -static void bdrv_dev_resize_cb(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->resize_cb) { - bs->dev_ops->resize_cb(bs->dev_opaque); - } -} - -bool bdrv_dev_is_medium_locked(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->is_medium_locked) { - return bs->dev_ops->is_medium_locked(bs->dev_opaque); - } - return false; -} - -/* - * Run consistency checks on an image - * - * Returns 0 if the check could be completed (it doesn't mean that the image is - * free of errors) or -errno when an internal error occurred. The results of the - * check are stored in res. - */ -int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix) -{ - if (bs->drv->bdrv_check == NULL) { - return -ENOTSUP; - } - - memset(res, 0, sizeof(*res)); - return bs->drv->bdrv_check(bs, res, fix); -} - -#define COMMIT_BUF_SECTORS 2048 - -/* commit COW file into the raw image */ -int bdrv_commit(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - int64_t sector, total_sectors; - int n, ro, open_flags; - int ret = 0; - uint8_t *buf; - char filename[PATH_MAX]; - - if (!drv) - return -ENOMEDIUM; - - if (!bs->backing_hd) { - return -ENOTSUP; - } - - if (bdrv_in_use(bs) || bdrv_in_use(bs->backing_hd)) { - return -EBUSY; - } - - ro = bs->backing_hd->read_only; - /* Use pstrcpy (not strncpy): filename must be NUL-terminated. */ - pstrcpy(filename, sizeof(filename), bs->backing_hd->filename); - open_flags = bs->backing_hd->open_flags; - - if (ro) { - if (bdrv_reopen(bs->backing_hd, open_flags | BDRV_O_RDWR, NULL)) { - return -EACCES; - } - } - - total_sectors = bdrv_getlength(bs) >> BDRV_SECTOR_BITS; - buf = g_malloc(COMMIT_BUF_SECTORS * BDRV_SECTOR_SIZE); - - for (sector = 0; sector < total_sectors; sector += n) { - if (bdrv_is_allocated(bs, sector, COMMIT_BUF_SECTORS, &n)) { - - if (bdrv_read(bs, sector, buf, n) != 0) { - ret = -EIO; - goto ro_cleanup; - } - - if (bdrv_write(bs->backing_hd, sector, buf, n) != 0) { - ret = -EIO; - goto ro_cleanup; - } - } - } - - if (drv->bdrv_make_empty) { - ret = drv->bdrv_make_empty(bs); - bdrv_flush(bs); - } - - /* - * Make sure all data we wrote to the backing device is actually - * stable on disk. - */ - if (bs->backing_hd) - bdrv_flush(bs->backing_hd); - -ro_cleanup: - g_free(buf); - - if (ro) { - /* ignoring error return here */ - bdrv_reopen(bs->backing_hd, open_flags & ~BDRV_O_RDWR, NULL); - } - - return ret; -} - -int bdrv_commit_all(void) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - if (bs->drv && bs->backing_hd) { - int ret = bdrv_commit(bs); - if (ret < 0) { - return ret; - } - } - } - return 0; -} - -/** - * Remove an active request from the tracked requests list - * - * This function should be called when a tracked request is completing. - */ -static void tracked_request_end(BdrvTrackedRequest *req) -{ - QLIST_REMOVE(req, list); - qemu_co_queue_restart_all(&req->wait_queue); -} - -/** - * Add an active request to the tracked requests list - */ -static void tracked_request_begin(BdrvTrackedRequest *req, - BlockDriverState *bs, - int64_t sector_num, - int nb_sectors, bool is_write) -{ - *req = (BdrvTrackedRequest){ - .bs = bs, - .sector_num = sector_num, - .nb_sectors = nb_sectors, - .is_write = is_write, - .co = qemu_coroutine_self(), - }; - - qemu_co_queue_init(&req->wait_queue); - - QLIST_INSERT_HEAD(&bs->tracked_requests, req, list); -} - -/** - * Round a region to cluster boundaries - */ -void bdrv_round_to_clusters(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - int64_t *cluster_sector_num, - int *cluster_nb_sectors) -{ - BlockDriverInfo bdi; - - if (bdrv_get_info(bs, &bdi) < 0 || bdi.cluster_size == 0) { - *cluster_sector_num = sector_num; - *cluster_nb_sectors = nb_sectors; - } else { - int64_t c = bdi.cluster_size / BDRV_SECTOR_SIZE; - *cluster_sector_num = QEMU_ALIGN_DOWN(sector_num, c); - *cluster_nb_sectors = QEMU_ALIGN_UP(sector_num - *cluster_sector_num + - nb_sectors, c); - } -} - -static bool tracked_request_overlaps(BdrvTrackedRequest *req, - int64_t sector_num, int nb_sectors) { - /* aaaa bbbb */ - if (sector_num >= req->sector_num + req->nb_sectors) { - return false; - } - /* bbbb aaaa */ - if (req->sector_num >= sector_num + nb_sectors) { - return false; - } - return true; -} - -static void coroutine_fn wait_for_overlapping_requests(BlockDriverState *bs, - int64_t sector_num, int nb_sectors) -{ - BdrvTrackedRequest *req; - int64_t cluster_sector_num; - int cluster_nb_sectors; - bool retry; - - /* If we touch the same cluster it counts as an overlap. This guarantees - * that allocating writes will be serialized and not race with each other - * for the same cluster. For example, in copy-on-read it ensures that the - * CoR read and write operations are atomic and guest writes cannot - * interleave between them. - */ - bdrv_round_to_clusters(bs, sector_num, nb_sectors, - &cluster_sector_num, &cluster_nb_sectors); - - do { - retry = false; - QLIST_FOREACH(req, &bs->tracked_requests, list) { - if (tracked_request_overlaps(req, cluster_sector_num, - cluster_nb_sectors)) { - /* Hitting this means there was a reentrant request, for - * example, a block driver issuing nested requests. This must - * never happen since it means deadlock. - */ - assert(qemu_coroutine_self() != req->co); - - qemu_co_queue_wait(&req->wait_queue); - retry = true; - break; - } - } - } while (retry); -} - -/* - * Return values: - * 0 - success - * -EINVAL - backing format specified, but no file - * -ENOSPC - can't update the backing file because no space is left in the - * image file header - * -ENOTSUP - format driver doesn't support changing the backing file - */ -int bdrv_change_backing_file(BlockDriverState *bs, - const char *backing_file, const char *backing_fmt) -{ - BlockDriver *drv = bs->drv; - int ret; - - /* Backing file format doesn't make sense without a backing file */ - if (backing_fmt && !backing_file) { - return -EINVAL; - } - - if (drv->bdrv_change_backing_file != NULL) { - ret = drv->bdrv_change_backing_file(bs, backing_file, backing_fmt); - } else { - ret = -ENOTSUP; - } - - if (ret == 0) { - pstrcpy(bs->backing_file, sizeof(bs->backing_file), backing_file ?: ""); - pstrcpy(bs->backing_format, sizeof(bs->backing_format), backing_fmt ?: ""); - } - return ret; -} - -/* - * Finds the image layer in the chain that has 'bs' as its backing file. - * - * active is the current topmost image. - * - * Returns NULL if bs is not found in active's image chain, - * or if active == bs. - */ -BlockDriverState *bdrv_find_overlay(BlockDriverState *active, - BlockDriverState *bs) -{ - BlockDriverState *overlay = NULL; - BlockDriverState *intermediate; - - assert(active != NULL); - assert(bs != NULL); - - /* if bs is the same as active, then by definition it has no overlay - */ - if (active == bs) { - return NULL; - } - - intermediate = active; - while (intermediate->backing_hd) { - if (intermediate->backing_hd == bs) { - overlay = intermediate; - break; - } - intermediate = intermediate->backing_hd; - } - - return overlay; -} - -typedef struct BlkIntermediateStates { - BlockDriverState *bs; - QSIMPLEQ_ENTRY(BlkIntermediateStates) entry; -} BlkIntermediateStates; - - -/* - * Drops images above 'base' up to and including 'top', and sets the image - * above 'top' to have base as its backing file. - * - * Requires that the overlay to 'top' is opened r/w, so that the backing file - * information in 'bs' can be properly updated. - * - * E.g., this will convert the following chain: - * bottom <- base <- intermediate <- top <- active - * - * to - * - * bottom <- base <- active - * - * It is allowed for bottom==base, in which case it converts: - * - * base <- intermediate <- top <- active - * - * to - * - * base <- active - * - * Error conditions: - * if active == top, that is considered an error - * - */ -int bdrv_drop_intermediate(BlockDriverState *active, BlockDriverState *top, - BlockDriverState *base) -{ - BlockDriverState *intermediate; - BlockDriverState *base_bs = NULL; - BlockDriverState *new_top_bs = NULL; - BlkIntermediateStates *intermediate_state, *next; - int ret = -EIO; - - QSIMPLEQ_HEAD(states_to_delete, BlkIntermediateStates) states_to_delete; - QSIMPLEQ_INIT(&states_to_delete); - - if (!top->drv || !base->drv) { - goto exit; - } - - new_top_bs = bdrv_find_overlay(active, top); - - if (new_top_bs == NULL) { - /* we could not find the image above 'top', this is an error */ - goto exit; - } - - /* special case of new_top_bs->backing_hd already pointing to base - nothing - * to do, no intermediate images */ - if (new_top_bs->backing_hd == base) { - ret = 0; - goto exit; - } - - intermediate = top; - - /* now we will go down through the list, and add each BDS we find - * into our deletion queue, until we hit the 'base' - */ - while (intermediate) { - intermediate_state = g_malloc0(sizeof(BlkIntermediateStates)); - intermediate_state->bs = intermediate; - QSIMPLEQ_INSERT_TAIL(&states_to_delete, intermediate_state, entry); - - if (intermediate->backing_hd == base) { - base_bs = intermediate->backing_hd; - break; - } - intermediate = intermediate->backing_hd; - } - if (base_bs == NULL) { - /* something went wrong, we did not end at the base. safely - * unravel everything, and exit with error */ - goto exit; - } - - /* success - we can delete the intermediate states, and link top->base */ - ret = bdrv_change_backing_file(new_top_bs, base_bs->filename, - base_bs->drv ? base_bs->drv->format_name : ""); - if (ret) { - goto exit; - } - new_top_bs->backing_hd = base_bs; - - - QSIMPLEQ_FOREACH_SAFE(intermediate_state, &states_to_delete, entry, next) { - /* so that bdrv_close() does not recursively close the chain */ - intermediate_state->bs->backing_hd = NULL; - bdrv_delete(intermediate_state->bs); - } - ret = 0; - -exit: - QSIMPLEQ_FOREACH_SAFE(intermediate_state, &states_to_delete, entry, next) { - g_free(intermediate_state); - } - return ret; -} - - -static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset, - size_t size) -{ - int64_t len; - - if (!bdrv_is_inserted(bs)) - return -ENOMEDIUM; - - if (bs->growable) - return 0; - - len = bdrv_getlength(bs); - - if (offset < 0) - return -EIO; - - if ((offset > len) || (len - offset < size)) - return -EIO; - - return 0; -} - -static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num, - int nb_sectors) -{ - return bdrv_check_byte_request(bs, sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE); -} - -typedef struct RwCo { - BlockDriverState *bs; - int64_t sector_num; - int nb_sectors; - QEMUIOVector *qiov; - bool is_write; - int ret; -} RwCo; - -static void coroutine_fn bdrv_rw_co_entry(void *opaque) -{ - RwCo *rwco = opaque; - - if (!rwco->is_write) { - rwco->ret = bdrv_co_do_readv(rwco->bs, rwco->sector_num, - rwco->nb_sectors, rwco->qiov, 0); - } else { - rwco->ret = bdrv_co_do_writev(rwco->bs, rwco->sector_num, - rwco->nb_sectors, rwco->qiov, 0); - } -} - -/* - * Process a vectored synchronous request using coroutines - */ -static int bdrv_rwv_co(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, bool is_write) -{ - Coroutine *co; - RwCo rwco = { - .bs = bs, - .sector_num = sector_num, - .nb_sectors = qiov->size >> BDRV_SECTOR_BITS, - .qiov = qiov, - .is_write = is_write, - .ret = NOT_DONE, - }; - assert((qiov->size & (BDRV_SECTOR_SIZE - 1)) == 0); - - /** - * In sync call context, when the vcpu is blocked, this throttling timer - * will not fire; so the I/O throttling function has to be disabled here - * if it has been enabled. - */ - if (bs->io_limits_enabled) { - fprintf(stderr, "Disabling I/O throttling on '%s' due " - "to synchronous I/O.\n", bdrv_get_device_name(bs)); - bdrv_io_limits_disable(bs); - } - - if (qemu_in_coroutine()) { - /* Fast-path if already in coroutine context */ - bdrv_rw_co_entry(&rwco); - } else { - co = qemu_coroutine_create(bdrv_rw_co_entry); - qemu_coroutine_enter(co, &rwco); - while (rwco.ret == NOT_DONE) { - qemu_aio_wait(); - } - } - return rwco.ret; -} - -/* - * Process a synchronous request using coroutines - */ -static int bdrv_rw_co(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, - int nb_sectors, bool is_write) -{ - QEMUIOVector qiov; - struct iovec iov = { - .iov_base = (void *)buf, - .iov_len = nb_sectors * BDRV_SECTOR_SIZE, - }; - - qemu_iovec_init_external(&qiov, &iov, 1); - return bdrv_rwv_co(bs, sector_num, &qiov, is_write); -} - -/* return < 0 if error. See bdrv_write() for the return codes */ -int bdrv_read(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors) -{ - return bdrv_rw_co(bs, sector_num, buf, nb_sectors, false); -} - -/* Just like bdrv_read(), but with I/O throttling temporarily disabled */ -int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors) -{ - bool enabled; - int ret; - - enabled = bs->io_limits_enabled; - bs->io_limits_enabled = false; - ret = bdrv_read(bs, 0, buf, 1); - bs->io_limits_enabled = enabled; - return ret; -} - -/* Return < 0 if error. Important errors are: - -EIO generic I/O error (may happen for all errors) - -ENOMEDIUM No media inserted. - -EINVAL Invalid sector number or nb_sectors - -EACCES Trying to write a read-only device -*/ -int bdrv_write(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors) -{ - return bdrv_rw_co(bs, sector_num, (uint8_t *)buf, nb_sectors, true); -} - -int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov) -{ - return bdrv_rwv_co(bs, sector_num, qiov, true); -} - -int bdrv_pread(BlockDriverState *bs, int64_t offset, - void *buf, int count1) -{ - uint8_t tmp_buf[BDRV_SECTOR_SIZE]; - int len, nb_sectors, count; - int64_t sector_num; - int ret; - - count = count1; - /* first read to align to sector start */ - len = (BDRV_SECTOR_SIZE - offset) & (BDRV_SECTOR_SIZE - 1); - if (len > count) - len = count; - sector_num = offset >> BDRV_SECTOR_BITS; - if (len > 0) { - if ((ret = bdrv_read(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - memcpy(buf, tmp_buf + (offset & (BDRV_SECTOR_SIZE - 1)), len); - count -= len; - if (count == 0) - return count1; - sector_num++; - buf += len; - } - - /* read the sectors "in place" */ - nb_sectors = count >> BDRV_SECTOR_BITS; - if (nb_sectors > 0) { - if ((ret = bdrv_read(bs, sector_num, buf, nb_sectors)) < 0) - return ret; - sector_num += nb_sectors; - len = nb_sectors << BDRV_SECTOR_BITS; - buf += len; - count -= len; - } - - /* add data from the last sector */ - if (count > 0) { - if ((ret = bdrv_read(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - memcpy(buf, tmp_buf, count); - } - return count1; -} - -int bdrv_pwritev(BlockDriverState *bs, int64_t offset, QEMUIOVector *qiov) -{ - uint8_t tmp_buf[BDRV_SECTOR_SIZE]; - int len, nb_sectors, count; - int64_t sector_num; - int ret; - - count = qiov->size; - - /* first write to align to sector start */ - len = (BDRV_SECTOR_SIZE - offset) & (BDRV_SECTOR_SIZE - 1); - if (len > count) - len = count; - sector_num = offset >> BDRV_SECTOR_BITS; - if (len > 0) { - if ((ret = bdrv_read(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - qemu_iovec_to_buf(qiov, 0, tmp_buf + (offset & (BDRV_SECTOR_SIZE - 1)), - len); - if ((ret = bdrv_write(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - count -= len; - if (count == 0) - return qiov->size; - sector_num++; - } - - /* write the sectors "in place" */ - nb_sectors = count >> BDRV_SECTOR_BITS; - if (nb_sectors > 0) { - QEMUIOVector qiov_inplace; - - qemu_iovec_init(&qiov_inplace, qiov->niov); - qemu_iovec_concat(&qiov_inplace, qiov, len, - nb_sectors << BDRV_SECTOR_BITS); - ret = bdrv_writev(bs, sector_num, &qiov_inplace); - qemu_iovec_destroy(&qiov_inplace); - if (ret < 0) { - return ret; - } - - sector_num += nb_sectors; - len = nb_sectors << BDRV_SECTOR_BITS; - count -= len; - } - - /* add data from the last sector */ - if (count > 0) { - if ((ret = bdrv_read(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - qemu_iovec_to_buf(qiov, qiov->size - count, tmp_buf, count); - if ((ret = bdrv_write(bs, sector_num, tmp_buf, 1)) < 0) - return ret; - } - return qiov->size; -} - -int bdrv_pwrite(BlockDriverState *bs, int64_t offset, - const void *buf, int count1) -{ - QEMUIOVector qiov; - struct iovec iov = { - .iov_base = (void *) buf, - .iov_len = count1, - }; - - qemu_iovec_init_external(&qiov, &iov, 1); - return bdrv_pwritev(bs, offset, &qiov); -} - -/* - * Writes to the file and ensures that no writes are reordered across this - * request (acts as a barrier) - * - * Returns 0 on success, -errno in error cases. - */ -int bdrv_pwrite_sync(BlockDriverState *bs, int64_t offset, - const void *buf, int count) -{ - int ret; - - ret = bdrv_pwrite(bs, offset, buf, count); - if (ret < 0) { - return ret; - } - - /* No flush needed for cache modes that already do it */ - if (bs->enable_write_cache) { - bdrv_flush(bs); - } - - return 0; -} - -static int coroutine_fn bdrv_co_do_copy_on_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov) -{ - /* Perform I/O through a temporary buffer so that users who scribble over - * their read buffer while the operation is in progress do not end up - * modifying the image file. This is critical for zero-copy guest I/O - * where anything might happen inside guest memory. - */ - void *bounce_buffer; - - BlockDriver *drv = bs->drv; - struct iovec iov; - QEMUIOVector bounce_qiov; - int64_t cluster_sector_num; - int cluster_nb_sectors; - size_t skip_bytes; - int ret; - - /* Cover entire cluster so no additional backing file I/O is required when - * allocating cluster in the image file. - */ - bdrv_round_to_clusters(bs, sector_num, nb_sectors, - &cluster_sector_num, &cluster_nb_sectors); - - trace_bdrv_co_do_copy_on_readv(bs, sector_num, nb_sectors, - cluster_sector_num, cluster_nb_sectors); - - iov.iov_len = cluster_nb_sectors * BDRV_SECTOR_SIZE; - iov.iov_base = bounce_buffer = qemu_blockalign(bs, iov.iov_len); - qemu_iovec_init_external(&bounce_qiov, &iov, 1); - - ret = drv->bdrv_co_readv(bs, cluster_sector_num, cluster_nb_sectors, - &bounce_qiov); - if (ret < 0) { - goto err; - } - - if (drv->bdrv_co_write_zeroes && - buffer_is_zero(bounce_buffer, iov.iov_len)) { - ret = bdrv_co_do_write_zeroes(bs, cluster_sector_num, - cluster_nb_sectors); - } else { - /* This does not change the data on the disk, it is not necessary - * to flush even in cache=writethrough mode. - */ - ret = drv->bdrv_co_writev(bs, cluster_sector_num, cluster_nb_sectors, - &bounce_qiov); - } - - if (ret < 0) { - /* It might be okay to ignore write errors for guest requests. If this - * is a deliberate copy-on-read then we don't want to ignore the error. - * Simply report it in all cases. - */ - goto err; - } - - skip_bytes = (sector_num - cluster_sector_num) * BDRV_SECTOR_SIZE; - qemu_iovec_from_buf(qiov, 0, bounce_buffer + skip_bytes, - nb_sectors * BDRV_SECTOR_SIZE); - -err: - qemu_vfree(bounce_buffer); - return ret; -} - -/* - * Handle a read request in coroutine context - */ -static int coroutine_fn bdrv_co_do_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, - BdrvRequestFlags flags) -{ - BlockDriver *drv = bs->drv; - BdrvTrackedRequest req; - int ret; - - if (!drv) { - return -ENOMEDIUM; - } - if (bdrv_check_request(bs, sector_num, nb_sectors)) { - return -EIO; - } - - /* throttling disk read I/O */ - if (bs->io_limits_enabled) { - bdrv_io_limits_intercept(bs, false, nb_sectors); - } - - if (bs->copy_on_read) { - flags |= BDRV_REQ_COPY_ON_READ; - } - if (flags & BDRV_REQ_COPY_ON_READ) { - bs->copy_on_read_in_flight++; - } - - if (bs->copy_on_read_in_flight) { - wait_for_overlapping_requests(bs, sector_num, nb_sectors); - } - - tracked_request_begin(&req, bs, sector_num, nb_sectors, false); - - if (flags & BDRV_REQ_COPY_ON_READ) { - int pnum; - - ret = bdrv_co_is_allocated(bs, sector_num, nb_sectors, &pnum); - if (ret < 0) { - goto out; - } - - if (!ret || pnum != nb_sectors) { - ret = bdrv_co_do_copy_on_readv(bs, sector_num, nb_sectors, qiov); - goto out; - } - } - - ret = drv->bdrv_co_readv(bs, sector_num, nb_sectors, qiov); - -out: - tracked_request_end(&req); - - if (flags & BDRV_REQ_COPY_ON_READ) { - bs->copy_on_read_in_flight--; - } - - return ret; -} - -int coroutine_fn bdrv_co_readv(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov) -{ - trace_bdrv_co_readv(bs, sector_num, nb_sectors); - - return bdrv_co_do_readv(bs, sector_num, nb_sectors, qiov, 0); -} - -int coroutine_fn bdrv_co_copy_on_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov) -{ - trace_bdrv_co_copy_on_readv(bs, sector_num, nb_sectors); - - return bdrv_co_do_readv(bs, sector_num, nb_sectors, qiov, - BDRV_REQ_COPY_ON_READ); -} - -static int coroutine_fn bdrv_co_do_write_zeroes(BlockDriverState *bs, - int64_t sector_num, int nb_sectors) -{ - BlockDriver *drv = bs->drv; - QEMUIOVector qiov; - struct iovec iov; - int ret; - - /* TODO Emulate only part of misaligned requests instead of letting block - * drivers return -ENOTSUP and emulate everything */ - - /* First try the efficient write zeroes operation */ - if (drv->bdrv_co_write_zeroes) { - ret = drv->bdrv_co_write_zeroes(bs, sector_num, nb_sectors); - if (ret != -ENOTSUP) { - return ret; - } - } - - /* Fall back to bounce buffer if write zeroes is unsupported */ - iov.iov_len = nb_sectors * BDRV_SECTOR_SIZE; - iov.iov_base = qemu_blockalign(bs, iov.iov_len); - memset(iov.iov_base, 0, iov.iov_len); - qemu_iovec_init_external(&qiov, &iov, 1); - - ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, &qiov); - - qemu_vfree(iov.iov_base); - return ret; -} - -/* - * Handle a write request in coroutine context - */ -static int coroutine_fn bdrv_co_do_writev(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov, - BdrvRequestFlags flags) -{ - BlockDriver *drv = bs->drv; - BdrvTrackedRequest req; - int ret; - - if (!bs->drv) { - return -ENOMEDIUM; - } - if (bs->read_only) { - return -EACCES; - } - if (bdrv_check_request(bs, sector_num, nb_sectors)) { - return -EIO; - } - - /* throttling disk write I/O */ - if (bs->io_limits_enabled) { - bdrv_io_limits_intercept(bs, true, nb_sectors); - } - - if (bs->copy_on_read_in_flight) { - wait_for_overlapping_requests(bs, sector_num, nb_sectors); - } - - tracked_request_begin(&req, bs, sector_num, nb_sectors, true); - - ret = notifier_with_return_list_notify(&bs->before_write_notifiers, &req); - - if (ret < 0) { - /* Do nothing, write notifier decided to fail this request */ - } else if (flags & BDRV_REQ_ZERO_WRITE) { - ret = bdrv_co_do_write_zeroes(bs, sector_num, nb_sectors); - } else { - ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, qiov); - } - - if (ret == 0 && !bs->enable_write_cache) { - ret = bdrv_co_flush(bs); - } - - if (bs->dirty_bitmap) { - bdrv_set_dirty(bs, sector_num, nb_sectors); - } - - if (bs->wr_highest_sector < sector_num + nb_sectors - 1) { - bs->wr_highest_sector = sector_num + nb_sectors - 1; - } - - tracked_request_end(&req); - - return ret; -} - -int coroutine_fn bdrv_co_writev(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov) -{ - trace_bdrv_co_writev(bs, sector_num, nb_sectors); - - return bdrv_co_do_writev(bs, sector_num, nb_sectors, qiov, 0); -} - -int coroutine_fn bdrv_co_write_zeroes(BlockDriverState *bs, - int64_t sector_num, int nb_sectors) -{ - trace_bdrv_co_write_zeroes(bs, sector_num, nb_sectors); - - return bdrv_co_do_writev(bs, sector_num, nb_sectors, NULL, - BDRV_REQ_ZERO_WRITE); -} - -/** - * Truncate file to 'offset' bytes (needed only for file protocols) - */ -int bdrv_truncate(BlockDriverState *bs, int64_t offset) -{ - BlockDriver *drv = bs->drv; - int ret; - if (!drv) - return -ENOMEDIUM; - if (!drv->bdrv_truncate) - return -ENOTSUP; - if (bs->read_only) - return -EACCES; - if (bdrv_in_use(bs)) - return -EBUSY; - ret = drv->bdrv_truncate(bs, offset); - if (ret == 0) { - ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); - bdrv_dev_resize_cb(bs); - } - return ret; -} - -/** - * Length of a allocated file in bytes. Sparse files are counted by actual - * allocated space. Return < 0 if error or unknown. - */ -int64_t bdrv_get_allocated_file_size(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - if (!drv) { - return -ENOMEDIUM; - } - if (drv->bdrv_get_allocated_file_size) { - return drv->bdrv_get_allocated_file_size(bs); - } - if (bs->file) { - return bdrv_get_allocated_file_size(bs->file); - } - return -ENOTSUP; -} - -/** - * Length of a file in bytes. Return < 0 if error or unknown. - */ -int64_t bdrv_getlength(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - if (!drv) - return -ENOMEDIUM; - - if (bs->growable || bdrv_dev_has_removable_media(bs)) { - if (drv->bdrv_getlength) { - return drv->bdrv_getlength(bs); - } - } - return bs->total_sectors * BDRV_SECTOR_SIZE; -} - -/* return 0 as number of sectors if no device present or error */ -void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr) -{ - int64_t length; - length = bdrv_getlength(bs); - if (length < 0) - length = 0; - else - length = length >> BDRV_SECTOR_BITS; - *nb_sectors_ptr = length; -} - -/* throttling disk io limits */ -void bdrv_set_io_limits(BlockDriverState *bs, - BlockIOLimit *io_limits) -{ - bs->io_limits = *io_limits; - bs->io_limits_enabled = bdrv_io_limits_enabled(bs); -} - -void bdrv_set_on_error(BlockDriverState *bs, BlockdevOnError on_read_error, - BlockdevOnError on_write_error) -{ - bs->on_read_error = on_read_error; - bs->on_write_error = on_write_error; -} - -BlockdevOnError bdrv_get_on_error(BlockDriverState *bs, bool is_read) -{ - return is_read ? bs->on_read_error : bs->on_write_error; -} - -BlockErrorAction bdrv_get_error_action(BlockDriverState *bs, bool is_read, int error) -{ - BlockdevOnError on_err = is_read ? bs->on_read_error : bs->on_write_error; - - switch (on_err) { - case BLOCKDEV_ON_ERROR_ENOSPC: - return (error == ENOSPC) ? BDRV_ACTION_STOP : BDRV_ACTION_REPORT; - case BLOCKDEV_ON_ERROR_STOP: - return BDRV_ACTION_STOP; - case BLOCKDEV_ON_ERROR_REPORT: - return BDRV_ACTION_REPORT; - case BLOCKDEV_ON_ERROR_IGNORE: - return BDRV_ACTION_IGNORE; - default: - abort(); - } -} - -/* This is done by device models because, while the block layer knows - * about the error, it does not know whether an operation comes from - * the device or the block layer (from a job, for example). - */ -void bdrv_error_action(BlockDriverState *bs, BlockErrorAction action, - bool is_read, int error) -{ - assert(error >= 0); - bdrv_emit_qmp_error_event(bs, QEVENT_BLOCK_IO_ERROR, action, is_read); - if (action == BDRV_ACTION_STOP) { - vm_stop(RUN_STATE_IO_ERROR); - bdrv_iostatus_set_err(bs, error); - } -} - -int bdrv_is_read_only(BlockDriverState *bs) -{ - return bs->read_only; -} - -int bdrv_is_sg(BlockDriverState *bs) -{ - return bs->sg; -} - -int bdrv_enable_write_cache(BlockDriverState *bs) -{ - return bs->enable_write_cache; -} - -void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce) -{ - bs->enable_write_cache = wce; - - /* so a reopen() will preserve wce */ - if (wce) { - bs->open_flags |= BDRV_O_CACHE_WB; - } else { - bs->open_flags &= ~BDRV_O_CACHE_WB; - } -} - -int bdrv_is_encrypted(BlockDriverState *bs) -{ - if (bs->backing_hd && bs->backing_hd->encrypted) - return 1; - return bs->encrypted; -} - -int bdrv_key_required(BlockDriverState *bs) -{ - BlockDriverState *backing_hd = bs->backing_hd; - - if (backing_hd && backing_hd->encrypted && !backing_hd->valid_key) - return 1; - return (bs->encrypted && !bs->valid_key); -} - -int bdrv_set_key(BlockDriverState *bs, const char *key) -{ - int ret; - if (bs->backing_hd && bs->backing_hd->encrypted) { - ret = bdrv_set_key(bs->backing_hd, key); - if (ret < 0) - return ret; - if (!bs->encrypted) - return 0; - } - if (!bs->encrypted) { - return -EINVAL; - } else if (!bs->drv || !bs->drv->bdrv_set_key) { - return -ENOMEDIUM; - } - ret = bs->drv->bdrv_set_key(bs, key); - if (ret < 0) { - bs->valid_key = 0; - } else if (!bs->valid_key) { - bs->valid_key = 1; - /* call the change callback now, we skipped it on open */ - bdrv_dev_change_media_cb(bs, true); - } - return ret; -} - -const char *bdrv_get_format_name(BlockDriverState *bs) -{ - return bs->drv ? bs->drv->format_name : NULL; -} - -void bdrv_iterate_format(void (*it)(void *opaque, const char *name), - void *opaque) -{ - BlockDriver *drv; - - QLIST_FOREACH(drv, &bdrv_drivers, list) { - it(opaque, drv->format_name); - } -} - -BlockDriverState *bdrv_find(const char *name) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - if (!strcmp(name, bs->device_name)) { - return bs; - } - } - return NULL; -} - -BlockDriverState *bdrv_next(BlockDriverState *bs) -{ - if (!bs) { - return QTAILQ_FIRST(&bdrv_states); - } - return QTAILQ_NEXT(bs, list); -} - -void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - it(opaque, bs); - } -} - -const char *bdrv_get_device_name(BlockDriverState *bs) -{ - return bs->device_name; -} - -int bdrv_get_flags(BlockDriverState *bs) -{ - return bs->open_flags; -} - -int bdrv_flush_all(void) -{ - BlockDriverState *bs; - int result = 0; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - int ret = bdrv_flush(bs); - if (ret < 0 && !result) { - result = ret; - } - } - - return result; -} - -int bdrv_has_zero_init_1(BlockDriverState *bs) -{ - return 1; -} - -int bdrv_has_zero_init(BlockDriverState *bs) -{ - assert(bs->drv); - - if (bs->drv->bdrv_has_zero_init) { - return bs->drv->bdrv_has_zero_init(bs); - } - - /* safe default */ - return 0; -} - -typedef struct BdrvCoIsAllocatedData { - BlockDriverState *bs; - BlockDriverState *base; - int64_t sector_num; - int nb_sectors; - int *pnum; - int ret; - bool done; -} BdrvCoIsAllocatedData; - -/* - * Returns true iff the specified sector is present in the disk image. Drivers - * not implementing the functionality are assumed to not support backing files, - * hence all their sectors are reported as allocated. - * - * If 'sector_num' is beyond the end of the disk image the return value is 0 - * and 'pnum' is set to 0. - * - * 'pnum' is set to the number of sectors (including and immediately following - * the specified sector) that are known to be in the same - * allocated/unallocated state. - * - * 'nb_sectors' is the max value 'pnum' should be set to. If nb_sectors goes - * beyond the end of the disk image it will be clamped. - */ -int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, int *pnum) -{ - int64_t n; - - if (sector_num >= bs->total_sectors) { - *pnum = 0; - return 0; - } - - n = bs->total_sectors - sector_num; - if (n < nb_sectors) { - nb_sectors = n; - } - - if (!bs->drv->bdrv_co_is_allocated) { - *pnum = nb_sectors; - return 1; - } - - return bs->drv->bdrv_co_is_allocated(bs, sector_num, nb_sectors, pnum); -} - -/* Coroutine wrapper for bdrv_is_allocated() */ -static void coroutine_fn bdrv_is_allocated_co_entry(void *opaque) -{ - BdrvCoIsAllocatedData *data = opaque; - BlockDriverState *bs = data->bs; - - data->ret = bdrv_co_is_allocated(bs, data->sector_num, data->nb_sectors, - data->pnum); - data->done = true; -} - -/* - * Synchronous wrapper around bdrv_co_is_allocated(). - * - * See bdrv_co_is_allocated() for details. - */ -int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - int *pnum) -{ - Coroutine *co; - BdrvCoIsAllocatedData data = { - .bs = bs, - .sector_num = sector_num, - .nb_sectors = nb_sectors, - .pnum = pnum, - .done = false, - }; - - co = qemu_coroutine_create(bdrv_is_allocated_co_entry); - qemu_coroutine_enter(co, &data); - while (!data.done) { - qemu_aio_wait(); - } - return data.ret; -} - -/* - * Given an image chain: ... -> [BASE] -> [INTER1] -> [INTER2] -> [TOP] - * - * Return true if the given sector is allocated in any image between - * BASE and TOP (inclusive). BASE can be NULL to check if the given - * sector is allocated in any image of the chain. Return false otherwise. - * - * 'pnum' is set to the number of sectors (including and immediately following - * the specified sector) that are known to be in the same - * allocated/unallocated state. - * - */ -int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top, - BlockDriverState *base, - int64_t sector_num, - int nb_sectors, int *pnum) -{ - BlockDriverState *intermediate; - int ret, n = nb_sectors; - - intermediate = top; - while (intermediate && intermediate != base) { - int pnum_inter; - ret = bdrv_co_is_allocated(intermediate, sector_num, nb_sectors, - &pnum_inter); - if (ret < 0) { - return ret; - } else if (ret) { - *pnum = pnum_inter; - return 1; - } - - /* - * [sector_num, nb_sectors] is unallocated on top but intermediate - * might have - * - * [sector_num+x, nr_sectors] allocated. - */ - if (n > pnum_inter && - (intermediate == top || - sector_num + pnum_inter < intermediate->total_sectors)) { - n = pnum_inter; - } - - intermediate = intermediate->backing_hd; - } - - *pnum = n; - return 0; -} - -/* Coroutine wrapper for bdrv_is_allocated_above() */ -static void coroutine_fn bdrv_is_allocated_above_co_entry(void *opaque) -{ - BdrvCoIsAllocatedData *data = opaque; - BlockDriverState *top = data->bs; - BlockDriverState *base = data->base; - - data->ret = bdrv_co_is_allocated_above(top, base, data->sector_num, - data->nb_sectors, data->pnum); - data->done = true; -} - -/* - * Synchronous wrapper around bdrv_co_is_allocated_above(). - * - * See bdrv_co_is_allocated_above() for details. - */ -int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base, - int64_t sector_num, int nb_sectors, int *pnum) -{ - Coroutine *co; - BdrvCoIsAllocatedData data = { - .bs = top, - .base = base, - .sector_num = sector_num, - .nb_sectors = nb_sectors, - .pnum = pnum, - .done = false, - }; - - co = qemu_coroutine_create(bdrv_is_allocated_above_co_entry); - qemu_coroutine_enter(co, &data); - while (!data.done) { - qemu_aio_wait(); - } - return data.ret; -} - -const char *bdrv_get_encrypted_filename(BlockDriverState *bs) -{ - if (bs->backing_hd && bs->backing_hd->encrypted) - return bs->backing_file; - else if (bs->encrypted) - return bs->filename; - else - return NULL; -} - -void bdrv_get_backing_filename(BlockDriverState *bs, - char *filename, int filename_size) -{ - pstrcpy(filename, filename_size, bs->backing_file); -} - -int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors) -{ - BlockDriver *drv = bs->drv; - if (!drv) - return -ENOMEDIUM; - if (!drv->bdrv_write_compressed) - return -ENOTSUP; - if (bdrv_check_request(bs, sector_num, nb_sectors)) - return -EIO; - - assert(!bs->dirty_bitmap); - - return drv->bdrv_write_compressed(bs, sector_num, buf, nb_sectors); -} - -int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) -{ - BlockDriver *drv = bs->drv; - if (!drv) - return -ENOMEDIUM; - if (!drv->bdrv_get_info) - return -ENOTSUP; - memset(bdi, 0, sizeof(*bdi)); - return drv->bdrv_get_info(bs, bdi); -} - -int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, - int64_t pos, int size) -{ - QEMUIOVector qiov; - struct iovec iov = { - .iov_base = (void *) buf, - .iov_len = size, - }; - - qemu_iovec_init_external(&qiov, &iov, 1); - return bdrv_writev_vmstate(bs, &qiov, pos); -} - -int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos) -{ - BlockDriver *drv = bs->drv; - - if (!drv) { - return -ENOMEDIUM; - } else if (drv->bdrv_save_vmstate) { - return drv->bdrv_save_vmstate(bs, qiov, pos); - } else if (bs->file) { - return bdrv_writev_vmstate(bs->file, qiov, pos); - } - - return -ENOTSUP; -} - -int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, - int64_t pos, int size) -{ - BlockDriver *drv = bs->drv; - if (!drv) - return -ENOMEDIUM; - if (drv->bdrv_load_vmstate) - return drv->bdrv_load_vmstate(bs, buf, pos, size); - if (bs->file) - return bdrv_load_vmstate(bs->file, buf, pos, size); - return -ENOTSUP; -} - -void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event) -{ - if (!bs || !bs->drv || !bs->drv->bdrv_debug_event) { - return; - } - - bs->drv->bdrv_debug_event(bs, event); -} - -int bdrv_debug_breakpoint(BlockDriverState *bs, const char *event, - const char *tag) -{ - while (bs && bs->drv && !bs->drv->bdrv_debug_breakpoint) { - bs = bs->file; - } - - if (bs && bs->drv && bs->drv->bdrv_debug_breakpoint) { - return bs->drv->bdrv_debug_breakpoint(bs, event, tag); - } - - return -ENOTSUP; -} - -int bdrv_debug_resume(BlockDriverState *bs, const char *tag) -{ - while (bs && bs->drv && !bs->drv->bdrv_debug_resume) { - bs = bs->file; - } - - if (bs && bs->drv && bs->drv->bdrv_debug_resume) { - return bs->drv->bdrv_debug_resume(bs, tag); - } - - return -ENOTSUP; -} - -bool bdrv_debug_is_suspended(BlockDriverState *bs, const char *tag) -{ - while (bs && bs->drv && !bs->drv->bdrv_debug_is_suspended) { - bs = bs->file; - } - - if (bs && bs->drv && bs->drv->bdrv_debug_is_suspended) { - return bs->drv->bdrv_debug_is_suspended(bs, tag); - } - - return false; -} - -int bdrv_is_snapshot(BlockDriverState *bs) -{ - return !!(bs->open_flags & BDRV_O_SNAPSHOT); -} - -/* backing_file can either be relative, or absolute, or a protocol. If it is - * relative, it must be relative to the chain. So, passing in bs->filename - * from a BDS as backing_file should not be done, as that may be relative to - * the CWD rather than the chain. */ -BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, - const char *backing_file) -{ - char *filename_full = NULL; - char *backing_file_full = NULL; - char *filename_tmp = NULL; - int is_protocol = 0; - BlockDriverState *curr_bs = NULL; - BlockDriverState *retval = NULL; - - if (!bs || !bs->drv || !backing_file) { - return NULL; - } - - filename_full = g_malloc(PATH_MAX); - backing_file_full = g_malloc(PATH_MAX); - filename_tmp = g_malloc(PATH_MAX); - - is_protocol = path_has_protocol(backing_file); - - for (curr_bs = bs; curr_bs->backing_hd; curr_bs = curr_bs->backing_hd) { - - /* If either of the filename paths is actually a protocol, then - * compare unmodified paths; otherwise make paths relative */ - if (is_protocol || path_has_protocol(curr_bs->backing_file)) { - if (strcmp(backing_file, curr_bs->backing_file) == 0) { - retval = curr_bs->backing_hd; - break; - } - } else { - /* If not an absolute filename path, make it relative to the current - * image's filename path */ - path_combine(filename_tmp, PATH_MAX, curr_bs->filename, - backing_file); - - /* We are going to compare absolute pathnames */ - if (!realpath(filename_tmp, filename_full)) { - continue; - } - - /* We need to make sure the backing filename we are comparing against - * is relative to the current image filename (or absolute) */ - path_combine(filename_tmp, PATH_MAX, curr_bs->filename, - curr_bs->backing_file); - - if (!realpath(filename_tmp, backing_file_full)) { - continue; - } - - if (strcmp(backing_file_full, filename_full) == 0) { - retval = curr_bs->backing_hd; - break; - } - } - } - - g_free(filename_full); - g_free(backing_file_full); - g_free(filename_tmp); - return retval; -} - -int bdrv_get_backing_file_depth(BlockDriverState *bs) -{ - if (!bs->drv) { - return 0; - } - - if (!bs->backing_hd) { - return 0; - } - - return 1 + bdrv_get_backing_file_depth(bs->backing_hd); -} - -BlockDriverState *bdrv_find_base(BlockDriverState *bs) -{ - BlockDriverState *curr_bs = NULL; - - if (!bs) { - return NULL; - } - - curr_bs = bs; - - while (curr_bs->backing_hd) { - curr_bs = curr_bs->backing_hd; - } - return curr_bs; -} - -/**************************************************************/ -/* async I/Os */ - -BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) -{ - trace_bdrv_aio_readv(bs, sector_num, nb_sectors, opaque); - - return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, - cb, opaque, false); -} - -BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) -{ - trace_bdrv_aio_writev(bs, sector_num, nb_sectors, opaque); - - return bdrv_co_aio_rw_vector(bs, sector_num, qiov, nb_sectors, - cb, opaque, true); -} - - -typedef struct MultiwriteCB { - int error; - int num_requests; - int num_callbacks; - struct { - BlockDriverCompletionFunc *cb; - void *opaque; - QEMUIOVector *free_qiov; - } callbacks[]; -} MultiwriteCB; - -static void multiwrite_user_cb(MultiwriteCB *mcb) -{ - int i; - - for (i = 0; i < mcb->num_callbacks; i++) { - mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error); - if (mcb->callbacks[i].free_qiov) { - qemu_iovec_destroy(mcb->callbacks[i].free_qiov); - } - g_free(mcb->callbacks[i].free_qiov); - } -} - -static void multiwrite_cb(void *opaque, int ret) -{ - MultiwriteCB *mcb = opaque; - - trace_multiwrite_cb(mcb, ret); - - if (ret < 0 && !mcb->error) { - mcb->error = ret; - } - - mcb->num_requests--; - if (mcb->num_requests == 0) { - multiwrite_user_cb(mcb); - g_free(mcb); - } -} - -static int multiwrite_req_compare(const void *a, const void *b) -{ - const BlockRequest *req1 = a, *req2 = b; - - /* - * Note that we can't simply subtract req2->sector from req1->sector - * here as that could overflow the return value. - */ - if (req1->sector > req2->sector) { - return 1; - } else if (req1->sector < req2->sector) { - return -1; - } else { - return 0; - } -} - -/* - * Takes a bunch of requests and tries to merge them. Returns the number of - * requests that remain after merging. - */ -static int multiwrite_merge(BlockDriverState *bs, BlockRequest *reqs, - int num_reqs, MultiwriteCB *mcb) -{ - int i, outidx; - - // Sort requests by start sector - qsort(reqs, num_reqs, sizeof(*reqs), &multiwrite_req_compare); - - // Check if adjacent requests touch the same clusters. If so, combine them, - // filling up gaps with zero sectors. - outidx = 0; - for (i = 1; i < num_reqs; i++) { - int merge = 0; - int64_t oldreq_last = reqs[outidx].sector + reqs[outidx].nb_sectors; - - // Handle exactly sequential writes and overlapping writes. - if (reqs[i].sector <= oldreq_last) { - merge = 1; - } - - if (reqs[outidx].qiov->niov + reqs[i].qiov->niov + 1 > IOV_MAX) { - merge = 0; - } - - if (merge) { - size_t size; - QEMUIOVector *qiov = g_malloc0(sizeof(*qiov)); - qemu_iovec_init(qiov, - reqs[outidx].qiov->niov + reqs[i].qiov->niov + 1); - - // Add the first request to the merged one. If the requests are - // overlapping, drop the last sectors of the first request. - size = (reqs[i].sector - reqs[outidx].sector) << 9; - qemu_iovec_concat(qiov, reqs[outidx].qiov, 0, size); - - // We should need to add any zeros between the two requests - assert (reqs[i].sector <= oldreq_last); - - // Add the second request - qemu_iovec_concat(qiov, reqs[i].qiov, 0, reqs[i].qiov->size); - - reqs[outidx].nb_sectors = qiov->size >> 9; - reqs[outidx].qiov = qiov; - - mcb->callbacks[i].free_qiov = reqs[outidx].qiov; - } else { - outidx++; - reqs[outidx].sector = reqs[i].sector; - reqs[outidx].nb_sectors = reqs[i].nb_sectors; - reqs[outidx].qiov = reqs[i].qiov; - } - } - - return outidx + 1; -} - -/* - * Submit multiple AIO write requests at once. - * - * On success, the function returns 0 and all requests in the reqs array have - * been submitted. In error case this function returns -1, and any of the - * requests may or may not be submitted yet. In particular, this means that the - * callback will be called for some of the requests, for others it won't. The - * caller must check the error field of the BlockRequest to wait for the right - * callbacks (if error != 0, no callback will be called). - * - * The implementation may modify the contents of the reqs array, e.g. to merge - * requests. However, the fields opaque and error are left unmodified as they - * are used to signal failure for a single request to the caller. - */ -int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, int num_reqs) -{ - MultiwriteCB *mcb; - int i; - - /* don't submit writes if we don't have a medium */ - if (bs->drv == NULL) { - for (i = 0; i < num_reqs; i++) { - reqs[i].error = -ENOMEDIUM; - } - return -1; - } - - if (num_reqs == 0) { - return 0; - } - - // Create MultiwriteCB structure - mcb = g_malloc0(sizeof(*mcb) + num_reqs * sizeof(*mcb->callbacks)); - mcb->num_requests = 0; - mcb->num_callbacks = num_reqs; - - for (i = 0; i < num_reqs; i++) { - mcb->callbacks[i].cb = reqs[i].cb; - mcb->callbacks[i].opaque = reqs[i].opaque; - } - - // Check for mergable requests - num_reqs = multiwrite_merge(bs, reqs, num_reqs, mcb); - - trace_bdrv_aio_multiwrite(mcb, mcb->num_callbacks, num_reqs); - - /* Run the aio requests. */ - mcb->num_requests = num_reqs; - for (i = 0; i < num_reqs; i++) { - bdrv_aio_writev(bs, reqs[i].sector, reqs[i].qiov, - reqs[i].nb_sectors, multiwrite_cb, mcb); - } - - return 0; -} - -void bdrv_aio_cancel(BlockDriverAIOCB *acb) -{ - acb->aiocb_info->cancel(acb); -} - -/* block I/O throttling */ -static bool bdrv_exceed_bps_limits(BlockDriverState *bs, int nb_sectors, - bool is_write, double elapsed_time, uint64_t *wait) -{ - uint64_t bps_limit = 0; - uint64_t extension; - double bytes_limit, bytes_base, bytes_res; - double slice_time, wait_time; - - if (bs->io_limits.bps[BLOCK_IO_LIMIT_TOTAL]) { - bps_limit = bs->io_limits.bps[BLOCK_IO_LIMIT_TOTAL]; - } else if (bs->io_limits.bps[is_write]) { - bps_limit = bs->io_limits.bps[is_write]; - } else { - if (wait) { - *wait = 0; - } - - return false; - } - - slice_time = bs->slice_end - bs->slice_start; - slice_time /= (NANOSECONDS_PER_SECOND); - bytes_limit = bps_limit * slice_time; - bytes_base = bs->slice_submitted.bytes[is_write]; - if (bs->io_limits.bps[BLOCK_IO_LIMIT_TOTAL]) { - bytes_base += bs->slice_submitted.bytes[!is_write]; - } - - /* bytes_base: the bytes of data which have been read/written; and - * it is obtained from the history statistic info. - * bytes_res: the remaining bytes of data which need to be read/written. - * (bytes_base + bytes_res) / bps_limit: used to calcuate - * the total time for completing reading/writting all data. - */ - bytes_res = (unsigned) nb_sectors * BDRV_SECTOR_SIZE; - - if (bytes_base + bytes_res <= bytes_limit) { - if (wait) { - *wait = 0; - } - - return false; - } - - /* Calc approx time to dispatch */ - wait_time = (bytes_base + bytes_res) / bps_limit - elapsed_time; - - /* When the I/O rate at runtime exceeds the limits, - * bs->slice_end need to be extended in order that the current statistic - * info can be kept until the timer fire, so it is increased and tuned - * based on the result of experiment. - */ - extension = wait_time * NANOSECONDS_PER_SECOND; - extension = DIV_ROUND_UP(extension, BLOCK_IO_SLICE_TIME) * - BLOCK_IO_SLICE_TIME; - bs->slice_end += extension; - if (wait) { - *wait = wait_time * NANOSECONDS_PER_SECOND; - } - - return true; -} - -static bool bdrv_exceed_iops_limits(BlockDriverState *bs, bool is_write, - double elapsed_time, uint64_t *wait) -{ - uint64_t iops_limit = 0; - double ios_limit, ios_base; - double slice_time, wait_time; - - if (bs->io_limits.iops[BLOCK_IO_LIMIT_TOTAL]) { - iops_limit = bs->io_limits.iops[BLOCK_IO_LIMIT_TOTAL]; - } else if (bs->io_limits.iops[is_write]) { - iops_limit = bs->io_limits.iops[is_write]; - } else { - if (wait) { - *wait = 0; - } - - return false; - } - - slice_time = bs->slice_end - bs->slice_start; - slice_time /= (NANOSECONDS_PER_SECOND); - ios_limit = iops_limit * slice_time; - ios_base = bs->slice_submitted.ios[is_write]; - if (bs->io_limits.iops[BLOCK_IO_LIMIT_TOTAL]) { - ios_base += bs->slice_submitted.ios[!is_write]; - } - - if (ios_base + 1 <= ios_limit) { - if (wait) { - *wait = 0; - } - - return false; - } - - /* Calc approx time to dispatch, in seconds */ - wait_time = (ios_base + 1) / iops_limit; - if (wait_time > elapsed_time) { - wait_time = wait_time - elapsed_time; - } else { - wait_time = 0; - } - - /* Exceeded current slice, extend it by another slice time */ - bs->slice_end += BLOCK_IO_SLICE_TIME; - if (wait) { - *wait = wait_time * NANOSECONDS_PER_SECOND; - } - - return true; -} - -static bool bdrv_exceed_io_limits(BlockDriverState *bs, int nb_sectors, - bool is_write, int64_t *wait) -{ - int64_t now, max_wait; - uint64_t bps_wait = 0, iops_wait = 0; - double elapsed_time; - int bps_ret, iops_ret; - - now = qemu_get_clock_ns(vm_clock); - if (now > bs->slice_end) { - bs->slice_start = now; - bs->slice_end = now + BLOCK_IO_SLICE_TIME; - memset(&bs->slice_submitted, 0, sizeof(bs->slice_submitted)); - } - - elapsed_time = now - bs->slice_start; - elapsed_time /= (NANOSECONDS_PER_SECOND); - - bps_ret = bdrv_exceed_bps_limits(bs, nb_sectors, - is_write, elapsed_time, &bps_wait); - iops_ret = bdrv_exceed_iops_limits(bs, is_write, - elapsed_time, &iops_wait); - if (bps_ret || iops_ret) { - max_wait = bps_wait > iops_wait ? bps_wait : iops_wait; - if (wait) { - *wait = max_wait; - } - - now = qemu_get_clock_ns(vm_clock); - if (bs->slice_end < now + max_wait) { - bs->slice_end = now + max_wait; - } - - return true; - } - - if (wait) { - *wait = 0; - } - - bs->slice_submitted.bytes[is_write] += (int64_t)nb_sectors * - BDRV_SECTOR_SIZE; - bs->slice_submitted.ios[is_write]++; - - return false; -} - -/**************************************************************/ -/* async block device emulation */ - -typedef struct BlockDriverAIOCBSync { - BlockDriverAIOCB common; - QEMUBH *bh; - int ret; - /* vector translation state */ - QEMUIOVector *qiov; - uint8_t *bounce; - int is_write; -} BlockDriverAIOCBSync; - -static void bdrv_aio_cancel_em(BlockDriverAIOCB *blockacb) -{ - BlockDriverAIOCBSync *acb = - container_of(blockacb, BlockDriverAIOCBSync, common); - qemu_bh_delete(acb->bh); - acb->bh = NULL; - qemu_aio_release(acb); -} - -static const AIOCBInfo bdrv_em_aiocb_info = { - .aiocb_size = sizeof(BlockDriverAIOCBSync), - .cancel = bdrv_aio_cancel_em, -}; - -static void bdrv_aio_bh_cb(void *opaque) -{ - BlockDriverAIOCBSync *acb = opaque; - - if (!acb->is_write) - qemu_iovec_from_buf(acb->qiov, 0, acb->bounce, acb->qiov->size); - qemu_vfree(acb->bounce); - acb->common.cb(acb->common.opaque, acb->ret); - qemu_bh_delete(acb->bh); - acb->bh = NULL; - qemu_aio_release(acb); -} - -static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - int is_write) - -{ - BlockDriverAIOCBSync *acb; - - acb = qemu_aio_get(&bdrv_em_aiocb_info, bs, cb, opaque); - acb->is_write = is_write; - acb->qiov = qiov; - acb->bounce = qemu_blockalign(bs, qiov->size); - acb->bh = qemu_bh_new(bdrv_aio_bh_cb, acb); - - if (is_write) { - qemu_iovec_to_buf(acb->qiov, 0, acb->bounce, qiov->size); - acb->ret = bs->drv->bdrv_write(bs, sector_num, acb->bounce, nb_sectors); - } else { - acb->ret = bs->drv->bdrv_read(bs, sector_num, acb->bounce, nb_sectors); - } - - qemu_bh_schedule(acb->bh); - - return &acb->common; -} - -static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) -{ - return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 0); -} - -static BlockDriverAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) -{ - return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 1); -} - - -typedef struct BlockDriverAIOCBCoroutine { - BlockDriverAIOCB common; - BlockRequest req; - bool is_write; - bool *done; - QEMUBH* bh; -} BlockDriverAIOCBCoroutine; - -static void bdrv_aio_co_cancel_em(BlockDriverAIOCB *blockacb) -{ - BlockDriverAIOCBCoroutine *acb = - container_of(blockacb, BlockDriverAIOCBCoroutine, common); - bool done = false; - - acb->done = &done; - while (!done) { - qemu_aio_wait(); - } -} - -static const AIOCBInfo bdrv_em_co_aiocb_info = { - .aiocb_size = sizeof(BlockDriverAIOCBCoroutine), - .cancel = bdrv_aio_co_cancel_em, -}; - -static void bdrv_co_em_bh(void *opaque) -{ - BlockDriverAIOCBCoroutine *acb = opaque; - - acb->common.cb(acb->common.opaque, acb->req.error); - - if (acb->done) { - *acb->done = true; - } - - qemu_bh_delete(acb->bh); - qemu_aio_release(acb); -} - -/* Invoke bdrv_co_do_readv/bdrv_co_do_writev */ -static void coroutine_fn bdrv_co_do_rw(void *opaque) -{ - BlockDriverAIOCBCoroutine *acb = opaque; - BlockDriverState *bs = acb->common.bs; - - if (!acb->is_write) { - acb->req.error = bdrv_co_do_readv(bs, acb->req.sector, - acb->req.nb_sectors, acb->req.qiov, 0); - } else { - acb->req.error = bdrv_co_do_writev(bs, acb->req.sector, - acb->req.nb_sectors, acb->req.qiov, 0); - } - - acb->bh = qemu_bh_new(bdrv_co_em_bh, acb); - qemu_bh_schedule(acb->bh); -} - -static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - bool is_write) -{ - Coroutine *co; - BlockDriverAIOCBCoroutine *acb; - - acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); - acb->req.sector = sector_num; - acb->req.nb_sectors = nb_sectors; - acb->req.qiov = qiov; - acb->is_write = is_write; - acb->done = NULL; - - co = qemu_coroutine_create(bdrv_co_do_rw); - qemu_coroutine_enter(co, acb); - - return &acb->common; -} - -static void coroutine_fn bdrv_aio_flush_co_entry(void *opaque) -{ - BlockDriverAIOCBCoroutine *acb = opaque; - BlockDriverState *bs = acb->common.bs; - - acb->req.error = bdrv_co_flush(bs); - acb->bh = qemu_bh_new(bdrv_co_em_bh, acb); - qemu_bh_schedule(acb->bh); -} - -BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) -{ - trace_bdrv_aio_flush(bs, opaque); - - Coroutine *co; - BlockDriverAIOCBCoroutine *acb; - - acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); - acb->done = NULL; - - co = qemu_coroutine_create(bdrv_aio_flush_co_entry); - qemu_coroutine_enter(co, acb); - - return &acb->common; -} - -static void coroutine_fn bdrv_aio_discard_co_entry(void *opaque) -{ - BlockDriverAIOCBCoroutine *acb = opaque; - BlockDriverState *bs = acb->common.bs; - - acb->req.error = bdrv_co_discard(bs, acb->req.sector, acb->req.nb_sectors); - acb->bh = qemu_bh_new(bdrv_co_em_bh, acb); - qemu_bh_schedule(acb->bh); -} - -BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) -{ - Coroutine *co; - BlockDriverAIOCBCoroutine *acb; - - trace_bdrv_aio_discard(bs, sector_num, nb_sectors, opaque); - - acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); - acb->req.sector = sector_num; - acb->req.nb_sectors = nb_sectors; - acb->done = NULL; - co = qemu_coroutine_create(bdrv_aio_discard_co_entry); - qemu_coroutine_enter(co, acb); - - return &acb->common; -} - -void bdrv_init(void) -{ - module_call_init(MODULE_INIT_BLOCK); -} - -void bdrv_init_with_whitelist(void) -{ - use_bdrv_whitelist = 1; - bdrv_init(); -} - -void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) -{ - BlockDriverAIOCB *acb; - - acb = g_slice_alloc(aiocb_info->aiocb_size); - acb->aiocb_info = aiocb_info; - acb->bs = bs; - acb->cb = cb; - acb->opaque = opaque; - return acb; -} - -void qemu_aio_release(void *p) -{ - BlockDriverAIOCB *acb = p; - g_slice_free1(acb->aiocb_info->aiocb_size, acb); -} - -/**************************************************************/ -/* Coroutine block device emulation */ - -typedef struct CoroutineIOCompletion { - Coroutine *coroutine; - int ret; -} CoroutineIOCompletion; - -static void bdrv_co_io_em_complete(void *opaque, int ret) -{ - CoroutineIOCompletion *co = opaque; - - co->ret = ret; - qemu_coroutine_enter(co->coroutine, NULL); -} - -static int coroutine_fn bdrv_co_io_em(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *iov, - bool is_write) -{ - CoroutineIOCompletion co = { - .coroutine = qemu_coroutine_self(), - }; - BlockDriverAIOCB *acb; - - if (is_write) { - acb = bs->drv->bdrv_aio_writev(bs, sector_num, iov, nb_sectors, - bdrv_co_io_em_complete, &co); - } else { - acb = bs->drv->bdrv_aio_readv(bs, sector_num, iov, nb_sectors, - bdrv_co_io_em_complete, &co); - } - - trace_bdrv_co_io_em(bs, sector_num, nb_sectors, is_write, acb); - if (!acb) { - return -EIO; - } - qemu_coroutine_yield(); - - return co.ret; -} - -static int coroutine_fn bdrv_co_readv_em(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov) -{ - return bdrv_co_io_em(bs, sector_num, nb_sectors, iov, false); -} - -static int coroutine_fn bdrv_co_writev_em(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *iov) -{ - return bdrv_co_io_em(bs, sector_num, nb_sectors, iov, true); -} - -static void coroutine_fn bdrv_flush_co_entry(void *opaque) -{ - RwCo *rwco = opaque; - - rwco->ret = bdrv_co_flush(rwco->bs); -} - -int coroutine_fn bdrv_co_flush(BlockDriverState *bs) -{ - int ret; - - if (!bs || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) { - return 0; - } - - /* Write back cached data to the OS even with cache=unsafe */ - BLKDBG_EVENT(bs->file, BLKDBG_FLUSH_TO_OS); - if (bs->drv->bdrv_co_flush_to_os) { - ret = bs->drv->bdrv_co_flush_to_os(bs); - if (ret < 0) { - return ret; - } - } - - /* But don't actually force it to the disk with cache=unsafe */ - if (bs->open_flags & BDRV_O_NO_FLUSH) { - goto flush_parent; - } - - BLKDBG_EVENT(bs->file, BLKDBG_FLUSH_TO_DISK); - if (bs->drv->bdrv_co_flush_to_disk) { - ret = bs->drv->bdrv_co_flush_to_disk(bs); - } else if (bs->drv->bdrv_aio_flush) { - BlockDriverAIOCB *acb; - CoroutineIOCompletion co = { - .coroutine = qemu_coroutine_self(), - }; - - acb = bs->drv->bdrv_aio_flush(bs, bdrv_co_io_em_complete, &co); - if (acb == NULL) { - ret = -EIO; - } else { - qemu_coroutine_yield(); - ret = co.ret; - } - } else { - /* - * Some block drivers always operate in either writethrough or unsafe - * mode and don't support bdrv_flush therefore. Usually qemu doesn't - * know how the server works (because the behaviour is hardcoded or - * depends on server-side configuration), so we can't ensure that - * everything is safe on disk. Returning an error doesn't work because - * that would break guests even if the server operates in writethrough - * mode. - * - * Let's hope the user knows what he's doing. - */ - ret = 0; - } - if (ret < 0) { - return ret; - } - - /* Now flush the underlying protocol. It will also have BDRV_O_NO_FLUSH - * in the case of cache=unsafe, so there are no useless flushes. - */ -flush_parent: - return bdrv_co_flush(bs->file); -} - -void bdrv_invalidate_cache(BlockDriverState *bs) -{ - if (bs->drv && bs->drv->bdrv_invalidate_cache) { - bs->drv->bdrv_invalidate_cache(bs); - } -} - -void bdrv_invalidate_cache_all(void) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - bdrv_invalidate_cache(bs); - } -} - -void bdrv_clear_incoming_migration_all(void) -{ - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, list) { - bs->open_flags = bs->open_flags & ~(BDRV_O_INCOMING); - } -} - -int bdrv_flush(BlockDriverState *bs) -{ - Coroutine *co; - RwCo rwco = { - .bs = bs, - .ret = NOT_DONE, - }; - - if (qemu_in_coroutine()) { - /* Fast-path if already in coroutine context */ - bdrv_flush_co_entry(&rwco); - } else { - co = qemu_coroutine_create(bdrv_flush_co_entry); - qemu_coroutine_enter(co, &rwco); - while (rwco.ret == NOT_DONE) { - qemu_aio_wait(); - } - } - - return rwco.ret; -} - -static void coroutine_fn bdrv_discard_co_entry(void *opaque) -{ - RwCo *rwco = opaque; - - rwco->ret = bdrv_co_discard(rwco->bs, rwco->sector_num, rwco->nb_sectors); -} - -int coroutine_fn bdrv_co_discard(BlockDriverState *bs, int64_t sector_num, - int nb_sectors) -{ - if (!bs->drv) { - return -ENOMEDIUM; - } else if (bdrv_check_request(bs, sector_num, nb_sectors)) { - return -EIO; - } else if (bs->read_only) { - return -EROFS; - } - - if (bs->dirty_bitmap) { - bdrv_reset_dirty(bs, sector_num, nb_sectors); - } - - /* Do nothing if disabled. */ - if (!(bs->open_flags & BDRV_O_UNMAP)) { - return 0; - } - - if (bs->drv->bdrv_co_discard) { - return bs->drv->bdrv_co_discard(bs, sector_num, nb_sectors); - } else if (bs->drv->bdrv_aio_discard) { - BlockDriverAIOCB *acb; - CoroutineIOCompletion co = { - .coroutine = qemu_coroutine_self(), - }; - - acb = bs->drv->bdrv_aio_discard(bs, sector_num, nb_sectors, - bdrv_co_io_em_complete, &co); - if (acb == NULL) { - return -EIO; - } else { - qemu_coroutine_yield(); - return co.ret; - } - } else { - return 0; - } -} - -int bdrv_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors) -{ - Coroutine *co; - RwCo rwco = { - .bs = bs, - .sector_num = sector_num, - .nb_sectors = nb_sectors, - .ret = NOT_DONE, - }; - - if (qemu_in_coroutine()) { - /* Fast-path if already in coroutine context */ - bdrv_discard_co_entry(&rwco); - } else { - co = qemu_coroutine_create(bdrv_discard_co_entry); - qemu_coroutine_enter(co, &rwco); - while (rwco.ret == NOT_DONE) { - qemu_aio_wait(); - } - } - - return rwco.ret; -} - -/**************************************************************/ -/* removable device support */ - -/** - * Return TRUE if the media is present - */ -int bdrv_is_inserted(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - - if (!drv) - return 0; - if (!drv->bdrv_is_inserted) - return 1; - return drv->bdrv_is_inserted(bs); -} - -/** - * Return whether the media changed since the last call to this - * function, or -ENOTSUP if we don't know. Most drivers don't know. - */ -int bdrv_media_changed(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - - if (drv && drv->bdrv_media_changed) { - return drv->bdrv_media_changed(bs); - } - return -ENOTSUP; -} - -/** - * If eject_flag is TRUE, eject the media. Otherwise, close the tray - */ -void bdrv_eject(BlockDriverState *bs, bool eject_flag) -{ - BlockDriver *drv = bs->drv; - - if (drv && drv->bdrv_eject) { - drv->bdrv_eject(bs, eject_flag); - } - - if (bs->device_name[0] != '\0') { - bdrv_emit_qmp_eject_event(bs, eject_flag); - } -} - -/** - * Lock or unlock the media (if it is locked, the user won't be able - * to eject it manually). - */ -void bdrv_lock_medium(BlockDriverState *bs, bool locked) -{ - BlockDriver *drv = bs->drv; - - trace_bdrv_lock_medium(bs, locked); - - if (drv && drv->bdrv_lock_medium) { - drv->bdrv_lock_medium(bs, locked); - } -} - -/* needed for generic scsi interface */ - -int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) -{ - BlockDriver *drv = bs->drv; - - if (drv && drv->bdrv_ioctl) - return drv->bdrv_ioctl(bs, req, buf); - return -ENOTSUP; -} - -BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, - unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque) -{ - BlockDriver *drv = bs->drv; - - if (drv && drv->bdrv_aio_ioctl) - return drv->bdrv_aio_ioctl(bs, req, buf, cb, opaque); - return NULL; -} - -void bdrv_set_buffer_alignment(BlockDriverState *bs, int align) -{ - bs->buffer_alignment = align; -} - -void *qemu_blockalign(BlockDriverState *bs, size_t size) -{ - return qemu_memalign((bs && bs->buffer_alignment) ? bs->buffer_alignment : 512, size); -} - -/* - * Check if all memory in this vector is sector aligned. - */ -bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov) -{ - int i; - - for (i = 0; i < qiov->niov; i++) { - if ((uintptr_t) qiov->iov[i].iov_base % bs->buffer_alignment) { - return false; - } - } - - return true; -} - -void bdrv_set_dirty_tracking(BlockDriverState *bs, int granularity) -{ - int64_t bitmap_size; - - assert((granularity & (granularity - 1)) == 0); - - if (granularity) { - granularity >>= BDRV_SECTOR_BITS; - assert(!bs->dirty_bitmap); - bitmap_size = (bdrv_getlength(bs) >> BDRV_SECTOR_BITS); - bs->dirty_bitmap = hbitmap_alloc(bitmap_size, ffs(granularity) - 1); - } else { - if (bs->dirty_bitmap) { - hbitmap_free(bs->dirty_bitmap); - bs->dirty_bitmap = NULL; - } - } -} - -int bdrv_get_dirty(BlockDriverState *bs, int64_t sector) -{ - if (bs->dirty_bitmap) { - return hbitmap_get(bs->dirty_bitmap, sector); - } else { - return 0; - } -} - -void bdrv_dirty_iter_init(BlockDriverState *bs, HBitmapIter *hbi) -{ - hbitmap_iter_init(hbi, bs->dirty_bitmap, 0); -} - -void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, - int nr_sectors) -{ - hbitmap_set(bs->dirty_bitmap, cur_sector, nr_sectors); -} - -void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector, - int nr_sectors) -{ - hbitmap_reset(bs->dirty_bitmap, cur_sector, nr_sectors); -} - -int64_t bdrv_get_dirty_count(BlockDriverState *bs) -{ - if (bs->dirty_bitmap) { - return hbitmap_count(bs->dirty_bitmap); - } else { - return 0; - } -} - -void bdrv_set_in_use(BlockDriverState *bs, int in_use) -{ - assert(bs->in_use != in_use); - bs->in_use = in_use; -} - -int bdrv_in_use(BlockDriverState *bs) -{ - return bs->in_use; -} - -void bdrv_iostatus_enable(BlockDriverState *bs) -{ - bs->iostatus_enabled = true; - bs->iostatus = BLOCK_DEVICE_IO_STATUS_OK; -} - -/* The I/O status is only enabled if the drive explicitly - * enables it _and_ the VM is configured to stop on errors */ -bool bdrv_iostatus_is_enabled(const BlockDriverState *bs) -{ - return (bs->iostatus_enabled && - (bs->on_write_error == BLOCKDEV_ON_ERROR_ENOSPC || - bs->on_write_error == BLOCKDEV_ON_ERROR_STOP || - bs->on_read_error == BLOCKDEV_ON_ERROR_STOP)); -} - -void bdrv_iostatus_disable(BlockDriverState *bs) -{ - bs->iostatus_enabled = false; -} - -void bdrv_iostatus_reset(BlockDriverState *bs) -{ - if (bdrv_iostatus_is_enabled(bs)) { - bs->iostatus = BLOCK_DEVICE_IO_STATUS_OK; - if (bs->job) { - block_job_iostatus_reset(bs->job); - } - } -} - -void bdrv_iostatus_set_err(BlockDriverState *bs, int error) -{ - assert(bdrv_iostatus_is_enabled(bs)); - if (bs->iostatus == BLOCK_DEVICE_IO_STATUS_OK) { - bs->iostatus = error == ENOSPC ? BLOCK_DEVICE_IO_STATUS_NOSPACE : - BLOCK_DEVICE_IO_STATUS_FAILED; - } -} - -void -bdrv_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, int64_t bytes, - enum BlockAcctType type) -{ - assert(type < BDRV_MAX_IOTYPE); - - cookie->bytes = bytes; - cookie->start_time_ns = get_clock(); - cookie->type = type; -} - -void -bdrv_acct_done(BlockDriverState *bs, BlockAcctCookie *cookie) -{ - assert(cookie->type < BDRV_MAX_IOTYPE); - - bs->nr_bytes[cookie->type] += cookie->bytes; - bs->nr_ops[cookie->type]++; - bs->total_time_ns[cookie->type] += get_clock() - cookie->start_time_ns; -} - -void bdrv_img_create(const char *filename, const char *fmt, - const char *base_filename, const char *base_fmt, - char *options, uint64_t img_size, int flags, - Error **errp, bool quiet) -{ - QEMUOptionParameter *param = NULL, *create_options = NULL; - QEMUOptionParameter *backing_fmt, *backing_file, *size; - BlockDriverState *bs = NULL; - BlockDriver *drv, *proto_drv; - BlockDriver *backing_drv = NULL; - int ret = 0; - - /* Find driver and parse its options */ - drv = bdrv_find_format(fmt); - if (!drv) { - error_setg(errp, "Unknown file format '%s'", fmt); - return; - } - - proto_drv = bdrv_find_protocol(filename, true); - if (!proto_drv) { - error_setg(errp, "Unknown protocol '%s'", filename); - return; - } - - create_options = append_option_parameters(create_options, - drv->create_options); - create_options = append_option_parameters(create_options, - proto_drv->create_options); - - /* Create parameter list with default values */ - param = parse_option_parameters("", create_options, param); - - set_option_parameter_int(param, BLOCK_OPT_SIZE, img_size); - - /* Parse -o options */ - if (options) { - param = parse_option_parameters(options, create_options, param); - if (param == NULL) { - error_setg(errp, "Invalid options for file format '%s'.", fmt); - goto out; - } - } - - if (base_filename) { - if (set_option_parameter(param, BLOCK_OPT_BACKING_FILE, - base_filename)) { - error_setg(errp, "Backing file not supported for file format '%s'", - fmt); - goto out; - } - } - - if (base_fmt) { - if (set_option_parameter(param, BLOCK_OPT_BACKING_FMT, base_fmt)) { - error_setg(errp, "Backing file format not supported for file " - "format '%s'", fmt); - goto out; - } - } - - backing_file = get_option_parameter(param, BLOCK_OPT_BACKING_FILE); - if (backing_file && backing_file->value.s) { - if (!strcmp(filename, backing_file->value.s)) { - error_setg(errp, "Error: Trying to create an image with the " - "same filename as the backing file"); - goto out; - } - } - - backing_fmt = get_option_parameter(param, BLOCK_OPT_BACKING_FMT); - if (backing_fmt && backing_fmt->value.s) { - backing_drv = bdrv_find_format(backing_fmt->value.s); - if (!backing_drv) { - error_setg(errp, "Unknown backing file format '%s'", - backing_fmt->value.s); - goto out; - } - } - - // The size for the image must always be specified, with one exception: - // If we are using a backing file, we can obtain the size from there - size = get_option_parameter(param, BLOCK_OPT_SIZE); - if (size && size->value.n == -1) { - if (backing_file && backing_file->value.s) { - uint64_t size; - char buf[32]; - int back_flags; - - /* backing files always opened read-only */ - back_flags = - flags & ~(BDRV_O_RDWR | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING); - - bs = bdrv_new(""); - - ret = bdrv_open(bs, backing_file->value.s, NULL, back_flags, - backing_drv); - if (ret < 0) { - error_setg_errno(errp, -ret, "Could not open '%s'", - backing_file->value.s); - goto out; - } - bdrv_get_geometry(bs, &size); - size *= 512; - - snprintf(buf, sizeof(buf), "%" PRId64, size); - set_option_parameter(param, BLOCK_OPT_SIZE, buf); - } else { - error_setg(errp, "Image creation needs a size parameter"); - goto out; - } - } - - if (!quiet) { - printf("Formatting '%s', fmt=%s ", filename, fmt); - print_option_parameters(param); - puts(""); - } - ret = bdrv_create(drv, filename, param); - if (ret < 0) { - if (ret == -ENOTSUP) { - error_setg(errp,"Formatting or formatting option not supported for " - "file format '%s'", fmt); - } else if (ret == -EFBIG) { - const char *cluster_size_hint = ""; - if (get_option_parameter(create_options, BLOCK_OPT_CLUSTER_SIZE)) { - cluster_size_hint = " (try using a larger cluster size)"; - } - error_setg(errp, "The image size is too large for file format '%s'%s", - fmt, cluster_size_hint); - } else { - error_setg(errp, "%s: error while creating %s: %s", filename, fmt, - strerror(-ret)); - } - } - -out: - free_option_parameters(create_options); - free_option_parameters(param); - - if (bs) { - bdrv_delete(bs); - } -} - -AioContext *bdrv_get_aio_context(BlockDriverState *bs) -{ - /* Currently BlockDriverState always uses the main loop AioContext */ - return qemu_get_aio_context(); -} - -void bdrv_add_before_write_notifier(BlockDriverState *bs, - NotifierWithReturn *notifier) -{ - notifier_with_return_list_add(&bs->before_write_notifiers, notifier); -} diff --git a/contrib/qemu/block/qcow.c b/contrib/qemu/block/qcow.c deleted file mode 100644 index 5239bd68f1c..00000000000 --- a/contrib/qemu/block/qcow.c +++ /dev/null @@ -1,914 +0,0 @@ -/* - * Block driver for the QCOW format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu-common.h" -#include "block/block_int.h" -#include "qemu/module.h" -#include <zlib.h> -#include "qemu/aes.h" -#include "migration/migration.h" - -/**************************************************************/ -/* QEMU COW block driver with compression and encryption support */ - -#define QCOW_MAGIC (('Q' << 24) | ('F' << 16) | ('I' << 8) | 0xfb) -#define QCOW_VERSION 1 - -#define QCOW_CRYPT_NONE 0 -#define QCOW_CRYPT_AES 1 - -#define QCOW_OFLAG_COMPRESSED (1LL << 63) - -typedef struct QCowHeader { - uint32_t magic; - uint32_t version; - uint64_t backing_file_offset; - uint32_t backing_file_size; - uint32_t mtime; - uint64_t size; /* in bytes */ - uint8_t cluster_bits; - uint8_t l2_bits; - uint32_t crypt_method; - uint64_t l1_table_offset; -} QCowHeader; - -#define L2_CACHE_SIZE 16 - -typedef struct BDRVQcowState { - int cluster_bits; - int cluster_size; - int cluster_sectors; - int l2_bits; - int l2_size; - int l1_size; - uint64_t cluster_offset_mask; - uint64_t l1_table_offset; - uint64_t *l1_table; - uint64_t *l2_cache; - uint64_t l2_cache_offsets[L2_CACHE_SIZE]; - uint32_t l2_cache_counts[L2_CACHE_SIZE]; - uint8_t *cluster_cache; - uint8_t *cluster_data; - uint64_t cluster_cache_offset; - uint32_t crypt_method; /* current crypt method, 0 if no key yet */ - uint32_t crypt_method_header; - AES_KEY aes_encrypt_key; - AES_KEY aes_decrypt_key; - CoMutex lock; - Error *migration_blocker; -} BDRVQcowState; - -static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset); - -static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename) -{ - const QCowHeader *cow_header = (const void *)buf; - - if (buf_size >= sizeof(QCowHeader) && - be32_to_cpu(cow_header->magic) == QCOW_MAGIC && - be32_to_cpu(cow_header->version) == QCOW_VERSION) - return 100; - else - return 0; -} - -static int qcow_open(BlockDriverState *bs, QDict *options, int flags) -{ - BDRVQcowState *s = bs->opaque; - int len, i, shift, ret; - QCowHeader header; - - ret = bdrv_pread(bs->file, 0, &header, sizeof(header)); - if (ret < 0) { - goto fail; - } - be32_to_cpus(&header.magic); - be32_to_cpus(&header.version); - be64_to_cpus(&header.backing_file_offset); - be32_to_cpus(&header.backing_file_size); - be32_to_cpus(&header.mtime); - be64_to_cpus(&header.size); - be32_to_cpus(&header.crypt_method); - be64_to_cpus(&header.l1_table_offset); - - if (header.magic != QCOW_MAGIC) { - ret = -EMEDIUMTYPE; - goto fail; - } - if (header.version != QCOW_VERSION) { - char version[64]; - snprintf(version, sizeof(version), "QCOW version %d", header.version); - qerror_report(QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "qcow", version); - ret = -ENOTSUP; - goto fail; - } - - if (header.size <= 1 || header.cluster_bits < 9) { - ret = -EINVAL; - goto fail; - } - if (header.crypt_method > QCOW_CRYPT_AES) { - ret = -EINVAL; - goto fail; - } - s->crypt_method_header = header.crypt_method; - if (s->crypt_method_header) { - bs->encrypted = 1; - } - s->cluster_bits = header.cluster_bits; - s->cluster_size = 1 << s->cluster_bits; - s->cluster_sectors = 1 << (s->cluster_bits - 9); - s->l2_bits = header.l2_bits; - s->l2_size = 1 << s->l2_bits; - bs->total_sectors = header.size / 512; - s->cluster_offset_mask = (1LL << (63 - s->cluster_bits)) - 1; - - /* read the level 1 table */ - shift = s->cluster_bits + s->l2_bits; - s->l1_size = (header.size + (1LL << shift) - 1) >> shift; - - s->l1_table_offset = header.l1_table_offset; - s->l1_table = g_malloc(s->l1_size * sizeof(uint64_t)); - - ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table, - s->l1_size * sizeof(uint64_t)); - if (ret < 0) { - goto fail; - } - - for(i = 0;i < s->l1_size; i++) { - be64_to_cpus(&s->l1_table[i]); - } - /* alloc L2 cache */ - s->l2_cache = g_malloc(s->l2_size * L2_CACHE_SIZE * sizeof(uint64_t)); - s->cluster_cache = g_malloc(s->cluster_size); - s->cluster_data = g_malloc(s->cluster_size); - s->cluster_cache_offset = -1; - - /* read the backing file name */ - if (header.backing_file_offset != 0) { - len = header.backing_file_size; - if (len > 1023) { - len = 1023; - } - ret = bdrv_pread(bs->file, header.backing_file_offset, - bs->backing_file, len); - if (ret < 0) { - goto fail; - } - bs->backing_file[len] = '\0'; - } - - /* Disable migration when qcow images are used */ - error_set(&s->migration_blocker, - QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "qcow", bs->device_name, "live migration"); - migrate_add_blocker(s->migration_blocker); - - qemu_co_mutex_init(&s->lock); - return 0; - - fail: - g_free(s->l1_table); - g_free(s->l2_cache); - g_free(s->cluster_cache); - g_free(s->cluster_data); - return ret; -} - - -/* We have nothing to do for QCOW reopen, stubs just return - * success */ -static int qcow_reopen_prepare(BDRVReopenState *state, - BlockReopenQueue *queue, Error **errp) -{ - return 0; -} - -static int qcow_set_key(BlockDriverState *bs, const char *key) -{ - BDRVQcowState *s = bs->opaque; - uint8_t keybuf[16]; - int len, i; - - memset(keybuf, 0, 16); - len = strlen(key); - if (len > 16) - len = 16; - /* XXX: we could compress the chars to 7 bits to increase - entropy */ - for(i = 0;i < len;i++) { - keybuf[i] = key[i]; - } - s->crypt_method = s->crypt_method_header; - - if (AES_set_encrypt_key(keybuf, 128, &s->aes_encrypt_key) != 0) - return -1; - if (AES_set_decrypt_key(keybuf, 128, &s->aes_decrypt_key) != 0) - return -1; - return 0; -} - -/* The crypt function is compatible with the linux cryptoloop - algorithm for < 4 GB images. NOTE: out_buf == in_buf is - supported */ -static void encrypt_sectors(BDRVQcowState *s, int64_t sector_num, - uint8_t *out_buf, const uint8_t *in_buf, - int nb_sectors, int enc, - const AES_KEY *key) -{ - union { - uint64_t ll[2]; - uint8_t b[16]; - } ivec; - int i; - - for(i = 0; i < nb_sectors; i++) { - ivec.ll[0] = cpu_to_le64(sector_num); - ivec.ll[1] = 0; - AES_cbc_encrypt(in_buf, out_buf, 512, key, - ivec.b, enc); - sector_num++; - in_buf += 512; - out_buf += 512; - } -} - -/* 'allocate' is: - * - * 0 to not allocate. - * - * 1 to allocate a normal cluster (for sector indexes 'n_start' to - * 'n_end') - * - * 2 to allocate a compressed cluster of size - * 'compressed_size'. 'compressed_size' must be > 0 and < - * cluster_size - * - * return 0 if not allocated. - */ -static uint64_t get_cluster_offset(BlockDriverState *bs, - uint64_t offset, int allocate, - int compressed_size, - int n_start, int n_end) -{ - BDRVQcowState *s = bs->opaque; - int min_index, i, j, l1_index, l2_index; - uint64_t l2_offset, *l2_table, cluster_offset, tmp; - uint32_t min_count; - int new_l2_table; - - l1_index = offset >> (s->l2_bits + s->cluster_bits); - l2_offset = s->l1_table[l1_index]; - new_l2_table = 0; - if (!l2_offset) { - if (!allocate) - return 0; - /* allocate a new l2 entry */ - l2_offset = bdrv_getlength(bs->file); - /* round to cluster size */ - l2_offset = (l2_offset + s->cluster_size - 1) & ~(s->cluster_size - 1); - /* update the L1 entry */ - s->l1_table[l1_index] = l2_offset; - tmp = cpu_to_be64(l2_offset); - if (bdrv_pwrite_sync(bs->file, - s->l1_table_offset + l1_index * sizeof(tmp), - &tmp, sizeof(tmp)) < 0) - return 0; - new_l2_table = 1; - } - for(i = 0; i < L2_CACHE_SIZE; i++) { - if (l2_offset == s->l2_cache_offsets[i]) { - /* increment the hit count */ - if (++s->l2_cache_counts[i] == 0xffffffff) { - for(j = 0; j < L2_CACHE_SIZE; j++) { - s->l2_cache_counts[j] >>= 1; - } - } - l2_table = s->l2_cache + (i << s->l2_bits); - goto found; - } - } - /* not found: load a new entry in the least used one */ - min_index = 0; - min_count = 0xffffffff; - for(i = 0; i < L2_CACHE_SIZE; i++) { - if (s->l2_cache_counts[i] < min_count) { - min_count = s->l2_cache_counts[i]; - min_index = i; - } - } - l2_table = s->l2_cache + (min_index << s->l2_bits); - if (new_l2_table) { - memset(l2_table, 0, s->l2_size * sizeof(uint64_t)); - if (bdrv_pwrite_sync(bs->file, l2_offset, l2_table, - s->l2_size * sizeof(uint64_t)) < 0) - return 0; - } else { - if (bdrv_pread(bs->file, l2_offset, l2_table, s->l2_size * sizeof(uint64_t)) != - s->l2_size * sizeof(uint64_t)) - return 0; - } - s->l2_cache_offsets[min_index] = l2_offset; - s->l2_cache_counts[min_index] = 1; - found: - l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1); - cluster_offset = be64_to_cpu(l2_table[l2_index]); - if (!cluster_offset || - ((cluster_offset & QCOW_OFLAG_COMPRESSED) && allocate == 1)) { - if (!allocate) - return 0; - /* allocate a new cluster */ - if ((cluster_offset & QCOW_OFLAG_COMPRESSED) && - (n_end - n_start) < s->cluster_sectors) { - /* if the cluster is already compressed, we must - decompress it in the case it is not completely - overwritten */ - if (decompress_cluster(bs, cluster_offset) < 0) - return 0; - cluster_offset = bdrv_getlength(bs->file); - cluster_offset = (cluster_offset + s->cluster_size - 1) & - ~(s->cluster_size - 1); - /* write the cluster content */ - if (bdrv_pwrite(bs->file, cluster_offset, s->cluster_cache, s->cluster_size) != - s->cluster_size) - return -1; - } else { - cluster_offset = bdrv_getlength(bs->file); - if (allocate == 1) { - /* round to cluster size */ - cluster_offset = (cluster_offset + s->cluster_size - 1) & - ~(s->cluster_size - 1); - bdrv_truncate(bs->file, cluster_offset + s->cluster_size); - /* if encrypted, we must initialize the cluster - content which won't be written */ - if (s->crypt_method && - (n_end - n_start) < s->cluster_sectors) { - uint64_t start_sect; - start_sect = (offset & ~(s->cluster_size - 1)) >> 9; - memset(s->cluster_data + 512, 0x00, 512); - for(i = 0; i < s->cluster_sectors; i++) { - if (i < n_start || i >= n_end) { - encrypt_sectors(s, start_sect + i, - s->cluster_data, - s->cluster_data + 512, 1, 1, - &s->aes_encrypt_key); - if (bdrv_pwrite(bs->file, cluster_offset + i * 512, - s->cluster_data, 512) != 512) - return -1; - } - } - } - } else if (allocate == 2) { - cluster_offset |= QCOW_OFLAG_COMPRESSED | - (uint64_t)compressed_size << (63 - s->cluster_bits); - } - } - /* update L2 table */ - tmp = cpu_to_be64(cluster_offset); - l2_table[l2_index] = tmp; - if (bdrv_pwrite_sync(bs->file, l2_offset + l2_index * sizeof(tmp), - &tmp, sizeof(tmp)) < 0) - return 0; - } - return cluster_offset; -} - -static int coroutine_fn qcow_co_is_allocated(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, int *pnum) -{ - BDRVQcowState *s = bs->opaque; - int index_in_cluster, n; - uint64_t cluster_offset; - - qemu_co_mutex_lock(&s->lock); - cluster_offset = get_cluster_offset(bs, sector_num << 9, 0, 0, 0, 0); - qemu_co_mutex_unlock(&s->lock); - index_in_cluster = sector_num & (s->cluster_sectors - 1); - n = s->cluster_sectors - index_in_cluster; - if (n > nb_sectors) - n = nb_sectors; - *pnum = n; - return (cluster_offset != 0); -} - -static int decompress_buffer(uint8_t *out_buf, int out_buf_size, - const uint8_t *buf, int buf_size) -{ - z_stream strm1, *strm = &strm1; - int ret, out_len; - - memset(strm, 0, sizeof(*strm)); - - strm->next_in = (uint8_t *)buf; - strm->avail_in = buf_size; - strm->next_out = out_buf; - strm->avail_out = out_buf_size; - - ret = inflateInit2(strm, -12); - if (ret != Z_OK) - return -1; - ret = inflate(strm, Z_FINISH); - out_len = strm->next_out - out_buf; - if ((ret != Z_STREAM_END && ret != Z_BUF_ERROR) || - out_len != out_buf_size) { - inflateEnd(strm); - return -1; - } - inflateEnd(strm); - return 0; -} - -static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset) -{ - BDRVQcowState *s = bs->opaque; - int ret, csize; - uint64_t coffset; - - coffset = cluster_offset & s->cluster_offset_mask; - if (s->cluster_cache_offset != coffset) { - csize = cluster_offset >> (63 - s->cluster_bits); - csize &= (s->cluster_size - 1); - ret = bdrv_pread(bs->file, coffset, s->cluster_data, csize); - if (ret != csize) - return -1; - if (decompress_buffer(s->cluster_cache, s->cluster_size, - s->cluster_data, csize) < 0) { - return -1; - } - s->cluster_cache_offset = coffset; - } - return 0; -} - -static coroutine_fn int qcow_co_readv(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov) -{ - BDRVQcowState *s = bs->opaque; - int index_in_cluster; - int ret = 0, n; - uint64_t cluster_offset; - struct iovec hd_iov; - QEMUIOVector hd_qiov; - uint8_t *buf; - void *orig_buf; - - if (qiov->niov > 1) { - buf = orig_buf = qemu_blockalign(bs, qiov->size); - } else { - orig_buf = NULL; - buf = (uint8_t *)qiov->iov->iov_base; - } - - qemu_co_mutex_lock(&s->lock); - - while (nb_sectors != 0) { - /* prepare next request */ - cluster_offset = get_cluster_offset(bs, sector_num << 9, - 0, 0, 0, 0); - index_in_cluster = sector_num & (s->cluster_sectors - 1); - n = s->cluster_sectors - index_in_cluster; - if (n > nb_sectors) { - n = nb_sectors; - } - - if (!cluster_offset) { - if (bs->backing_hd) { - /* read from the base image */ - hd_iov.iov_base = (void *)buf; - hd_iov.iov_len = n * 512; - qemu_iovec_init_external(&hd_qiov, &hd_iov, 1); - qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_readv(bs->backing_hd, sector_num, - n, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - goto fail; - } - } else { - /* Note: in this case, no need to wait */ - memset(buf, 0, 512 * n); - } - } else if (cluster_offset & QCOW_OFLAG_COMPRESSED) { - /* add AIO support for compressed blocks ? */ - if (decompress_cluster(bs, cluster_offset) < 0) { - goto fail; - } - memcpy(buf, - s->cluster_cache + index_in_cluster * 512, 512 * n); - } else { - if ((cluster_offset & 511) != 0) { - goto fail; - } - hd_iov.iov_base = (void *)buf; - hd_iov.iov_len = n * 512; - qemu_iovec_init_external(&hd_qiov, &hd_iov, 1); - qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_readv(bs->file, - (cluster_offset >> 9) + index_in_cluster, - n, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - break; - } - if (s->crypt_method) { - encrypt_sectors(s, sector_num, buf, buf, - n, 0, - &s->aes_decrypt_key); - } - } - ret = 0; - - nb_sectors -= n; - sector_num += n; - buf += n * 512; - } - -done: - qemu_co_mutex_unlock(&s->lock); - - if (qiov->niov > 1) { - qemu_iovec_from_buf(qiov, 0, orig_buf, qiov->size); - qemu_vfree(orig_buf); - } - - return ret; - -fail: - ret = -EIO; - goto done; -} - -static coroutine_fn int qcow_co_writev(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov) -{ - BDRVQcowState *s = bs->opaque; - int index_in_cluster; - uint64_t cluster_offset; - const uint8_t *src_buf; - int ret = 0, n; - uint8_t *cluster_data = NULL; - struct iovec hd_iov; - QEMUIOVector hd_qiov; - uint8_t *buf; - void *orig_buf; - - s->cluster_cache_offset = -1; /* disable compressed cache */ - - if (qiov->niov > 1) { - buf = orig_buf = qemu_blockalign(bs, qiov->size); - qemu_iovec_to_buf(qiov, 0, buf, qiov->size); - } else { - orig_buf = NULL; - buf = (uint8_t *)qiov->iov->iov_base; - } - - qemu_co_mutex_lock(&s->lock); - - while (nb_sectors != 0) { - - index_in_cluster = sector_num & (s->cluster_sectors - 1); - n = s->cluster_sectors - index_in_cluster; - if (n > nb_sectors) { - n = nb_sectors; - } - cluster_offset = get_cluster_offset(bs, sector_num << 9, 1, 0, - index_in_cluster, - index_in_cluster + n); - if (!cluster_offset || (cluster_offset & 511) != 0) { - ret = -EIO; - break; - } - if (s->crypt_method) { - if (!cluster_data) { - cluster_data = g_malloc0(s->cluster_size); - } - encrypt_sectors(s, sector_num, cluster_data, buf, - n, 1, &s->aes_encrypt_key); - src_buf = cluster_data; - } else { - src_buf = buf; - } - - hd_iov.iov_base = (void *)src_buf; - hd_iov.iov_len = n * 512; - qemu_iovec_init_external(&hd_qiov, &hd_iov, 1); - qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_writev(bs->file, - (cluster_offset >> 9) + index_in_cluster, - n, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - break; - } - ret = 0; - - nb_sectors -= n; - sector_num += n; - buf += n * 512; - } - qemu_co_mutex_unlock(&s->lock); - - if (qiov->niov > 1) { - qemu_vfree(orig_buf); - } - g_free(cluster_data); - - return ret; -} - -static void qcow_close(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - - g_free(s->l1_table); - g_free(s->l2_cache); - g_free(s->cluster_cache); - g_free(s->cluster_data); - - migrate_del_blocker(s->migration_blocker); - error_free(s->migration_blocker); -} - -static int qcow_create(const char *filename, QEMUOptionParameter *options) -{ - int header_size, backing_filename_len, l1_size, shift, i; - QCowHeader header; - uint8_t *tmp; - int64_t total_size = 0; - const char *backing_file = NULL; - int flags = 0; - int ret; - BlockDriverState *qcow_bs; - - /* Read out options */ - while (options && options->name) { - if (!strcmp(options->name, BLOCK_OPT_SIZE)) { - total_size = options->value.n / 512; - } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) { - backing_file = options->value.s; - } else if (!strcmp(options->name, BLOCK_OPT_ENCRYPT)) { - flags |= options->value.n ? BLOCK_FLAG_ENCRYPT : 0; - } - options++; - } - - ret = bdrv_create_file(filename, options); - if (ret < 0) { - return ret; - } - - ret = bdrv_file_open(&qcow_bs, filename, NULL, BDRV_O_RDWR); - if (ret < 0) { - return ret; - } - - ret = bdrv_truncate(qcow_bs, 0); - if (ret < 0) { - goto exit; - } - - memset(&header, 0, sizeof(header)); - header.magic = cpu_to_be32(QCOW_MAGIC); - header.version = cpu_to_be32(QCOW_VERSION); - header.size = cpu_to_be64(total_size * 512); - header_size = sizeof(header); - backing_filename_len = 0; - if (backing_file) { - if (strcmp(backing_file, "fat:")) { - header.backing_file_offset = cpu_to_be64(header_size); - backing_filename_len = strlen(backing_file); - header.backing_file_size = cpu_to_be32(backing_filename_len); - header_size += backing_filename_len; - } else { - /* special backing file for vvfat */ - backing_file = NULL; - } - header.cluster_bits = 9; /* 512 byte cluster to avoid copying - unmodifyed sectors */ - header.l2_bits = 12; /* 32 KB L2 tables */ - } else { - header.cluster_bits = 12; /* 4 KB clusters */ - header.l2_bits = 9; /* 4 KB L2 tables */ - } - header_size = (header_size + 7) & ~7; - shift = header.cluster_bits + header.l2_bits; - l1_size = ((total_size * 512) + (1LL << shift) - 1) >> shift; - - header.l1_table_offset = cpu_to_be64(header_size); - if (flags & BLOCK_FLAG_ENCRYPT) { - header.crypt_method = cpu_to_be32(QCOW_CRYPT_AES); - } else { - header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE); - } - - /* write all the data */ - ret = bdrv_pwrite(qcow_bs, 0, &header, sizeof(header)); - if (ret != sizeof(header)) { - goto exit; - } - - if (backing_file) { - ret = bdrv_pwrite(qcow_bs, sizeof(header), - backing_file, backing_filename_len); - if (ret != backing_filename_len) { - goto exit; - } - } - - tmp = g_malloc0(BDRV_SECTOR_SIZE); - for (i = 0; i < ((sizeof(uint64_t)*l1_size + BDRV_SECTOR_SIZE - 1)/ - BDRV_SECTOR_SIZE); i++) { - ret = bdrv_pwrite(qcow_bs, header_size + - BDRV_SECTOR_SIZE*i, tmp, BDRV_SECTOR_SIZE); - if (ret != BDRV_SECTOR_SIZE) { - g_free(tmp); - goto exit; - } - } - - g_free(tmp); - ret = 0; -exit: - bdrv_delete(qcow_bs); - return ret; -} - -static int qcow_make_empty(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - uint32_t l1_length = s->l1_size * sizeof(uint64_t); - int ret; - - memset(s->l1_table, 0, l1_length); - if (bdrv_pwrite_sync(bs->file, s->l1_table_offset, s->l1_table, - l1_length) < 0) - return -1; - ret = bdrv_truncate(bs->file, s->l1_table_offset + l1_length); - if (ret < 0) - return ret; - - memset(s->l2_cache, 0, s->l2_size * L2_CACHE_SIZE * sizeof(uint64_t)); - memset(s->l2_cache_offsets, 0, L2_CACHE_SIZE * sizeof(uint64_t)); - memset(s->l2_cache_counts, 0, L2_CACHE_SIZE * sizeof(uint32_t)); - - return 0; -} - -/* XXX: put compressed sectors first, then all the cluster aligned - tables to avoid losing bytes in alignment */ -static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors) -{ - BDRVQcowState *s = bs->opaque; - z_stream strm; - int ret, out_len; - uint8_t *out_buf; - uint64_t cluster_offset; - - if (nb_sectors != s->cluster_sectors) { - ret = -EINVAL; - - /* Zero-pad last write if image size is not cluster aligned */ - if (sector_num + nb_sectors == bs->total_sectors && - nb_sectors < s->cluster_sectors) { - uint8_t *pad_buf = qemu_blockalign(bs, s->cluster_size); - memset(pad_buf, 0, s->cluster_size); - memcpy(pad_buf, buf, nb_sectors * BDRV_SECTOR_SIZE); - ret = qcow_write_compressed(bs, sector_num, - pad_buf, s->cluster_sectors); - qemu_vfree(pad_buf); - } - return ret; - } - - out_buf = g_malloc(s->cluster_size + (s->cluster_size / 1000) + 128); - - /* best compression, small window, no zlib header */ - memset(&strm, 0, sizeof(strm)); - ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, - Z_DEFLATED, -12, - 9, Z_DEFAULT_STRATEGY); - if (ret != 0) { - ret = -EINVAL; - goto fail; - } - - strm.avail_in = s->cluster_size; - strm.next_in = (uint8_t *)buf; - strm.avail_out = s->cluster_size; - strm.next_out = out_buf; - - ret = deflate(&strm, Z_FINISH); - if (ret != Z_STREAM_END && ret != Z_OK) { - deflateEnd(&strm); - ret = -EINVAL; - goto fail; - } - out_len = strm.next_out - out_buf; - - deflateEnd(&strm); - - if (ret != Z_STREAM_END || out_len >= s->cluster_size) { - /* could not compress: write normal cluster */ - ret = bdrv_write(bs, sector_num, buf, s->cluster_sectors); - if (ret < 0) { - goto fail; - } - } else { - cluster_offset = get_cluster_offset(bs, sector_num << 9, 2, - out_len, 0, 0); - if (cluster_offset == 0) { - ret = -EIO; - goto fail; - } - - cluster_offset &= s->cluster_offset_mask; - ret = bdrv_pwrite(bs->file, cluster_offset, out_buf, out_len); - if (ret < 0) { - goto fail; - } - } - - ret = 0; -fail: - g_free(out_buf); - return ret; -} - -static int qcow_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) -{ - BDRVQcowState *s = bs->opaque; - bdi->cluster_size = s->cluster_size; - return 0; -} - - -static QEMUOptionParameter qcow_create_options[] = { - { - .name = BLOCK_OPT_SIZE, - .type = OPT_SIZE, - .help = "Virtual disk size" - }, - { - .name = BLOCK_OPT_BACKING_FILE, - .type = OPT_STRING, - .help = "File name of a base image" - }, - { - .name = BLOCK_OPT_ENCRYPT, - .type = OPT_FLAG, - .help = "Encrypt the image" - }, - { NULL } -}; - -static BlockDriver bdrv_qcow = { - .format_name = "qcow", - .instance_size = sizeof(BDRVQcowState), - .bdrv_probe = qcow_probe, - .bdrv_open = qcow_open, - .bdrv_close = qcow_close, - .bdrv_reopen_prepare = qcow_reopen_prepare, - .bdrv_create = qcow_create, - .bdrv_has_zero_init = bdrv_has_zero_init_1, - - .bdrv_co_readv = qcow_co_readv, - .bdrv_co_writev = qcow_co_writev, - .bdrv_co_is_allocated = qcow_co_is_allocated, - - .bdrv_set_key = qcow_set_key, - .bdrv_make_empty = qcow_make_empty, - .bdrv_write_compressed = qcow_write_compressed, - .bdrv_get_info = qcow_get_info, - - .create_options = qcow_create_options, -}; - -static void bdrv_qcow_init(void) -{ - bdrv_register(&bdrv_qcow); -} - -block_init(bdrv_qcow_init); diff --git a/contrib/qemu/block/qcow2-cache.c b/contrib/qemu/block/qcow2-cache.c deleted file mode 100644 index 2f3114ecc24..00000000000 --- a/contrib/qemu/block/qcow2-cache.c +++ /dev/null @@ -1,323 +0,0 @@ -/* - * L2/refcount table cache for the QCOW2 format - * - * Copyright (c) 2010 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "block/block_int.h" -#include "qemu-common.h" -#include "qcow2.h" -#include "trace.h" - -typedef struct Qcow2CachedTable { - void* table; - int64_t offset; - bool dirty; - int cache_hits; - int ref; -} Qcow2CachedTable; - -struct Qcow2Cache { - Qcow2CachedTable* entries; - struct Qcow2Cache* depends; - int size; - bool depends_on_flush; -}; - -Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables) -{ - BDRVQcowState *s = bs->opaque; - Qcow2Cache *c; - int i; - - c = g_malloc0(sizeof(*c)); - c->size = num_tables; - c->entries = g_malloc0(sizeof(*c->entries) * num_tables); - - for (i = 0; i < c->size; i++) { - c->entries[i].table = qemu_blockalign(bs, s->cluster_size); - } - - return c; -} - -int qcow2_cache_destroy(BlockDriverState* bs, Qcow2Cache *c) -{ - int i; - - for (i = 0; i < c->size; i++) { - assert(c->entries[i].ref == 0); - qemu_vfree(c->entries[i].table); - } - - g_free(c->entries); - g_free(c); - - return 0; -} - -static int qcow2_cache_flush_dependency(BlockDriverState *bs, Qcow2Cache *c) -{ - int ret; - - ret = qcow2_cache_flush(bs, c->depends); - if (ret < 0) { - return ret; - } - - c->depends = NULL; - c->depends_on_flush = false; - - return 0; -} - -static int qcow2_cache_entry_flush(BlockDriverState *bs, Qcow2Cache *c, int i) -{ - BDRVQcowState *s = bs->opaque; - int ret = 0; - - if (!c->entries[i].dirty || !c->entries[i].offset) { - return 0; - } - - trace_qcow2_cache_entry_flush(qemu_coroutine_self(), - c == s->l2_table_cache, i); - - if (c->depends) { - ret = qcow2_cache_flush_dependency(bs, c); - } else if (c->depends_on_flush) { - ret = bdrv_flush(bs->file); - if (ret >= 0) { - c->depends_on_flush = false; - } - } - - if (ret < 0) { - return ret; - } - - if (c == s->refcount_block_cache) { - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_UPDATE_PART); - } else if (c == s->l2_table_cache) { - BLKDBG_EVENT(bs->file, BLKDBG_L2_UPDATE); - } - - ret = bdrv_pwrite(bs->file, c->entries[i].offset, c->entries[i].table, - s->cluster_size); - if (ret < 0) { - return ret; - } - - c->entries[i].dirty = false; - - return 0; -} - -int qcow2_cache_flush(BlockDriverState *bs, Qcow2Cache *c) -{ - BDRVQcowState *s = bs->opaque; - int result = 0; - int ret; - int i; - - trace_qcow2_cache_flush(qemu_coroutine_self(), c == s->l2_table_cache); - - for (i = 0; i < c->size; i++) { - ret = qcow2_cache_entry_flush(bs, c, i); - if (ret < 0 && result != -ENOSPC) { - result = ret; - } - } - - if (result == 0) { - ret = bdrv_flush(bs->file); - if (ret < 0) { - result = ret; - } - } - - return result; -} - -int qcow2_cache_set_dependency(BlockDriverState *bs, Qcow2Cache *c, - Qcow2Cache *dependency) -{ - int ret; - - if (dependency->depends) { - ret = qcow2_cache_flush_dependency(bs, dependency); - if (ret < 0) { - return ret; - } - } - - if (c->depends && (c->depends != dependency)) { - ret = qcow2_cache_flush_dependency(bs, c); - if (ret < 0) { - return ret; - } - } - - c->depends = dependency; - return 0; -} - -void qcow2_cache_depends_on_flush(Qcow2Cache *c) -{ - c->depends_on_flush = true; -} - -static int qcow2_cache_find_entry_to_replace(Qcow2Cache *c) -{ - int i; - int min_count = INT_MAX; - int min_index = -1; - - - for (i = 0; i < c->size; i++) { - if (c->entries[i].ref) { - continue; - } - - if (c->entries[i].cache_hits < min_count) { - min_index = i; - min_count = c->entries[i].cache_hits; - } - - /* Give newer hits priority */ - /* TODO Check how to optimize the replacement strategy */ - c->entries[i].cache_hits /= 2; - } - - if (min_index == -1) { - /* This can't happen in current synchronous code, but leave the check - * here as a reminder for whoever starts using AIO with the cache */ - abort(); - } - return min_index; -} - -static int qcow2_cache_do_get(BlockDriverState *bs, Qcow2Cache *c, - uint64_t offset, void **table, bool read_from_disk) -{ - BDRVQcowState *s = bs->opaque; - int i; - int ret; - - trace_qcow2_cache_get(qemu_coroutine_self(), c == s->l2_table_cache, - offset, read_from_disk); - - /* Check if the table is already cached */ - for (i = 0; i < c->size; i++) { - if (c->entries[i].offset == offset) { - goto found; - } - } - - /* If not, write a table back and replace it */ - i = qcow2_cache_find_entry_to_replace(c); - trace_qcow2_cache_get_replace_entry(qemu_coroutine_self(), - c == s->l2_table_cache, i); - if (i < 0) { - return i; - } - - ret = qcow2_cache_entry_flush(bs, c, i); - if (ret < 0) { - return ret; - } - - trace_qcow2_cache_get_read(qemu_coroutine_self(), - c == s->l2_table_cache, i); - c->entries[i].offset = 0; - if (read_from_disk) { - if (c == s->l2_table_cache) { - BLKDBG_EVENT(bs->file, BLKDBG_L2_LOAD); - } - - ret = bdrv_pread(bs->file, offset, c->entries[i].table, s->cluster_size); - if (ret < 0) { - return ret; - } - } - - /* Give the table some hits for the start so that it won't be replaced - * immediately. The number 32 is completely arbitrary. */ - c->entries[i].cache_hits = 32; - c->entries[i].offset = offset; - - /* And return the right table */ -found: - c->entries[i].cache_hits++; - c->entries[i].ref++; - *table = c->entries[i].table; - - trace_qcow2_cache_get_done(qemu_coroutine_self(), - c == s->l2_table_cache, i); - - return 0; -} - -int qcow2_cache_get(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table) -{ - return qcow2_cache_do_get(bs, c, offset, table, true); -} - -int qcow2_cache_get_empty(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table) -{ - return qcow2_cache_do_get(bs, c, offset, table, false); -} - -int qcow2_cache_put(BlockDriverState *bs, Qcow2Cache *c, void **table) -{ - int i; - - for (i = 0; i < c->size; i++) { - if (c->entries[i].table == *table) { - goto found; - } - } - return -ENOENT; - -found: - c->entries[i].ref--; - *table = NULL; - - assert(c->entries[i].ref >= 0); - return 0; -} - -void qcow2_cache_entry_mark_dirty(Qcow2Cache *c, void *table) -{ - int i; - - for (i = 0; i < c->size; i++) { - if (c->entries[i].table == table) { - goto found; - } - } - abort(); - -found: - c->entries[i].dirty = true; -} diff --git a/contrib/qemu/block/qcow2-cluster.c b/contrib/qemu/block/qcow2-cluster.c deleted file mode 100644 index cca76d4fcdd..00000000000 --- a/contrib/qemu/block/qcow2-cluster.c +++ /dev/null @@ -1,1478 +0,0 @@ -/* - * Block driver for the QCOW version 2 format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include <zlib.h> - -#include "qemu-common.h" -#include "block/block_int.h" -#include "block/qcow2.h" -#include "trace.h" - -int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, - bool exact_size) -{ - BDRVQcowState *s = bs->opaque; - int new_l1_size2, ret, i; - uint64_t *new_l1_table; - int64_t new_l1_table_offset, new_l1_size; - uint8_t data[12]; - - if (min_size <= s->l1_size) - return 0; - - if (exact_size) { - new_l1_size = min_size; - } else { - /* Bump size up to reduce the number of times we have to grow */ - new_l1_size = s->l1_size; - if (new_l1_size == 0) { - new_l1_size = 1; - } - while (min_size > new_l1_size) { - new_l1_size = (new_l1_size * 3 + 1) / 2; - } - } - - if (new_l1_size > INT_MAX) { - return -EFBIG; - } - -#ifdef DEBUG_ALLOC2 - fprintf(stderr, "grow l1_table from %d to %" PRId64 "\n", - s->l1_size, new_l1_size); -#endif - - new_l1_size2 = sizeof(uint64_t) * new_l1_size; - new_l1_table = g_malloc0(align_offset(new_l1_size2, 512)); - memcpy(new_l1_table, s->l1_table, s->l1_size * sizeof(uint64_t)); - - /* write new table (align to cluster) */ - BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_ALLOC_TABLE); - new_l1_table_offset = qcow2_alloc_clusters(bs, new_l1_size2); - if (new_l1_table_offset < 0) { - g_free(new_l1_table); - return new_l1_table_offset; - } - - ret = qcow2_cache_flush(bs, s->refcount_block_cache); - if (ret < 0) { - goto fail; - } - - BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_WRITE_TABLE); - for(i = 0; i < s->l1_size; i++) - new_l1_table[i] = cpu_to_be64(new_l1_table[i]); - ret = bdrv_pwrite_sync(bs->file, new_l1_table_offset, new_l1_table, new_l1_size2); - if (ret < 0) - goto fail; - for(i = 0; i < s->l1_size; i++) - new_l1_table[i] = be64_to_cpu(new_l1_table[i]); - - /* set new table */ - BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_ACTIVATE_TABLE); - cpu_to_be32w((uint32_t*)data, new_l1_size); - cpu_to_be64wu((uint64_t*)(data + 4), new_l1_table_offset); - ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, l1_size), data,sizeof(data)); - if (ret < 0) { - goto fail; - } - g_free(s->l1_table); - qcow2_free_clusters(bs, s->l1_table_offset, s->l1_size * sizeof(uint64_t), - QCOW2_DISCARD_OTHER); - s->l1_table_offset = new_l1_table_offset; - s->l1_table = new_l1_table; - s->l1_size = new_l1_size; - return 0; - fail: - g_free(new_l1_table); - qcow2_free_clusters(bs, new_l1_table_offset, new_l1_size2, - QCOW2_DISCARD_OTHER); - return ret; -} - -/* - * l2_load - * - * Loads a L2 table into memory. If the table is in the cache, the cache - * is used; otherwise the L2 table is loaded from the image file. - * - * Returns a pointer to the L2 table on success, or NULL if the read from - * the image file failed. - */ - -static int l2_load(BlockDriverState *bs, uint64_t l2_offset, - uint64_t **l2_table) -{ - BDRVQcowState *s = bs->opaque; - int ret; - - ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset, (void**) l2_table); - - return ret; -} - -/* - * Writes one sector of the L1 table to the disk (can't update single entries - * and we really don't want bdrv_pread to perform a read-modify-write) - */ -#define L1_ENTRIES_PER_SECTOR (512 / 8) -static int write_l1_entry(BlockDriverState *bs, int l1_index) -{ - BDRVQcowState *s = bs->opaque; - uint64_t buf[L1_ENTRIES_PER_SECTOR]; - int l1_start_index; - int i, ret; - - l1_start_index = l1_index & ~(L1_ENTRIES_PER_SECTOR - 1); - for (i = 0; i < L1_ENTRIES_PER_SECTOR; i++) { - buf[i] = cpu_to_be64(s->l1_table[l1_start_index + i]); - } - - BLKDBG_EVENT(bs->file, BLKDBG_L1_UPDATE); - ret = bdrv_pwrite_sync(bs->file, s->l1_table_offset + 8 * l1_start_index, - buf, sizeof(buf)); - if (ret < 0) { - return ret; - } - - return 0; -} - -/* - * l2_allocate - * - * Allocate a new l2 entry in the file. If l1_index points to an already - * used entry in the L2 table (i.e. we are doing a copy on write for the L2 - * table) copy the contents of the old L2 table into the newly allocated one. - * Otherwise the new table is initialized with zeros. - * - */ - -static int l2_allocate(BlockDriverState *bs, int l1_index, uint64_t **table) -{ - BDRVQcowState *s = bs->opaque; - uint64_t old_l2_offset; - uint64_t *l2_table; - int64_t l2_offset; - int ret; - - old_l2_offset = s->l1_table[l1_index]; - - trace_qcow2_l2_allocate(bs, l1_index); - - /* allocate a new l2 entry */ - - l2_offset = qcow2_alloc_clusters(bs, s->l2_size * sizeof(uint64_t)); - if (l2_offset < 0) { - return l2_offset; - } - - ret = qcow2_cache_flush(bs, s->refcount_block_cache); - if (ret < 0) { - goto fail; - } - - /* allocate a new entry in the l2 cache */ - - trace_qcow2_l2_allocate_get_empty(bs, l1_index); - ret = qcow2_cache_get_empty(bs, s->l2_table_cache, l2_offset, (void**) table); - if (ret < 0) { - return ret; - } - - l2_table = *table; - - if ((old_l2_offset & L1E_OFFSET_MASK) == 0) { - /* if there was no old l2 table, clear the new table */ - memset(l2_table, 0, s->l2_size * sizeof(uint64_t)); - } else { - uint64_t* old_table; - - /* if there was an old l2 table, read it from the disk */ - BLKDBG_EVENT(bs->file, BLKDBG_L2_ALLOC_COW_READ); - ret = qcow2_cache_get(bs, s->l2_table_cache, - old_l2_offset & L1E_OFFSET_MASK, - (void**) &old_table); - if (ret < 0) { - goto fail; - } - - memcpy(l2_table, old_table, s->cluster_size); - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &old_table); - if (ret < 0) { - goto fail; - } - } - - /* write the l2 table to the file */ - BLKDBG_EVENT(bs->file, BLKDBG_L2_ALLOC_WRITE); - - trace_qcow2_l2_allocate_write_l2(bs, l1_index); - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - ret = qcow2_cache_flush(bs, s->l2_table_cache); - if (ret < 0) { - goto fail; - } - - /* update the L1 entry */ - trace_qcow2_l2_allocate_write_l1(bs, l1_index); - s->l1_table[l1_index] = l2_offset | QCOW_OFLAG_COPIED; - ret = write_l1_entry(bs, l1_index); - if (ret < 0) { - goto fail; - } - - *table = l2_table; - trace_qcow2_l2_allocate_done(bs, l1_index, 0); - return 0; - -fail: - trace_qcow2_l2_allocate_done(bs, l1_index, ret); - qcow2_cache_put(bs, s->l2_table_cache, (void**) table); - s->l1_table[l1_index] = old_l2_offset; - return ret; -} - -/* - * Checks how many clusters in a given L2 table are contiguous in the image - * file. As soon as one of the flags in the bitmask stop_flags changes compared - * to the first cluster, the search is stopped and the cluster is not counted - * as contiguous. (This allows it, for example, to stop at the first compressed - * cluster which may require a different handling) - */ -static int count_contiguous_clusters(uint64_t nb_clusters, int cluster_size, - uint64_t *l2_table, uint64_t start, uint64_t stop_flags) -{ - int i; - uint64_t mask = stop_flags | L2E_OFFSET_MASK; - uint64_t offset = be64_to_cpu(l2_table[0]) & mask; - - if (!offset) - return 0; - - for (i = start; i < start + nb_clusters; i++) { - uint64_t l2_entry = be64_to_cpu(l2_table[i]) & mask; - if (offset + (uint64_t) i * cluster_size != l2_entry) { - break; - } - } - - return (i - start); -} - -static int count_contiguous_free_clusters(uint64_t nb_clusters, uint64_t *l2_table) -{ - int i; - - for (i = 0; i < nb_clusters; i++) { - int type = qcow2_get_cluster_type(be64_to_cpu(l2_table[i])); - - if (type != QCOW2_CLUSTER_UNALLOCATED) { - break; - } - } - - return i; -} - -/* The crypt function is compatible with the linux cryptoloop - algorithm for < 4 GB images. NOTE: out_buf == in_buf is - supported */ -void qcow2_encrypt_sectors(BDRVQcowState *s, int64_t sector_num, - uint8_t *out_buf, const uint8_t *in_buf, - int nb_sectors, int enc, - const AES_KEY *key) -{ - union { - uint64_t ll[2]; - uint8_t b[16]; - } ivec; - int i; - - for(i = 0; i < nb_sectors; i++) { - ivec.ll[0] = cpu_to_le64(sector_num); - ivec.ll[1] = 0; - AES_cbc_encrypt(in_buf, out_buf, 512, key, - ivec.b, enc); - sector_num++; - in_buf += 512; - out_buf += 512; - } -} - -static int coroutine_fn copy_sectors(BlockDriverState *bs, - uint64_t start_sect, - uint64_t cluster_offset, - int n_start, int n_end) -{ - BDRVQcowState *s = bs->opaque; - QEMUIOVector qiov; - struct iovec iov; - int n, ret; - - /* - * If this is the last cluster and it is only partially used, we must only - * copy until the end of the image, or bdrv_check_request will fail for the - * bdrv_read/write calls below. - */ - if (start_sect + n_end > bs->total_sectors) { - n_end = bs->total_sectors - start_sect; - } - - n = n_end - n_start; - if (n <= 0) { - return 0; - } - - iov.iov_len = n * BDRV_SECTOR_SIZE; - iov.iov_base = qemu_blockalign(bs, iov.iov_len); - - qemu_iovec_init_external(&qiov, &iov, 1); - - BLKDBG_EVENT(bs->file, BLKDBG_COW_READ); - - /* Call .bdrv_co_readv() directly instead of using the public block-layer - * interface. This avoids double I/O throttling and request tracking, - * which can lead to deadlock when block layer copy-on-read is enabled. - */ - ret = bs->drv->bdrv_co_readv(bs, start_sect + n_start, n, &qiov); - if (ret < 0) { - goto out; - } - - if (s->crypt_method) { - qcow2_encrypt_sectors(s, start_sect + n_start, - iov.iov_base, iov.iov_base, n, 1, - &s->aes_encrypt_key); - } - - BLKDBG_EVENT(bs->file, BLKDBG_COW_WRITE); - ret = bdrv_co_writev(bs->file, (cluster_offset >> 9) + n_start, n, &qiov); - if (ret < 0) { - goto out; - } - - ret = 0; -out: - qemu_vfree(iov.iov_base); - return ret; -} - - -/* - * get_cluster_offset - * - * For a given offset of the disk image, find the cluster offset in - * qcow2 file. The offset is stored in *cluster_offset. - * - * on entry, *num is the number of contiguous sectors we'd like to - * access following offset. - * - * on exit, *num is the number of contiguous sectors we can read. - * - * Returns the cluster type (QCOW2_CLUSTER_*) on success, -errno in error - * cases. - */ -int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset, - int *num, uint64_t *cluster_offset) -{ - BDRVQcowState *s = bs->opaque; - unsigned int l2_index; - uint64_t l1_index, l2_offset, *l2_table; - int l1_bits, c; - unsigned int index_in_cluster, nb_clusters; - uint64_t nb_available, nb_needed; - int ret; - - index_in_cluster = (offset >> 9) & (s->cluster_sectors - 1); - nb_needed = *num + index_in_cluster; - - l1_bits = s->l2_bits + s->cluster_bits; - - /* compute how many bytes there are between the offset and - * the end of the l1 entry - */ - - nb_available = (1ULL << l1_bits) - (offset & ((1ULL << l1_bits) - 1)); - - /* compute the number of available sectors */ - - nb_available = (nb_available >> 9) + index_in_cluster; - - if (nb_needed > nb_available) { - nb_needed = nb_available; - } - - *cluster_offset = 0; - - /* seek the the l2 offset in the l1 table */ - - l1_index = offset >> l1_bits; - if (l1_index >= s->l1_size) { - ret = QCOW2_CLUSTER_UNALLOCATED; - goto out; - } - - l2_offset = s->l1_table[l1_index] & L1E_OFFSET_MASK; - if (!l2_offset) { - ret = QCOW2_CLUSTER_UNALLOCATED; - goto out; - } - - /* load the l2 table in memory */ - - ret = l2_load(bs, l2_offset, &l2_table); - if (ret < 0) { - return ret; - } - - /* find the cluster offset for the given disk offset */ - - l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1); - *cluster_offset = be64_to_cpu(l2_table[l2_index]); - nb_clusters = size_to_clusters(s, nb_needed << 9); - - ret = qcow2_get_cluster_type(*cluster_offset); - switch (ret) { - case QCOW2_CLUSTER_COMPRESSED: - /* Compressed clusters can only be processed one by one */ - c = 1; - *cluster_offset &= L2E_COMPRESSED_OFFSET_SIZE_MASK; - break; - case QCOW2_CLUSTER_ZERO: - if (s->qcow_version < 3) { - return -EIO; - } - c = count_contiguous_clusters(nb_clusters, s->cluster_size, - &l2_table[l2_index], 0, - QCOW_OFLAG_COMPRESSED | QCOW_OFLAG_ZERO); - *cluster_offset = 0; - break; - case QCOW2_CLUSTER_UNALLOCATED: - /* how many empty clusters ? */ - c = count_contiguous_free_clusters(nb_clusters, &l2_table[l2_index]); - *cluster_offset = 0; - break; - case QCOW2_CLUSTER_NORMAL: - /* how many allocated clusters ? */ - c = count_contiguous_clusters(nb_clusters, s->cluster_size, - &l2_table[l2_index], 0, - QCOW_OFLAG_COMPRESSED | QCOW_OFLAG_ZERO); - *cluster_offset &= L2E_OFFSET_MASK; - break; - default: - abort(); - } - - qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - - nb_available = (c * s->cluster_sectors); - -out: - if (nb_available > nb_needed) - nb_available = nb_needed; - - *num = nb_available - index_in_cluster; - - return ret; -} - -/* - * get_cluster_table - * - * for a given disk offset, load (and allocate if needed) - * the l2 table. - * - * the l2 table offset in the qcow2 file and the cluster index - * in the l2 table are given to the caller. - * - * Returns 0 on success, -errno in failure case - */ -static int get_cluster_table(BlockDriverState *bs, uint64_t offset, - uint64_t **new_l2_table, - int *new_l2_index) -{ - BDRVQcowState *s = bs->opaque; - unsigned int l2_index; - uint64_t l1_index, l2_offset; - uint64_t *l2_table = NULL; - int ret; - - /* seek the the l2 offset in the l1 table */ - - l1_index = offset >> (s->l2_bits + s->cluster_bits); - if (l1_index >= s->l1_size) { - ret = qcow2_grow_l1_table(bs, l1_index + 1, false); - if (ret < 0) { - return ret; - } - } - - assert(l1_index < s->l1_size); - l2_offset = s->l1_table[l1_index] & L1E_OFFSET_MASK; - - /* seek the l2 table of the given l2 offset */ - - if (s->l1_table[l1_index] & QCOW_OFLAG_COPIED) { - /* load the l2 table in memory */ - ret = l2_load(bs, l2_offset, &l2_table); - if (ret < 0) { - return ret; - } - } else { - /* First allocate a new L2 table (and do COW if needed) */ - ret = l2_allocate(bs, l1_index, &l2_table); - if (ret < 0) { - return ret; - } - - /* Then decrease the refcount of the old table */ - if (l2_offset) { - qcow2_free_clusters(bs, l2_offset, s->l2_size * sizeof(uint64_t), - QCOW2_DISCARD_OTHER); - } - } - - /* find the cluster offset for the given disk offset */ - - l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1); - - *new_l2_table = l2_table; - *new_l2_index = l2_index; - - return 0; -} - -/* - * alloc_compressed_cluster_offset - * - * For a given offset of the disk image, return cluster offset in - * qcow2 file. - * - * If the offset is not found, allocate a new compressed cluster. - * - * Return the cluster offset if successful, - * Return 0, otherwise. - * - */ - -uint64_t qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, - uint64_t offset, - int compressed_size) -{ - BDRVQcowState *s = bs->opaque; - int l2_index, ret; - uint64_t *l2_table; - int64_t cluster_offset; - int nb_csectors; - - ret = get_cluster_table(bs, offset, &l2_table, &l2_index); - if (ret < 0) { - return 0; - } - - /* Compression can't overwrite anything. Fail if the cluster was already - * allocated. */ - cluster_offset = be64_to_cpu(l2_table[l2_index]); - if (cluster_offset & L2E_OFFSET_MASK) { - qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - return 0; - } - - cluster_offset = qcow2_alloc_bytes(bs, compressed_size); - if (cluster_offset < 0) { - qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - return 0; - } - - nb_csectors = ((cluster_offset + compressed_size - 1) >> 9) - - (cluster_offset >> 9); - - cluster_offset |= QCOW_OFLAG_COMPRESSED | - ((uint64_t)nb_csectors << s->csize_shift); - - /* update L2 table */ - - /* compressed clusters never have the copied flag */ - - BLKDBG_EVENT(bs->file, BLKDBG_L2_UPDATE_COMPRESSED); - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - l2_table[l2_index] = cpu_to_be64(cluster_offset); - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - return 0; - } - - return cluster_offset; -} - -static int perform_cow(BlockDriverState *bs, QCowL2Meta *m, Qcow2COWRegion *r) -{ - BDRVQcowState *s = bs->opaque; - int ret; - - if (r->nb_sectors == 0) { - return 0; - } - - qemu_co_mutex_unlock(&s->lock); - ret = copy_sectors(bs, m->offset / BDRV_SECTOR_SIZE, m->alloc_offset, - r->offset / BDRV_SECTOR_SIZE, - r->offset / BDRV_SECTOR_SIZE + r->nb_sectors); - qemu_co_mutex_lock(&s->lock); - - if (ret < 0) { - return ret; - } - - /* - * Before we update the L2 table to actually point to the new cluster, we - * need to be sure that the refcounts have been increased and COW was - * handled. - */ - qcow2_cache_depends_on_flush(s->l2_table_cache); - - return 0; -} - -int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m) -{ - BDRVQcowState *s = bs->opaque; - int i, j = 0, l2_index, ret; - uint64_t *old_cluster, *l2_table; - uint64_t cluster_offset = m->alloc_offset; - - trace_qcow2_cluster_link_l2(qemu_coroutine_self(), m->nb_clusters); - assert(m->nb_clusters > 0); - - old_cluster = g_malloc(m->nb_clusters * sizeof(uint64_t)); - - /* copy content of unmodified sectors */ - ret = perform_cow(bs, m, &m->cow_start); - if (ret < 0) { - goto err; - } - - ret = perform_cow(bs, m, &m->cow_end); - if (ret < 0) { - goto err; - } - - /* Update L2 table. */ - if (s->use_lazy_refcounts) { - qcow2_mark_dirty(bs); - } - if (qcow2_need_accurate_refcounts(s)) { - qcow2_cache_set_dependency(bs, s->l2_table_cache, - s->refcount_block_cache); - } - - ret = get_cluster_table(bs, m->offset, &l2_table, &l2_index); - if (ret < 0) { - goto err; - } - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - - for (i = 0; i < m->nb_clusters; i++) { - /* if two concurrent writes happen to the same unallocated cluster - * each write allocates separate cluster and writes data concurrently. - * The first one to complete updates l2 table with pointer to its - * cluster the second one has to do RMW (which is done above by - * copy_sectors()), update l2 table with its cluster pointer and free - * old cluster. This is what this loop does */ - if(l2_table[l2_index + i] != 0) - old_cluster[j++] = l2_table[l2_index + i]; - - l2_table[l2_index + i] = cpu_to_be64((cluster_offset + - (i << s->cluster_bits)) | QCOW_OFLAG_COPIED); - } - - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - goto err; - } - - /* - * If this was a COW, we need to decrease the refcount of the old cluster. - * Also flush bs->file to get the right order for L2 and refcount update. - * - * Don't discard clusters that reach a refcount of 0 (e.g. compressed - * clusters), the next write will reuse them anyway. - */ - if (j != 0) { - for (i = 0; i < j; i++) { - qcow2_free_any_clusters(bs, be64_to_cpu(old_cluster[i]), 1, - QCOW2_DISCARD_NEVER); - } - } - - ret = 0; -err: - g_free(old_cluster); - return ret; - } - -/* - * Returns the number of contiguous clusters that can be used for an allocating - * write, but require COW to be performed (this includes yet unallocated space, - * which must copy from the backing file) - */ -static int count_cow_clusters(BDRVQcowState *s, int nb_clusters, - uint64_t *l2_table, int l2_index) -{ - int i; - - for (i = 0; i < nb_clusters; i++) { - uint64_t l2_entry = be64_to_cpu(l2_table[l2_index + i]); - int cluster_type = qcow2_get_cluster_type(l2_entry); - - switch(cluster_type) { - case QCOW2_CLUSTER_NORMAL: - if (l2_entry & QCOW_OFLAG_COPIED) { - goto out; - } - break; - case QCOW2_CLUSTER_UNALLOCATED: - case QCOW2_CLUSTER_COMPRESSED: - case QCOW2_CLUSTER_ZERO: - break; - default: - abort(); - } - } - -out: - assert(i <= nb_clusters); - return i; -} - -/* - * Check if there already is an AIO write request in flight which allocates - * the same cluster. In this case we need to wait until the previous - * request has completed and updated the L2 table accordingly. - * - * Returns: - * 0 if there was no dependency. *cur_bytes indicates the number of - * bytes from guest_offset that can be read before the next - * dependency must be processed (or the request is complete) - * - * -EAGAIN if we had to wait for another request, previously gathered - * information on cluster allocation may be invalid now. The caller - * must start over anyway, so consider *cur_bytes undefined. - */ -static int handle_dependencies(BlockDriverState *bs, uint64_t guest_offset, - uint64_t *cur_bytes, QCowL2Meta **m) -{ - BDRVQcowState *s = bs->opaque; - QCowL2Meta *old_alloc; - uint64_t bytes = *cur_bytes; - - QLIST_FOREACH(old_alloc, &s->cluster_allocs, next_in_flight) { - - uint64_t start = guest_offset; - uint64_t end = start + bytes; - uint64_t old_start = l2meta_cow_start(old_alloc); - uint64_t old_end = l2meta_cow_end(old_alloc); - - if (end <= old_start || start >= old_end) { - /* No intersection */ - } else { - if (start < old_start) { - /* Stop at the start of a running allocation */ - bytes = old_start - start; - } else { - bytes = 0; - } - - /* Stop if already an l2meta exists. After yielding, it wouldn't - * be valid any more, so we'd have to clean up the old L2Metas - * and deal with requests depending on them before starting to - * gather new ones. Not worth the trouble. */ - if (bytes == 0 && *m) { - *cur_bytes = 0; - return 0; - } - - if (bytes == 0) { - /* Wait for the dependency to complete. We need to recheck - * the free/allocated clusters when we continue. */ - qemu_co_mutex_unlock(&s->lock); - qemu_co_queue_wait(&old_alloc->dependent_requests); - qemu_co_mutex_lock(&s->lock); - return -EAGAIN; - } - } - } - - /* Make sure that existing clusters and new allocations are only used up to - * the next dependency if we shortened the request above */ - *cur_bytes = bytes; - - return 0; -} - -/* - * Checks how many already allocated clusters that don't require a copy on - * write there are at the given guest_offset (up to *bytes). If - * *host_offset is not zero, only physically contiguous clusters beginning at - * this host offset are counted. - * - * Note that guest_offset may not be cluster aligned. In this case, the - * returned *host_offset points to exact byte referenced by guest_offset and - * therefore isn't cluster aligned as well. - * - * Returns: - * 0: if no allocated clusters are available at the given offset. - * *bytes is normally unchanged. It is set to 0 if the cluster - * is allocated and doesn't need COW, but doesn't have the right - * physical offset. - * - * 1: if allocated clusters that don't require a COW are available at - * the requested offset. *bytes may have decreased and describes - * the length of the area that can be written to. - * - * -errno: in error cases - */ -static int handle_copied(BlockDriverState *bs, uint64_t guest_offset, - uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m) -{ - BDRVQcowState *s = bs->opaque; - int l2_index; - uint64_t cluster_offset; - uint64_t *l2_table; - unsigned int nb_clusters; - unsigned int keep_clusters; - int ret, pret; - - trace_qcow2_handle_copied(qemu_coroutine_self(), guest_offset, *host_offset, - *bytes); - - assert(*host_offset == 0 || offset_into_cluster(s, guest_offset) - == offset_into_cluster(s, *host_offset)); - - /* - * Calculate the number of clusters to look for. We stop at L2 table - * boundaries to keep things simple. - */ - nb_clusters = - size_to_clusters(s, offset_into_cluster(s, guest_offset) + *bytes); - - l2_index = offset_to_l2_index(s, guest_offset); - nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); - - /* Find L2 entry for the first involved cluster */ - ret = get_cluster_table(bs, guest_offset, &l2_table, &l2_index); - if (ret < 0) { - return ret; - } - - cluster_offset = be64_to_cpu(l2_table[l2_index]); - - /* Check how many clusters are already allocated and don't need COW */ - if (qcow2_get_cluster_type(cluster_offset) == QCOW2_CLUSTER_NORMAL - && (cluster_offset & QCOW_OFLAG_COPIED)) - { - /* If a specific host_offset is required, check it */ - bool offset_matches = - (cluster_offset & L2E_OFFSET_MASK) == *host_offset; - - if (*host_offset != 0 && !offset_matches) { - *bytes = 0; - ret = 0; - goto out; - } - - /* We keep all QCOW_OFLAG_COPIED clusters */ - keep_clusters = - count_contiguous_clusters(nb_clusters, s->cluster_size, - &l2_table[l2_index], 0, - QCOW_OFLAG_COPIED | QCOW_OFLAG_ZERO); - assert(keep_clusters <= nb_clusters); - - *bytes = MIN(*bytes, - keep_clusters * s->cluster_size - - offset_into_cluster(s, guest_offset)); - - ret = 1; - } else { - ret = 0; - } - - /* Cleanup */ -out: - pret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (pret < 0) { - return pret; - } - - /* Only return a host offset if we actually made progress. Otherwise we - * would make requirements for handle_alloc() that it can't fulfill */ - if (ret) { - *host_offset = (cluster_offset & L2E_OFFSET_MASK) - + offset_into_cluster(s, guest_offset); - } - - return ret; -} - -/* - * Allocates new clusters for the given guest_offset. - * - * At most *nb_clusters are allocated, and on return *nb_clusters is updated to - * contain the number of clusters that have been allocated and are contiguous - * in the image file. - * - * If *host_offset is non-zero, it specifies the offset in the image file at - * which the new clusters must start. *nb_clusters can be 0 on return in this - * case if the cluster at host_offset is already in use. If *host_offset is - * zero, the clusters can be allocated anywhere in the image file. - * - * *host_offset is updated to contain the offset into the image file at which - * the first allocated cluster starts. - * - * Return 0 on success and -errno in error cases. -EAGAIN means that the - * function has been waiting for another request and the allocation must be - * restarted, but the whole request should not be failed. - */ -static int do_alloc_cluster_offset(BlockDriverState *bs, uint64_t guest_offset, - uint64_t *host_offset, unsigned int *nb_clusters) -{ - BDRVQcowState *s = bs->opaque; - - trace_qcow2_do_alloc_clusters_offset(qemu_coroutine_self(), guest_offset, - *host_offset, *nb_clusters); - - /* Allocate new clusters */ - trace_qcow2_cluster_alloc_phys(qemu_coroutine_self()); - if (*host_offset == 0) { - int64_t cluster_offset = - qcow2_alloc_clusters(bs, *nb_clusters * s->cluster_size); - if (cluster_offset < 0) { - return cluster_offset; - } - *host_offset = cluster_offset; - return 0; - } else { - int ret = qcow2_alloc_clusters_at(bs, *host_offset, *nb_clusters); - if (ret < 0) { - return ret; - } - *nb_clusters = ret; - return 0; - } -} - -/* - * Allocates new clusters for an area that either is yet unallocated or needs a - * copy on write. If *host_offset is non-zero, clusters are only allocated if - * the new allocation can match the specified host offset. - * - * Note that guest_offset may not be cluster aligned. In this case, the - * returned *host_offset points to exact byte referenced by guest_offset and - * therefore isn't cluster aligned as well. - * - * Returns: - * 0: if no clusters could be allocated. *bytes is set to 0, - * *host_offset is left unchanged. - * - * 1: if new clusters were allocated. *bytes may be decreased if the - * new allocation doesn't cover all of the requested area. - * *host_offset is updated to contain the host offset of the first - * newly allocated cluster. - * - * -errno: in error cases - */ -static int handle_alloc(BlockDriverState *bs, uint64_t guest_offset, - uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m) -{ - BDRVQcowState *s = bs->opaque; - int l2_index; - uint64_t *l2_table; - uint64_t entry; - unsigned int nb_clusters; - int ret; - - uint64_t alloc_cluster_offset; - - trace_qcow2_handle_alloc(qemu_coroutine_self(), guest_offset, *host_offset, - *bytes); - assert(*bytes > 0); - - /* - * Calculate the number of clusters to look for. We stop at L2 table - * boundaries to keep things simple. - */ - nb_clusters = - size_to_clusters(s, offset_into_cluster(s, guest_offset) + *bytes); - - l2_index = offset_to_l2_index(s, guest_offset); - nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); - - /* Find L2 entry for the first involved cluster */ - ret = get_cluster_table(bs, guest_offset, &l2_table, &l2_index); - if (ret < 0) { - return ret; - } - - entry = be64_to_cpu(l2_table[l2_index]); - - /* For the moment, overwrite compressed clusters one by one */ - if (entry & QCOW_OFLAG_COMPRESSED) { - nb_clusters = 1; - } else { - nb_clusters = count_cow_clusters(s, nb_clusters, l2_table, l2_index); - } - - /* This function is only called when there were no non-COW clusters, so if - * we can't find any unallocated or COW clusters either, something is - * wrong with our code. */ - assert(nb_clusters > 0); - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - return ret; - } - - /* Allocate, if necessary at a given offset in the image file */ - alloc_cluster_offset = start_of_cluster(s, *host_offset); - ret = do_alloc_cluster_offset(bs, guest_offset, &alloc_cluster_offset, - &nb_clusters); - if (ret < 0) { - goto fail; - } - - /* Can't extend contiguous allocation */ - if (nb_clusters == 0) { - *bytes = 0; - return 0; - } - - /* - * Save info needed for meta data update. - * - * requested_sectors: Number of sectors from the start of the first - * newly allocated cluster to the end of the (possibly shortened - * before) write request. - * - * avail_sectors: Number of sectors from the start of the first - * newly allocated to the end of the last newly allocated cluster. - * - * nb_sectors: The number of sectors from the start of the first - * newly allocated cluster to the end of the area that the write - * request actually writes to (excluding COW at the end) - */ - int requested_sectors = - (*bytes + offset_into_cluster(s, guest_offset)) - >> BDRV_SECTOR_BITS; - int avail_sectors = nb_clusters - << (s->cluster_bits - BDRV_SECTOR_BITS); - int alloc_n_start = offset_into_cluster(s, guest_offset) - >> BDRV_SECTOR_BITS; - int nb_sectors = MIN(requested_sectors, avail_sectors); - QCowL2Meta *old_m = *m; - - *m = g_malloc0(sizeof(**m)); - - **m = (QCowL2Meta) { - .next = old_m, - - .alloc_offset = alloc_cluster_offset, - .offset = start_of_cluster(s, guest_offset), - .nb_clusters = nb_clusters, - .nb_available = nb_sectors, - - .cow_start = { - .offset = 0, - .nb_sectors = alloc_n_start, - }, - .cow_end = { - .offset = nb_sectors * BDRV_SECTOR_SIZE, - .nb_sectors = avail_sectors - nb_sectors, - }, - }; - qemu_co_queue_init(&(*m)->dependent_requests); - QLIST_INSERT_HEAD(&s->cluster_allocs, *m, next_in_flight); - - *host_offset = alloc_cluster_offset + offset_into_cluster(s, guest_offset); - *bytes = MIN(*bytes, (nb_sectors * BDRV_SECTOR_SIZE) - - offset_into_cluster(s, guest_offset)); - assert(*bytes != 0); - - return 1; - -fail: - if (*m && (*m)->nb_clusters > 0) { - QLIST_REMOVE(*m, next_in_flight); - } - return ret; -} - -/* - * alloc_cluster_offset - * - * For a given offset on the virtual disk, find the cluster offset in qcow2 - * file. If the offset is not found, allocate a new cluster. - * - * If the cluster was already allocated, m->nb_clusters is set to 0 and - * other fields in m are meaningless. - * - * If the cluster is newly allocated, m->nb_clusters is set to the number of - * contiguous clusters that have been allocated. In this case, the other - * fields of m are valid and contain information about the first allocated - * cluster. - * - * If the request conflicts with another write request in flight, the coroutine - * is queued and will be reentered when the dependency has completed. - * - * Return 0 on success and -errno in error cases - */ -int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset, - int n_start, int n_end, int *num, uint64_t *host_offset, QCowL2Meta **m) -{ - BDRVQcowState *s = bs->opaque; - uint64_t start, remaining; - uint64_t cluster_offset; - uint64_t cur_bytes; - int ret; - - trace_qcow2_alloc_clusters_offset(qemu_coroutine_self(), offset, - n_start, n_end); - - assert(n_start * BDRV_SECTOR_SIZE == offset_into_cluster(s, offset)); - offset = start_of_cluster(s, offset); - -again: - start = offset + (n_start << BDRV_SECTOR_BITS); - remaining = (n_end - n_start) << BDRV_SECTOR_BITS; - cluster_offset = 0; - *host_offset = 0; - cur_bytes = 0; - *m = NULL; - - while (true) { - - if (!*host_offset) { - *host_offset = start_of_cluster(s, cluster_offset); - } - - assert(remaining >= cur_bytes); - - start += cur_bytes; - remaining -= cur_bytes; - cluster_offset += cur_bytes; - - if (remaining == 0) { - break; - } - - cur_bytes = remaining; - - /* - * Now start gathering as many contiguous clusters as possible: - * - * 1. Check for overlaps with in-flight allocations - * - * a) Overlap not in the first cluster -> shorten this request and - * let the caller handle the rest in its next loop iteration. - * - * b) Real overlaps of two requests. Yield and restart the search - * for contiguous clusters (the situation could have changed - * while we were sleeping) - * - * c) TODO: Request starts in the same cluster as the in-flight - * allocation ends. Shorten the COW of the in-fight allocation, - * set cluster_offset to write to the same cluster and set up - * the right synchronisation between the in-flight request and - * the new one. - */ - ret = handle_dependencies(bs, start, &cur_bytes, m); - if (ret == -EAGAIN) { - /* Currently handle_dependencies() doesn't yield if we already had - * an allocation. If it did, we would have to clean up the L2Meta - * structs before starting over. */ - assert(*m == NULL); - goto again; - } else if (ret < 0) { - return ret; - } else if (cur_bytes == 0) { - break; - } else { - /* handle_dependencies() may have decreased cur_bytes (shortened - * the allocations below) so that the next dependency is processed - * correctly during the next loop iteration. */ - } - - /* - * 2. Count contiguous COPIED clusters. - */ - ret = handle_copied(bs, start, &cluster_offset, &cur_bytes, m); - if (ret < 0) { - return ret; - } else if (ret) { - continue; - } else if (cur_bytes == 0) { - break; - } - - /* - * 3. If the request still hasn't completed, allocate new clusters, - * considering any cluster_offset of steps 1c or 2. - */ - ret = handle_alloc(bs, start, &cluster_offset, &cur_bytes, m); - if (ret < 0) { - return ret; - } else if (ret) { - continue; - } else { - assert(cur_bytes == 0); - break; - } - } - - *num = (n_end - n_start) - (remaining >> BDRV_SECTOR_BITS); - assert(*num > 0); - assert(*host_offset != 0); - - return 0; -} - -static int decompress_buffer(uint8_t *out_buf, int out_buf_size, - const uint8_t *buf, int buf_size) -{ - z_stream strm1, *strm = &strm1; - int ret, out_len; - - memset(strm, 0, sizeof(*strm)); - - strm->next_in = (uint8_t *)buf; - strm->avail_in = buf_size; - strm->next_out = out_buf; - strm->avail_out = out_buf_size; - - ret = inflateInit2(strm, -12); - if (ret != Z_OK) - return -1; - ret = inflate(strm, Z_FINISH); - out_len = strm->next_out - out_buf; - if ((ret != Z_STREAM_END && ret != Z_BUF_ERROR) || - out_len != out_buf_size) { - inflateEnd(strm); - return -1; - } - inflateEnd(strm); - return 0; -} - -int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset) -{ - BDRVQcowState *s = bs->opaque; - int ret, csize, nb_csectors, sector_offset; - uint64_t coffset; - - coffset = cluster_offset & s->cluster_offset_mask; - if (s->cluster_cache_offset != coffset) { - nb_csectors = ((cluster_offset >> s->csize_shift) & s->csize_mask) + 1; - sector_offset = coffset & 511; - csize = nb_csectors * 512 - sector_offset; - BLKDBG_EVENT(bs->file, BLKDBG_READ_COMPRESSED); - ret = bdrv_read(bs->file, coffset >> 9, s->cluster_data, nb_csectors); - if (ret < 0) { - return ret; - } - if (decompress_buffer(s->cluster_cache, s->cluster_size, - s->cluster_data + sector_offset, csize) < 0) { - return -EIO; - } - s->cluster_cache_offset = coffset; - } - return 0; -} - -/* - * This discards as many clusters of nb_clusters as possible at once (i.e. - * all clusters in the same L2 table) and returns the number of discarded - * clusters. - */ -static int discard_single_l2(BlockDriverState *bs, uint64_t offset, - unsigned int nb_clusters) -{ - BDRVQcowState *s = bs->opaque; - uint64_t *l2_table; - int l2_index; - int ret; - int i; - - ret = get_cluster_table(bs, offset, &l2_table, &l2_index); - if (ret < 0) { - return ret; - } - - /* Limit nb_clusters to one L2 table */ - nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); - - for (i = 0; i < nb_clusters; i++) { - uint64_t old_offset; - - old_offset = be64_to_cpu(l2_table[l2_index + i]); - if ((old_offset & L2E_OFFSET_MASK) == 0) { - continue; - } - - /* First remove L2 entries */ - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - l2_table[l2_index + i] = cpu_to_be64(0); - - /* Then decrease the refcount */ - qcow2_free_any_clusters(bs, old_offset, 1, QCOW2_DISCARD_REQUEST); - } - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - return ret; - } - - return nb_clusters; -} - -int qcow2_discard_clusters(BlockDriverState *bs, uint64_t offset, - int nb_sectors) -{ - BDRVQcowState *s = bs->opaque; - uint64_t end_offset; - unsigned int nb_clusters; - int ret; - - end_offset = offset + (nb_sectors << BDRV_SECTOR_BITS); - - /* Round start up and end down */ - offset = align_offset(offset, s->cluster_size); - end_offset &= ~(s->cluster_size - 1); - - if (offset > end_offset) { - return 0; - } - - nb_clusters = size_to_clusters(s, end_offset - offset); - - s->cache_discards = true; - - /* Each L2 table is handled by its own loop iteration */ - while (nb_clusters > 0) { - ret = discard_single_l2(bs, offset, nb_clusters); - if (ret < 0) { - goto fail; - } - - nb_clusters -= ret; - offset += (ret * s->cluster_size); - } - - ret = 0; -fail: - s->cache_discards = false; - qcow2_process_discards(bs, ret); - - return ret; -} - -/* - * This zeroes as many clusters of nb_clusters as possible at once (i.e. - * all clusters in the same L2 table) and returns the number of zeroed - * clusters. - */ -static int zero_single_l2(BlockDriverState *bs, uint64_t offset, - unsigned int nb_clusters) -{ - BDRVQcowState *s = bs->opaque; - uint64_t *l2_table; - int l2_index; - int ret; - int i; - - ret = get_cluster_table(bs, offset, &l2_table, &l2_index); - if (ret < 0) { - return ret; - } - - /* Limit nb_clusters to one L2 table */ - nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); - - for (i = 0; i < nb_clusters; i++) { - uint64_t old_offset; - - old_offset = be64_to_cpu(l2_table[l2_index + i]); - - /* Update L2 entries */ - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - if (old_offset & QCOW_OFLAG_COMPRESSED) { - l2_table[l2_index + i] = cpu_to_be64(QCOW_OFLAG_ZERO); - qcow2_free_any_clusters(bs, old_offset, 1, QCOW2_DISCARD_REQUEST); - } else { - l2_table[l2_index + i] |= cpu_to_be64(QCOW_OFLAG_ZERO); - } - } - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - return ret; - } - - return nb_clusters; -} - -int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors) -{ - BDRVQcowState *s = bs->opaque; - unsigned int nb_clusters; - int ret; - - /* The zero flag is only supported by version 3 and newer */ - if (s->qcow_version < 3) { - return -ENOTSUP; - } - - /* Each L2 table is handled by its own loop iteration */ - nb_clusters = size_to_clusters(s, nb_sectors << BDRV_SECTOR_BITS); - - s->cache_discards = true; - - while (nb_clusters > 0) { - ret = zero_single_l2(bs, offset, nb_clusters); - if (ret < 0) { - goto fail; - } - - nb_clusters -= ret; - offset += (ret * s->cluster_size); - } - - ret = 0; -fail: - s->cache_discards = false; - qcow2_process_discards(bs, ret); - - return ret; -} diff --git a/contrib/qemu/block/qcow2-refcount.c b/contrib/qemu/block/qcow2-refcount.c deleted file mode 100644 index 1244693f39e..00000000000 --- a/contrib/qemu/block/qcow2-refcount.c +++ /dev/null @@ -1,1374 +0,0 @@ -/* - * Block driver for the QCOW version 2 format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu-common.h" -#include "block/block_int.h" -#include "block/qcow2.h" - -static int64_t alloc_clusters_noref(BlockDriverState *bs, int64_t size); -static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs, - int64_t offset, int64_t length, - int addend, enum qcow2_discard_type type); - - -/*********************************************************/ -/* refcount handling */ - -int qcow2_refcount_init(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - int ret, refcount_table_size2, i; - - refcount_table_size2 = s->refcount_table_size * sizeof(uint64_t); - s->refcount_table = g_malloc(refcount_table_size2); - if (s->refcount_table_size > 0) { - BLKDBG_EVENT(bs->file, BLKDBG_REFTABLE_LOAD); - ret = bdrv_pread(bs->file, s->refcount_table_offset, - s->refcount_table, refcount_table_size2); - if (ret != refcount_table_size2) - goto fail; - for(i = 0; i < s->refcount_table_size; i++) - be64_to_cpus(&s->refcount_table[i]); - } - return 0; - fail: - return -ENOMEM; -} - -void qcow2_refcount_close(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - g_free(s->refcount_table); -} - - -static int load_refcount_block(BlockDriverState *bs, - int64_t refcount_block_offset, - void **refcount_block) -{ - BDRVQcowState *s = bs->opaque; - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_LOAD); - ret = qcow2_cache_get(bs, s->refcount_block_cache, refcount_block_offset, - refcount_block); - - return ret; -} - -/* - * Returns the refcount of the cluster given by its index. Any non-negative - * return value is the refcount of the cluster, negative values are -errno - * and indicate an error. - */ -static int get_refcount(BlockDriverState *bs, int64_t cluster_index) -{ - BDRVQcowState *s = bs->opaque; - int refcount_table_index, block_index; - int64_t refcount_block_offset; - int ret; - uint16_t *refcount_block; - uint16_t refcount; - - refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT); - if (refcount_table_index >= s->refcount_table_size) - return 0; - refcount_block_offset = s->refcount_table[refcount_table_index]; - if (!refcount_block_offset) - return 0; - - ret = qcow2_cache_get(bs, s->refcount_block_cache, refcount_block_offset, - (void**) &refcount_block); - if (ret < 0) { - return ret; - } - - block_index = cluster_index & - ((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1); - refcount = be16_to_cpu(refcount_block[block_index]); - - ret = qcow2_cache_put(bs, s->refcount_block_cache, - (void**) &refcount_block); - if (ret < 0) { - return ret; - } - - return refcount; -} - -/* - * Rounds the refcount table size up to avoid growing the table for each single - * refcount block that is allocated. - */ -static unsigned int next_refcount_table_size(BDRVQcowState *s, - unsigned int min_size) -{ - unsigned int min_clusters = (min_size >> (s->cluster_bits - 3)) + 1; - unsigned int refcount_table_clusters = - MAX(1, s->refcount_table_size >> (s->cluster_bits - 3)); - - while (min_clusters > refcount_table_clusters) { - refcount_table_clusters = (refcount_table_clusters * 3 + 1) / 2; - } - - return refcount_table_clusters << (s->cluster_bits - 3); -} - - -/* Checks if two offsets are described by the same refcount block */ -static int in_same_refcount_block(BDRVQcowState *s, uint64_t offset_a, - uint64_t offset_b) -{ - uint64_t block_a = offset_a >> (2 * s->cluster_bits - REFCOUNT_SHIFT); - uint64_t block_b = offset_b >> (2 * s->cluster_bits - REFCOUNT_SHIFT); - - return (block_a == block_b); -} - -/* - * Loads a refcount block. If it doesn't exist yet, it is allocated first - * (including growing the refcount table if needed). - * - * Returns 0 on success or -errno in error case - */ -static int alloc_refcount_block(BlockDriverState *bs, - int64_t cluster_index, uint16_t **refcount_block) -{ - BDRVQcowState *s = bs->opaque; - unsigned int refcount_table_index; - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC); - - /* Find the refcount block for the given cluster */ - refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT); - - if (refcount_table_index < s->refcount_table_size) { - - uint64_t refcount_block_offset = - s->refcount_table[refcount_table_index] & REFT_OFFSET_MASK; - - /* If it's already there, we're done */ - if (refcount_block_offset) { - return load_refcount_block(bs, refcount_block_offset, - (void**) refcount_block); - } - } - - /* - * If we came here, we need to allocate something. Something is at least - * a cluster for the new refcount block. It may also include a new refcount - * table if the old refcount table is too small. - * - * Note that allocating clusters here needs some special care: - * - * - We can't use the normal qcow2_alloc_clusters(), it would try to - * increase the refcount and very likely we would end up with an endless - * recursion. Instead we must place the refcount blocks in a way that - * they can describe them themselves. - * - * - We need to consider that at this point we are inside update_refcounts - * and doing the initial refcount increase. This means that some clusters - * have already been allocated by the caller, but their refcount isn't - * accurate yet. free_cluster_index tells us where this allocation ends - * as long as we don't overwrite it by freeing clusters. - * - * - alloc_clusters_noref and qcow2_free_clusters may load a different - * refcount block into the cache - */ - - *refcount_block = NULL; - - /* We write to the refcount table, so we might depend on L2 tables */ - ret = qcow2_cache_flush(bs, s->l2_table_cache); - if (ret < 0) { - return ret; - } - - /* Allocate the refcount block itself and mark it as used */ - int64_t new_block = alloc_clusters_noref(bs, s->cluster_size); - if (new_block < 0) { - return new_block; - } - -#ifdef DEBUG_ALLOC2 - fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64 - " at %" PRIx64 "\n", - refcount_table_index, cluster_index << s->cluster_bits, new_block); -#endif - - if (in_same_refcount_block(s, new_block, cluster_index << s->cluster_bits)) { - /* Zero the new refcount block before updating it */ - ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block, - (void**) refcount_block); - if (ret < 0) { - goto fail_block; - } - - memset(*refcount_block, 0, s->cluster_size); - - /* The block describes itself, need to update the cache */ - int block_index = (new_block >> s->cluster_bits) & - ((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1); - (*refcount_block)[block_index] = cpu_to_be16(1); - } else { - /* Described somewhere else. This can recurse at most twice before we - * arrive at a block that describes itself. */ - ret = update_refcount(bs, new_block, s->cluster_size, 1, - QCOW2_DISCARD_NEVER); - if (ret < 0) { - goto fail_block; - } - - ret = qcow2_cache_flush(bs, s->refcount_block_cache); - if (ret < 0) { - goto fail_block; - } - - /* Initialize the new refcount block only after updating its refcount, - * update_refcount uses the refcount cache itself */ - ret = qcow2_cache_get_empty(bs, s->refcount_block_cache, new_block, - (void**) refcount_block); - if (ret < 0) { - goto fail_block; - } - - memset(*refcount_block, 0, s->cluster_size); - } - - /* Now the new refcount block needs to be written to disk */ - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE); - qcow2_cache_entry_mark_dirty(s->refcount_block_cache, *refcount_block); - ret = qcow2_cache_flush(bs, s->refcount_block_cache); - if (ret < 0) { - goto fail_block; - } - - /* If the refcount table is big enough, just hook the block up there */ - if (refcount_table_index < s->refcount_table_size) { - uint64_t data64 = cpu_to_be64(new_block); - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_HOOKUP); - ret = bdrv_pwrite_sync(bs->file, - s->refcount_table_offset + refcount_table_index * sizeof(uint64_t), - &data64, sizeof(data64)); - if (ret < 0) { - goto fail_block; - } - - s->refcount_table[refcount_table_index] = new_block; - return 0; - } - - ret = qcow2_cache_put(bs, s->refcount_block_cache, (void**) refcount_block); - if (ret < 0) { - goto fail_block; - } - - /* - * If we come here, we need to grow the refcount table. Again, a new - * refcount table needs some space and we can't simply allocate to avoid - * endless recursion. - * - * Therefore let's grab new refcount blocks at the end of the image, which - * will describe themselves and the new refcount table. This way we can - * reference them only in the new table and do the switch to the new - * refcount table at once without producing an inconsistent state in - * between. - */ - BLKDBG_EVENT(bs->file, BLKDBG_REFTABLE_GROW); - - /* Calculate the number of refcount blocks needed so far */ - uint64_t refcount_block_clusters = 1 << (s->cluster_bits - REFCOUNT_SHIFT); - uint64_t blocks_used = (s->free_cluster_index + - refcount_block_clusters - 1) / refcount_block_clusters; - - /* And now we need at least one block more for the new metadata */ - uint64_t table_size = next_refcount_table_size(s, blocks_used + 1); - uint64_t last_table_size; - uint64_t blocks_clusters; - do { - uint64_t table_clusters = - size_to_clusters(s, table_size * sizeof(uint64_t)); - blocks_clusters = 1 + - ((table_clusters + refcount_block_clusters - 1) - / refcount_block_clusters); - uint64_t meta_clusters = table_clusters + blocks_clusters; - - last_table_size = table_size; - table_size = next_refcount_table_size(s, blocks_used + - ((meta_clusters + refcount_block_clusters - 1) - / refcount_block_clusters)); - - } while (last_table_size != table_size); - -#ifdef DEBUG_ALLOC2 - fprintf(stderr, "qcow2: Grow refcount table %" PRId32 " => %" PRId64 "\n", - s->refcount_table_size, table_size); -#endif - - /* Create the new refcount table and blocks */ - uint64_t meta_offset = (blocks_used * refcount_block_clusters) * - s->cluster_size; - uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size; - uint16_t *new_blocks = g_malloc0(blocks_clusters * s->cluster_size); - uint64_t *new_table = g_malloc0(table_size * sizeof(uint64_t)); - - assert(meta_offset >= (s->free_cluster_index * s->cluster_size)); - - /* Fill the new refcount table */ - memcpy(new_table, s->refcount_table, - s->refcount_table_size * sizeof(uint64_t)); - new_table[refcount_table_index] = new_block; - - int i; - for (i = 0; i < blocks_clusters; i++) { - new_table[blocks_used + i] = meta_offset + (i * s->cluster_size); - } - - /* Fill the refcount blocks */ - uint64_t table_clusters = size_to_clusters(s, table_size * sizeof(uint64_t)); - int block = 0; - for (i = 0; i < table_clusters + blocks_clusters; i++) { - new_blocks[block++] = cpu_to_be16(1); - } - - /* Write refcount blocks to disk */ - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS); - ret = bdrv_pwrite_sync(bs->file, meta_offset, new_blocks, - blocks_clusters * s->cluster_size); - g_free(new_blocks); - if (ret < 0) { - goto fail_table; - } - - /* Write refcount table to disk */ - for(i = 0; i < table_size; i++) { - cpu_to_be64s(&new_table[i]); - } - - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE); - ret = bdrv_pwrite_sync(bs->file, table_offset, new_table, - table_size * sizeof(uint64_t)); - if (ret < 0) { - goto fail_table; - } - - for(i = 0; i < table_size; i++) { - be64_to_cpus(&new_table[i]); - } - - /* Hook up the new refcount table in the qcow2 header */ - uint8_t data[12]; - cpu_to_be64w((uint64_t*)data, table_offset); - cpu_to_be32w((uint32_t*)(data + 8), table_clusters); - BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE); - ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, refcount_table_offset), - data, sizeof(data)); - if (ret < 0) { - goto fail_table; - } - - /* And switch it in memory */ - uint64_t old_table_offset = s->refcount_table_offset; - uint64_t old_table_size = s->refcount_table_size; - - g_free(s->refcount_table); - s->refcount_table = new_table; - s->refcount_table_size = table_size; - s->refcount_table_offset = table_offset; - - /* Free old table. Remember, we must not change free_cluster_index */ - uint64_t old_free_cluster_index = s->free_cluster_index; - qcow2_free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t), - QCOW2_DISCARD_OTHER); - s->free_cluster_index = old_free_cluster_index; - - ret = load_refcount_block(bs, new_block, (void**) refcount_block); - if (ret < 0) { - return ret; - } - - return 0; - -fail_table: - g_free(new_table); -fail_block: - if (*refcount_block != NULL) { - qcow2_cache_put(bs, s->refcount_block_cache, (void**) refcount_block); - } - return ret; -} - -void qcow2_process_discards(BlockDriverState *bs, int ret) -{ - BDRVQcowState *s = bs->opaque; - Qcow2DiscardRegion *d, *next; - - QTAILQ_FOREACH_SAFE(d, &s->discards, next, next) { - QTAILQ_REMOVE(&s->discards, d, next); - - /* Discard is optional, ignore the return value */ - if (ret >= 0) { - bdrv_discard(bs->file, - d->offset >> BDRV_SECTOR_BITS, - d->bytes >> BDRV_SECTOR_BITS); - } - - g_free(d); - } -} - -static void update_refcount_discard(BlockDriverState *bs, - uint64_t offset, uint64_t length) -{ - BDRVQcowState *s = bs->opaque; - Qcow2DiscardRegion *d, *p, *next; - - QTAILQ_FOREACH(d, &s->discards, next) { - uint64_t new_start = MIN(offset, d->offset); - uint64_t new_end = MAX(offset + length, d->offset + d->bytes); - - if (new_end - new_start <= length + d->bytes) { - /* There can't be any overlap, areas ending up here have no - * references any more and therefore shouldn't get freed another - * time. */ - assert(d->bytes + length == new_end - new_start); - d->offset = new_start; - d->bytes = new_end - new_start; - goto found; - } - } - - d = g_malloc(sizeof(*d)); - *d = (Qcow2DiscardRegion) { - .bs = bs, - .offset = offset, - .bytes = length, - }; - QTAILQ_INSERT_TAIL(&s->discards, d, next); - -found: - /* Merge discard requests if they are adjacent now */ - QTAILQ_FOREACH_SAFE(p, &s->discards, next, next) { - if (p == d - || p->offset > d->offset + d->bytes - || d->offset > p->offset + p->bytes) - { - continue; - } - - /* Still no overlap possible */ - assert(p->offset == d->offset + d->bytes - || d->offset == p->offset + p->bytes); - - QTAILQ_REMOVE(&s->discards, p, next); - d->offset = MIN(d->offset, p->offset); - d->bytes += p->bytes; - } -} - -/* XXX: cache several refcount block clusters ? */ -static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs, - int64_t offset, int64_t length, int addend, enum qcow2_discard_type type) -{ - BDRVQcowState *s = bs->opaque; - int64_t start, last, cluster_offset; - uint16_t *refcount_block = NULL; - int64_t old_table_index = -1; - int ret; - -#ifdef DEBUG_ALLOC2 - fprintf(stderr, "update_refcount: offset=%" PRId64 " size=%" PRId64 " addend=%d\n", - offset, length, addend); -#endif - if (length < 0) { - return -EINVAL; - } else if (length == 0) { - return 0; - } - - if (addend < 0) { - qcow2_cache_set_dependency(bs, s->refcount_block_cache, - s->l2_table_cache); - } - - start = offset & ~(s->cluster_size - 1); - last = (offset + length - 1) & ~(s->cluster_size - 1); - for(cluster_offset = start; cluster_offset <= last; - cluster_offset += s->cluster_size) - { - int block_index, refcount; - int64_t cluster_index = cluster_offset >> s->cluster_bits; - int64_t table_index = - cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT); - - /* Load the refcount block and allocate it if needed */ - if (table_index != old_table_index) { - if (refcount_block) { - ret = qcow2_cache_put(bs, s->refcount_block_cache, - (void**) &refcount_block); - if (ret < 0) { - goto fail; - } - } - - ret = alloc_refcount_block(bs, cluster_index, &refcount_block); - if (ret < 0) { - goto fail; - } - } - old_table_index = table_index; - - qcow2_cache_entry_mark_dirty(s->refcount_block_cache, refcount_block); - - /* we can update the count and save it */ - block_index = cluster_index & - ((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1); - - refcount = be16_to_cpu(refcount_block[block_index]); - refcount += addend; - if (refcount < 0 || refcount > 0xffff) { - ret = -EINVAL; - goto fail; - } - if (refcount == 0 && cluster_index < s->free_cluster_index) { - s->free_cluster_index = cluster_index; - } - refcount_block[block_index] = cpu_to_be16(refcount); - - if (refcount == 0 && s->discard_passthrough[type]) { - update_refcount_discard(bs, cluster_offset, s->cluster_size); - } - } - - ret = 0; -fail: - if (!s->cache_discards) { - qcow2_process_discards(bs, ret); - } - - /* Write last changed block to disk */ - if (refcount_block) { - int wret; - wret = qcow2_cache_put(bs, s->refcount_block_cache, - (void**) &refcount_block); - if (wret < 0) { - return ret < 0 ? ret : wret; - } - } - - /* - * Try do undo any updates if an error is returned (This may succeed in - * some cases like ENOSPC for allocating a new refcount block) - */ - if (ret < 0) { - int dummy; - dummy = update_refcount(bs, offset, cluster_offset - offset, -addend, - QCOW2_DISCARD_NEVER); - (void)dummy; - } - - return ret; -} - -/* - * Increases or decreases the refcount of a given cluster by one. - * addend must be 1 or -1. - * - * If the return value is non-negative, it is the new refcount of the cluster. - * If it is negative, it is -errno and indicates an error. - */ -static int update_cluster_refcount(BlockDriverState *bs, - int64_t cluster_index, - int addend, - enum qcow2_discard_type type) -{ - BDRVQcowState *s = bs->opaque; - int ret; - - ret = update_refcount(bs, cluster_index << s->cluster_bits, 1, addend, - type); - if (ret < 0) { - return ret; - } - - return get_refcount(bs, cluster_index); -} - - - -/*********************************************************/ -/* cluster allocation functions */ - - - -/* return < 0 if error */ -static int64_t alloc_clusters_noref(BlockDriverState *bs, int64_t size) -{ - BDRVQcowState *s = bs->opaque; - int i, nb_clusters, refcount; - - nb_clusters = size_to_clusters(s, size); -retry: - for(i = 0; i < nb_clusters; i++) { - int64_t next_cluster_index = s->free_cluster_index++; - refcount = get_refcount(bs, next_cluster_index); - - if (refcount < 0) { - return refcount; - } else if (refcount != 0) { - goto retry; - } - } -#ifdef DEBUG_ALLOC2 - fprintf(stderr, "alloc_clusters: size=%" PRId64 " -> %" PRId64 "\n", - size, - (s->free_cluster_index - nb_clusters) << s->cluster_bits); -#endif - return (s->free_cluster_index - nb_clusters) << s->cluster_bits; -} - -int64_t qcow2_alloc_clusters(BlockDriverState *bs, int64_t size) -{ - int64_t offset; - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_CLUSTER_ALLOC); - offset = alloc_clusters_noref(bs, size); - if (offset < 0) { - return offset; - } - - ret = update_refcount(bs, offset, size, 1, QCOW2_DISCARD_NEVER); - if (ret < 0) { - return ret; - } - - return offset; -} - -int qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset, - int nb_clusters) -{ - BDRVQcowState *s = bs->opaque; - uint64_t cluster_index; - uint64_t old_free_cluster_index; - int i, refcount, ret; - - /* Check how many clusters there are free */ - cluster_index = offset >> s->cluster_bits; - for(i = 0; i < nb_clusters; i++) { - refcount = get_refcount(bs, cluster_index++); - - if (refcount < 0) { - return refcount; - } else if (refcount != 0) { - break; - } - } - - /* And then allocate them */ - old_free_cluster_index = s->free_cluster_index; - s->free_cluster_index = cluster_index + i; - - ret = update_refcount(bs, offset, i << s->cluster_bits, 1, - QCOW2_DISCARD_NEVER); - if (ret < 0) { - return ret; - } - - s->free_cluster_index = old_free_cluster_index; - - return i; -} - -/* only used to allocate compressed sectors. We try to allocate - contiguous sectors. size must be <= cluster_size */ -int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size) -{ - BDRVQcowState *s = bs->opaque; - int64_t offset, cluster_offset; - int free_in_cluster; - - BLKDBG_EVENT(bs->file, BLKDBG_CLUSTER_ALLOC_BYTES); - assert(size > 0 && size <= s->cluster_size); - if (s->free_byte_offset == 0) { - offset = qcow2_alloc_clusters(bs, s->cluster_size); - if (offset < 0) { - return offset; - } - s->free_byte_offset = offset; - } - redo: - free_in_cluster = s->cluster_size - - (s->free_byte_offset & (s->cluster_size - 1)); - if (size <= free_in_cluster) { - /* enough space in current cluster */ - offset = s->free_byte_offset; - s->free_byte_offset += size; - free_in_cluster -= size; - if (free_in_cluster == 0) - s->free_byte_offset = 0; - if ((offset & (s->cluster_size - 1)) != 0) - update_cluster_refcount(bs, offset >> s->cluster_bits, 1, - QCOW2_DISCARD_NEVER); - } else { - offset = qcow2_alloc_clusters(bs, s->cluster_size); - if (offset < 0) { - return offset; - } - cluster_offset = s->free_byte_offset & ~(s->cluster_size - 1); - if ((cluster_offset + s->cluster_size) == offset) { - /* we are lucky: contiguous data */ - offset = s->free_byte_offset; - update_cluster_refcount(bs, offset >> s->cluster_bits, 1, - QCOW2_DISCARD_NEVER); - s->free_byte_offset += size; - } else { - s->free_byte_offset = offset; - goto redo; - } - } - - /* The cluster refcount was incremented, either by qcow2_alloc_clusters() - * or explicitly by update_cluster_refcount(). Refcount blocks must be - * flushed before the caller's L2 table updates. - */ - qcow2_cache_set_dependency(bs, s->l2_table_cache, s->refcount_block_cache); - return offset; -} - -void qcow2_free_clusters(BlockDriverState *bs, - int64_t offset, int64_t size, - enum qcow2_discard_type type) -{ - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_CLUSTER_FREE); - ret = update_refcount(bs, offset, size, -1, type); - if (ret < 0) { - fprintf(stderr, "qcow2_free_clusters failed: %s\n", strerror(-ret)); - /* TODO Remember the clusters to free them later and avoid leaking */ - } -} - -/* - * Free a cluster using its L2 entry (handles clusters of all types, e.g. - * normal cluster, compressed cluster, etc.) - */ -void qcow2_free_any_clusters(BlockDriverState *bs, uint64_t l2_entry, - int nb_clusters, enum qcow2_discard_type type) -{ - BDRVQcowState *s = bs->opaque; - - switch (qcow2_get_cluster_type(l2_entry)) { - case QCOW2_CLUSTER_COMPRESSED: - { - int nb_csectors; - nb_csectors = ((l2_entry >> s->csize_shift) & - s->csize_mask) + 1; - qcow2_free_clusters(bs, - (l2_entry & s->cluster_offset_mask) & ~511, - nb_csectors * 512, type); - } - break; - case QCOW2_CLUSTER_NORMAL: - qcow2_free_clusters(bs, l2_entry & L2E_OFFSET_MASK, - nb_clusters << s->cluster_bits, type); - break; - case QCOW2_CLUSTER_UNALLOCATED: - case QCOW2_CLUSTER_ZERO: - break; - default: - abort(); - } -} - - - -/*********************************************************/ -/* snapshots and image creation */ - - - -/* update the refcounts of snapshots and the copied flag */ -int qcow2_update_snapshot_refcount(BlockDriverState *bs, - int64_t l1_table_offset, int l1_size, int addend) -{ - BDRVQcowState *s = bs->opaque; - uint64_t *l1_table, *l2_table, l2_offset, offset, l1_size2, l1_allocated; - int64_t old_offset, old_l2_offset; - int i, j, l1_modified = 0, nb_csectors, refcount; - int ret; - - l2_table = NULL; - l1_table = NULL; - l1_size2 = l1_size * sizeof(uint64_t); - - s->cache_discards = true; - - /* WARNING: qcow2_snapshot_goto relies on this function not using the - * l1_table_offset when it is the current s->l1_table_offset! Be careful - * when changing this! */ - if (l1_table_offset != s->l1_table_offset) { - l1_table = g_malloc0(align_offset(l1_size2, 512)); - l1_allocated = 1; - - ret = bdrv_pread(bs->file, l1_table_offset, l1_table, l1_size2); - if (ret < 0) { - goto fail; - } - - for(i = 0;i < l1_size; i++) - be64_to_cpus(&l1_table[i]); - } else { - assert(l1_size == s->l1_size); - l1_table = s->l1_table; - l1_allocated = 0; - } - - for(i = 0; i < l1_size; i++) { - l2_offset = l1_table[i]; - if (l2_offset) { - old_l2_offset = l2_offset; - l2_offset &= L1E_OFFSET_MASK; - - ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset, - (void**) &l2_table); - if (ret < 0) { - goto fail; - } - - for(j = 0; j < s->l2_size; j++) { - offset = be64_to_cpu(l2_table[j]); - if (offset != 0) { - old_offset = offset; - offset &= ~QCOW_OFLAG_COPIED; - if (offset & QCOW_OFLAG_COMPRESSED) { - nb_csectors = ((offset >> s->csize_shift) & - s->csize_mask) + 1; - if (addend != 0) { - int ret; - ret = update_refcount(bs, - (offset & s->cluster_offset_mask) & ~511, - nb_csectors * 512, addend, - QCOW2_DISCARD_SNAPSHOT); - if (ret < 0) { - goto fail; - } - } - /* compressed clusters are never modified */ - refcount = 2; - } else { - uint64_t cluster_index = (offset & L2E_OFFSET_MASK) >> s->cluster_bits; - if (addend != 0) { - refcount = update_cluster_refcount(bs, cluster_index, addend, - QCOW2_DISCARD_SNAPSHOT); - } else { - refcount = get_refcount(bs, cluster_index); - } - - if (refcount < 0) { - ret = refcount; - goto fail; - } - } - - if (refcount == 1) { - offset |= QCOW_OFLAG_COPIED; - } - if (offset != old_offset) { - if (addend > 0) { - qcow2_cache_set_dependency(bs, s->l2_table_cache, - s->refcount_block_cache); - } - l2_table[j] = cpu_to_be64(offset); - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); - } - } - } - - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - goto fail; - } - - - if (addend != 0) { - refcount = update_cluster_refcount(bs, l2_offset >> s->cluster_bits, addend, - QCOW2_DISCARD_SNAPSHOT); - } else { - refcount = get_refcount(bs, l2_offset >> s->cluster_bits); - } - if (refcount < 0) { - ret = refcount; - goto fail; - } else if (refcount == 1) { - l2_offset |= QCOW_OFLAG_COPIED; - } - if (l2_offset != old_l2_offset) { - l1_table[i] = l2_offset; - l1_modified = 1; - } - } - } - - ret = bdrv_flush(bs); -fail: - if (l2_table) { - qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - } - - s->cache_discards = false; - qcow2_process_discards(bs, ret); - - /* Update L1 only if it isn't deleted anyway (addend = -1) */ - if (ret == 0 && addend >= 0 && l1_modified) { - for (i = 0; i < l1_size; i++) { - cpu_to_be64s(&l1_table[i]); - } - - ret = bdrv_pwrite_sync(bs->file, l1_table_offset, l1_table, l1_size2); - - for (i = 0; i < l1_size; i++) { - be64_to_cpus(&l1_table[i]); - } - } - if (l1_allocated) - g_free(l1_table); - return ret; -} - - - - -/*********************************************************/ -/* refcount checking functions */ - - - -/* - * Increases the refcount for a range of clusters in a given refcount table. - * This is used to construct a temporary refcount table out of L1 and L2 tables - * which can be compared the the refcount table saved in the image. - * - * Modifies the number of errors in res. - */ -static void inc_refcounts(BlockDriverState *bs, - BdrvCheckResult *res, - uint16_t *refcount_table, - int refcount_table_size, - int64_t offset, int64_t size) -{ - BDRVQcowState *s = bs->opaque; - int64_t start, last, cluster_offset; - int k; - - if (size <= 0) - return; - - start = offset & ~(s->cluster_size - 1); - last = (offset + size - 1) & ~(s->cluster_size - 1); - for(cluster_offset = start; cluster_offset <= last; - cluster_offset += s->cluster_size) { - k = cluster_offset >> s->cluster_bits; - if (k < 0) { - fprintf(stderr, "ERROR: invalid cluster offset=0x%" PRIx64 "\n", - cluster_offset); - res->corruptions++; - } else if (k >= refcount_table_size) { - fprintf(stderr, "Warning: cluster offset=0x%" PRIx64 " is after " - "the end of the image file, can't properly check refcounts.\n", - cluster_offset); - res->check_errors++; - } else { - if (++refcount_table[k] == 0) { - fprintf(stderr, "ERROR: overflow cluster offset=0x%" PRIx64 - "\n", cluster_offset); - res->corruptions++; - } - } - } -} - -/* Flags for check_refcounts_l1() and check_refcounts_l2() */ -enum { - CHECK_OFLAG_COPIED = 0x1, /* check QCOW_OFLAG_COPIED matches refcount */ - CHECK_FRAG_INFO = 0x2, /* update BlockFragInfo counters */ -}; - -/* - * Increases the refcount in the given refcount table for the all clusters - * referenced in the L2 table. While doing so, performs some checks on L2 - * entries. - * - * Returns the number of errors found by the checks or -errno if an internal - * error occurred. - */ -static int check_refcounts_l2(BlockDriverState *bs, BdrvCheckResult *res, - uint16_t *refcount_table, int refcount_table_size, int64_t l2_offset, - int flags) -{ - BDRVQcowState *s = bs->opaque; - uint64_t *l2_table, l2_entry; - uint64_t next_contiguous_offset = 0; - int i, l2_size, nb_csectors, refcount; - - /* Read L2 table from disk */ - l2_size = s->l2_size * sizeof(uint64_t); - l2_table = g_malloc(l2_size); - - if (bdrv_pread(bs->file, l2_offset, l2_table, l2_size) != l2_size) - goto fail; - - /* Do the actual checks */ - for(i = 0; i < s->l2_size; i++) { - l2_entry = be64_to_cpu(l2_table[i]); - - switch (qcow2_get_cluster_type(l2_entry)) { - case QCOW2_CLUSTER_COMPRESSED: - /* Compressed clusters don't have QCOW_OFLAG_COPIED */ - if (l2_entry & QCOW_OFLAG_COPIED) { - fprintf(stderr, "ERROR: cluster %" PRId64 ": " - "copied flag must never be set for compressed " - "clusters\n", l2_entry >> s->cluster_bits); - l2_entry &= ~QCOW_OFLAG_COPIED; - res->corruptions++; - } - - /* Mark cluster as used */ - nb_csectors = ((l2_entry >> s->csize_shift) & - s->csize_mask) + 1; - l2_entry &= s->cluster_offset_mask; - inc_refcounts(bs, res, refcount_table, refcount_table_size, - l2_entry & ~511, nb_csectors * 512); - - if (flags & CHECK_FRAG_INFO) { - res->bfi.allocated_clusters++; - res->bfi.compressed_clusters++; - - /* Compressed clusters are fragmented by nature. Since they - * take up sub-sector space but we only have sector granularity - * I/O we need to re-read the same sectors even for adjacent - * compressed clusters. - */ - res->bfi.fragmented_clusters++; - } - break; - - case QCOW2_CLUSTER_ZERO: - if ((l2_entry & L2E_OFFSET_MASK) == 0) { - break; - } - /* fall through */ - - case QCOW2_CLUSTER_NORMAL: - { - /* QCOW_OFLAG_COPIED must be set iff refcount == 1 */ - uint64_t offset = l2_entry & L2E_OFFSET_MASK; - - if (flags & CHECK_OFLAG_COPIED) { - refcount = get_refcount(bs, offset >> s->cluster_bits); - if (refcount < 0) { - fprintf(stderr, "Can't get refcount for offset %" - PRIx64 ": %s\n", l2_entry, strerror(-refcount)); - goto fail; - } - if ((refcount == 1) != ((l2_entry & QCOW_OFLAG_COPIED) != 0)) { - fprintf(stderr, "ERROR OFLAG_COPIED: offset=%" - PRIx64 " refcount=%d\n", l2_entry, refcount); - res->corruptions++; - } - } - - if (flags & CHECK_FRAG_INFO) { - res->bfi.allocated_clusters++; - if (next_contiguous_offset && - offset != next_contiguous_offset) { - res->bfi.fragmented_clusters++; - } - next_contiguous_offset = offset + s->cluster_size; - } - - /* Mark cluster as used */ - inc_refcounts(bs, res, refcount_table,refcount_table_size, - offset, s->cluster_size); - - /* Correct offsets are cluster aligned */ - if (offset & (s->cluster_size - 1)) { - fprintf(stderr, "ERROR offset=%" PRIx64 ": Cluster is not " - "properly aligned; L2 entry corrupted.\n", offset); - res->corruptions++; - } - break; - } - - case QCOW2_CLUSTER_UNALLOCATED: - break; - - default: - abort(); - } - } - - g_free(l2_table); - return 0; - -fail: - fprintf(stderr, "ERROR: I/O error in check_refcounts_l2\n"); - g_free(l2_table); - return -EIO; -} - -/* - * Increases the refcount for the L1 table, its L2 tables and all referenced - * clusters in the given refcount table. While doing so, performs some checks - * on L1 and L2 entries. - * - * Returns the number of errors found by the checks or -errno if an internal - * error occurred. - */ -static int check_refcounts_l1(BlockDriverState *bs, - BdrvCheckResult *res, - uint16_t *refcount_table, - int refcount_table_size, - int64_t l1_table_offset, int l1_size, - int flags) -{ - BDRVQcowState *s = bs->opaque; - uint64_t *l1_table, l2_offset, l1_size2; - int i, refcount, ret; - - l1_size2 = l1_size * sizeof(uint64_t); - - /* Mark L1 table as used */ - inc_refcounts(bs, res, refcount_table, refcount_table_size, - l1_table_offset, l1_size2); - - /* Read L1 table entries from disk */ - if (l1_size2 == 0) { - l1_table = NULL; - } else { - l1_table = g_malloc(l1_size2); - if (bdrv_pread(bs->file, l1_table_offset, - l1_table, l1_size2) != l1_size2) - goto fail; - for(i = 0;i < l1_size; i++) - be64_to_cpus(&l1_table[i]); - } - - /* Do the actual checks */ - for(i = 0; i < l1_size; i++) { - l2_offset = l1_table[i]; - if (l2_offset) { - /* QCOW_OFLAG_COPIED must be set iff refcount == 1 */ - if (flags & CHECK_OFLAG_COPIED) { - refcount = get_refcount(bs, (l2_offset & ~QCOW_OFLAG_COPIED) - >> s->cluster_bits); - if (refcount < 0) { - fprintf(stderr, "Can't get refcount for l2_offset %" - PRIx64 ": %s\n", l2_offset, strerror(-refcount)); - goto fail; - } - if ((refcount == 1) != ((l2_offset & QCOW_OFLAG_COPIED) != 0)) { - fprintf(stderr, "ERROR OFLAG_COPIED: l2_offset=%" PRIx64 - " refcount=%d\n", l2_offset, refcount); - res->corruptions++; - } - } - - /* Mark L2 table as used */ - l2_offset &= L1E_OFFSET_MASK; - inc_refcounts(bs, res, refcount_table, refcount_table_size, - l2_offset, s->cluster_size); - - /* L2 tables are cluster aligned */ - if (l2_offset & (s->cluster_size - 1)) { - fprintf(stderr, "ERROR l2_offset=%" PRIx64 ": Table is not " - "cluster aligned; L1 entry corrupted\n", l2_offset); - res->corruptions++; - } - - /* Process and check L2 entries */ - ret = check_refcounts_l2(bs, res, refcount_table, - refcount_table_size, l2_offset, flags); - if (ret < 0) { - goto fail; - } - } - } - g_free(l1_table); - return 0; - -fail: - fprintf(stderr, "ERROR: I/O error in check_refcounts_l1\n"); - res->check_errors++; - g_free(l1_table); - return -EIO; -} - -/* - * Checks an image for refcount consistency. - * - * Returns 0 if no errors are found, the number of errors in case the image is - * detected as corrupted, and -errno when an internal error occurred. - */ -int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res, - BdrvCheckMode fix) -{ - BDRVQcowState *s = bs->opaque; - int64_t size, i, highest_cluster; - int nb_clusters, refcount1, refcount2; - QCowSnapshot *sn; - uint16_t *refcount_table; - int ret; - - size = bdrv_getlength(bs->file); - nb_clusters = size_to_clusters(s, size); - refcount_table = g_malloc0(nb_clusters * sizeof(uint16_t)); - - res->bfi.total_clusters = - size_to_clusters(s, bs->total_sectors * BDRV_SECTOR_SIZE); - - /* header */ - inc_refcounts(bs, res, refcount_table, nb_clusters, - 0, s->cluster_size); - - /* current L1 table */ - ret = check_refcounts_l1(bs, res, refcount_table, nb_clusters, - s->l1_table_offset, s->l1_size, - CHECK_OFLAG_COPIED | CHECK_FRAG_INFO); - if (ret < 0) { - goto fail; - } - - /* snapshots */ - for(i = 0; i < s->nb_snapshots; i++) { - sn = s->snapshots + i; - ret = check_refcounts_l1(bs, res, refcount_table, nb_clusters, - sn->l1_table_offset, sn->l1_size, 0); - if (ret < 0) { - goto fail; - } - } - inc_refcounts(bs, res, refcount_table, nb_clusters, - s->snapshots_offset, s->snapshots_size); - - /* refcount data */ - inc_refcounts(bs, res, refcount_table, nb_clusters, - s->refcount_table_offset, - s->refcount_table_size * sizeof(uint64_t)); - - for(i = 0; i < s->refcount_table_size; i++) { - uint64_t offset, cluster; - offset = s->refcount_table[i]; - cluster = offset >> s->cluster_bits; - - /* Refcount blocks are cluster aligned */ - if (offset & (s->cluster_size - 1)) { - fprintf(stderr, "ERROR refcount block %" PRId64 " is not " - "cluster aligned; refcount table entry corrupted\n", i); - res->corruptions++; - continue; - } - - if (cluster >= nb_clusters) { - fprintf(stderr, "ERROR refcount block %" PRId64 - " is outside image\n", i); - res->corruptions++; - continue; - } - - if (offset != 0) { - inc_refcounts(bs, res, refcount_table, nb_clusters, - offset, s->cluster_size); - if (refcount_table[cluster] != 1) { - fprintf(stderr, "ERROR refcount block %" PRId64 - " refcount=%d\n", - i, refcount_table[cluster]); - res->corruptions++; - } - } - } - - /* compare ref counts */ - for (i = 0, highest_cluster = 0; i < nb_clusters; i++) { - refcount1 = get_refcount(bs, i); - if (refcount1 < 0) { - fprintf(stderr, "Can't get refcount for cluster %" PRId64 ": %s\n", - i, strerror(-refcount1)); - res->check_errors++; - continue; - } - - refcount2 = refcount_table[i]; - - if (refcount1 > 0 || refcount2 > 0) { - highest_cluster = i; - } - - if (refcount1 != refcount2) { - - /* Check if we're allowed to fix the mismatch */ - int *num_fixed = NULL; - if (refcount1 > refcount2 && (fix & BDRV_FIX_LEAKS)) { - num_fixed = &res->leaks_fixed; - } else if (refcount1 < refcount2 && (fix & BDRV_FIX_ERRORS)) { - num_fixed = &res->corruptions_fixed; - } - - fprintf(stderr, "%s cluster %" PRId64 " refcount=%d reference=%d\n", - num_fixed != NULL ? "Repairing" : - refcount1 < refcount2 ? "ERROR" : - "Leaked", - i, refcount1, refcount2); - - if (num_fixed) { - ret = update_refcount(bs, i << s->cluster_bits, 1, - refcount2 - refcount1, - QCOW2_DISCARD_ALWAYS); - if (ret >= 0) { - (*num_fixed)++; - continue; - } - } - - /* And if we couldn't, print an error */ - if (refcount1 < refcount2) { - res->corruptions++; - } else { - res->leaks++; - } - } - } - - res->image_end_offset = (highest_cluster + 1) * s->cluster_size; - ret = 0; - -fail: - g_free(refcount_table); - - return ret; -} - diff --git a/contrib/qemu/block/qcow2-snapshot.c b/contrib/qemu/block/qcow2-snapshot.c deleted file mode 100644 index 0caac9055f8..00000000000 --- a/contrib/qemu/block/qcow2-snapshot.c +++ /dev/null @@ -1,660 +0,0 @@ -/* - * Block driver for the QCOW version 2 format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu-common.h" -#include "block/block_int.h" -#include "block/qcow2.h" - -typedef struct QEMU_PACKED QCowSnapshotHeader { - /* header is 8 byte aligned */ - uint64_t l1_table_offset; - - uint32_t l1_size; - uint16_t id_str_size; - uint16_t name_size; - - uint32_t date_sec; - uint32_t date_nsec; - - uint64_t vm_clock_nsec; - - uint32_t vm_state_size; - uint32_t extra_data_size; /* for extension */ - /* extra data follows */ - /* id_str follows */ - /* name follows */ -} QCowSnapshotHeader; - -typedef struct QEMU_PACKED QCowSnapshotExtraData { - uint64_t vm_state_size_large; - uint64_t disk_size; -} QCowSnapshotExtraData; - -void qcow2_free_snapshots(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - int i; - - for(i = 0; i < s->nb_snapshots; i++) { - g_free(s->snapshots[i].name); - g_free(s->snapshots[i].id_str); - } - g_free(s->snapshots); - s->snapshots = NULL; - s->nb_snapshots = 0; -} - -int qcow2_read_snapshots(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshotHeader h; - QCowSnapshotExtraData extra; - QCowSnapshot *sn; - int i, id_str_size, name_size; - int64_t offset; - uint32_t extra_data_size; - int ret; - - if (!s->nb_snapshots) { - s->snapshots = NULL; - s->snapshots_size = 0; - return 0; - } - - offset = s->snapshots_offset; - s->snapshots = g_malloc0(s->nb_snapshots * sizeof(QCowSnapshot)); - - for(i = 0; i < s->nb_snapshots; i++) { - /* Read statically sized part of the snapshot header */ - offset = align_offset(offset, 8); - ret = bdrv_pread(bs->file, offset, &h, sizeof(h)); - if (ret < 0) { - goto fail; - } - - offset += sizeof(h); - sn = s->snapshots + i; - sn->l1_table_offset = be64_to_cpu(h.l1_table_offset); - sn->l1_size = be32_to_cpu(h.l1_size); - sn->vm_state_size = be32_to_cpu(h.vm_state_size); - sn->date_sec = be32_to_cpu(h.date_sec); - sn->date_nsec = be32_to_cpu(h.date_nsec); - sn->vm_clock_nsec = be64_to_cpu(h.vm_clock_nsec); - extra_data_size = be32_to_cpu(h.extra_data_size); - - id_str_size = be16_to_cpu(h.id_str_size); - name_size = be16_to_cpu(h.name_size); - - /* Read extra data */ - ret = bdrv_pread(bs->file, offset, &extra, - MIN(sizeof(extra), extra_data_size)); - if (ret < 0) { - goto fail; - } - offset += extra_data_size; - - if (extra_data_size >= 8) { - sn->vm_state_size = be64_to_cpu(extra.vm_state_size_large); - } - - if (extra_data_size >= 16) { - sn->disk_size = be64_to_cpu(extra.disk_size); - } else { - sn->disk_size = bs->total_sectors * BDRV_SECTOR_SIZE; - } - - /* Read snapshot ID */ - sn->id_str = g_malloc(id_str_size + 1); - ret = bdrv_pread(bs->file, offset, sn->id_str, id_str_size); - if (ret < 0) { - goto fail; - } - offset += id_str_size; - sn->id_str[id_str_size] = '\0'; - - /* Read snapshot name */ - sn->name = g_malloc(name_size + 1); - ret = bdrv_pread(bs->file, offset, sn->name, name_size); - if (ret < 0) { - goto fail; - } - offset += name_size; - sn->name[name_size] = '\0'; - } - - s->snapshots_size = offset - s->snapshots_offset; - return 0; - -fail: - qcow2_free_snapshots(bs); - return ret; -} - -/* add at the end of the file a new list of snapshots */ -static int qcow2_write_snapshots(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshot *sn; - QCowSnapshotHeader h; - QCowSnapshotExtraData extra; - int i, name_size, id_str_size, snapshots_size; - struct { - uint32_t nb_snapshots; - uint64_t snapshots_offset; - } QEMU_PACKED header_data; - int64_t offset, snapshots_offset; - int ret; - - /* compute the size of the snapshots */ - offset = 0; - for(i = 0; i < s->nb_snapshots; i++) { - sn = s->snapshots + i; - offset = align_offset(offset, 8); - offset += sizeof(h); - offset += sizeof(extra); - offset += strlen(sn->id_str); - offset += strlen(sn->name); - } - snapshots_size = offset; - - /* Allocate space for the new snapshot list */ - snapshots_offset = qcow2_alloc_clusters(bs, snapshots_size); - offset = snapshots_offset; - if (offset < 0) { - return offset; - } - ret = bdrv_flush(bs); - if (ret < 0) { - return ret; - } - - /* Write all snapshots to the new list */ - for(i = 0; i < s->nb_snapshots; i++) { - sn = s->snapshots + i; - memset(&h, 0, sizeof(h)); - h.l1_table_offset = cpu_to_be64(sn->l1_table_offset); - h.l1_size = cpu_to_be32(sn->l1_size); - /* If it doesn't fit in 32 bit, older implementations should treat it - * as a disk-only snapshot rather than truncate the VM state */ - if (sn->vm_state_size <= 0xffffffff) { - h.vm_state_size = cpu_to_be32(sn->vm_state_size); - } - h.date_sec = cpu_to_be32(sn->date_sec); - h.date_nsec = cpu_to_be32(sn->date_nsec); - h.vm_clock_nsec = cpu_to_be64(sn->vm_clock_nsec); - h.extra_data_size = cpu_to_be32(sizeof(extra)); - - memset(&extra, 0, sizeof(extra)); - extra.vm_state_size_large = cpu_to_be64(sn->vm_state_size); - extra.disk_size = cpu_to_be64(sn->disk_size); - - id_str_size = strlen(sn->id_str); - name_size = strlen(sn->name); - h.id_str_size = cpu_to_be16(id_str_size); - h.name_size = cpu_to_be16(name_size); - offset = align_offset(offset, 8); - - ret = bdrv_pwrite(bs->file, offset, &h, sizeof(h)); - if (ret < 0) { - goto fail; - } - offset += sizeof(h); - - ret = bdrv_pwrite(bs->file, offset, &extra, sizeof(extra)); - if (ret < 0) { - goto fail; - } - offset += sizeof(extra); - - ret = bdrv_pwrite(bs->file, offset, sn->id_str, id_str_size); - if (ret < 0) { - goto fail; - } - offset += id_str_size; - - ret = bdrv_pwrite(bs->file, offset, sn->name, name_size); - if (ret < 0) { - goto fail; - } - offset += name_size; - } - - /* - * Update the header to point to the new snapshot table. This requires the - * new table and its refcounts to be stable on disk. - */ - ret = bdrv_flush(bs); - if (ret < 0) { - goto fail; - } - - QEMU_BUILD_BUG_ON(offsetof(QCowHeader, snapshots_offset) != - offsetof(QCowHeader, nb_snapshots) + sizeof(header_data.nb_snapshots)); - - header_data.nb_snapshots = cpu_to_be32(s->nb_snapshots); - header_data.snapshots_offset = cpu_to_be64(snapshots_offset); - - ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, nb_snapshots), - &header_data, sizeof(header_data)); - if (ret < 0) { - goto fail; - } - - /* free the old snapshot table */ - qcow2_free_clusters(bs, s->snapshots_offset, s->snapshots_size, - QCOW2_DISCARD_SNAPSHOT); - s->snapshots_offset = snapshots_offset; - s->snapshots_size = snapshots_size; - return 0; - -fail: - return ret; -} - -static void find_new_snapshot_id(BlockDriverState *bs, - char *id_str, int id_str_size) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshot *sn; - int i, id, id_max = 0; - - for(i = 0; i < s->nb_snapshots; i++) { - sn = s->snapshots + i; - id = strtoul(sn->id_str, NULL, 10); - if (id > id_max) - id_max = id; - } - snprintf(id_str, id_str_size, "%d", id_max + 1); -} - -static int find_snapshot_by_id(BlockDriverState *bs, const char *id_str) -{ - BDRVQcowState *s = bs->opaque; - int i; - - for(i = 0; i < s->nb_snapshots; i++) { - if (!strcmp(s->snapshots[i].id_str, id_str)) - return i; - } - return -1; -} - -static int find_snapshot_by_id_or_name(BlockDriverState *bs, const char *name) -{ - BDRVQcowState *s = bs->opaque; - int i, ret; - - ret = find_snapshot_by_id(bs, name); - if (ret >= 0) - return ret; - for(i = 0; i < s->nb_snapshots; i++) { - if (!strcmp(s->snapshots[i].name, name)) - return i; - } - return -1; -} - -/* if no id is provided, a new one is constructed */ -int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshot *new_snapshot_list = NULL; - QCowSnapshot *old_snapshot_list = NULL; - QCowSnapshot sn1, *sn = &sn1; - int i, ret; - uint64_t *l1_table = NULL; - int64_t l1_table_offset; - - memset(sn, 0, sizeof(*sn)); - - /* Generate an ID if it wasn't passed */ - if (sn_info->id_str[0] == '\0') { - find_new_snapshot_id(bs, sn_info->id_str, sizeof(sn_info->id_str)); - } - - /* Check that the ID is unique */ - if (find_snapshot_by_id(bs, sn_info->id_str) >= 0) { - return -EEXIST; - } - - /* Populate sn with passed data */ - sn->id_str = g_strdup(sn_info->id_str); - sn->name = g_strdup(sn_info->name); - - sn->disk_size = bs->total_sectors * BDRV_SECTOR_SIZE; - sn->vm_state_size = sn_info->vm_state_size; - sn->date_sec = sn_info->date_sec; - sn->date_nsec = sn_info->date_nsec; - sn->vm_clock_nsec = sn_info->vm_clock_nsec; - - /* Allocate the L1 table of the snapshot and copy the current one there. */ - l1_table_offset = qcow2_alloc_clusters(bs, s->l1_size * sizeof(uint64_t)); - if (l1_table_offset < 0) { - ret = l1_table_offset; - goto fail; - } - - sn->l1_table_offset = l1_table_offset; - sn->l1_size = s->l1_size; - - l1_table = g_malloc(s->l1_size * sizeof(uint64_t)); - for(i = 0; i < s->l1_size; i++) { - l1_table[i] = cpu_to_be64(s->l1_table[i]); - } - - ret = bdrv_pwrite(bs->file, sn->l1_table_offset, l1_table, - s->l1_size * sizeof(uint64_t)); - if (ret < 0) { - goto fail; - } - - g_free(l1_table); - l1_table = NULL; - - /* - * Increase the refcounts of all clusters and make sure everything is - * stable on disk before updating the snapshot table to contain a pointer - * to the new L1 table. - */ - ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, 1); - if (ret < 0) { - goto fail; - } - - /* Append the new snapshot to the snapshot list */ - new_snapshot_list = g_malloc((s->nb_snapshots + 1) * sizeof(QCowSnapshot)); - if (s->snapshots) { - memcpy(new_snapshot_list, s->snapshots, - s->nb_snapshots * sizeof(QCowSnapshot)); - old_snapshot_list = s->snapshots; - } - s->snapshots = new_snapshot_list; - s->snapshots[s->nb_snapshots++] = *sn; - - ret = qcow2_write_snapshots(bs); - if (ret < 0) { - g_free(s->snapshots); - s->snapshots = old_snapshot_list; - goto fail; - } - - g_free(old_snapshot_list); - -#ifdef DEBUG_ALLOC - { - BdrvCheckResult result = {0}; - qcow2_check_refcounts(bs, &result, 0); - } -#endif - return 0; - -fail: - g_free(sn->id_str); - g_free(sn->name); - g_free(l1_table); - - return ret; -} - -/* copy the snapshot 'snapshot_name' into the current disk image */ -int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshot *sn; - int i, snapshot_index; - int cur_l1_bytes, sn_l1_bytes; - int ret; - uint64_t *sn_l1_table = NULL; - - /* Search the snapshot */ - snapshot_index = find_snapshot_by_id_or_name(bs, snapshot_id); - if (snapshot_index < 0) { - return -ENOENT; - } - sn = &s->snapshots[snapshot_index]; - - if (sn->disk_size != bs->total_sectors * BDRV_SECTOR_SIZE) { - error_report("qcow2: Loading snapshots with different disk " - "size is not implemented"); - ret = -ENOTSUP; - goto fail; - } - - /* - * Make sure that the current L1 table is big enough to contain the whole - * L1 table of the snapshot. If the snapshot L1 table is smaller, the - * current one must be padded with zeros. - */ - ret = qcow2_grow_l1_table(bs, sn->l1_size, true); - if (ret < 0) { - goto fail; - } - - cur_l1_bytes = s->l1_size * sizeof(uint64_t); - sn_l1_bytes = sn->l1_size * sizeof(uint64_t); - - /* - * Copy the snapshot L1 table to the current L1 table. - * - * Before overwriting the old current L1 table on disk, make sure to - * increase all refcounts for the clusters referenced by the new one. - * Decrease the refcount referenced by the old one only when the L1 - * table is overwritten. - */ - sn_l1_table = g_malloc0(cur_l1_bytes); - - ret = bdrv_pread(bs->file, sn->l1_table_offset, sn_l1_table, sn_l1_bytes); - if (ret < 0) { - goto fail; - } - - ret = qcow2_update_snapshot_refcount(bs, sn->l1_table_offset, - sn->l1_size, 1); - if (ret < 0) { - goto fail; - } - - ret = bdrv_pwrite_sync(bs->file, s->l1_table_offset, sn_l1_table, - cur_l1_bytes); - if (ret < 0) { - goto fail; - } - - /* - * Decrease refcount of clusters of current L1 table. - * - * At this point, the in-memory s->l1_table points to the old L1 table, - * whereas on disk we already have the new one. - * - * qcow2_update_snapshot_refcount special cases the current L1 table to use - * the in-memory data instead of really using the offset to load a new one, - * which is why this works. - */ - ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, - s->l1_size, -1); - - /* - * Now update the in-memory L1 table to be in sync with the on-disk one. We - * need to do this even if updating refcounts failed. - */ - for(i = 0;i < s->l1_size; i++) { - s->l1_table[i] = be64_to_cpu(sn_l1_table[i]); - } - - if (ret < 0) { - goto fail; - } - - g_free(sn_l1_table); - sn_l1_table = NULL; - - /* - * Update QCOW_OFLAG_COPIED in the active L1 table (it may have changed - * when we decreased the refcount of the old snapshot. - */ - ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, 0); - if (ret < 0) { - goto fail; - } - -#ifdef DEBUG_ALLOC - { - BdrvCheckResult result = {0}; - qcow2_check_refcounts(bs, &result, 0); - } -#endif - return 0; - -fail: - g_free(sn_l1_table); - return ret; -} - -int qcow2_snapshot_delete(BlockDriverState *bs, const char *snapshot_id) -{ - BDRVQcowState *s = bs->opaque; - QCowSnapshot sn; - int snapshot_index, ret; - - /* Search the snapshot */ - snapshot_index = find_snapshot_by_id_or_name(bs, snapshot_id); - if (snapshot_index < 0) { - return -ENOENT; - } - sn = s->snapshots[snapshot_index]; - - /* Remove it from the snapshot list */ - memmove(s->snapshots + snapshot_index, - s->snapshots + snapshot_index + 1, - (s->nb_snapshots - snapshot_index - 1) * sizeof(sn)); - s->nb_snapshots--; - ret = qcow2_write_snapshots(bs); - if (ret < 0) { - return ret; - } - - /* - * The snapshot is now unused, clean up. If we fail after this point, we - * won't recover but just leak clusters. - */ - g_free(sn.id_str); - g_free(sn.name); - - /* - * Now decrease the refcounts of clusters referenced by the snapshot and - * free the L1 table. - */ - ret = qcow2_update_snapshot_refcount(bs, sn.l1_table_offset, - sn.l1_size, -1); - if (ret < 0) { - return ret; - } - qcow2_free_clusters(bs, sn.l1_table_offset, sn.l1_size * sizeof(uint64_t), - QCOW2_DISCARD_SNAPSHOT); - - /* must update the copied flag on the current cluster offsets */ - ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, 0); - if (ret < 0) { - return ret; - } - -#ifdef DEBUG_ALLOC - { - BdrvCheckResult result = {0}; - qcow2_check_refcounts(bs, &result, 0); - } -#endif - return 0; -} - -int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab) -{ - BDRVQcowState *s = bs->opaque; - QEMUSnapshotInfo *sn_tab, *sn_info; - QCowSnapshot *sn; - int i; - - if (!s->nb_snapshots) { - *psn_tab = NULL; - return s->nb_snapshots; - } - - sn_tab = g_malloc0(s->nb_snapshots * sizeof(QEMUSnapshotInfo)); - for(i = 0; i < s->nb_snapshots; i++) { - sn_info = sn_tab + i; - sn = s->snapshots + i; - pstrcpy(sn_info->id_str, sizeof(sn_info->id_str), - sn->id_str); - pstrcpy(sn_info->name, sizeof(sn_info->name), - sn->name); - sn_info->vm_state_size = sn->vm_state_size; - sn_info->date_sec = sn->date_sec; - sn_info->date_nsec = sn->date_nsec; - sn_info->vm_clock_nsec = sn->vm_clock_nsec; - } - *psn_tab = sn_tab; - return s->nb_snapshots; -} - -int qcow2_snapshot_load_tmp(BlockDriverState *bs, const char *snapshot_name) -{ - int i, snapshot_index; - BDRVQcowState *s = bs->opaque; - QCowSnapshot *sn; - uint64_t *new_l1_table; - int new_l1_bytes; - int ret; - - assert(bs->read_only); - - /* Search the snapshot */ - snapshot_index = find_snapshot_by_id_or_name(bs, snapshot_name); - if (snapshot_index < 0) { - return -ENOENT; - } - sn = &s->snapshots[snapshot_index]; - - /* Allocate and read in the snapshot's L1 table */ - new_l1_bytes = s->l1_size * sizeof(uint64_t); - new_l1_table = g_malloc0(align_offset(new_l1_bytes, 512)); - - ret = bdrv_pread(bs->file, sn->l1_table_offset, new_l1_table, new_l1_bytes); - if (ret < 0) { - g_free(new_l1_table); - return ret; - } - - /* Switch the L1 table */ - g_free(s->l1_table); - - s->l1_size = sn->l1_size; - s->l1_table_offset = sn->l1_table_offset; - s->l1_table = new_l1_table; - - for(i = 0;i < s->l1_size; i++) { - be64_to_cpus(&s->l1_table[i]); - } - - return 0; -} diff --git a/contrib/qemu/block/qcow2.c b/contrib/qemu/block/qcow2.c deleted file mode 100644 index 0eceefe2cd9..00000000000 --- a/contrib/qemu/block/qcow2.c +++ /dev/null @@ -1,1825 +0,0 @@ -/* - * Block driver for the QCOW version 2 format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu-common.h" -#include "block/block_int.h" -#include "qemu/module.h" -#include <zlib.h> -#include "qemu/aes.h" -#include "block/qcow2.h" -#include "qemu/error-report.h" -#include "qapi/qmp/qerror.h" -#include "qapi/qmp/qbool.h" -#include "trace.h" - -/* - Differences with QCOW: - - - Support for multiple incremental snapshots. - - Memory management by reference counts. - - Clusters which have a reference count of one have the bit - QCOW_OFLAG_COPIED to optimize write performance. - - Size of compressed clusters is stored in sectors to reduce bit usage - in the cluster offsets. - - Support for storing additional data (such as the VM state) in the - snapshots. - - If a backing store is used, the cluster size is not constrained - (could be backported to QCOW). - - L2 tables have always a size of one cluster. -*/ - - -typedef struct { - uint32_t magic; - uint32_t len; -} QCowExtension; - -#define QCOW2_EXT_MAGIC_END 0 -#define QCOW2_EXT_MAGIC_BACKING_FORMAT 0xE2792ACA -#define QCOW2_EXT_MAGIC_FEATURE_TABLE 0x6803f857 - -static int qcow2_probe(const uint8_t *buf, int buf_size, const char *filename) -{ - const QCowHeader *cow_header = (const void *)buf; - - if (buf_size >= sizeof(QCowHeader) && - be32_to_cpu(cow_header->magic) == QCOW_MAGIC && - be32_to_cpu(cow_header->version) >= 2) - return 100; - else - return 0; -} - - -/* - * read qcow2 extension and fill bs - * start reading from start_offset - * finish reading upon magic of value 0 or when end_offset reached - * unknown magic is skipped (future extension this version knows nothing about) - * return 0 upon success, non-0 otherwise - */ -static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, - uint64_t end_offset, void **p_feature_table) -{ - BDRVQcowState *s = bs->opaque; - QCowExtension ext; - uint64_t offset; - int ret; - -#ifdef DEBUG_EXT - printf("qcow2_read_extensions: start=%ld end=%ld\n", start_offset, end_offset); -#endif - offset = start_offset; - while (offset < end_offset) { - -#ifdef DEBUG_EXT - /* Sanity check */ - if (offset > s->cluster_size) - printf("qcow2_read_extension: suspicious offset %lu\n", offset); - - printf("attempting to read extended header in offset %lu\n", offset); -#endif - - if (bdrv_pread(bs->file, offset, &ext, sizeof(ext)) != sizeof(ext)) { - fprintf(stderr, "qcow2_read_extension: ERROR: " - "pread fail from offset %" PRIu64 "\n", - offset); - return 1; - } - be32_to_cpus(&ext.magic); - be32_to_cpus(&ext.len); - offset += sizeof(ext); -#ifdef DEBUG_EXT - printf("ext.magic = 0x%x\n", ext.magic); -#endif - if (ext.len > end_offset - offset) { - error_report("Header extension too large"); - return -EINVAL; - } - - switch (ext.magic) { - case QCOW2_EXT_MAGIC_END: - return 0; - - case QCOW2_EXT_MAGIC_BACKING_FORMAT: - if (ext.len >= sizeof(bs->backing_format)) { - fprintf(stderr, "ERROR: ext_backing_format: len=%u too large" - " (>=%zu)\n", - ext.len, sizeof(bs->backing_format)); - return 2; - } - if (bdrv_pread(bs->file, offset , bs->backing_format, - ext.len) != ext.len) - return 3; - bs->backing_format[ext.len] = '\0'; -#ifdef DEBUG_EXT - printf("Qcow2: Got format extension %s\n", bs->backing_format); -#endif - break; - - case QCOW2_EXT_MAGIC_FEATURE_TABLE: - if (p_feature_table != NULL) { - void* feature_table = g_malloc0(ext.len + 2 * sizeof(Qcow2Feature)); - ret = bdrv_pread(bs->file, offset , feature_table, ext.len); - if (ret < 0) { - return ret; - } - - *p_feature_table = feature_table; - } - break; - - default: - /* unknown magic - save it in case we need to rewrite the header */ - { - Qcow2UnknownHeaderExtension *uext; - - uext = g_malloc0(sizeof(*uext) + ext.len); - uext->magic = ext.magic; - uext->len = ext.len; - QLIST_INSERT_HEAD(&s->unknown_header_ext, uext, next); - - ret = bdrv_pread(bs->file, offset , uext->data, uext->len); - if (ret < 0) { - return ret; - } - } - break; - } - - offset += ((ext.len + 7) & ~7); - } - - return 0; -} - -static void cleanup_unknown_header_ext(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - Qcow2UnknownHeaderExtension *uext, *next; - - QLIST_FOREACH_SAFE(uext, &s->unknown_header_ext, next, next) { - QLIST_REMOVE(uext, next); - g_free(uext); - } -} - -static void GCC_FMT_ATTR(2, 3) report_unsupported(BlockDriverState *bs, - const char *fmt, ...) -{ - char msg[64]; - va_list ap; - - va_start(ap, fmt); - vsnprintf(msg, sizeof(msg), fmt, ap); - va_end(ap); - - qerror_report(QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "qcow2", msg); -} - -static void report_unsupported_feature(BlockDriverState *bs, - Qcow2Feature *table, uint64_t mask) -{ - while (table && table->name[0] != '\0') { - if (table->type == QCOW2_FEAT_TYPE_INCOMPATIBLE) { - if (mask & (1 << table->bit)) { - report_unsupported(bs, "%.46s",table->name); - mask &= ~(1 << table->bit); - } - } - table++; - } - - if (mask) { - report_unsupported(bs, "Unknown incompatible feature: %" PRIx64, mask); - } -} - -/* - * Sets the dirty bit and flushes afterwards if necessary. - * - * The incompatible_features bit is only set if the image file header was - * updated successfully. Therefore it is not required to check the return - * value of this function. - */ -int qcow2_mark_dirty(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - uint64_t val; - int ret; - - assert(s->qcow_version >= 3); - - if (s->incompatible_features & QCOW2_INCOMPAT_DIRTY) { - return 0; /* already dirty */ - } - - val = cpu_to_be64(s->incompatible_features | QCOW2_INCOMPAT_DIRTY); - ret = bdrv_pwrite(bs->file, offsetof(QCowHeader, incompatible_features), - &val, sizeof(val)); - if (ret < 0) { - return ret; - } - ret = bdrv_flush(bs->file); - if (ret < 0) { - return ret; - } - - /* Only treat image as dirty if the header was updated successfully */ - s->incompatible_features |= QCOW2_INCOMPAT_DIRTY; - return 0; -} - -/* - * Clears the dirty bit and flushes before if necessary. Only call this - * function when there are no pending requests, it does not guard against - * concurrent requests dirtying the image. - */ -static int qcow2_mark_clean(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - - if (s->incompatible_features & QCOW2_INCOMPAT_DIRTY) { - int ret = bdrv_flush(bs); - if (ret < 0) { - return ret; - } - - s->incompatible_features &= ~QCOW2_INCOMPAT_DIRTY; - return qcow2_update_header(bs); - } - return 0; -} - -static int qcow2_check(BlockDriverState *bs, BdrvCheckResult *result, - BdrvCheckMode fix) -{ - int ret = qcow2_check_refcounts(bs, result, fix); - if (ret < 0) { - return ret; - } - - if (fix && result->check_errors == 0 && result->corruptions == 0) { - return qcow2_mark_clean(bs); - } - return ret; -} - -static QemuOptsList qcow2_runtime_opts = { - .name = "qcow2", - .head = QTAILQ_HEAD_INITIALIZER(qcow2_runtime_opts.head), - .desc = { - { - .name = "lazy_refcounts", - .type = QEMU_OPT_BOOL, - .help = "Postpone refcount updates", - }, - { - .name = QCOW2_OPT_DISCARD_REQUEST, - .type = QEMU_OPT_BOOL, - .help = "Pass guest discard requests to the layer below", - }, - { - .name = QCOW2_OPT_DISCARD_SNAPSHOT, - .type = QEMU_OPT_BOOL, - .help = "Generate discard requests when snapshot related space " - "is freed", - }, - { - .name = QCOW2_OPT_DISCARD_OTHER, - .type = QEMU_OPT_BOOL, - .help = "Generate discard requests when other clusters are freed", - }, - { /* end of list */ } - }, -}; - -static int qcow2_open(BlockDriverState *bs, QDict *options, int flags) -{ - BDRVQcowState *s = bs->opaque; - int len, i, ret = 0; - QCowHeader header; - QemuOpts *opts; - Error *local_err = NULL; - uint64_t ext_end; - uint64_t l1_vm_state_index; - - ret = bdrv_pread(bs->file, 0, &header, sizeof(header)); - if (ret < 0) { - goto fail; - } - be32_to_cpus(&header.magic); - be32_to_cpus(&header.version); - be64_to_cpus(&header.backing_file_offset); - be32_to_cpus(&header.backing_file_size); - be64_to_cpus(&header.size); - be32_to_cpus(&header.cluster_bits); - be32_to_cpus(&header.crypt_method); - be64_to_cpus(&header.l1_table_offset); - be32_to_cpus(&header.l1_size); - be64_to_cpus(&header.refcount_table_offset); - be32_to_cpus(&header.refcount_table_clusters); - be64_to_cpus(&header.snapshots_offset); - be32_to_cpus(&header.nb_snapshots); - - if (header.magic != QCOW_MAGIC) { - ret = -EMEDIUMTYPE; - goto fail; - } - if (header.version < 2 || header.version > 3) { - report_unsupported(bs, "QCOW version %d", header.version); - ret = -ENOTSUP; - goto fail; - } - - s->qcow_version = header.version; - - /* Initialise version 3 header fields */ - if (header.version == 2) { - header.incompatible_features = 0; - header.compatible_features = 0; - header.autoclear_features = 0; - header.refcount_order = 4; - header.header_length = 72; - } else { - be64_to_cpus(&header.incompatible_features); - be64_to_cpus(&header.compatible_features); - be64_to_cpus(&header.autoclear_features); - be32_to_cpus(&header.refcount_order); - be32_to_cpus(&header.header_length); - } - - if (header.header_length > sizeof(header)) { - s->unknown_header_fields_size = header.header_length - sizeof(header); - s->unknown_header_fields = g_malloc(s->unknown_header_fields_size); - ret = bdrv_pread(bs->file, sizeof(header), s->unknown_header_fields, - s->unknown_header_fields_size); - if (ret < 0) { - goto fail; - } - } - - if (header.backing_file_offset) { - ext_end = header.backing_file_offset; - } else { - ext_end = 1 << header.cluster_bits; - } - - /* Handle feature bits */ - s->incompatible_features = header.incompatible_features; - s->compatible_features = header.compatible_features; - s->autoclear_features = header.autoclear_features; - - if (s->incompatible_features & ~QCOW2_INCOMPAT_MASK) { - void *feature_table = NULL; - qcow2_read_extensions(bs, header.header_length, ext_end, - &feature_table); - report_unsupported_feature(bs, feature_table, - s->incompatible_features & - ~QCOW2_INCOMPAT_MASK); - ret = -ENOTSUP; - goto fail; - } - - /* Check support for various header values */ - if (header.refcount_order != 4) { - report_unsupported(bs, "%d bit reference counts", - 1 << header.refcount_order); - ret = -ENOTSUP; - goto fail; - } - - if (header.cluster_bits < MIN_CLUSTER_BITS || - header.cluster_bits > MAX_CLUSTER_BITS) { - ret = -EINVAL; - goto fail; - } - if (header.crypt_method > QCOW_CRYPT_AES) { - ret = -EINVAL; - goto fail; - } - s->crypt_method_header = header.crypt_method; - if (s->crypt_method_header) { - bs->encrypted = 1; - } - s->cluster_bits = header.cluster_bits; - s->cluster_size = 1 << s->cluster_bits; - s->cluster_sectors = 1 << (s->cluster_bits - 9); - s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */ - s->l2_size = 1 << s->l2_bits; - bs->total_sectors = header.size / 512; - s->csize_shift = (62 - (s->cluster_bits - 8)); - s->csize_mask = (1 << (s->cluster_bits - 8)) - 1; - s->cluster_offset_mask = (1LL << s->csize_shift) - 1; - s->refcount_table_offset = header.refcount_table_offset; - s->refcount_table_size = - header.refcount_table_clusters << (s->cluster_bits - 3); - - s->snapshots_offset = header.snapshots_offset; - s->nb_snapshots = header.nb_snapshots; - - /* read the level 1 table */ - s->l1_size = header.l1_size; - - l1_vm_state_index = size_to_l1(s, header.size); - if (l1_vm_state_index > INT_MAX) { - ret = -EFBIG; - goto fail; - } - s->l1_vm_state_index = l1_vm_state_index; - - /* the L1 table must contain at least enough entries to put - header.size bytes */ - if (s->l1_size < s->l1_vm_state_index) { - ret = -EINVAL; - goto fail; - } - s->l1_table_offset = header.l1_table_offset; - if (s->l1_size > 0) { - s->l1_table = g_malloc0( - align_offset(s->l1_size * sizeof(uint64_t), 512)); - ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table, - s->l1_size * sizeof(uint64_t)); - if (ret < 0) { - goto fail; - } - for(i = 0;i < s->l1_size; i++) { - be64_to_cpus(&s->l1_table[i]); - } - } - - /* alloc L2 table/refcount block cache */ - s->l2_table_cache = qcow2_cache_create(bs, L2_CACHE_SIZE); - s->refcount_block_cache = qcow2_cache_create(bs, REFCOUNT_CACHE_SIZE); - - s->cluster_cache = g_malloc(s->cluster_size); - /* one more sector for decompressed data alignment */ - s->cluster_data = qemu_blockalign(bs, QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size - + 512); - s->cluster_cache_offset = -1; - s->flags = flags; - - ret = qcow2_refcount_init(bs); - if (ret != 0) { - goto fail; - } - - QLIST_INIT(&s->cluster_allocs); - QTAILQ_INIT(&s->discards); - - /* read qcow2 extensions */ - if (qcow2_read_extensions(bs, header.header_length, ext_end, NULL)) { - ret = -EINVAL; - goto fail; - } - - /* read the backing file name */ - if (header.backing_file_offset != 0) { - len = header.backing_file_size; - if (len > 1023) { - len = 1023; - } - ret = bdrv_pread(bs->file, header.backing_file_offset, - bs->backing_file, len); - if (ret < 0) { - goto fail; - } - bs->backing_file[len] = '\0'; - } - - ret = qcow2_read_snapshots(bs); - if (ret < 0) { - goto fail; - } - - /* Clear unknown autoclear feature bits */ - if (!bs->read_only && s->autoclear_features != 0) { - s->autoclear_features = 0; - ret = qcow2_update_header(bs); - if (ret < 0) { - goto fail; - } - } - - /* Initialise locks */ - qemu_co_mutex_init(&s->lock); - - /* Repair image if dirty */ - if (!(flags & BDRV_O_CHECK) && !bs->read_only && - (s->incompatible_features & QCOW2_INCOMPAT_DIRTY)) { - BdrvCheckResult result = {0}; - - ret = qcow2_check(bs, &result, BDRV_FIX_ERRORS); - if (ret < 0) { - goto fail; - } - } - - /* Enable lazy_refcounts according to image and command line options */ - opts = qemu_opts_create_nofail(&qcow2_runtime_opts); - qemu_opts_absorb_qdict(opts, options, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - ret = -EINVAL; - goto fail; - } - - s->use_lazy_refcounts = qemu_opt_get_bool(opts, QCOW2_OPT_LAZY_REFCOUNTS, - (s->compatible_features & QCOW2_COMPAT_LAZY_REFCOUNTS)); - - s->discard_passthrough[QCOW2_DISCARD_NEVER] = false; - s->discard_passthrough[QCOW2_DISCARD_ALWAYS] = true; - s->discard_passthrough[QCOW2_DISCARD_REQUEST] = - qemu_opt_get_bool(opts, QCOW2_OPT_DISCARD_REQUEST, - flags & BDRV_O_UNMAP); - s->discard_passthrough[QCOW2_DISCARD_SNAPSHOT] = - qemu_opt_get_bool(opts, QCOW2_OPT_DISCARD_SNAPSHOT, true); - s->discard_passthrough[QCOW2_DISCARD_OTHER] = - qemu_opt_get_bool(opts, QCOW2_OPT_DISCARD_OTHER, false); - - qemu_opts_del(opts); - - if (s->use_lazy_refcounts && s->qcow_version < 3) { - qerror_report(ERROR_CLASS_GENERIC_ERROR, "Lazy refcounts require " - "a qcow2 image with at least qemu 1.1 compatibility level"); - ret = -EINVAL; - goto fail; - } - -#ifdef DEBUG_ALLOC - { - BdrvCheckResult result = {0}; - qcow2_check_refcounts(bs, &result, 0); - } -#endif - return ret; - - fail: - g_free(s->unknown_header_fields); - cleanup_unknown_header_ext(bs); - qcow2_free_snapshots(bs); - qcow2_refcount_close(bs); - g_free(s->l1_table); - if (s->l2_table_cache) { - qcow2_cache_destroy(bs, s->l2_table_cache); - } - g_free(s->cluster_cache); - qemu_vfree(s->cluster_data); - return ret; -} - -static int qcow2_set_key(BlockDriverState *bs, const char *key) -{ - BDRVQcowState *s = bs->opaque; - uint8_t keybuf[16]; - int len, i; - - memset(keybuf, 0, 16); - len = strlen(key); - if (len > 16) - len = 16; - /* XXX: we could compress the chars to 7 bits to increase - entropy */ - for(i = 0;i < len;i++) { - keybuf[i] = key[i]; - } - s->crypt_method = s->crypt_method_header; - - if (AES_set_encrypt_key(keybuf, 128, &s->aes_encrypt_key) != 0) - return -1; - if (AES_set_decrypt_key(keybuf, 128, &s->aes_decrypt_key) != 0) - return -1; -#if 0 - /* test */ - { - uint8_t in[16]; - uint8_t out[16]; - uint8_t tmp[16]; - for(i=0;i<16;i++) - in[i] = i; - AES_encrypt(in, tmp, &s->aes_encrypt_key); - AES_decrypt(tmp, out, &s->aes_decrypt_key); - for(i = 0; i < 16; i++) - printf(" %02x", tmp[i]); - printf("\n"); - for(i = 0; i < 16; i++) - printf(" %02x", out[i]); - printf("\n"); - } -#endif - return 0; -} - -/* We have nothing to do for QCOW2 reopen, stubs just return - * success */ -static int qcow2_reopen_prepare(BDRVReopenState *state, - BlockReopenQueue *queue, Error **errp) -{ - return 0; -} - -static int coroutine_fn qcow2_co_is_allocated(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, int *pnum) -{ - BDRVQcowState *s = bs->opaque; - uint64_t cluster_offset; - int ret; - - *pnum = nb_sectors; - /* FIXME We can get errors here, but the bdrv_co_is_allocated interface - * can't pass them on today */ - qemu_co_mutex_lock(&s->lock); - ret = qcow2_get_cluster_offset(bs, sector_num << 9, pnum, &cluster_offset); - qemu_co_mutex_unlock(&s->lock); - if (ret < 0) { - *pnum = 0; - } - - return (cluster_offset != 0) || (ret == QCOW2_CLUSTER_ZERO); -} - -/* handle reading after the end of the backing file */ -int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov, - int64_t sector_num, int nb_sectors) -{ - int n1; - if ((sector_num + nb_sectors) <= bs->total_sectors) - return nb_sectors; - if (sector_num >= bs->total_sectors) - n1 = 0; - else - n1 = bs->total_sectors - sector_num; - - qemu_iovec_memset(qiov, 512 * n1, 0, 512 * (nb_sectors - n1)); - - return n1; -} - -static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t sector_num, - int remaining_sectors, QEMUIOVector *qiov) -{ - BDRVQcowState *s = bs->opaque; - int index_in_cluster, n1; - int ret; - int cur_nr_sectors; /* number of sectors in current iteration */ - uint64_t cluster_offset = 0; - uint64_t bytes_done = 0; - QEMUIOVector hd_qiov; - uint8_t *cluster_data = NULL; - - qemu_iovec_init(&hd_qiov, qiov->niov); - - qemu_co_mutex_lock(&s->lock); - - while (remaining_sectors != 0) { - - /* prepare next request */ - cur_nr_sectors = remaining_sectors; - if (s->crypt_method) { - cur_nr_sectors = MIN(cur_nr_sectors, - QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors); - } - - ret = qcow2_get_cluster_offset(bs, sector_num << 9, - &cur_nr_sectors, &cluster_offset); - if (ret < 0) { - goto fail; - } - - index_in_cluster = sector_num & (s->cluster_sectors - 1); - - qemu_iovec_reset(&hd_qiov); - qemu_iovec_concat(&hd_qiov, qiov, bytes_done, - cur_nr_sectors * 512); - - switch (ret) { - case QCOW2_CLUSTER_UNALLOCATED: - - if (bs->backing_hd) { - /* read from the base image */ - n1 = qcow2_backing_read1(bs->backing_hd, &hd_qiov, - sector_num, cur_nr_sectors); - if (n1 > 0) { - BLKDBG_EVENT(bs->file, BLKDBG_READ_BACKING_AIO); - qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_readv(bs->backing_hd, sector_num, - n1, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - goto fail; - } - } - } else { - /* Note: in this case, no need to wait */ - qemu_iovec_memset(&hd_qiov, 0, 0, 512 * cur_nr_sectors); - } - break; - - case QCOW2_CLUSTER_ZERO: - qemu_iovec_memset(&hd_qiov, 0, 0, 512 * cur_nr_sectors); - break; - - case QCOW2_CLUSTER_COMPRESSED: - /* add AIO support for compressed blocks ? */ - ret = qcow2_decompress_cluster(bs, cluster_offset); - if (ret < 0) { - goto fail; - } - - qemu_iovec_from_buf(&hd_qiov, 0, - s->cluster_cache + index_in_cluster * 512, - 512 * cur_nr_sectors); - break; - - case QCOW2_CLUSTER_NORMAL: - if ((cluster_offset & 511) != 0) { - ret = -EIO; - goto fail; - } - - if (s->crypt_method) { - /* - * For encrypted images, read everything into a temporary - * contiguous buffer on which the AES functions can work. - */ - if (!cluster_data) { - cluster_data = - qemu_blockalign(bs, QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size); - } - - assert(cur_nr_sectors <= - QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors); - qemu_iovec_reset(&hd_qiov); - qemu_iovec_add(&hd_qiov, cluster_data, - 512 * cur_nr_sectors); - } - - BLKDBG_EVENT(bs->file, BLKDBG_READ_AIO); - qemu_co_mutex_unlock(&s->lock); - ret = bdrv_co_readv(bs->file, - (cluster_offset >> 9) + index_in_cluster, - cur_nr_sectors, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - goto fail; - } - if (s->crypt_method) { - qcow2_encrypt_sectors(s, sector_num, cluster_data, - cluster_data, cur_nr_sectors, 0, &s->aes_decrypt_key); - qemu_iovec_from_buf(qiov, bytes_done, - cluster_data, 512 * cur_nr_sectors); - } - break; - - default: - g_assert_not_reached(); - ret = -EIO; - goto fail; - } - - remaining_sectors -= cur_nr_sectors; - sector_num += cur_nr_sectors; - bytes_done += cur_nr_sectors * 512; - } - ret = 0; - -fail: - qemu_co_mutex_unlock(&s->lock); - - qemu_iovec_destroy(&hd_qiov); - qemu_vfree(cluster_data); - - return ret; -} - -static coroutine_fn int qcow2_co_writev(BlockDriverState *bs, - int64_t sector_num, - int remaining_sectors, - QEMUIOVector *qiov) -{ - BDRVQcowState *s = bs->opaque; - int index_in_cluster; - int n_end; - int ret; - int cur_nr_sectors; /* number of sectors in current iteration */ - uint64_t cluster_offset; - QEMUIOVector hd_qiov; - uint64_t bytes_done = 0; - uint8_t *cluster_data = NULL; - QCowL2Meta *l2meta = NULL; - - trace_qcow2_writev_start_req(qemu_coroutine_self(), sector_num, - remaining_sectors); - - qemu_iovec_init(&hd_qiov, qiov->niov); - - s->cluster_cache_offset = -1; /* disable compressed cache */ - - qemu_co_mutex_lock(&s->lock); - - while (remaining_sectors != 0) { - - l2meta = NULL; - - trace_qcow2_writev_start_part(qemu_coroutine_self()); - index_in_cluster = sector_num & (s->cluster_sectors - 1); - n_end = index_in_cluster + remaining_sectors; - if (s->crypt_method && - n_end > QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors) { - n_end = QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors; - } - - ret = qcow2_alloc_cluster_offset(bs, sector_num << 9, - index_in_cluster, n_end, &cur_nr_sectors, &cluster_offset, &l2meta); - if (ret < 0) { - goto fail; - } - - assert((cluster_offset & 511) == 0); - - qemu_iovec_reset(&hd_qiov); - qemu_iovec_concat(&hd_qiov, qiov, bytes_done, - cur_nr_sectors * 512); - - if (s->crypt_method) { - if (!cluster_data) { - cluster_data = qemu_blockalign(bs, QCOW_MAX_CRYPT_CLUSTERS * - s->cluster_size); - } - - assert(hd_qiov.size <= - QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size); - qemu_iovec_to_buf(&hd_qiov, 0, cluster_data, hd_qiov.size); - - qcow2_encrypt_sectors(s, sector_num, cluster_data, - cluster_data, cur_nr_sectors, 1, &s->aes_encrypt_key); - - qemu_iovec_reset(&hd_qiov); - qemu_iovec_add(&hd_qiov, cluster_data, - cur_nr_sectors * 512); - } - - qemu_co_mutex_unlock(&s->lock); - BLKDBG_EVENT(bs->file, BLKDBG_WRITE_AIO); - trace_qcow2_writev_data(qemu_coroutine_self(), - (cluster_offset >> 9) + index_in_cluster); - ret = bdrv_co_writev(bs->file, - (cluster_offset >> 9) + index_in_cluster, - cur_nr_sectors, &hd_qiov); - qemu_co_mutex_lock(&s->lock); - if (ret < 0) { - goto fail; - } - - while (l2meta != NULL) { - QCowL2Meta *next; - - ret = qcow2_alloc_cluster_link_l2(bs, l2meta); - if (ret < 0) { - goto fail; - } - - /* Take the request off the list of running requests */ - if (l2meta->nb_clusters != 0) { - QLIST_REMOVE(l2meta, next_in_flight); - } - - qemu_co_queue_restart_all(&l2meta->dependent_requests); - - next = l2meta->next; - g_free(l2meta); - l2meta = next; - } - - remaining_sectors -= cur_nr_sectors; - sector_num += cur_nr_sectors; - bytes_done += cur_nr_sectors * 512; - trace_qcow2_writev_done_part(qemu_coroutine_self(), cur_nr_sectors); - } - ret = 0; - -fail: - qemu_co_mutex_unlock(&s->lock); - - while (l2meta != NULL) { - QCowL2Meta *next; - - if (l2meta->nb_clusters != 0) { - QLIST_REMOVE(l2meta, next_in_flight); - } - qemu_co_queue_restart_all(&l2meta->dependent_requests); - - next = l2meta->next; - g_free(l2meta); - l2meta = next; - } - - qemu_iovec_destroy(&hd_qiov); - qemu_vfree(cluster_data); - trace_qcow2_writev_done_req(qemu_coroutine_self(), ret); - - return ret; -} - -static void qcow2_close(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - g_free(s->l1_table); - - qcow2_cache_flush(bs, s->l2_table_cache); - qcow2_cache_flush(bs, s->refcount_block_cache); - - qcow2_mark_clean(bs); - - qcow2_cache_destroy(bs, s->l2_table_cache); - qcow2_cache_destroy(bs, s->refcount_block_cache); - - g_free(s->unknown_header_fields); - cleanup_unknown_header_ext(bs); - - g_free(s->cluster_cache); - qemu_vfree(s->cluster_data); - qcow2_refcount_close(bs); - qcow2_free_snapshots(bs); -} - -static void qcow2_invalidate_cache(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - int flags = s->flags; - AES_KEY aes_encrypt_key; - AES_KEY aes_decrypt_key; - uint32_t crypt_method = 0; - QDict *options; - - /* - * Backing files are read-only which makes all of their metadata immutable, - * that means we don't have to worry about reopening them here. - */ - - if (s->crypt_method) { - crypt_method = s->crypt_method; - memcpy(&aes_encrypt_key, &s->aes_encrypt_key, sizeof(aes_encrypt_key)); - memcpy(&aes_decrypt_key, &s->aes_decrypt_key, sizeof(aes_decrypt_key)); - } - - qcow2_close(bs); - - options = qdict_new(); - qdict_put(options, QCOW2_OPT_LAZY_REFCOUNTS, - qbool_from_int(s->use_lazy_refcounts)); - - memset(s, 0, sizeof(BDRVQcowState)); - qcow2_open(bs, options, flags); - - QDECREF(options); - - if (crypt_method) { - s->crypt_method = crypt_method; - memcpy(&s->aes_encrypt_key, &aes_encrypt_key, sizeof(aes_encrypt_key)); - memcpy(&s->aes_decrypt_key, &aes_decrypt_key, sizeof(aes_decrypt_key)); - } -} - -static size_t header_ext_add(char *buf, uint32_t magic, const void *s, - size_t len, size_t buflen) -{ - QCowExtension *ext_backing_fmt = (QCowExtension*) buf; - size_t ext_len = sizeof(QCowExtension) + ((len + 7) & ~7); - - if (buflen < ext_len) { - return -ENOSPC; - } - - *ext_backing_fmt = (QCowExtension) { - .magic = cpu_to_be32(magic), - .len = cpu_to_be32(len), - }; - memcpy(buf + sizeof(QCowExtension), s, len); - - return ext_len; -} - -/* - * Updates the qcow2 header, including the variable length parts of it, i.e. - * the backing file name and all extensions. qcow2 was not designed to allow - * such changes, so if we run out of space (we can only use the first cluster) - * this function may fail. - * - * Returns 0 on success, -errno in error cases. - */ -int qcow2_update_header(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - QCowHeader *header; - char *buf; - size_t buflen = s->cluster_size; - int ret; - uint64_t total_size; - uint32_t refcount_table_clusters; - size_t header_length; - Qcow2UnknownHeaderExtension *uext; - - buf = qemu_blockalign(bs, buflen); - - /* Header structure */ - header = (QCowHeader*) buf; - - if (buflen < sizeof(*header)) { - ret = -ENOSPC; - goto fail; - } - - header_length = sizeof(*header) + s->unknown_header_fields_size; - total_size = bs->total_sectors * BDRV_SECTOR_SIZE; - refcount_table_clusters = s->refcount_table_size >> (s->cluster_bits - 3); - - *header = (QCowHeader) { - /* Version 2 fields */ - .magic = cpu_to_be32(QCOW_MAGIC), - .version = cpu_to_be32(s->qcow_version), - .backing_file_offset = 0, - .backing_file_size = 0, - .cluster_bits = cpu_to_be32(s->cluster_bits), - .size = cpu_to_be64(total_size), - .crypt_method = cpu_to_be32(s->crypt_method_header), - .l1_size = cpu_to_be32(s->l1_size), - .l1_table_offset = cpu_to_be64(s->l1_table_offset), - .refcount_table_offset = cpu_to_be64(s->refcount_table_offset), - .refcount_table_clusters = cpu_to_be32(refcount_table_clusters), - .nb_snapshots = cpu_to_be32(s->nb_snapshots), - .snapshots_offset = cpu_to_be64(s->snapshots_offset), - - /* Version 3 fields */ - .incompatible_features = cpu_to_be64(s->incompatible_features), - .compatible_features = cpu_to_be64(s->compatible_features), - .autoclear_features = cpu_to_be64(s->autoclear_features), - .refcount_order = cpu_to_be32(3 + REFCOUNT_SHIFT), - .header_length = cpu_to_be32(header_length), - }; - - /* For older versions, write a shorter header */ - switch (s->qcow_version) { - case 2: - ret = offsetof(QCowHeader, incompatible_features); - break; - case 3: - ret = sizeof(*header); - break; - default: - ret = -EINVAL; - goto fail; - } - - buf += ret; - buflen -= ret; - memset(buf, 0, buflen); - - /* Preserve any unknown field in the header */ - if (s->unknown_header_fields_size) { - if (buflen < s->unknown_header_fields_size) { - ret = -ENOSPC; - goto fail; - } - - memcpy(buf, s->unknown_header_fields, s->unknown_header_fields_size); - buf += s->unknown_header_fields_size; - buflen -= s->unknown_header_fields_size; - } - - /* Backing file format header extension */ - if (*bs->backing_format) { - ret = header_ext_add(buf, QCOW2_EXT_MAGIC_BACKING_FORMAT, - bs->backing_format, strlen(bs->backing_format), - buflen); - if (ret < 0) { - goto fail; - } - - buf += ret; - buflen -= ret; - } - - /* Feature table */ - Qcow2Feature features[] = { - { - .type = QCOW2_FEAT_TYPE_INCOMPATIBLE, - .bit = QCOW2_INCOMPAT_DIRTY_BITNR, - .name = "dirty bit", - }, - { - .type = QCOW2_FEAT_TYPE_COMPATIBLE, - .bit = QCOW2_COMPAT_LAZY_REFCOUNTS_BITNR, - .name = "lazy refcounts", - }, - }; - - ret = header_ext_add(buf, QCOW2_EXT_MAGIC_FEATURE_TABLE, - features, sizeof(features), buflen); - if (ret < 0) { - goto fail; - } - buf += ret; - buflen -= ret; - - /* Keep unknown header extensions */ - QLIST_FOREACH(uext, &s->unknown_header_ext, next) { - ret = header_ext_add(buf, uext->magic, uext->data, uext->len, buflen); - if (ret < 0) { - goto fail; - } - - buf += ret; - buflen -= ret; - } - - /* End of header extensions */ - ret = header_ext_add(buf, QCOW2_EXT_MAGIC_END, NULL, 0, buflen); - if (ret < 0) { - goto fail; - } - - buf += ret; - buflen -= ret; - - /* Backing file name */ - if (*bs->backing_file) { - size_t backing_file_len = strlen(bs->backing_file); - - if (buflen < backing_file_len) { - ret = -ENOSPC; - goto fail; - } - - /* Using strncpy is ok here, since buf is not NUL-terminated. */ - strncpy(buf, bs->backing_file, buflen); - - header->backing_file_offset = cpu_to_be64(buf - ((char*) header)); - header->backing_file_size = cpu_to_be32(backing_file_len); - } - - /* Write the new header */ - ret = bdrv_pwrite(bs->file, 0, header, s->cluster_size); - if (ret < 0) { - goto fail; - } - - ret = 0; -fail: - qemu_vfree(header); - return ret; -} - -static int qcow2_change_backing_file(BlockDriverState *bs, - const char *backing_file, const char *backing_fmt) -{ - pstrcpy(bs->backing_file, sizeof(bs->backing_file), backing_file ?: ""); - pstrcpy(bs->backing_format, sizeof(bs->backing_format), backing_fmt ?: ""); - - return qcow2_update_header(bs); -} - -static int preallocate(BlockDriverState *bs) -{ - uint64_t nb_sectors; - uint64_t offset; - uint64_t host_offset = 0; - int num; - int ret; - QCowL2Meta *meta; - - nb_sectors = bdrv_getlength(bs) >> 9; - offset = 0; - - while (nb_sectors) { - num = MIN(nb_sectors, INT_MAX >> 9); - ret = qcow2_alloc_cluster_offset(bs, offset, 0, num, &num, - &host_offset, &meta); - if (ret < 0) { - return ret; - } - - ret = qcow2_alloc_cluster_link_l2(bs, meta); - if (ret < 0) { - qcow2_free_any_clusters(bs, meta->alloc_offset, meta->nb_clusters, - QCOW2_DISCARD_NEVER); - return ret; - } - - /* There are no dependent requests, but we need to remove our request - * from the list of in-flight requests */ - if (meta != NULL) { - QLIST_REMOVE(meta, next_in_flight); - } - - /* TODO Preallocate data if requested */ - - nb_sectors -= num; - offset += num << 9; - } - - /* - * It is expected that the image file is large enough to actually contain - * all of the allocated clusters (otherwise we get failing reads after - * EOF). Extend the image to the last allocated sector. - */ - if (host_offset != 0) { - uint8_t buf[512]; - memset(buf, 0, 512); - ret = bdrv_write(bs->file, (host_offset >> 9) + num - 1, buf, 1); - if (ret < 0) { - return ret; - } - } - - return 0; -} - -static int qcow2_create2(const char *filename, int64_t total_size, - const char *backing_file, const char *backing_format, - int flags, size_t cluster_size, int prealloc, - QEMUOptionParameter *options, int version) -{ - /* Calculate cluster_bits */ - int cluster_bits; - cluster_bits = ffs(cluster_size) - 1; - if (cluster_bits < MIN_CLUSTER_BITS || cluster_bits > MAX_CLUSTER_BITS || - (1 << cluster_bits) != cluster_size) - { - error_report( - "Cluster size must be a power of two between %d and %dk", - 1 << MIN_CLUSTER_BITS, 1 << (MAX_CLUSTER_BITS - 10)); - return -EINVAL; - } - - /* - * Open the image file and write a minimal qcow2 header. - * - * We keep things simple and start with a zero-sized image. We also - * do without refcount blocks or a L1 table for now. We'll fix the - * inconsistency later. - * - * We do need a refcount table because growing the refcount table means - * allocating two new refcount blocks - the seconds of which would be at - * 2 GB for 64k clusters, and we don't want to have a 2 GB initial file - * size for any qcow2 image. - */ - BlockDriverState* bs; - QCowHeader header; - uint8_t* refcount_table; - int ret; - - ret = bdrv_create_file(filename, options); - if (ret < 0) { - return ret; - } - - ret = bdrv_file_open(&bs, filename, NULL, BDRV_O_RDWR); - if (ret < 0) { - return ret; - } - - /* Write the header */ - memset(&header, 0, sizeof(header)); - header.magic = cpu_to_be32(QCOW_MAGIC); - header.version = cpu_to_be32(version); - header.cluster_bits = cpu_to_be32(cluster_bits); - header.size = cpu_to_be64(0); - header.l1_table_offset = cpu_to_be64(0); - header.l1_size = cpu_to_be32(0); - header.refcount_table_offset = cpu_to_be64(cluster_size); - header.refcount_table_clusters = cpu_to_be32(1); - header.refcount_order = cpu_to_be32(3 + REFCOUNT_SHIFT); - header.header_length = cpu_to_be32(sizeof(header)); - - if (flags & BLOCK_FLAG_ENCRYPT) { - header.crypt_method = cpu_to_be32(QCOW_CRYPT_AES); - } else { - header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE); - } - - if (flags & BLOCK_FLAG_LAZY_REFCOUNTS) { - header.compatible_features |= - cpu_to_be64(QCOW2_COMPAT_LAZY_REFCOUNTS); - } - - ret = bdrv_pwrite(bs, 0, &header, sizeof(header)); - if (ret < 0) { - goto out; - } - - /* Write an empty refcount table */ - refcount_table = g_malloc0(cluster_size); - ret = bdrv_pwrite(bs, cluster_size, refcount_table, cluster_size); - g_free(refcount_table); - - if (ret < 0) { - goto out; - } - - bdrv_close(bs); - - /* - * And now open the image and make it consistent first (i.e. increase the - * refcount of the cluster that is occupied by the header and the refcount - * table) - */ - BlockDriver* drv = bdrv_find_format("qcow2"); - assert(drv != NULL); - ret = bdrv_open(bs, filename, NULL, - BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, drv); - if (ret < 0) { - goto out; - } - - ret = qcow2_alloc_clusters(bs, 2 * cluster_size); - if (ret < 0) { - goto out; - - } else if (ret != 0) { - error_report("Huh, first cluster in empty image is already in use?"); - abort(); - } - - /* Okay, now that we have a valid image, let's give it the right size */ - ret = bdrv_truncate(bs, total_size * BDRV_SECTOR_SIZE); - if (ret < 0) { - goto out; - } - - /* Want a backing file? There you go.*/ - if (backing_file) { - ret = bdrv_change_backing_file(bs, backing_file, backing_format); - if (ret < 0) { - goto out; - } - } - - /* And if we're supposed to preallocate metadata, do that now */ - if (prealloc) { - BDRVQcowState *s = bs->opaque; - qemu_co_mutex_lock(&s->lock); - ret = preallocate(bs); - qemu_co_mutex_unlock(&s->lock); - if (ret < 0) { - goto out; - } - } - - ret = 0; -out: - bdrv_delete(bs); - return ret; -} - -static int qcow2_create(const char *filename, QEMUOptionParameter *options) -{ - const char *backing_file = NULL; - const char *backing_fmt = NULL; - uint64_t sectors = 0; - int flags = 0; - size_t cluster_size = DEFAULT_CLUSTER_SIZE; - int prealloc = 0; - int version = 2; - - /* Read out options */ - while (options && options->name) { - if (!strcmp(options->name, BLOCK_OPT_SIZE)) { - sectors = options->value.n / 512; - } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) { - backing_file = options->value.s; - } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FMT)) { - backing_fmt = options->value.s; - } else if (!strcmp(options->name, BLOCK_OPT_ENCRYPT)) { - flags |= options->value.n ? BLOCK_FLAG_ENCRYPT : 0; - } else if (!strcmp(options->name, BLOCK_OPT_CLUSTER_SIZE)) { - if (options->value.n) { - cluster_size = options->value.n; - } - } else if (!strcmp(options->name, BLOCK_OPT_PREALLOC)) { - if (!options->value.s || !strcmp(options->value.s, "off")) { - prealloc = 0; - } else if (!strcmp(options->value.s, "metadata")) { - prealloc = 1; - } else { - fprintf(stderr, "Invalid preallocation mode: '%s'\n", - options->value.s); - return -EINVAL; - } - } else if (!strcmp(options->name, BLOCK_OPT_COMPAT_LEVEL)) { - if (!options->value.s || !strcmp(options->value.s, "0.10")) { - version = 2; - } else if (!strcmp(options->value.s, "1.1")) { - version = 3; - } else { - fprintf(stderr, "Invalid compatibility level: '%s'\n", - options->value.s); - return -EINVAL; - } - } else if (!strcmp(options->name, BLOCK_OPT_LAZY_REFCOUNTS)) { - flags |= options->value.n ? BLOCK_FLAG_LAZY_REFCOUNTS : 0; - } - options++; - } - - if (backing_file && prealloc) { - fprintf(stderr, "Backing file and preallocation cannot be used at " - "the same time\n"); - return -EINVAL; - } - - if (version < 3 && (flags & BLOCK_FLAG_LAZY_REFCOUNTS)) { - fprintf(stderr, "Lazy refcounts only supported with compatibility " - "level 1.1 and above (use compat=1.1 or greater)\n"); - return -EINVAL; - } - - return qcow2_create2(filename, sectors, backing_file, backing_fmt, flags, - cluster_size, prealloc, options, version); -} - -static int qcow2_make_empty(BlockDriverState *bs) -{ -#if 0 - /* XXX: not correct */ - BDRVQcowState *s = bs->opaque; - uint32_t l1_length = s->l1_size * sizeof(uint64_t); - int ret; - - memset(s->l1_table, 0, l1_length); - if (bdrv_pwrite(bs->file, s->l1_table_offset, s->l1_table, l1_length) < 0) - return -1; - ret = bdrv_truncate(bs->file, s->l1_table_offset + l1_length); - if (ret < 0) - return ret; - - l2_cache_reset(bs); -#endif - return 0; -} - -static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs, - int64_t sector_num, int nb_sectors) -{ - int ret; - BDRVQcowState *s = bs->opaque; - - /* Emulate misaligned zero writes */ - if (sector_num % s->cluster_sectors || nb_sectors % s->cluster_sectors) { - return -ENOTSUP; - } - - /* Whatever is left can use real zero clusters */ - qemu_co_mutex_lock(&s->lock); - ret = qcow2_zero_clusters(bs, sector_num << BDRV_SECTOR_BITS, - nb_sectors); - qemu_co_mutex_unlock(&s->lock); - - return ret; -} - -static coroutine_fn int qcow2_co_discard(BlockDriverState *bs, - int64_t sector_num, int nb_sectors) -{ - int ret; - BDRVQcowState *s = bs->opaque; - - qemu_co_mutex_lock(&s->lock); - ret = qcow2_discard_clusters(bs, sector_num << BDRV_SECTOR_BITS, - nb_sectors); - qemu_co_mutex_unlock(&s->lock); - return ret; -} - -static int qcow2_truncate(BlockDriverState *bs, int64_t offset) -{ - BDRVQcowState *s = bs->opaque; - int64_t new_l1_size; - int ret; - - if (offset & 511) { - error_report("The new size must be a multiple of 512"); - return -EINVAL; - } - - /* cannot proceed if image has snapshots */ - if (s->nb_snapshots) { - error_report("Can't resize an image which has snapshots"); - return -ENOTSUP; - } - - /* shrinking is currently not supported */ - if (offset < bs->total_sectors * 512) { - error_report("qcow2 doesn't support shrinking images yet"); - return -ENOTSUP; - } - - new_l1_size = size_to_l1(s, offset); - ret = qcow2_grow_l1_table(bs, new_l1_size, true); - if (ret < 0) { - return ret; - } - - /* write updated header.size */ - offset = cpu_to_be64(offset); - ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, size), - &offset, sizeof(uint64_t)); - if (ret < 0) { - return ret; - } - - s->l1_vm_state_index = new_l1_size; - return 0; -} - -/* XXX: put compressed sectors first, then all the cluster aligned - tables to avoid losing bytes in alignment */ -static int qcow2_write_compressed(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors) -{ - BDRVQcowState *s = bs->opaque; - z_stream strm; - int ret, out_len; - uint8_t *out_buf; - uint64_t cluster_offset; - - if (nb_sectors == 0) { - /* align end of file to a sector boundary to ease reading with - sector based I/Os */ - cluster_offset = bdrv_getlength(bs->file); - cluster_offset = (cluster_offset + 511) & ~511; - bdrv_truncate(bs->file, cluster_offset); - return 0; - } - - if (nb_sectors != s->cluster_sectors) { - ret = -EINVAL; - - /* Zero-pad last write if image size is not cluster aligned */ - if (sector_num + nb_sectors == bs->total_sectors && - nb_sectors < s->cluster_sectors) { - uint8_t *pad_buf = qemu_blockalign(bs, s->cluster_size); - memset(pad_buf, 0, s->cluster_size); - memcpy(pad_buf, buf, nb_sectors * BDRV_SECTOR_SIZE); - ret = qcow2_write_compressed(bs, sector_num, - pad_buf, s->cluster_sectors); - qemu_vfree(pad_buf); - } - return ret; - } - - out_buf = g_malloc(s->cluster_size + (s->cluster_size / 1000) + 128); - - /* best compression, small window, no zlib header */ - memset(&strm, 0, sizeof(strm)); - ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, - Z_DEFLATED, -12, - 9, Z_DEFAULT_STRATEGY); - if (ret != 0) { - ret = -EINVAL; - goto fail; - } - - strm.avail_in = s->cluster_size; - strm.next_in = (uint8_t *)buf; - strm.avail_out = s->cluster_size; - strm.next_out = out_buf; - - ret = deflate(&strm, Z_FINISH); - if (ret != Z_STREAM_END && ret != Z_OK) { - deflateEnd(&strm); - ret = -EINVAL; - goto fail; - } - out_len = strm.next_out - out_buf; - - deflateEnd(&strm); - - if (ret != Z_STREAM_END || out_len >= s->cluster_size) { - /* could not compress: write normal cluster */ - ret = bdrv_write(bs, sector_num, buf, s->cluster_sectors); - if (ret < 0) { - goto fail; - } - } else { - cluster_offset = qcow2_alloc_compressed_cluster_offset(bs, - sector_num << 9, out_len); - if (!cluster_offset) { - ret = -EIO; - goto fail; - } - cluster_offset &= s->cluster_offset_mask; - BLKDBG_EVENT(bs->file, BLKDBG_WRITE_COMPRESSED); - ret = bdrv_pwrite(bs->file, cluster_offset, out_buf, out_len); - if (ret < 0) { - goto fail; - } - } - - ret = 0; -fail: - g_free(out_buf); - return ret; -} - -static coroutine_fn int qcow2_co_flush_to_os(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - int ret; - - qemu_co_mutex_lock(&s->lock); - ret = qcow2_cache_flush(bs, s->l2_table_cache); - if (ret < 0) { - qemu_co_mutex_unlock(&s->lock); - return ret; - } - - if (qcow2_need_accurate_refcounts(s)) { - ret = qcow2_cache_flush(bs, s->refcount_block_cache); - if (ret < 0) { - qemu_co_mutex_unlock(&s->lock); - return ret; - } - } - qemu_co_mutex_unlock(&s->lock); - - return 0; -} - -static int64_t qcow2_vm_state_offset(BDRVQcowState *s) -{ - return (int64_t)s->l1_vm_state_index << (s->cluster_bits + s->l2_bits); -} - -static int qcow2_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) -{ - BDRVQcowState *s = bs->opaque; - bdi->cluster_size = s->cluster_size; - bdi->vm_state_offset = qcow2_vm_state_offset(s); - return 0; -} - -#if 0 -static void dump_refcounts(BlockDriverState *bs) -{ - BDRVQcowState *s = bs->opaque; - int64_t nb_clusters, k, k1, size; - int refcount; - - size = bdrv_getlength(bs->file); - nb_clusters = size_to_clusters(s, size); - for(k = 0; k < nb_clusters;) { - k1 = k; - refcount = get_refcount(bs, k); - k++; - while (k < nb_clusters && get_refcount(bs, k) == refcount) - k++; - printf("%" PRId64 ": refcount=%d nb=%" PRId64 "\n", k, refcount, - k - k1); - } -} -#endif - -static int qcow2_save_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, - int64_t pos) -{ - BDRVQcowState *s = bs->opaque; - int growable = bs->growable; - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_SAVE); - bs->growable = 1; - ret = bdrv_pwritev(bs, qcow2_vm_state_offset(s) + pos, qiov); - bs->growable = growable; - - return ret; -} - -static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf, - int64_t pos, int size) -{ - BDRVQcowState *s = bs->opaque; - int growable = bs->growable; - int ret; - - BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_LOAD); - bs->growable = 1; - ret = bdrv_pread(bs, qcow2_vm_state_offset(s) + pos, buf, size); - bs->growable = growable; - - return ret; -} - -static QEMUOptionParameter qcow2_create_options[] = { - { - .name = BLOCK_OPT_SIZE, - .type = OPT_SIZE, - .help = "Virtual disk size" - }, - { - .name = BLOCK_OPT_COMPAT_LEVEL, - .type = OPT_STRING, - .help = "Compatibility level (0.10 or 1.1)" - }, - { - .name = BLOCK_OPT_BACKING_FILE, - .type = OPT_STRING, - .help = "File name of a base image" - }, - { - .name = BLOCK_OPT_BACKING_FMT, - .type = OPT_STRING, - .help = "Image format of the base image" - }, - { - .name = BLOCK_OPT_ENCRYPT, - .type = OPT_FLAG, - .help = "Encrypt the image" - }, - { - .name = BLOCK_OPT_CLUSTER_SIZE, - .type = OPT_SIZE, - .help = "qcow2 cluster size", - .value = { .n = DEFAULT_CLUSTER_SIZE }, - }, - { - .name = BLOCK_OPT_PREALLOC, - .type = OPT_STRING, - .help = "Preallocation mode (allowed values: off, metadata)" - }, - { - .name = BLOCK_OPT_LAZY_REFCOUNTS, - .type = OPT_FLAG, - .help = "Postpone refcount updates", - }, - { NULL } -}; - -static BlockDriver bdrv_qcow2 = { - .format_name = "qcow2", - .instance_size = sizeof(BDRVQcowState), - .bdrv_probe = qcow2_probe, - .bdrv_open = qcow2_open, - .bdrv_close = qcow2_close, - .bdrv_reopen_prepare = qcow2_reopen_prepare, - .bdrv_create = qcow2_create, - .bdrv_has_zero_init = bdrv_has_zero_init_1, - .bdrv_co_is_allocated = qcow2_co_is_allocated, - .bdrv_set_key = qcow2_set_key, - .bdrv_make_empty = qcow2_make_empty, - - .bdrv_co_readv = qcow2_co_readv, - .bdrv_co_writev = qcow2_co_writev, - .bdrv_co_flush_to_os = qcow2_co_flush_to_os, - - .bdrv_co_write_zeroes = qcow2_co_write_zeroes, - .bdrv_co_discard = qcow2_co_discard, - .bdrv_truncate = qcow2_truncate, - .bdrv_write_compressed = qcow2_write_compressed, - - .bdrv_snapshot_create = qcow2_snapshot_create, - .bdrv_snapshot_goto = qcow2_snapshot_goto, - .bdrv_snapshot_delete = qcow2_snapshot_delete, - .bdrv_snapshot_list = qcow2_snapshot_list, - .bdrv_snapshot_load_tmp = qcow2_snapshot_load_tmp, - .bdrv_get_info = qcow2_get_info, - - .bdrv_save_vmstate = qcow2_save_vmstate, - .bdrv_load_vmstate = qcow2_load_vmstate, - - .bdrv_change_backing_file = qcow2_change_backing_file, - - .bdrv_invalidate_cache = qcow2_invalidate_cache, - - .create_options = qcow2_create_options, - .bdrv_check = qcow2_check, -}; - -static void bdrv_qcow2_init(void) -{ - bdrv_register(&bdrv_qcow2); -} - -block_init(bdrv_qcow2_init); diff --git a/contrib/qemu/block/qcow2.h b/contrib/qemu/block/qcow2.h deleted file mode 100644 index 3b2d5cda71f..00000000000 --- a/contrib/qemu/block/qcow2.h +++ /dev/null @@ -1,437 +0,0 @@ -/* - * Block driver for the QCOW version 2 format - * - * Copyright (c) 2004-2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef BLOCK_QCOW2_H -#define BLOCK_QCOW2_H - -#include "qemu/aes.h" -#include "block/coroutine.h" - -//#define DEBUG_ALLOC -//#define DEBUG_ALLOC2 -//#define DEBUG_EXT - -#define QCOW_MAGIC (('Q' << 24) | ('F' << 16) | ('I' << 8) | 0xfb) - -#define QCOW_CRYPT_NONE 0 -#define QCOW_CRYPT_AES 1 - -#define QCOW_MAX_CRYPT_CLUSTERS 32 - -/* indicate that the refcount of the referenced cluster is exactly one. */ -#define QCOW_OFLAG_COPIED (1LL << 63) -/* indicate that the cluster is compressed (they never have the copied flag) */ -#define QCOW_OFLAG_COMPRESSED (1LL << 62) -/* The cluster reads as all zeros */ -#define QCOW_OFLAG_ZERO (1LL << 0) - -#define REFCOUNT_SHIFT 1 /* refcount size is 2 bytes */ - -#define MIN_CLUSTER_BITS 9 -#define MAX_CLUSTER_BITS 21 - -#define L2_CACHE_SIZE 16 - -/* Must be at least 4 to cover all cases of refcount table growth */ -#define REFCOUNT_CACHE_SIZE 4 - -#define DEFAULT_CLUSTER_SIZE 65536 - - -#define QCOW2_OPT_LAZY_REFCOUNTS "lazy_refcounts" -#define QCOW2_OPT_DISCARD_REQUEST "pass_discard_request" -#define QCOW2_OPT_DISCARD_SNAPSHOT "pass_discard_snapshot" -#define QCOW2_OPT_DISCARD_OTHER "pass_discard_other" - -typedef struct QCowHeader { - uint32_t magic; - uint32_t version; - uint64_t backing_file_offset; - uint32_t backing_file_size; - uint32_t cluster_bits; - uint64_t size; /* in bytes */ - uint32_t crypt_method; - uint32_t l1_size; /* XXX: save number of clusters instead ? */ - uint64_t l1_table_offset; - uint64_t refcount_table_offset; - uint32_t refcount_table_clusters; - uint32_t nb_snapshots; - uint64_t snapshots_offset; - - /* The following fields are only valid for version >= 3 */ - uint64_t incompatible_features; - uint64_t compatible_features; - uint64_t autoclear_features; - - uint32_t refcount_order; - uint32_t header_length; -} QCowHeader; - -typedef struct QCowSnapshot { - uint64_t l1_table_offset; - uint32_t l1_size; - char *id_str; - char *name; - uint64_t disk_size; - uint64_t vm_state_size; - uint32_t date_sec; - uint32_t date_nsec; - uint64_t vm_clock_nsec; -} QCowSnapshot; - -struct Qcow2Cache; -typedef struct Qcow2Cache Qcow2Cache; - -typedef struct Qcow2UnknownHeaderExtension { - uint32_t magic; - uint32_t len; - QLIST_ENTRY(Qcow2UnknownHeaderExtension) next; - uint8_t data[]; -} Qcow2UnknownHeaderExtension; - -enum { - QCOW2_FEAT_TYPE_INCOMPATIBLE = 0, - QCOW2_FEAT_TYPE_COMPATIBLE = 1, - QCOW2_FEAT_TYPE_AUTOCLEAR = 2, -}; - -/* Incompatible feature bits */ -enum { - QCOW2_INCOMPAT_DIRTY_BITNR = 0, - QCOW2_INCOMPAT_DIRTY = 1 << QCOW2_INCOMPAT_DIRTY_BITNR, - - QCOW2_INCOMPAT_MASK = QCOW2_INCOMPAT_DIRTY, -}; - -/* Compatible feature bits */ -enum { - QCOW2_COMPAT_LAZY_REFCOUNTS_BITNR = 0, - QCOW2_COMPAT_LAZY_REFCOUNTS = 1 << QCOW2_COMPAT_LAZY_REFCOUNTS_BITNR, - - QCOW2_COMPAT_FEAT_MASK = QCOW2_COMPAT_LAZY_REFCOUNTS, -}; - -enum qcow2_discard_type { - QCOW2_DISCARD_NEVER = 0, - QCOW2_DISCARD_ALWAYS, - QCOW2_DISCARD_REQUEST, - QCOW2_DISCARD_SNAPSHOT, - QCOW2_DISCARD_OTHER, - QCOW2_DISCARD_MAX -}; - -typedef struct Qcow2Feature { - uint8_t type; - uint8_t bit; - char name[46]; -} QEMU_PACKED Qcow2Feature; - -typedef struct Qcow2DiscardRegion { - BlockDriverState *bs; - uint64_t offset; - uint64_t bytes; - QTAILQ_ENTRY(Qcow2DiscardRegion) next; -} Qcow2DiscardRegion; - -typedef struct BDRVQcowState { - int cluster_bits; - int cluster_size; - int cluster_sectors; - int l2_bits; - int l2_size; - int l1_size; - int l1_vm_state_index; - int csize_shift; - int csize_mask; - uint64_t cluster_offset_mask; - uint64_t l1_table_offset; - uint64_t *l1_table; - - Qcow2Cache* l2_table_cache; - Qcow2Cache* refcount_block_cache; - - uint8_t *cluster_cache; - uint8_t *cluster_data; - uint64_t cluster_cache_offset; - QLIST_HEAD(QCowClusterAlloc, QCowL2Meta) cluster_allocs; - - uint64_t *refcount_table; - uint64_t refcount_table_offset; - uint32_t refcount_table_size; - int64_t free_cluster_index; - int64_t free_byte_offset; - - CoMutex lock; - - uint32_t crypt_method; /* current crypt method, 0 if no key yet */ - uint32_t crypt_method_header; - AES_KEY aes_encrypt_key; - AES_KEY aes_decrypt_key; - uint64_t snapshots_offset; - int snapshots_size; - int nb_snapshots; - QCowSnapshot *snapshots; - - int flags; - int qcow_version; - bool use_lazy_refcounts; - - bool discard_passthrough[QCOW2_DISCARD_MAX]; - - uint64_t incompatible_features; - uint64_t compatible_features; - uint64_t autoclear_features; - - size_t unknown_header_fields_size; - void* unknown_header_fields; - QLIST_HEAD(, Qcow2UnknownHeaderExtension) unknown_header_ext; - QTAILQ_HEAD (, Qcow2DiscardRegion) discards; - bool cache_discards; -} BDRVQcowState; - -/* XXX: use std qcow open function ? */ -typedef struct QCowCreateState { - int cluster_size; - int cluster_bits; - uint16_t *refcount_block; - uint64_t *refcount_table; - int64_t l1_table_offset; - int64_t refcount_table_offset; - int64_t refcount_block_offset; -} QCowCreateState; - -struct QCowAIOCB; - -typedef struct Qcow2COWRegion { - /** - * Offset of the COW region in bytes from the start of the first cluster - * touched by the request. - */ - uint64_t offset; - - /** Number of sectors to copy */ - int nb_sectors; -} Qcow2COWRegion; - -/** - * Describes an in-flight (part of a) write request that writes to clusters - * that are not referenced in their L2 table yet. - */ -typedef struct QCowL2Meta -{ - /** Guest offset of the first newly allocated cluster */ - uint64_t offset; - - /** Host offset of the first newly allocated cluster */ - uint64_t alloc_offset; - - /** - * Number of sectors from the start of the first allocated cluster to - * the end of the (possibly shortened) request - */ - int nb_available; - - /** Number of newly allocated clusters */ - int nb_clusters; - - /** - * Requests that overlap with this allocation and wait to be restarted - * when the allocating request has completed. - */ - CoQueue dependent_requests; - - /** - * The COW Region between the start of the first allocated cluster and the - * area the guest actually writes to. - */ - Qcow2COWRegion cow_start; - - /** - * The COW Region between the area the guest actually writes to and the - * end of the last allocated cluster. - */ - Qcow2COWRegion cow_end; - - /** Pointer to next L2Meta of the same write request */ - struct QCowL2Meta *next; - - QLIST_ENTRY(QCowL2Meta) next_in_flight; -} QCowL2Meta; - -enum { - QCOW2_CLUSTER_UNALLOCATED, - QCOW2_CLUSTER_NORMAL, - QCOW2_CLUSTER_COMPRESSED, - QCOW2_CLUSTER_ZERO -}; - -#define L1E_OFFSET_MASK 0x00ffffffffffff00ULL -#define L2E_OFFSET_MASK 0x00ffffffffffff00ULL -#define L2E_COMPRESSED_OFFSET_SIZE_MASK 0x3fffffffffffffffULL - -#define REFT_OFFSET_MASK 0xffffffffffffff00ULL - -static inline int64_t start_of_cluster(BDRVQcowState *s, int64_t offset) -{ - return offset & ~(s->cluster_size - 1); -} - -static inline int64_t offset_into_cluster(BDRVQcowState *s, int64_t offset) -{ - return offset & (s->cluster_size - 1); -} - -static inline int size_to_clusters(BDRVQcowState *s, int64_t size) -{ - return (size + (s->cluster_size - 1)) >> s->cluster_bits; -} - -static inline int64_t size_to_l1(BDRVQcowState *s, int64_t size) -{ - int shift = s->cluster_bits + s->l2_bits; - return (size + (1ULL << shift) - 1) >> shift; -} - -static inline int offset_to_l2_index(BDRVQcowState *s, int64_t offset) -{ - return (offset >> s->cluster_bits) & (s->l2_size - 1); -} - -static inline int64_t align_offset(int64_t offset, int n) -{ - offset = (offset + n - 1) & ~(n - 1); - return offset; -} - -static inline int qcow2_get_cluster_type(uint64_t l2_entry) -{ - if (l2_entry & QCOW_OFLAG_COMPRESSED) { - return QCOW2_CLUSTER_COMPRESSED; - } else if (l2_entry & QCOW_OFLAG_ZERO) { - return QCOW2_CLUSTER_ZERO; - } else if (!(l2_entry & L2E_OFFSET_MASK)) { - return QCOW2_CLUSTER_UNALLOCATED; - } else { - return QCOW2_CLUSTER_NORMAL; - } -} - -/* Check whether refcounts are eager or lazy */ -static inline bool qcow2_need_accurate_refcounts(BDRVQcowState *s) -{ - return !(s->incompatible_features & QCOW2_INCOMPAT_DIRTY); -} - -static inline uint64_t l2meta_cow_start(QCowL2Meta *m) -{ - return m->offset + m->cow_start.offset; -} - -static inline uint64_t l2meta_cow_end(QCowL2Meta *m) -{ - return m->offset + m->cow_end.offset - + (m->cow_end.nb_sectors << BDRV_SECTOR_BITS); -} - -// FIXME Need qcow2_ prefix to global functions - -/* qcow2.c functions */ -int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov, - int64_t sector_num, int nb_sectors); - -int qcow2_mark_dirty(BlockDriverState *bs); -int qcow2_update_header(BlockDriverState *bs); - -/* qcow2-refcount.c functions */ -int qcow2_refcount_init(BlockDriverState *bs); -void qcow2_refcount_close(BlockDriverState *bs); - -int64_t qcow2_alloc_clusters(BlockDriverState *bs, int64_t size); -int qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset, - int nb_clusters); -int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size); -void qcow2_free_clusters(BlockDriverState *bs, - int64_t offset, int64_t size, - enum qcow2_discard_type type); -void qcow2_free_any_clusters(BlockDriverState *bs, uint64_t l2_entry, - int nb_clusters, enum qcow2_discard_type type); - -int qcow2_update_snapshot_refcount(BlockDriverState *bs, - int64_t l1_table_offset, int l1_size, int addend); - -int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res, - BdrvCheckMode fix); - -void qcow2_process_discards(BlockDriverState *bs, int ret); - -/* qcow2-cluster.c functions */ -int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, - bool exact_size); -void qcow2_l2_cache_reset(BlockDriverState *bs); -int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset); -void qcow2_encrypt_sectors(BDRVQcowState *s, int64_t sector_num, - uint8_t *out_buf, const uint8_t *in_buf, - int nb_sectors, int enc, - const AES_KEY *key); - -int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset, - int *num, uint64_t *cluster_offset); -int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset, - int n_start, int n_end, int *num, uint64_t *host_offset, QCowL2Meta **m); -uint64_t qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, - uint64_t offset, - int compressed_size); - -int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m); -int qcow2_discard_clusters(BlockDriverState *bs, uint64_t offset, - int nb_sectors); -int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors); - -/* qcow2-snapshot.c functions */ -int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); -int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); -int qcow2_snapshot_delete(BlockDriverState *bs, const char *snapshot_id); -int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab); -int qcow2_snapshot_load_tmp(BlockDriverState *bs, const char *snapshot_name); - -void qcow2_free_snapshots(BlockDriverState *bs); -int qcow2_read_snapshots(BlockDriverState *bs); - -/* qcow2-cache.c functions */ -Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables); -int qcow2_cache_destroy(BlockDriverState* bs, Qcow2Cache *c); - -void qcow2_cache_entry_mark_dirty(Qcow2Cache *c, void *table); -int qcow2_cache_flush(BlockDriverState *bs, Qcow2Cache *c); -int qcow2_cache_set_dependency(BlockDriverState *bs, Qcow2Cache *c, - Qcow2Cache *dependency); -void qcow2_cache_depends_on_flush(Qcow2Cache *c); - -int qcow2_cache_get(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table); -int qcow2_cache_get_empty(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table); -int qcow2_cache_put(BlockDriverState *bs, Qcow2Cache *c, void **table); - -#endif diff --git a/contrib/qemu/block/qed-check.c b/contrib/qemu/block/qed-check.c deleted file mode 100644 index b473dcd61f6..00000000000 --- a/contrib/qemu/block/qed-check.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * QEMU Enhanced Disk Format Consistency Check - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qed.h" - -typedef struct { - BDRVQEDState *s; - BdrvCheckResult *result; - bool fix; /* whether to fix invalid offsets */ - - uint64_t nclusters; - uint32_t *used_clusters; /* referenced cluster bitmap */ - - QEDRequest request; -} QEDCheck; - -static bool qed_test_bit(uint32_t *bitmap, uint64_t n) { - return !!(bitmap[n / 32] & (1 << (n % 32))); -} - -static void qed_set_bit(uint32_t *bitmap, uint64_t n) { - bitmap[n / 32] |= 1 << (n % 32); -} - -/** - * Set bitmap bits for clusters - * - * @check: Check structure - * @offset: Starting offset in bytes - * @n: Number of clusters - */ -static bool qed_set_used_clusters(QEDCheck *check, uint64_t offset, - unsigned int n) -{ - uint64_t cluster = qed_bytes_to_clusters(check->s, offset); - unsigned int corruptions = 0; - - while (n-- != 0) { - /* Clusters should only be referenced once */ - if (qed_test_bit(check->used_clusters, cluster)) { - corruptions++; - } - - qed_set_bit(check->used_clusters, cluster); - cluster++; - } - - check->result->corruptions += corruptions; - return corruptions == 0; -} - -/** - * Check an L2 table - * - * @ret: Number of invalid cluster offsets - */ -static unsigned int qed_check_l2_table(QEDCheck *check, QEDTable *table) -{ - BDRVQEDState *s = check->s; - unsigned int i, num_invalid = 0; - uint64_t last_offset = 0; - - for (i = 0; i < s->table_nelems; i++) { - uint64_t offset = table->offsets[i]; - - if (qed_offset_is_unalloc_cluster(offset) || - qed_offset_is_zero_cluster(offset)) { - continue; - } - check->result->bfi.allocated_clusters++; - if (last_offset && (last_offset + s->header.cluster_size != offset)) { - check->result->bfi.fragmented_clusters++; - } - last_offset = offset; - - /* Detect invalid cluster offset */ - if (!qed_check_cluster_offset(s, offset)) { - if (check->fix) { - table->offsets[i] = 0; - check->result->corruptions_fixed++; - } else { - check->result->corruptions++; - } - - num_invalid++; - continue; - } - - qed_set_used_clusters(check, offset, 1); - } - - return num_invalid; -} - -/** - * Descend tables and check each cluster is referenced once only - */ -static int qed_check_l1_table(QEDCheck *check, QEDTable *table) -{ - BDRVQEDState *s = check->s; - unsigned int i, num_invalid_l1 = 0; - int ret, last_error = 0; - - /* Mark L1 table clusters used */ - qed_set_used_clusters(check, s->header.l1_table_offset, - s->header.table_size); - - for (i = 0; i < s->table_nelems; i++) { - unsigned int num_invalid_l2; - uint64_t offset = table->offsets[i]; - - if (qed_offset_is_unalloc_cluster(offset)) { - continue; - } - - /* Detect invalid L2 offset */ - if (!qed_check_table_offset(s, offset)) { - /* Clear invalid offset */ - if (check->fix) { - table->offsets[i] = 0; - check->result->corruptions_fixed++; - } else { - check->result->corruptions++; - } - - num_invalid_l1++; - continue; - } - - if (!qed_set_used_clusters(check, offset, s->header.table_size)) { - continue; /* skip an invalid table */ - } - - ret = qed_read_l2_table_sync(s, &check->request, offset); - if (ret) { - check->result->check_errors++; - last_error = ret; - continue; - } - - num_invalid_l2 = qed_check_l2_table(check, - check->request.l2_table->table); - - /* Write out fixed L2 table */ - if (num_invalid_l2 > 0 && check->fix) { - ret = qed_write_l2_table_sync(s, &check->request, 0, - s->table_nelems, false); - if (ret) { - check->result->check_errors++; - last_error = ret; - continue; - } - } - } - - /* Drop reference to final table */ - qed_unref_l2_cache_entry(check->request.l2_table); - check->request.l2_table = NULL; - - /* Write out fixed L1 table */ - if (num_invalid_l1 > 0 && check->fix) { - ret = qed_write_l1_table_sync(s, 0, s->table_nelems); - if (ret) { - check->result->check_errors++; - last_error = ret; - } - } - - return last_error; -} - -/** - * Check for unreferenced (leaked) clusters - */ -static void qed_check_for_leaks(QEDCheck *check) -{ - BDRVQEDState *s = check->s; - uint64_t i; - - for (i = s->header.header_size; i < check->nclusters; i++) { - if (!qed_test_bit(check->used_clusters, i)) { - check->result->leaks++; - } - } -} - -/** - * Mark an image clean once it passes check or has been repaired - */ -static void qed_check_mark_clean(BDRVQEDState *s, BdrvCheckResult *result) -{ - /* Skip if there were unfixable corruptions or I/O errors */ - if (result->corruptions > 0 || result->check_errors > 0) { - return; - } - - /* Skip if image is already marked clean */ - if (!(s->header.features & QED_F_NEED_CHECK)) { - return; - } - - /* Ensure fixes reach storage before clearing check bit */ - bdrv_flush(s->bs); - - s->header.features &= ~QED_F_NEED_CHECK; - qed_write_header_sync(s); -} - -int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix) -{ - QEDCheck check = { - .s = s, - .result = result, - .nclusters = qed_bytes_to_clusters(s, s->file_size), - .request = { .l2_table = NULL }, - .fix = fix, - }; - int ret; - - check.used_clusters = g_malloc0(((check.nclusters + 31) / 32) * - sizeof(check.used_clusters[0])); - - check.result->bfi.total_clusters = - (s->header.image_size + s->header.cluster_size - 1) / - s->header.cluster_size; - ret = qed_check_l1_table(&check, s->l1_table); - if (ret == 0) { - /* Only check for leaks if entire image was scanned successfully */ - qed_check_for_leaks(&check); - - if (fix) { - qed_check_mark_clean(s, result); - } - } - - g_free(check.used_clusters); - return ret; -} diff --git a/contrib/qemu/block/qed-cluster.c b/contrib/qemu/block/qed-cluster.c deleted file mode 100644 index f64b2af8f7e..00000000000 --- a/contrib/qemu/block/qed-cluster.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * QEMU Enhanced Disk Format Cluster functions - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qed.h" - -/** - * Count the number of contiguous data clusters - * - * @s: QED state - * @table: L2 table - * @index: First cluster index - * @n: Maximum number of clusters - * @offset: Set to first cluster offset - * - * This function scans tables for contiguous clusters. A contiguous run of - * clusters may be allocated, unallocated, or zero. - */ -static unsigned int qed_count_contiguous_clusters(BDRVQEDState *s, - QEDTable *table, - unsigned int index, - unsigned int n, - uint64_t *offset) -{ - unsigned int end = MIN(index + n, s->table_nelems); - uint64_t last = table->offsets[index]; - unsigned int i; - - *offset = last; - - for (i = index + 1; i < end; i++) { - if (qed_offset_is_unalloc_cluster(last)) { - /* Counting unallocated clusters */ - if (!qed_offset_is_unalloc_cluster(table->offsets[i])) { - break; - } - } else if (qed_offset_is_zero_cluster(last)) { - /* Counting zero clusters */ - if (!qed_offset_is_zero_cluster(table->offsets[i])) { - break; - } - } else { - /* Counting allocated clusters */ - if (table->offsets[i] != last + s->header.cluster_size) { - break; - } - last = table->offsets[i]; - } - } - return i - index; -} - -typedef struct { - BDRVQEDState *s; - uint64_t pos; - size_t len; - - QEDRequest *request; - - /* User callback */ - QEDFindClusterFunc *cb; - void *opaque; -} QEDFindClusterCB; - -static void qed_find_cluster_cb(void *opaque, int ret) -{ - QEDFindClusterCB *find_cluster_cb = opaque; - BDRVQEDState *s = find_cluster_cb->s; - QEDRequest *request = find_cluster_cb->request; - uint64_t offset = 0; - size_t len = 0; - unsigned int index; - unsigned int n; - - if (ret) { - goto out; - } - - index = qed_l2_index(s, find_cluster_cb->pos); - n = qed_bytes_to_clusters(s, - qed_offset_into_cluster(s, find_cluster_cb->pos) + - find_cluster_cb->len); - n = qed_count_contiguous_clusters(s, request->l2_table->table, - index, n, &offset); - - if (qed_offset_is_unalloc_cluster(offset)) { - ret = QED_CLUSTER_L2; - } else if (qed_offset_is_zero_cluster(offset)) { - ret = QED_CLUSTER_ZERO; - } else if (qed_check_cluster_offset(s, offset)) { - ret = QED_CLUSTER_FOUND; - } else { - ret = -EINVAL; - } - - len = MIN(find_cluster_cb->len, n * s->header.cluster_size - - qed_offset_into_cluster(s, find_cluster_cb->pos)); - -out: - find_cluster_cb->cb(find_cluster_cb->opaque, ret, offset, len); - g_free(find_cluster_cb); -} - -/** - * Find the offset of a data cluster - * - * @s: QED state - * @request: L2 cache entry - * @pos: Byte position in device - * @len: Number of bytes - * @cb: Completion function - * @opaque: User data for completion function - * - * This function translates a position in the block device to an offset in the - * image file. It invokes the cb completion callback to report back the - * translated offset or unallocated range in the image file. - * - * If the L2 table exists, request->l2_table points to the L2 table cache entry - * and the caller must free the reference when they are finished. The cache - * entry is exposed in this way to avoid callers having to read the L2 table - * again later during request processing. If request->l2_table is non-NULL it - * will be unreferenced before taking on the new cache entry. - */ -void qed_find_cluster(BDRVQEDState *s, QEDRequest *request, uint64_t pos, - size_t len, QEDFindClusterFunc *cb, void *opaque) -{ - QEDFindClusterCB *find_cluster_cb; - uint64_t l2_offset; - - /* Limit length to L2 boundary. Requests are broken up at the L2 boundary - * so that a request acts on one L2 table at a time. - */ - len = MIN(len, (((pos >> s->l1_shift) + 1) << s->l1_shift) - pos); - - l2_offset = s->l1_table->offsets[qed_l1_index(s, pos)]; - if (qed_offset_is_unalloc_cluster(l2_offset)) { - cb(opaque, QED_CLUSTER_L1, 0, len); - return; - } - if (!qed_check_table_offset(s, l2_offset)) { - cb(opaque, -EINVAL, 0, 0); - return; - } - - find_cluster_cb = g_malloc(sizeof(*find_cluster_cb)); - find_cluster_cb->s = s; - find_cluster_cb->pos = pos; - find_cluster_cb->len = len; - find_cluster_cb->cb = cb; - find_cluster_cb->opaque = opaque; - find_cluster_cb->request = request; - - qed_read_l2_table(s, request, l2_offset, - qed_find_cluster_cb, find_cluster_cb); -} diff --git a/contrib/qemu/block/qed-gencb.c b/contrib/qemu/block/qed-gencb.c deleted file mode 100644 index 7d7ac1ffc8e..00000000000 --- a/contrib/qemu/block/qed-gencb.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * QEMU Enhanced Disk Format - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qed.h" - -void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque) -{ - GenericCB *gencb = g_malloc(len); - gencb->cb = cb; - gencb->opaque = opaque; - return gencb; -} - -void gencb_complete(void *opaque, int ret) -{ - GenericCB *gencb = opaque; - BlockDriverCompletionFunc *cb = gencb->cb; - void *user_opaque = gencb->opaque; - - g_free(gencb); - cb(user_opaque, ret); -} diff --git a/contrib/qemu/block/qed-l2-cache.c b/contrib/qemu/block/qed-l2-cache.c deleted file mode 100644 index e9b2aae44d9..00000000000 --- a/contrib/qemu/block/qed-l2-cache.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * QEMU Enhanced Disk Format L2 Cache - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -/* - * L2 table cache usage is as follows: - * - * An open image has one L2 table cache that is used to avoid accessing the - * image file for recently referenced L2 tables. - * - * Cluster offset lookup translates the logical offset within the block device - * to a cluster offset within the image file. This is done by indexing into - * the L1 and L2 tables which store cluster offsets. It is here where the L2 - * table cache serves up recently referenced L2 tables. - * - * If there is a cache miss, that L2 table is read from the image file and - * committed to the cache. Subsequent accesses to that L2 table will be served - * from the cache until the table is evicted from the cache. - * - * L2 tables are also committed to the cache when new L2 tables are allocated - * in the image file. Since the L2 table cache is write-through, the new L2 - * table is first written out to the image file and then committed to the - * cache. - * - * Multiple I/O requests may be using an L2 table cache entry at any given - * time. That means an entry may be in use across several requests and - * reference counting is needed to free the entry at the correct time. In - * particular, an entry evicted from the cache will only be freed once all - * references are dropped. - * - * An in-flight I/O request will hold a reference to a L2 table cache entry for - * the period during which it needs to access the L2 table. This includes - * cluster offset lookup, L2 table allocation, and L2 table update when a new - * data cluster has been allocated. - * - * An interesting case occurs when two requests need to access an L2 table that - * is not in the cache. Since the operation to read the table from the image - * file takes some time to complete, both requests may see a cache miss and - * start reading the L2 table from the image file. The first to finish will - * commit its L2 table into the cache. When the second tries to commit its - * table will be deleted in favor of the existing cache entry. - */ - -#include "trace.h" -#include "qed.h" - -/* Each L2 holds 2GB so this let's us fully cache a 100GB disk */ -#define MAX_L2_CACHE_SIZE 50 - -/** - * Initialize the L2 cache - */ -void qed_init_l2_cache(L2TableCache *l2_cache) -{ - QTAILQ_INIT(&l2_cache->entries); - l2_cache->n_entries = 0; -} - -/** - * Free the L2 cache - */ -void qed_free_l2_cache(L2TableCache *l2_cache) -{ - CachedL2Table *entry, *next_entry; - - QTAILQ_FOREACH_SAFE(entry, &l2_cache->entries, node, next_entry) { - qemu_vfree(entry->table); - g_free(entry); - } -} - -/** - * Allocate an uninitialized entry from the cache - * - * The returned entry has a reference count of 1 and is owned by the caller. - * The caller must allocate the actual table field for this entry and it must - * be freeable using qemu_vfree(). - */ -CachedL2Table *qed_alloc_l2_cache_entry(L2TableCache *l2_cache) -{ - CachedL2Table *entry; - - entry = g_malloc0(sizeof(*entry)); - entry->ref++; - - trace_qed_alloc_l2_cache_entry(l2_cache, entry); - - return entry; -} - -/** - * Decrease an entry's reference count and free if necessary when the reference - * count drops to zero. - */ -void qed_unref_l2_cache_entry(CachedL2Table *entry) -{ - if (!entry) { - return; - } - - entry->ref--; - trace_qed_unref_l2_cache_entry(entry, entry->ref); - if (entry->ref == 0) { - qemu_vfree(entry->table); - g_free(entry); - } -} - -/** - * Find an entry in the L2 cache. This may return NULL and it's up to the - * caller to satisfy the cache miss. - * - * For a cached entry, this function increases the reference count and returns - * the entry. - */ -CachedL2Table *qed_find_l2_cache_entry(L2TableCache *l2_cache, uint64_t offset) -{ - CachedL2Table *entry; - - QTAILQ_FOREACH(entry, &l2_cache->entries, node) { - if (entry->offset == offset) { - trace_qed_find_l2_cache_entry(l2_cache, entry, offset, entry->ref); - entry->ref++; - return entry; - } - } - return NULL; -} - -/** - * Commit an L2 cache entry into the cache. This is meant to be used as part of - * the process to satisfy a cache miss. A caller would allocate an entry which - * is not actually in the L2 cache and then once the entry was valid and - * present on disk, the entry can be committed into the cache. - * - * Since the cache is write-through, it's important that this function is not - * called until the entry is present on disk and the L1 has been updated to - * point to the entry. - * - * N.B. This function steals a reference to the l2_table from the caller so the - * caller must obtain a new reference by issuing a call to - * qed_find_l2_cache_entry(). - */ -void qed_commit_l2_cache_entry(L2TableCache *l2_cache, CachedL2Table *l2_table) -{ - CachedL2Table *entry; - - entry = qed_find_l2_cache_entry(l2_cache, l2_table->offset); - if (entry) { - qed_unref_l2_cache_entry(entry); - qed_unref_l2_cache_entry(l2_table); - return; - } - - /* Evict an unused cache entry so we have space. If all entries are in use - * we can grow the cache temporarily and we try to shrink back down later. - */ - if (l2_cache->n_entries >= MAX_L2_CACHE_SIZE) { - CachedL2Table *next; - QTAILQ_FOREACH_SAFE(entry, &l2_cache->entries, node, next) { - if (entry->ref > 1) { - continue; - } - - QTAILQ_REMOVE(&l2_cache->entries, entry, node); - l2_cache->n_entries--; - qed_unref_l2_cache_entry(entry); - - /* Stop evicting when we've shrunk back to max size */ - if (l2_cache->n_entries < MAX_L2_CACHE_SIZE) { - break; - } - } - } - - l2_cache->n_entries++; - QTAILQ_INSERT_TAIL(&l2_cache->entries, l2_table, node); -} diff --git a/contrib/qemu/block/qed-table.c b/contrib/qemu/block/qed-table.c deleted file mode 100644 index 76d2dcccf81..00000000000 --- a/contrib/qemu/block/qed-table.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * QEMU Enhanced Disk Format Table I/O - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "trace.h" -#include "qemu/sockets.h" /* for EINPROGRESS on Windows */ -#include "qed.h" - -typedef struct { - GenericCB gencb; - BDRVQEDState *s; - QEDTable *table; - - struct iovec iov; - QEMUIOVector qiov; -} QEDReadTableCB; - -static void qed_read_table_cb(void *opaque, int ret) -{ - QEDReadTableCB *read_table_cb = opaque; - QEDTable *table = read_table_cb->table; - int noffsets = read_table_cb->qiov.size / sizeof(uint64_t); - int i; - - /* Handle I/O error */ - if (ret) { - goto out; - } - - /* Byteswap offsets */ - for (i = 0; i < noffsets; i++) { - table->offsets[i] = le64_to_cpu(table->offsets[i]); - } - -out: - /* Completion */ - trace_qed_read_table_cb(read_table_cb->s, read_table_cb->table, ret); - gencb_complete(&read_table_cb->gencb, ret); -} - -static void qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, - BlockDriverCompletionFunc *cb, void *opaque) -{ - QEDReadTableCB *read_table_cb = gencb_alloc(sizeof(*read_table_cb), - cb, opaque); - QEMUIOVector *qiov = &read_table_cb->qiov; - - trace_qed_read_table(s, offset, table); - - read_table_cb->s = s; - read_table_cb->table = table; - read_table_cb->iov.iov_base = table->offsets, - read_table_cb->iov.iov_len = s->header.cluster_size * s->header.table_size, - - qemu_iovec_init_external(qiov, &read_table_cb->iov, 1); - bdrv_aio_readv(s->bs->file, offset / BDRV_SECTOR_SIZE, qiov, - qiov->size / BDRV_SECTOR_SIZE, - qed_read_table_cb, read_table_cb); -} - -typedef struct { - GenericCB gencb; - BDRVQEDState *s; - QEDTable *orig_table; - QEDTable *table; - bool flush; /* flush after write? */ - - struct iovec iov; - QEMUIOVector qiov; -} QEDWriteTableCB; - -static void qed_write_table_cb(void *opaque, int ret) -{ - QEDWriteTableCB *write_table_cb = opaque; - - trace_qed_write_table_cb(write_table_cb->s, - write_table_cb->orig_table, - write_table_cb->flush, - ret); - - if (ret) { - goto out; - } - - if (write_table_cb->flush) { - /* We still need to flush first */ - write_table_cb->flush = false; - bdrv_aio_flush(write_table_cb->s->bs, qed_write_table_cb, - write_table_cb); - return; - } - -out: - qemu_vfree(write_table_cb->table); - gencb_complete(&write_table_cb->gencb, ret); -} - -/** - * Write out an updated part or all of a table - * - * @s: QED state - * @offset: Offset of table in image file, in bytes - * @table: Table - * @index: Index of first element - * @n: Number of elements - * @flush: Whether or not to sync to disk - * @cb: Completion function - * @opaque: Argument for completion function - */ -static void qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, - unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque) -{ - QEDWriteTableCB *write_table_cb; - unsigned int sector_mask = BDRV_SECTOR_SIZE / sizeof(uint64_t) - 1; - unsigned int start, end, i; - size_t len_bytes; - - trace_qed_write_table(s, offset, table, index, n); - - /* Calculate indices of the first and one after last elements */ - start = index & ~sector_mask; - end = (index + n + sector_mask) & ~sector_mask; - - len_bytes = (end - start) * sizeof(uint64_t); - - write_table_cb = gencb_alloc(sizeof(*write_table_cb), cb, opaque); - write_table_cb->s = s; - write_table_cb->orig_table = table; - write_table_cb->flush = flush; - write_table_cb->table = qemu_blockalign(s->bs, len_bytes); - write_table_cb->iov.iov_base = write_table_cb->table->offsets; - write_table_cb->iov.iov_len = len_bytes; - qemu_iovec_init_external(&write_table_cb->qiov, &write_table_cb->iov, 1); - - /* Byteswap table */ - for (i = start; i < end; i++) { - uint64_t le_offset = cpu_to_le64(table->offsets[i]); - write_table_cb->table->offsets[i - start] = le_offset; - } - - /* Adjust for offset into table */ - offset += start * sizeof(uint64_t); - - bdrv_aio_writev(s->bs->file, offset / BDRV_SECTOR_SIZE, - &write_table_cb->qiov, - write_table_cb->qiov.size / BDRV_SECTOR_SIZE, - qed_write_table_cb, write_table_cb); -} - -/** - * Propagate return value from async callback - */ -static void qed_sync_cb(void *opaque, int ret) -{ - *(int *)opaque = ret; -} - -int qed_read_l1_table_sync(BDRVQEDState *s) -{ - int ret = -EINPROGRESS; - - qed_read_table(s, s->header.l1_table_offset, - s->l1_table, qed_sync_cb, &ret); - while (ret == -EINPROGRESS) { - qemu_aio_wait(); - } - - return ret; -} - -void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n, - BlockDriverCompletionFunc *cb, void *opaque) -{ - BLKDBG_EVENT(s->bs->file, BLKDBG_L1_UPDATE); - qed_write_table(s, s->header.l1_table_offset, - s->l1_table, index, n, false, cb, opaque); -} - -int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index, - unsigned int n) -{ - int ret = -EINPROGRESS; - - qed_write_l1_table(s, index, n, qed_sync_cb, &ret); - while (ret == -EINPROGRESS) { - qemu_aio_wait(); - } - - return ret; -} - -typedef struct { - GenericCB gencb; - BDRVQEDState *s; - uint64_t l2_offset; - QEDRequest *request; -} QEDReadL2TableCB; - -static void qed_read_l2_table_cb(void *opaque, int ret) -{ - QEDReadL2TableCB *read_l2_table_cb = opaque; - QEDRequest *request = read_l2_table_cb->request; - BDRVQEDState *s = read_l2_table_cb->s; - CachedL2Table *l2_table = request->l2_table; - uint64_t l2_offset = read_l2_table_cb->l2_offset; - - if (ret) { - /* can't trust loaded L2 table anymore */ - qed_unref_l2_cache_entry(l2_table); - request->l2_table = NULL; - } else { - l2_table->offset = l2_offset; - - qed_commit_l2_cache_entry(&s->l2_cache, l2_table); - - /* This is guaranteed to succeed because we just committed the entry - * to the cache. - */ - request->l2_table = qed_find_l2_cache_entry(&s->l2_cache, l2_offset); - assert(request->l2_table != NULL); - } - - gencb_complete(&read_l2_table_cb->gencb, ret); -} - -void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset, - BlockDriverCompletionFunc *cb, void *opaque) -{ - QEDReadL2TableCB *read_l2_table_cb; - - qed_unref_l2_cache_entry(request->l2_table); - - /* Check for cached L2 entry */ - request->l2_table = qed_find_l2_cache_entry(&s->l2_cache, offset); - if (request->l2_table) { - cb(opaque, 0); - return; - } - - request->l2_table = qed_alloc_l2_cache_entry(&s->l2_cache); - request->l2_table->table = qed_alloc_table(s); - - read_l2_table_cb = gencb_alloc(sizeof(*read_l2_table_cb), cb, opaque); - read_l2_table_cb->s = s; - read_l2_table_cb->l2_offset = offset; - read_l2_table_cb->request = request; - - BLKDBG_EVENT(s->bs->file, BLKDBG_L2_LOAD); - qed_read_table(s, offset, request->l2_table->table, - qed_read_l2_table_cb, read_l2_table_cb); -} - -int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset) -{ - int ret = -EINPROGRESS; - - qed_read_l2_table(s, request, offset, qed_sync_cb, &ret); - while (ret == -EINPROGRESS) { - qemu_aio_wait(); - } - - return ret; -} - -void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request, - unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque) -{ - BLKDBG_EVENT(s->bs->file, BLKDBG_L2_UPDATE); - qed_write_table(s, request->l2_table->offset, - request->l2_table->table, index, n, flush, cb, opaque); -} - -int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request, - unsigned int index, unsigned int n, bool flush) -{ - int ret = -EINPROGRESS; - - qed_write_l2_table(s, request, index, n, flush, qed_sync_cb, &ret); - while (ret == -EINPROGRESS) { - qemu_aio_wait(); - } - - return ret; -} diff --git a/contrib/qemu/block/qed.c b/contrib/qemu/block/qed.c deleted file mode 100644 index f767b0528ce..00000000000 --- a/contrib/qemu/block/qed.c +++ /dev/null @@ -1,1596 +0,0 @@ -/* - * QEMU Enhanced Disk Format - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qemu/timer.h" -#include "trace.h" -#include "qed.h" -#include "qapi/qmp/qerror.h" -#include "migration/migration.h" - -static void qed_aio_cancel(BlockDriverAIOCB *blockacb) -{ - QEDAIOCB *acb = (QEDAIOCB *)blockacb; - bool finished = false; - - /* Wait for the request to finish */ - acb->finished = &finished; - while (!finished) { - qemu_aio_wait(); - } -} - -static const AIOCBInfo qed_aiocb_info = { - .aiocb_size = sizeof(QEDAIOCB), - .cancel = qed_aio_cancel, -}; - -static int bdrv_qed_probe(const uint8_t *buf, int buf_size, - const char *filename) -{ - const QEDHeader *header = (const QEDHeader *)buf; - - if (buf_size < sizeof(*header)) { - return 0; - } - if (le32_to_cpu(header->magic) != QED_MAGIC) { - return 0; - } - return 100; -} - -/** - * Check whether an image format is raw - * - * @fmt: Backing file format, may be NULL - */ -static bool qed_fmt_is_raw(const char *fmt) -{ - return fmt && strcmp(fmt, "raw") == 0; -} - -static void qed_header_le_to_cpu(const QEDHeader *le, QEDHeader *cpu) -{ - cpu->magic = le32_to_cpu(le->magic); - cpu->cluster_size = le32_to_cpu(le->cluster_size); - cpu->table_size = le32_to_cpu(le->table_size); - cpu->header_size = le32_to_cpu(le->header_size); - cpu->features = le64_to_cpu(le->features); - cpu->compat_features = le64_to_cpu(le->compat_features); - cpu->autoclear_features = le64_to_cpu(le->autoclear_features); - cpu->l1_table_offset = le64_to_cpu(le->l1_table_offset); - cpu->image_size = le64_to_cpu(le->image_size); - cpu->backing_filename_offset = le32_to_cpu(le->backing_filename_offset); - cpu->backing_filename_size = le32_to_cpu(le->backing_filename_size); -} - -static void qed_header_cpu_to_le(const QEDHeader *cpu, QEDHeader *le) -{ - le->magic = cpu_to_le32(cpu->magic); - le->cluster_size = cpu_to_le32(cpu->cluster_size); - le->table_size = cpu_to_le32(cpu->table_size); - le->header_size = cpu_to_le32(cpu->header_size); - le->features = cpu_to_le64(cpu->features); - le->compat_features = cpu_to_le64(cpu->compat_features); - le->autoclear_features = cpu_to_le64(cpu->autoclear_features); - le->l1_table_offset = cpu_to_le64(cpu->l1_table_offset); - le->image_size = cpu_to_le64(cpu->image_size); - le->backing_filename_offset = cpu_to_le32(cpu->backing_filename_offset); - le->backing_filename_size = cpu_to_le32(cpu->backing_filename_size); -} - -int qed_write_header_sync(BDRVQEDState *s) -{ - QEDHeader le; - int ret; - - qed_header_cpu_to_le(&s->header, &le); - ret = bdrv_pwrite(s->bs->file, 0, &le, sizeof(le)); - if (ret != sizeof(le)) { - return ret; - } - return 0; -} - -typedef struct { - GenericCB gencb; - BDRVQEDState *s; - struct iovec iov; - QEMUIOVector qiov; - int nsectors; - uint8_t *buf; -} QEDWriteHeaderCB; - -static void qed_write_header_cb(void *opaque, int ret) -{ - QEDWriteHeaderCB *write_header_cb = opaque; - - qemu_vfree(write_header_cb->buf); - gencb_complete(write_header_cb, ret); -} - -static void qed_write_header_read_cb(void *opaque, int ret) -{ - QEDWriteHeaderCB *write_header_cb = opaque; - BDRVQEDState *s = write_header_cb->s; - - if (ret) { - qed_write_header_cb(write_header_cb, ret); - return; - } - - /* Update header */ - qed_header_cpu_to_le(&s->header, (QEDHeader *)write_header_cb->buf); - - bdrv_aio_writev(s->bs->file, 0, &write_header_cb->qiov, - write_header_cb->nsectors, qed_write_header_cb, - write_header_cb); -} - -/** - * Update header in-place (does not rewrite backing filename or other strings) - * - * This function only updates known header fields in-place and does not affect - * extra data after the QED header. - */ -static void qed_write_header(BDRVQEDState *s, BlockDriverCompletionFunc cb, - void *opaque) -{ - /* We must write full sectors for O_DIRECT but cannot necessarily generate - * the data following the header if an unrecognized compat feature is - * active. Therefore, first read the sectors containing the header, update - * them, and write back. - */ - - int nsectors = (sizeof(QEDHeader) + BDRV_SECTOR_SIZE - 1) / - BDRV_SECTOR_SIZE; - size_t len = nsectors * BDRV_SECTOR_SIZE; - QEDWriteHeaderCB *write_header_cb = gencb_alloc(sizeof(*write_header_cb), - cb, opaque); - - write_header_cb->s = s; - write_header_cb->nsectors = nsectors; - write_header_cb->buf = qemu_blockalign(s->bs, len); - write_header_cb->iov.iov_base = write_header_cb->buf; - write_header_cb->iov.iov_len = len; - qemu_iovec_init_external(&write_header_cb->qiov, &write_header_cb->iov, 1); - - bdrv_aio_readv(s->bs->file, 0, &write_header_cb->qiov, nsectors, - qed_write_header_read_cb, write_header_cb); -} - -static uint64_t qed_max_image_size(uint32_t cluster_size, uint32_t table_size) -{ - uint64_t table_entries; - uint64_t l2_size; - - table_entries = (table_size * cluster_size) / sizeof(uint64_t); - l2_size = table_entries * cluster_size; - - return l2_size * table_entries; -} - -static bool qed_is_cluster_size_valid(uint32_t cluster_size) -{ - if (cluster_size < QED_MIN_CLUSTER_SIZE || - cluster_size > QED_MAX_CLUSTER_SIZE) { - return false; - } - if (cluster_size & (cluster_size - 1)) { - return false; /* not power of 2 */ - } - return true; -} - -static bool qed_is_table_size_valid(uint32_t table_size) -{ - if (table_size < QED_MIN_TABLE_SIZE || - table_size > QED_MAX_TABLE_SIZE) { - return false; - } - if (table_size & (table_size - 1)) { - return false; /* not power of 2 */ - } - return true; -} - -static bool qed_is_image_size_valid(uint64_t image_size, uint32_t cluster_size, - uint32_t table_size) -{ - if (image_size % BDRV_SECTOR_SIZE != 0) { - return false; /* not multiple of sector size */ - } - if (image_size > qed_max_image_size(cluster_size, table_size)) { - return false; /* image is too large */ - } - return true; -} - -/** - * Read a string of known length from the image file - * - * @file: Image file - * @offset: File offset to start of string, in bytes - * @n: String length in bytes - * @buf: Destination buffer - * @buflen: Destination buffer length in bytes - * @ret: 0 on success, -errno on failure - * - * The string is NUL-terminated. - */ -static int qed_read_string(BlockDriverState *file, uint64_t offset, size_t n, - char *buf, size_t buflen) -{ - int ret; - if (n >= buflen) { - return -EINVAL; - } - ret = bdrv_pread(file, offset, buf, n); - if (ret < 0) { - return ret; - } - buf[n] = '\0'; - return 0; -} - -/** - * Allocate new clusters - * - * @s: QED state - * @n: Number of contiguous clusters to allocate - * @ret: Offset of first allocated cluster - * - * This function only produces the offset where the new clusters should be - * written. It updates BDRVQEDState but does not make any changes to the image - * file. - */ -static uint64_t qed_alloc_clusters(BDRVQEDState *s, unsigned int n) -{ - uint64_t offset = s->file_size; - s->file_size += n * s->header.cluster_size; - return offset; -} - -QEDTable *qed_alloc_table(BDRVQEDState *s) -{ - /* Honor O_DIRECT memory alignment requirements */ - return qemu_blockalign(s->bs, - s->header.cluster_size * s->header.table_size); -} - -/** - * Allocate a new zeroed L2 table - */ -static CachedL2Table *qed_new_l2_table(BDRVQEDState *s) -{ - CachedL2Table *l2_table = qed_alloc_l2_cache_entry(&s->l2_cache); - - l2_table->table = qed_alloc_table(s); - l2_table->offset = qed_alloc_clusters(s, s->header.table_size); - - memset(l2_table->table->offsets, 0, - s->header.cluster_size * s->header.table_size); - return l2_table; -} - -static void qed_aio_next_io(void *opaque, int ret); - -static void qed_plug_allocating_write_reqs(BDRVQEDState *s) -{ - assert(!s->allocating_write_reqs_plugged); - - s->allocating_write_reqs_plugged = true; -} - -static void qed_unplug_allocating_write_reqs(BDRVQEDState *s) -{ - QEDAIOCB *acb; - - assert(s->allocating_write_reqs_plugged); - - s->allocating_write_reqs_plugged = false; - - acb = QSIMPLEQ_FIRST(&s->allocating_write_reqs); - if (acb) { - qed_aio_next_io(acb, 0); - } -} - -static void qed_finish_clear_need_check(void *opaque, int ret) -{ - /* Do nothing */ -} - -static void qed_flush_after_clear_need_check(void *opaque, int ret) -{ - BDRVQEDState *s = opaque; - - bdrv_aio_flush(s->bs, qed_finish_clear_need_check, s); - - /* No need to wait until flush completes */ - qed_unplug_allocating_write_reqs(s); -} - -static void qed_clear_need_check(void *opaque, int ret) -{ - BDRVQEDState *s = opaque; - - if (ret) { - qed_unplug_allocating_write_reqs(s); - return; - } - - s->header.features &= ~QED_F_NEED_CHECK; - qed_write_header(s, qed_flush_after_clear_need_check, s); -} - -static void qed_need_check_timer_cb(void *opaque) -{ - BDRVQEDState *s = opaque; - - /* The timer should only fire when allocating writes have drained */ - assert(!QSIMPLEQ_FIRST(&s->allocating_write_reqs)); - - trace_qed_need_check_timer_cb(s); - - qed_plug_allocating_write_reqs(s); - - /* Ensure writes are on disk before clearing flag */ - bdrv_aio_flush(s->bs, qed_clear_need_check, s); -} - -static void qed_start_need_check_timer(BDRVQEDState *s) -{ - trace_qed_start_need_check_timer(s); - - /* Use vm_clock so we don't alter the image file while suspended for - * migration. - */ - qemu_mod_timer(s->need_check_timer, qemu_get_clock_ns(vm_clock) + - get_ticks_per_sec() * QED_NEED_CHECK_TIMEOUT); -} - -/* It's okay to call this multiple times or when no timer is started */ -static void qed_cancel_need_check_timer(BDRVQEDState *s) -{ - trace_qed_cancel_need_check_timer(s); - qemu_del_timer(s->need_check_timer); -} - -static void bdrv_qed_rebind(BlockDriverState *bs) -{ - BDRVQEDState *s = bs->opaque; - s->bs = bs; -} - -static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags) -{ - BDRVQEDState *s = bs->opaque; - QEDHeader le_header; - int64_t file_size; - int ret; - - s->bs = bs; - QSIMPLEQ_INIT(&s->allocating_write_reqs); - - ret = bdrv_pread(bs->file, 0, &le_header, sizeof(le_header)); - if (ret < 0) { - return ret; - } - qed_header_le_to_cpu(&le_header, &s->header); - - if (s->header.magic != QED_MAGIC) { - return -EMEDIUMTYPE; - } - if (s->header.features & ~QED_FEATURE_MASK) { - /* image uses unsupported feature bits */ - char buf[64]; - snprintf(buf, sizeof(buf), "%" PRIx64, - s->header.features & ~QED_FEATURE_MASK); - qerror_report(QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "QED", buf); - return -ENOTSUP; - } - if (!qed_is_cluster_size_valid(s->header.cluster_size)) { - return -EINVAL; - } - - /* Round down file size to the last cluster */ - file_size = bdrv_getlength(bs->file); - if (file_size < 0) { - return file_size; - } - s->file_size = qed_start_of_cluster(s, file_size); - - if (!qed_is_table_size_valid(s->header.table_size)) { - return -EINVAL; - } - if (!qed_is_image_size_valid(s->header.image_size, - s->header.cluster_size, - s->header.table_size)) { - return -EINVAL; - } - if (!qed_check_table_offset(s, s->header.l1_table_offset)) { - return -EINVAL; - } - - s->table_nelems = (s->header.cluster_size * s->header.table_size) / - sizeof(uint64_t); - s->l2_shift = ffs(s->header.cluster_size) - 1; - s->l2_mask = s->table_nelems - 1; - s->l1_shift = s->l2_shift + ffs(s->table_nelems) - 1; - - if ((s->header.features & QED_F_BACKING_FILE)) { - if ((uint64_t)s->header.backing_filename_offset + - s->header.backing_filename_size > - s->header.cluster_size * s->header.header_size) { - return -EINVAL; - } - - ret = qed_read_string(bs->file, s->header.backing_filename_offset, - s->header.backing_filename_size, bs->backing_file, - sizeof(bs->backing_file)); - if (ret < 0) { - return ret; - } - - if (s->header.features & QED_F_BACKING_FORMAT_NO_PROBE) { - pstrcpy(bs->backing_format, sizeof(bs->backing_format), "raw"); - } - } - - /* Reset unknown autoclear feature bits. This is a backwards - * compatibility mechanism that allows images to be opened by older - * programs, which "knock out" unknown feature bits. When an image is - * opened by a newer program again it can detect that the autoclear - * feature is no longer valid. - */ - if ((s->header.autoclear_features & ~QED_AUTOCLEAR_FEATURE_MASK) != 0 && - !bdrv_is_read_only(bs->file) && !(flags & BDRV_O_INCOMING)) { - s->header.autoclear_features &= QED_AUTOCLEAR_FEATURE_MASK; - - ret = qed_write_header_sync(s); - if (ret) { - return ret; - } - - /* From here on only known autoclear feature bits are valid */ - bdrv_flush(bs->file); - } - - s->l1_table = qed_alloc_table(s); - qed_init_l2_cache(&s->l2_cache); - - ret = qed_read_l1_table_sync(s); - if (ret) { - goto out; - } - - /* If image was not closed cleanly, check consistency */ - if (!(flags & BDRV_O_CHECK) && (s->header.features & QED_F_NEED_CHECK)) { - /* Read-only images cannot be fixed. There is no risk of corruption - * since write operations are not possible. Therefore, allow - * potentially inconsistent images to be opened read-only. This can - * aid data recovery from an otherwise inconsistent image. - */ - if (!bdrv_is_read_only(bs->file) && - !(flags & BDRV_O_INCOMING)) { - BdrvCheckResult result = {0}; - - ret = qed_check(s, &result, true); - if (ret) { - goto out; - } - } - } - - s->need_check_timer = qemu_new_timer_ns(vm_clock, - qed_need_check_timer_cb, s); - -out: - if (ret) { - qed_free_l2_cache(&s->l2_cache); - qemu_vfree(s->l1_table); - } - return ret; -} - -/* We have nothing to do for QED reopen, stubs just return - * success */ -static int bdrv_qed_reopen_prepare(BDRVReopenState *state, - BlockReopenQueue *queue, Error **errp) -{ - return 0; -} - -static void bdrv_qed_close(BlockDriverState *bs) -{ - BDRVQEDState *s = bs->opaque; - - qed_cancel_need_check_timer(s); - qemu_free_timer(s->need_check_timer); - - /* Ensure writes reach stable storage */ - bdrv_flush(bs->file); - - /* Clean shutdown, no check required on next open */ - if (s->header.features & QED_F_NEED_CHECK) { - s->header.features &= ~QED_F_NEED_CHECK; - qed_write_header_sync(s); - } - - qed_free_l2_cache(&s->l2_cache); - qemu_vfree(s->l1_table); -} - -static int qed_create(const char *filename, uint32_t cluster_size, - uint64_t image_size, uint32_t table_size, - const char *backing_file, const char *backing_fmt) -{ - QEDHeader header = { - .magic = QED_MAGIC, - .cluster_size = cluster_size, - .table_size = table_size, - .header_size = 1, - .features = 0, - .compat_features = 0, - .l1_table_offset = cluster_size, - .image_size = image_size, - }; - QEDHeader le_header; - uint8_t *l1_table = NULL; - size_t l1_size = header.cluster_size * header.table_size; - int ret = 0; - BlockDriverState *bs = NULL; - - ret = bdrv_create_file(filename, NULL); - if (ret < 0) { - return ret; - } - - ret = bdrv_file_open(&bs, filename, NULL, BDRV_O_RDWR | BDRV_O_CACHE_WB); - if (ret < 0) { - return ret; - } - - /* File must start empty and grow, check truncate is supported */ - ret = bdrv_truncate(bs, 0); - if (ret < 0) { - goto out; - } - - if (backing_file) { - header.features |= QED_F_BACKING_FILE; - header.backing_filename_offset = sizeof(le_header); - header.backing_filename_size = strlen(backing_file); - - if (qed_fmt_is_raw(backing_fmt)) { - header.features |= QED_F_BACKING_FORMAT_NO_PROBE; - } - } - - qed_header_cpu_to_le(&header, &le_header); - ret = bdrv_pwrite(bs, 0, &le_header, sizeof(le_header)); - if (ret < 0) { - goto out; - } - ret = bdrv_pwrite(bs, sizeof(le_header), backing_file, - header.backing_filename_size); - if (ret < 0) { - goto out; - } - - l1_table = g_malloc0(l1_size); - ret = bdrv_pwrite(bs, header.l1_table_offset, l1_table, l1_size); - if (ret < 0) { - goto out; - } - - ret = 0; /* success */ -out: - g_free(l1_table); - bdrv_delete(bs); - return ret; -} - -static int bdrv_qed_create(const char *filename, QEMUOptionParameter *options) -{ - uint64_t image_size = 0; - uint32_t cluster_size = QED_DEFAULT_CLUSTER_SIZE; - uint32_t table_size = QED_DEFAULT_TABLE_SIZE; - const char *backing_file = NULL; - const char *backing_fmt = NULL; - - while (options && options->name) { - if (!strcmp(options->name, BLOCK_OPT_SIZE)) { - image_size = options->value.n; - } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) { - backing_file = options->value.s; - } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FMT)) { - backing_fmt = options->value.s; - } else if (!strcmp(options->name, BLOCK_OPT_CLUSTER_SIZE)) { - if (options->value.n) { - cluster_size = options->value.n; - } - } else if (!strcmp(options->name, BLOCK_OPT_TABLE_SIZE)) { - if (options->value.n) { - table_size = options->value.n; - } - } - options++; - } - - if (!qed_is_cluster_size_valid(cluster_size)) { - fprintf(stderr, "QED cluster size must be within range [%u, %u] and power of 2\n", - QED_MIN_CLUSTER_SIZE, QED_MAX_CLUSTER_SIZE); - return -EINVAL; - } - if (!qed_is_table_size_valid(table_size)) { - fprintf(stderr, "QED table size must be within range [%u, %u] and power of 2\n", - QED_MIN_TABLE_SIZE, QED_MAX_TABLE_SIZE); - return -EINVAL; - } - if (!qed_is_image_size_valid(image_size, cluster_size, table_size)) { - fprintf(stderr, "QED image size must be a non-zero multiple of " - "cluster size and less than %" PRIu64 " bytes\n", - qed_max_image_size(cluster_size, table_size)); - return -EINVAL; - } - - return qed_create(filename, cluster_size, image_size, table_size, - backing_file, backing_fmt); -} - -typedef struct { - Coroutine *co; - int is_allocated; - int *pnum; -} QEDIsAllocatedCB; - -static void qed_is_allocated_cb(void *opaque, int ret, uint64_t offset, size_t len) -{ - QEDIsAllocatedCB *cb = opaque; - *cb->pnum = len / BDRV_SECTOR_SIZE; - cb->is_allocated = (ret == QED_CLUSTER_FOUND || ret == QED_CLUSTER_ZERO); - if (cb->co) { - qemu_coroutine_enter(cb->co, NULL); - } -} - -static int coroutine_fn bdrv_qed_co_is_allocated(BlockDriverState *bs, - int64_t sector_num, - int nb_sectors, int *pnum) -{ - BDRVQEDState *s = bs->opaque; - uint64_t pos = (uint64_t)sector_num * BDRV_SECTOR_SIZE; - size_t len = (size_t)nb_sectors * BDRV_SECTOR_SIZE; - QEDIsAllocatedCB cb = { - .is_allocated = -1, - .pnum = pnum, - }; - QEDRequest request = { .l2_table = NULL }; - - qed_find_cluster(s, &request, pos, len, qed_is_allocated_cb, &cb); - - /* Now sleep if the callback wasn't invoked immediately */ - while (cb.is_allocated == -1) { - cb.co = qemu_coroutine_self(); - qemu_coroutine_yield(); - } - - qed_unref_l2_cache_entry(request.l2_table); - - return cb.is_allocated; -} - -static int bdrv_qed_make_empty(BlockDriverState *bs) -{ - return -ENOTSUP; -} - -static BDRVQEDState *acb_to_s(QEDAIOCB *acb) -{ - return acb->common.bs->opaque; -} - -/** - * Read from the backing file or zero-fill if no backing file - * - * @s: QED state - * @pos: Byte position in device - * @qiov: Destination I/O vector - * @cb: Completion function - * @opaque: User data for completion function - * - * This function reads qiov->size bytes starting at pos from the backing file. - * If there is no backing file then zeroes are read. - */ -static void qed_read_backing_file(BDRVQEDState *s, uint64_t pos, - QEMUIOVector *qiov, - BlockDriverCompletionFunc *cb, void *opaque) -{ - uint64_t backing_length = 0; - size_t size; - - /* If there is a backing file, get its length. Treat the absence of a - * backing file like a zero length backing file. - */ - if (s->bs->backing_hd) { - int64_t l = bdrv_getlength(s->bs->backing_hd); - if (l < 0) { - cb(opaque, l); - return; - } - backing_length = l; - } - - /* Zero all sectors if reading beyond the end of the backing file */ - if (pos >= backing_length || - pos + qiov->size > backing_length) { - qemu_iovec_memset(qiov, 0, 0, qiov->size); - } - - /* Complete now if there are no backing file sectors to read */ - if (pos >= backing_length) { - cb(opaque, 0); - return; - } - - /* If the read straddles the end of the backing file, shorten it */ - size = MIN((uint64_t)backing_length - pos, qiov->size); - - BLKDBG_EVENT(s->bs->file, BLKDBG_READ_BACKING_AIO); - bdrv_aio_readv(s->bs->backing_hd, pos / BDRV_SECTOR_SIZE, - qiov, size / BDRV_SECTOR_SIZE, cb, opaque); -} - -typedef struct { - GenericCB gencb; - BDRVQEDState *s; - QEMUIOVector qiov; - struct iovec iov; - uint64_t offset; -} CopyFromBackingFileCB; - -static void qed_copy_from_backing_file_cb(void *opaque, int ret) -{ - CopyFromBackingFileCB *copy_cb = opaque; - qemu_vfree(copy_cb->iov.iov_base); - gencb_complete(©_cb->gencb, ret); -} - -static void qed_copy_from_backing_file_write(void *opaque, int ret) -{ - CopyFromBackingFileCB *copy_cb = opaque; - BDRVQEDState *s = copy_cb->s; - - if (ret) { - qed_copy_from_backing_file_cb(copy_cb, ret); - return; - } - - BLKDBG_EVENT(s->bs->file, BLKDBG_COW_WRITE); - bdrv_aio_writev(s->bs->file, copy_cb->offset / BDRV_SECTOR_SIZE, - ©_cb->qiov, copy_cb->qiov.size / BDRV_SECTOR_SIZE, - qed_copy_from_backing_file_cb, copy_cb); -} - -/** - * Copy data from backing file into the image - * - * @s: QED state - * @pos: Byte position in device - * @len: Number of bytes - * @offset: Byte offset in image file - * @cb: Completion function - * @opaque: User data for completion function - */ -static void qed_copy_from_backing_file(BDRVQEDState *s, uint64_t pos, - uint64_t len, uint64_t offset, - BlockDriverCompletionFunc *cb, - void *opaque) -{ - CopyFromBackingFileCB *copy_cb; - - /* Skip copy entirely if there is no work to do */ - if (len == 0) { - cb(opaque, 0); - return; - } - - copy_cb = gencb_alloc(sizeof(*copy_cb), cb, opaque); - copy_cb->s = s; - copy_cb->offset = offset; - copy_cb->iov.iov_base = qemu_blockalign(s->bs, len); - copy_cb->iov.iov_len = len; - qemu_iovec_init_external(©_cb->qiov, ©_cb->iov, 1); - - qed_read_backing_file(s, pos, ©_cb->qiov, - qed_copy_from_backing_file_write, copy_cb); -} - -/** - * Link one or more contiguous clusters into a table - * - * @s: QED state - * @table: L2 table - * @index: First cluster index - * @n: Number of contiguous clusters - * @cluster: First cluster offset - * - * The cluster offset may be an allocated byte offset in the image file, the - * zero cluster marker, or the unallocated cluster marker. - */ -static void qed_update_l2_table(BDRVQEDState *s, QEDTable *table, int index, - unsigned int n, uint64_t cluster) -{ - int i; - for (i = index; i < index + n; i++) { - table->offsets[i] = cluster; - if (!qed_offset_is_unalloc_cluster(cluster) && - !qed_offset_is_zero_cluster(cluster)) { - cluster += s->header.cluster_size; - } - } -} - -static void qed_aio_complete_bh(void *opaque) -{ - QEDAIOCB *acb = opaque; - BlockDriverCompletionFunc *cb = acb->common.cb; - void *user_opaque = acb->common.opaque; - int ret = acb->bh_ret; - bool *finished = acb->finished; - - qemu_bh_delete(acb->bh); - qemu_aio_release(acb); - - /* Invoke callback */ - cb(user_opaque, ret); - - /* Signal cancel completion */ - if (finished) { - *finished = true; - } -} - -static void qed_aio_complete(QEDAIOCB *acb, int ret) -{ - BDRVQEDState *s = acb_to_s(acb); - - trace_qed_aio_complete(s, acb, ret); - - /* Free resources */ - qemu_iovec_destroy(&acb->cur_qiov); - qed_unref_l2_cache_entry(acb->request.l2_table); - - /* Free the buffer we may have allocated for zero writes */ - if (acb->flags & QED_AIOCB_ZERO) { - qemu_vfree(acb->qiov->iov[0].iov_base); - acb->qiov->iov[0].iov_base = NULL; - } - - /* Arrange for a bh to invoke the completion function */ - acb->bh_ret = ret; - acb->bh = qemu_bh_new(qed_aio_complete_bh, acb); - qemu_bh_schedule(acb->bh); - - /* Start next allocating write request waiting behind this one. Note that - * requests enqueue themselves when they first hit an unallocated cluster - * but they wait until the entire request is finished before waking up the - * next request in the queue. This ensures that we don't cycle through - * requests multiple times but rather finish one at a time completely. - */ - if (acb == QSIMPLEQ_FIRST(&s->allocating_write_reqs)) { - QSIMPLEQ_REMOVE_HEAD(&s->allocating_write_reqs, next); - acb = QSIMPLEQ_FIRST(&s->allocating_write_reqs); - if (acb) { - qed_aio_next_io(acb, 0); - } else if (s->header.features & QED_F_NEED_CHECK) { - qed_start_need_check_timer(s); - } - } -} - -/** - * Commit the current L2 table to the cache - */ -static void qed_commit_l2_update(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - CachedL2Table *l2_table = acb->request.l2_table; - uint64_t l2_offset = l2_table->offset; - - qed_commit_l2_cache_entry(&s->l2_cache, l2_table); - - /* This is guaranteed to succeed because we just committed the entry to the - * cache. - */ - acb->request.l2_table = qed_find_l2_cache_entry(&s->l2_cache, l2_offset); - assert(acb->request.l2_table != NULL); - - qed_aio_next_io(opaque, ret); -} - -/** - * Update L1 table with new L2 table offset and write it out - */ -static void qed_aio_write_l1_update(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - int index; - - if (ret) { - qed_aio_complete(acb, ret); - return; - } - - index = qed_l1_index(s, acb->cur_pos); - s->l1_table->offsets[index] = acb->request.l2_table->offset; - - qed_write_l1_table(s, index, 1, qed_commit_l2_update, acb); -} - -/** - * Update L2 table with new cluster offsets and write them out - */ -static void qed_aio_write_l2_update(QEDAIOCB *acb, int ret, uint64_t offset) -{ - BDRVQEDState *s = acb_to_s(acb); - bool need_alloc = acb->find_cluster_ret == QED_CLUSTER_L1; - int index; - - if (ret) { - goto err; - } - - if (need_alloc) { - qed_unref_l2_cache_entry(acb->request.l2_table); - acb->request.l2_table = qed_new_l2_table(s); - } - - index = qed_l2_index(s, acb->cur_pos); - qed_update_l2_table(s, acb->request.l2_table->table, index, acb->cur_nclusters, - offset); - - if (need_alloc) { - /* Write out the whole new L2 table */ - qed_write_l2_table(s, &acb->request, 0, s->table_nelems, true, - qed_aio_write_l1_update, acb); - } else { - /* Write out only the updated part of the L2 table */ - qed_write_l2_table(s, &acb->request, index, acb->cur_nclusters, false, - qed_aio_next_io, acb); - } - return; - -err: - qed_aio_complete(acb, ret); -} - -static void qed_aio_write_l2_update_cb(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - qed_aio_write_l2_update(acb, ret, acb->cur_cluster); -} - -/** - * Flush new data clusters before updating the L2 table - * - * This flush is necessary when a backing file is in use. A crash during an - * allocating write could result in empty clusters in the image. If the write - * only touched a subregion of the cluster, then backing image sectors have - * been lost in the untouched region. The solution is to flush after writing a - * new data cluster and before updating the L2 table. - */ -static void qed_aio_write_flush_before_l2_update(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - - if (!bdrv_aio_flush(s->bs->file, qed_aio_write_l2_update_cb, opaque)) { - qed_aio_complete(acb, -EIO); - } -} - -/** - * Write data to the image file - */ -static void qed_aio_write_main(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - uint64_t offset = acb->cur_cluster + - qed_offset_into_cluster(s, acb->cur_pos); - BlockDriverCompletionFunc *next_fn; - - trace_qed_aio_write_main(s, acb, ret, offset, acb->cur_qiov.size); - - if (ret) { - qed_aio_complete(acb, ret); - return; - } - - if (acb->find_cluster_ret == QED_CLUSTER_FOUND) { - next_fn = qed_aio_next_io; - } else { - if (s->bs->backing_hd) { - next_fn = qed_aio_write_flush_before_l2_update; - } else { - next_fn = qed_aio_write_l2_update_cb; - } - } - - BLKDBG_EVENT(s->bs->file, BLKDBG_WRITE_AIO); - bdrv_aio_writev(s->bs->file, offset / BDRV_SECTOR_SIZE, - &acb->cur_qiov, acb->cur_qiov.size / BDRV_SECTOR_SIZE, - next_fn, acb); -} - -/** - * Populate back untouched region of new data cluster - */ -static void qed_aio_write_postfill(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - uint64_t start = acb->cur_pos + acb->cur_qiov.size; - uint64_t len = - qed_start_of_cluster(s, start + s->header.cluster_size - 1) - start; - uint64_t offset = acb->cur_cluster + - qed_offset_into_cluster(s, acb->cur_pos) + - acb->cur_qiov.size; - - if (ret) { - qed_aio_complete(acb, ret); - return; - } - - trace_qed_aio_write_postfill(s, acb, start, len, offset); - qed_copy_from_backing_file(s, start, len, offset, - qed_aio_write_main, acb); -} - -/** - * Populate front untouched region of new data cluster - */ -static void qed_aio_write_prefill(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - uint64_t start = qed_start_of_cluster(s, acb->cur_pos); - uint64_t len = qed_offset_into_cluster(s, acb->cur_pos); - - trace_qed_aio_write_prefill(s, acb, start, len, acb->cur_cluster); - qed_copy_from_backing_file(s, start, len, acb->cur_cluster, - qed_aio_write_postfill, acb); -} - -/** - * Check if the QED_F_NEED_CHECK bit should be set during allocating write - */ -static bool qed_should_set_need_check(BDRVQEDState *s) -{ - /* The flush before L2 update path ensures consistency */ - if (s->bs->backing_hd) { - return false; - } - - return !(s->header.features & QED_F_NEED_CHECK); -} - -static void qed_aio_write_zero_cluster(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - - if (ret) { - qed_aio_complete(acb, ret); - return; - } - - qed_aio_write_l2_update(acb, 0, 1); -} - -/** - * Write new data cluster - * - * @acb: Write request - * @len: Length in bytes - * - * This path is taken when writing to previously unallocated clusters. - */ -static void qed_aio_write_alloc(QEDAIOCB *acb, size_t len) -{ - BDRVQEDState *s = acb_to_s(acb); - BlockDriverCompletionFunc *cb; - - /* Cancel timer when the first allocating request comes in */ - if (QSIMPLEQ_EMPTY(&s->allocating_write_reqs)) { - qed_cancel_need_check_timer(s); - } - - /* Freeze this request if another allocating write is in progress */ - if (acb != QSIMPLEQ_FIRST(&s->allocating_write_reqs)) { - QSIMPLEQ_INSERT_TAIL(&s->allocating_write_reqs, acb, next); - } - if (acb != QSIMPLEQ_FIRST(&s->allocating_write_reqs) || - s->allocating_write_reqs_plugged) { - return; /* wait for existing request to finish */ - } - - acb->cur_nclusters = qed_bytes_to_clusters(s, - qed_offset_into_cluster(s, acb->cur_pos) + len); - qemu_iovec_concat(&acb->cur_qiov, acb->qiov, acb->qiov_offset, len); - - if (acb->flags & QED_AIOCB_ZERO) { - /* Skip ahead if the clusters are already zero */ - if (acb->find_cluster_ret == QED_CLUSTER_ZERO) { - qed_aio_next_io(acb, 0); - return; - } - - cb = qed_aio_write_zero_cluster; - } else { - cb = qed_aio_write_prefill; - acb->cur_cluster = qed_alloc_clusters(s, acb->cur_nclusters); - } - - if (qed_should_set_need_check(s)) { - s->header.features |= QED_F_NEED_CHECK; - qed_write_header(s, cb, acb); - } else { - cb(acb, 0); - } -} - -/** - * Write data cluster in place - * - * @acb: Write request - * @offset: Cluster offset in bytes - * @len: Length in bytes - * - * This path is taken when writing to already allocated clusters. - */ -static void qed_aio_write_inplace(QEDAIOCB *acb, uint64_t offset, size_t len) -{ - /* Allocate buffer for zero writes */ - if (acb->flags & QED_AIOCB_ZERO) { - struct iovec *iov = acb->qiov->iov; - - if (!iov->iov_base) { - iov->iov_base = qemu_blockalign(acb->common.bs, iov->iov_len); - memset(iov->iov_base, 0, iov->iov_len); - } - } - - /* Calculate the I/O vector */ - acb->cur_cluster = offset; - qemu_iovec_concat(&acb->cur_qiov, acb->qiov, acb->qiov_offset, len); - - /* Do the actual write */ - qed_aio_write_main(acb, 0); -} - -/** - * Write data cluster - * - * @opaque: Write request - * @ret: QED_CLUSTER_FOUND, QED_CLUSTER_L2, QED_CLUSTER_L1, - * or -errno - * @offset: Cluster offset in bytes - * @len: Length in bytes - * - * Callback from qed_find_cluster(). - */ -static void qed_aio_write_data(void *opaque, int ret, - uint64_t offset, size_t len) -{ - QEDAIOCB *acb = opaque; - - trace_qed_aio_write_data(acb_to_s(acb), acb, ret, offset, len); - - acb->find_cluster_ret = ret; - - switch (ret) { - case QED_CLUSTER_FOUND: - qed_aio_write_inplace(acb, offset, len); - break; - - case QED_CLUSTER_L2: - case QED_CLUSTER_L1: - case QED_CLUSTER_ZERO: - qed_aio_write_alloc(acb, len); - break; - - default: - qed_aio_complete(acb, ret); - break; - } -} - -/** - * Read data cluster - * - * @opaque: Read request - * @ret: QED_CLUSTER_FOUND, QED_CLUSTER_L2, QED_CLUSTER_L1, - * or -errno - * @offset: Cluster offset in bytes - * @len: Length in bytes - * - * Callback from qed_find_cluster(). - */ -static void qed_aio_read_data(void *opaque, int ret, - uint64_t offset, size_t len) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - BlockDriverState *bs = acb->common.bs; - - /* Adjust offset into cluster */ - offset += qed_offset_into_cluster(s, acb->cur_pos); - - trace_qed_aio_read_data(s, acb, ret, offset, len); - - if (ret < 0) { - goto err; - } - - qemu_iovec_concat(&acb->cur_qiov, acb->qiov, acb->qiov_offset, len); - - /* Handle zero cluster and backing file reads */ - if (ret == QED_CLUSTER_ZERO) { - qemu_iovec_memset(&acb->cur_qiov, 0, 0, acb->cur_qiov.size); - qed_aio_next_io(acb, 0); - return; - } else if (ret != QED_CLUSTER_FOUND) { - qed_read_backing_file(s, acb->cur_pos, &acb->cur_qiov, - qed_aio_next_io, acb); - return; - } - - BLKDBG_EVENT(bs->file, BLKDBG_READ_AIO); - bdrv_aio_readv(bs->file, offset / BDRV_SECTOR_SIZE, - &acb->cur_qiov, acb->cur_qiov.size / BDRV_SECTOR_SIZE, - qed_aio_next_io, acb); - return; - -err: - qed_aio_complete(acb, ret); -} - -/** - * Begin next I/O or complete the request - */ -static void qed_aio_next_io(void *opaque, int ret) -{ - QEDAIOCB *acb = opaque; - BDRVQEDState *s = acb_to_s(acb); - QEDFindClusterFunc *io_fn = (acb->flags & QED_AIOCB_WRITE) ? - qed_aio_write_data : qed_aio_read_data; - - trace_qed_aio_next_io(s, acb, ret, acb->cur_pos + acb->cur_qiov.size); - - /* Handle I/O error */ - if (ret) { - qed_aio_complete(acb, ret); - return; - } - - acb->qiov_offset += acb->cur_qiov.size; - acb->cur_pos += acb->cur_qiov.size; - qemu_iovec_reset(&acb->cur_qiov); - - /* Complete request */ - if (acb->cur_pos >= acb->end_pos) { - qed_aio_complete(acb, 0); - return; - } - - /* Find next cluster and start I/O */ - qed_find_cluster(s, &acb->request, - acb->cur_pos, acb->end_pos - acb->cur_pos, - io_fn, acb); -} - -static BlockDriverAIOCB *qed_aio_setup(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, int flags) -{ - QEDAIOCB *acb = qemu_aio_get(&qed_aiocb_info, bs, cb, opaque); - - trace_qed_aio_setup(bs->opaque, acb, sector_num, nb_sectors, - opaque, flags); - - acb->flags = flags; - acb->finished = NULL; - acb->qiov = qiov; - acb->qiov_offset = 0; - acb->cur_pos = (uint64_t)sector_num * BDRV_SECTOR_SIZE; - acb->end_pos = acb->cur_pos + nb_sectors * BDRV_SECTOR_SIZE; - acb->request.l2_table = NULL; - qemu_iovec_init(&acb->cur_qiov, qiov->niov); - - /* Start request */ - qed_aio_next_io(acb, 0); - return &acb->common; -} - -static BlockDriverAIOCB *bdrv_qed_aio_readv(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) -{ - return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb, opaque, 0); -} - -static BlockDriverAIOCB *bdrv_qed_aio_writev(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) -{ - return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb, - opaque, QED_AIOCB_WRITE); -} - -typedef struct { - Coroutine *co; - int ret; - bool done; -} QEDWriteZeroesCB; - -static void coroutine_fn qed_co_write_zeroes_cb(void *opaque, int ret) -{ - QEDWriteZeroesCB *cb = opaque; - - cb->done = true; - cb->ret = ret; - if (cb->co) { - qemu_coroutine_enter(cb->co, NULL); - } -} - -static int coroutine_fn bdrv_qed_co_write_zeroes(BlockDriverState *bs, - int64_t sector_num, - int nb_sectors) -{ - BlockDriverAIOCB *blockacb; - BDRVQEDState *s = bs->opaque; - QEDWriteZeroesCB cb = { .done = false }; - QEMUIOVector qiov; - struct iovec iov; - - /* Refuse if there are untouched backing file sectors */ - if (bs->backing_hd) { - if (qed_offset_into_cluster(s, sector_num * BDRV_SECTOR_SIZE) != 0) { - return -ENOTSUP; - } - if (qed_offset_into_cluster(s, nb_sectors * BDRV_SECTOR_SIZE) != 0) { - return -ENOTSUP; - } - } - - /* Zero writes start without an I/O buffer. If a buffer becomes necessary - * then it will be allocated during request processing. - */ - iov.iov_base = NULL, - iov.iov_len = nb_sectors * BDRV_SECTOR_SIZE, - - qemu_iovec_init_external(&qiov, &iov, 1); - blockacb = qed_aio_setup(bs, sector_num, &qiov, nb_sectors, - qed_co_write_zeroes_cb, &cb, - QED_AIOCB_WRITE | QED_AIOCB_ZERO); - if (!blockacb) { - return -EIO; - } - if (!cb.done) { - cb.co = qemu_coroutine_self(); - qemu_coroutine_yield(); - } - assert(cb.done); - return cb.ret; -} - -static int bdrv_qed_truncate(BlockDriverState *bs, int64_t offset) -{ - BDRVQEDState *s = bs->opaque; - uint64_t old_image_size; - int ret; - - if (!qed_is_image_size_valid(offset, s->header.cluster_size, - s->header.table_size)) { - return -EINVAL; - } - - /* Shrinking is currently not supported */ - if ((uint64_t)offset < s->header.image_size) { - return -ENOTSUP; - } - - old_image_size = s->header.image_size; - s->header.image_size = offset; - ret = qed_write_header_sync(s); - if (ret < 0) { - s->header.image_size = old_image_size; - } - return ret; -} - -static int64_t bdrv_qed_getlength(BlockDriverState *bs) -{ - BDRVQEDState *s = bs->opaque; - return s->header.image_size; -} - -static int bdrv_qed_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) -{ - BDRVQEDState *s = bs->opaque; - - memset(bdi, 0, sizeof(*bdi)); - bdi->cluster_size = s->header.cluster_size; - bdi->is_dirty = s->header.features & QED_F_NEED_CHECK; - return 0; -} - -static int bdrv_qed_change_backing_file(BlockDriverState *bs, - const char *backing_file, - const char *backing_fmt) -{ - BDRVQEDState *s = bs->opaque; - QEDHeader new_header, le_header; - void *buffer; - size_t buffer_len, backing_file_len; - int ret; - - /* Refuse to set backing filename if unknown compat feature bits are - * active. If the image uses an unknown compat feature then we may not - * know the layout of data following the header structure and cannot safely - * add a new string. - */ - if (backing_file && (s->header.compat_features & - ~QED_COMPAT_FEATURE_MASK)) { - return -ENOTSUP; - } - - memcpy(&new_header, &s->header, sizeof(new_header)); - - new_header.features &= ~(QED_F_BACKING_FILE | - QED_F_BACKING_FORMAT_NO_PROBE); - - /* Adjust feature flags */ - if (backing_file) { - new_header.features |= QED_F_BACKING_FILE; - - if (qed_fmt_is_raw(backing_fmt)) { - new_header.features |= QED_F_BACKING_FORMAT_NO_PROBE; - } - } - - /* Calculate new header size */ - backing_file_len = 0; - - if (backing_file) { - backing_file_len = strlen(backing_file); - } - - buffer_len = sizeof(new_header); - new_header.backing_filename_offset = buffer_len; - new_header.backing_filename_size = backing_file_len; - buffer_len += backing_file_len; - - /* Make sure we can rewrite header without failing */ - if (buffer_len > new_header.header_size * new_header.cluster_size) { - return -ENOSPC; - } - - /* Prepare new header */ - buffer = g_malloc(buffer_len); - - qed_header_cpu_to_le(&new_header, &le_header); - memcpy(buffer, &le_header, sizeof(le_header)); - buffer_len = sizeof(le_header); - - if (backing_file) { - memcpy(buffer + buffer_len, backing_file, backing_file_len); - buffer_len += backing_file_len; - } - - /* Write new header */ - ret = bdrv_pwrite_sync(bs->file, 0, buffer, buffer_len); - g_free(buffer); - if (ret == 0) { - memcpy(&s->header, &new_header, sizeof(new_header)); - } - return ret; -} - -static void bdrv_qed_invalidate_cache(BlockDriverState *bs) -{ - BDRVQEDState *s = bs->opaque; - - bdrv_qed_close(bs); - memset(s, 0, sizeof(BDRVQEDState)); - bdrv_qed_open(bs, NULL, bs->open_flags); -} - -static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result, - BdrvCheckMode fix) -{ - BDRVQEDState *s = bs->opaque; - - return qed_check(s, result, !!fix); -} - -static QEMUOptionParameter qed_create_options[] = { - { - .name = BLOCK_OPT_SIZE, - .type = OPT_SIZE, - .help = "Virtual disk size (in bytes)" - }, { - .name = BLOCK_OPT_BACKING_FILE, - .type = OPT_STRING, - .help = "File name of a base image" - }, { - .name = BLOCK_OPT_BACKING_FMT, - .type = OPT_STRING, - .help = "Image format of the base image" - }, { - .name = BLOCK_OPT_CLUSTER_SIZE, - .type = OPT_SIZE, - .help = "Cluster size (in bytes)", - .value = { .n = QED_DEFAULT_CLUSTER_SIZE }, - }, { - .name = BLOCK_OPT_TABLE_SIZE, - .type = OPT_SIZE, - .help = "L1/L2 table size (in clusters)" - }, - { /* end of list */ } -}; - -static BlockDriver bdrv_qed = { - .format_name = "qed", - .instance_size = sizeof(BDRVQEDState), - .create_options = qed_create_options, - - .bdrv_probe = bdrv_qed_probe, - .bdrv_rebind = bdrv_qed_rebind, - .bdrv_open = bdrv_qed_open, - .bdrv_close = bdrv_qed_close, - .bdrv_reopen_prepare = bdrv_qed_reopen_prepare, - .bdrv_create = bdrv_qed_create, - .bdrv_has_zero_init = bdrv_has_zero_init_1, - .bdrv_co_is_allocated = bdrv_qed_co_is_allocated, - .bdrv_make_empty = bdrv_qed_make_empty, - .bdrv_aio_readv = bdrv_qed_aio_readv, - .bdrv_aio_writev = bdrv_qed_aio_writev, - .bdrv_co_write_zeroes = bdrv_qed_co_write_zeroes, - .bdrv_truncate = bdrv_qed_truncate, - .bdrv_getlength = bdrv_qed_getlength, - .bdrv_get_info = bdrv_qed_get_info, - .bdrv_change_backing_file = bdrv_qed_change_backing_file, - .bdrv_invalidate_cache = bdrv_qed_invalidate_cache, - .bdrv_check = bdrv_qed_check, -}; - -static void bdrv_qed_init(void) -{ - bdrv_register(&bdrv_qed); -} - -block_init(bdrv_qed_init); diff --git a/contrib/qemu/block/qed.h b/contrib/qemu/block/qed.h deleted file mode 100644 index 2b4ddedf313..00000000000 --- a/contrib/qemu/block/qed.h +++ /dev/null @@ -1,344 +0,0 @@ -/* - * QEMU Enhanced Disk Format - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef BLOCK_QED_H -#define BLOCK_QED_H - -#include "block/block_int.h" - -/* The layout of a QED file is as follows: - * - * +--------+----------+----------+----------+-----+ - * | header | L1 table | cluster0 | cluster1 | ... | - * +--------+----------+----------+----------+-----+ - * - * There is a 2-level pagetable for cluster allocation: - * - * +----------+ - * | L1 table | - * +----------+ - * ,------' | '------. - * +----------+ | +----------+ - * | L2 table | ... | L2 table | - * +----------+ +----------+ - * ,------' | '------. - * +----------+ | +----------+ - * | Data | ... | Data | - * +----------+ +----------+ - * - * The L1 table is fixed size and always present. L2 tables are allocated on - * demand. The L1 table size determines the maximum possible image size; it - * can be influenced using the cluster_size and table_size values. - * - * All fields are little-endian on disk. - */ - -enum { - QED_MAGIC = 'Q' | 'E' << 8 | 'D' << 16 | '\0' << 24, - - /* The image supports a backing file */ - QED_F_BACKING_FILE = 0x01, - - /* The image needs a consistency check before use */ - QED_F_NEED_CHECK = 0x02, - - /* The backing file format must not be probed, treat as raw image */ - QED_F_BACKING_FORMAT_NO_PROBE = 0x04, - - /* Feature bits must be used when the on-disk format changes */ - QED_FEATURE_MASK = QED_F_BACKING_FILE | /* supported feature bits */ - QED_F_NEED_CHECK | - QED_F_BACKING_FORMAT_NO_PROBE, - QED_COMPAT_FEATURE_MASK = 0, /* supported compat feature bits */ - QED_AUTOCLEAR_FEATURE_MASK = 0, /* supported autoclear feature bits */ - - /* Data is stored in groups of sectors called clusters. Cluster size must - * be large to avoid keeping too much metadata. I/O requests that have - * sub-cluster size will require read-modify-write. - */ - QED_MIN_CLUSTER_SIZE = 4 * 1024, /* in bytes */ - QED_MAX_CLUSTER_SIZE = 64 * 1024 * 1024, - QED_DEFAULT_CLUSTER_SIZE = 64 * 1024, - - /* Allocated clusters are tracked using a 2-level pagetable. Table size is - * a multiple of clusters so large maximum image sizes can be supported - * without jacking up the cluster size too much. - */ - QED_MIN_TABLE_SIZE = 1, /* in clusters */ - QED_MAX_TABLE_SIZE = 16, - QED_DEFAULT_TABLE_SIZE = 4, - - /* Delay to flush and clean image after last allocating write completes */ - QED_NEED_CHECK_TIMEOUT = 5, /* in seconds */ -}; - -typedef struct { - uint32_t magic; /* QED\0 */ - - uint32_t cluster_size; /* in bytes */ - uint32_t table_size; /* for L1 and L2 tables, in clusters */ - uint32_t header_size; /* in clusters */ - - uint64_t features; /* format feature bits */ - uint64_t compat_features; /* compatible feature bits */ - uint64_t autoclear_features; /* self-resetting feature bits */ - - uint64_t l1_table_offset; /* in bytes */ - uint64_t image_size; /* total logical image size, in bytes */ - - /* if (features & QED_F_BACKING_FILE) */ - uint32_t backing_filename_offset; /* in bytes from start of header */ - uint32_t backing_filename_size; /* in bytes */ -} QEDHeader; - -typedef struct { - uint64_t offsets[0]; /* in bytes */ -} QEDTable; - -/* The L2 cache is a simple write-through cache for L2 structures */ -typedef struct CachedL2Table { - QEDTable *table; - uint64_t offset; /* offset=0 indicates an invalidate entry */ - QTAILQ_ENTRY(CachedL2Table) node; - int ref; -} CachedL2Table; - -typedef struct { - QTAILQ_HEAD(, CachedL2Table) entries; - unsigned int n_entries; -} L2TableCache; - -typedef struct QEDRequest { - CachedL2Table *l2_table; -} QEDRequest; - -enum { - QED_AIOCB_WRITE = 0x0001, /* read or write? */ - QED_AIOCB_ZERO = 0x0002, /* zero write, used with QED_AIOCB_WRITE */ -}; - -typedef struct QEDAIOCB { - BlockDriverAIOCB common; - QEMUBH *bh; - int bh_ret; /* final return status for completion bh */ - QSIMPLEQ_ENTRY(QEDAIOCB) next; /* next request */ - int flags; /* QED_AIOCB_* bits ORed together */ - bool *finished; /* signal for cancel completion */ - uint64_t end_pos; /* request end on block device, in bytes */ - - /* User scatter-gather list */ - QEMUIOVector *qiov; - size_t qiov_offset; /* byte count already processed */ - - /* Current cluster scatter-gather list */ - QEMUIOVector cur_qiov; - uint64_t cur_pos; /* position on block device, in bytes */ - uint64_t cur_cluster; /* cluster offset in image file */ - unsigned int cur_nclusters; /* number of clusters being accessed */ - int find_cluster_ret; /* used for L1/L2 update */ - - QEDRequest request; -} QEDAIOCB; - -typedef struct { - BlockDriverState *bs; /* device */ - uint64_t file_size; /* length of image file, in bytes */ - - QEDHeader header; /* always cpu-endian */ - QEDTable *l1_table; - L2TableCache l2_cache; /* l2 table cache */ - uint32_t table_nelems; - uint32_t l1_shift; - uint32_t l2_shift; - uint32_t l2_mask; - - /* Allocating write request queue */ - QSIMPLEQ_HEAD(, QEDAIOCB) allocating_write_reqs; - bool allocating_write_reqs_plugged; - - /* Periodic flush and clear need check flag */ - QEMUTimer *need_check_timer; -} BDRVQEDState; - -enum { - QED_CLUSTER_FOUND, /* cluster found */ - QED_CLUSTER_ZERO, /* zero cluster found */ - QED_CLUSTER_L2, /* cluster missing in L2 */ - QED_CLUSTER_L1, /* cluster missing in L1 */ -}; - -/** - * qed_find_cluster() completion callback - * - * @opaque: User data for completion callback - * @ret: QED_CLUSTER_FOUND Success - * QED_CLUSTER_L2 Data cluster unallocated in L2 - * QED_CLUSTER_L1 L2 unallocated in L1 - * -errno POSIX error occurred - * @offset: Data cluster offset - * @len: Contiguous bytes starting from cluster offset - * - * This function is invoked when qed_find_cluster() completes. - * - * On success ret is QED_CLUSTER_FOUND and offset/len are a contiguous range - * in the image file. - * - * On failure ret is QED_CLUSTER_L2 or QED_CLUSTER_L1 for missing L2 or L1 - * table offset, respectively. len is number of contiguous unallocated bytes. - */ -typedef void QEDFindClusterFunc(void *opaque, int ret, uint64_t offset, size_t len); - -/** - * Generic callback for chaining async callbacks - */ -typedef struct { - BlockDriverCompletionFunc *cb; - void *opaque; -} GenericCB; - -void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque); -void gencb_complete(void *opaque, int ret); - -/** - * Header functions - */ -int qed_write_header_sync(BDRVQEDState *s); - -/** - * L2 cache functions - */ -void qed_init_l2_cache(L2TableCache *l2_cache); -void qed_free_l2_cache(L2TableCache *l2_cache); -CachedL2Table *qed_alloc_l2_cache_entry(L2TableCache *l2_cache); -void qed_unref_l2_cache_entry(CachedL2Table *entry); -CachedL2Table *qed_find_l2_cache_entry(L2TableCache *l2_cache, uint64_t offset); -void qed_commit_l2_cache_entry(L2TableCache *l2_cache, CachedL2Table *l2_table); - -/** - * Table I/O functions - */ -int qed_read_l1_table_sync(BDRVQEDState *s); -void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n, - BlockDriverCompletionFunc *cb, void *opaque); -int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index, - unsigned int n); -int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, - uint64_t offset); -void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset, - BlockDriverCompletionFunc *cb, void *opaque); -void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request, - unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque); -int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request, - unsigned int index, unsigned int n, bool flush); - -/** - * Cluster functions - */ -void qed_find_cluster(BDRVQEDState *s, QEDRequest *request, uint64_t pos, - size_t len, QEDFindClusterFunc *cb, void *opaque); - -/** - * Consistency check - */ -int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix); - -QEDTable *qed_alloc_table(BDRVQEDState *s); - -/** - * Round down to the start of a cluster - */ -static inline uint64_t qed_start_of_cluster(BDRVQEDState *s, uint64_t offset) -{ - return offset & ~(uint64_t)(s->header.cluster_size - 1); -} - -static inline uint64_t qed_offset_into_cluster(BDRVQEDState *s, uint64_t offset) -{ - return offset & (s->header.cluster_size - 1); -} - -static inline uint64_t qed_bytes_to_clusters(BDRVQEDState *s, uint64_t bytes) -{ - return qed_start_of_cluster(s, bytes + (s->header.cluster_size - 1)) / - (s->header.cluster_size - 1); -} - -static inline unsigned int qed_l1_index(BDRVQEDState *s, uint64_t pos) -{ - return pos >> s->l1_shift; -} - -static inline unsigned int qed_l2_index(BDRVQEDState *s, uint64_t pos) -{ - return (pos >> s->l2_shift) & s->l2_mask; -} - -/** - * Test if a cluster offset is valid - */ -static inline bool qed_check_cluster_offset(BDRVQEDState *s, uint64_t offset) -{ - uint64_t header_size = (uint64_t)s->header.header_size * - s->header.cluster_size; - - if (offset & (s->header.cluster_size - 1)) { - return false; - } - return offset >= header_size && offset < s->file_size; -} - -/** - * Test if a table offset is valid - */ -static inline bool qed_check_table_offset(BDRVQEDState *s, uint64_t offset) -{ - uint64_t end_offset = offset + (s->header.table_size - 1) * - s->header.cluster_size; - - /* Overflow check */ - if (end_offset <= offset) { - return false; - } - - return qed_check_cluster_offset(s, offset) && - qed_check_cluster_offset(s, end_offset); -} - -static inline bool qed_offset_is_cluster_aligned(BDRVQEDState *s, - uint64_t offset) -{ - if (qed_offset_into_cluster(s, offset)) { - return false; - } - return true; -} - -static inline bool qed_offset_is_unalloc_cluster(uint64_t offset) -{ - if (offset == 0) { - return true; - } - return false; -} - -static inline bool qed_offset_is_zero_cluster(uint64_t offset) -{ - if (offset == 1) { - return true; - } - return false; -} - -#endif /* BLOCK_QED_H */ diff --git a/contrib/qemu/block/snapshot.c b/contrib/qemu/block/snapshot.c deleted file mode 100644 index 6c6d9deea1f..00000000000 --- a/contrib/qemu/block/snapshot.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Block layer snapshot related functions - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "block/snapshot.h" -#include "block/block_int.h" - -int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, - const char *name) -{ - QEMUSnapshotInfo *sn_tab, *sn; - int nb_sns, i, ret; - - ret = -ENOENT; - nb_sns = bdrv_snapshot_list(bs, &sn_tab); - if (nb_sns < 0) { - return ret; - } - for (i = 0; i < nb_sns; i++) { - sn = &sn_tab[i]; - if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { - *sn_info = *sn; - ret = 0; - break; - } - } - g_free(sn_tab); - return ret; -} - -int bdrv_can_snapshot(BlockDriverState *bs) -{ - BlockDriver *drv = bs->drv; - if (!drv || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) { - return 0; - } - - if (!drv->bdrv_snapshot_create) { - if (bs->file != NULL) { - return bdrv_can_snapshot(bs->file); - } - return 0; - } - - return 1; -} - -int bdrv_snapshot_create(BlockDriverState *bs, - QEMUSnapshotInfo *sn_info) -{ - BlockDriver *drv = bs->drv; - if (!drv) { - return -ENOMEDIUM; - } - if (drv->bdrv_snapshot_create) { - return drv->bdrv_snapshot_create(bs, sn_info); - } - if (bs->file) { - return bdrv_snapshot_create(bs->file, sn_info); - } - return -ENOTSUP; -} - -int bdrv_snapshot_goto(BlockDriverState *bs, - const char *snapshot_id) -{ - BlockDriver *drv = bs->drv; - int ret, open_ret; - - if (!drv) { - return -ENOMEDIUM; - } - if (drv->bdrv_snapshot_goto) { - return drv->bdrv_snapshot_goto(bs, snapshot_id); - } - - if (bs->file) { - drv->bdrv_close(bs); - ret = bdrv_snapshot_goto(bs->file, snapshot_id); - open_ret = drv->bdrv_open(bs, NULL, bs->open_flags); - if (open_ret < 0) { - bdrv_delete(bs->file); - bs->drv = NULL; - return open_ret; - } - return ret; - } - - return -ENOTSUP; -} - -int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id) -{ - BlockDriver *drv = bs->drv; - if (!drv) { - return -ENOMEDIUM; - } - if (drv->bdrv_snapshot_delete) { - return drv->bdrv_snapshot_delete(bs, snapshot_id); - } - if (bs->file) { - return bdrv_snapshot_delete(bs->file, snapshot_id); - } - return -ENOTSUP; -} - -int bdrv_snapshot_list(BlockDriverState *bs, - QEMUSnapshotInfo **psn_info) -{ - BlockDriver *drv = bs->drv; - if (!drv) { - return -ENOMEDIUM; - } - if (drv->bdrv_snapshot_list) { - return drv->bdrv_snapshot_list(bs, psn_info); - } - if (bs->file) { - return bdrv_snapshot_list(bs->file, psn_info); - } - return -ENOTSUP; -} - -int bdrv_snapshot_load_tmp(BlockDriverState *bs, - const char *snapshot_name) -{ - BlockDriver *drv = bs->drv; - if (!drv) { - return -ENOMEDIUM; - } - if (!bs->read_only) { - return -EINVAL; - } - if (drv->bdrv_snapshot_load_tmp) { - return drv->bdrv_snapshot_load_tmp(bs, snapshot_name); - } - return -ENOTSUP; -} diff --git a/contrib/qemu/config-host.h b/contrib/qemu/config-host.h deleted file mode 100644 index 6b5c8da1243..00000000000 --- a/contrib/qemu/config-host.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Automatically generated by create_config - do not modify */ -#define CONFIG_QEMU_CONFDIR "/usr/local/etc/qemu" -#define CONFIG_QEMU_DATADIR "/usr/local/share/qemu" -#define CONFIG_QEMU_DOCDIR "/usr/local/share/doc/qemu" -#define CONFIG_QEMU_LOCALSTATEDIR "/usr/local/var" -#define CONFIG_QEMU_HELPERDIR "/usr/local/libexec" -#define CONFIG_QEMU_LOCALEDIR "/usr/local/share/locale" -#define HOST_X86_64 1 -#define CONFIG_QEMU_LDST_OPTIMIZATION 1 -#define CONFIG_POSIX 1 -#define CONFIG_LINUX 1 -#define CONFIG_SLIRP 1 -#define CONFIG_SMBD_COMMAND "/usr/sbin/smbd" -#define CONFIG_AUDIO_DRIVERS \ - &oss_audio_driver,\ - -#define CONFIG_OSS 1 -#define CONFIG_BDRV_RW_WHITELIST\ - NULL -#define CONFIG_BDRV_RO_WHITELIST\ - NULL -#define CONFIG_VNC 1 -#define CONFIG_VNC_TLS 1 -#define CONFIG_VNC_SASL 1 -#define CONFIG_VNC_WS 1 -#define CONFIG_FNMATCH 1 -#define CONFIG_UUID 1 -#define CONFIG_XFS 1 -#define QEMU_VERSION "1.5.50" -#define QEMU_PKGVERSION "" -#define CONFIG_CURSES 1 -#define CONFIG_UTIMENSAT 1 -#define CONFIG_PIPE2 1 -#define CONFIG_ACCEPT4 1 -#define CONFIG_SPLICE 1 -#define CONFIG_EVENTFD 1 -#define CONFIG_FALLOCATE 1 -#define CONFIG_FALLOCATE_PUNCH_HOLE 1 -#define CONFIG_SYNC_FILE_RANGE 1 -#define CONFIG_FIEMAP 1 -#define CONFIG_DUP3 1 -#define CONFIG_EPOLL 1 -#define CONFIG_EPOLL_CREATE1 1 -#define CONFIG_EPOLL_PWAIT 1 -#define CONFIG_SENDFILE 1 -#define CONFIG_INOTIFY 1 -#define CONFIG_INOTIFY1 1 -#define CONFIG_BYTESWAP_H 1 -#define CONFIG_CURL 1 -#define CONFIG_LINUX_AIO 1 -#define CONFIG_ATTR 1 -#define CONFIG_VHOST_SCSI 1 -#define CONFIG_IOVEC 1 -#define CONFIG_PREADV 1 -#define CONFIG_FDT 1 -#define CONFIG_SIGNALFD 1 -#define CONFIG_FDATASYNC 1 -#define CONFIG_MADVISE 1 -#define CONFIG_POSIX_MADVISE 1 -#define CONFIG_SIGEV_THREAD_ID 1 -#define CONFIG_UNAME_RELEASE "" -#define CONFIG_QOM_CAST_DEBUG 1 -#define CONFIG_COROUTINE_BACKEND ucontext -#define CONFIG_OPEN_BY_HANDLE 1 -#define CONFIG_LINUX_MAGIC_H 1 -#define CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE 1 -#define CONFIG_HAS_ENVIRON 1 -#define CONFIG_CPUID_H 1 -#define CONFIG_VIRTIO_BLK_DATA_PLANE $(CONFIG_VIRTIO) -#define CONFIG_TRACE_NOP 1 -#define CONFIG_TRACE_FILE trace -#define CONFIG_TRACE_DEFAULT 1 diff --git a/contrib/qemu/coroutine-ucontext.c b/contrib/qemu/coroutine-ucontext.c deleted file mode 100644 index 4bf2cde279b..00000000000 --- a/contrib/qemu/coroutine-ucontext.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * ucontext coroutine initialization code - * - * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> - * Copyright (C) 2011 Kevin Wolf <kwolf@redhat.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.0 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ - -/* XXX Is there a nicer way to disable glibc's stack check for longjmp? */ -#ifdef _FORTIFY_SOURCE -#undef _FORTIFY_SOURCE -#endif -#include <stdlib.h> -#include <setjmp.h> -#include <stdint.h> -#include <pthread.h> -#include <ucontext.h> -#include "qemu-common.h" -#include "block/coroutine_int.h" - -#ifdef CONFIG_VALGRIND_H -#include <valgrind/valgrind.h> -#endif - -typedef struct { - Coroutine base; - void *stack; - sigjmp_buf env; - -#ifdef CONFIG_VALGRIND_H - unsigned int valgrind_stack_id; -#endif - -} CoroutineUContext; - -/** - * Per-thread coroutine bookkeeping - */ -typedef struct { - /** Currently executing coroutine */ - Coroutine *current; - - /** The default coroutine */ - CoroutineUContext leader; -} CoroutineThreadState; - -static pthread_key_t thread_state_key; - -/* - * va_args to makecontext() must be type 'int', so passing - * the pointer we need may require several int args. This - * union is a quick hack to let us do that - */ -union cc_arg { - void *p; - int i[2]; -}; - -static CoroutineThreadState *coroutine_get_thread_state(void) -{ - CoroutineThreadState *s = pthread_getspecific(thread_state_key); - - if (!s) { - s = g_malloc0(sizeof(*s)); - s->current = &s->leader.base; - pthread_setspecific(thread_state_key, s); - } - return s; -} - -static void qemu_coroutine_thread_cleanup(void *opaque) -{ - CoroutineThreadState *s = opaque; - - g_free(s); -} - -static void __attribute__((constructor)) coroutine_init(void) -{ - int ret; - - ret = pthread_key_create(&thread_state_key, qemu_coroutine_thread_cleanup); - if (ret != 0) { - fprintf(stderr, "unable to create leader key: %s\n", strerror(errno)); - abort(); - } -} - -static void coroutine_trampoline(int i0, int i1) -{ - union cc_arg arg; - CoroutineUContext *self; - Coroutine *co; - - arg.i[0] = i0; - arg.i[1] = i1; - self = arg.p; - co = &self->base; - - /* Initialize longjmp environment and switch back the caller */ - if (!sigsetjmp(self->env, 0)) { - siglongjmp(*(sigjmp_buf *)co->entry_arg, 1); - } - - while (true) { - co->entry(co->entry_arg); - qemu_coroutine_switch(co, co->caller, COROUTINE_TERMINATE); - } -} - -Coroutine *qemu_coroutine_new(void) -{ - const size_t stack_size = 1 << 20; - CoroutineUContext *co; - ucontext_t old_uc, uc; - sigjmp_buf old_env; - union cc_arg arg = {0}; - - /* The ucontext functions preserve signal masks which incurs a - * system call overhead. sigsetjmp(buf, 0)/siglongjmp() does not - * preserve signal masks but only works on the current stack. - * Since we need a way to create and switch to a new stack, use - * the ucontext functions for that but sigsetjmp()/siglongjmp() for - * everything else. - */ - - if (getcontext(&uc) == -1) { - abort(); - } - - co = g_malloc0(sizeof(*co)); - co->stack = g_malloc(stack_size); - co->base.entry_arg = &old_env; /* stash away our jmp_buf */ - - uc.uc_link = &old_uc; - uc.uc_stack.ss_sp = co->stack; - uc.uc_stack.ss_size = stack_size; - uc.uc_stack.ss_flags = 0; - -#ifdef CONFIG_VALGRIND_H - co->valgrind_stack_id = - VALGRIND_STACK_REGISTER(co->stack, co->stack + stack_size); -#endif - - arg.p = co; - - makecontext(&uc, (void (*)(void))coroutine_trampoline, - 2, arg.i[0], arg.i[1]); - - /* swapcontext() in, siglongjmp() back out */ - if (!sigsetjmp(old_env, 0)) { - swapcontext(&old_uc, &uc); - } - return &co->base; -} - -#ifdef CONFIG_VALGRIND_H -#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE -/* Work around an unused variable in the valgrind.h macro... */ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-but-set-variable" -#endif -static inline void valgrind_stack_deregister(CoroutineUContext *co) -{ - VALGRIND_STACK_DEREGISTER(co->valgrind_stack_id); -} -#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE -#pragma GCC diagnostic pop -#endif -#endif - -void qemu_coroutine_delete(Coroutine *co_) -{ - CoroutineUContext *co = DO_UPCAST(CoroutineUContext, base, co_); - -#ifdef CONFIG_VALGRIND_H - valgrind_stack_deregister(co); -#endif - - g_free(co->stack); - g_free(co); -} - -CoroutineAction qemu_coroutine_switch(Coroutine *from_, Coroutine *to_, - CoroutineAction action) -{ - CoroutineUContext *from = DO_UPCAST(CoroutineUContext, base, from_); - CoroutineUContext *to = DO_UPCAST(CoroutineUContext, base, to_); - CoroutineThreadState *s = coroutine_get_thread_state(); - int ret; - - s->current = to_; - - ret = sigsetjmp(from->env, 0); - if (ret == 0) { - siglongjmp(to->env, action); - } - return ret; -} - -Coroutine *qemu_coroutine_self(void) -{ - CoroutineThreadState *s = coroutine_get_thread_state(); - - return s->current; -} - -bool qemu_in_coroutine(void) -{ - CoroutineThreadState *s = pthread_getspecific(thread_state_key); - - return s && s->current->caller; -} diff --git a/contrib/qemu/include/block/aio.h b/contrib/qemu/include/block/aio.h deleted file mode 100644 index 183679374fa..00000000000 --- a/contrib/qemu/include/block/aio.h +++ /dev/null @@ -1,247 +0,0 @@ -/* - * QEMU aio implementation - * - * Copyright IBM, Corp. 2008 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_AIO_H -#define QEMU_AIO_H - -#include "qemu-common.h" -#include "qemu/queue.h" -#include "qemu/event_notifier.h" - -typedef struct BlockDriverAIOCB BlockDriverAIOCB; -typedef void BlockDriverCompletionFunc(void *opaque, int ret); - -typedef struct AIOCBInfo { - void (*cancel)(BlockDriverAIOCB *acb); - size_t aiocb_size; -} AIOCBInfo; - -struct BlockDriverAIOCB { - const AIOCBInfo *aiocb_info; - BlockDriverState *bs; - BlockDriverCompletionFunc *cb; - void *opaque; -}; - -void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); -void qemu_aio_release(void *p); - -typedef struct AioHandler AioHandler; -typedef void QEMUBHFunc(void *opaque); -typedef void IOHandler(void *opaque); - -typedef struct AioContext { - GSource source; - - /* The list of registered AIO handlers */ - QLIST_HEAD(, AioHandler) aio_handlers; - - /* This is a simple lock used to protect the aio_handlers list. - * Specifically, it's used to ensure that no callbacks are removed while - * we're walking and dispatching callbacks. - */ - int walking_handlers; - - /* Anchor of the list of Bottom Halves belonging to the context */ - struct QEMUBH *first_bh; - - /* A simple lock used to protect the first_bh list, and ensure that - * no callbacks are removed while we're walking and dispatching callbacks. - */ - int walking_bh; - - /* Used for aio_notify. */ - EventNotifier notifier; - - /* GPollFDs for aio_poll() */ - GArray *pollfds; - - /* Thread pool for performing work and receiving completion callbacks */ - struct ThreadPool *thread_pool; -} AioContext; - -/* Returns 1 if there are still outstanding AIO requests; 0 otherwise */ -typedef int (AioFlushEventNotifierHandler)(EventNotifier *e); - -/** - * aio_context_new: Allocate a new AioContext. - * - * AioContext provide a mini event-loop that can be waited on synchronously. - * They also provide bottom halves, a service to execute a piece of code - * as soon as possible. - */ -AioContext *aio_context_new(void); - -/** - * aio_context_ref: - * @ctx: The AioContext to operate on. - * - * Add a reference to an AioContext. - */ -void aio_context_ref(AioContext *ctx); - -/** - * aio_context_unref: - * @ctx: The AioContext to operate on. - * - * Drop a reference to an AioContext. - */ -void aio_context_unref(AioContext *ctx); - -/** - * aio_bh_new: Allocate a new bottom half structure. - * - * Bottom halves are lightweight callbacks whose invocation is guaranteed - * to be wait-free, thread-safe and signal-safe. The #QEMUBH structure - * is opaque and must be allocated prior to its use. - */ -QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque); - -/** - * aio_notify: Force processing of pending events. - * - * Similar to signaling a condition variable, aio_notify forces - * aio_wait to exit, so that the next call will re-examine pending events. - * The caller of aio_notify will usually call aio_wait again very soon, - * or go through another iteration of the GLib main loop. Hence, aio_notify - * also has the side effect of recalculating the sets of file descriptors - * that the main loop waits for. - * - * Calling aio_notify is rarely necessary, because for example scheduling - * a bottom half calls it already. - */ -void aio_notify(AioContext *ctx); - -/** - * aio_bh_poll: Poll bottom halves for an AioContext. - * - * These are internal functions used by the QEMU main loop. - */ -int aio_bh_poll(AioContext *ctx); - -/** - * qemu_bh_schedule: Schedule a bottom half. - * - * Scheduling a bottom half interrupts the main loop and causes the - * execution of the callback that was passed to qemu_bh_new. - * - * Bottom halves that are scheduled from a bottom half handler are instantly - * invoked. This can create an infinite loop if a bottom half handler - * schedules itself. - * - * @bh: The bottom half to be scheduled. - */ -void qemu_bh_schedule(QEMUBH *bh); - -/** - * qemu_bh_cancel: Cancel execution of a bottom half. - * - * Canceling execution of a bottom half undoes the effect of calls to - * qemu_bh_schedule without freeing its resources yet. While cancellation - * itself is also wait-free and thread-safe, it can of course race with the - * loop that executes bottom halves unless you are holding the iothread - * mutex. This makes it mostly useless if you are not holding the mutex. - * - * @bh: The bottom half to be canceled. - */ -void qemu_bh_cancel(QEMUBH *bh); - -/** - *qemu_bh_delete: Cancel execution of a bottom half and free its resources. - * - * Deleting a bottom half frees the memory that was allocated for it by - * qemu_bh_new. It also implies canceling the bottom half if it was - * scheduled. - * - * @bh: The bottom half to be deleted. - */ -void qemu_bh_delete(QEMUBH *bh); - -/* Return whether there are any pending callbacks from the GSource - * attached to the AioContext. - * - * This is used internally in the implementation of the GSource. - */ -bool aio_pending(AioContext *ctx); - -/* Progress in completing AIO work to occur. This can issue new pending - * aio as a result of executing I/O completion or bh callbacks. - * - * If there is no pending AIO operation or completion (bottom half), - * return false. If there are pending AIO operations of bottom halves, - * return true. - * - * If there are no pending bottom halves, but there are pending AIO - * operations, it may not be possible to make any progress without - * blocking. If @blocking is true, this function will wait until one - * or more AIO events have completed, to ensure something has moved - * before returning. - */ -bool aio_poll(AioContext *ctx, bool blocking); - -#ifdef CONFIG_POSIX -/* Returns 1 if there are still outstanding AIO requests; 0 otherwise */ -typedef int (AioFlushHandler)(void *opaque); - -/* Register a file descriptor and associated callbacks. Behaves very similarly - * to qemu_set_fd_handler2. Unlike qemu_set_fd_handler2, these callbacks will - * be invoked when using qemu_aio_wait(). - * - * Code that invokes AIO completion functions should rely on this function - * instead of qemu_set_fd_handler[2]. - */ -void aio_set_fd_handler(AioContext *ctx, - int fd, - IOHandler *io_read, - IOHandler *io_write, - AioFlushHandler *io_flush, - void *opaque); -#endif - -/* Register an event notifier and associated callbacks. Behaves very similarly - * to event_notifier_set_handler. Unlike event_notifier_set_handler, these callbacks - * will be invoked when using qemu_aio_wait(). - * - * Code that invokes AIO completion functions should rely on this function - * instead of event_notifier_set_handler. - */ -void aio_set_event_notifier(AioContext *ctx, - EventNotifier *notifier, - EventNotifierHandler *io_read, - AioFlushEventNotifierHandler *io_flush); - -/* Return a GSource that lets the main loop poll the file descriptors attached - * to this AioContext. - */ -GSource *aio_get_g_source(AioContext *ctx); - -/* Return the ThreadPool bound to this AioContext */ -struct ThreadPool *aio_get_thread_pool(AioContext *ctx); - -/* Functions to operate on the main QEMU AioContext. */ - -bool qemu_aio_wait(void); -void qemu_aio_set_event_notifier(EventNotifier *notifier, - EventNotifierHandler *io_read, - AioFlushEventNotifierHandler *io_flush); - -#ifdef CONFIG_POSIX -void qemu_aio_set_fd_handler(int fd, - IOHandler *io_read, - IOHandler *io_write, - AioFlushHandler *io_flush, - void *opaque); -#endif - -#endif diff --git a/contrib/qemu/include/block/block.h b/contrib/qemu/include/block/block.h deleted file mode 100644 index b6b9014a9ce..00000000000 --- a/contrib/qemu/include/block/block.h +++ /dev/null @@ -1,443 +0,0 @@ -#ifndef BLOCK_H -#define BLOCK_H - -#include "block/aio.h" -#include "qemu-common.h" -#include "qemu/option.h" -#include "block/coroutine.h" -#include "qapi/qmp/qobject.h" -#include "qapi-types.h" - -/* block.c */ -typedef struct BlockDriver BlockDriver; -typedef struct BlockJob BlockJob; - -typedef struct BlockDriverInfo { - /* in bytes, 0 if irrelevant */ - int cluster_size; - /* offset at which the VM state can be saved (0 if not possible) */ - int64_t vm_state_offset; - bool is_dirty; -} BlockDriverInfo; - -typedef struct BlockFragInfo { - uint64_t allocated_clusters; - uint64_t total_clusters; - uint64_t fragmented_clusters; - uint64_t compressed_clusters; -} BlockFragInfo; - -/* Callbacks for block device models */ -typedef struct BlockDevOps { - /* - * Runs when virtual media changed (monitor commands eject, change) - * Argument load is true on load and false on eject. - * Beware: doesn't run when a host device's physical media - * changes. Sure would be useful if it did. - * Device models with removable media must implement this callback. - */ - void (*change_media_cb)(void *opaque, bool load); - /* - * Runs when an eject request is issued from the monitor, the tray - * is closed, and the medium is locked. - * Device models that do not implement is_medium_locked will not need - * this callback. Device models that can lock the medium or tray might - * want to implement the callback and unlock the tray when "force" is - * true, even if they do not support eject requests. - */ - void (*eject_request_cb)(void *opaque, bool force); - /* - * Is the virtual tray open? - * Device models implement this only when the device has a tray. - */ - bool (*is_tray_open)(void *opaque); - /* - * Is the virtual medium locked into the device? - * Device models implement this only when device has such a lock. - */ - bool (*is_medium_locked)(void *opaque); - /* - * Runs when the size changed (e.g. monitor command block_resize) - */ - void (*resize_cb)(void *opaque); -} BlockDevOps; - -#define BDRV_O_RDWR 0x0002 -#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */ -#define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */ -#define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */ -#define BDRV_O_NATIVE_AIO 0x0080 /* use native AIO instead of the thread pool */ -#define BDRV_O_NO_BACKING 0x0100 /* don't open the backing file */ -#define BDRV_O_NO_FLUSH 0x0200 /* disable flushing on this disk */ -#define BDRV_O_COPY_ON_READ 0x0400 /* copy read backing sectors into image */ -#define BDRV_O_INCOMING 0x0800 /* consistency hint for incoming migration */ -#define BDRV_O_CHECK 0x1000 /* open solely for consistency check */ -#define BDRV_O_ALLOW_RDWR 0x2000 /* allow reopen to change from r/o to r/w */ -#define BDRV_O_UNMAP 0x4000 /* execute guest UNMAP/TRIM operations */ - -#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH) - -#define BDRV_SECTOR_BITS 9 -#define BDRV_SECTOR_SIZE (1ULL << BDRV_SECTOR_BITS) -#define BDRV_SECTOR_MASK ~(BDRV_SECTOR_SIZE - 1) - -typedef enum { - BDRV_ACTION_REPORT, BDRV_ACTION_IGNORE, BDRV_ACTION_STOP -} BlockErrorAction; - -typedef QSIMPLEQ_HEAD(BlockReopenQueue, BlockReopenQueueEntry) BlockReopenQueue; - -typedef struct BDRVReopenState { - BlockDriverState *bs; - int flags; - void *opaque; -} BDRVReopenState; - - -void bdrv_iostatus_enable(BlockDriverState *bs); -void bdrv_iostatus_reset(BlockDriverState *bs); -void bdrv_iostatus_disable(BlockDriverState *bs); -bool bdrv_iostatus_is_enabled(const BlockDriverState *bs); -void bdrv_iostatus_set_err(BlockDriverState *bs, int error); -void bdrv_info_print(Monitor *mon, const QObject *data); -void bdrv_info(Monitor *mon, QObject **ret_data); -void bdrv_stats_print(Monitor *mon, const QObject *data); -void bdrv_info_stats(Monitor *mon, QObject **ret_data); - -/* disk I/O throttling */ -void bdrv_io_limits_enable(BlockDriverState *bs); -void bdrv_io_limits_disable(BlockDriverState *bs); -bool bdrv_io_limits_enabled(BlockDriverState *bs); - -void bdrv_init(void); -void bdrv_init_with_whitelist(void); -BlockDriver *bdrv_find_protocol(const char *filename, - bool allow_protocol_prefix); -BlockDriver *bdrv_find_format(const char *format_name); -BlockDriver *bdrv_find_whitelisted_format(const char *format_name, - bool readonly); -int bdrv_create(BlockDriver *drv, const char* filename, - QEMUOptionParameter *options); -int bdrv_create_file(const char* filename, QEMUOptionParameter *options); -BlockDriverState *bdrv_new(const char *device_name); -void bdrv_make_anon(BlockDriverState *bs); -void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old); -void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top); -void bdrv_delete(BlockDriverState *bs); -int bdrv_parse_cache_flags(const char *mode, int *flags); -int bdrv_parse_discard_flags(const char *mode, int *flags); -int bdrv_file_open(BlockDriverState **pbs, const char *filename, - QDict *options, int flags); -int bdrv_open_backing_file(BlockDriverState *bs, QDict *options); -int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options, - int flags, BlockDriver *drv); -BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, - BlockDriverState *bs, int flags); -int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp); -int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp); -int bdrv_reopen_prepare(BDRVReopenState *reopen_state, - BlockReopenQueue *queue, Error **errp); -void bdrv_reopen_commit(BDRVReopenState *reopen_state); -void bdrv_reopen_abort(BDRVReopenState *reopen_state); -void bdrv_close(BlockDriverState *bs); -void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify); -int bdrv_attach_dev(BlockDriverState *bs, void *dev); -void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev); -void bdrv_detach_dev(BlockDriverState *bs, void *dev); -void *bdrv_get_attached_dev(BlockDriverState *bs); -void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, - void *opaque); -void bdrv_dev_eject_request(BlockDriverState *bs, bool force); -bool bdrv_dev_has_removable_media(BlockDriverState *bs); -bool bdrv_dev_is_tray_open(BlockDriverState *bs); -bool bdrv_dev_is_medium_locked(BlockDriverState *bs); -int bdrv_read(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors); -int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors); -int bdrv_write(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); -int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov); -int bdrv_pread(BlockDriverState *bs, int64_t offset, - void *buf, int count); -int bdrv_pwrite(BlockDriverState *bs, int64_t offset, - const void *buf, int count); -int bdrv_pwritev(BlockDriverState *bs, int64_t offset, QEMUIOVector *qiov); -int bdrv_pwrite_sync(BlockDriverState *bs, int64_t offset, - const void *buf, int count); -int coroutine_fn bdrv_co_readv(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov); -int coroutine_fn bdrv_co_copy_on_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); -int coroutine_fn bdrv_co_writev(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, QEMUIOVector *qiov); -/* - * Efficiently zero a region of the disk image. Note that this is a regular - * I/O request like read or write and should have a reasonable size. This - * function is not suitable for zeroing the entire image in a single request - * because it may allocate memory for the entire region. - */ -int coroutine_fn bdrv_co_write_zeroes(BlockDriverState *bs, int64_t sector_num, - int nb_sectors); -int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, int *pnum); -int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top, - BlockDriverState *base, - int64_t sector_num, - int nb_sectors, int *pnum); -BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, - const char *backing_file); -int bdrv_get_backing_file_depth(BlockDriverState *bs); -int bdrv_truncate(BlockDriverState *bs, int64_t offset); -int64_t bdrv_getlength(BlockDriverState *bs); -int64_t bdrv_get_allocated_file_size(BlockDriverState *bs); -void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); -int bdrv_commit(BlockDriverState *bs); -int bdrv_commit_all(void); -int bdrv_change_backing_file(BlockDriverState *bs, - const char *backing_file, const char *backing_fmt); -void bdrv_register(BlockDriver *bdrv); -int bdrv_drop_intermediate(BlockDriverState *active, BlockDriverState *top, - BlockDriverState *base); -BlockDriverState *bdrv_find_overlay(BlockDriverState *active, - BlockDriverState *bs); -BlockDriverState *bdrv_find_base(BlockDriverState *bs); - - -typedef struct BdrvCheckResult { - int corruptions; - int leaks; - int check_errors; - int corruptions_fixed; - int leaks_fixed; - int64_t image_end_offset; - BlockFragInfo bfi; -} BdrvCheckResult; - -typedef enum { - BDRV_FIX_LEAKS = 1, - BDRV_FIX_ERRORS = 2, -} BdrvCheckMode; - -int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); - -/* async block I/O */ -typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector, - int sector_num); -BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *iov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *iov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -void bdrv_aio_cancel(BlockDriverAIOCB *acb); - -typedef struct BlockRequest { - /* Fields to be filled by multiwrite caller */ - int64_t sector; - int nb_sectors; - QEMUIOVector *qiov; - BlockDriverCompletionFunc *cb; - void *opaque; - - /* Filled by multiwrite implementation */ - int error; -} BlockRequest; - -int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, - int num_reqs); - -/* sg packet commands */ -int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf); -BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, - unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque); - -/* Invalidate any cached metadata used by image formats */ -void bdrv_invalidate_cache(BlockDriverState *bs); -void bdrv_invalidate_cache_all(void); - -void bdrv_clear_incoming_migration_all(void); - -/* Ensure contents are flushed to disk. */ -int bdrv_flush(BlockDriverState *bs); -int coroutine_fn bdrv_co_flush(BlockDriverState *bs); -int bdrv_flush_all(void); -void bdrv_close_all(void); -void bdrv_drain_all(void); - -int bdrv_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); -int bdrv_co_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); -int bdrv_has_zero_init_1(BlockDriverState *bs); -int bdrv_has_zero_init(BlockDriverState *bs); -int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - int *pnum); -int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base, - int64_t sector_num, int nb_sectors, int *pnum); - -void bdrv_set_on_error(BlockDriverState *bs, BlockdevOnError on_read_error, - BlockdevOnError on_write_error); -BlockdevOnError bdrv_get_on_error(BlockDriverState *bs, bool is_read); -BlockErrorAction bdrv_get_error_action(BlockDriverState *bs, bool is_read, int error); -void bdrv_error_action(BlockDriverState *bs, BlockErrorAction action, - bool is_read, int error); -int bdrv_is_read_only(BlockDriverState *bs); -int bdrv_is_sg(BlockDriverState *bs); -int bdrv_enable_write_cache(BlockDriverState *bs); -void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce); -int bdrv_is_inserted(BlockDriverState *bs); -int bdrv_media_changed(BlockDriverState *bs); -void bdrv_lock_medium(BlockDriverState *bs, bool locked); -void bdrv_eject(BlockDriverState *bs, bool eject_flag); -const char *bdrv_get_format_name(BlockDriverState *bs); -BlockDriverState *bdrv_find(const char *name); -BlockDriverState *bdrv_next(BlockDriverState *bs); -void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), - void *opaque); -int bdrv_is_encrypted(BlockDriverState *bs); -int bdrv_key_required(BlockDriverState *bs); -int bdrv_set_key(BlockDriverState *bs, const char *key); -int bdrv_query_missing_keys(void); -void bdrv_iterate_format(void (*it)(void *opaque, const char *name), - void *opaque); -const char *bdrv_get_device_name(BlockDriverState *bs); -int bdrv_get_flags(BlockDriverState *bs); -int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); -int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi); -void bdrv_round_to_clusters(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - int64_t *cluster_sector_num, - int *cluster_nb_sectors); - -const char *bdrv_get_encrypted_filename(BlockDriverState *bs); -void bdrv_get_backing_filename(BlockDriverState *bs, - char *filename, int filename_size); -void bdrv_get_full_backing_filename(BlockDriverState *bs, - char *dest, size_t sz); -int bdrv_is_snapshot(BlockDriverState *bs); - -int path_is_absolute(const char *path); -void path_combine(char *dest, int dest_size, - const char *base_path, - const char *filename); - -int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos); -int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, - int64_t pos, int size); - -int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, - int64_t pos, int size); - -void bdrv_img_create(const char *filename, const char *fmt, - const char *base_filename, const char *base_fmt, - char *options, uint64_t img_size, int flags, - Error **errp, bool quiet); - -void bdrv_set_buffer_alignment(BlockDriverState *bs, int align); -void *qemu_blockalign(BlockDriverState *bs, size_t size); -bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov); - -struct HBitmapIter; -void bdrv_set_dirty_tracking(BlockDriverState *bs, int granularity); -int bdrv_get_dirty(BlockDriverState *bs, int64_t sector); -void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors); -void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector, int nr_sectors); -void bdrv_dirty_iter_init(BlockDriverState *bs, struct HBitmapIter *hbi); -int64_t bdrv_get_dirty_count(BlockDriverState *bs); - -void bdrv_enable_copy_on_read(BlockDriverState *bs); -void bdrv_disable_copy_on_read(BlockDriverState *bs); - -void bdrv_set_in_use(BlockDriverState *bs, int in_use); -int bdrv_in_use(BlockDriverState *bs); - -#ifdef CONFIG_LINUX_AIO -int raw_get_aio_fd(BlockDriverState *bs); -#else -static inline int raw_get_aio_fd(BlockDriverState *bs) -{ - return -ENOTSUP; -} -#endif - -enum BlockAcctType { - BDRV_ACCT_READ, - BDRV_ACCT_WRITE, - BDRV_ACCT_FLUSH, - BDRV_MAX_IOTYPE, -}; - -typedef struct BlockAcctCookie { - int64_t bytes; - int64_t start_time_ns; - enum BlockAcctType type; -} BlockAcctCookie; - -void bdrv_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, - int64_t bytes, enum BlockAcctType type); -void bdrv_acct_done(BlockDriverState *bs, BlockAcctCookie *cookie); - -typedef enum { - BLKDBG_L1_UPDATE, - - BLKDBG_L1_GROW_ALLOC_TABLE, - BLKDBG_L1_GROW_WRITE_TABLE, - BLKDBG_L1_GROW_ACTIVATE_TABLE, - - BLKDBG_L2_LOAD, - BLKDBG_L2_UPDATE, - BLKDBG_L2_UPDATE_COMPRESSED, - BLKDBG_L2_ALLOC_COW_READ, - BLKDBG_L2_ALLOC_WRITE, - - BLKDBG_READ_AIO, - BLKDBG_READ_BACKING_AIO, - BLKDBG_READ_COMPRESSED, - - BLKDBG_WRITE_AIO, - BLKDBG_WRITE_COMPRESSED, - - BLKDBG_VMSTATE_LOAD, - BLKDBG_VMSTATE_SAVE, - - BLKDBG_COW_READ, - BLKDBG_COW_WRITE, - - BLKDBG_REFTABLE_LOAD, - BLKDBG_REFTABLE_GROW, - - BLKDBG_REFBLOCK_LOAD, - BLKDBG_REFBLOCK_UPDATE, - BLKDBG_REFBLOCK_UPDATE_PART, - BLKDBG_REFBLOCK_ALLOC, - BLKDBG_REFBLOCK_ALLOC_HOOKUP, - BLKDBG_REFBLOCK_ALLOC_WRITE, - BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS, - BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE, - BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE, - - BLKDBG_CLUSTER_ALLOC, - BLKDBG_CLUSTER_ALLOC_BYTES, - BLKDBG_CLUSTER_FREE, - - BLKDBG_FLUSH_TO_OS, - BLKDBG_FLUSH_TO_DISK, - - BLKDBG_EVENT_MAX, -} BlkDebugEvent; - -#define BLKDBG_EVENT(bs, evt) bdrv_debug_event(bs, evt) -void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event); - -int bdrv_debug_breakpoint(BlockDriverState *bs, const char *event, - const char *tag); -int bdrv_debug_resume(BlockDriverState *bs, const char *tag); -bool bdrv_debug_is_suspended(BlockDriverState *bs, const char *tag); - -#endif diff --git a/contrib/qemu/include/block/block_int.h b/contrib/qemu/include/block/block_int.h deleted file mode 100644 index c6ac871e210..00000000000 --- a/contrib/qemu/include/block/block_int.h +++ /dev/null @@ -1,421 +0,0 @@ -/* - * QEMU System Emulator block driver - * - * Copyright (c) 2003 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef BLOCK_INT_H -#define BLOCK_INT_H - -#include "block/block.h" -#include "qemu/option.h" -#include "qemu/queue.h" -#include "block/coroutine.h" -#include "qemu/timer.h" -#include "qapi-types.h" -#include "qapi/qmp/qerror.h" -#include "monitor/monitor.h" -#include "qemu/hbitmap.h" -#include "block/snapshot.h" - -#define BLOCK_FLAG_ENCRYPT 1 -#define BLOCK_FLAG_COMPAT6 4 -#define BLOCK_FLAG_LAZY_REFCOUNTS 8 - -#define BLOCK_IO_LIMIT_READ 0 -#define BLOCK_IO_LIMIT_WRITE 1 -#define BLOCK_IO_LIMIT_TOTAL 2 - -#define BLOCK_IO_SLICE_TIME 100000000 -#define NANOSECONDS_PER_SECOND 1000000000.0 - -#define BLOCK_OPT_SIZE "size" -#define BLOCK_OPT_ENCRYPT "encryption" -#define BLOCK_OPT_COMPAT6 "compat6" -#define BLOCK_OPT_BACKING_FILE "backing_file" -#define BLOCK_OPT_BACKING_FMT "backing_fmt" -#define BLOCK_OPT_CLUSTER_SIZE "cluster_size" -#define BLOCK_OPT_TABLE_SIZE "table_size" -#define BLOCK_OPT_PREALLOC "preallocation" -#define BLOCK_OPT_SUBFMT "subformat" -#define BLOCK_OPT_COMPAT_LEVEL "compat" -#define BLOCK_OPT_LAZY_REFCOUNTS "lazy_refcounts" -#define BLOCK_OPT_ADAPTER_TYPE "adapter_type" - -typedef struct BdrvTrackedRequest { - BlockDriverState *bs; - int64_t sector_num; - int nb_sectors; - bool is_write; - QLIST_ENTRY(BdrvTrackedRequest) list; - Coroutine *co; /* owner, used for deadlock detection */ - CoQueue wait_queue; /* coroutines blocked on this request */ -} BdrvTrackedRequest; - - -typedef struct BlockIOLimit { - int64_t bps[3]; - int64_t iops[3]; -} BlockIOLimit; - -typedef struct BlockIOBaseValue { - uint64_t bytes[2]; - uint64_t ios[2]; -} BlockIOBaseValue; - -struct BlockDriver { - const char *format_name; - int instance_size; - int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename); - int (*bdrv_probe_device)(const char *filename); - - /* Any driver implementing this callback is expected to be able to handle - * NULL file names in its .bdrv_open() implementation */ - void (*bdrv_parse_filename)(const char *filename, QDict *options, Error **errp); - - /* For handling image reopen for split or non-split files */ - int (*bdrv_reopen_prepare)(BDRVReopenState *reopen_state, - BlockReopenQueue *queue, Error **errp); - void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state); - void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state); - - int (*bdrv_open)(BlockDriverState *bs, QDict *options, int flags); - int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags); - int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors); - int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); - void (*bdrv_close)(BlockDriverState *bs); - void (*bdrv_rebind)(BlockDriverState *bs); - int (*bdrv_create)(const char *filename, QEMUOptionParameter *options); - int (*bdrv_set_key)(BlockDriverState *bs, const char *key); - int (*bdrv_make_empty)(BlockDriverState *bs); - /* aio */ - BlockDriverAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - - int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); - int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); - /* - * Efficiently zero a region of the disk image. Typically an image format - * would use a compact metadata representation to implement this. This - * function pointer may be NULL and .bdrv_co_writev() will be called - * instead. - */ - int coroutine_fn (*bdrv_co_write_zeroes)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors); - int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors); - int coroutine_fn (*bdrv_co_is_allocated)(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, int *pnum); - - /* - * Invalidate any cached meta-data. - */ - void (*bdrv_invalidate_cache)(BlockDriverState *bs); - - /* - * Flushes all data that was already written to the OS all the way down to - * the disk (for example raw-posix calls fsync()). - */ - int coroutine_fn (*bdrv_co_flush_to_disk)(BlockDriverState *bs); - - /* - * Flushes all internal caches to the OS. The data may still sit in a - * writeback cache of the host OS, but it will survive a crash of the qemu - * process. - */ - int coroutine_fn (*bdrv_co_flush_to_os)(BlockDriverState *bs); - - const char *protocol_name; - int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset); - int64_t (*bdrv_getlength)(BlockDriverState *bs); - int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs); - int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); - - int (*bdrv_snapshot_create)(BlockDriverState *bs, - QEMUSnapshotInfo *sn_info); - int (*bdrv_snapshot_goto)(BlockDriverState *bs, - const char *snapshot_id); - int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id); - int (*bdrv_snapshot_list)(BlockDriverState *bs, - QEMUSnapshotInfo **psn_info); - int (*bdrv_snapshot_load_tmp)(BlockDriverState *bs, - const char *snapshot_name); - int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi); - - int (*bdrv_save_vmstate)(BlockDriverState *bs, QEMUIOVector *qiov, - int64_t pos); - int (*bdrv_load_vmstate)(BlockDriverState *bs, uint8_t *buf, - int64_t pos, int size); - - int (*bdrv_change_backing_file)(BlockDriverState *bs, - const char *backing_file, const char *backing_fmt); - - /* removable device specific */ - int (*bdrv_is_inserted)(BlockDriverState *bs); - int (*bdrv_media_changed)(BlockDriverState *bs); - void (*bdrv_eject)(BlockDriverState *bs, bool eject_flag); - void (*bdrv_lock_medium)(BlockDriverState *bs, bool locked); - - /* to control generic scsi devices */ - int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf); - BlockDriverAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs, - unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque); - - /* List of options for creating images, terminated by name == NULL */ - QEMUOptionParameter *create_options; - - - /* - * Returns 0 for completed check, -errno for internal errors. - * The check results are stored in result. - */ - int (*bdrv_check)(BlockDriverState* bs, BdrvCheckResult *result, - BdrvCheckMode fix); - - void (*bdrv_debug_event)(BlockDriverState *bs, BlkDebugEvent event); - - /* TODO Better pass a option string/QDict/QemuOpts to add any rule? */ - int (*bdrv_debug_breakpoint)(BlockDriverState *bs, const char *event, - const char *tag); - int (*bdrv_debug_resume)(BlockDriverState *bs, const char *tag); - bool (*bdrv_debug_is_suspended)(BlockDriverState *bs, const char *tag); - - /* - * Returns 1 if newly created images are guaranteed to contain only - * zeros, 0 otherwise. - */ - int (*bdrv_has_zero_init)(BlockDriverState *bs); - - QLIST_ENTRY(BlockDriver) list; -}; - -/* - * Note: the function bdrv_append() copies and swaps contents of - * BlockDriverStates, so if you add new fields to this struct, please - * inspect bdrv_append() to determine if the new fields need to be - * copied as well. - */ -struct BlockDriverState { - int64_t total_sectors; /* if we are reading a disk image, give its - size in sectors */ - int read_only; /* if true, the media is read only */ - int open_flags; /* flags used to open the file, re-used for re-open */ - int encrypted; /* if true, the media is encrypted */ - int valid_key; /* if true, a valid encryption key has been set */ - int sg; /* if true, the device is a /dev/sg* */ - int copy_on_read; /* if true, copy read backing sectors into image - note this is a reference count */ - - BlockDriver *drv; /* NULL means no media */ - void *opaque; - - void *dev; /* attached device model, if any */ - /* TODO change to DeviceState when all users are qdevified */ - const BlockDevOps *dev_ops; - void *dev_opaque; - - char filename[1024]; - char backing_file[1024]; /* if non zero, the image is a diff of - this file image */ - char backing_format[16]; /* if non-zero and backing_file exists */ - int is_temporary; - - BlockDriverState *backing_hd; - BlockDriverState *file; - - NotifierList close_notifiers; - - /* Callback before write request is processed */ - NotifierWithReturnList before_write_notifiers; - - /* number of in-flight copy-on-read requests */ - unsigned int copy_on_read_in_flight; - - /* the time for latest disk I/O */ - int64_t slice_start; - int64_t slice_end; - BlockIOLimit io_limits; - BlockIOBaseValue slice_submitted; - CoQueue throttled_reqs; - QEMUTimer *block_timer; - bool io_limits_enabled; - - /* I/O stats (display with "info blockstats"). */ - uint64_t nr_bytes[BDRV_MAX_IOTYPE]; - uint64_t nr_ops[BDRV_MAX_IOTYPE]; - uint64_t total_time_ns[BDRV_MAX_IOTYPE]; - uint64_t wr_highest_sector; - - /* Whether the disk can expand beyond total_sectors */ - int growable; - - /* the memory alignment required for the buffers handled by this driver */ - int buffer_alignment; - - /* do we need to tell the quest if we have a volatile write cache? */ - int enable_write_cache; - - /* NOTE: the following infos are only hints for real hardware - drivers. They are not used by the block driver */ - BlockdevOnError on_read_error, on_write_error; - bool iostatus_enabled; - BlockDeviceIoStatus iostatus; - char device_name[32]; - HBitmap *dirty_bitmap; - int in_use; /* users other than guest access, eg. block migration */ - QTAILQ_ENTRY(BlockDriverState) list; - - QLIST_HEAD(, BdrvTrackedRequest) tracked_requests; - - /* long-running background operation */ - BlockJob *job; - - QDict *options; -}; - -int get_tmp_filename(char *filename, int size); - -void bdrv_set_io_limits(BlockDriverState *bs, - BlockIOLimit *io_limits); - -/** - * bdrv_add_before_write_notifier: - * - * Register a callback that is invoked before write requests are processed but - * after any throttling or waiting for overlapping requests. - */ -void bdrv_add_before_write_notifier(BlockDriverState *bs, - NotifierWithReturn *notifier); - -/** - * bdrv_get_aio_context: - * - * Returns: the currently bound #AioContext - */ -AioContext *bdrv_get_aio_context(BlockDriverState *bs); - -#ifdef _WIN32 -int is_windows_drive(const char *filename); -#endif -void bdrv_emit_qmp_error_event(const BlockDriverState *bdrv, - enum MonitorEvent ev, - BlockErrorAction action, bool is_read); - -/** - * stream_start: - * @bs: Block device to operate on. - * @base: Block device that will become the new base, or %NULL to - * flatten the whole backing file chain onto @bs. - * @base_id: The file name that will be written to @bs as the new - * backing file if the job completes. Ignored if @base is %NULL. - * @speed: The maximum speed, in bytes per second, or 0 for unlimited. - * @on_error: The action to take upon error. - * @cb: Completion function for the job. - * @opaque: Opaque pointer value passed to @cb. - * @errp: Error object. - * - * Start a streaming operation on @bs. Clusters that are unallocated - * in @bs, but allocated in any image between @base and @bs (both - * exclusive) will be written to @bs. At the end of a successful - * streaming job, the backing file of @bs will be changed to - * @base_id in the written image and to @base in the live BlockDriverState. - */ -void stream_start(BlockDriverState *bs, BlockDriverState *base, - const char *base_id, int64_t speed, BlockdevOnError on_error, - BlockDriverCompletionFunc *cb, - void *opaque, Error **errp); - -/** - * commit_start: - * @bs: Top Block device - * @base: Block device that will be written into, and become the new top - * @speed: The maximum speed, in bytes per second, or 0 for unlimited. - * @on_error: The action to take upon error. - * @cb: Completion function for the job. - * @opaque: Opaque pointer value passed to @cb. - * @errp: Error object. - * - */ -void commit_start(BlockDriverState *bs, BlockDriverState *base, - BlockDriverState *top, int64_t speed, - BlockdevOnError on_error, BlockDriverCompletionFunc *cb, - void *opaque, Error **errp); - -/* - * mirror_start: - * @bs: Block device to operate on. - * @target: Block device to write to. - * @speed: The maximum speed, in bytes per second, or 0 for unlimited. - * @granularity: The chosen granularity for the dirty bitmap. - * @buf_size: The amount of data that can be in flight at one time. - * @mode: Whether to collapse all images in the chain to the target. - * @on_source_error: The action to take upon error reading from the source. - * @on_target_error: The action to take upon error writing to the target. - * @cb: Completion function for the job. - * @opaque: Opaque pointer value passed to @cb. - * @errp: Error object. - * - * Start a mirroring operation on @bs. Clusters that are allocated - * in @bs will be written to @bs until the job is cancelled or - * manually completed. At the end of a successful mirroring job, - * @bs will be switched to read from @target. - */ -void mirror_start(BlockDriverState *bs, BlockDriverState *target, - int64_t speed, int64_t granularity, int64_t buf_size, - MirrorSyncMode mode, BlockdevOnError on_source_error, - BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, - void *opaque, Error **errp); - -/* - * backup_start: - * @bs: Block device to operate on. - * @target: Block device to write to. - * @speed: The maximum speed, in bytes per second, or 0 for unlimited. - * @on_source_error: The action to take upon error reading from the source. - * @on_target_error: The action to take upon error writing to the target. - * @cb: Completion function for the job. - * @opaque: Opaque pointer value passed to @cb. - * - * Start a backup operation on @bs. Clusters in @bs are written to @target - * until the job is cancelled or manually completed. - */ -void backup_start(BlockDriverState *bs, BlockDriverState *target, - int64_t speed, BlockdevOnError on_source_error, - BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, void *opaque, - Error **errp); - -#endif /* BLOCK_INT_H */ diff --git a/contrib/qemu/include/block/blockjob.h b/contrib/qemu/include/block/blockjob.h deleted file mode 100644 index c290d07bba0..00000000000 --- a/contrib/qemu/include/block/blockjob.h +++ /dev/null @@ -1,278 +0,0 @@ -/* - * Declarations for long-running block device operations - * - * Copyright (c) 2011 IBM Corp. - * Copyright (c) 2012 Red Hat, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef BLOCKJOB_H -#define BLOCKJOB_H 1 - -#include "block/block.h" - -/** - * BlockJobType: - * - * A class type for block job objects. - */ -typedef struct BlockJobType { - /** Derived BlockJob struct size */ - size_t instance_size; - - /** String describing the operation, part of query-block-jobs QMP API */ - const char *job_type; - - /** Optional callback for job types that support setting a speed limit */ - void (*set_speed)(BlockJob *job, int64_t speed, Error **errp); - - /** Optional callback for job types that need to forward I/O status reset */ - void (*iostatus_reset)(BlockJob *job); - - /** - * Optional callback for job types whose completion must be triggered - * manually. - */ - void (*complete)(BlockJob *job, Error **errp); -} BlockJobType; - -/** - * BlockJob: - * - * Long-running operation on a BlockDriverState. - */ -struct BlockJob { - /** The job type, including the job vtable. */ - const BlockJobType *job_type; - - /** The block device on which the job is operating. */ - BlockDriverState *bs; - - /** - * The coroutine that executes the job. If not NULL, it is - * reentered when busy is false and the job is cancelled. - */ - Coroutine *co; - - /** - * Set to true if the job should cancel itself. The flag must - * always be tested just before toggling the busy flag from false - * to true. After a job has been cancelled, it should only yield - * if #qemu_aio_wait will ("sooner or later") reenter the coroutine. - */ - bool cancelled; - - /** - * Set to true if the job is either paused, or will pause itself - * as soon as possible (if busy == true). - */ - bool paused; - - /** - * Set to false by the job while it is in a quiescent state, where - * no I/O is pending and the job has yielded on any condition - * that is not detected by #qemu_aio_wait, such as a timer. - */ - bool busy; - - /** Status that is published by the query-block-jobs QMP API */ - BlockDeviceIoStatus iostatus; - - /** Offset that is published by the query-block-jobs QMP API */ - int64_t offset; - - /** Length that is published by the query-block-jobs QMP API */ - int64_t len; - - /** Speed that was set with @block_job_set_speed. */ - int64_t speed; - - /** The completion function that will be called when the job completes. */ - BlockDriverCompletionFunc *cb; - - /** The opaque value that is passed to the completion function. */ - void *opaque; -}; - -/** - * block_job_create: - * @job_type: The class object for the newly-created job. - * @bs: The block - * @speed: The maximum speed, in bytes per second, or 0 for unlimited. - * @cb: Completion function for the job. - * @opaque: Opaque pointer value passed to @cb. - * @errp: Error object. - * - * Create a new long-running block device job and return it. The job - * will call @cb asynchronously when the job completes. Note that - * @bs may have been closed at the time the @cb it is called. If - * this is the case, the job may be reported as either cancelled or - * completed. - * - * This function is not part of the public job interface; it should be - * called from a wrapper that is specific to the job type. - */ -void *block_job_create(const BlockJobType *job_type, BlockDriverState *bs, - int64_t speed, BlockDriverCompletionFunc *cb, - void *opaque, Error **errp); - -/** - * block_job_sleep_ns: - * @job: The job that calls the function. - * @clock: The clock to sleep on. - * @ns: How many nanoseconds to stop for. - * - * Put the job to sleep (assuming that it wasn't canceled) for @ns - * nanoseconds. Canceling the job will interrupt the wait immediately. - */ -void block_job_sleep_ns(BlockJob *job, QEMUClock *clock, int64_t ns); - -/** - * block_job_completed: - * @job: The job being completed. - * @ret: The status code. - * - * Call the completion function that was registered at creation time, and - * free @job. - */ -void block_job_completed(BlockJob *job, int ret); - -/** - * block_job_set_speed: - * @job: The job to set the speed for. - * @speed: The new value - * @errp: Error object. - * - * Set a rate-limiting parameter for the job; the actual meaning may - * vary depending on the job type. - */ -void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp); - -/** - * block_job_cancel: - * @job: The job to be canceled. - * - * Asynchronously cancel the specified job. - */ -void block_job_cancel(BlockJob *job); - -/** - * block_job_complete: - * @job: The job to be completed. - * @errp: Error object. - * - * Asynchronously complete the specified job. - */ -void block_job_complete(BlockJob *job, Error **errp); - -/** - * block_job_is_cancelled: - * @job: The job being queried. - * - * Returns whether the job is scheduled for cancellation. - */ -bool block_job_is_cancelled(BlockJob *job); - -/** - * block_job_query: - * @job: The job to get information about. - * - * Return information about a job. - */ -BlockJobInfo *block_job_query(BlockJob *job); - -/** - * block_job_pause: - * @job: The job to be paused. - * - * Asynchronously pause the specified job. - */ -void block_job_pause(BlockJob *job); - -/** - * block_job_resume: - * @job: The job to be resumed. - * - * Resume the specified job. - */ -void block_job_resume(BlockJob *job); - -/** - * qobject_from_block_job: - * @job: The job whose information is requested. - * - * Return a QDict corresponding to @job's query-block-jobs entry. - */ -QObject *qobject_from_block_job(BlockJob *job); - -/** - * block_job_ready: - * @job: The job which is now ready to complete. - * - * Send a BLOCK_JOB_READY event for the specified job. - */ -void block_job_ready(BlockJob *job); - -/** - * block_job_is_paused: - * @job: The job being queried. - * - * Returns whether the job is currently paused, or will pause - * as soon as it reaches a sleeping point. - */ -bool block_job_is_paused(BlockJob *job); - -/** - * block_job_cancel_sync: - * @job: The job to be canceled. - * - * Synchronously cancel the job. The completion callback is called - * before the function returns. The job may actually complete - * instead of canceling itself; the circumstances under which this - * happens depend on the kind of job that is active. - * - * Returns the return value from the job if the job actually completed - * during the call, or -ECANCELED if it was canceled. - */ -int block_job_cancel_sync(BlockJob *job); - -/** - * block_job_iostatus_reset: - * @job: The job whose I/O status should be reset. - * - * Reset I/O status on @job and on BlockDriverState objects it uses, - * other than job->bs. - */ -void block_job_iostatus_reset(BlockJob *job); - -/** - * block_job_error_action: - * @job: The job to signal an error for. - * @bs: The block device on which to set an I/O error. - * @on_err: The error action setting. - * @is_read: Whether the operation was a read. - * @error: The error that was reported. - * - * Report an I/O error for a block job and possibly stop the VM. Return the - * action that was selected based on @on_err and @error. - */ -BlockErrorAction block_job_error_action(BlockJob *job, BlockDriverState *bs, - BlockdevOnError on_err, - int is_read, int error); -#endif diff --git a/contrib/qemu/include/block/coroutine.h b/contrib/qemu/include/block/coroutine.h deleted file mode 100644 index 377805a3b08..00000000000 --- a/contrib/qemu/include/block/coroutine.h +++ /dev/null @@ -1,218 +0,0 @@ -/* - * QEMU coroutine implementation - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Kevin Wolf <kwolf@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QEMU_COROUTINE_H -#define QEMU_COROUTINE_H - -#include <stdbool.h> -#include "qemu/queue.h" -#include "qemu/timer.h" - -/** - * Coroutines are a mechanism for stack switching and can be used for - * cooperative userspace threading. These functions provide a simple but - * useful flavor of coroutines that is suitable for writing sequential code, - * rather than callbacks, for operations that need to give up control while - * waiting for events to complete. - * - * These functions are re-entrant and may be used outside the global mutex. - */ - -/** - * Mark a function that executes in coroutine context - * - * Functions that execute in coroutine context cannot be called directly from - * normal functions. In the future it would be nice to enable compiler or - * static checker support for catching such errors. This annotation might make - * it possible and in the meantime it serves as documentation. - * - * For example: - * - * static void coroutine_fn foo(void) { - * .... - * } - */ -#define coroutine_fn - -typedef struct Coroutine Coroutine; - -/** - * Coroutine entry point - * - * When the coroutine is entered for the first time, opaque is passed in as an - * argument. - * - * When this function returns, the coroutine is destroyed automatically and - * execution continues in the caller who last entered the coroutine. - */ -typedef void coroutine_fn CoroutineEntry(void *opaque); - -/** - * Create a new coroutine - * - * Use qemu_coroutine_enter() to actually transfer control to the coroutine. - */ -Coroutine *qemu_coroutine_create(CoroutineEntry *entry); - -/** - * Transfer control to a coroutine - * - * The opaque argument is passed as the argument to the entry point when - * entering the coroutine for the first time. It is subsequently ignored. - */ -void qemu_coroutine_enter(Coroutine *coroutine, void *opaque); - -/** - * Transfer control back to a coroutine's caller - * - * This function does not return until the coroutine is re-entered using - * qemu_coroutine_enter(). - */ -void coroutine_fn qemu_coroutine_yield(void); - -/** - * Get the currently executing coroutine - */ -Coroutine *coroutine_fn qemu_coroutine_self(void); - -/** - * Return whether or not currently inside a coroutine - * - * This can be used to write functions that work both when in coroutine context - * and when not in coroutine context. Note that such functions cannot use the - * coroutine_fn annotation since they work outside coroutine context. - */ -bool qemu_in_coroutine(void); - - - -/** - * CoQueues are a mechanism to queue coroutines in order to continue executing - * them later. They provide the fundamental primitives on which coroutine locks - * are built. - */ -typedef struct CoQueue { - QTAILQ_HEAD(, Coroutine) entries; - AioContext *ctx; -} CoQueue; - -/** - * Initialise a CoQueue. This must be called before any other operation is used - * on the CoQueue. - */ -void qemu_co_queue_init(CoQueue *queue); - -/** - * Adds the current coroutine to the CoQueue and transfers control to the - * caller of the coroutine. - */ -void coroutine_fn qemu_co_queue_wait(CoQueue *queue); - -/** - * Adds the current coroutine to the head of the CoQueue and transfers control to the - * caller of the coroutine. - */ -void coroutine_fn qemu_co_queue_wait_insert_head(CoQueue *queue); - -/** - * Restarts the next coroutine in the CoQueue and removes it from the queue. - * - * Returns true if a coroutine was restarted, false if the queue is empty. - */ -bool qemu_co_queue_next(CoQueue *queue); - -/** - * Restarts all coroutines in the CoQueue and leaves the queue empty. - */ -void qemu_co_queue_restart_all(CoQueue *queue); - -/** - * Checks if the CoQueue is empty. - */ -bool qemu_co_queue_empty(CoQueue *queue); - - -/** - * Provides a mutex that can be used to synchronise coroutines - */ -typedef struct CoMutex { - bool locked; - CoQueue queue; -} CoMutex; - -/** - * Initialises a CoMutex. This must be called before any other operation is used - * on the CoMutex. - */ -void qemu_co_mutex_init(CoMutex *mutex); - -/** - * Locks the mutex. If the lock cannot be taken immediately, control is - * transferred to the caller of the current coroutine. - */ -void coroutine_fn qemu_co_mutex_lock(CoMutex *mutex); - -/** - * Unlocks the mutex and schedules the next coroutine that was waiting for this - * lock to be run. - */ -void coroutine_fn qemu_co_mutex_unlock(CoMutex *mutex); - -typedef struct CoRwlock { - bool writer; - int reader; - CoQueue queue; -} CoRwlock; - -/** - * Initialises a CoRwlock. This must be called before any other operation - * is used on the CoRwlock - */ -void qemu_co_rwlock_init(CoRwlock *lock); - -/** - * Read locks the CoRwlock. If the lock cannot be taken immediately because - * of a parallel writer, control is transferred to the caller of the current - * coroutine. - */ -void qemu_co_rwlock_rdlock(CoRwlock *lock); - -/** - * Write Locks the mutex. If the lock cannot be taken immediately because - * of a parallel reader, control is transferred to the caller of the current - * coroutine. - */ -void qemu_co_rwlock_wrlock(CoRwlock *lock); - -/** - * Unlocks the read/write lock and schedules the next coroutine that was - * waiting for this lock to be run. - */ -void qemu_co_rwlock_unlock(CoRwlock *lock); - -/** - * Yield the coroutine for a given duration - * - * Note this function uses timers and hence only works when a main loop is in - * use. See main-loop.h and do not use from qemu-tool programs. - */ -void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns); - -/** - * Yield until a file descriptor becomes readable - * - * Note that this function clobbers the handlers for the file descriptor. - */ -void coroutine_fn yield_until_fd_readable(int fd); -#endif /* QEMU_COROUTINE_H */ diff --git a/contrib/qemu/include/block/coroutine_int.h b/contrib/qemu/include/block/coroutine_int.h deleted file mode 100644 index f133d65af86..00000000000 --- a/contrib/qemu/include/block/coroutine_int.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Coroutine internals - * - * Copyright (c) 2011 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef QEMU_COROUTINE_INT_H -#define QEMU_COROUTINE_INT_H - -#include "qemu/queue.h" -#include "block/coroutine.h" - -typedef enum { - COROUTINE_YIELD = 1, - COROUTINE_TERMINATE = 2, -} CoroutineAction; - -struct Coroutine { - CoroutineEntry *entry; - void *entry_arg; - Coroutine *caller; - QSLIST_ENTRY(Coroutine) pool_next; - - /* Coroutines that should be woken up when we yield or terminate */ - QTAILQ_HEAD(, Coroutine) co_queue_wakeup; - QTAILQ_ENTRY(Coroutine) co_queue_next; -}; - -Coroutine *qemu_coroutine_new(void); -void qemu_coroutine_delete(Coroutine *co); -CoroutineAction qemu_coroutine_switch(Coroutine *from, Coroutine *to, - CoroutineAction action); -void coroutine_fn qemu_co_queue_run_restart(Coroutine *co); - -#endif diff --git a/contrib/qemu/include/block/snapshot.h b/contrib/qemu/include/block/snapshot.h deleted file mode 100644 index eaf61f0326e..00000000000 --- a/contrib/qemu/include/block/snapshot.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Block layer snapshot related functions - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef SNAPSHOT_H -#define SNAPSHOT_H - -#include "qemu-common.h" - -typedef struct QEMUSnapshotInfo { - char id_str[128]; /* unique snapshot id */ - /* the following fields are informative. They are not needed for - the consistency of the snapshot */ - char name[256]; /* user chosen name */ - uint64_t vm_state_size; /* VM state info size */ - uint32_t date_sec; /* UTC date of the snapshot */ - uint32_t date_nsec; - uint64_t vm_clock_nsec; /* VM clock relative to boot */ -} QEMUSnapshotInfo; - -int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, - const char *name); -int bdrv_can_snapshot(BlockDriverState *bs); -int bdrv_snapshot_create(BlockDriverState *bs, - QEMUSnapshotInfo *sn_info); -int bdrv_snapshot_goto(BlockDriverState *bs, - const char *snapshot_id); -int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id); -int bdrv_snapshot_list(BlockDriverState *bs, - QEMUSnapshotInfo **psn_info); -int bdrv_snapshot_load_tmp(BlockDriverState *bs, - const char *snapshot_name); -#endif diff --git a/contrib/qemu/include/config.h b/contrib/qemu/include/config.h deleted file mode 100644 index e20f78696a1..00000000000 --- a/contrib/qemu/include/config.h +++ /dev/null @@ -1,2 +0,0 @@ -#include "config-host.h" -#include "config-target.h" diff --git a/contrib/qemu/include/exec/cpu-common.h b/contrib/qemu/include/exec/cpu-common.h deleted file mode 100644 index e4996e19c32..00000000000 --- a/contrib/qemu/include/exec/cpu-common.h +++ /dev/null @@ -1,124 +0,0 @@ -#ifndef CPU_COMMON_H -#define CPU_COMMON_H 1 - -/* CPU interfaces that are target independent. */ - -#ifndef CONFIG_USER_ONLY -#include "exec/hwaddr.h" -#endif - -#ifndef NEED_CPU_H -#include "exec/poison.h" -#endif - -#include "qemu/bswap.h" -#include "qemu/queue.h" - -/** - * CPUListState: - * @cpu_fprintf: Print function. - * @file: File to print to using @cpu_fprint. - * - * State commonly used for iterating over CPU models. - */ -typedef struct CPUListState { - fprintf_function cpu_fprintf; - FILE *file; -} CPUListState; - -#if !defined(CONFIG_USER_ONLY) - -enum device_endian { - DEVICE_NATIVE_ENDIAN, - DEVICE_BIG_ENDIAN, - DEVICE_LITTLE_ENDIAN, -}; - -/* address in the RAM (different from a physical address) */ -#if defined(CONFIG_XEN_BACKEND) -typedef uint64_t ram_addr_t; -# define RAM_ADDR_MAX UINT64_MAX -# define RAM_ADDR_FMT "%" PRIx64 -#else -typedef uintptr_t ram_addr_t; -# define RAM_ADDR_MAX UINTPTR_MAX -# define RAM_ADDR_FMT "%" PRIxPTR -#endif - -/* memory API */ - -typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value); -typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr); - -void qemu_ram_remap(ram_addr_t addr, ram_addr_t length); -/* This should not be used by devices. */ -MemoryRegion *qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr); -void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev); - -void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf, - int len, int is_write); -static inline void cpu_physical_memory_read(hwaddr addr, - void *buf, int len) -{ - cpu_physical_memory_rw(addr, buf, len, 0); -} -static inline void cpu_physical_memory_write(hwaddr addr, - const void *buf, int len) -{ - cpu_physical_memory_rw(addr, (void *)buf, len, 1); -} -void *cpu_physical_memory_map(hwaddr addr, - hwaddr *plen, - int is_write); -void cpu_physical_memory_unmap(void *buffer, hwaddr len, - int is_write, hwaddr access_len); -void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)); - -bool cpu_physical_memory_is_io(hwaddr phys_addr); - -/* Coalesced MMIO regions are areas where write operations can be reordered. - * This usually implies that write operations are side-effect free. This allows - * batching which can make a major impact on performance when using - * virtualization. - */ -void qemu_flush_coalesced_mmio_buffer(void); - -uint32_t ldub_phys(hwaddr addr); -uint32_t lduw_le_phys(hwaddr addr); -uint32_t lduw_be_phys(hwaddr addr); -uint32_t ldl_le_phys(hwaddr addr); -uint32_t ldl_be_phys(hwaddr addr); -uint64_t ldq_le_phys(hwaddr addr); -uint64_t ldq_be_phys(hwaddr addr); -void stb_phys(hwaddr addr, uint32_t val); -void stw_le_phys(hwaddr addr, uint32_t val); -void stw_be_phys(hwaddr addr, uint32_t val); -void stl_le_phys(hwaddr addr, uint32_t val); -void stl_be_phys(hwaddr addr, uint32_t val); -void stq_le_phys(hwaddr addr, uint64_t val); -void stq_be_phys(hwaddr addr, uint64_t val); - -#ifdef NEED_CPU_H -uint32_t lduw_phys(hwaddr addr); -uint32_t ldl_phys(hwaddr addr); -uint64_t ldq_phys(hwaddr addr); -void stl_phys_notdirty(hwaddr addr, uint32_t val); -void stw_phys(hwaddr addr, uint32_t val); -void stl_phys(hwaddr addr, uint32_t val); -void stq_phys(hwaddr addr, uint64_t val); -#endif - -void cpu_physical_memory_write_rom(hwaddr addr, - const uint8_t *buf, int len); - -extern struct MemoryRegion io_mem_rom; -extern struct MemoryRegion io_mem_notdirty; - -typedef void (RAMBlockIterFunc)(void *host_addr, - ram_addr_t offset, ram_addr_t length, void *opaque); - -void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque); - -#endif - -#endif /* !CPU_COMMON_H */ diff --git a/contrib/qemu/include/exec/hwaddr.h b/contrib/qemu/include/exec/hwaddr.h deleted file mode 100644 index c9eb78fba18..00000000000 --- a/contrib/qemu/include/exec/hwaddr.h +++ /dev/null @@ -1,20 +0,0 @@ -/* Define hwaddr if it exists. */ - -#ifndef HWADDR_H -#define HWADDR_H - -#define HWADDR_BITS 64 -/* hwaddr is the type of a physical address (its size can - be different from 'target_ulong'). */ - -typedef uint64_t hwaddr; -#define HWADDR_MAX UINT64_MAX -#define TARGET_FMT_plx "%016" PRIx64 -#define HWADDR_PRId PRId64 -#define HWADDR_PRIi PRIi64 -#define HWADDR_PRIo PRIo64 -#define HWADDR_PRIu PRIu64 -#define HWADDR_PRIx PRIx64 -#define HWADDR_PRIX PRIX64 - -#endif diff --git a/contrib/qemu/include/exec/poison.h b/contrib/qemu/include/exec/poison.h deleted file mode 100644 index 2341a750413..00000000000 --- a/contrib/qemu/include/exec/poison.h +++ /dev/null @@ -1,63 +0,0 @@ -/* Poison identifiers that should not be used when building - target independent device code. */ - -#ifndef HW_POISON_H -#define HW_POISON_H -#ifdef __GNUC__ - -#pragma GCC poison TARGET_I386 -#pragma GCC poison TARGET_X86_64 -#pragma GCC poison TARGET_ALPHA -#pragma GCC poison TARGET_ARM -#pragma GCC poison TARGET_CRIS -#pragma GCC poison TARGET_LM32 -#pragma GCC poison TARGET_M68K -#pragma GCC poison TARGET_MIPS -#pragma GCC poison TARGET_MIPS64 -#pragma GCC poison TARGET_OPENRISC -#pragma GCC poison TARGET_PPC -#pragma GCC poison TARGET_PPCEMB -#pragma GCC poison TARGET_PPC64 -#pragma GCC poison TARGET_ABI32 -#pragma GCC poison TARGET_SH4 -#pragma GCC poison TARGET_SPARC -#pragma GCC poison TARGET_SPARC64 - -#pragma GCC poison TARGET_WORDS_BIGENDIAN -#pragma GCC poison BSWAP_NEEDED - -#pragma GCC poison TARGET_LONG_BITS -#pragma GCC poison TARGET_FMT_lx -#pragma GCC poison TARGET_FMT_ld - -#pragma GCC poison TARGET_PAGE_SIZE -#pragma GCC poison TARGET_PAGE_MASK -#pragma GCC poison TARGET_PAGE_BITS -#pragma GCC poison TARGET_PAGE_ALIGN - -#pragma GCC poison CPUArchState -#pragma GCC poison env - -#pragma GCC poison lduw_phys -#pragma GCC poison ldl_phys -#pragma GCC poison ldq_phys -#pragma GCC poison stl_phys_notdirty -#pragma GCC poison stw_phys -#pragma GCC poison stl_phys -#pragma GCC poison stq_phys - -#pragma GCC poison CPU_INTERRUPT_HARD -#pragma GCC poison CPU_INTERRUPT_EXITTB -#pragma GCC poison CPU_INTERRUPT_HALT -#pragma GCC poison CPU_INTERRUPT_DEBUG -#pragma GCC poison CPU_INTERRUPT_TGT_EXT_0 -#pragma GCC poison CPU_INTERRUPT_TGT_EXT_1 -#pragma GCC poison CPU_INTERRUPT_TGT_EXT_2 -#pragma GCC poison CPU_INTERRUPT_TGT_EXT_3 -#pragma GCC poison CPU_INTERRUPT_TGT_EXT_4 -#pragma GCC poison CPU_INTERRUPT_TGT_INT_0 -#pragma GCC poison CPU_INTERRUPT_TGT_INT_1 -#pragma GCC poison CPU_INTERRUPT_TGT_INT_2 - -#endif -#endif diff --git a/contrib/qemu/include/fpu/softfloat.h b/contrib/qemu/include/fpu/softfloat.h deleted file mode 100644 index f3927e2419f..00000000000 --- a/contrib/qemu/include/fpu/softfloat.h +++ /dev/null @@ -1,641 +0,0 @@ -/* - * QEMU float support - * - * Derived from SoftFloat. - */ - -/*============================================================================ - -This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic -Package, Release 2b. - -Written by John R. Hauser. This work was made possible in part by the -International Computer Science Institute, located at Suite 600, 1947 Center -Street, Berkeley, California 94704. Funding was partially provided by the -National Science Foundation under grant MIP-9311980. The original version -of this code was written as part of a project to build a fixed-point vector -processor in collaboration with the University of California at Berkeley, -overseen by Profs. Nelson Morgan and John Wawrzynek. More information -is available through the Web page `http://www.cs.berkeley.edu/~jhauser/ -arithmetic/SoftFloat.html'. - -THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has -been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES -RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS -AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES, -COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE -EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE -INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR -OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE. - -Derivative works are acceptable, even for commercial purposes, so long as -(1) the source code for the derivative work includes prominent notice that -the work is derivative, and (2) the source code includes prominent notice with -these four paragraphs for those parts of this code that are retained. - -=============================================================================*/ - -#ifndef SOFTFLOAT_H -#define SOFTFLOAT_H - -#if defined(CONFIG_SOLARIS) && defined(CONFIG_NEEDS_LIBSUNMATH) -#include <sunmath.h> -#endif - -#include <inttypes.h> -#include "config-host.h" -#include "qemu/osdep.h" - -/*---------------------------------------------------------------------------- -| Each of the following `typedef's defines the most convenient type that holds -| integers of at least as many bits as specified. For example, `uint8' should -| be the most convenient type that can hold unsigned integers of as many as -| 8 bits. The `flag' type must be able to hold either a 0 or 1. For most -| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed -| to the same as `int'. -*----------------------------------------------------------------------------*/ -typedef uint8_t flag; -typedef uint8_t uint8; -typedef int8_t int8; -typedef unsigned int uint32; -typedef signed int int32; -typedef uint64_t uint64; -typedef int64_t int64; - -#define LIT64( a ) a##LL -#define INLINE static inline - -#define STATUS_PARAM , float_status *status -#define STATUS(field) status->field -#define STATUS_VAR , status - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point ordering relations -*----------------------------------------------------------------------------*/ -enum { - float_relation_less = -1, - float_relation_equal = 0, - float_relation_greater = 1, - float_relation_unordered = 2 -}; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point types. -*----------------------------------------------------------------------------*/ -/* Use structures for soft-float types. This prevents accidentally mixing - them with native int/float types. A sufficiently clever compiler and - sane ABI should be able to see though these structs. However - x86/gcc 3.x seems to struggle a bit, so leave them disabled by default. */ -//#define USE_SOFTFLOAT_STRUCT_TYPES -#ifdef USE_SOFTFLOAT_STRUCT_TYPES -typedef struct { - uint16_t v; -} float16; -#define float16_val(x) (((float16)(x)).v) -#define make_float16(x) __extension__ ({ float16 f16_val = {x}; f16_val; }) -#define const_float16(x) { x } -typedef struct { - uint32_t v; -} float32; -/* The cast ensures an error if the wrong type is passed. */ -#define float32_val(x) (((float32)(x)).v) -#define make_float32(x) __extension__ ({ float32 f32_val = {x}; f32_val; }) -#define const_float32(x) { x } -typedef struct { - uint64_t v; -} float64; -#define float64_val(x) (((float64)(x)).v) -#define make_float64(x) __extension__ ({ float64 f64_val = {x}; f64_val; }) -#define const_float64(x) { x } -#else -typedef uint16_t float16; -typedef uint32_t float32; -typedef uint64_t float64; -#define float16_val(x) (x) -#define float32_val(x) (x) -#define float64_val(x) (x) -#define make_float16(x) (x) -#define make_float32(x) (x) -#define make_float64(x) (x) -#define const_float16(x) (x) -#define const_float32(x) (x) -#define const_float64(x) (x) -#endif -typedef struct { - uint64_t low; - uint16_t high; -} floatx80; -#define make_floatx80(exp, mant) ((floatx80) { mant, exp }) -#define make_floatx80_init(exp, mant) { .low = mant, .high = exp } -typedef struct { -#ifdef HOST_WORDS_BIGENDIAN - uint64_t high, low; -#else - uint64_t low, high; -#endif -} float128; -#define make_float128(high_, low_) ((float128) { .high = high_, .low = low_ }) -#define make_float128_init(high_, low_) { .high = high_, .low = low_ } - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point underflow tininess-detection mode. -*----------------------------------------------------------------------------*/ -enum { - float_tininess_after_rounding = 0, - float_tininess_before_rounding = 1 -}; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point rounding mode. -*----------------------------------------------------------------------------*/ -enum { - float_round_nearest_even = 0, - float_round_down = 1, - float_round_up = 2, - float_round_to_zero = 3 -}; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point exception flags. -*----------------------------------------------------------------------------*/ -enum { - float_flag_invalid = 1, - float_flag_divbyzero = 4, - float_flag_overflow = 8, - float_flag_underflow = 16, - float_flag_inexact = 32, - float_flag_input_denormal = 64, - float_flag_output_denormal = 128 -}; - -typedef struct float_status { - signed char float_detect_tininess; - signed char float_rounding_mode; - signed char float_exception_flags; - signed char floatx80_rounding_precision; - /* should denormalised results go to zero and set the inexact flag? */ - flag flush_to_zero; - /* should denormalised inputs go to zero and set the input_denormal flag? */ - flag flush_inputs_to_zero; - flag default_nan_mode; -} float_status; - -void set_float_rounding_mode(int val STATUS_PARAM); -void set_float_exception_flags(int val STATUS_PARAM); -INLINE void set_float_detect_tininess(int val STATUS_PARAM) -{ - STATUS(float_detect_tininess) = val; -} -INLINE void set_flush_to_zero(flag val STATUS_PARAM) -{ - STATUS(flush_to_zero) = val; -} -INLINE void set_flush_inputs_to_zero(flag val STATUS_PARAM) -{ - STATUS(flush_inputs_to_zero) = val; -} -INLINE void set_default_nan_mode(flag val STATUS_PARAM) -{ - STATUS(default_nan_mode) = val; -} -INLINE int get_float_exception_flags(float_status *status) -{ - return STATUS(float_exception_flags); -} -void set_floatx80_rounding_precision(int val STATUS_PARAM); - -/*---------------------------------------------------------------------------- -| Routine to raise any or all of the software IEC/IEEE floating-point -| exception flags. -*----------------------------------------------------------------------------*/ -void float_raise( int8 flags STATUS_PARAM); - -/*---------------------------------------------------------------------------- -| Options to indicate which negations to perform in float*_muladd() -| Using these differs from negating an input or output before calling -| the muladd function in that this means that a NaN doesn't have its -| sign bit inverted before it is propagated. -*----------------------------------------------------------------------------*/ -enum { - float_muladd_negate_c = 1, - float_muladd_negate_product = 2, - float_muladd_negate_result = 4, -}; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE integer-to-floating-point conversion routines. -*----------------------------------------------------------------------------*/ -float32 int32_to_float32( int32 STATUS_PARAM ); -float64 int32_to_float64( int32 STATUS_PARAM ); -float32 uint32_to_float32( uint32 STATUS_PARAM ); -float64 uint32_to_float64( uint32 STATUS_PARAM ); -floatx80 int32_to_floatx80( int32 STATUS_PARAM ); -float128 int32_to_float128( int32 STATUS_PARAM ); -float32 int64_to_float32( int64 STATUS_PARAM ); -float32 uint64_to_float32( uint64 STATUS_PARAM ); -float64 int64_to_float64( int64 STATUS_PARAM ); -float64 uint64_to_float64( uint64 STATUS_PARAM ); -floatx80 int64_to_floatx80( int64 STATUS_PARAM ); -float128 int64_to_float128( int64 STATUS_PARAM ); -float128 uint64_to_float128( uint64 STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software half-precision conversion routines. -*----------------------------------------------------------------------------*/ -float16 float32_to_float16( float32, flag STATUS_PARAM ); -float32 float16_to_float32( float16, flag STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software half-precision operations. -*----------------------------------------------------------------------------*/ -int float16_is_quiet_nan( float16 ); -int float16_is_signaling_nan( float16 ); -float16 float16_maybe_silence_nan( float16 ); - -INLINE int float16_is_any_nan(float16 a) -{ - return ((float16_val(a) & ~0x8000) > 0x7c00); -} - -/*---------------------------------------------------------------------------- -| The pattern for a default generated half-precision NaN. -*----------------------------------------------------------------------------*/ -extern const float16 float16_default_nan; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE single-precision conversion routines. -*----------------------------------------------------------------------------*/ -int_fast16_t float32_to_int16_round_to_zero(float32 STATUS_PARAM); -uint_fast16_t float32_to_uint16_round_to_zero(float32 STATUS_PARAM); -int32 float32_to_int32( float32 STATUS_PARAM ); -int32 float32_to_int32_round_to_zero( float32 STATUS_PARAM ); -uint32 float32_to_uint32( float32 STATUS_PARAM ); -uint32 float32_to_uint32_round_to_zero( float32 STATUS_PARAM ); -int64 float32_to_int64( float32 STATUS_PARAM ); -int64 float32_to_int64_round_to_zero( float32 STATUS_PARAM ); -float64 float32_to_float64( float32 STATUS_PARAM ); -floatx80 float32_to_floatx80( float32 STATUS_PARAM ); -float128 float32_to_float128( float32 STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE single-precision operations. -*----------------------------------------------------------------------------*/ -float32 float32_round_to_int( float32 STATUS_PARAM ); -float32 float32_add( float32, float32 STATUS_PARAM ); -float32 float32_sub( float32, float32 STATUS_PARAM ); -float32 float32_mul( float32, float32 STATUS_PARAM ); -float32 float32_div( float32, float32 STATUS_PARAM ); -float32 float32_rem( float32, float32 STATUS_PARAM ); -float32 float32_muladd(float32, float32, float32, int STATUS_PARAM); -float32 float32_sqrt( float32 STATUS_PARAM ); -float32 float32_exp2( float32 STATUS_PARAM ); -float32 float32_log2( float32 STATUS_PARAM ); -int float32_eq( float32, float32 STATUS_PARAM ); -int float32_le( float32, float32 STATUS_PARAM ); -int float32_lt( float32, float32 STATUS_PARAM ); -int float32_unordered( float32, float32 STATUS_PARAM ); -int float32_eq_quiet( float32, float32 STATUS_PARAM ); -int float32_le_quiet( float32, float32 STATUS_PARAM ); -int float32_lt_quiet( float32, float32 STATUS_PARAM ); -int float32_unordered_quiet( float32, float32 STATUS_PARAM ); -int float32_compare( float32, float32 STATUS_PARAM ); -int float32_compare_quiet( float32, float32 STATUS_PARAM ); -float32 float32_min(float32, float32 STATUS_PARAM); -float32 float32_max(float32, float32 STATUS_PARAM); -int float32_is_quiet_nan( float32 ); -int float32_is_signaling_nan( float32 ); -float32 float32_maybe_silence_nan( float32 ); -float32 float32_scalbn( float32, int STATUS_PARAM ); - -INLINE float32 float32_abs(float32 a) -{ - /* Note that abs does *not* handle NaN specially, nor does - * it flush denormal inputs to zero. - */ - return make_float32(float32_val(a) & 0x7fffffff); -} - -INLINE float32 float32_chs(float32 a) -{ - /* Note that chs does *not* handle NaN specially, nor does - * it flush denormal inputs to zero. - */ - return make_float32(float32_val(a) ^ 0x80000000); -} - -INLINE int float32_is_infinity(float32 a) -{ - return (float32_val(a) & 0x7fffffff) == 0x7f800000; -} - -INLINE int float32_is_neg(float32 a) -{ - return float32_val(a) >> 31; -} - -INLINE int float32_is_zero(float32 a) -{ - return (float32_val(a) & 0x7fffffff) == 0; -} - -INLINE int float32_is_any_nan(float32 a) -{ - return ((float32_val(a) & ~(1 << 31)) > 0x7f800000UL); -} - -INLINE int float32_is_zero_or_denormal(float32 a) -{ - return (float32_val(a) & 0x7f800000) == 0; -} - -INLINE float32 float32_set_sign(float32 a, int sign) -{ - return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31)); -} - -#define float32_zero make_float32(0) -#define float32_one make_float32(0x3f800000) -#define float32_ln2 make_float32(0x3f317218) -#define float32_pi make_float32(0x40490fdb) -#define float32_half make_float32(0x3f000000) -#define float32_infinity make_float32(0x7f800000) - - -/*---------------------------------------------------------------------------- -| The pattern for a default generated single-precision NaN. -*----------------------------------------------------------------------------*/ -extern const float32 float32_default_nan; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE double-precision conversion routines. -*----------------------------------------------------------------------------*/ -int_fast16_t float64_to_int16_round_to_zero(float64 STATUS_PARAM); -uint_fast16_t float64_to_uint16_round_to_zero(float64 STATUS_PARAM); -int32 float64_to_int32( float64 STATUS_PARAM ); -int32 float64_to_int32_round_to_zero( float64 STATUS_PARAM ); -uint32 float64_to_uint32( float64 STATUS_PARAM ); -uint32 float64_to_uint32_round_to_zero( float64 STATUS_PARAM ); -int64 float64_to_int64( float64 STATUS_PARAM ); -int64 float64_to_int64_round_to_zero( float64 STATUS_PARAM ); -uint64 float64_to_uint64 (float64 a STATUS_PARAM); -uint64 float64_to_uint64_round_to_zero (float64 a STATUS_PARAM); -float32 float64_to_float32( float64 STATUS_PARAM ); -floatx80 float64_to_floatx80( float64 STATUS_PARAM ); -float128 float64_to_float128( float64 STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE double-precision operations. -*----------------------------------------------------------------------------*/ -float64 float64_round_to_int( float64 STATUS_PARAM ); -float64 float64_trunc_to_int( float64 STATUS_PARAM ); -float64 float64_add( float64, float64 STATUS_PARAM ); -float64 float64_sub( float64, float64 STATUS_PARAM ); -float64 float64_mul( float64, float64 STATUS_PARAM ); -float64 float64_div( float64, float64 STATUS_PARAM ); -float64 float64_rem( float64, float64 STATUS_PARAM ); -float64 float64_muladd(float64, float64, float64, int STATUS_PARAM); -float64 float64_sqrt( float64 STATUS_PARAM ); -float64 float64_log2( float64 STATUS_PARAM ); -int float64_eq( float64, float64 STATUS_PARAM ); -int float64_le( float64, float64 STATUS_PARAM ); -int float64_lt( float64, float64 STATUS_PARAM ); -int float64_unordered( float64, float64 STATUS_PARAM ); -int float64_eq_quiet( float64, float64 STATUS_PARAM ); -int float64_le_quiet( float64, float64 STATUS_PARAM ); -int float64_lt_quiet( float64, float64 STATUS_PARAM ); -int float64_unordered_quiet( float64, float64 STATUS_PARAM ); -int float64_compare( float64, float64 STATUS_PARAM ); -int float64_compare_quiet( float64, float64 STATUS_PARAM ); -float64 float64_min(float64, float64 STATUS_PARAM); -float64 float64_max(float64, float64 STATUS_PARAM); -int float64_is_quiet_nan( float64 a ); -int float64_is_signaling_nan( float64 ); -float64 float64_maybe_silence_nan( float64 ); -float64 float64_scalbn( float64, int STATUS_PARAM ); - -INLINE float64 float64_abs(float64 a) -{ - /* Note that abs does *not* handle NaN specially, nor does - * it flush denormal inputs to zero. - */ - return make_float64(float64_val(a) & 0x7fffffffffffffffLL); -} - -INLINE float64 float64_chs(float64 a) -{ - /* Note that chs does *not* handle NaN specially, nor does - * it flush denormal inputs to zero. - */ - return make_float64(float64_val(a) ^ 0x8000000000000000LL); -} - -INLINE int float64_is_infinity(float64 a) -{ - return (float64_val(a) & 0x7fffffffffffffffLL ) == 0x7ff0000000000000LL; -} - -INLINE int float64_is_neg(float64 a) -{ - return float64_val(a) >> 63; -} - -INLINE int float64_is_zero(float64 a) -{ - return (float64_val(a) & 0x7fffffffffffffffLL) == 0; -} - -INLINE int float64_is_any_nan(float64 a) -{ - return ((float64_val(a) & ~(1ULL << 63)) > 0x7ff0000000000000ULL); -} - -INLINE int float64_is_zero_or_denormal(float64 a) -{ - return (float64_val(a) & 0x7ff0000000000000LL) == 0; -} - -INLINE float64 float64_set_sign(float64 a, int sign) -{ - return make_float64((float64_val(a) & 0x7fffffffffffffffULL) - | ((int64_t)sign << 63)); -} - -#define float64_zero make_float64(0) -#define float64_one make_float64(0x3ff0000000000000LL) -#define float64_ln2 make_float64(0x3fe62e42fefa39efLL) -#define float64_pi make_float64(0x400921fb54442d18LL) -#define float64_half make_float64(0x3fe0000000000000LL) -#define float64_infinity make_float64(0x7ff0000000000000LL) - -/*---------------------------------------------------------------------------- -| The pattern for a default generated double-precision NaN. -*----------------------------------------------------------------------------*/ -extern const float64 float64_default_nan; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE extended double-precision conversion routines. -*----------------------------------------------------------------------------*/ -int32 floatx80_to_int32( floatx80 STATUS_PARAM ); -int32 floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM ); -int64 floatx80_to_int64( floatx80 STATUS_PARAM ); -int64 floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM ); -float32 floatx80_to_float32( floatx80 STATUS_PARAM ); -float64 floatx80_to_float64( floatx80 STATUS_PARAM ); -float128 floatx80_to_float128( floatx80 STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE extended double-precision operations. -*----------------------------------------------------------------------------*/ -floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM ); -floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_sqrt( floatx80 STATUS_PARAM ); -int floatx80_eq( floatx80, floatx80 STATUS_PARAM ); -int floatx80_le( floatx80, floatx80 STATUS_PARAM ); -int floatx80_lt( floatx80, floatx80 STATUS_PARAM ); -int floatx80_unordered( floatx80, floatx80 STATUS_PARAM ); -int floatx80_eq_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_unordered_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_compare( floatx80, floatx80 STATUS_PARAM ); -int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_is_quiet_nan( floatx80 ); -int floatx80_is_signaling_nan( floatx80 ); -floatx80 floatx80_maybe_silence_nan( floatx80 ); -floatx80 floatx80_scalbn( floatx80, int STATUS_PARAM ); - -INLINE floatx80 floatx80_abs(floatx80 a) -{ - a.high &= 0x7fff; - return a; -} - -INLINE floatx80 floatx80_chs(floatx80 a) -{ - a.high ^= 0x8000; - return a; -} - -INLINE int floatx80_is_infinity(floatx80 a) -{ - return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL; -} - -INLINE int floatx80_is_neg(floatx80 a) -{ - return a.high >> 15; -} - -INLINE int floatx80_is_zero(floatx80 a) -{ - return (a.high & 0x7fff) == 0 && a.low == 0; -} - -INLINE int floatx80_is_zero_or_denormal(floatx80 a) -{ - return (a.high & 0x7fff) == 0; -} - -INLINE int floatx80_is_any_nan(floatx80 a) -{ - return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); -} - -#define floatx80_zero make_floatx80(0x0000, 0x0000000000000000LL) -#define floatx80_one make_floatx80(0x3fff, 0x8000000000000000LL) -#define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL) -#define floatx80_pi make_floatx80(0x4000, 0xc90fdaa22168c235LL) -#define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL) -#define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL) - -/*---------------------------------------------------------------------------- -| The pattern for a default generated extended double-precision NaN. -*----------------------------------------------------------------------------*/ -extern const floatx80 floatx80_default_nan; - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE quadruple-precision conversion routines. -*----------------------------------------------------------------------------*/ -int32 float128_to_int32( float128 STATUS_PARAM ); -int32 float128_to_int32_round_to_zero( float128 STATUS_PARAM ); -int64 float128_to_int64( float128 STATUS_PARAM ); -int64 float128_to_int64_round_to_zero( float128 STATUS_PARAM ); -float32 float128_to_float32( float128 STATUS_PARAM ); -float64 float128_to_float64( float128 STATUS_PARAM ); -floatx80 float128_to_floatx80( float128 STATUS_PARAM ); - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE quadruple-precision operations. -*----------------------------------------------------------------------------*/ -float128 float128_round_to_int( float128 STATUS_PARAM ); -float128 float128_add( float128, float128 STATUS_PARAM ); -float128 float128_sub( float128, float128 STATUS_PARAM ); -float128 float128_mul( float128, float128 STATUS_PARAM ); -float128 float128_div( float128, float128 STATUS_PARAM ); -float128 float128_rem( float128, float128 STATUS_PARAM ); -float128 float128_sqrt( float128 STATUS_PARAM ); -int float128_eq( float128, float128 STATUS_PARAM ); -int float128_le( float128, float128 STATUS_PARAM ); -int float128_lt( float128, float128 STATUS_PARAM ); -int float128_unordered( float128, float128 STATUS_PARAM ); -int float128_eq_quiet( float128, float128 STATUS_PARAM ); -int float128_le_quiet( float128, float128 STATUS_PARAM ); -int float128_lt_quiet( float128, float128 STATUS_PARAM ); -int float128_unordered_quiet( float128, float128 STATUS_PARAM ); -int float128_compare( float128, float128 STATUS_PARAM ); -int float128_compare_quiet( float128, float128 STATUS_PARAM ); -int float128_is_quiet_nan( float128 ); -int float128_is_signaling_nan( float128 ); -float128 float128_maybe_silence_nan( float128 ); -float128 float128_scalbn( float128, int STATUS_PARAM ); - -INLINE float128 float128_abs(float128 a) -{ - a.high &= 0x7fffffffffffffffLL; - return a; -} - -INLINE float128 float128_chs(float128 a) -{ - a.high ^= 0x8000000000000000LL; - return a; -} - -INLINE int float128_is_infinity(float128 a) -{ - return (a.high & 0x7fffffffffffffffLL) == 0x7fff000000000000LL && a.low == 0; -} - -INLINE int float128_is_neg(float128 a) -{ - return a.high >> 63; -} - -INLINE int float128_is_zero(float128 a) -{ - return (a.high & 0x7fffffffffffffffLL) == 0 && a.low == 0; -} - -INLINE int float128_is_zero_or_denormal(float128 a) -{ - return (a.high & 0x7fff000000000000LL) == 0; -} - -INLINE int float128_is_any_nan(float128 a) -{ - return ((a.high >> 48) & 0x7fff) == 0x7fff && - ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); -} - -#define float128_zero make_float128(0, 0) - -/*---------------------------------------------------------------------------- -| The pattern for a default generated quadruple-precision NaN. -*----------------------------------------------------------------------------*/ -extern const float128 float128_default_nan; - -#endif /* !SOFTFLOAT_H */ diff --git a/contrib/qemu/include/glib-compat.h b/contrib/qemu/include/glib-compat.h deleted file mode 100644 index 8aa77afd626..00000000000 --- a/contrib/qemu/include/glib-compat.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * GLIB Compatibility Functions - * - * Copyright IBM, Corp. 2013 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_GLIB_COMPAT_H -#define QEMU_GLIB_COMPAT_H - -#include <glib.h> - -#if !GLIB_CHECK_VERSION(2, 14, 0) -static inline guint g_timeout_add_seconds(guint interval, GSourceFunc function, - gpointer data) -{ - return g_timeout_add(interval * 1000, function, data); -} -#endif - -#endif diff --git a/contrib/qemu/include/migration/migration.h b/contrib/qemu/include/migration/migration.h deleted file mode 100644 index bc9fde0b2ab..00000000000 --- a/contrib/qemu/include/migration/migration.h +++ /dev/null @@ -1,157 +0,0 @@ -/* - * QEMU live migration - * - * Copyright IBM, Corp. 2008 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_MIGRATION_H -#define QEMU_MIGRATION_H - -#include "qapi/qmp/qdict.h" -#include "qemu-common.h" -#include "qemu/thread.h" -#include "qemu/notify.h" -#include "qapi/error.h" -#include "migration/vmstate.h" -#include "qapi-types.h" -#include "exec/cpu-common.h" - -struct MigrationParams { - bool blk; - bool shared; -}; - -typedef struct MigrationState MigrationState; - -struct MigrationState -{ - int64_t bandwidth_limit; - size_t bytes_xfer; - size_t xfer_limit; - QemuThread thread; - QEMUBH *cleanup_bh; - QEMUFile *file; - - int state; - MigrationParams params; - double mbps; - int64_t total_time; - int64_t downtime; - int64_t expected_downtime; - int64_t dirty_pages_rate; - int64_t dirty_bytes_rate; - bool enabled_capabilities[MIGRATION_CAPABILITY_MAX]; - int64_t xbzrle_cache_size; -}; - -void process_incoming_migration(QEMUFile *f); - -void qemu_start_incoming_migration(const char *uri, Error **errp); - -uint64_t migrate_max_downtime(void); - -void do_info_migrate_print(Monitor *mon, const QObject *data); - -void do_info_migrate(Monitor *mon, QObject **ret_data); - -void exec_start_incoming_migration(const char *host_port, Error **errp); - -void exec_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); - -void tcp_start_incoming_migration(const char *host_port, Error **errp); - -void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); - -void unix_start_incoming_migration(const char *path, Error **errp); - -void unix_start_outgoing_migration(MigrationState *s, const char *path, Error **errp); - -void fd_start_incoming_migration(const char *path, Error **errp); - -void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp); - -void migrate_fd_error(MigrationState *s); - -void migrate_fd_connect(MigrationState *s); - -int migrate_fd_close(MigrationState *s); - -void add_migration_state_change_notifier(Notifier *notify); -void remove_migration_state_change_notifier(Notifier *notify); -bool migration_is_active(MigrationState *); -bool migration_has_finished(MigrationState *); -bool migration_has_failed(MigrationState *); -MigrationState *migrate_get_current(void); - -uint64_t ram_bytes_remaining(void); -uint64_t ram_bytes_transferred(void); -uint64_t ram_bytes_total(void); - -void acct_update_position(QEMUFile *f, size_t size, bool zero); - -extern SaveVMHandlers savevm_ram_handlers; - -uint64_t dup_mig_bytes_transferred(void); -uint64_t dup_mig_pages_transferred(void); -uint64_t skipped_mig_bytes_transferred(void); -uint64_t skipped_mig_pages_transferred(void); -uint64_t norm_mig_bytes_transferred(void); -uint64_t norm_mig_pages_transferred(void); -uint64_t xbzrle_mig_bytes_transferred(void); -uint64_t xbzrle_mig_pages_transferred(void); -uint64_t xbzrle_mig_pages_overflow(void); -uint64_t xbzrle_mig_pages_cache_miss(void); - -/** - * @migrate_add_blocker - prevent migration from proceeding - * - * @reason - an error to be returned whenever migration is attempted - */ -void migrate_add_blocker(Error *reason); - -/** - * @migrate_del_blocker - remove a blocking error from migration - * - * @reason - the error blocking migration - */ -void migrate_del_blocker(Error *reason); - -bool migrate_rdma_pin_all(void); - -bool migrate_auto_converge(void); - -int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, - uint8_t *dst, int dlen); -int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen); - -int migrate_use_xbzrle(void); -int64_t migrate_xbzrle_cache_size(void); - -int64_t xbzrle_cache_resize(int64_t new_size); - -void ram_control_before_iterate(QEMUFile *f, uint64_t flags); -void ram_control_after_iterate(QEMUFile *f, uint64_t flags); -void ram_control_load_hook(QEMUFile *f, uint64_t flags); - -/* Whenever this is found in the data stream, the flags - * will be passed to ram_control_load_hook in the incoming-migration - * side. This lets before_ram_iterate/after_ram_iterate add - * transport-specific sections to the RAM migration data. - */ -#define RAM_SAVE_FLAG_HOOK 0x80 - -#define RAM_SAVE_CONTROL_NOT_SUPP -1000 -#define RAM_SAVE_CONTROL_DELAYED -2000 - -size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset, - ram_addr_t offset, size_t size, - int *bytes_sent); - -#endif diff --git a/contrib/qemu/include/migration/qemu-file.h b/contrib/qemu/include/migration/qemu-file.h deleted file mode 100644 index 0f757fbeb63..00000000000 --- a/contrib/qemu/include/migration/qemu-file.h +++ /dev/null @@ -1,266 +0,0 @@ -/* - * QEMU System Emulator - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef QEMU_FILE_H -#define QEMU_FILE_H 1 -#include "exec/cpu-common.h" - -/* This function writes a chunk of data to a file at the given position. - * The pos argument can be ignored if the file is only being used for - * streaming. The handler should try to write all of the data it can. - */ -typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf, - int64_t pos, int size); - -/* Read a chunk of data from a file at the given position. The pos argument - * can be ignored if the file is only be used for streaming. The number of - * bytes actually read should be returned. - */ -typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf, - int64_t pos, int size); - -/* Close a file - * - * Return negative error number on error, 0 or positive value on success. - * - * The meaning of return value on success depends on the specific back-end being - * used. - */ -typedef int (QEMUFileCloseFunc)(void *opaque); - -/* Called to return the OS file descriptor associated to the QEMUFile. - */ -typedef int (QEMUFileGetFD)(void *opaque); - -/* - * This function writes an iovec to file. - */ -typedef ssize_t (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov, - int iovcnt, int64_t pos); - -/* - * This function provides hooks around different - * stages of RAM migration. - */ -typedef int (QEMURamHookFunc)(QEMUFile *f, void *opaque, uint64_t flags); - -/* - * Constants used by ram_control_* hooks - */ -#define RAM_CONTROL_SETUP 0 -#define RAM_CONTROL_ROUND 1 -#define RAM_CONTROL_HOOK 2 -#define RAM_CONTROL_FINISH 3 - -/* - * This function allows override of where the RAM page - * is saved (such as RDMA, for example.) - */ -typedef size_t (QEMURamSaveFunc)(QEMUFile *f, void *opaque, - ram_addr_t block_offset, - ram_addr_t offset, - size_t size, - int *bytes_sent); - -typedef struct QEMUFileOps { - QEMUFilePutBufferFunc *put_buffer; - QEMUFileGetBufferFunc *get_buffer; - QEMUFileCloseFunc *close; - QEMUFileGetFD *get_fd; - QEMUFileWritevBufferFunc *writev_buffer; - QEMURamHookFunc *before_ram_iterate; - QEMURamHookFunc *after_ram_iterate; - QEMURamHookFunc *hook_ram_load; - QEMURamSaveFunc *save_page; -} QEMUFileOps; - -QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops); -QEMUFile *qemu_fopen(const char *filename, const char *mode); -QEMUFile *qemu_fdopen(int fd, const char *mode); -QEMUFile *qemu_fopen_socket(int fd, const char *mode); -QEMUFile *qemu_popen_cmd(const char *command, const char *mode); -int qemu_get_fd(QEMUFile *f); -int qemu_fclose(QEMUFile *f); -int64_t qemu_ftell(QEMUFile *f); -void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size); -void qemu_put_byte(QEMUFile *f, int v); -/* - * put_buffer without copying the buffer. - * The buffer should be available till it is sent asynchronously. - */ -void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, int size); -bool qemu_file_mode_is_not_valid(const char *mode); - -static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v) -{ - qemu_put_byte(f, (int)v); -} - -#define qemu_put_sbyte qemu_put_byte - -void qemu_put_be16(QEMUFile *f, unsigned int v); -void qemu_put_be32(QEMUFile *f, unsigned int v); -void qemu_put_be64(QEMUFile *f, uint64_t v); -int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size); -int qemu_get_byte(QEMUFile *f); -void qemu_update_position(QEMUFile *f, size_t size); - -static inline unsigned int qemu_get_ubyte(QEMUFile *f) -{ - return (unsigned int)qemu_get_byte(f); -} - -#define qemu_get_sbyte qemu_get_byte - -unsigned int qemu_get_be16(QEMUFile *f); -unsigned int qemu_get_be32(QEMUFile *f); -uint64_t qemu_get_be64(QEMUFile *f); - -int qemu_file_rate_limit(QEMUFile *f); -void qemu_file_reset_rate_limit(QEMUFile *f); -void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate); -int64_t qemu_file_get_rate_limit(QEMUFile *f); -int qemu_file_get_error(QEMUFile *f); -void qemu_fflush(QEMUFile *f); - -static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv) -{ - qemu_put_be64(f, *pv); -} - -static inline void qemu_put_be32s(QEMUFile *f, const uint32_t *pv) -{ - qemu_put_be32(f, *pv); -} - -static inline void qemu_put_be16s(QEMUFile *f, const uint16_t *pv) -{ - qemu_put_be16(f, *pv); -} - -static inline void qemu_put_8s(QEMUFile *f, const uint8_t *pv) -{ - qemu_put_byte(f, *pv); -} - -static inline void qemu_get_be64s(QEMUFile *f, uint64_t *pv) -{ - *pv = qemu_get_be64(f); -} - -static inline void qemu_get_be32s(QEMUFile *f, uint32_t *pv) -{ - *pv = qemu_get_be32(f); -} - -static inline void qemu_get_be16s(QEMUFile *f, uint16_t *pv) -{ - *pv = qemu_get_be16(f); -} - -static inline void qemu_get_8s(QEMUFile *f, uint8_t *pv) -{ - *pv = qemu_get_byte(f); -} - -// Signed versions for type safety -static inline void qemu_put_sbuffer(QEMUFile *f, const int8_t *buf, int size) -{ - qemu_put_buffer(f, (const uint8_t *)buf, size); -} - -static inline void qemu_put_sbe16(QEMUFile *f, int v) -{ - qemu_put_be16(f, (unsigned int)v); -} - -static inline void qemu_put_sbe32(QEMUFile *f, int v) -{ - qemu_put_be32(f, (unsigned int)v); -} - -static inline void qemu_put_sbe64(QEMUFile *f, int64_t v) -{ - qemu_put_be64(f, (uint64_t)v); -} - -static inline size_t qemu_get_sbuffer(QEMUFile *f, int8_t *buf, int size) -{ - return qemu_get_buffer(f, (uint8_t *)buf, size); -} - -static inline int qemu_get_sbe16(QEMUFile *f) -{ - return (int)qemu_get_be16(f); -} - -static inline int qemu_get_sbe32(QEMUFile *f) -{ - return (int)qemu_get_be32(f); -} - -static inline int64_t qemu_get_sbe64(QEMUFile *f) -{ - return (int64_t)qemu_get_be64(f); -} - -static inline void qemu_put_s8s(QEMUFile *f, const int8_t *pv) -{ - qemu_put_8s(f, (const uint8_t *)pv); -} - -static inline void qemu_put_sbe16s(QEMUFile *f, const int16_t *pv) -{ - qemu_put_be16s(f, (const uint16_t *)pv); -} - -static inline void qemu_put_sbe32s(QEMUFile *f, const int32_t *pv) -{ - qemu_put_be32s(f, (const uint32_t *)pv); -} - -static inline void qemu_put_sbe64s(QEMUFile *f, const int64_t *pv) -{ - qemu_put_be64s(f, (const uint64_t *)pv); -} - -static inline void qemu_get_s8s(QEMUFile *f, int8_t *pv) -{ - qemu_get_8s(f, (uint8_t *)pv); -} - -static inline void qemu_get_sbe16s(QEMUFile *f, int16_t *pv) -{ - qemu_get_be16s(f, (uint16_t *)pv); -} - -static inline void qemu_get_sbe32s(QEMUFile *f, int32_t *pv) -{ - qemu_get_be32s(f, (uint32_t *)pv); -} - -static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv) -{ - qemu_get_be64s(f, (uint64_t *)pv); -} -#endif diff --git a/contrib/qemu/include/migration/vmstate.h b/contrib/qemu/include/migration/vmstate.h deleted file mode 100644 index 1c31b5d6fb5..00000000000 --- a/contrib/qemu/include/migration/vmstate.h +++ /dev/null @@ -1,740 +0,0 @@ -/* - * QEMU migration/snapshot declarations - * - * Copyright (c) 2009-2011 Red Hat, Inc. - * - * Original author: Juan Quintela <quintela@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef QEMU_VMSTATE_H -#define QEMU_VMSTATE_H 1 - -#ifndef CONFIG_USER_ONLY -#include <migration/qemu-file.h> -#endif - -typedef void SaveStateHandler(QEMUFile *f, void *opaque); -typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); - -typedef struct SaveVMHandlers { - /* This runs inside the iothread lock. */ - void (*set_params)(const MigrationParams *params, void * opaque); - SaveStateHandler *save_state; - - void (*cancel)(void *opaque); - int (*save_live_complete)(QEMUFile *f, void *opaque); - - /* This runs both outside and inside the iothread lock. */ - bool (*is_active)(void *opaque); - - /* This runs outside the iothread lock in the migration case, and - * within the lock in the savevm case. The callback had better only - * use data that is local to the migration thread or protected - * by other locks. - */ - int (*save_live_iterate)(QEMUFile *f, void *opaque); - - /* This runs outside the iothread lock! */ - int (*save_live_setup)(QEMUFile *f, void *opaque); - uint64_t (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t max_size); - - LoadStateHandler *load_state; -} SaveVMHandlers; - -int register_savevm(DeviceState *dev, - const char *idstr, - int instance_id, - int version_id, - SaveStateHandler *save_state, - LoadStateHandler *load_state, - void *opaque); - -int register_savevm_live(DeviceState *dev, - const char *idstr, - int instance_id, - int version_id, - SaveVMHandlers *ops, - void *opaque); - -void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque); -void register_device_unmigratable(DeviceState *dev, const char *idstr, - void *opaque); - - -typedef struct VMStateInfo VMStateInfo; -typedef struct VMStateDescription VMStateDescription; - -struct VMStateInfo { - const char *name; - int (*get)(QEMUFile *f, void *pv, size_t size); - void (*put)(QEMUFile *f, void *pv, size_t size); -}; - -enum VMStateFlags { - VMS_SINGLE = 0x001, - VMS_POINTER = 0x002, - VMS_ARRAY = 0x004, - VMS_STRUCT = 0x008, - VMS_VARRAY_INT32 = 0x010, /* Array with size in int32_t field*/ - VMS_BUFFER = 0x020, /* static sized buffer */ - VMS_ARRAY_OF_POINTER = 0x040, - VMS_VARRAY_UINT16 = 0x080, /* Array with size in uint16_t field */ - VMS_VBUFFER = 0x100, /* Buffer with size in int32_t field */ - VMS_MULTIPLY = 0x200, /* multiply "size" field by field_size */ - VMS_VARRAY_UINT8 = 0x400, /* Array with size in uint8_t field*/ - VMS_VARRAY_UINT32 = 0x800, /* Array with size in uint32_t field*/ -}; - -typedef struct { - const char *name; - size_t offset; - size_t size; - size_t start; - int num; - size_t num_offset; - size_t size_offset; - const VMStateInfo *info; - enum VMStateFlags flags; - const VMStateDescription *vmsd; - int version_id; - bool (*field_exists)(void *opaque, int version_id); -} VMStateField; - -typedef struct VMStateSubsection { - const VMStateDescription *vmsd; - bool (*needed)(void *opaque); -} VMStateSubsection; - -struct VMStateDescription { - const char *name; - int unmigratable; - int version_id; - int minimum_version_id; - int minimum_version_id_old; - LoadStateHandler *load_state_old; - int (*pre_load)(void *opaque); - int (*post_load)(void *opaque, int version_id); - void (*pre_save)(void *opaque); - VMStateField *fields; - const VMStateSubsection *subsections; -}; - -#ifdef CONFIG_USER_ONLY -extern const VMStateDescription vmstate_dummy; -#endif - -extern const VMStateInfo vmstate_info_bool; - -extern const VMStateInfo vmstate_info_int8; -extern const VMStateInfo vmstate_info_int16; -extern const VMStateInfo vmstate_info_int32; -extern const VMStateInfo vmstate_info_int64; - -extern const VMStateInfo vmstate_info_uint8_equal; -extern const VMStateInfo vmstate_info_uint16_equal; -extern const VMStateInfo vmstate_info_int32_equal; -extern const VMStateInfo vmstate_info_uint32_equal; -extern const VMStateInfo vmstate_info_uint64_equal; -extern const VMStateInfo vmstate_info_int32_le; - -extern const VMStateInfo vmstate_info_uint8; -extern const VMStateInfo vmstate_info_uint16; -extern const VMStateInfo vmstate_info_uint32; -extern const VMStateInfo vmstate_info_uint64; - -extern const VMStateInfo vmstate_info_float64; - -extern const VMStateInfo vmstate_info_timer; -extern const VMStateInfo vmstate_info_buffer; -extern const VMStateInfo vmstate_info_unused_buffer; -extern const VMStateInfo vmstate_info_bitmap; - -#define type_check_2darray(t1,t2,n,m) ((t1(*)[n][m])0 - (t2*)0) -#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0) -#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0) - -#define vmstate_offset_value(_state, _field, _type) \ - (offsetof(_state, _field) + \ - type_check(_type, typeof_field(_state, _field))) - -#define vmstate_offset_pointer(_state, _field, _type) \ - (offsetof(_state, _field) + \ - type_check_pointer(_type, typeof_field(_state, _field))) - -#define vmstate_offset_array(_state, _field, _type, _num) \ - (offsetof(_state, _field) + \ - type_check_array(_type, typeof_field(_state, _field), _num)) - -#define vmstate_offset_2darray(_state, _field, _type, _n1, _n2) \ - (offsetof(_state, _field) + \ - type_check_2darray(_type, typeof_field(_state, _field), _n1, _n2)) - -#define vmstate_offset_sub_array(_state, _field, _type, _start) \ - (offsetof(_state, _field[_start])) - -#define vmstate_offset_buffer(_state, _field) \ - vmstate_offset_array(_state, _field, uint8_t, \ - sizeof(typeof_field(_state, _field))) - -#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size = sizeof(_type), \ - .info = &(_info), \ - .flags = VMS_SINGLE, \ - .offset = vmstate_offset_value(_state, _field, _type), \ -} - -#define VMSTATE_POINTER(_field, _state, _version, _info, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_SINGLE|VMS_POINTER, \ - .offset = vmstate_offset_value(_state, _field, _type), \ -} - -#define VMSTATE_POINTER_TEST(_field, _state, _test, _info, _type) { \ - .name = (stringify(_field)), \ - .info = &(_info), \ - .field_exists = (_test), \ - .size = sizeof(_type), \ - .flags = VMS_SINGLE|VMS_POINTER, \ - .offset = vmstate_offset_value(_state, _field, _type), \ -} - -#define VMSTATE_ARRAY(_field, _state, _num, _version, _info, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_num), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY, \ - .offset = vmstate_offset_array(_state, _field, _type, _num), \ -} - -#define VMSTATE_2DARRAY(_field, _state, _n1, _n2, _version, _info, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_n1) * (_n2), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY, \ - .offset = vmstate_offset_2darray(_state, _field, _type, _n1, _n2), \ -} - -#define VMSTATE_ARRAY_TEST(_field, _state, _num, _test, _info, _type) {\ - .name = (stringify(_field)), \ - .field_exists = (_test), \ - .num = (_num), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY, \ - .offset = vmstate_offset_array(_state, _field, _type, _num),\ -} - -#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_num), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY, \ - .offset = vmstate_offset_sub_array(_state, _field, _type, _start), \ -} - -#define VMSTATE_ARRAY_INT32_UNSAFE(_field, _state, _field_num, _info, _type) {\ - .name = (stringify(_field)), \ - .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_VARRAY_INT32, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_VARRAY_INT32|VMS_POINTER, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_VARRAY_UINT32(_field, _state, _field_num, _version, _info, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_VARRAY_UINT32|VMS_POINTER, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_VARRAY_UINT16_UNSAFE(_field, _state, _field_num, _version, _info, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_VARRAY_UINT16, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT, \ - .offset = vmstate_offset_value(_state, _field, _type), \ -} - -#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .field_exists = (_test), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_POINTER, \ - .offset = vmstate_offset_value(_state, _field, _type), \ -} - -#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .num = (_num), \ - .info = &(_info), \ - .size = sizeof(_type), \ - .flags = VMS_ARRAY|VMS_ARRAY_OF_POINTER, \ - .offset = vmstate_offset_array(_state, _field, _type, _num), \ -} - -#define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .num = (_num), \ - .field_exists = (_test), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_ARRAY, \ - .offset = vmstate_offset_array(_state, _field, _type, _num),\ -} - -#define VMSTATE_STRUCT_VARRAY_UINT8(_field, _state, _field_num, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .num_offset = vmstate_offset_value(_state, _field_num, uint8_t), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_VARRAY_UINT8, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_STRUCT_VARRAY_POINTER_INT32(_field, _state, _field_num, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = 0, \ - .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ - .size = sizeof(_type), \ - .vmsd = &(_vmsd), \ - .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_STRUCT_VARRAY_POINTER_UINT32(_field, _state, _field_num, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = 0, \ - .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\ - .size = sizeof(_type), \ - .vmsd = &(_vmsd), \ - .flags = VMS_POINTER | VMS_VARRAY_INT32 | VMS_STRUCT, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_STRUCT_VARRAY_POINTER_UINT16(_field, _state, _field_num, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .version_id = 0, \ - .num_offset = vmstate_offset_value(_state, _field_num, uint16_t),\ - .size = sizeof(_type), \ - .vmsd = &(_vmsd), \ - .flags = VMS_POINTER | VMS_VARRAY_UINT16 | VMS_STRUCT, \ - .offset = vmstate_offset_pointer(_state, _field, _type), \ -} - -#define VMSTATE_STRUCT_VARRAY_INT32(_field, _state, _field_num, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .num_offset = vmstate_offset_value(_state, _field_num, int32_t), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_VARRAY_INT32, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_STRUCT_VARRAY_UINT32(_field, _state, _field_num, _version, _vmsd, _type) { \ - .name = (stringify(_field)), \ - .num_offset = vmstate_offset_value(_state, _field_num, uint32_t), \ - .version_id = (_version), \ - .vmsd = &(_vmsd), \ - .size = sizeof(_type), \ - .flags = VMS_STRUCT|VMS_VARRAY_UINT32, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_STATIC_BUFFER(_field, _state, _version, _test, _start, _size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size = (_size - _start), \ - .info = &vmstate_info_buffer, \ - .flags = VMS_BUFFER, \ - .offset = vmstate_offset_buffer(_state, _field) + _start, \ -} - -#define VMSTATE_VBUFFER_MULTIPLY(_field, _state, _version, _test, _start, _field_size, _multiply) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ - .size = (_multiply), \ - .info = &vmstate_info_buffer, \ - .flags = VMS_VBUFFER|VMS_POINTER|VMS_MULTIPLY, \ - .offset = offsetof(_state, _field), \ - .start = (_start), \ -} - -#define VMSTATE_VBUFFER(_field, _state, _version, _test, _start, _field_size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ - .info = &vmstate_info_buffer, \ - .flags = VMS_VBUFFER|VMS_POINTER, \ - .offset = offsetof(_state, _field), \ - .start = (_start), \ -} - -#define VMSTATE_VBUFFER_UINT32(_field, _state, _version, _test, _start, _field_size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .field_exists = (_test), \ - .size_offset = vmstate_offset_value(_state, _field_size, uint32_t),\ - .info = &vmstate_info_buffer, \ - .flags = VMS_VBUFFER|VMS_POINTER, \ - .offset = offsetof(_state, _field), \ - .start = (_start), \ -} - -#define VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, _info, _size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .size = (_size), \ - .info = &(_info), \ - .flags = VMS_BUFFER, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_BUFFER_POINTER_UNSAFE(_field, _state, _version, _size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .size = (_size), \ - .info = &vmstate_info_buffer, \ - .flags = VMS_BUFFER|VMS_POINTER, \ - .offset = offsetof(_state, _field), \ -} - -#define VMSTATE_UNUSED_BUFFER(_test, _version, _size) { \ - .name = "unused", \ - .field_exists = (_test), \ - .version_id = (_version), \ - .size = (_size), \ - .info = &vmstate_info_unused_buffer, \ - .flags = VMS_BUFFER, \ -} - -/* _field_size should be a int32_t field in the _state struct giving the - * size of the bitmap _field in bits. - */ -#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \ - .name = (stringify(_field)), \ - .version_id = (_version), \ - .size_offset = vmstate_offset_value(_state, _field_size, int32_t),\ - .info = &vmstate_info_bitmap, \ - .flags = VMS_VBUFFER|VMS_POINTER, \ - .offset = offsetof(_state, _field), \ -} - -/* _f : field name - _f_n : num of elements field_name - _n : num of elements - _s : struct state name - _v : version -*/ - -#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \ - VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type) - -#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \ - VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type) - -#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \ - VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type) - -#define VMSTATE_STRUCT_ARRAY(_field, _state, _num, _version, _vmsd, _type) \ - VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, NULL, _version, \ - _vmsd, _type) - -#define VMSTATE_BOOL_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_bool, bool) - -#define VMSTATE_INT8_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t) -#define VMSTATE_INT16_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int16, int16_t) -#define VMSTATE_INT32_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int32, int32_t) -#define VMSTATE_INT64_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int64, int64_t) - -#define VMSTATE_UINT8_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint8, uint8_t) -#define VMSTATE_UINT16_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16, uint16_t) -#define VMSTATE_UINT32_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32, uint32_t) -#define VMSTATE_UINT64_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64, uint64_t) - -#define VMSTATE_BOOL(_f, _s) \ - VMSTATE_BOOL_V(_f, _s, 0) - -#define VMSTATE_INT8(_f, _s) \ - VMSTATE_INT8_V(_f, _s, 0) -#define VMSTATE_INT16(_f, _s) \ - VMSTATE_INT16_V(_f, _s, 0) -#define VMSTATE_INT32(_f, _s) \ - VMSTATE_INT32_V(_f, _s, 0) -#define VMSTATE_INT64(_f, _s) \ - VMSTATE_INT64_V(_f, _s, 0) - -#define VMSTATE_UINT8(_f, _s) \ - VMSTATE_UINT8_V(_f, _s, 0) -#define VMSTATE_UINT16(_f, _s) \ - VMSTATE_UINT16_V(_f, _s, 0) -#define VMSTATE_UINT32(_f, _s) \ - VMSTATE_UINT32_V(_f, _s, 0) -#define VMSTATE_UINT64(_f, _s) \ - VMSTATE_UINT64_V(_f, _s, 0) - -#define VMSTATE_UINT8_EQUAL(_f, _s) \ - VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t) - -#define VMSTATE_UINT16_EQUAL(_f, _s) \ - VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint16_equal, uint16_t) - -#define VMSTATE_UINT16_EQUAL_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint16_equal, uint16_t) - -#define VMSTATE_INT32_EQUAL(_f, _s) \ - VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t) - -#define VMSTATE_UINT32_EQUAL_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint32_equal, uint32_t) - -#define VMSTATE_UINT32_EQUAL(_f, _s) \ - VMSTATE_UINT32_EQUAL_V(_f, _s, 0) - -#define VMSTATE_UINT64_EQUAL_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_uint64_equal, uint64_t) - -#define VMSTATE_UINT64_EQUAL(_f, _s) \ - VMSTATE_UINT64_EQUAL_V(_f, _s, 0) - -#define VMSTATE_INT32_LE(_f, _s) \ - VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t) - -#define VMSTATE_UINT8_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint8, uint8_t) - -#define VMSTATE_UINT16_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint16, uint16_t) - -#define VMSTATE_UINT32_TEST(_f, _s, _t) \ - VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) - - -#define VMSTATE_FLOAT64_V(_f, _s, _v) \ - VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) - -#define VMSTATE_FLOAT64(_f, _s) \ - VMSTATE_FLOAT64_V(_f, _s, 0) - -#define VMSTATE_TIMER_TEST(_f, _s, _test) \ - VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_TIMER_V(_f, _s, _v) \ - VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_TIMER(_f, _s) \ - VMSTATE_TIMER_V(_f, _s, 0) - -#define VMSTATE_TIMER_ARRAY(_f, _s, _n) \ - VMSTATE_ARRAY_OF_POINTER(_f, _s, _n, 0, vmstate_info_timer, QEMUTimer *) - -#define VMSTATE_BOOL_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_bool, bool) - -#define VMSTATE_BOOL_ARRAY(_f, _s, _n) \ - VMSTATE_BOOL_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT16_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint16, uint16_t) - -#define VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, _v) \ - VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint16, uint16_t) - -#define VMSTATE_UINT16_ARRAY(_f, _s, _n) \ - VMSTATE_UINT16_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT16_2DARRAY(_f, _s, _n1, _n2) \ - VMSTATE_UINT16_2DARRAY_V(_f, _s, _n1, _n2, 0) - -#define VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, _v) \ - VMSTATE_2DARRAY(_f, _s, _n1, _n2, _v, vmstate_info_uint8, uint8_t) - -#define VMSTATE_UINT8_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint8, uint8_t) - -#define VMSTATE_UINT8_ARRAY(_f, _s, _n) \ - VMSTATE_UINT8_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT8_2DARRAY(_f, _s, _n1, _n2) \ - VMSTATE_UINT8_2DARRAY_V(_f, _s, _n1, _n2, 0) - -#define VMSTATE_UINT32_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint32, uint32_t) - -#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ - VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT64_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_uint64, uint64_t) - -#define VMSTATE_UINT64_ARRAY(_f, _s, _n) \ - VMSTATE_UINT64_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_INT16_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int16, int16_t) - -#define VMSTATE_INT16_ARRAY(_f, _s, _n) \ - VMSTATE_INT16_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_INT32_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int32, int32_t) - -#define VMSTATE_INT32_ARRAY(_f, _s, _n) \ - VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \ - VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t) - -#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \ - VMSTATE_UINT32_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_INT64_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_int64, int64_t) - -#define VMSTATE_INT64_ARRAY(_f, _s, _n) \ - VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ - VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) - -#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ - VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) - -#define VMSTATE_BUFFER_V(_f, _s, _v) \ - VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) - -#define VMSTATE_BUFFER(_f, _s) \ - VMSTATE_BUFFER_V(_f, _s, 0) - -#define VMSTATE_PARTIAL_BUFFER(_f, _s, _size) \ - VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, 0, _size) - -#define VMSTATE_BUFFER_START_MIDDLE(_f, _s, _start) \ - VMSTATE_STATIC_BUFFER(_f, _s, 0, NULL, _start, sizeof(typeof_field(_s, _f))) - -#define VMSTATE_PARTIAL_VBUFFER(_f, _s, _size) \ - VMSTATE_VBUFFER(_f, _s, 0, NULL, 0, _size) - -#define VMSTATE_PARTIAL_VBUFFER_UINT32(_f, _s, _size) \ - VMSTATE_VBUFFER_UINT32(_f, _s, 0, NULL, 0, _size) - -#define VMSTATE_SUB_VBUFFER(_f, _s, _start, _size) \ - VMSTATE_VBUFFER(_f, _s, 0, NULL, _start, _size) - -#define VMSTATE_BUFFER_TEST(_f, _s, _test) \ - VMSTATE_STATIC_BUFFER(_f, _s, 0, _test, 0, sizeof(typeof_field(_s, _f))) - -#define VMSTATE_BUFFER_UNSAFE(_field, _state, _version, _size) \ - VMSTATE_BUFFER_UNSAFE_INFO(_field, _state, _version, vmstate_info_buffer, _size) - -#define VMSTATE_UNUSED_V(_v, _size) \ - VMSTATE_UNUSED_BUFFER(NULL, _v, _size) - -#define VMSTATE_UNUSED(_size) \ - VMSTATE_UNUSED_V(0, _size) - -#define VMSTATE_UNUSED_TEST(_test, _size) \ - VMSTATE_UNUSED_BUFFER(_test, 0, _size) - -#define VMSTATE_END_OF_LIST() \ - {} - -int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque, int version_id); -void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, - void *opaque); - -int vmstate_register_with_alias_id(DeviceState *dev, int instance_id, - const VMStateDescription *vmsd, - void *base, int alias_id, - int required_for_version); - -static inline int vmstate_register(DeviceState *dev, int instance_id, - const VMStateDescription *vmsd, - void *opaque) -{ - return vmstate_register_with_alias_id(dev, instance_id, vmsd, - opaque, -1, 0); -} - -void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd, - void *opaque); - -struct MemoryRegion; -void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); -void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); -void vmstate_register_ram_global(struct MemoryRegion *memory); - -#endif diff --git a/contrib/qemu/include/monitor/monitor.h b/contrib/qemu/include/monitor/monitor.h deleted file mode 100644 index 1942cc42fe2..00000000000 --- a/contrib/qemu/include/monitor/monitor.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef MONITOR_H -#define MONITOR_H - -#include "qemu-common.h" -#include "qapi/qmp/qerror.h" -#include "qapi/qmp/qdict.h" -#include "block/block.h" -#include "monitor/readline.h" - -extern Monitor *cur_mon; -extern Monitor *default_mon; - -/* flags for monitor_init */ -#define MONITOR_IS_DEFAULT 0x01 -#define MONITOR_USE_READLINE 0x02 -#define MONITOR_USE_CONTROL 0x04 -#define MONITOR_USE_PRETTY 0x08 - -/* flags for monitor commands */ -#define MONITOR_CMD_ASYNC 0x0001 - -/* QMP events */ -typedef enum MonitorEvent { - QEVENT_SHUTDOWN, - QEVENT_RESET, - QEVENT_POWERDOWN, - QEVENT_STOP, - QEVENT_RESUME, - QEVENT_VNC_CONNECTED, - QEVENT_VNC_INITIALIZED, - QEVENT_VNC_DISCONNECTED, - QEVENT_BLOCK_IO_ERROR, - QEVENT_RTC_CHANGE, - QEVENT_WATCHDOG, - QEVENT_SPICE_CONNECTED, - QEVENT_SPICE_INITIALIZED, - QEVENT_SPICE_DISCONNECTED, - QEVENT_BLOCK_JOB_COMPLETED, - QEVENT_BLOCK_JOB_CANCELLED, - QEVENT_BLOCK_JOB_ERROR, - QEVENT_BLOCK_JOB_READY, - QEVENT_DEVICE_DELETED, - QEVENT_DEVICE_TRAY_MOVED, - QEVENT_NIC_RX_FILTER_CHANGED, - QEVENT_SUSPEND, - QEVENT_SUSPEND_DISK, - QEVENT_WAKEUP, - QEVENT_BALLOON_CHANGE, - QEVENT_SPICE_MIGRATE_COMPLETED, - QEVENT_GUEST_PANICKED, - - /* Add to 'monitor_event_names' array in monitor.c when - * defining new events here */ - - QEVENT_MAX, -} MonitorEvent; - -int monitor_cur_is_qmp(void); - -void monitor_protocol_event(MonitorEvent event, QObject *data); -void monitor_init(CharDriverState *chr, int flags); - -int monitor_suspend(Monitor *mon); -void monitor_resume(Monitor *mon); - -int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, - BlockDriverCompletionFunc *completion_cb, - void *opaque); -int monitor_read_block_device_key(Monitor *mon, const char *device, - BlockDriverCompletionFunc *completion_cb, - void *opaque); - -int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp); -int monitor_handle_fd_param(Monitor *mon, const char *fdname); - -void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) - GCC_FMT_ATTR(2, 0); -void monitor_printf(Monitor *mon, const char *fmt, ...) GCC_FMT_ATTR(2, 3); -void monitor_print_filename(Monitor *mon, const char *filename); -void monitor_flush(Monitor *mon); -int monitor_set_cpu(int cpu_index); -int monitor_get_cpu_index(void); - -typedef void (MonitorCompletion)(void *opaque, QObject *ret_data); - -void monitor_set_error(Monitor *mon, QError *qerror); -void monitor_read_command(Monitor *mon, int show_prompt); -ReadLineState *monitor_get_rs(Monitor *mon); -int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, - void *opaque); - -int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret); - -int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret); - -AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, - bool has_opaque, const char *opaque, - Error **errp); -int monitor_fdset_get_fd(int64_t fdset_id, int flags); -int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd); -int monitor_fdset_dup_fd_remove(int dup_fd); -int monitor_fdset_dup_fd_find(int dup_fd); - -#endif /* !MONITOR_H */ diff --git a/contrib/qemu/include/monitor/readline.h b/contrib/qemu/include/monitor/readline.h deleted file mode 100644 index fc9806ecf1a..00000000000 --- a/contrib/qemu/include/monitor/readline.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef READLINE_H -#define READLINE_H - -#include "qemu-common.h" - -#define READLINE_CMD_BUF_SIZE 4095 -#define READLINE_MAX_CMDS 64 -#define READLINE_MAX_COMPLETIONS 256 - -typedef void ReadLineFunc(Monitor *mon, const char *str, void *opaque); -typedef void ReadLineCompletionFunc(const char *cmdline); - -typedef struct ReadLineState { - char cmd_buf[READLINE_CMD_BUF_SIZE + 1]; - int cmd_buf_index; - int cmd_buf_size; - - char last_cmd_buf[READLINE_CMD_BUF_SIZE + 1]; - int last_cmd_buf_index; - int last_cmd_buf_size; - - int esc_state; - int esc_param; - - char *history[READLINE_MAX_CMDS]; - int hist_entry; - - ReadLineCompletionFunc *completion_finder; - char *completions[READLINE_MAX_COMPLETIONS]; - int nb_completions; - int completion_index; - - ReadLineFunc *readline_func; - void *readline_opaque; - int read_password; - char prompt[256]; - Monitor *mon; -} ReadLineState; - -void readline_add_completion(ReadLineState *rs, const char *str); -void readline_set_completion_index(ReadLineState *rs, int completion_index); - -const char *readline_get_history(ReadLineState *rs, unsigned int index); - -void readline_handle_byte(ReadLineState *rs, int ch); - -void readline_start(ReadLineState *rs, const char *prompt, int read_password, - ReadLineFunc *readline_func, void *opaque); -void readline_restart(ReadLineState *rs); -void readline_show_prompt(ReadLineState *rs); - -ReadLineState *readline_init(Monitor *mon, - ReadLineCompletionFunc *completion_finder); - -#endif /* !READLINE_H */ diff --git a/contrib/qemu/include/qapi/error.h b/contrib/qemu/include/qapi/error.h deleted file mode 100644 index ffd1cea4772..00000000000 --- a/contrib/qemu/include/qapi/error.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * QEMU Error Objects - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2. See - * the COPYING.LIB file in the top-level directory. - */ -#ifndef ERROR_H -#define ERROR_H - -#include "qemu/compiler.h" -#include "qapi-types.h" -#include <stdbool.h> - -/** - * A class representing internal errors within QEMU. An error has a ErrorClass - * code and a human message. - */ -typedef struct Error Error; - -/** - * Set an indirect pointer to an error given a ErrorClass value and a - * printf-style human message. This function is not meant to be used outside - * of QEMU. - */ -void error_set(Error **err, ErrorClass err_class, const char *fmt, ...) GCC_FMT_ATTR(3, 4); - -/** - * Set an indirect pointer to an error given a ErrorClass value and a - * printf-style human message, followed by a strerror() string if - * @os_error is not zero. - */ -void error_set_errno(Error **err, int os_error, ErrorClass err_class, const char *fmt, ...) GCC_FMT_ATTR(4, 5); - -/** - * Same as error_set(), but sets a generic error - */ -#define error_setg(err, fmt, ...) \ - error_set(err, ERROR_CLASS_GENERIC_ERROR, fmt, ## __VA_ARGS__) -#define error_setg_errno(err, os_error, fmt, ...) \ - error_set_errno(err, os_error, ERROR_CLASS_GENERIC_ERROR, fmt, ## __VA_ARGS__) - -/** - * Helper for open() errors - */ -void error_setg_file_open(Error **errp, int os_errno, const char *filename); - -/** - * Returns true if an indirect pointer to an error is pointing to a valid - * error object. - */ -bool error_is_set(Error **err); - -/* - * Get the error class of an error object. - */ -ErrorClass error_get_class(const Error *err); - -/** - * Returns an exact copy of the error passed as an argument. - */ -Error *error_copy(const Error *err); - -/** - * Get a human readable representation of an error object. - */ -const char *error_get_pretty(Error *err); - -/** - * Propagate an error to an indirect pointer to an error. This function will - * always transfer ownership of the error reference and handles the case where - * dst_err is NULL correctly. Errors after the first are discarded. - */ -void error_propagate(Error **dst_err, Error *local_err); - -/** - * Free an error object. - */ -void error_free(Error *err); - -#endif diff --git a/contrib/qemu/include/qapi/qmp/json-lexer.h b/contrib/qemu/include/qapi/qmp/json-lexer.h deleted file mode 100644 index cdff0460a83..00000000000 --- a/contrib/qemu/include/qapi/qmp/json-lexer.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * JSON lexer - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QEMU_JSON_LEXER_H -#define QEMU_JSON_LEXER_H - -#include "qapi/qmp/qstring.h" -#include "qapi/qmp/qlist.h" - -typedef enum json_token_type { - JSON_OPERATOR = 100, - JSON_INTEGER, - JSON_FLOAT, - JSON_KEYWORD, - JSON_STRING, - JSON_ESCAPE, - JSON_SKIP, - JSON_ERROR, -} JSONTokenType; - -typedef struct JSONLexer JSONLexer; - -typedef void (JSONLexerEmitter)(JSONLexer *, QString *, JSONTokenType, int x, int y); - -struct JSONLexer -{ - JSONLexerEmitter *emit; - int state; - QString *token; - int x, y; -}; - -void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func); - -int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size); - -int json_lexer_flush(JSONLexer *lexer); - -void json_lexer_destroy(JSONLexer *lexer); - -#endif diff --git a/contrib/qemu/include/qapi/qmp/json-parser.h b/contrib/qemu/include/qapi/qmp/json-parser.h deleted file mode 100644 index 44d88f34685..00000000000 --- a/contrib/qemu/include/qapi/qmp/json-parser.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * JSON Parser - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QEMU_JSON_PARSER_H -#define QEMU_JSON_PARSER_H - -#include "qemu-common.h" -#include "qapi/qmp/qlist.h" -#include "qapi/error.h" - -QObject *json_parser_parse(QList *tokens, va_list *ap); -QObject *json_parser_parse_err(QList *tokens, va_list *ap, Error **errp); - -#endif diff --git a/contrib/qemu/include/qapi/qmp/json-streamer.h b/contrib/qemu/include/qapi/qmp/json-streamer.h deleted file mode 100644 index 823f7d7fa42..00000000000 --- a/contrib/qemu/include/qapi/qmp/json-streamer.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * JSON streaming support - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QEMU_JSON_STREAMER_H -#define QEMU_JSON_STREAMER_H - -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/json-lexer.h" - -typedef struct JSONMessageParser -{ - void (*emit)(struct JSONMessageParser *parser, QList *tokens); - JSONLexer lexer; - int brace_count; - int bracket_count; - QList *tokens; - uint64_t token_size; -} JSONMessageParser; - -void json_message_parser_init(JSONMessageParser *parser, - void (*func)(JSONMessageParser *, QList *)); - -int json_message_parser_feed(JSONMessageParser *parser, - const char *buffer, size_t size); - -int json_message_parser_flush(JSONMessageParser *parser); - -void json_message_parser_destroy(JSONMessageParser *parser); - -#endif diff --git a/contrib/qemu/include/qapi/qmp/qbool.h b/contrib/qemu/include/qapi/qmp/qbool.h deleted file mode 100644 index c4eaab9bb9f..00000000000 --- a/contrib/qemu/include/qapi/qmp/qbool.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * QBool Module - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QBOOL_H -#define QBOOL_H - -#include <stdint.h> -#include "qapi/qmp/qobject.h" - -typedef struct QBool { - QObject_HEAD; - int value; -} QBool; - -QBool *qbool_from_int(int value); -int qbool_get_int(const QBool *qb); -QBool *qobject_to_qbool(const QObject *obj); - -#endif /* QBOOL_H */ diff --git a/contrib/qemu/include/qapi/qmp/qdict.h b/contrib/qemu/include/qapi/qmp/qdict.h deleted file mode 100644 index 685b2e3fcbb..00000000000 --- a/contrib/qemu/include/qapi/qmp/qdict.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * QDict Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef QDICT_H -#define QDICT_H - -#include "qapi/qmp/qobject.h" -#include "qapi/qmp/qlist.h" -#include "qemu/queue.h" -#include <stdint.h> - -#define QDICT_BUCKET_MAX 512 - -typedef struct QDictEntry { - char *key; - QObject *value; - QLIST_ENTRY(QDictEntry) next; -} QDictEntry; - -typedef struct QDict { - QObject_HEAD; - size_t size; - QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX]; -} QDict; - -/* Object API */ -QDict *qdict_new(void); -const char *qdict_entry_key(const QDictEntry *entry); -QObject *qdict_entry_value(const QDictEntry *entry); -size_t qdict_size(const QDict *qdict); -void qdict_put_obj(QDict *qdict, const char *key, QObject *value); -void qdict_del(QDict *qdict, const char *key); -int qdict_haskey(const QDict *qdict, const char *key); -QObject *qdict_get(const QDict *qdict, const char *key); -QDict *qobject_to_qdict(const QObject *obj); -void qdict_iter(const QDict *qdict, - void (*iter)(const char *key, QObject *obj, void *opaque), - void *opaque); -const QDictEntry *qdict_first(const QDict *qdict); -const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry); - -/* Helper to qdict_put_obj(), accepts any object */ -#define qdict_put(qdict, key, obj) \ - qdict_put_obj(qdict, key, QOBJECT(obj)) - -/* High level helpers */ -double qdict_get_double(const QDict *qdict, const char *key); -int64_t qdict_get_int(const QDict *qdict, const char *key); -int qdict_get_bool(const QDict *qdict, const char *key); -QList *qdict_get_qlist(const QDict *qdict, const char *key); -QDict *qdict_get_qdict(const QDict *qdict, const char *key); -const char *qdict_get_str(const QDict *qdict, const char *key); -int64_t qdict_get_try_int(const QDict *qdict, const char *key, - int64_t def_value); -int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value); -const char *qdict_get_try_str(const QDict *qdict, const char *key); - -QDict *qdict_clone_shallow(const QDict *src); - -#endif /* QDICT_H */ diff --git a/contrib/qemu/include/qapi/qmp/qerror.h b/contrib/qemu/include/qapi/qmp/qerror.h deleted file mode 100644 index c30c2f6d7a3..00000000000 --- a/contrib/qemu/include/qapi/qmp/qerror.h +++ /dev/null @@ -1,249 +0,0 @@ -/* - * QError Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ -#ifndef QERROR_H -#define QERROR_H - -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qstring.h" -#include "qemu/error-report.h" -#include "qapi/error.h" -#include "qapi-types.h" -#include <stdarg.h> - -typedef struct QError { - QObject_HEAD; - Location loc; - char *err_msg; - ErrorClass err_class; -} QError; - -QString *qerror_human(const QError *qerror); -void qerror_report(ErrorClass err_class, const char *fmt, ...) GCC_FMT_ATTR(2, 3); -void qerror_report_err(Error *err); -void assert_no_error(Error *err); - -/* - * QError class list - * Please keep the definitions in alphabetical order. - * Use scripts/check-qerror.sh to check. - */ -#define QERR_ADD_CLIENT_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Could not add client" - -#define QERR_AMBIGUOUS_PATH \ - ERROR_CLASS_GENERIC_ERROR, "Path '%s' does not uniquely identify an object" - -#define QERR_BAD_BUS_FOR_DEVICE \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' can't go on a %s bus" - -#define QERR_BASE_NOT_FOUND \ - ERROR_CLASS_GENERIC_ERROR, "Base '%s' not found" - -#define QERR_BLOCK_JOB_NOT_ACTIVE \ - ERROR_CLASS_DEVICE_NOT_ACTIVE, "No active block job on device '%s'" - -#define QERR_BLOCK_JOB_PAUSED \ - ERROR_CLASS_GENERIC_ERROR, "The block job for device '%s' is currently paused" - -#define QERR_BLOCK_JOB_NOT_READY \ - ERROR_CLASS_GENERIC_ERROR, "The active block job for device '%s' cannot be completed" - -#define QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED \ - ERROR_CLASS_GENERIC_ERROR, "Block format '%s' used by device '%s' does not support feature '%s'" - -#define QERR_BUFFER_OVERRUN \ - ERROR_CLASS_GENERIC_ERROR, "An internal buffer overran" - -#define QERR_BUS_NO_HOTPLUG \ - ERROR_CLASS_GENERIC_ERROR, "Bus '%s' does not support hotplugging" - -#define QERR_BUS_NOT_FOUND \ - ERROR_CLASS_GENERIC_ERROR, "Bus '%s' not found" - -#define QERR_COMMAND_DISABLED \ - ERROR_CLASS_GENERIC_ERROR, "The command %s has been disabled for this instance" - -#define QERR_COMMAND_NOT_FOUND \ - ERROR_CLASS_COMMAND_NOT_FOUND, "The command %s has not been found" - -#define QERR_DEVICE_ENCRYPTED \ - ERROR_CLASS_DEVICE_ENCRYPTED, "'%s' (%s) is encrypted" - -#define QERR_DEVICE_FEATURE_BLOCKS_MIGRATION \ - ERROR_CLASS_GENERIC_ERROR, "Migration is disabled when using feature '%s' in device '%s'" - -#define QERR_DEVICE_HAS_NO_MEDIUM \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' has no medium" - -#define QERR_DEVICE_INIT_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' could not be initialized" - -#define QERR_DEVICE_IN_USE \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' is in use" - -#define QERR_DEVICE_IS_READ_ONLY \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' is read only" - -#define QERR_DEVICE_LOCKED \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' is locked" - -#define QERR_DEVICE_MULTIPLE_BUSSES \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' has multiple child busses" - -#define QERR_DEVICE_NO_BUS \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' has no child bus" - -#define QERR_DEVICE_NO_HOTPLUG \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' does not support hotplugging" - -#define QERR_DEVICE_NOT_ACTIVE \ - ERROR_CLASS_DEVICE_NOT_ACTIVE, "Device '%s' has not been activated" - -#define QERR_DEVICE_NOT_ENCRYPTED \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' is not encrypted" - -#define QERR_DEVICE_NOT_FOUND \ - ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found" - -#define QERR_DEVICE_NOT_REMOVABLE \ - ERROR_CLASS_GENERIC_ERROR, "Device '%s' is not removable" - -#define QERR_DUPLICATE_ID \ - ERROR_CLASS_GENERIC_ERROR, "Duplicate ID '%s' for %s" - -#define QERR_FD_NOT_FOUND \ - ERROR_CLASS_GENERIC_ERROR, "File descriptor named '%s' not found" - -#define QERR_FD_NOT_SUPPLIED \ - ERROR_CLASS_GENERIC_ERROR, "No file descriptor supplied via SCM_RIGHTS" - -#define QERR_FEATURE_DISABLED \ - ERROR_CLASS_GENERIC_ERROR, "The feature '%s' is not enabled" - -#define QERR_INVALID_BLOCK_FORMAT \ - ERROR_CLASS_GENERIC_ERROR, "Invalid block format '%s'" - -#define QERR_INVALID_OPTION_GROUP \ - ERROR_CLASS_GENERIC_ERROR, "There is no option group '%s'" - -#define QERR_INVALID_PARAMETER \ - ERROR_CLASS_GENERIC_ERROR, "Invalid parameter '%s'" - -#define QERR_INVALID_PARAMETER_COMBINATION \ - ERROR_CLASS_GENERIC_ERROR, "Invalid parameter combination" - -#define QERR_INVALID_PARAMETER_TYPE \ - ERROR_CLASS_GENERIC_ERROR, "Invalid parameter type for '%s', expected: %s" - -#define QERR_INVALID_PARAMETER_VALUE \ - ERROR_CLASS_GENERIC_ERROR, "Parameter '%s' expects %s" - -#define QERR_INVALID_PASSWORD \ - ERROR_CLASS_GENERIC_ERROR, "Password incorrect" - -#define QERR_IO_ERROR \ - ERROR_CLASS_GENERIC_ERROR, "An IO error has occurred" - -#define QERR_JSON_PARSE_ERROR \ - ERROR_CLASS_GENERIC_ERROR, "JSON parse error, %s" - -#define QERR_JSON_PARSING \ - ERROR_CLASS_GENERIC_ERROR, "Invalid JSON syntax" - -#define QERR_KVM_MISSING_CAP \ - ERROR_CLASS_K_V_M_MISSING_CAP, "Using KVM without %s, %s unavailable" - -#define QERR_MIGRATION_ACTIVE \ - ERROR_CLASS_GENERIC_ERROR, "There's a migration process in progress" - -#define QERR_MIGRATION_NOT_SUPPORTED \ - ERROR_CLASS_GENERIC_ERROR, "State blocked by non-migratable device '%s'" - -#define QERR_MISSING_PARAMETER \ - ERROR_CLASS_GENERIC_ERROR, "Parameter '%s' is missing" - -#define QERR_NO_BUS_FOR_DEVICE \ - ERROR_CLASS_GENERIC_ERROR, "No '%s' bus found for device '%s'" - -#define QERR_NOT_SUPPORTED \ - ERROR_CLASS_GENERIC_ERROR, "Not supported" - -#define QERR_PERMISSION_DENIED \ - ERROR_CLASS_GENERIC_ERROR, "Insufficient permission to perform this operation" - -#define QERR_PROPERTY_NOT_FOUND \ - ERROR_CLASS_GENERIC_ERROR, "Property '%s.%s' not found" - -#define QERR_PROPERTY_VALUE_BAD \ - ERROR_CLASS_GENERIC_ERROR, "Property '%s.%s' doesn't take value '%s'" - -#define QERR_PROPERTY_VALUE_IN_USE \ - ERROR_CLASS_GENERIC_ERROR, "Property '%s.%s' can't take value '%s', it's in use" - -#define QERR_PROPERTY_VALUE_NOT_FOUND \ - ERROR_CLASS_GENERIC_ERROR, "Property '%s.%s' can't find value '%s'" - -#define QERR_PROPERTY_VALUE_NOT_POWER_OF_2 \ - ERROR_CLASS_GENERIC_ERROR, "Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2" - -#define QERR_PROPERTY_VALUE_OUT_OF_RANGE \ - ERROR_CLASS_GENERIC_ERROR, "Property %s.%s doesn't take value %" PRId64 " (minimum: %" PRId64 ", maximum: %" PRId64 ")" - -#define QERR_QGA_COMMAND_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Guest agent command failed, error was '%s'" - -#define QERR_QGA_LOGGING_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Guest agent failed to log non-optional log statement" - -#define QERR_QMP_BAD_INPUT_OBJECT \ - ERROR_CLASS_GENERIC_ERROR, "Expected '%s' in QMP input" - -#define QERR_QMP_BAD_INPUT_OBJECT_MEMBER \ - ERROR_CLASS_GENERIC_ERROR, "QMP input object member '%s' expects '%s'" - -#define QERR_QMP_EXTRA_MEMBER \ - ERROR_CLASS_GENERIC_ERROR, "QMP input object member '%s' is unexpected" - -#define QERR_RESET_REQUIRED \ - ERROR_CLASS_GENERIC_ERROR, "Resetting the Virtual Machine is required" - -#define QERR_SET_PASSWD_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Could not set password" - -#define QERR_TOO_MANY_FILES \ - ERROR_CLASS_GENERIC_ERROR, "Too many open files" - -#define QERR_UNDEFINED_ERROR \ - ERROR_CLASS_GENERIC_ERROR, "An undefined error has occurred" - -#define QERR_UNKNOWN_BLOCK_FORMAT_FEATURE \ - ERROR_CLASS_GENERIC_ERROR, "'%s' uses a %s feature which is not supported by this qemu version: %s" - -#define QERR_UNSUPPORTED \ - ERROR_CLASS_GENERIC_ERROR, "this feature or command is not currently supported" - -#define QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION \ - ERROR_CLASS_GENERIC_ERROR, "Migration is disabled when VirtFS export path '%s' is mounted in the guest using mount_tag '%s'" - -#define QERR_SOCKET_CONNECT_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to connect to socket" - -#define QERR_SOCKET_LISTEN_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to set socket to listening mode" - -#define QERR_SOCKET_BIND_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to bind socket" - -#define QERR_SOCKET_CREATE_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to create socket" - -#endif /* QERROR_H */ diff --git a/contrib/qemu/include/qapi/qmp/qfloat.h b/contrib/qemu/include/qapi/qmp/qfloat.h deleted file mode 100644 index a8658443dc2..00000000000 --- a/contrib/qemu/include/qapi/qmp/qfloat.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * QFloat Module - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QFLOAT_H -#define QFLOAT_H - -#include <stdint.h> -#include "qapi/qmp/qobject.h" - -typedef struct QFloat { - QObject_HEAD; - double value; -} QFloat; - -QFloat *qfloat_from_double(double value); -double qfloat_get_double(const QFloat *qi); -QFloat *qobject_to_qfloat(const QObject *obj); - -#endif /* QFLOAT_H */ diff --git a/contrib/qemu/include/qapi/qmp/qint.h b/contrib/qemu/include/qapi/qmp/qint.h deleted file mode 100644 index 48a41b0f2ae..00000000000 --- a/contrib/qemu/include/qapi/qmp/qint.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * QInt Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef QINT_H -#define QINT_H - -#include <stdint.h> -#include "qapi/qmp/qobject.h" - -typedef struct QInt { - QObject_HEAD; - int64_t value; -} QInt; - -QInt *qint_from_int(int64_t value); -int64_t qint_get_int(const QInt *qi); -QInt *qobject_to_qint(const QObject *obj); - -#endif /* QINT_H */ diff --git a/contrib/qemu/include/qapi/qmp/qjson.h b/contrib/qemu/include/qapi/qmp/qjson.h deleted file mode 100644 index 73351ed6d68..00000000000 --- a/contrib/qemu/include/qapi/qmp/qjson.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * QObject JSON integration - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QJSON_H -#define QJSON_H - -#include <stdarg.h> -#include "qemu/compiler.h" -#include "qapi/qmp/qobject.h" -#include "qapi/qmp/qstring.h" - -QObject *qobject_from_json(const char *string) GCC_FMT_ATTR(1, 0); -QObject *qobject_from_jsonf(const char *string, ...) GCC_FMT_ATTR(1, 2); -QObject *qobject_from_jsonv(const char *string, va_list *ap) GCC_FMT_ATTR(1, 0); - -QString *qobject_to_json(const QObject *obj); -QString *qobject_to_json_pretty(const QObject *obj); - -#endif /* QJSON_H */ diff --git a/contrib/qemu/include/qapi/qmp/qlist.h b/contrib/qemu/include/qapi/qmp/qlist.h deleted file mode 100644 index 6cc4831df3e..00000000000 --- a/contrib/qemu/include/qapi/qmp/qlist.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * QList Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef QLIST_H -#define QLIST_H - -#include "qapi/qmp/qobject.h" -#include "qemu/queue.h" - -typedef struct QListEntry { - QObject *value; - QTAILQ_ENTRY(QListEntry) next; -} QListEntry; - -typedef struct QList { - QObject_HEAD; - QTAILQ_HEAD(,QListEntry) head; -} QList; - -#define qlist_append(qlist, obj) \ - qlist_append_obj(qlist, QOBJECT(obj)) - -#define QLIST_FOREACH_ENTRY(qlist, var) \ - for ((var) = ((qlist)->head.tqh_first); \ - (var); \ - (var) = ((var)->next.tqe_next)) - -static inline QObject *qlist_entry_obj(const QListEntry *entry) -{ - return entry->value; -} - -QList *qlist_new(void); -QList *qlist_copy(QList *src); -void qlist_append_obj(QList *qlist, QObject *obj); -void qlist_iter(const QList *qlist, - void (*iter)(QObject *obj, void *opaque), void *opaque); -QObject *qlist_pop(QList *qlist); -QObject *qlist_peek(QList *qlist); -int qlist_empty(const QList *qlist); -size_t qlist_size(const QList *qlist); -QList *qobject_to_qlist(const QObject *obj); - -static inline const QListEntry *qlist_first(const QList *qlist) -{ - return QTAILQ_FIRST(&qlist->head); -} - -static inline const QListEntry *qlist_next(const QListEntry *entry) -{ - return QTAILQ_NEXT(entry, next); -} - -#endif /* QLIST_H */ diff --git a/contrib/qemu/include/qapi/qmp/qobject.h b/contrib/qemu/include/qapi/qmp/qobject.h deleted file mode 100644 index 9124649ed20..00000000000 --- a/contrib/qemu/include/qapi/qmp/qobject.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * QEMU Object Model. - * - * Based on ideas by Avi Kivity <avi@redhat.com> - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - * QObject Reference Counts Terminology - * ------------------------------------ - * - * - Returning references: A function that returns an object may - * return it as either a weak or a strong reference. If the reference - * is strong, you are responsible for calling QDECREF() on the reference - * when you are done. - * - * If the reference is weak, the owner of the reference may free it at - * any time in the future. Before storing the reference anywhere, you - * should call QINCREF() to make the reference strong. - * - * - Transferring ownership: when you transfer ownership of a reference - * by calling a function, you are no longer responsible for calling - * QDECREF() when the reference is no longer needed. In other words, - * when the function returns you must behave as if the reference to the - * passed object was weak. - */ -#ifndef QOBJECT_H -#define QOBJECT_H - -#include <stddef.h> -#include <assert.h> - -typedef enum { - QTYPE_NONE, - QTYPE_QINT, - QTYPE_QSTRING, - QTYPE_QDICT, - QTYPE_QLIST, - QTYPE_QFLOAT, - QTYPE_QBOOL, - QTYPE_QERROR, -} qtype_code; - -struct QObject; - -typedef struct QType { - qtype_code code; - void (*destroy)(struct QObject *); -} QType; - -typedef struct QObject { - const QType *type; - size_t refcnt; -} QObject; - -/* Objects definitions must include this */ -#define QObject_HEAD \ - QObject base - -/* Get the 'base' part of an object */ -#define QOBJECT(obj) (&(obj)->base) - -/* High-level interface for qobject_incref() */ -#define QINCREF(obj) \ - qobject_incref(QOBJECT(obj)) - -/* High-level interface for qobject_decref() */ -#define QDECREF(obj) \ - qobject_decref(obj ? QOBJECT(obj) : NULL) - -/* Initialize an object to default values */ -#define QOBJECT_INIT(obj, qtype_type) \ - obj->base.refcnt = 1; \ - obj->base.type = qtype_type - -/** - * qobject_incref(): Increment QObject's reference count - */ -static inline void qobject_incref(QObject *obj) -{ - if (obj) - obj->refcnt++; -} - -/** - * qobject_decref(): Decrement QObject's reference count, deallocate - * when it reaches zero - */ -static inline void qobject_decref(QObject *obj) -{ - if (obj && --obj->refcnt == 0) { - assert(obj->type != NULL); - assert(obj->type->destroy != NULL); - obj->type->destroy(obj); - } -} - -/** - * qobject_type(): Return the QObject's type - */ -static inline qtype_code qobject_type(const QObject *obj) -{ - assert(obj->type != NULL); - return obj->type->code; -} - -#endif /* QOBJECT_H */ diff --git a/contrib/qemu/include/qapi/qmp/qstring.h b/contrib/qemu/include/qapi/qmp/qstring.h deleted file mode 100644 index 1bc3666107c..00000000000 --- a/contrib/qemu/include/qapi/qmp/qstring.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * QString Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef QSTRING_H -#define QSTRING_H - -#include <stdint.h> -#include "qapi/qmp/qobject.h" - -typedef struct QString { - QObject_HEAD; - char *string; - size_t length; - size_t capacity; -} QString; - -QString *qstring_new(void); -QString *qstring_from_str(const char *str); -QString *qstring_from_substr(const char *str, int start, int end); -size_t qstring_get_length(const QString *qstring); -const char *qstring_get_str(const QString *qstring); -void qstring_append_int(QString *qstring, int64_t value); -void qstring_append(QString *qstring, const char *str); -void qstring_append_chr(QString *qstring, int c); -QString *qobject_to_qstring(const QObject *obj); - -#endif /* QSTRING_H */ diff --git a/contrib/qemu/include/qapi/qmp/types.h b/contrib/qemu/include/qapi/qmp/types.h deleted file mode 100644 index 7782ec5a602..00000000000 --- a/contrib/qemu/include/qapi/qmp/types.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Include all QEMU objects. - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef QEMU_OBJECTS_H -#define QEMU_OBJECTS_H - -#include "qapi/qmp/qobject.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/qstring.h" -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qjson.h" - -#endif /* QEMU_OBJECTS_H */ diff --git a/contrib/qemu/include/qemu-common.h b/contrib/qemu/include/qemu-common.h deleted file mode 100644 index 6948bb91774..00000000000 --- a/contrib/qemu/include/qemu-common.h +++ /dev/null @@ -1,478 +0,0 @@ - -/* Common header file that is included by all of QEMU. - * - * This file is supposed to be included only by .c files. No header file should - * depend on qemu-common.h, as this would easily lead to circular header - * dependencies. - * - * If a header file uses a definition from qemu-common.h, that definition - * must be moved to a separate header file, and the header that uses it - * must include that header. - */ -#ifndef QEMU_COMMON_H -#define QEMU_COMMON_H - -#include "qemu/compiler.h" -#include "config-host.h" -#include "qemu/typedefs.h" - -#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__) -#define WORDS_ALIGNED -#endif - -#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) - -/* we put basic includes here to avoid repeating them in device drivers */ -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <stdbool.h> -#include <string.h> -#include <strings.h> -#include <inttypes.h> -#include <limits.h> -#include <time.h> -#include <ctype.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <assert.h> -#include <signal.h> -#include "glib-compat.h" - -#ifdef _WIN32 -#include "sysemu/os-win32.h" -#endif - -#ifdef CONFIG_POSIX -#include "sysemu/os-posix.h" -#endif - -#ifndef O_LARGEFILE -#define O_LARGEFILE 0 -#endif -#ifndef O_BINARY -#define O_BINARY 0 -#endif -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif -#ifndef ENOMEDIUM -#define ENOMEDIUM ENODEV -#endif -#if !defined(ENOTSUP) -#define ENOTSUP 4096 -#endif -#if !defined(ECANCELED) -#define ECANCELED 4097 -#endif -#if !defined(EMEDIUMTYPE) -#define EMEDIUMTYPE 4098 -#endif -#ifndef TIME_MAX -#define TIME_MAX LONG_MAX -#endif - -/* HOST_LONG_BITS is the size of a native pointer in bits. */ -#if UINTPTR_MAX == UINT32_MAX -# define HOST_LONG_BITS 32 -#elif UINTPTR_MAX == UINT64_MAX -# define HOST_LONG_BITS 64 -#else -# error Unknown pointer size -#endif - -typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) - GCC_FMT_ATTR(2, 3); - -#ifdef _WIN32 -#define fsync _commit -#if !defined(lseek) -# define lseek _lseeki64 -#endif -int qemu_ftruncate64(int, int64_t); -#if !defined(ftruncate) -# define ftruncate qemu_ftruncate64 -#endif - -static inline char *realpath(const char *path, char *resolved_path) -{ - _fullpath(resolved_path, path, _MAX_PATH); - return resolved_path; -} -#endif - -/* icount */ -void configure_icount(const char *option); -extern int use_icount; - -#include "qemu/osdep.h" -#include "qemu/bswap.h" - -/* FIXME: Remove NEED_CPU_H. */ -#ifdef NEED_CPU_H -#include "cpu.h" -#endif /* !defined(NEED_CPU_H) */ - -/* main function, renamed */ -#if defined(CONFIG_COCOA) -int qemu_main(int argc, char **argv, char **envp); -#endif - -void qemu_get_timedate(struct tm *tm, int offset); -int qemu_timedate_diff(struct tm *tm); - -#if !GLIB_CHECK_VERSION(2, 20, 0) -/* - * Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly - * on older systems. - */ -static inline gint g_poll(GPollFD *fds, guint nfds, gint timeout) -{ - GMainContext *ctx = g_main_context_default(); - return g_main_context_get_poll_func(ctx)(fds, nfds, timeout); -} -#endif - -/** - * is_help_option: - * @s: string to test - * - * Check whether @s is one of the standard strings which indicate - * that the user is asking for a list of the valid values for a - * command option like -cpu or -M. The current accepted strings - * are 'help' and '?'. '?' is deprecated (it is a shell wildcard - * which makes it annoying to use in a reliable way) but provided - * for backwards compatibility. - * - * Returns: true if @s is a request for a list. - */ -static inline bool is_help_option(const char *s) -{ - return !strcmp(s, "?") || !strcmp(s, "help"); -} - -/* cutils.c */ -void pstrcpy(char *buf, int buf_size, const char *str); -void strpadcpy(char *buf, int buf_size, const char *str, char pad); -char *pstrcat(char *buf, int buf_size, const char *s); -int strstart(const char *str, const char *val, const char **ptr); -int stristart(const char *str, const char *val, const char **ptr); -int qemu_strnlen(const char *s, int max_len); -char *qemu_strsep(char **input, const char *delim); -time_t mktimegm(struct tm *tm); -int qemu_fls(int i); -int qemu_fdatasync(int fd); -int fcntl_setfl(int fd, int flag); -int qemu_parse_fd(const char *param); - -int parse_uint(const char *s, unsigned long long *value, char **endptr, - int base); -int parse_uint_full(const char *s, unsigned long long *value, int base); - -/* - * strtosz() suffixes used to specify the default treatment of an - * argument passed to strtosz() without an explicit suffix. - * These should be defined using upper case characters in the range - * A-Z, as strtosz() will use qemu_toupper() on the given argument - * prior to comparison. - */ -#define STRTOSZ_DEFSUFFIX_EB 'E' -#define STRTOSZ_DEFSUFFIX_PB 'P' -#define STRTOSZ_DEFSUFFIX_TB 'T' -#define STRTOSZ_DEFSUFFIX_GB 'G' -#define STRTOSZ_DEFSUFFIX_MB 'M' -#define STRTOSZ_DEFSUFFIX_KB 'K' -#define STRTOSZ_DEFSUFFIX_B 'B' -int64_t strtosz(const char *nptr, char **end); -int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); -int64_t strtosz_suffix_unit(const char *nptr, char **end, - const char default_suffix, int64_t unit); - -/* path.c */ -void init_paths(const char *prefix); -const char *path(const char *pathname); - -#define qemu_isalnum(c) isalnum((unsigned char)(c)) -#define qemu_isalpha(c) isalpha((unsigned char)(c)) -#define qemu_iscntrl(c) iscntrl((unsigned char)(c)) -#define qemu_isdigit(c) isdigit((unsigned char)(c)) -#define qemu_isgraph(c) isgraph((unsigned char)(c)) -#define qemu_islower(c) islower((unsigned char)(c)) -#define qemu_isprint(c) isprint((unsigned char)(c)) -#define qemu_ispunct(c) ispunct((unsigned char)(c)) -#define qemu_isspace(c) isspace((unsigned char)(c)) -#define qemu_isupper(c) isupper((unsigned char)(c)) -#define qemu_isxdigit(c) isxdigit((unsigned char)(c)) -#define qemu_tolower(c) tolower((unsigned char)(c)) -#define qemu_toupper(c) toupper((unsigned char)(c)) -#define qemu_isascii(c) isascii((unsigned char)(c)) -#define qemu_toascii(c) toascii((unsigned char)(c)) - -void *qemu_oom_check(void *ptr); - -ssize_t qemu_write_full(int fd, const void *buf, size_t count) - QEMU_WARN_UNUSED_RESULT; -ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags) - QEMU_WARN_UNUSED_RESULT; -ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags) - QEMU_WARN_UNUSED_RESULT; - -#ifndef _WIN32 -int qemu_pipe(int pipefd[2]); -/* like openpty() but also makes it raw; return master fd */ -int qemu_openpty_raw(int *aslave, char *pty_name); -#endif - -#ifdef _WIN32 -/* MinGW needs type casts for the 'buf' and 'optval' arguments. */ -#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \ - getsockopt(sockfd, level, optname, (void *)optval, optlen) -#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \ - setsockopt(sockfd, level, optname, (const void *)optval, optlen) -#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags) -#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \ - sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen) -#else -#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \ - getsockopt(sockfd, level, optname, optval, optlen) -#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \ - setsockopt(sockfd, level, optname, optval, optlen) -#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags) -#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \ - sendto(sockfd, buf, len, flags, destaddr, addrlen) -#endif - -/* Error handling. */ - -void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); - -struct ParallelIOArg { - void *buffer; - int count; -}; - -typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); - -typedef uint64_t pcibus_t; - -typedef enum LostTickPolicy { - LOST_TICK_DISCARD, - LOST_TICK_DELAY, - LOST_TICK_MERGE, - LOST_TICK_SLEW, - LOST_TICK_MAX -} LostTickPolicy; - -typedef struct PCIHostDeviceAddress { - unsigned int domain; - unsigned int bus; - unsigned int slot; - unsigned int function; -} PCIHostDeviceAddress; - -void tcg_exec_init(unsigned long tb_size); -bool tcg_enabled(void); - -void cpu_exec_init_all(void); - -/* CPU save/load. */ -#ifdef CPU_SAVE_VERSION -void cpu_save(QEMUFile *f, void *opaque); -int cpu_load(QEMUFile *f, void *opaque, int version_id); -#endif - -/* Unblock cpu */ -void qemu_cpu_kick_self(void); - -/* work queue */ -struct qemu_work_item { - struct qemu_work_item *next; - void (*func)(void *data); - void *data; - int done; - bool free; -}; - - -/** - * Sends a (part of) iovec down a socket, yielding when the socket is full, or - * Receives data into a (part of) iovec from a socket, - * yielding when there is no data in the socket. - * The same interface as qemu_sendv_recvv(), with added yielding. - * XXX should mark these as coroutine_fn - */ -ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt, - size_t offset, size_t bytes, bool do_send); -#define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \ - qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false) -#define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \ - qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true) - -/** - * The same as above, but with just a single buffer - */ -ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send); -#define qemu_co_recv(sockfd, buf, bytes) \ - qemu_co_send_recv(sockfd, buf, bytes, false) -#define qemu_co_send(sockfd, buf, bytes) \ - qemu_co_send_recv(sockfd, buf, bytes, true) - -typedef struct QEMUIOVector { - struct iovec *iov; - int niov; - int nalloc; - size_t size; -} QEMUIOVector; - -void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); -void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); -void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); -void qemu_iovec_concat(QEMUIOVector *dst, - QEMUIOVector *src, size_t soffset, size_t sbytes); -void qemu_iovec_concat_iov(QEMUIOVector *dst, - struct iovec *src_iov, unsigned int src_cnt, - size_t soffset, size_t sbytes); -void qemu_iovec_destroy(QEMUIOVector *qiov); -void qemu_iovec_reset(QEMUIOVector *qiov); -size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset, - void *buf, size_t bytes); -size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, - const void *buf, size_t bytes); -size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, - int fillc, size_t bytes); - -bool buffer_is_zero(const void *buf, size_t len); - -void qemu_progress_init(int enabled, float min_skip); -void qemu_progress_end(void); -void qemu_progress_print(float delta, int max); -const char *qemu_get_vm_name(void); - -#define QEMU_FILE_TYPE_BIOS 0 -#define QEMU_FILE_TYPE_KEYMAP 1 -char *qemu_find_file(int type, const char *name); - -/* OS specific functions */ -void os_setup_early_signal_handling(void); -char *os_find_datadir(const char *argv0); -void os_parse_cmd_args(int index, const char *optarg); -void os_pidfile_error(void); - -/* Convert a byte between binary and BCD. */ -static inline uint8_t to_bcd(uint8_t val) -{ - return ((val / 10) << 4) | (val % 10); -} - -static inline uint8_t from_bcd(uint8_t val) -{ - return ((val >> 4) * 10) + (val & 0x0f); -} - -/* compute with 96 bit intermediate result: (a*b)/c */ -static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) -{ - union { - uint64_t ll; - struct { -#ifdef HOST_WORDS_BIGENDIAN - uint32_t high, low; -#else - uint32_t low, high; -#endif - } l; - } u, res; - uint64_t rl, rh; - - u.ll = a; - rl = (uint64_t)u.l.low * (uint64_t)b; - rh = (uint64_t)u.l.high * (uint64_t)b; - rh += (rl >> 32); - res.l.high = rh / c; - res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; - return res.ll; -} - -/* Round number down to multiple */ -#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m)) - -/* Round number up to multiple */ -#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m)) - -static inline bool is_power_of_2(uint64_t value) -{ - if (!value) { - return 0; - } - - return !(value & (value - 1)); -} - -/* round down to the nearest power of 2*/ -int64_t pow2floor(int64_t value); - -#include "qemu/module.h" - -/* - * Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128) - * Input is limited to 14-bit numbers - */ - -int uleb128_encode_small(uint8_t *out, uint32_t n); -int uleb128_decode_small(const uint8_t *in, uint32_t *n); - -/* unicode.c */ -int mod_utf8_codepoint(const char *s, size_t n, char **end); - -/* - * Hexdump a buffer to a file. An optional string prefix is added to every line - */ - -void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size); - -/* vector definitions */ -#ifdef __ALTIVEC__ -#include <altivec.h> -/* The altivec.h header says we're allowed to undef these for - * C++ compatibility. Here we don't care about C++, but we - * undef them anyway to avoid namespace pollution. - */ -#undef vector -#undef pixel -#undef bool -#define VECTYPE __vector unsigned char -#define SPLAT(p) vec_splat(vec_ld(0, p), 0) -#define ALL_EQ(v1, v2) vec_all_eq(v1, v2) -/* altivec.h may redefine the bool macro as vector type. - * Reset it to POSIX semantics. */ -#define bool _Bool -#elif defined __SSE2__ -#include <emmintrin.h> -#define VECTYPE __m128i -#define SPLAT(p) _mm_set1_epi8(*(p)) -#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) -#else -#define VECTYPE unsigned long -#define SPLAT(p) (*(p) * (~0UL / 255)) -#define ALL_EQ(v1, v2) ((v1) == (v2)) -#endif - -#define BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR 8 -static inline bool -can_use_buffer_find_nonzero_offset(const void *buf, size_t len) -{ - return (len % (BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR - * sizeof(VECTYPE)) == 0 - && ((uintptr_t) buf) % sizeof(VECTYPE) == 0); -} -size_t buffer_find_nonzero_offset(const void *buf, size_t len); - -/* - * helper to parse debug environment variables - */ -int parse_debug_env(const char *name, int max, int initial); - -#endif diff --git a/contrib/qemu/include/qemu/aes.h b/contrib/qemu/include/qemu/aes.h deleted file mode 100644 index e79c707436f..00000000000 --- a/contrib/qemu/include/qemu/aes.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef QEMU_AES_H -#define QEMU_AES_H - -#define AES_MAXNR 14 -#define AES_BLOCK_SIZE 16 - -struct aes_key_st { - uint32_t rd_key[4 *(AES_MAXNR + 1)]; - int rounds; -}; -typedef struct aes_key_st AES_KEY; - -int AES_set_encrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key); -int AES_set_decrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key); - -void AES_encrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key); -void AES_decrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key); -void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, const int enc); - -/* -AES_Te0[x] = S [x].[02, 01, 01, 03]; -AES_Te1[x] = S [x].[03, 02, 01, 01]; -AES_Te2[x] = S [x].[01, 03, 02, 01]; -AES_Te3[x] = S [x].[01, 01, 03, 02]; -AES_Te4[x] = S [x].[01, 01, 01, 01]; - -AES_Td0[x] = Si[x].[0e, 09, 0d, 0b]; -AES_Td1[x] = Si[x].[0b, 0e, 09, 0d]; -AES_Td2[x] = Si[x].[0d, 0b, 0e, 09]; -AES_Td3[x] = Si[x].[09, 0d, 0b, 0e]; -AES_Td4[x] = Si[x].[01, 01, 01, 01]; -*/ - -extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256], - AES_Te3[256], AES_Te4[256]; -extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256], - AES_Td3[256], AES_Td4[256]; - -#endif diff --git a/contrib/qemu/include/qemu/atomic.h b/contrib/qemu/include/qemu/atomic.h deleted file mode 100644 index 0aa89133018..00000000000 --- a/contrib/qemu/include/qemu/atomic.h +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Simple interface for atomic operations. - * - * Copyright (C) 2013 Red Hat, Inc. - * - * Author: Paolo Bonzini <pbonzini@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#ifndef __QEMU_ATOMIC_H -#define __QEMU_ATOMIC_H 1 - -#include "qemu/compiler.h" - -/* For C11 atomic ops */ - -/* Compiler barrier */ -#define barrier() ({ asm volatile("" ::: "memory"); (void)0; }) - -#ifndef __ATOMIC_RELAXED - -/* - * We use GCC builtin if it's available, as that can use mfence on - * 32-bit as well, e.g. if built with -march=pentium-m. However, on - * i386 the spec is buggy, and the implementation followed it until - * 4.3 (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36793). - */ -#if defined(__i386__) || defined(__x86_64__) -#if !QEMU_GNUC_PREREQ(4, 4) -#if defined __x86_64__ -#define smp_mb() ({ asm volatile("mfence" ::: "memory"); (void)0; }) -#else -#define smp_mb() ({ asm volatile("lock; addl $0,0(%%esp) " ::: "memory"); (void)0; }) -#endif -#endif -#endif - - -#ifdef __alpha__ -#define smp_read_barrier_depends() asm volatile("mb":::"memory") -#endif - -#if defined(__i386__) || defined(__x86_64__) || defined(__s390x__) - -/* - * Because of the strongly ordered storage model, wmb() and rmb() are nops - * here (a compiler barrier only). QEMU doesn't do accesses to write-combining - * qemu memory or non-temporal load/stores from C code. - */ -#define smp_wmb() barrier() -#define smp_rmb() barrier() - -/* - * __sync_lock_test_and_set() is documented to be an acquire barrier only, - * but it is a full barrier at the hardware level. Add a compiler barrier - * to make it a full barrier also at the compiler level. - */ -#define atomic_xchg(ptr, i) (barrier(), __sync_lock_test_and_set(ptr, i)) - -/* - * Load/store with Java volatile semantics. - */ -#define atomic_mb_set(ptr, i) ((void)atomic_xchg(ptr, i)) - -#elif defined(_ARCH_PPC) - -/* - * We use an eieio() for wmb() on powerpc. This assumes we don't - * need to order cacheable and non-cacheable stores with respect to - * each other. - * - * smp_mb has the same problem as on x86 for not-very-new GCC - * (http://patchwork.ozlabs.org/patch/126184/, Nov 2011). - */ -#define smp_wmb() ({ asm volatile("eieio" ::: "memory"); (void)0; }) -#if defined(__powerpc64__) -#define smp_rmb() ({ asm volatile("lwsync" ::: "memory"); (void)0; }) -#else -#define smp_rmb() ({ asm volatile("sync" ::: "memory"); (void)0; }) -#endif -#define smp_mb() ({ asm volatile("sync" ::: "memory"); (void)0; }) - -#endif /* _ARCH_PPC */ - -#endif /* C11 atomics */ - -/* - * For (host) platforms we don't have explicit barrier definitions - * for, we use the gcc __sync_synchronize() primitive to generate a - * full barrier. This should be safe on all platforms, though it may - * be overkill for smp_wmb() and smp_rmb(). - */ -#ifndef smp_mb -#define smp_mb() __sync_synchronize() -#endif - -#ifndef smp_wmb -#ifdef __ATOMIC_RELEASE -#define smp_wmb() __atomic_thread_fence(__ATOMIC_RELEASE) -#else -#define smp_wmb() __sync_synchronize() -#endif -#endif - -#ifndef smp_rmb -#ifdef __ATOMIC_ACQUIRE -#define smp_rmb() __atomic_thread_fence(__ATOMIC_ACQUIRE) -#else -#define smp_rmb() __sync_synchronize() -#endif -#endif - -#ifndef smp_read_barrier_depends -#ifdef __ATOMIC_CONSUME -#define smp_read_barrier_depends() __atomic_thread_fence(__ATOMIC_CONSUME) -#else -#define smp_read_barrier_depends() barrier() -#endif -#endif - -#ifndef atomic_read -#define atomic_read(ptr) (*(__typeof__(*ptr) *volatile) (ptr)) -#endif - -#ifndef atomic_set -#define atomic_set(ptr, i) ((*(__typeof__(*ptr) *volatile) (ptr)) = (i)) -#endif - -/* These have the same semantics as Java volatile variables. - * See http://gee.cs.oswego.edu/dl/jmm/cookbook.html: - * "1. Issue a StoreStore barrier (wmb) before each volatile store." - * 2. Issue a StoreLoad barrier after each volatile store. - * Note that you could instead issue one before each volatile load, but - * this would be slower for typical programs using volatiles in which - * reads greatly outnumber writes. Alternatively, if available, you - * can implement volatile store as an atomic instruction (for example - * XCHG on x86) and omit the barrier. This may be more efficient if - * atomic instructions are cheaper than StoreLoad barriers. - * 3. Issue LoadLoad and LoadStore barriers after each volatile load." - * - * If you prefer to think in terms of "pairing" of memory barriers, - * an atomic_mb_read pairs with an atomic_mb_set. - * - * And for the few ia64 lovers that exist, an atomic_mb_read is a ld.acq, - * while an atomic_mb_set is a st.rel followed by a memory barrier. - * - * These are a bit weaker than __atomic_load/store with __ATOMIC_SEQ_CST - * (see docs/atomics.txt), and I'm not sure that __ATOMIC_ACQ_REL is enough. - * Just always use the barriers manually by the rules above. - */ -#ifndef atomic_mb_read -#define atomic_mb_read(ptr) ({ \ - typeof(*ptr) _val = atomic_read(ptr); \ - smp_rmb(); \ - _val; \ -}) -#endif - -#ifndef atomic_mb_set -#define atomic_mb_set(ptr, i) do { \ - smp_wmb(); \ - atomic_set(ptr, i); \ - smp_mb(); \ -} while (0) -#endif - -#ifndef atomic_xchg -#ifdef __ATOMIC_SEQ_CST -#define atomic_xchg(ptr, i) ({ \ - typeof(*ptr) _new = (i), _old; \ - __atomic_exchange(ptr, &_new, &_old, __ATOMIC_SEQ_CST); \ - _old; \ -}) -#elif defined __clang__ -#define atomic_xchg(ptr, i) __sync_exchange(ptr, i) -#else -/* __sync_lock_test_and_set() is documented to be an acquire barrier only. */ -#define atomic_xchg(ptr, i) (smp_mb(), __sync_lock_test_and_set(ptr, i)) -#endif -#endif - -/* Provide shorter names for GCC atomic builtins. */ -#define atomic_fetch_inc(ptr) __sync_fetch_and_add(ptr, 1) -#define atomic_fetch_dec(ptr) __sync_fetch_and_add(ptr, -1) -#define atomic_fetch_add __sync_fetch_and_add -#define atomic_fetch_sub __sync_fetch_and_sub -#define atomic_fetch_and __sync_fetch_and_and -#define atomic_fetch_or __sync_fetch_and_or -#define atomic_cmpxchg __sync_val_compare_and_swap - -/* And even shorter names that return void. */ -#define atomic_inc(ptr) ((void) __sync_fetch_and_add(ptr, 1)) -#define atomic_dec(ptr) ((void) __sync_fetch_and_add(ptr, -1)) -#define atomic_add(ptr, n) ((void) __sync_fetch_and_add(ptr, n)) -#define atomic_sub(ptr, n) ((void) __sync_fetch_and_sub(ptr, n)) -#define atomic_and(ptr, n) ((void) __sync_fetch_and_and(ptr, n)) -#define atomic_or(ptr, n) ((void) __sync_fetch_and_or(ptr, n)) - -#endif diff --git a/contrib/qemu/include/qemu/bitmap.h b/contrib/qemu/include/qemu/bitmap.h deleted file mode 100644 index 308bbb71e9b..00000000000 --- a/contrib/qemu/include/qemu/bitmap.h +++ /dev/null @@ -1,222 +0,0 @@ -/* - * Bitmap Module - * - * Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com> - * - * Mostly inspired by (stolen from) linux/bitmap.h and linux/bitops.h - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef BITMAP_H -#define BITMAP_H - -#include "qemu-common.h" -#include "qemu/bitops.h" - -/* - * The available bitmap operations and their rough meaning in the - * case that the bitmap is a single unsigned long are thus: - * - * Note that nbits should be always a compile time evaluable constant. - * Otherwise many inlines will generate horrible code. - * - * bitmap_zero(dst, nbits) *dst = 0UL - * bitmap_fill(dst, nbits) *dst = ~0UL - * bitmap_copy(dst, src, nbits) *dst = *src - * bitmap_and(dst, src1, src2, nbits) *dst = *src1 & *src2 - * bitmap_or(dst, src1, src2, nbits) *dst = *src1 | *src2 - * bitmap_xor(dst, src1, src2, nbits) *dst = *src1 ^ *src2 - * bitmap_andnot(dst, src1, src2, nbits) *dst = *src1 & ~(*src2) - * bitmap_complement(dst, src, nbits) *dst = ~(*src) - * bitmap_equal(src1, src2, nbits) Are *src1 and *src2 equal? - * bitmap_intersects(src1, src2, nbits) Do *src1 and *src2 overlap? - * bitmap_empty(src, nbits) Are all bits zero in *src? - * bitmap_full(src, nbits) Are all bits set in *src? - * bitmap_set(dst, pos, nbits) Set specified bit area - * bitmap_clear(dst, pos, nbits) Clear specified bit area - * bitmap_find_next_zero_area(buf, len, pos, n, mask) Find bit free area - */ - -/* - * Also the following operations apply to bitmaps. - * - * set_bit(bit, addr) *addr |= bit - * clear_bit(bit, addr) *addr &= ~bit - * change_bit(bit, addr) *addr ^= bit - * test_bit(bit, addr) Is bit set in *addr? - * test_and_set_bit(bit, addr) Set bit and return old value - * test_and_clear_bit(bit, addr) Clear bit and return old value - * test_and_change_bit(bit, addr) Change bit and return old value - * find_first_zero_bit(addr, nbits) Position first zero bit in *addr - * find_first_bit(addr, nbits) Position first set bit in *addr - * find_next_zero_bit(addr, nbits, bit) Position next zero bit in *addr >= bit - * find_next_bit(addr, nbits, bit) Position next set bit in *addr >= bit - */ - -#define BITMAP_LAST_WORD_MASK(nbits) \ - ( \ - ((nbits) % BITS_PER_LONG) ? \ - (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \ - ) - -#define DECLARE_BITMAP(name,bits) \ - unsigned long name[BITS_TO_LONGS(bits)] - -#define small_nbits(nbits) \ - ((nbits) <= BITS_PER_LONG) - -int slow_bitmap_empty(const unsigned long *bitmap, int bits); -int slow_bitmap_full(const unsigned long *bitmap, int bits); -int slow_bitmap_equal(const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); -void slow_bitmap_complement(unsigned long *dst, const unsigned long *src, - int bits); -void slow_bitmap_shift_right(unsigned long *dst, - const unsigned long *src, int shift, int bits); -void slow_bitmap_shift_left(unsigned long *dst, - const unsigned long *src, int shift, int bits); -int slow_bitmap_and(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); -void slow_bitmap_or(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); -void slow_bitmap_xor(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); -int slow_bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); -int slow_bitmap_intersects(const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); - -static inline unsigned long *bitmap_new(int nbits) -{ - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - return g_malloc0(len); -} - -static inline void bitmap_zero(unsigned long *dst, int nbits) -{ - if (small_nbits(nbits)) { - *dst = 0UL; - } else { - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - memset(dst, 0, len); - } -} - -static inline void bitmap_fill(unsigned long *dst, int nbits) -{ - size_t nlongs = BITS_TO_LONGS(nbits); - if (!small_nbits(nbits)) { - int len = (nlongs - 1) * sizeof(unsigned long); - memset(dst, 0xff, len); - } - dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits); -} - -static inline void bitmap_copy(unsigned long *dst, const unsigned long *src, - int nbits) -{ - if (small_nbits(nbits)) { - *dst = *src; - } else { - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - memcpy(dst, src, len); - } -} - -static inline int bitmap_and(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - return (*dst = *src1 & *src2) != 0; - } - return slow_bitmap_and(dst, src1, src2, nbits); -} - -static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - *dst = *src1 | *src2; - } else { - slow_bitmap_or(dst, src1, src2, nbits); - } -} - -static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - *dst = *src1 ^ *src2; - } else { - slow_bitmap_xor(dst, src1, src2, nbits); - } -} - -static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - return (*dst = *src1 & ~(*src2)) != 0; - } - return slow_bitmap_andnot(dst, src1, src2, nbits); -} - -static inline void bitmap_complement(unsigned long *dst, const unsigned long *src, - int nbits) -{ - if (small_nbits(nbits)) { - *dst = ~(*src) & BITMAP_LAST_WORD_MASK(nbits); - } else { - slow_bitmap_complement(dst, src, nbits); - } -} - -static inline int bitmap_equal(const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits)); - } else { - return slow_bitmap_equal(src1, src2, nbits); - } -} - -static inline int bitmap_empty(const unsigned long *src, int nbits) -{ - if (small_nbits(nbits)) { - return ! (*src & BITMAP_LAST_WORD_MASK(nbits)); - } else { - return slow_bitmap_empty(src, nbits); - } -} - -static inline int bitmap_full(const unsigned long *src, int nbits) -{ - if (small_nbits(nbits)) { - return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits)); - } else { - return slow_bitmap_full(src, nbits); - } -} - -static inline int bitmap_intersects(const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_nbits(nbits)) { - return ((*src1 & *src2) & BITMAP_LAST_WORD_MASK(nbits)) != 0; - } else { - return slow_bitmap_intersects(src1, src2, nbits); - } -} - -void bitmap_set(unsigned long *map, int i, int len); -void bitmap_clear(unsigned long *map, int start, int nr); -unsigned long bitmap_find_next_zero_area(unsigned long *map, - unsigned long size, - unsigned long start, - unsigned int nr, - unsigned long align_mask); - -#endif /* BITMAP_H */ diff --git a/contrib/qemu/include/qemu/bitops.h b/contrib/qemu/include/qemu/bitops.h deleted file mode 100644 index affcc969dcf..00000000000 --- a/contrib/qemu/include/qemu/bitops.h +++ /dev/null @@ -1,276 +0,0 @@ -/* - * Bitops Module - * - * Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com> - * - * Mostly inspired by (stolen from) linux/bitmap.h and linux/bitops.h - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#ifndef BITOPS_H -#define BITOPS_H - -#include "qemu-common.h" -#include "host-utils.h" - -#define BITS_PER_BYTE CHAR_BIT -#define BITS_PER_LONG (sizeof (unsigned long) * BITS_PER_BYTE) - -#define BIT(nr) (1UL << (nr)) -#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) - -/** - * set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - */ -static inline void set_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - - *p |= mask; -} - -/** - * clear_bit - Clears a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - */ -static inline void clear_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - - *p &= ~mask; -} - -/** - * change_bit - Toggle a bit in memory - * @nr: Bit to change - * @addr: Address to start counting from - */ -static inline void change_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - - *p ^= mask; -} - -/** - * test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - */ -static inline int test_and_set_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; - - *p = old | mask; - return (old & mask) != 0; -} - -/** - * test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to clear - * @addr: Address to count from - */ -static inline int test_and_clear_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; - - *p = old & ~mask; - return (old & mask) != 0; -} - -/** - * test_and_change_bit - Change a bit and return its old value - * @nr: Bit to change - * @addr: Address to count from - */ -static inline int test_and_change_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; - - *p = old ^ mask; - return (old & mask) != 0; -} - -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static inline int test_bit(int nr, const unsigned long *addr) -{ - return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); -} - -/** - * find_last_bit - find the last set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit number of the first set bit, or size. - */ -unsigned long find_last_bit(const unsigned long *addr, - unsigned long size); - -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The bitmap size in bits - */ -unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset); - -/** - * find_next_zero_bit - find the next cleared bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The bitmap size in bits - */ - -unsigned long find_next_zero_bit(const unsigned long *addr, - unsigned long size, - unsigned long offset); - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit number of the first set bit. - */ -static inline unsigned long find_first_bit(const unsigned long *addr, - unsigned long size) -{ - return find_next_bit(addr, size, 0); -} - -/** - * find_first_zero_bit - find the first cleared bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit number of the first cleared bit. - */ -static inline unsigned long find_first_zero_bit(const unsigned long *addr, - unsigned long size) -{ - return find_next_zero_bit(addr, size, 0); -} - -static inline unsigned long hweight_long(unsigned long w) -{ - unsigned long count; - - for (count = 0; w; w >>= 1) { - count += w & 1; - } - return count; -} - -/** - * extract32: - * @value: the value to extract the bit field from - * @start: the lowest bit in the bit field (numbered from 0) - * @length: the length of the bit field - * - * Extract from the 32 bit input @value the bit field specified by the - * @start and @length parameters, and return it. The bit field must - * lie entirely within the 32 bit word. It is valid to request that - * all 32 bits are returned (ie @length 32 and @start 0). - * - * Returns: the value of the bit field extracted from the input value. - */ -static inline uint32_t extract32(uint32_t value, int start, int length) -{ - assert(start >= 0 && length > 0 && length <= 32 - start); - return (value >> start) & (~0U >> (32 - length)); -} - -/** - * extract64: - * @value: the value to extract the bit field from - * @start: the lowest bit in the bit field (numbered from 0) - * @length: the length of the bit field - * - * Extract from the 64 bit input @value the bit field specified by the - * @start and @length parameters, and return it. The bit field must - * lie entirely within the 64 bit word. It is valid to request that - * all 64 bits are returned (ie @length 64 and @start 0). - * - * Returns: the value of the bit field extracted from the input value. - */ -static inline uint64_t extract64(uint64_t value, int start, int length) -{ - assert(start >= 0 && length > 0 && length <= 64 - start); - return (value >> start) & (~0ULL >> (64 - length)); -} - -/** - * deposit32: - * @value: initial value to insert bit field into - * @start: the lowest bit in the bit field (numbered from 0) - * @length: the length of the bit field - * @fieldval: the value to insert into the bit field - * - * Deposit @fieldval into the 32 bit @value at the bit field specified - * by the @start and @length parameters, and return the modified - * @value. Bits of @value outside the bit field are not modified. - * Bits of @fieldval above the least significant @length bits are - * ignored. The bit field must lie entirely within the 32 bit word. - * It is valid to request that all 32 bits are modified (ie @length - * 32 and @start 0). - * - * Returns: the modified @value. - */ -static inline uint32_t deposit32(uint32_t value, int start, int length, - uint32_t fieldval) -{ - uint32_t mask; - assert(start >= 0 && length > 0 && length <= 32 - start); - mask = (~0U >> (32 - length)) << start; - return (value & ~mask) | ((fieldval << start) & mask); -} - -/** - * deposit64: - * @value: initial value to insert bit field into - * @start: the lowest bit in the bit field (numbered from 0) - * @length: the length of the bit field - * @fieldval: the value to insert into the bit field - * - * Deposit @fieldval into the 64 bit @value at the bit field specified - * by the @start and @length parameters, and return the modified - * @value. Bits of @value outside the bit field are not modified. - * Bits of @fieldval above the least significant @length bits are - * ignored. The bit field must lie entirely within the 64 bit word. - * It is valid to request that all 64 bits are modified (ie @length - * 64 and @start 0). - * - * Returns: the modified @value. - */ -static inline uint64_t deposit64(uint64_t value, int start, int length, - uint64_t fieldval) -{ - uint64_t mask; - assert(start >= 0 && length > 0 && length <= 64 - start); - mask = (~0ULL >> (64 - length)) << start; - return (value & ~mask) | ((fieldval << start) & mask); -} - -#endif diff --git a/contrib/qemu/include/qemu/bswap.h b/contrib/qemu/include/qemu/bswap.h deleted file mode 100644 index bf6457b8c46..00000000000 --- a/contrib/qemu/include/qemu/bswap.h +++ /dev/null @@ -1,487 +0,0 @@ -#ifndef BSWAP_H -#define BSWAP_H - -#include "config-host.h" -#include <inttypes.h> -#include <limits.h> -#include <string.h> -#include "fpu/softfloat.h" - -#ifdef CONFIG_MACHINE_BSWAP_H -# include <sys/endian.h> -# include <sys/types.h> -# include <machine/bswap.h> -#elif defined(__FreeBSD__) -# include <sys/endian.h> -#elif defined(CONFIG_BYTESWAP_H) -#ifdef GF_DARWIN_HOST_OS -# include <libkern/OSByteOrder.h> -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) -#else -# include <byteswap.h> -#endif - -static inline uint16_t bswap16(uint16_t x) -{ - return bswap_16(x); -} - -static inline uint32_t bswap32(uint32_t x) -{ - return bswap_32(x); -} - -static inline uint64_t bswap64(uint64_t x) -{ - return bswap_64(x); -} -# else -static inline uint16_t bswap16(uint16_t x) -{ - return (((x & 0x00ff) << 8) | - ((x & 0xff00) >> 8)); -} - -static inline uint32_t bswap32(uint32_t x) -{ - return (((x & 0x000000ffU) << 24) | - ((x & 0x0000ff00U) << 8) | - ((x & 0x00ff0000U) >> 8) | - ((x & 0xff000000U) >> 24)); -} - -static inline uint64_t bswap64(uint64_t x) -{ - return (((x & 0x00000000000000ffULL) << 56) | - ((x & 0x000000000000ff00ULL) << 40) | - ((x & 0x0000000000ff0000ULL) << 24) | - ((x & 0x00000000ff000000ULL) << 8) | - ((x & 0x000000ff00000000ULL) >> 8) | - ((x & 0x0000ff0000000000ULL) >> 24) | - ((x & 0x00ff000000000000ULL) >> 40) | - ((x & 0xff00000000000000ULL) >> 56)); -} -#endif /* ! CONFIG_MACHINE_BSWAP_H */ - -static inline void bswap16s(uint16_t *s) -{ - *s = bswap16(*s); -} - -static inline void bswap32s(uint32_t *s) -{ - *s = bswap32(*s); -} - -static inline void bswap64s(uint64_t *s) -{ - *s = bswap64(*s); -} - -#if defined(HOST_WORDS_BIGENDIAN) -#define be_bswap(v, size) (v) -#define le_bswap(v, size) glue(bswap, size)(v) -#define be_bswaps(v, size) -#define le_bswaps(p, size) do { *p = glue(bswap, size)(*p); } while(0) -#else -#define le_bswap(v, size) (v) -#define be_bswap(v, size) glue(bswap, size)(v) -#define le_bswaps(v, size) -#define be_bswaps(p, size) do { *p = glue(bswap, size)(*p); } while(0) -#endif - -#define CPU_CONVERT(endian, size, type)\ -static inline type endian ## size ## _to_cpu(type v)\ -{\ - return glue(endian, _bswap)(v, size);\ -}\ -\ -static inline type cpu_to_ ## endian ## size(type v)\ -{\ - return glue(endian, _bswap)(v, size);\ -}\ -\ -static inline void endian ## size ## _to_cpus(type *p)\ -{\ - glue(endian, _bswaps)(p, size);\ -}\ -\ -static inline void cpu_to_ ## endian ## size ## s(type *p)\ -{\ - glue(endian, _bswaps)(p, size);\ -}\ -\ -static inline type endian ## size ## _to_cpup(const type *p)\ -{\ - return glue(glue(endian, size), _to_cpu)(*p);\ -}\ -\ -static inline void cpu_to_ ## endian ## size ## w(type *p, type v)\ -{\ - *p = glue(glue(cpu_to_, endian), size)(v);\ -} - -CPU_CONVERT(be, 16, uint16_t) -CPU_CONVERT(be, 32, uint32_t) -CPU_CONVERT(be, 64, uint64_t) - -CPU_CONVERT(le, 16, uint16_t) -CPU_CONVERT(le, 32, uint32_t) -CPU_CONVERT(le, 64, uint64_t) - -/* len must be one of 1, 2, 4 */ -static inline uint32_t qemu_bswap_len(uint32_t value, int len) -{ - return bswap32(value) >> (32 - 8 * len); -} - -/* Unions for reinterpreting between floats and integers. */ - -typedef union { - float32 f; - uint32_t l; -} CPU_FloatU; - -typedef union { - float64 d; -#if defined(HOST_WORDS_BIGENDIAN) - struct { - uint32_t upper; - uint32_t lower; - } l; -#else - struct { - uint32_t lower; - uint32_t upper; - } l; -#endif - uint64_t ll; -} CPU_DoubleU; - -typedef union { - floatx80 d; - struct { - uint64_t lower; - uint16_t upper; - } l; -} CPU_LDoubleU; - -typedef union { - float128 q; -#if defined(HOST_WORDS_BIGENDIAN) - struct { - uint32_t upmost; - uint32_t upper; - uint32_t lower; - uint32_t lowest; - } l; - struct { - uint64_t upper; - uint64_t lower; - } ll; -#else - struct { - uint32_t lowest; - uint32_t lower; - uint32_t upper; - uint32_t upmost; - } l; - struct { - uint64_t lower; - uint64_t upper; - } ll; -#endif -} CPU_QuadU; - -/* unaligned/endian-independent pointer access */ - -/* - * the generic syntax is: - * - * load: ld{type}{sign}{size}{endian}_p(ptr) - * - * store: st{type}{size}{endian}_p(ptr, val) - * - * Note there are small differences with the softmmu access API! - * - * type is: - * (empty): integer access - * f : float access - * - * sign is: - * (empty): for floats or 32 bit size - * u : unsigned - * s : signed - * - * size is: - * b: 8 bits - * w: 16 bits - * l: 32 bits - * q: 64 bits - * - * endian is: - * (empty): host endian - * be : big endian - * le : little endian - */ - -static inline int ldub_p(const void *ptr) -{ - return *(uint8_t *)ptr; -} - -static inline int ldsb_p(const void *ptr) -{ - return *(int8_t *)ptr; -} - -static inline void stb_p(void *ptr, int v) -{ - *(uint8_t *)ptr = v; -} - -/* Any compiler worth its salt will turn these memcpy into native unaligned - operations. Thus we don't need to play games with packed attributes, or - inline byte-by-byte stores. */ - -static inline int lduw_p(const void *ptr) -{ - uint16_t r; - memcpy(&r, ptr, sizeof(r)); - return r; -} - -static inline int ldsw_p(const void *ptr) -{ - int16_t r; - memcpy(&r, ptr, sizeof(r)); - return r; -} - -static inline void stw_p(void *ptr, uint16_t v) -{ - memcpy(ptr, &v, sizeof(v)); -} - -static inline int ldl_p(const void *ptr) -{ - int32_t r; - memcpy(&r, ptr, sizeof(r)); - return r; -} - -static inline void stl_p(void *ptr, uint32_t v) -{ - memcpy(ptr, &v, sizeof(v)); -} - -static inline uint64_t ldq_p(const void *ptr) -{ - uint64_t r; - memcpy(&r, ptr, sizeof(r)); - return r; -} - -static inline void stq_p(void *ptr, uint64_t v) -{ - memcpy(ptr, &v, sizeof(v)); -} - -static inline int lduw_le_p(const void *ptr) -{ - return (uint16_t)le_bswap(lduw_p(ptr), 16); -} - -static inline int ldsw_le_p(const void *ptr) -{ - return (int16_t)le_bswap(lduw_p(ptr), 16); -} - -static inline int ldl_le_p(const void *ptr) -{ - return le_bswap(ldl_p(ptr), 32); -} - -static inline uint64_t ldq_le_p(const void *ptr) -{ - return le_bswap(ldq_p(ptr), 64); -} - -static inline void stw_le_p(void *ptr, int v) -{ - stw_p(ptr, le_bswap(v, 16)); -} - -static inline void stl_le_p(void *ptr, int v) -{ - stl_p(ptr, le_bswap(v, 32)); -} - -static inline void stq_le_p(void *ptr, uint64_t v) -{ - stq_p(ptr, le_bswap(v, 64)); -} - -/* float access */ - -static inline float32 ldfl_le_p(const void *ptr) -{ - CPU_FloatU u; - u.l = ldl_le_p(ptr); - return u.f; -} - -static inline void stfl_le_p(void *ptr, float32 v) -{ - CPU_FloatU u; - u.f = v; - stl_le_p(ptr, u.l); -} - -static inline float64 ldfq_le_p(const void *ptr) -{ - CPU_DoubleU u; - u.ll = ldq_le_p(ptr); - return u.d; -} - -static inline void stfq_le_p(void *ptr, float64 v) -{ - CPU_DoubleU u; - u.d = v; - stq_le_p(ptr, u.ll); -} - -static inline int lduw_be_p(const void *ptr) -{ - return (uint16_t)be_bswap(lduw_p(ptr), 16); -} - -static inline int ldsw_be_p(const void *ptr) -{ - return (int16_t)be_bswap(lduw_p(ptr), 16); -} - -static inline int ldl_be_p(const void *ptr) -{ - return be_bswap(ldl_p(ptr), 32); -} - -static inline uint64_t ldq_be_p(const void *ptr) -{ - return be_bswap(ldq_p(ptr), 64); -} - -static inline void stw_be_p(void *ptr, int v) -{ - stw_p(ptr, be_bswap(v, 16)); -} - -static inline void stl_be_p(void *ptr, int v) -{ - stl_p(ptr, be_bswap(v, 32)); -} - -static inline void stq_be_p(void *ptr, uint64_t v) -{ - stq_p(ptr, be_bswap(v, 64)); -} - -/* float access */ - -static inline float32 ldfl_be_p(const void *ptr) -{ - CPU_FloatU u; - u.l = ldl_be_p(ptr); - return u.f; -} - -static inline void stfl_be_p(void *ptr, float32 v) -{ - CPU_FloatU u; - u.f = v; - stl_be_p(ptr, u.l); -} - -static inline float64 ldfq_be_p(const void *ptr) -{ - CPU_DoubleU u; - u.ll = ldq_be_p(ptr); - return u.d; -} - -static inline void stfq_be_p(void *ptr, float64 v) -{ - CPU_DoubleU u; - u.d = v; - stq_be_p(ptr, u.ll); -} - -/* Legacy unaligned versions. Note that we never had a complete set. */ - -static inline void cpu_to_le16wu(uint16_t *p, uint16_t v) -{ - stw_le_p(p, v); -} - -static inline void cpu_to_le32wu(uint32_t *p, uint32_t v) -{ - stl_le_p(p, v); -} - -static inline uint16_t le16_to_cpupu(const uint16_t *p) -{ - return lduw_le_p(p); -} - -static inline uint32_t le32_to_cpupu(const uint32_t *p) -{ - return ldl_le_p(p); -} - -static inline uint32_t be32_to_cpupu(const uint32_t *p) -{ - return ldl_be_p(p); -} - -static inline void cpu_to_be16wu(uint16_t *p, uint16_t v) -{ - stw_be_p(p, v); -} - -static inline void cpu_to_be32wu(uint32_t *p, uint32_t v) -{ - stl_be_p(p, v); -} - -static inline void cpu_to_be64wu(uint64_t *p, uint64_t v) -{ - stq_be_p(p, v); -} - -static inline void cpu_to_32wu(uint32_t *p, uint32_t v) -{ - stl_p(p, v); -} - -static inline unsigned long leul_to_cpu(unsigned long v) -{ - /* In order to break an include loop between here and - qemu-common.h, don't rely on HOST_LONG_BITS. */ -#if ULONG_MAX == UINT32_MAX - return le_bswap(v, 32); -#elif ULONG_MAX == UINT64_MAX - return le_bswap(v, 64); -#else -# error Unknown sizeof long -#endif -} - -#undef le_bswap -#undef be_bswap -#undef le_bswaps -#undef be_bswaps - -#endif /* BSWAP_H */ diff --git a/contrib/qemu/include/qemu/compiler.h b/contrib/qemu/include/qemu/compiler.h deleted file mode 100644 index 155b358964a..00000000000 --- a/contrib/qemu/include/qemu/compiler.h +++ /dev/null @@ -1,55 +0,0 @@ -/* public domain */ - -#ifndef COMPILER_H -#define COMPILER_H - -#include "config-host.h" - -/*---------------------------------------------------------------------------- -| The macro QEMU_GNUC_PREREQ tests for minimum version of the GNU C compiler. -| The code is a copy of SOFTFLOAT_GNUC_PREREQ, see softfloat-macros.h. -*----------------------------------------------------------------------------*/ -#if defined(__GNUC__) && defined(__GNUC_MINOR__) -# define QEMU_GNUC_PREREQ(maj, min) \ - ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) -#else -# define QEMU_GNUC_PREREQ(maj, min) 0 -#endif - -#define QEMU_NORETURN __attribute__ ((__noreturn__)) - -#if QEMU_GNUC_PREREQ(3, 4) -#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) -#else -#define QEMU_WARN_UNUSED_RESULT -#endif - -#if defined(_WIN32) -# define QEMU_PACKED __attribute__((gcc_struct, packed)) -#else -# define QEMU_PACKED __attribute__((packed)) -#endif - -#define cat(x,y) x ## y -#define cat2(x,y) cat(x,y) -#define QEMU_BUILD_BUG_ON(x) \ - typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused)); - -#if defined __GNUC__ -# if !QEMU_GNUC_PREREQ(4, 4) - /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ -# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) -# else - /* Use gnu_printf when supported (qemu uses standard format strings). */ -# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) -# if defined(_WIN32) - /* Map __printf__ to __gnu_printf__ because we want standard format strings - * even when MinGW or GLib include files use __printf__. */ -# define __printf__ __gnu_printf__ -# endif -# endif -#else -#define GCC_FMT_ATTR(n, m) -#endif - -#endif /* COMPILER_H */ diff --git a/contrib/qemu/include/qemu/error-report.h b/contrib/qemu/include/qemu/error-report.h deleted file mode 100644 index 3b098a91730..00000000000 --- a/contrib/qemu/include/qemu/error-report.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Error reporting - * - * Copyright (C) 2010 Red Hat Inc. - * - * Authors: - * Markus Armbruster <armbru@redhat.com>, - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#ifndef QEMU_ERROR_H -#define QEMU_ERROR_H - -#include <stdarg.h> -#include <stdbool.h> -#include "qemu/compiler.h" - -typedef struct Location { - /* all members are private to qemu-error.c */ - enum { LOC_NONE, LOC_CMDLINE, LOC_FILE } kind; - int num; - const void *ptr; - struct Location *prev; -} Location; - -Location *loc_push_restore(Location *loc); -Location *loc_push_none(Location *loc); -Location *loc_pop(Location *loc); -Location *loc_save(Location *loc); -void loc_restore(Location *loc); -void loc_set_none(void); -void loc_set_cmdline(char **argv, int idx, int cnt); -void loc_set_file(const char *fname, int lno); - -void error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); -void error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2); -void error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2); -void error_print_loc(void); -void error_set_progname(const char *argv0); -void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); -const char *error_get_progname(void); -extern bool enable_timestamp_msg; - -#endif diff --git a/contrib/qemu/include/qemu/event_notifier.h b/contrib/qemu/include/qemu/event_notifier.h deleted file mode 100644 index 88b57af7ce8..00000000000 --- a/contrib/qemu/include/qemu/event_notifier.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * event notifier support - * - * Copyright Red Hat, Inc. 2010 - * - * Authors: - * Michael S. Tsirkin <mst@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#ifndef QEMU_EVENT_NOTIFIER_H -#define QEMU_EVENT_NOTIFIER_H - -#include "qemu-common.h" - -#ifdef _WIN32 -#include <windows.h> -#endif - -struct EventNotifier { -#ifdef _WIN32 - HANDLE event; -#else - int rfd; - int wfd; -#endif -}; - -typedef void EventNotifierHandler(EventNotifier *); - -int event_notifier_init(EventNotifier *, int active); -void event_notifier_cleanup(EventNotifier *); -int event_notifier_set(EventNotifier *); -int event_notifier_test_and_clear(EventNotifier *); -int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *); - -#ifdef CONFIG_POSIX -void event_notifier_init_fd(EventNotifier *, int fd); -int event_notifier_get_fd(EventNotifier *); -#else -HANDLE event_notifier_get_handle(EventNotifier *); -#endif - -#endif diff --git a/contrib/qemu/include/qemu/hbitmap.h b/contrib/qemu/include/qemu/hbitmap.h deleted file mode 100644 index 550d7ce2c39..00000000000 --- a/contrib/qemu/include/qemu/hbitmap.h +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Hierarchical Bitmap Data Type - * - * Copyright Red Hat, Inc., 2012 - * - * Author: Paolo Bonzini <pbonzini@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or - * later. See the COPYING file in the top-level directory. - */ - -#ifndef HBITMAP_H -#define HBITMAP_H 1 - -#include <limits.h> -#include <stdint.h> -#include <stdbool.h> -#include "bitops.h" -#include "host-utils.h" - -typedef struct HBitmap HBitmap; -typedef struct HBitmapIter HBitmapIter; - -#define BITS_PER_LEVEL (BITS_PER_LONG == 32 ? 5 : 6) - -/* For 32-bit, the largest that fits in a 4 GiB address space. - * For 64-bit, the number of sectors in 1 PiB. Good luck, in - * either case... :) - */ -#define HBITMAP_LOG_MAX_SIZE (BITS_PER_LONG == 32 ? 34 : 41) - -/* We need to place a sentinel in level 0 to speed up iteration. Thus, - * we do this instead of HBITMAP_LOG_MAX_SIZE / BITS_PER_LEVEL. The - * difference is that it allocates an extra level when HBITMAP_LOG_MAX_SIZE - * is an exact multiple of BITS_PER_LEVEL. - */ -#define HBITMAP_LEVELS ((HBITMAP_LOG_MAX_SIZE / BITS_PER_LEVEL) + 1) - -struct HBitmapIter { - const HBitmap *hb; - - /* Copied from hb for access in the inline functions (hb is opaque). */ - int granularity; - - /* Entry offset into the last-level array of longs. */ - size_t pos; - - /* The currently-active path in the tree. Each item of cur[i] stores - * the bits (i.e. the subtrees) yet to be processed under that node. - */ - unsigned long cur[HBITMAP_LEVELS]; -}; - -/** - * hbitmap_alloc: - * @size: Number of bits in the bitmap. - * @granularity: Granularity of the bitmap. Aligned groups of 2^@granularity - * bits will be represented by a single bit. Each operation on a - * range of bits first rounds the bits to determine which group they land - * in, and then affect the entire set; iteration will only visit the first - * bit of each group. - * - * Allocate a new HBitmap. - */ -HBitmap *hbitmap_alloc(uint64_t size, int granularity); - -/** - * hbitmap_empty: - * @hb: HBitmap to operate on. - * - * Return whether the bitmap is empty. - */ -bool hbitmap_empty(const HBitmap *hb); - -/** - * hbitmap_granularity: - * @hb: HBitmap to operate on. - * - * Return the granularity of the HBitmap. - */ -int hbitmap_granularity(const HBitmap *hb); - -/** - * hbitmap_count: - * @hb: HBitmap to operate on. - * - * Return the number of bits set in the HBitmap. - */ -uint64_t hbitmap_count(const HBitmap *hb); - -/** - * hbitmap_set: - * @hb: HBitmap to operate on. - * @start: First bit to set (0-based). - * @count: Number of bits to set. - * - * Set a consecutive range of bits in an HBitmap. - */ -void hbitmap_set(HBitmap *hb, uint64_t start, uint64_t count); - -/** - * hbitmap_reset: - * @hb: HBitmap to operate on. - * @start: First bit to reset (0-based). - * @count: Number of bits to reset. - * - * Reset a consecutive range of bits in an HBitmap. - */ -void hbitmap_reset(HBitmap *hb, uint64_t start, uint64_t count); - -/** - * hbitmap_get: - * @hb: HBitmap to operate on. - * @item: Bit to query (0-based). - * - * Return whether the @item-th bit in an HBitmap is set. - */ -bool hbitmap_get(const HBitmap *hb, uint64_t item); - -/** - * hbitmap_free: - * @hb: HBitmap to operate on. - * - * Free an HBitmap and all of its associated memory. - */ -void hbitmap_free(HBitmap *hb); - -/** - * hbitmap_iter_init: - * @hbi: HBitmapIter to initialize. - * @hb: HBitmap to iterate on. - * @first: First bit to visit (0-based, must be strictly less than the - * size of the bitmap). - * - * Set up @hbi to iterate on the HBitmap @hb. hbitmap_iter_next will return - * the lowest-numbered bit that is set in @hb, starting at @first. - * - * Concurrent setting of bits is acceptable, and will at worst cause the - * iteration to miss some of those bits. Resetting bits before the current - * position of the iterator is also okay. However, concurrent resetting of - * bits can lead to unexpected behavior if the iterator has not yet reached - * those bits. - */ -void hbitmap_iter_init(HBitmapIter *hbi, const HBitmap *hb, uint64_t first); - -/* hbitmap_iter_skip_words: - * @hbi: HBitmapIter to operate on. - * - * Internal function used by hbitmap_iter_next and hbitmap_iter_next_word. - */ -unsigned long hbitmap_iter_skip_words(HBitmapIter *hbi); - -/** - * hbitmap_iter_next: - * @hbi: HBitmapIter to operate on. - * - * Return the next bit that is set in @hbi's associated HBitmap, - * or -1 if all remaining bits are zero. - */ -static inline int64_t hbitmap_iter_next(HBitmapIter *hbi) -{ - unsigned long cur = hbi->cur[HBITMAP_LEVELS - 1]; - int64_t item; - - if (cur == 0) { - cur = hbitmap_iter_skip_words(hbi); - if (cur == 0) { - return -1; - } - } - - /* The next call will resume work from the next bit. */ - hbi->cur[HBITMAP_LEVELS - 1] = cur & (cur - 1); - item = ((uint64_t)hbi->pos << BITS_PER_LEVEL) + ctzl(cur); - - return item << hbi->granularity; -} - -/** - * hbitmap_iter_next_word: - * @hbi: HBitmapIter to operate on. - * @p_cur: Location where to store the next non-zero word. - * - * Return the index of the next nonzero word that is set in @hbi's - * associated HBitmap, and set *p_cur to the content of that word - * (bits before the index that was passed to hbitmap_iter_init are - * trimmed on the first call). Return -1, and set *p_cur to zero, - * if all remaining words are zero. - */ -static inline size_t hbitmap_iter_next_word(HBitmapIter *hbi, unsigned long *p_cur) -{ - unsigned long cur = hbi->cur[HBITMAP_LEVELS - 1]; - - if (cur == 0) { - cur = hbitmap_iter_skip_words(hbi); - if (cur == 0) { - *p_cur = 0; - return -1; - } - } - - /* The next call will resume work from the next word. */ - hbi->cur[HBITMAP_LEVELS - 1] = 0; - *p_cur = cur; - return hbi->pos; -} - - -#endif diff --git a/contrib/qemu/include/qemu/host-utils.h b/contrib/qemu/include/qemu/host-utils.h deleted file mode 100644 index 0f688c1c00a..00000000000 --- a/contrib/qemu/include/qemu/host-utils.h +++ /dev/null @@ -1,322 +0,0 @@ -/* - * Utility compute operations used by translated code. - * - * Copyright (c) 2007 Thiemo Seufer - * Copyright (c) 2007 Jocelyn Mayer - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef HOST_UTILS_H -#define HOST_UTILS_H 1 - -#include "qemu/compiler.h" /* QEMU_GNUC_PREREQ */ -#include <limits.h> - -#ifdef CONFIG_INT128 -static inline void mulu64(uint64_t *plow, uint64_t *phigh, - uint64_t a, uint64_t b) -{ - __uint128_t r = (__uint128_t)a * b; - *plow = r; - *phigh = r >> 64; -} - -static inline void muls64(uint64_t *plow, uint64_t *phigh, - int64_t a, int64_t b) -{ - __int128_t r = (__int128_t)a * b; - *plow = r; - *phigh = r >> 64; -} -#else -void muls64(uint64_t *phigh, uint64_t *plow, int64_t a, int64_t b); -void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b); -#endif - -/** - * clz32 - count leading zeros in a 32-bit value. - * @val: The value to search - * - * Returns 32 if the value is zero. Note that the GCC builtin is - * undefined if the value is zero. - */ -static inline int clz32(uint32_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return val ? __builtin_clz(val) : 32; -#else - /* Binary search for the leading one bit. */ - int cnt = 0; - - if (!(val & 0xFFFF0000U)) { - cnt += 16; - val <<= 16; - } - if (!(val & 0xFF000000U)) { - cnt += 8; - val <<= 8; - } - if (!(val & 0xF0000000U)) { - cnt += 4; - val <<= 4; - } - if (!(val & 0xC0000000U)) { - cnt += 2; - val <<= 2; - } - if (!(val & 0x80000000U)) { - cnt++; - val <<= 1; - } - if (!(val & 0x80000000U)) { - cnt++; - } - return cnt; -#endif -} - -/** - * clo32 - count leading ones in a 32-bit value. - * @val: The value to search - * - * Returns 32 if the value is -1. - */ -static inline int clo32(uint32_t val) -{ - return clz32(~val); -} - -/** - * clz64 - count leading zeros in a 64-bit value. - * @val: The value to search - * - * Returns 64 if the value is zero. Note that the GCC builtin is - * undefined if the value is zero. - */ -static inline int clz64(uint64_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return val ? __builtin_clzll(val) : 64; -#else - int cnt = 0; - - if (!(val >> 32)) { - cnt += 32; - } else { - val >>= 32; - } - - return cnt + clz32(val); -#endif -} - -/** - * clo64 - count leading ones in a 64-bit value. - * @val: The value to search - * - * Returns 64 if the value is -1. - */ -static inline int clo64(uint64_t val) -{ - return clz64(~val); -} - -/** - * ctz32 - count trailing zeros in a 32-bit value. - * @val: The value to search - * - * Returns 32 if the value is zero. Note that the GCC builtin is - * undefined if the value is zero. - */ -static inline int ctz32(uint32_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return val ? __builtin_ctz(val) : 32; -#else - /* Binary search for the trailing one bit. */ - int cnt; - - cnt = 0; - if (!(val & 0x0000FFFFUL)) { - cnt += 16; - val >>= 16; - } - if (!(val & 0x000000FFUL)) { - cnt += 8; - val >>= 8; - } - if (!(val & 0x0000000FUL)) { - cnt += 4; - val >>= 4; - } - if (!(val & 0x00000003UL)) { - cnt += 2; - val >>= 2; - } - if (!(val & 0x00000001UL)) { - cnt++; - val >>= 1; - } - if (!(val & 0x00000001UL)) { - cnt++; - } - - return cnt; -#endif -} - -/** - * cto32 - count trailing ones in a 32-bit value. - * @val: The value to search - * - * Returns 32 if the value is -1. - */ -static inline int cto32(uint32_t val) -{ - return ctz32(~val); -} - -/** - * ctz64 - count trailing zeros in a 64-bit value. - * @val: The value to search - * - * Returns 64 if the value is zero. Note that the GCC builtin is - * undefined if the value is zero. - */ -static inline int ctz64(uint64_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return val ? __builtin_ctzll(val) : 64; -#else - int cnt; - - cnt = 0; - if (!((uint32_t)val)) { - cnt += 32; - val >>= 32; - } - - return cnt + ctz32(val); -#endif -} - -/** - * ctz64 - count trailing ones in a 64-bit value. - * @val: The value to search - * - * Returns 64 if the value is -1. - */ -static inline int cto64(uint64_t val) -{ - return ctz64(~val); -} - -/** - * ctpop8 - count the population of one bits in an 8-bit value. - * @val: The value to search - */ -static inline int ctpop8(uint8_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return __builtin_popcount(val); -#else - val = (val & 0x55) + ((val >> 1) & 0x55); - val = (val & 0x33) + ((val >> 2) & 0x33); - val = (val & 0x0f) + ((val >> 4) & 0x0f); - - return val; -#endif -} - -/** - * ctpop16 - count the population of one bits in a 16-bit value. - * @val: The value to search - */ -static inline int ctpop16(uint16_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return __builtin_popcount(val); -#else - val = (val & 0x5555) + ((val >> 1) & 0x5555); - val = (val & 0x3333) + ((val >> 2) & 0x3333); - val = (val & 0x0f0f) + ((val >> 4) & 0x0f0f); - val = (val & 0x00ff) + ((val >> 8) & 0x00ff); - - return val; -#endif -} - -/** - * ctpop32 - count the population of one bits in a 32-bit value. - * @val: The value to search - */ -static inline int ctpop32(uint32_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return __builtin_popcount(val); -#else - val = (val & 0x55555555) + ((val >> 1) & 0x55555555); - val = (val & 0x33333333) + ((val >> 2) & 0x33333333); - val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); - val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff); - val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff); - - return val; -#endif -} - -/** - * ctpop64 - count the population of one bits in a 64-bit value. - * @val: The value to search - */ -static inline int ctpop64(uint64_t val) -{ -#if QEMU_GNUC_PREREQ(3, 4) - return __builtin_popcountll(val); -#else - val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL); - val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL); - val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & 0x0f0f0f0f0f0f0f0fULL); - val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & 0x00ff00ff00ff00ffULL); - val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & 0x0000ffff0000ffffULL); - val = (val & 0x00000000ffffffffULL) + ((val >> 32) & 0x00000000ffffffffULL); - - return val; -#endif -} - -/* Host type specific sizes of these routines. */ - -#if ULONG_MAX == UINT32_MAX -# define clzl clz32 -# define ctzl ctz32 -# define clol clo32 -# define ctol cto32 -# define ctpopl ctpop32 -#elif ULONG_MAX == UINT64_MAX -# define clzl clz64 -# define ctzl ctz64 -# define clol clo64 -# define ctol cto64 -# define ctpopl ctpop64 -#else -# error Unknown sizeof long -#endif - -#endif diff --git a/contrib/qemu/include/qemu/iov.h b/contrib/qemu/include/qemu/iov.h deleted file mode 100644 index 68d25f29b76..00000000000 --- a/contrib/qemu/include/qemu/iov.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Helpers for using (partial) iovecs. - * - * Copyright (C) 2010 Red Hat, Inc. - * - * Author(s): - * Amit Shah <amit.shah@redhat.com> - * Michael Tokarev <mjt@tls.msk.ru> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - */ - -#ifndef IOV_H -#define IOV_H - -#include "qemu-common.h" - -/** - * count and return data size, in bytes, of an iovec - * starting at `iov' of `iov_cnt' number of elements. - */ -size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt); - -/** - * Copy from single continuous buffer to scatter-gather vector of buffers - * (iovec) and back like memcpy() between two continuous memory regions. - * Data in single continuous buffer starting at address `buf' and - * `bytes' bytes long will be copied to/from an iovec `iov' with - * `iov_cnt' number of elements, starting at byte position `offset' - * within the iovec. If the iovec does not contain enough space, - * only part of data will be copied, up to the end of the iovec. - * Number of bytes actually copied will be returned, which is - * min(bytes, iov_size(iov)-offset) - * `Offset' must point to the inside of iovec. - * It is okay to use very large value for `bytes' since we're - * limited by the size of the iovec anyway, provided that the - * buffer pointed to by buf has enough space. One possible - * such "large" value is -1 (sinice size_t is unsigned), - * so specifying `-1' as `bytes' means 'up to the end of iovec'. - */ -size_t iov_from_buf(const struct iovec *iov, unsigned int iov_cnt, - size_t offset, const void *buf, size_t bytes); -size_t iov_to_buf(const struct iovec *iov, const unsigned int iov_cnt, - size_t offset, void *buf, size_t bytes); - -/** - * Set data bytes pointed out by iovec `iov' of size `iov_cnt' elements, - * starting at byte offset `start', to value `fillc', repeating it - * `bytes' number of times. `Offset' must point to the inside of iovec. - * If `bytes' is large enough, only last bytes portion of iovec, - * up to the end of it, will be filled with the specified value. - * Function return actual number of bytes processed, which is - * min(size, iov_size(iov) - offset). - * Again, it is okay to use large value for `bytes' to mean "up to the end". - */ -size_t iov_memset(const struct iovec *iov, const unsigned int iov_cnt, - size_t offset, int fillc, size_t bytes); - -/* - * Send/recv data from/to iovec buffers directly - * - * `offset' bytes in the beginning of iovec buffer are skipped and - * next `bytes' bytes are used, which must be within data of iovec. - * - * r = iov_send_recv(sockfd, iov, iovcnt, offset, bytes, true); - * - * is logically equivalent to - * - * char *buf = malloc(bytes); - * iov_to_buf(iov, iovcnt, offset, buf, bytes); - * r = send(sockfd, buf, bytes, 0); - * free(buf); - * - * For iov_send_recv() _whole_ area being sent or received - * should be within the iovec, not only beginning of it. - */ -ssize_t iov_send_recv(int sockfd, struct iovec *iov, unsigned iov_cnt, - size_t offset, size_t bytes, bool do_send); -#define iov_recv(sockfd, iov, iov_cnt, offset, bytes) \ - iov_send_recv(sockfd, iov, iov_cnt, offset, bytes, false) -#define iov_send(sockfd, iov, iov_cnt, offset, bytes) \ - iov_send_recv(sockfd, iov, iov_cnt, offset, bytes, true) - -/** - * Produce a text hexdump of iovec `iov' with `iov_cnt' number of elements - * in file `fp', prefixing each line with `prefix' and processing not more - * than `limit' data bytes. - */ -void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt, - FILE *fp, const char *prefix, size_t limit); - -/* - * Partial copy of vector from iov to dst_iov (data is not copied). - * dst_iov overlaps iov at a specified offset. - * size of dst_iov is at most bytes. dst vector count is returned. - */ -unsigned iov_copy(struct iovec *dst_iov, unsigned int dst_iov_cnt, - const struct iovec *iov, unsigned int iov_cnt, - size_t offset, size_t bytes); - -/* - * Remove a given number of bytes from the front or back of a vector. - * This may update iov and/or iov_cnt to exclude iovec elements that are - * no longer required. - * - * The number of bytes actually discarded is returned. This number may be - * smaller than requested if the vector is too small. - */ -size_t iov_discard_front(struct iovec **iov, unsigned int *iov_cnt, - size_t bytes); -size_t iov_discard_back(struct iovec *iov, unsigned int *iov_cnt, - size_t bytes); - -#endif diff --git a/contrib/qemu/include/qemu/main-loop.h b/contrib/qemu/include/qemu/main-loop.h deleted file mode 100644 index 6f0200a7acc..00000000000 --- a/contrib/qemu/include/qemu/main-loop.h +++ /dev/null @@ -1,311 +0,0 @@ -/* - * QEMU System Emulator - * - * Copyright (c) 2003-2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef QEMU_MAIN_LOOP_H -#define QEMU_MAIN_LOOP_H 1 - -#include "block/aio.h" - -#define SIG_IPI SIGUSR1 - -/** - * qemu_init_main_loop: Set up the process so that it can run the main loop. - * - * This includes setting up signal handlers. It should be called before - * any other threads are created. In addition, threads other than the - * main one should block signals that are trapped by the main loop. - * For simplicity, you can consider these signals to be safe: SIGUSR1, - * SIGUSR2, thread signals (SIGFPE, SIGILL, SIGSEGV, SIGBUS) and real-time - * signals if available. Remember that Windows in practice does not have - * signals, though. - * - * In the case of QEMU tools, this will also start/initialize timers. - */ -int qemu_init_main_loop(void); - -/** - * main_loop_wait: Run one iteration of the main loop. - * - * If @nonblocking is true, poll for events, otherwise suspend until - * one actually occurs. The main loop usually consists of a loop that - * repeatedly calls main_loop_wait(false). - * - * Main loop services include file descriptor callbacks, bottom halves - * and timers (defined in qemu-timer.h). Bottom halves are similar to timers - * that execute immediately, but have a lower overhead and scheduling them - * is wait-free, thread-safe and signal-safe. - * - * It is sometimes useful to put a whole program in a coroutine. In this - * case, the coroutine actually should be started from within the main loop, - * so that the main loop can run whenever the coroutine yields. To do this, - * you can use a bottom half to enter the coroutine as soon as the main loop - * starts: - * - * void enter_co_bh(void *opaque) { - * QEMUCoroutine *co = opaque; - * qemu_coroutine_enter(co, NULL); - * } - * - * ... - * QEMUCoroutine *co = qemu_coroutine_create(coroutine_entry); - * QEMUBH *start_bh = qemu_bh_new(enter_co_bh, co); - * qemu_bh_schedule(start_bh); - * while (...) { - * main_loop_wait(false); - * } - * - * (In the future we may provide a wrapper for this). - * - * @nonblocking: Whether the caller should block until an event occurs. - */ -int main_loop_wait(int nonblocking); - -/** - * qemu_get_aio_context: Return the main loop's AioContext - */ -AioContext *qemu_get_aio_context(void); - -/** - * qemu_notify_event: Force processing of pending events. - * - * Similar to signaling a condition variable, qemu_notify_event forces - * main_loop_wait to look at pending events and exit. The caller of - * main_loop_wait will usually call it again very soon, so qemu_notify_event - * also has the side effect of recalculating the sets of file descriptors - * that the main loop waits for. - * - * Calling qemu_notify_event is rarely necessary, because main loop - * services (bottom halves and timers) call it themselves. One notable - * exception occurs when using qemu_set_fd_handler2 (see below). - */ -void qemu_notify_event(void); - -#ifdef _WIN32 -/* return TRUE if no sleep should be done afterwards */ -typedef int PollingFunc(void *opaque); - -/** - * qemu_add_polling_cb: Register a Windows-specific polling callback - * - * Currently, under Windows some events are polled rather than waited for. - * Polling callbacks do not ensure that @func is called timely, because - * the main loop might wait for an arbitrarily long time. If possible, - * you should instead create a separate thread that does a blocking poll - * and set a Win32 event object. The event can then be passed to - * qemu_add_wait_object. - * - * Polling callbacks really have nothing Windows specific in them, but - * as they are a hack and are currently not necessary under POSIX systems, - * they are only available when QEMU is running under Windows. - * - * @func: The function that does the polling, and returns 1 to force - * immediate completion of main_loop_wait. - * @opaque: A pointer-size value that is passed to @func. - */ -int qemu_add_polling_cb(PollingFunc *func, void *opaque); - -/** - * qemu_del_polling_cb: Unregister a Windows-specific polling callback - * - * This function removes a callback that was registered with - * qemu_add_polling_cb. - * - * @func: The function that was passed to qemu_add_polling_cb. - * @opaque: A pointer-size value that was passed to qemu_add_polling_cb. - */ -void qemu_del_polling_cb(PollingFunc *func, void *opaque); - -/* Wait objects handling */ -typedef void WaitObjectFunc(void *opaque); - -/** - * qemu_add_wait_object: Register a callback for a Windows handle - * - * Under Windows, the iohandler mechanism can only be used with sockets. - * QEMU must use the WaitForMultipleObjects API to wait on other handles. - * This function registers a #HANDLE with QEMU, so that it will be included - * in the main loop's calls to WaitForMultipleObjects. When the handle - * is in a signaled state, QEMU will call @func. - * - * @handle: The Windows handle to be observed. - * @func: A function to be called when @handle is in a signaled state. - * @opaque: A pointer-size value that is passed to @func. - */ -int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque); - -/** - * qemu_del_wait_object: Unregister a callback for a Windows handle - * - * This function removes a callback that was registered with - * qemu_add_wait_object. - * - * @func: The function that was passed to qemu_add_wait_object. - * @opaque: A pointer-size value that was passed to qemu_add_wait_object. - */ -void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque); -#endif - -/* async I/O support */ - -typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); -typedef int IOCanReadHandler(void *opaque); - -/** - * qemu_set_fd_handler2: Register a file descriptor with the main loop - * - * This function tells the main loop to wake up whenever one of the - * following conditions is true: - * - * 1) if @fd_write is not %NULL, when the file descriptor is writable; - * - * 2) if @fd_read is not %NULL, when the file descriptor is readable. - * - * @fd_read_poll can be used to disable the @fd_read callback temporarily. - * This is useful to avoid calling qemu_set_fd_handler2 every time the - * client becomes interested in reading (or dually, stops being interested). - * A typical example is when @fd is a listening socket and you want to bound - * the number of active clients. Remember to call qemu_notify_event whenever - * the condition may change from %false to %true. - * - * The callbacks that are set up by qemu_set_fd_handler2 are level-triggered. - * If @fd_read does not read from @fd, or @fd_write does not write to @fd - * until its buffers are full, they will be called again on the next - * iteration. - * - * @fd: The file descriptor to be observed. Under Windows it must be - * a #SOCKET. - * - * @fd_read_poll: A function that returns 1 if the @fd_read callback - * should be fired. If the function returns 0, the main loop will not - * end its iteration even if @fd becomes readable. - * - * @fd_read: A level-triggered callback that is fired if @fd is readable - * at the beginning of a main loop iteration, or if it becomes readable - * during one. - * - * @fd_write: A level-triggered callback that is fired when @fd is writable - * at the beginning of a main loop iteration, or if it becomes writable - * during one. - * - * @opaque: A pointer-sized value that is passed to @fd_read_poll, - * @fd_read and @fd_write. - */ -int qemu_set_fd_handler2(int fd, - IOCanReadHandler *fd_read_poll, - IOHandler *fd_read, - IOHandler *fd_write, - void *opaque); - -/** - * qemu_set_fd_handler: Register a file descriptor with the main loop - * - * This function tells the main loop to wake up whenever one of the - * following conditions is true: - * - * 1) if @fd_write is not %NULL, when the file descriptor is writable; - * - * 2) if @fd_read is not %NULL, when the file descriptor is readable. - * - * The callbacks that are set up by qemu_set_fd_handler are level-triggered. - * If @fd_read does not read from @fd, or @fd_write does not write to @fd - * until its buffers are full, they will be called again on the next - * iteration. - * - * @fd: The file descriptor to be observed. Under Windows it must be - * a #SOCKET. - * - * @fd_read: A level-triggered callback that is fired if @fd is readable - * at the beginning of a main loop iteration, or if it becomes readable - * during one. - * - * @fd_write: A level-triggered callback that is fired when @fd is writable - * at the beginning of a main loop iteration, or if it becomes writable - * during one. - * - * @opaque: A pointer-sized value that is passed to @fd_read and @fd_write. - */ -int qemu_set_fd_handler(int fd, - IOHandler *fd_read, - IOHandler *fd_write, - void *opaque); - -#ifdef CONFIG_POSIX -/** - * qemu_add_child_watch: Register a child process for reaping. - * - * Under POSIX systems, a parent process must read the exit status of - * its child processes using waitpid, or the operating system will not - * free some of the resources attached to that process. - * - * This function directs the QEMU main loop to observe a child process - * and call waitpid as soon as it exits; the watch is then removed - * automatically. It is useful whenever QEMU forks a child process - * but will find out about its termination by other means such as a - * "broken pipe". - * - * @pid: The pid that QEMU should observe. - */ -int qemu_add_child_watch(pid_t pid); -#endif - -/** - * qemu_mutex_lock_iothread: Lock the main loop mutex. - * - * This function locks the main loop mutex. The mutex is taken by - * qemu_init_main_loop and always taken except while waiting on - * external events (such as with select). The mutex should be taken - * by threads other than the main loop thread when calling - * qemu_bh_new(), qemu_set_fd_handler() and basically all other - * functions documented in this file. - * - * NOTE: tools currently are single-threaded and qemu_mutex_lock_iothread - * is a no-op there. - */ -void qemu_mutex_lock_iothread(void); - -/** - * qemu_mutex_unlock_iothread: Unlock the main loop mutex. - * - * This function unlocks the main loop mutex. The mutex is taken by - * qemu_init_main_loop and always taken except while waiting on - * external events (such as with select). The mutex should be unlocked - * as soon as possible by threads other than the main loop thread, - * because it prevents the main loop from processing callbacks, - * including timers and bottom halves. - * - * NOTE: tools currently are single-threaded and qemu_mutex_unlock_iothread - * is a no-op there. - */ -void qemu_mutex_unlock_iothread(void); - -/* internal interfaces */ - -void qemu_fd_register(int fd); -void qemu_iohandler_fill(GArray *pollfds); -void qemu_iohandler_poll(GArray *pollfds, int rc); - -QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); -void qemu_bh_schedule_idle(QEMUBH *bh); - -#endif diff --git a/contrib/qemu/include/qemu/module.h b/contrib/qemu/include/qemu/module.h deleted file mode 100644 index c4ccd571664..00000000000 --- a/contrib/qemu/include/qemu/module.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * QEMU Module Infrastructure - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_MODULE_H -#define QEMU_MODULE_H - -/* This should not be used directly. Use block_init etc. instead. */ -#define module_init(function, type) \ -static void __attribute__((constructor)) do_qemu_init_ ## function(void) { \ - register_module_init(function, type); \ -} - -typedef enum { - MODULE_INIT_BLOCK, - MODULE_INIT_MACHINE, - MODULE_INIT_QAPI, - MODULE_INIT_QOM, - MODULE_INIT_MAX -} module_init_type; - -#define block_init(function) module_init(function, MODULE_INIT_BLOCK) -#define machine_init(function) module_init(function, MODULE_INIT_MACHINE) -#define qapi_init(function) module_init(function, MODULE_INIT_QAPI) -#define type_init(function) module_init(function, MODULE_INIT_QOM) - -void register_module_init(void (*fn)(void), module_init_type type); - -void module_call_init(module_init_type type); - -#endif diff --git a/contrib/qemu/include/qemu/notify.h b/contrib/qemu/include/qemu/notify.h deleted file mode 100644 index a3d73e4bc76..00000000000 --- a/contrib/qemu/include/qemu/notify.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Notifier lists - * - * Copyright IBM, Corp. 2010 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_NOTIFY_H -#define QEMU_NOTIFY_H - -#include "qemu/queue.h" - -typedef struct Notifier Notifier; - -struct Notifier -{ - void (*notify)(Notifier *notifier, void *data); - QLIST_ENTRY(Notifier) node; -}; - -typedef struct NotifierList -{ - QLIST_HEAD(, Notifier) notifiers; -} NotifierList; - -#define NOTIFIER_LIST_INITIALIZER(head) \ - { QLIST_HEAD_INITIALIZER((head).notifiers) } - -void notifier_list_init(NotifierList *list); - -void notifier_list_add(NotifierList *list, Notifier *notifier); - -void notifier_remove(Notifier *notifier); - -void notifier_list_notify(NotifierList *list, void *data); - -/* Same as Notifier but allows .notify() to return errors */ -typedef struct NotifierWithReturn NotifierWithReturn; - -struct NotifierWithReturn { - /** - * Return 0 on success (next notifier will be invoked), otherwise - * notifier_with_return_list_notify() will stop and return the value. - */ - int (*notify)(NotifierWithReturn *notifier, void *data); - QLIST_ENTRY(NotifierWithReturn) node; -}; - -typedef struct NotifierWithReturnList { - QLIST_HEAD(, NotifierWithReturn) notifiers; -} NotifierWithReturnList; - -#define NOTIFIER_WITH_RETURN_LIST_INITIALIZER(head) \ - { QLIST_HEAD_INITIALIZER((head).notifiers) } - -void notifier_with_return_list_init(NotifierWithReturnList *list); - -void notifier_with_return_list_add(NotifierWithReturnList *list, - NotifierWithReturn *notifier); - -void notifier_with_return_remove(NotifierWithReturn *notifier); - -int notifier_with_return_list_notify(NotifierWithReturnList *list, - void *data); - -#endif diff --git a/contrib/qemu/include/qemu/option.h b/contrib/qemu/include/qemu/option.h deleted file mode 100644 index a83c700323e..00000000000 --- a/contrib/qemu/include/qemu/option.h +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Commandline option parsing functions - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2009 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef QEMU_OPTIONS_H -#define QEMU_OPTIONS_H - -#include <stdint.h> -#include "qemu/queue.h" -#include "qapi/error.h" -#include "qapi/qmp/qdict.h" - -enum QEMUOptionParType { - OPT_FLAG, - OPT_NUMBER, - OPT_SIZE, - OPT_STRING, -}; - -typedef struct QEMUOptionParameter { - const char *name; - enum QEMUOptionParType type; - union { - uint64_t n; - char* s; - } value; - const char *help; -} QEMUOptionParameter; - - -const char *get_opt_name(char *buf, int buf_size, const char *p, char delim); -const char *get_opt_value(char *buf, int buf_size, const char *p); -int get_next_param_value(char *buf, int buf_size, - const char *tag, const char **pstr); -int get_param_value(char *buf, int buf_size, - const char *tag, const char *str); - - -/* - * The following functions take a parameter list as input. This is a pointer to - * the first element of a QEMUOptionParameter array which is terminated by an - * entry with entry->name == NULL. - */ - -QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list, - const char *name); -int set_option_parameter(QEMUOptionParameter *list, const char *name, - const char *value); -int set_option_parameter_int(QEMUOptionParameter *list, const char *name, - uint64_t value); -QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest, - QEMUOptionParameter *list); -QEMUOptionParameter *parse_option_parameters(const char *param, - QEMUOptionParameter *list, QEMUOptionParameter *dest); -void free_option_parameters(QEMUOptionParameter *list); -void print_option_parameters(QEMUOptionParameter *list); -void print_option_help(QEMUOptionParameter *list); - -/* ------------------------------------------------------------------ */ - -typedef struct QemuOpt QemuOpt; -typedef struct QemuOpts QemuOpts; -typedef struct QemuOptsList QemuOptsList; - -enum QemuOptType { - QEMU_OPT_STRING = 0, /* no parsing (use string as-is) */ - QEMU_OPT_BOOL, /* on/off */ - QEMU_OPT_NUMBER, /* simple number */ - QEMU_OPT_SIZE, /* size, accepts (K)ilo, (M)ega, (G)iga, (T)era postfix */ -}; - -typedef struct QemuOptDesc { - const char *name; - enum QemuOptType type; - const char *help; -} QemuOptDesc; - -struct QemuOptsList { - const char *name; - const char *implied_opt_name; - bool merge_lists; /* Merge multiple uses of option into a single list? */ - QTAILQ_HEAD(, QemuOpts) head; - QemuOptDesc desc[]; -}; - -const char *qemu_opt_get(QemuOpts *opts, const char *name); -/** - * qemu_opt_has_help_opt: - * @opts: options to search for a help request - * - * Check whether the options specified by @opts include one of the - * standard strings which indicate that the user is asking for a - * list of the valid values for a command line option (as defined - * by is_help_option()). - * - * Returns: true if @opts includes 'help' or equivalent. - */ -bool qemu_opt_has_help_opt(QemuOpts *opts); -bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval); -uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval); -uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval); -int qemu_opt_set(QemuOpts *opts, const char *name, const char *value); -void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value, - Error **errp); -int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val); -int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val); -typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque); -int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque, - int abort_on_failure); - -QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id); -QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, - int fail_if_exists, Error **errp); -QemuOpts *qemu_opts_create_nofail(QemuOptsList *list); -void qemu_opts_reset(QemuOptsList *list); -void qemu_opts_loc_restore(QemuOpts *opts); -int qemu_opts_set(QemuOptsList *list, const char *id, - const char *name, const char *value); -const char *qemu_opts_id(QemuOpts *opts); -void qemu_opts_del(QemuOpts *opts); -void qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc, Error **errp); -int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname); -QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, int permit_abbrev); -void qemu_opts_set_defaults(QemuOptsList *list, const char *params, - int permit_abbrev); -QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, - Error **errp); -QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict); -void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp); - -typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque); -int qemu_opts_print(QemuOpts *opts, void *dummy); -int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque, - int abort_on_failure); - -#endif diff --git a/contrib/qemu/include/qemu/option_int.h b/contrib/qemu/include/qemu/option_int.h deleted file mode 100644 index 8212fa4a485..00000000000 --- a/contrib/qemu/include/qemu/option_int.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Commandline option parsing functions - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2009 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef QEMU_OPTIONS_INTERNAL_H -#define QEMU_OPTIONS_INTERNAL_H - -#include "qemu/option.h" -#include "qemu/error-report.h" - -struct QemuOpt { - const char *name; - const char *str; - - const QemuOptDesc *desc; - union { - bool boolean; - uint64_t uint; - } value; - - QemuOpts *opts; - QTAILQ_ENTRY(QemuOpt) next; -}; - -struct QemuOpts { - char *id; - QemuOptsList *list; - Location loc; - QTAILQ_HEAD(QemuOptHead, QemuOpt) head; - QTAILQ_ENTRY(QemuOpts) next; -}; - -#endif diff --git a/contrib/qemu/include/qemu/osdep.h b/contrib/qemu/include/qemu/osdep.h deleted file mode 100644 index 26136f16ecd..00000000000 --- a/contrib/qemu/include/qemu/osdep.h +++ /dev/null @@ -1,218 +0,0 @@ -#ifndef QEMU_OSDEP_H -#define QEMU_OSDEP_H - -#include "config-host.h" -#include <stdarg.h> -#include <stddef.h> -#include <stdbool.h> -#include <sys/types.h> -#ifdef __OpenBSD__ -#include <sys/signal.h> -#endif - -#ifndef _WIN32 -#include <sys/wait.h> -#else -#define WIFEXITED(x) 1 -#define WEXITSTATUS(x) (x) -#endif - -#include <sys/time.h> - -#if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10 -/* [u]int_fast*_t not in <sys/int_types.h> */ -typedef unsigned char uint_fast8_t; -typedef unsigned int uint_fast16_t; -typedef signed int int_fast16_t; -#endif - -#ifndef glue -#define xglue(x, y) x ## y -#define glue(x, y) xglue(x, y) -#define stringify(s) tostring(s) -#define tostring(s) #s -#endif - -#ifndef likely -#if __GNUC__ < 3 -#define __builtin_expect(x, n) (x) -#endif - -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) -#endif - -#ifndef container_of -#define container_of(ptr, type, member) ({ \ - const typeof(((type *) 0)->member) *__mptr = (ptr); \ - (type *) ((char *) __mptr - offsetof(type, member));}) -#endif - -/* Convert from a base type to a parent type, with compile time checking. */ -#ifdef __GNUC__ -#define DO_UPCAST(type, field, dev) ( __extension__ ( { \ - char __attribute__((unused)) offset_must_be_zero[ \ - -offsetof(type, field)]; \ - container_of(dev, type, field);})) -#else -#define DO_UPCAST(type, field, dev) container_of(dev, type, field) -#endif - -#define typeof_field(type, field) typeof(((type *)0)->field) -#define type_check(t1,t2) ((t1*)0 - (t2*)0) - -#ifndef MIN -#define MIN(a, b) (((a) < (b)) ? (a) : (b)) -#endif -#ifndef MAX -#define MAX(a, b) (((a) > (b)) ? (a) : (b)) -#endif - -#ifndef ROUND_UP -#define ROUND_UP(n,d) (((n) + (d) - 1) & -(d)) -#endif - -#ifndef DIV_ROUND_UP -#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) -#endif - -#ifndef ARRAY_SIZE -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) -#endif - -#ifndef always_inline -#if !((__GNUC__ < 3) || defined(__APPLE__)) -#ifdef __OPTIMIZE__ -#undef inline -#define inline __attribute__ (( always_inline )) __inline__ -#endif -#endif -#else -#undef inline -#define inline always_inline -#endif - -#define qemu_printf printf - -int qemu_daemon(int nochdir, int noclose); -void *qemu_memalign(size_t alignment, size_t size); -void *qemu_anon_ram_alloc(size_t size); -void qemu_vfree(void *ptr); -void qemu_anon_ram_free(void *ptr, size_t size); - -#define QEMU_MADV_INVALID -1 - -#if defined(CONFIG_MADVISE) - -#define QEMU_MADV_WILLNEED MADV_WILLNEED -#define QEMU_MADV_DONTNEED MADV_DONTNEED -#ifdef MADV_DONTFORK -#define QEMU_MADV_DONTFORK MADV_DONTFORK -#else -#define QEMU_MADV_DONTFORK QEMU_MADV_INVALID -#endif -#ifdef MADV_MERGEABLE -#define QEMU_MADV_MERGEABLE MADV_MERGEABLE -#else -#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID -#endif -#ifdef MADV_DONTDUMP -#define QEMU_MADV_DONTDUMP MADV_DONTDUMP -#else -#define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID -#endif -#ifdef MADV_HUGEPAGE -#define QEMU_MADV_HUGEPAGE MADV_HUGEPAGE -#else -#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID -#endif - -#elif defined(CONFIG_POSIX_MADVISE) - -#define QEMU_MADV_WILLNEED POSIX_MADV_WILLNEED -#define QEMU_MADV_DONTNEED POSIX_MADV_DONTNEED -#define QEMU_MADV_DONTFORK QEMU_MADV_INVALID -#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID -#define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID -#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID - -#else /* no-op */ - -#define QEMU_MADV_WILLNEED QEMU_MADV_INVALID -#define QEMU_MADV_DONTNEED QEMU_MADV_INVALID -#define QEMU_MADV_DONTFORK QEMU_MADV_INVALID -#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID -#define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID -#define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID - -#endif - -int qemu_madvise(void *addr, size_t len, int advice); - -int qemu_open(const char *name, int flags, ...); -int qemu_close(int fd); - -#if defined(__HAIKU__) && defined(__i386__) -#define FMT_pid "%ld" -#elif defined(WIN64) -#define FMT_pid "%" PRId64 -#else -#define FMT_pid "%d" -#endif - -int qemu_create_pidfile(const char *filename); -int qemu_get_thread_id(void); - -#ifndef CONFIG_IOVEC -struct iovec { - void *iov_base; - size_t iov_len; -}; -/* - * Use the same value as Linux for now. - */ -#define IOV_MAX 1024 - -ssize_t readv(int fd, const struct iovec *iov, int iov_cnt); -ssize_t writev(int fd, const struct iovec *iov, int iov_cnt); -#else -#include <sys/uio.h> -#endif - -#ifdef _WIN32 -static inline void qemu_timersub(const struct timeval *val1, - const struct timeval *val2, - struct timeval *res) -{ - res->tv_sec = val1->tv_sec - val2->tv_sec; - if (val1->tv_usec < val2->tv_usec) { - res->tv_sec--; - res->tv_usec = val1->tv_usec - val2->tv_usec + 1000 * 1000; - } else { - res->tv_usec = val1->tv_usec - val2->tv_usec; - } -} -#else -#define qemu_timersub timersub -#endif - -void qemu_set_cloexec(int fd); - -void qemu_set_version(const char *); -const char *qemu_get_version(void); - -void fips_set_state(bool requested); -bool fips_get_state(void); - -/* Return a dynamically allocated pathname denoting a file or directory that is - * appropriate for storing local state. - * - * @relative_pathname need not start with a directory separator; one will be - * added automatically. - * - * The caller is responsible for releasing the value returned with g_free() - * after use. - */ -char *qemu_get_local_state_pathname(const char *relative_pathname); - -#endif diff --git a/contrib/qemu/include/qemu/queue.h b/contrib/qemu/include/qemu/queue.h deleted file mode 100644 index d433b9017ce..00000000000 --- a/contrib/qemu/include/qemu/queue.h +++ /dev/null @@ -1,414 +0,0 @@ -/* $NetBSD: queue.h,v 1.52 2009/04/20 09:56:08 mschuett Exp $ */ - -/* - * QEMU version: Copy from netbsd, removed debug code, removed some of - * the implementations. Left in singly-linked lists, lists, simple - * queues, and tail queues. - */ - -/* - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)queue.h 8.5 (Berkeley) 8/20/94 - */ - -#ifndef QEMU_SYS_QUEUE_H_ -#define QEMU_SYS_QUEUE_H_ - -/* - * This file defines four types of data structures: singly-linked lists, - * lists, simple queues, and tail queues. - * - * A singly-linked list is headed by a single forward pointer. The - * elements are singly linked for minimum space and pointer manipulation - * overhead at the expense of O(n) removal for arbitrary elements. New - * elements can be added to the list after an existing element or at the - * head of the list. Elements being removed from the head of the list - * should use the explicit macro for this purpose for optimum - * efficiency. A singly-linked list may only be traversed in the forward - * direction. Singly-linked lists are ideal for applications with large - * datasets and few or no removals or for implementing a LIFO queue. - * - * A list is headed by a single forward pointer (or an array of forward - * pointers for a hash table header). The elements are doubly linked - * so that an arbitrary element can be removed without a need to - * traverse the list. New elements can be added to the list before - * or after an existing element or at the head of the list. A list - * may only be traversed in the forward direction. - * - * A simple queue is headed by a pair of pointers, one the head of the - * list and the other to the tail of the list. The elements are singly - * linked to save space, so elements can only be removed from the - * head of the list. New elements can be added to the list after - * an existing element, at the head of the list, or at the end of the - * list. A simple queue may only be traversed in the forward direction. - * - * A tail queue is headed by a pair of pointers, one to the head of the - * list and the other to the tail of the list. The elements are doubly - * linked so that an arbitrary element can be removed without a need to - * traverse the list. New elements can be added to the list before or - * after an existing element, at the head of the list, or at the end of - * the list. A tail queue may be traversed in either direction. - * - * For details on the use of these macros, see the queue(3) manual page. - */ - -#include "qemu/atomic.h" /* for smp_wmb() */ - -/* - * List definitions. - */ -#define QLIST_HEAD(name, type) \ -struct name { \ - struct type *lh_first; /* first element */ \ -} - -#define QLIST_HEAD_INITIALIZER(head) \ - { NULL } - -#define QLIST_ENTRY(type) \ -struct { \ - struct type *le_next; /* next element */ \ - struct type **le_prev; /* address of previous next element */ \ -} - -/* - * List functions. - */ -#define QLIST_INIT(head) do { \ - (head)->lh_first = NULL; \ -} while (/*CONSTCOND*/0) - -#define QLIST_INSERT_AFTER(listelm, elm, field) do { \ - if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \ - (listelm)->field.le_next->field.le_prev = \ - &(elm)->field.le_next; \ - (listelm)->field.le_next = (elm); \ - (elm)->field.le_prev = &(listelm)->field.le_next; \ -} while (/*CONSTCOND*/0) - -#define QLIST_INSERT_BEFORE(listelm, elm, field) do { \ - (elm)->field.le_prev = (listelm)->field.le_prev; \ - (elm)->field.le_next = (listelm); \ - *(listelm)->field.le_prev = (elm); \ - (listelm)->field.le_prev = &(elm)->field.le_next; \ -} while (/*CONSTCOND*/0) - -#define QLIST_INSERT_HEAD(head, elm, field) do { \ - if (((elm)->field.le_next = (head)->lh_first) != NULL) \ - (head)->lh_first->field.le_prev = &(elm)->field.le_next;\ - (head)->lh_first = (elm); \ - (elm)->field.le_prev = &(head)->lh_first; \ -} while (/*CONSTCOND*/0) - -#define QLIST_INSERT_HEAD_RCU(head, elm, field) do { \ - (elm)->field.le_prev = &(head)->lh_first; \ - (elm)->field.le_next = (head)->lh_first; \ - smp_wmb(); /* fill elm before linking it */ \ - if ((head)->lh_first != NULL) { \ - (head)->lh_first->field.le_prev = &(elm)->field.le_next; \ - } \ - (head)->lh_first = (elm); \ - smp_wmb(); \ -} while (/* CONSTCOND*/0) - -#define QLIST_REMOVE(elm, field) do { \ - if ((elm)->field.le_next != NULL) \ - (elm)->field.le_next->field.le_prev = \ - (elm)->field.le_prev; \ - *(elm)->field.le_prev = (elm)->field.le_next; \ -} while (/*CONSTCOND*/0) - -#define QLIST_FOREACH(var, head, field) \ - for ((var) = ((head)->lh_first); \ - (var); \ - (var) = ((var)->field.le_next)) - -#define QLIST_FOREACH_SAFE(var, head, field, next_var) \ - for ((var) = ((head)->lh_first); \ - (var) && ((next_var) = ((var)->field.le_next), 1); \ - (var) = (next_var)) - -/* - * List access methods. - */ -#define QLIST_EMPTY(head) ((head)->lh_first == NULL) -#define QLIST_FIRST(head) ((head)->lh_first) -#define QLIST_NEXT(elm, field) ((elm)->field.le_next) - - -/* - * Singly-linked List definitions. - */ -#define QSLIST_HEAD(name, type) \ -struct name { \ - struct type *slh_first; /* first element */ \ -} - -#define QSLIST_HEAD_INITIALIZER(head) \ - { NULL } - -#define QSLIST_ENTRY(type) \ -struct { \ - struct type *sle_next; /* next element */ \ -} - -/* - * Singly-linked List functions. - */ -#define QSLIST_INIT(head) do { \ - (head)->slh_first = NULL; \ -} while (/*CONSTCOND*/0) - -#define QSLIST_INSERT_AFTER(slistelm, elm, field) do { \ - (elm)->field.sle_next = (slistelm)->field.sle_next; \ - (slistelm)->field.sle_next = (elm); \ -} while (/*CONSTCOND*/0) - -#define QSLIST_INSERT_HEAD(head, elm, field) do { \ - (elm)->field.sle_next = (head)->slh_first; \ - (head)->slh_first = (elm); \ -} while (/*CONSTCOND*/0) - -#define QSLIST_REMOVE_HEAD(head, field) do { \ - (head)->slh_first = (head)->slh_first->field.sle_next; \ -} while (/*CONSTCOND*/0) - -#define QSLIST_REMOVE_AFTER(slistelm, field) do { \ - (slistelm)->field.sle_next = \ - QSLIST_NEXT(QSLIST_NEXT((slistelm), field), field); \ -} while (/*CONSTCOND*/0) - -#define QSLIST_FOREACH(var, head, field) \ - for((var) = (head)->slh_first; (var); (var) = (var)->field.sle_next) - -#define QSLIST_FOREACH_SAFE(var, head, field, tvar) \ - for ((var) = QSLIST_FIRST((head)); \ - (var) && ((tvar) = QSLIST_NEXT((var), field), 1); \ - (var) = (tvar)) - -/* - * Singly-linked List access methods. - */ -#define QSLIST_EMPTY(head) ((head)->slh_first == NULL) -#define QSLIST_FIRST(head) ((head)->slh_first) -#define QSLIST_NEXT(elm, field) ((elm)->field.sle_next) - - -/* - * Simple queue definitions. - */ -#define QSIMPLEQ_HEAD(name, type) \ -struct name { \ - struct type *sqh_first; /* first element */ \ - struct type **sqh_last; /* addr of last next element */ \ -} - -#define QSIMPLEQ_HEAD_INITIALIZER(head) \ - { NULL, &(head).sqh_first } - -#define QSIMPLEQ_ENTRY(type) \ -struct { \ - struct type *sqe_next; /* next element */ \ -} - -/* - * Simple queue functions. - */ -#define QSIMPLEQ_INIT(head) do { \ - (head)->sqh_first = NULL; \ - (head)->sqh_last = &(head)->sqh_first; \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_INSERT_HEAD(head, elm, field) do { \ - if (((elm)->field.sqe_next = (head)->sqh_first) == NULL) \ - (head)->sqh_last = &(elm)->field.sqe_next; \ - (head)->sqh_first = (elm); \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_INSERT_TAIL(head, elm, field) do { \ - (elm)->field.sqe_next = NULL; \ - *(head)->sqh_last = (elm); \ - (head)->sqh_last = &(elm)->field.sqe_next; \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do { \ - if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL) \ - (head)->sqh_last = &(elm)->field.sqe_next; \ - (listelm)->field.sqe_next = (elm); \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_REMOVE_HEAD(head, field) do { \ - if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL)\ - (head)->sqh_last = &(head)->sqh_first; \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_REMOVE(head, elm, type, field) do { \ - if ((head)->sqh_first == (elm)) { \ - QSIMPLEQ_REMOVE_HEAD((head), field); \ - } else { \ - struct type *curelm = (head)->sqh_first; \ - while (curelm->field.sqe_next != (elm)) \ - curelm = curelm->field.sqe_next; \ - if ((curelm->field.sqe_next = \ - curelm->field.sqe_next->field.sqe_next) == NULL) \ - (head)->sqh_last = &(curelm)->field.sqe_next; \ - } \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_FOREACH(var, head, field) \ - for ((var) = ((head)->sqh_first); \ - (var); \ - (var) = ((var)->field.sqe_next)) - -#define QSIMPLEQ_FOREACH_SAFE(var, head, field, next) \ - for ((var) = ((head)->sqh_first); \ - (var) && ((next = ((var)->field.sqe_next)), 1); \ - (var) = (next)) - -#define QSIMPLEQ_CONCAT(head1, head2) do { \ - if (!QSIMPLEQ_EMPTY((head2))) { \ - *(head1)->sqh_last = (head2)->sqh_first; \ - (head1)->sqh_last = (head2)->sqh_last; \ - QSIMPLEQ_INIT((head2)); \ - } \ -} while (/*CONSTCOND*/0) - -#define QSIMPLEQ_LAST(head, type, field) \ - (QSIMPLEQ_EMPTY((head)) ? \ - NULL : \ - ((struct type *)(void *) \ - ((char *)((head)->sqh_last) - offsetof(struct type, field)))) - -/* - * Simple queue access methods. - */ -#define QSIMPLEQ_EMPTY(head) ((head)->sqh_first == NULL) -#define QSIMPLEQ_FIRST(head) ((head)->sqh_first) -#define QSIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next) - - -/* - * Tail queue definitions. - */ -#define Q_TAILQ_HEAD(name, type, qual) \ -struct name { \ - qual type *tqh_first; /* first element */ \ - qual type *qual *tqh_last; /* addr of last next element */ \ -} -#define QTAILQ_HEAD(name, type) Q_TAILQ_HEAD(name, struct type,) - -#define QTAILQ_HEAD_INITIALIZER(head) \ - { NULL, &(head).tqh_first } - -#define Q_TAILQ_ENTRY(type, qual) \ -struct { \ - qual type *tqe_next; /* next element */ \ - qual type *qual *tqe_prev; /* address of previous next element */\ -} -#define QTAILQ_ENTRY(type) Q_TAILQ_ENTRY(struct type,) - -/* - * Tail queue functions. - */ -#define QTAILQ_INIT(head) do { \ - (head)->tqh_first = NULL; \ - (head)->tqh_last = &(head)->tqh_first; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_INSERT_HEAD(head, elm, field) do { \ - if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \ - (head)->tqh_first->field.tqe_prev = \ - &(elm)->field.tqe_next; \ - else \ - (head)->tqh_last = &(elm)->field.tqe_next; \ - (head)->tqh_first = (elm); \ - (elm)->field.tqe_prev = &(head)->tqh_first; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_INSERT_TAIL(head, elm, field) do { \ - (elm)->field.tqe_next = NULL; \ - (elm)->field.tqe_prev = (head)->tqh_last; \ - *(head)->tqh_last = (elm); \ - (head)->tqh_last = &(elm)->field.tqe_next; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_INSERT_AFTER(head, listelm, elm, field) do { \ - if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\ - (elm)->field.tqe_next->field.tqe_prev = \ - &(elm)->field.tqe_next; \ - else \ - (head)->tqh_last = &(elm)->field.tqe_next; \ - (listelm)->field.tqe_next = (elm); \ - (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_INSERT_BEFORE(listelm, elm, field) do { \ - (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \ - (elm)->field.tqe_next = (listelm); \ - *(listelm)->field.tqe_prev = (elm); \ - (listelm)->field.tqe_prev = &(elm)->field.tqe_next; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_REMOVE(head, elm, field) do { \ - if (((elm)->field.tqe_next) != NULL) \ - (elm)->field.tqe_next->field.tqe_prev = \ - (elm)->field.tqe_prev; \ - else \ - (head)->tqh_last = (elm)->field.tqe_prev; \ - *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ -} while (/*CONSTCOND*/0) - -#define QTAILQ_FOREACH(var, head, field) \ - for ((var) = ((head)->tqh_first); \ - (var); \ - (var) = ((var)->field.tqe_next)) - -#define QTAILQ_FOREACH_SAFE(var, head, field, next_var) \ - for ((var) = ((head)->tqh_first); \ - (var) && ((next_var) = ((var)->field.tqe_next), 1); \ - (var) = (next_var)) - -#define QTAILQ_FOREACH_REVERSE(var, head, headname, field) \ - for ((var) = (*(((struct headname *)((head)->tqh_last))->tqh_last)); \ - (var); \ - (var) = (*(((struct headname *)((var)->field.tqe_prev))->tqh_last))) - -/* - * Tail queue access methods. - */ -#define QTAILQ_EMPTY(head) ((head)->tqh_first == NULL) -#define QTAILQ_FIRST(head) ((head)->tqh_first) -#define QTAILQ_NEXT(elm, field) ((elm)->field.tqe_next) - -#define QTAILQ_LAST(head, headname) \ - (*(((struct headname *)((head)->tqh_last))->tqh_last)) -#define QTAILQ_PREV(elm, headname, field) \ - (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last)) - -#endif /* !QEMU_SYS_QUEUE_H_ */ diff --git a/contrib/qemu/include/qemu/sockets.h b/contrib/qemu/include/qemu/sockets.h deleted file mode 100644 index c5174d76a70..00000000000 --- a/contrib/qemu/include/qemu/sockets.h +++ /dev/null @@ -1,83 +0,0 @@ -/* headers to use the BSD sockets */ -#ifndef QEMU_SOCKET_H -#define QEMU_SOCKET_H - -#ifdef _WIN32 -#include <windows.h> -#include <winsock2.h> -#include <ws2tcpip.h> - -#define socket_error() WSAGetLastError() - -int inet_aton(const char *cp, struct in_addr *ia); - -#else - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#define socket_error() errno -#define closesocket(s) close(s) - -#endif /* !_WIN32 */ - -#include "qemu/option.h" -#include "qapi/error.h" -#include "qapi/qmp/qerror.h" - -extern QemuOptsList socket_optslist; - -/* misc helpers */ -int qemu_socket(int domain, int type, int protocol); -int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen); -int socket_set_cork(int fd, int v); -int socket_set_nodelay(int fd); -void qemu_set_block(int fd); -void qemu_set_nonblock(int fd); -int send_all(int fd, const void *buf, int len1); -int recv_all(int fd, void *buf, int len1, bool single_read); - -/* callback function for nonblocking connect - * valid fd on success, negative error code on failure - */ -typedef void NonBlockingConnectHandler(int fd, void *opaque); - -InetSocketAddress *inet_parse(const char *str, Error **errp); -int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp); -int inet_listen(const char *str, char *ostr, int olen, - int socktype, int port_offset, Error **errp); -int inet_connect_opts(QemuOpts *opts, Error **errp, - NonBlockingConnectHandler *callback, void *opaque); -int inet_connect(const char *str, Error **errp); -int inet_nonblocking_connect(const char *str, - NonBlockingConnectHandler *callback, - void *opaque, Error **errp); - -int inet_dgram_opts(QemuOpts *opts, Error **errp); -const char *inet_strfamily(int family); - -int unix_listen_opts(QemuOpts *opts, Error **errp); -int unix_listen(const char *path, char *ostr, int olen, Error **errp); -int unix_connect_opts(QemuOpts *opts, Error **errp, - NonBlockingConnectHandler *callback, void *opaque); -int unix_connect(const char *path, Error **errp); -int unix_nonblocking_connect(const char *str, - NonBlockingConnectHandler *callback, - void *opaque, Error **errp); - -SocketAddress *socket_parse(const char *str, Error **errp); -int socket_connect(SocketAddress *addr, Error **errp, - NonBlockingConnectHandler *callback, void *opaque); -int socket_listen(SocketAddress *addr, Error **errp); -int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp); - -/* Old, ipv4 only bits. Don't use for new code. */ -int parse_host_port(struct sockaddr_in *saddr, const char *str); -int socket_init(void); - -#endif /* QEMU_SOCKET_H */ diff --git a/contrib/qemu/include/qemu/thread-posix.h b/contrib/qemu/include/qemu/thread-posix.h deleted file mode 100644 index 0f30dccb53c..00000000000 --- a/contrib/qemu/include/qemu/thread-posix.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef __QEMU_THREAD_POSIX_H -#define __QEMU_THREAD_POSIX_H 1 -#include "pthread.h" -#include <semaphore.h> - -struct QemuMutex { - pthread_mutex_t lock; -}; - -struct QemuCond { - pthread_cond_t cond; -}; - -struct QemuSemaphore { -#if defined(__APPLE__) || defined(__NetBSD__) - pthread_mutex_t lock; - pthread_cond_t cond; - int count; -#else - sem_t sem; -#endif -}; - -struct QemuThread { - pthread_t thread; -}; - -#endif diff --git a/contrib/qemu/include/qemu/thread.h b/contrib/qemu/include/qemu/thread.h deleted file mode 100644 index c02404b9fbf..00000000000 --- a/contrib/qemu/include/qemu/thread.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef __QEMU_THREAD_H -#define __QEMU_THREAD_H 1 - -#include <inttypes.h> -#include <stdbool.h> - -typedef struct QemuMutex QemuMutex; -typedef struct QemuCond QemuCond; -typedef struct QemuSemaphore QemuSemaphore; -typedef struct QemuThread QemuThread; - -#ifdef _WIN32 -#include "qemu/thread-win32.h" -#else -#include "qemu/thread-posix.h" -#endif - -#define QEMU_THREAD_JOINABLE 0 -#define QEMU_THREAD_DETACHED 1 - -void qemu_mutex_init(QemuMutex *mutex); -void qemu_mutex_destroy(QemuMutex *mutex); -void qemu_mutex_lock(QemuMutex *mutex); -int qemu_mutex_trylock(QemuMutex *mutex); -void qemu_mutex_unlock(QemuMutex *mutex); - -#define rcu_read_lock() do { } while (0) -#define rcu_read_unlock() do { } while (0) - -void qemu_cond_init(QemuCond *cond); -void qemu_cond_destroy(QemuCond *cond); - -/* - * IMPORTANT: The implementation does not guarantee that pthread_cond_signal - * and pthread_cond_broadcast can be called except while the same mutex is - * held as in the corresponding pthread_cond_wait calls! - */ -void qemu_cond_signal(QemuCond *cond); -void qemu_cond_broadcast(QemuCond *cond); -void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex); - -void qemu_sem_init(QemuSemaphore *sem, int init); -void qemu_sem_post(QemuSemaphore *sem); -void qemu_sem_wait(QemuSemaphore *sem); -int qemu_sem_timedwait(QemuSemaphore *sem, int ms); -void qemu_sem_destroy(QemuSemaphore *sem); - -void qemu_thread_create(QemuThread *thread, - void *(*start_routine)(void *), - void *arg, int mode); -void *qemu_thread_join(QemuThread *thread); -void qemu_thread_get_self(QemuThread *thread); -bool qemu_thread_is_self(QemuThread *thread); -void qemu_thread_exit(void *retval); - -#endif diff --git a/contrib/qemu/include/qemu/timer.h b/contrib/qemu/include/qemu/timer.h deleted file mode 100644 index 9dd206ce7f4..00000000000 --- a/contrib/qemu/include/qemu/timer.h +++ /dev/null @@ -1,305 +0,0 @@ -#ifndef QEMU_TIMER_H -#define QEMU_TIMER_H - -#include "qemu-common.h" -#include "qemu/main-loop.h" -#include "qemu/notify.h" - -/* timers */ - -#define SCALE_MS 1000000 -#define SCALE_US 1000 -#define SCALE_NS 1 - -typedef struct QEMUClock QEMUClock; -typedef void QEMUTimerCB(void *opaque); - -/* The real time clock should be used only for stuff which does not - change the virtual machine state, as it is run even if the virtual - machine is stopped. The real time clock has a frequency of 1000 - Hz. */ -extern QEMUClock *rt_clock; - -/* The virtual clock is only run during the emulation. It is stopped - when the virtual machine is stopped. Virtual timers use a high - precision clock, usually cpu cycles (use ticks_per_sec). */ -extern QEMUClock *vm_clock; - -/* The host clock should be use for device models that emulate accurate - real time sources. It will continue to run when the virtual machine - is suspended, and it will reflect system time changes the host may - undergo (e.g. due to NTP). The host clock has the same precision as - the virtual clock. */ -extern QEMUClock *host_clock; - -int64_t qemu_get_clock_ns(QEMUClock *clock); -int64_t qemu_clock_has_timers(QEMUClock *clock); -int64_t qemu_clock_expired(QEMUClock *clock); -int64_t qemu_clock_deadline(QEMUClock *clock); -void qemu_clock_enable(QEMUClock *clock, bool enabled); -void qemu_clock_warp(QEMUClock *clock); - -void qemu_register_clock_reset_notifier(QEMUClock *clock, Notifier *notifier); -void qemu_unregister_clock_reset_notifier(QEMUClock *clock, - Notifier *notifier); - -QEMUTimer *qemu_new_timer(QEMUClock *clock, int scale, - QEMUTimerCB *cb, void *opaque); -void qemu_free_timer(QEMUTimer *ts); -void qemu_del_timer(QEMUTimer *ts); -void qemu_mod_timer_ns(QEMUTimer *ts, int64_t expire_time); -void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time); -bool qemu_timer_pending(QEMUTimer *ts); -bool qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time); -uint64_t qemu_timer_expire_time_ns(QEMUTimer *ts); - -void qemu_run_timers(QEMUClock *clock); -void qemu_run_all_timers(void); -void configure_alarms(char const *opt); -void init_clocks(void); -int init_timer_alarm(void); - -int64_t cpu_get_ticks(void); -void cpu_enable_ticks(void); -void cpu_disable_ticks(void); - -static inline QEMUTimer *qemu_new_timer_ns(QEMUClock *clock, QEMUTimerCB *cb, - void *opaque) -{ - return qemu_new_timer(clock, SCALE_NS, cb, opaque); -} - -static inline QEMUTimer *qemu_new_timer_ms(QEMUClock *clock, QEMUTimerCB *cb, - void *opaque) -{ - return qemu_new_timer(clock, SCALE_MS, cb, opaque); -} - -static inline int64_t qemu_get_clock_ms(QEMUClock *clock) -{ - return qemu_get_clock_ns(clock) / SCALE_MS; -} - -static inline int64_t get_ticks_per_sec(void) -{ - return 1000000000LL; -} - -/* real time host monotonic timer */ -static inline int64_t get_clock_realtime(void) -{ - struct timeval tv; - - gettimeofday(&tv, NULL); - return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); -} - -/* Warning: don't insert tracepoints into these functions, they are - also used by simpletrace backend and tracepoints would cause - an infinite recursion! */ -#ifdef _WIN32 -extern int64_t clock_freq; - -static inline int64_t get_clock(void) -{ - LARGE_INTEGER ti; - QueryPerformanceCounter(&ti); - return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); -} - -#else - -extern int use_rt_clock; - -static inline int64_t get_clock(void) -{ -#ifdef CLOCK_MONOTONIC - if (use_rt_clock) { - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return ts.tv_sec * 1000000000LL + ts.tv_nsec; - } else -#endif - { - /* XXX: using gettimeofday leads to problems if the date - changes, so it should be avoided. */ - return get_clock_realtime(); - } -} -#endif - -void qemu_get_timer(QEMUFile *f, QEMUTimer *ts); -void qemu_put_timer(QEMUFile *f, QEMUTimer *ts); - -/* icount */ -int64_t cpu_get_icount(void); -int64_t cpu_get_clock(void); - -/*******************************************/ -/* host CPU ticks (if available) */ - -#if defined(_ARCH_PPC) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t retval; -#ifdef _ARCH_PPC64 - /* This reads timebase in one 64bit go and includes Cell workaround from: - http://ozlabs.org/pipermail/linuxppc-dev/2006-October/027052.html - */ - __asm__ __volatile__ ("mftb %0\n\t" - "cmpwi %0,0\n\t" - "beq- $-8" - : "=r" (retval)); -#else - /* http://ozlabs.org/pipermail/linuxppc-dev/1999-October/003889.html */ - unsigned long junk; - __asm__ __volatile__ ("mfspr %1,269\n\t" /* mftbu */ - "mfspr %L0,268\n\t" /* mftb */ - "mfspr %0,269\n\t" /* mftbu */ - "cmpw %0,%1\n\t" - "bne $-16" - : "=r" (retval), "=r" (junk)); -#endif - return retval; -} - -#elif defined(__i386__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile ("rdtsc" : "=A" (val)); - return val; -} - -#elif defined(__x86_64__) - -static inline int64_t cpu_get_real_ticks(void) -{ - uint32_t low,high; - int64_t val; - asm volatile("rdtsc" : "=a" (low), "=d" (high)); - val = high; - val <<= 32; - val |= low; - return val; -} - -#elif defined(__hppa__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int val; - asm volatile ("mfctl %%cr16, %0" : "=r"(val)); - return val; -} - -#elif defined(__ia64) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); - return val; -} - -#elif defined(__s390__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); - return val; -} - -#elif defined(__sparc__) - -static inline int64_t cpu_get_real_ticks (void) -{ -#if defined(_LP64) - uint64_t rval; - asm volatile("rd %%tick,%0" : "=r"(rval)); - return rval; -#else - /* We need an %o or %g register for this. For recent enough gcc - there is an "h" constraint for that. Don't bother with that. */ - union { - uint64_t i64; - struct { - uint32_t high; - uint32_t low; - } i32; - } rval; - asm volatile("rd %%tick,%%g1; srlx %%g1,32,%0; mov %%g1,%1" - : "=r"(rval.i32.high), "=r"(rval.i32.low) : : "g1"); - return rval.i64; -#endif -} - -#elif defined(__mips__) && \ - ((defined(__mips_isa_rev) && __mips_isa_rev >= 2) || defined(__linux__)) -/* - * binutils wants to use rdhwr only on mips32r2 - * but as linux kernel emulate it, it's fine - * to use it. - * - */ -#define MIPS_RDHWR(rd, value) { \ - __asm__ __volatile__ (".set push\n\t" \ - ".set mips32r2\n\t" \ - "rdhwr %0, "rd"\n\t" \ - ".set pop" \ - : "=r" (value)); \ - } - -static inline int64_t cpu_get_real_ticks(void) -{ - /* On kernels >= 2.6.25 rdhwr <reg>, $2 and $3 are emulated */ - uint32_t count; - static uint32_t cyc_per_count = 0; - - if (!cyc_per_count) { - MIPS_RDHWR("$3", cyc_per_count); - } - - MIPS_RDHWR("$2", count); - return (int64_t)(count * cyc_per_count); -} - -#elif defined(__alpha__) - -static inline int64_t cpu_get_real_ticks(void) -{ - uint64_t cc; - uint32_t cur, ofs; - - asm volatile("rpcc %0" : "=r"(cc)); - cur = cc; - ofs = cc >> 32; - return cur - ofs; -} - -#else -/* The host CPU doesn't have an easily accessible cycle counter. - Just return a monotonically increasing value. This will be - totally wrong, but hopefully better than nothing. */ -static inline int64_t cpu_get_real_ticks (void) -{ - static int64_t ticks = 0; - return ticks++; -} -#endif - -#ifdef CONFIG_PROFILER -static inline int64_t profile_getclock(void) -{ - return cpu_get_real_ticks(); -} - -extern int64_t qemu_time, qemu_time_start; -extern int64_t tlb_flush_time; -extern int64_t dev_time; -#endif - -#endif diff --git a/contrib/qemu/include/qemu/typedefs.h b/contrib/qemu/include/qemu/typedefs.h deleted file mode 100644 index ac9f8d41a35..00000000000 --- a/contrib/qemu/include/qemu/typedefs.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef QEMU_TYPEDEFS_H -#define QEMU_TYPEDEFS_H - -/* A load of opaque types so that device init declarations don't have to - pull in all the real definitions. */ -typedef struct QEMUTimer QEMUTimer; -typedef struct QEMUFile QEMUFile; -typedef struct QEMUBH QEMUBH; - -struct Monitor; -typedef struct Monitor Monitor; -typedef struct MigrationParams MigrationParams; - -typedef struct Property Property; -typedef struct PropertyInfo PropertyInfo; -typedef struct CompatProperty CompatProperty; -typedef struct DeviceState DeviceState; -typedef struct BusState BusState; -typedef struct BusClass BusClass; - -typedef struct AddressSpace AddressSpace; -typedef struct MemoryRegion MemoryRegion; -typedef struct MemoryRegionSection MemoryRegionSection; - -typedef struct MemoryMappingList MemoryMappingList; - -typedef struct NICInfo NICInfo; -typedef struct HCIInfo HCIInfo; -typedef struct AudioState AudioState; -typedef struct BlockDriverState BlockDriverState; -typedef struct DriveInfo DriveInfo; -typedef struct DisplayState DisplayState; -typedef struct DisplayChangeListener DisplayChangeListener; -typedef struct DisplaySurface DisplaySurface; -typedef struct PixelFormat PixelFormat; -typedef struct QemuConsole QemuConsole; -typedef struct CharDriverState CharDriverState; -typedef struct MACAddr MACAddr; -typedef struct NetClientState NetClientState; -typedef struct i2c_bus i2c_bus; -typedef struct ISABus ISABus; -typedef struct ISADevice ISADevice; -typedef struct SMBusDevice SMBusDevice; -typedef struct PCIHostState PCIHostState; -typedef struct PCIExpressHost PCIExpressHost; -typedef struct PCIBus PCIBus; -typedef struct PCIDevice PCIDevice; -typedef struct PCIExpressDevice PCIExpressDevice; -typedef struct PCIBridge PCIBridge; -typedef struct PCIEAERMsg PCIEAERMsg; -typedef struct PCIEAERLog PCIEAERLog; -typedef struct PCIEAERErr PCIEAERErr; -typedef struct PCIEPort PCIEPort; -typedef struct PCIESlot PCIESlot; -typedef struct MSIMessage MSIMessage; -typedef struct SerialState SerialState; -typedef struct PCMCIACardState PCMCIACardState; -typedef struct MouseTransformInfo MouseTransformInfo; -typedef struct uWireSlave uWireSlave; -typedef struct I2SCodec I2SCodec; -typedef struct SSIBus SSIBus; -typedef struct EventNotifier EventNotifier; -typedef struct VirtIODevice VirtIODevice; -typedef struct QEMUSGList QEMUSGList; -typedef struct SHPCDevice SHPCDevice; -typedef struct FWCfgState FWCfgState; -typedef struct PcGuestInfo PcGuestInfo; - -#endif /* QEMU_TYPEDEFS_H */ diff --git a/contrib/qemu/include/sysemu/os-posix.h b/contrib/qemu/include/sysemu/os-posix.h deleted file mode 100644 index ac4a80e6d8c..00000000000 --- a/contrib/qemu/include/sysemu/os-posix.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * posix specific declarations - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef QEMU_OS_POSIX_H -#define QEMU_OS_POSIX_H - -void os_set_line_buffering(void); -void os_set_proc_name(const char *s); -void os_setup_signal_handling(void); -void os_daemonize(void); -void os_setup_post(void); -int os_mlock(void); - -typedef struct timeval qemu_timeval; -#define qemu_gettimeofday(tp) gettimeofday(tp, NULL) - -#if !defined(CONFIG_UTIMENSAT) || defined(__FreeBSD__) || defined(__APPLE__) -#ifndef UTIME_NOW -# define UTIME_NOW ((1l << 30) - 1l) -#endif -#ifndef UTIME_OMIT -# define UTIME_OMIT ((1l << 30) - 2l) -#endif -#endif -typedef struct timespec qemu_timespec; -int qemu_utimens(const char *path, const qemu_timespec *times); - -bool is_daemonized(void); - -#endif diff --git a/contrib/qemu/include/sysemu/sysemu.h b/contrib/qemu/include/sysemu/sysemu.h deleted file mode 100644 index 3caeb66eb2f..00000000000 --- a/contrib/qemu/include/sysemu/sysemu.h +++ /dev/null @@ -1,200 +0,0 @@ -#ifndef SYSEMU_H -#define SYSEMU_H -/* Misc. things related to the system emulator. */ - -#include "qemu/typedefs.h" -#include "qemu/option.h" -#include "qemu/queue.h" -#include "qemu/timer.h" -#include "qapi-types.h" -#include "qemu/notify.h" -#include "qemu/main-loop.h" - -/* vl.c */ - -extern const char *bios_name; - -extern const char *qemu_name; -extern uint8_t qemu_uuid[]; -int qemu_uuid_parse(const char *str, uint8_t *uuid); -#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx" - -bool runstate_check(RunState state); -void runstate_set(RunState new_state); -int runstate_is_running(void); -bool runstate_needs_reset(void); -typedef struct vm_change_state_entry VMChangeStateEntry; -typedef void VMChangeStateHandler(void *opaque, int running, RunState state); - -VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, - void *opaque); -void qemu_del_vm_change_state_handler(VMChangeStateEntry *e); -void vm_state_notify(int running, RunState state); - -#define VMRESET_SILENT false -#define VMRESET_REPORT true - -void vm_start(void); -int vm_stop(RunState state); -int vm_stop_force_state(RunState state); - -typedef enum WakeupReason { - QEMU_WAKEUP_REASON_OTHER = 0, - QEMU_WAKEUP_REASON_RTC, - QEMU_WAKEUP_REASON_PMTIMER, -} WakeupReason; - -void qemu_system_reset_request(void); -void qemu_system_suspend_request(void); -void qemu_register_suspend_notifier(Notifier *notifier); -void qemu_system_wakeup_request(WakeupReason reason); -void qemu_system_wakeup_enable(WakeupReason reason, bool enabled); -void qemu_register_wakeup_notifier(Notifier *notifier); -void qemu_system_shutdown_request(void); -void qemu_system_powerdown_request(void); -void qemu_register_powerdown_notifier(Notifier *notifier); -void qemu_system_debug_request(void); -void qemu_system_vmstop_request(RunState reason); -int qemu_shutdown_requested_get(void); -int qemu_reset_requested_get(void); -void qemu_system_killed(int signal, pid_t pid); -void qemu_devices_reset(void); -void qemu_system_reset(bool report); - -void qemu_add_exit_notifier(Notifier *notify); -void qemu_remove_exit_notifier(Notifier *notify); - -void qemu_add_machine_init_done_notifier(Notifier *notify); - -void do_savevm(Monitor *mon, const QDict *qdict); -int load_vmstate(const char *name); -void do_delvm(Monitor *mon, const QDict *qdict); -void do_info_snapshots(Monitor *mon, const QDict *qdict); - -void qemu_announce_self(void); - -bool qemu_savevm_state_blocked(Error **errp); -void qemu_savevm_state_begin(QEMUFile *f, - const MigrationParams *params); -int qemu_savevm_state_iterate(QEMUFile *f); -void qemu_savevm_state_complete(QEMUFile *f); -void qemu_savevm_state_cancel(void); -uint64_t qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size); -int qemu_loadvm_state(QEMUFile *f); - -/* SLIRP */ -void do_info_slirp(Monitor *mon); - -typedef enum DisplayType -{ - DT_DEFAULT, - DT_CURSES, - DT_SDL, - DT_GTK, - DT_NOGRAPHIC, - DT_NONE, -} DisplayType; - -extern int autostart; - -typedef enum { - VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL, -} VGAInterfaceType; - -extern int vga_interface_type; -#define xenfb_enabled (vga_interface_type == VGA_XENFB) -#define qxl_enabled (vga_interface_type == VGA_QXL) - -extern int graphic_width; -extern int graphic_height; -extern int graphic_depth; -extern DisplayType display_type; -extern const char *keyboard_layout; -extern int win2k_install_hack; -extern int alt_grab; -extern int ctrl_grab; -extern int smp_cpus; -extern int max_cpus; -extern int cursor_hide; -extern int graphic_rotate; -extern int no_quit; -extern int no_shutdown; -extern int semihosting_enabled; -extern int old_param; -extern int boot_menu; -extern uint8_t *boot_splash_filedata; -extern size_t boot_splash_filedata_size; -extern uint8_t qemu_extra_params_fw[2]; -extern QEMUClock *rtc_clock; - -#define MAX_NODES 64 -#define MAX_CPUMASK_BITS 255 -extern int nb_numa_nodes; -extern uint64_t node_mem[MAX_NODES]; -extern unsigned long *node_cpumask[MAX_NODES]; - -#define MAX_OPTION_ROMS 16 -typedef struct QEMUOptionRom { - const char *name; - int32_t bootindex; -} QEMUOptionRom; -extern QEMUOptionRom option_rom[MAX_OPTION_ROMS]; -extern int nb_option_roms; - -#define MAX_PROM_ENVS 128 -extern const char *prom_envs[MAX_PROM_ENVS]; -extern unsigned int nb_prom_envs; - -/* pci-hotplug */ -void pci_device_hot_add(Monitor *mon, const QDict *qdict); -int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo); -void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict); - -/* generic hotplug */ -void drive_hot_add(Monitor *mon, const QDict *qdict); - -/* CPU hotplug */ -void qemu_register_cpu_added_notifier(Notifier *notifier); - -/* pcie aer error injection */ -void pcie_aer_inject_error_print(Monitor *mon, const QObject *data); -int do_pcie_aer_inject_error(Monitor *mon, - const QDict *qdict, QObject **ret_data); - -/* serial ports */ - -#define MAX_SERIAL_PORTS 4 - -extern CharDriverState *serial_hds[MAX_SERIAL_PORTS]; - -/* parallel ports */ - -#define MAX_PARALLEL_PORTS 3 - -extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; - -void do_usb_add(Monitor *mon, const QDict *qdict); -void do_usb_del(Monitor *mon, const QDict *qdict); -void usb_info(Monitor *mon, const QDict *qdict); - -void rtc_change_mon_event(struct tm *tm); - -void add_boot_device_path(int32_t bootindex, DeviceState *dev, - const char *suffix); -char *get_boot_devices_list(size_t *size); - -DeviceState *get_boot_device(uint32_t position); - -QemuOpts *qemu_get_machine_opts(void); - -bool usb_enabled(bool default_usb); - -extern QemuOptsList qemu_drive_opts; -extern QemuOptsList qemu_chardev_opts; -extern QemuOptsList qemu_device_opts; -extern QemuOptsList qemu_netdev_opts; -extern QemuOptsList qemu_net_opts; -extern QemuOptsList qemu_global_opts; -extern QemuOptsList qemu_mon_opts; - -#endif diff --git a/contrib/qemu/include/trace.h b/contrib/qemu/include/trace.h deleted file mode 100644 index c15f4981280..00000000000 --- a/contrib/qemu/include/trace.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef TRACE_H -#define TRACE_H - -#include "trace/generated-tracers.h" - -#endif /* TRACE_H */ diff --git a/contrib/qemu/nop-symbols.c b/contrib/qemu/nop-symbols.c deleted file mode 100644 index ae93a3d3bef..00000000000 --- a/contrib/qemu/nop-symbols.c +++ /dev/null @@ -1,12 +0,0 @@ -int notifier_with_return_list_init () { return 0; } -int notifier_with_return_list_notify () { return 0; } -int notifier_with_return_list_add () { return 0; } -int notifier_list_init () { return 0; } -int notifier_list_notify () { return 0; } -int notifier_list_add () { return 0; } -int monitor_protocol_event () { return 0; } -int block_job_cancel_sync () { return 0; } -int block_job_iostatus_reset () { return 0; } -int vm_stop () { return 0; } -int qemu_get_aio_context () { return 0; } - diff --git a/contrib/qemu/qapi-types.h b/contrib/qemu/qapi-types.h deleted file mode 100644 index 082b06d1c2b..00000000000 --- a/contrib/qemu/qapi-types.h +++ /dev/null @@ -1,2746 +0,0 @@ -/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ - -/* - * schema-defined QAPI types - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QAPI_TYPES_H -#define QAPI_TYPES_H - -#include <stdbool.h> -#include <stdint.h> - - -#ifndef QAPI_TYPES_BUILTIN_STRUCT_DECL_H -#define QAPI_TYPES_BUILTIN_STRUCT_DECL_H - - -typedef struct strList -{ - union { - char * value; - uint64_t padding; - }; - struct strList *next; -} strList; - -typedef struct intList -{ - union { - int64_t value; - uint64_t padding; - }; - struct intList *next; -} intList; - -typedef struct numberList -{ - union { - double value; - uint64_t padding; - }; - struct numberList *next; -} numberList; - -typedef struct boolList -{ - union { - bool value; - uint64_t padding; - }; - struct boolList *next; -} boolList; - -typedef struct int8List -{ - union { - int8_t value; - uint64_t padding; - }; - struct int8List *next; -} int8List; - -typedef struct int16List -{ - union { - int16_t value; - uint64_t padding; - }; - struct int16List *next; -} int16List; - -typedef struct int32List -{ - union { - int32_t value; - uint64_t padding; - }; - struct int32List *next; -} int32List; - -typedef struct int64List -{ - union { - int64_t value; - uint64_t padding; - }; - struct int64List *next; -} int64List; - -typedef struct uint8List -{ - union { - uint8_t value; - uint64_t padding; - }; - struct uint8List *next; -} uint8List; - -typedef struct uint16List -{ - union { - uint16_t value; - uint64_t padding; - }; - struct uint16List *next; -} uint16List; - -typedef struct uint32List -{ - union { - uint32_t value; - uint64_t padding; - }; - struct uint32List *next; -} uint32List; - -typedef struct uint64List -{ - union { - uint64_t value; - uint64_t padding; - }; - struct uint64List *next; -} uint64List; - -#endif /* QAPI_TYPES_BUILTIN_STRUCT_DECL_H */ - - -extern const char *ErrorClass_lookup[]; -typedef enum ErrorClass -{ - ERROR_CLASS_GENERIC_ERROR = 0, - ERROR_CLASS_COMMAND_NOT_FOUND = 1, - ERROR_CLASS_DEVICE_ENCRYPTED = 2, - ERROR_CLASS_DEVICE_NOT_ACTIVE = 3, - ERROR_CLASS_DEVICE_NOT_FOUND = 4, - ERROR_CLASS_K_V_M_MISSING_CAP = 5, - ERROR_CLASS_MAX = 6, -} ErrorClass; - -typedef struct ErrorClassList -{ - ErrorClass value; - struct ErrorClassList *next; -} ErrorClassList; - - -typedef struct NameInfo NameInfo; - -typedef struct NameInfoList -{ - union { - NameInfo *value; - uint64_t padding; - }; - struct NameInfoList *next; -} NameInfoList; - - -typedef struct VersionInfo VersionInfo; - -typedef struct VersionInfoList -{ - union { - VersionInfo *value; - uint64_t padding; - }; - struct VersionInfoList *next; -} VersionInfoList; - - -typedef struct KvmInfo KvmInfo; - -typedef struct KvmInfoList -{ - union { - KvmInfo *value; - uint64_t padding; - }; - struct KvmInfoList *next; -} KvmInfoList; - -extern const char *RunState_lookup[]; -typedef enum RunState -{ - RUN_STATE_DEBUG = 0, - RUN_STATE_INMIGRATE = 1, - RUN_STATE_INTERNAL_ERROR = 2, - RUN_STATE_IO_ERROR = 3, - RUN_STATE_PAUSED = 4, - RUN_STATE_POSTMIGRATE = 5, - RUN_STATE_PRELAUNCH = 6, - RUN_STATE_FINISH_MIGRATE = 7, - RUN_STATE_RESTORE_VM = 8, - RUN_STATE_RUNNING = 9, - RUN_STATE_SAVE_VM = 10, - RUN_STATE_SHUTDOWN = 11, - RUN_STATE_SUSPENDED = 12, - RUN_STATE_WATCHDOG = 13, - RUN_STATE_GUEST_PANICKED = 14, - RUN_STATE_MAX = 15, -} RunState; - -typedef struct RunStateList -{ - RunState value; - struct RunStateList *next; -} RunStateList; - - -typedef struct SnapshotInfo SnapshotInfo; - -typedef struct SnapshotInfoList -{ - union { - SnapshotInfo *value; - uint64_t padding; - }; - struct SnapshotInfoList *next; -} SnapshotInfoList; - - -typedef struct ImageInfo ImageInfo; - -typedef struct ImageInfoList -{ - union { - ImageInfo *value; - uint64_t padding; - }; - struct ImageInfoList *next; -} ImageInfoList; - - -typedef struct ImageCheck ImageCheck; - -typedef struct ImageCheckList -{ - union { - ImageCheck *value; - uint64_t padding; - }; - struct ImageCheckList *next; -} ImageCheckList; - - -typedef struct StatusInfo StatusInfo; - -typedef struct StatusInfoList -{ - union { - StatusInfo *value; - uint64_t padding; - }; - struct StatusInfoList *next; -} StatusInfoList; - - -typedef struct UuidInfo UuidInfo; - -typedef struct UuidInfoList -{ - union { - UuidInfo *value; - uint64_t padding; - }; - struct UuidInfoList *next; -} UuidInfoList; - - -typedef struct ChardevInfo ChardevInfo; - -typedef struct ChardevInfoList -{ - union { - ChardevInfo *value; - uint64_t padding; - }; - struct ChardevInfoList *next; -} ChardevInfoList; - -extern const char *DataFormat_lookup[]; -typedef enum DataFormat -{ - DATA_FORMAT_UTF8 = 0, - DATA_FORMAT_BASE64 = 1, - DATA_FORMAT_MAX = 2, -} DataFormat; - -typedef struct DataFormatList -{ - DataFormat value; - struct DataFormatList *next; -} DataFormatList; - - -typedef struct CommandInfo CommandInfo; - -typedef struct CommandInfoList -{ - union { - CommandInfo *value; - uint64_t padding; - }; - struct CommandInfoList *next; -} CommandInfoList; - - -typedef struct EventInfo EventInfo; - -typedef struct EventInfoList -{ - union { - EventInfo *value; - uint64_t padding; - }; - struct EventInfoList *next; -} EventInfoList; - - -typedef struct MigrationStats MigrationStats; - -typedef struct MigrationStatsList -{ - union { - MigrationStats *value; - uint64_t padding; - }; - struct MigrationStatsList *next; -} MigrationStatsList; - - -typedef struct XBZRLECacheStats XBZRLECacheStats; - -typedef struct XBZRLECacheStatsList -{ - union { - XBZRLECacheStats *value; - uint64_t padding; - }; - struct XBZRLECacheStatsList *next; -} XBZRLECacheStatsList; - - -typedef struct MigrationInfo MigrationInfo; - -typedef struct MigrationInfoList -{ - union { - MigrationInfo *value; - uint64_t padding; - }; - struct MigrationInfoList *next; -} MigrationInfoList; - -extern const char *MigrationCapability_lookup[]; -typedef enum MigrationCapability -{ - MIGRATION_CAPABILITY_XBZRLE = 0, - MIGRATION_CAPABILITY_X_RDMA_PIN_ALL = 1, - MIGRATION_CAPABILITY_AUTO_CONVERGE = 2, - MIGRATION_CAPABILITY_MAX = 3, -} MigrationCapability; - -typedef struct MigrationCapabilityList -{ - MigrationCapability value; - struct MigrationCapabilityList *next; -} MigrationCapabilityList; - - -typedef struct MigrationCapabilityStatus MigrationCapabilityStatus; - -typedef struct MigrationCapabilityStatusList -{ - union { - MigrationCapabilityStatus *value; - uint64_t padding; - }; - struct MigrationCapabilityStatusList *next; -} MigrationCapabilityStatusList; - - -typedef struct MouseInfo MouseInfo; - -typedef struct MouseInfoList -{ - union { - MouseInfo *value; - uint64_t padding; - }; - struct MouseInfoList *next; -} MouseInfoList; - - -typedef struct CpuInfo CpuInfo; - -typedef struct CpuInfoList -{ - union { - CpuInfo *value; - uint64_t padding; - }; - struct CpuInfoList *next; -} CpuInfoList; - - -typedef struct BlockDeviceInfo BlockDeviceInfo; - -typedef struct BlockDeviceInfoList -{ - union { - BlockDeviceInfo *value; - uint64_t padding; - }; - struct BlockDeviceInfoList *next; -} BlockDeviceInfoList; - -extern const char *BlockDeviceIoStatus_lookup[]; -typedef enum BlockDeviceIoStatus -{ - BLOCK_DEVICE_IO_STATUS_OK = 0, - BLOCK_DEVICE_IO_STATUS_FAILED = 1, - BLOCK_DEVICE_IO_STATUS_NOSPACE = 2, - BLOCK_DEVICE_IO_STATUS_MAX = 3, -} BlockDeviceIoStatus; - -typedef struct BlockDeviceIoStatusList -{ - BlockDeviceIoStatus value; - struct BlockDeviceIoStatusList *next; -} BlockDeviceIoStatusList; - - -typedef struct BlockDirtyInfo BlockDirtyInfo; - -typedef struct BlockDirtyInfoList -{ - union { - BlockDirtyInfo *value; - uint64_t padding; - }; - struct BlockDirtyInfoList *next; -} BlockDirtyInfoList; - - -typedef struct BlockInfo BlockInfo; - -typedef struct BlockInfoList -{ - union { - BlockInfo *value; - uint64_t padding; - }; - struct BlockInfoList *next; -} BlockInfoList; - - -typedef struct BlockDeviceStats BlockDeviceStats; - -typedef struct BlockDeviceStatsList -{ - union { - BlockDeviceStats *value; - uint64_t padding; - }; - struct BlockDeviceStatsList *next; -} BlockDeviceStatsList; - - -typedef struct BlockStats BlockStats; - -typedef struct BlockStatsList -{ - union { - BlockStats *value; - uint64_t padding; - }; - struct BlockStatsList *next; -} BlockStatsList; - - -typedef struct VncClientInfo VncClientInfo; - -typedef struct VncClientInfoList -{ - union { - VncClientInfo *value; - uint64_t padding; - }; - struct VncClientInfoList *next; -} VncClientInfoList; - - -typedef struct VncInfo VncInfo; - -typedef struct VncInfoList -{ - union { - VncInfo *value; - uint64_t padding; - }; - struct VncInfoList *next; -} VncInfoList; - - -typedef struct SpiceChannel SpiceChannel; - -typedef struct SpiceChannelList -{ - union { - SpiceChannel *value; - uint64_t padding; - }; - struct SpiceChannelList *next; -} SpiceChannelList; - -extern const char *SpiceQueryMouseMode_lookup[]; -typedef enum SpiceQueryMouseMode -{ - SPICE_QUERY_MOUSE_MODE_CLIENT = 0, - SPICE_QUERY_MOUSE_MODE_SERVER = 1, - SPICE_QUERY_MOUSE_MODE_UNKNOWN = 2, - SPICE_QUERY_MOUSE_MODE_MAX = 3, -} SpiceQueryMouseMode; - -typedef struct SpiceQueryMouseModeList -{ - SpiceQueryMouseMode value; - struct SpiceQueryMouseModeList *next; -} SpiceQueryMouseModeList; - - -typedef struct SpiceInfo SpiceInfo; - -typedef struct SpiceInfoList -{ - union { - SpiceInfo *value; - uint64_t padding; - }; - struct SpiceInfoList *next; -} SpiceInfoList; - - -typedef struct BalloonInfo BalloonInfo; - -typedef struct BalloonInfoList -{ - union { - BalloonInfo *value; - uint64_t padding; - }; - struct BalloonInfoList *next; -} BalloonInfoList; - - -typedef struct PciMemoryRange PciMemoryRange; - -typedef struct PciMemoryRangeList -{ - union { - PciMemoryRange *value; - uint64_t padding; - }; - struct PciMemoryRangeList *next; -} PciMemoryRangeList; - - -typedef struct PciMemoryRegion PciMemoryRegion; - -typedef struct PciMemoryRegionList -{ - union { - PciMemoryRegion *value; - uint64_t padding; - }; - struct PciMemoryRegionList *next; -} PciMemoryRegionList; - - -typedef struct PciBridgeInfo PciBridgeInfo; - -typedef struct PciBridgeInfoList -{ - union { - PciBridgeInfo *value; - uint64_t padding; - }; - struct PciBridgeInfoList *next; -} PciBridgeInfoList; - - -typedef struct PciDeviceInfo PciDeviceInfo; - -typedef struct PciDeviceInfoList -{ - union { - PciDeviceInfo *value; - uint64_t padding; - }; - struct PciDeviceInfoList *next; -} PciDeviceInfoList; - - -typedef struct PciInfo PciInfo; - -typedef struct PciInfoList -{ - union { - PciInfo *value; - uint64_t padding; - }; - struct PciInfoList *next; -} PciInfoList; - -extern const char *BlockdevOnError_lookup[]; -typedef enum BlockdevOnError -{ - BLOCKDEV_ON_ERROR_REPORT = 0, - BLOCKDEV_ON_ERROR_IGNORE = 1, - BLOCKDEV_ON_ERROR_ENOSPC = 2, - BLOCKDEV_ON_ERROR_STOP = 3, - BLOCKDEV_ON_ERROR_MAX = 4, -} BlockdevOnError; - -typedef struct BlockdevOnErrorList -{ - BlockdevOnError value; - struct BlockdevOnErrorList *next; -} BlockdevOnErrorList; - -extern const char *MirrorSyncMode_lookup[]; -typedef enum MirrorSyncMode -{ - MIRROR_SYNC_MODE_TOP = 0, - MIRROR_SYNC_MODE_FULL = 1, - MIRROR_SYNC_MODE_NONE = 2, - MIRROR_SYNC_MODE_MAX = 3, -} MirrorSyncMode; - -typedef struct MirrorSyncModeList -{ - MirrorSyncMode value; - struct MirrorSyncModeList *next; -} MirrorSyncModeList; - - -typedef struct BlockJobInfo BlockJobInfo; - -typedef struct BlockJobInfoList -{ - union { - BlockJobInfo *value; - uint64_t padding; - }; - struct BlockJobInfoList *next; -} BlockJobInfoList; - -extern const char *NewImageMode_lookup[]; -typedef enum NewImageMode -{ - NEW_IMAGE_MODE_EXISTING = 0, - NEW_IMAGE_MODE_ABSOLUTE_PATHS = 1, - NEW_IMAGE_MODE_MAX = 2, -} NewImageMode; - -typedef struct NewImageModeList -{ - NewImageMode value; - struct NewImageModeList *next; -} NewImageModeList; - - -typedef struct BlockdevSnapshot BlockdevSnapshot; - -typedef struct BlockdevSnapshotList -{ - union { - BlockdevSnapshot *value; - uint64_t padding; - }; - struct BlockdevSnapshotList *next; -} BlockdevSnapshotList; - - -typedef struct DriveBackup DriveBackup; - -typedef struct DriveBackupList -{ - union { - DriveBackup *value; - uint64_t padding; - }; - struct DriveBackupList *next; -} DriveBackupList; - - -typedef struct Abort Abort; - -typedef struct AbortList -{ - union { - Abort *value; - uint64_t padding; - }; - struct AbortList *next; -} AbortList; - - -typedef struct TransactionAction TransactionAction; - -typedef struct TransactionActionList -{ - union { - TransactionAction *value; - uint64_t padding; - }; - struct TransactionActionList *next; -} TransactionActionList; - -extern const char *TransactionActionKind_lookup[]; -typedef enum TransactionActionKind -{ - TRANSACTION_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC = 0, - TRANSACTION_ACTION_KIND_DRIVE_BACKUP = 1, - TRANSACTION_ACTION_KIND_ABORT = 2, - TRANSACTION_ACTION_KIND_MAX = 3, -} TransactionActionKind; - - -typedef struct ObjectPropertyInfo ObjectPropertyInfo; - -typedef struct ObjectPropertyInfoList -{ - union { - ObjectPropertyInfo *value; - uint64_t padding; - }; - struct ObjectPropertyInfoList *next; -} ObjectPropertyInfoList; - - -typedef struct ObjectTypeInfo ObjectTypeInfo; - -typedef struct ObjectTypeInfoList -{ - union { - ObjectTypeInfo *value; - uint64_t padding; - }; - struct ObjectTypeInfoList *next; -} ObjectTypeInfoList; - - -typedef struct DevicePropertyInfo DevicePropertyInfo; - -typedef struct DevicePropertyInfoList -{ - union { - DevicePropertyInfo *value; - uint64_t padding; - }; - struct DevicePropertyInfoList *next; -} DevicePropertyInfoList; - - -typedef struct NetdevNoneOptions NetdevNoneOptions; - -typedef struct NetdevNoneOptionsList -{ - union { - NetdevNoneOptions *value; - uint64_t padding; - }; - struct NetdevNoneOptionsList *next; -} NetdevNoneOptionsList; - - -typedef struct NetLegacyNicOptions NetLegacyNicOptions; - -typedef struct NetLegacyNicOptionsList -{ - union { - NetLegacyNicOptions *value; - uint64_t padding; - }; - struct NetLegacyNicOptionsList *next; -} NetLegacyNicOptionsList; - - -typedef struct String String; - -typedef struct StringList -{ - union { - String *value; - uint64_t padding; - }; - struct StringList *next; -} StringList; - - -typedef struct NetdevUserOptions NetdevUserOptions; - -typedef struct NetdevUserOptionsList -{ - union { - NetdevUserOptions *value; - uint64_t padding; - }; - struct NetdevUserOptionsList *next; -} NetdevUserOptionsList; - - -typedef struct NetdevTapOptions NetdevTapOptions; - -typedef struct NetdevTapOptionsList -{ - union { - NetdevTapOptions *value; - uint64_t padding; - }; - struct NetdevTapOptionsList *next; -} NetdevTapOptionsList; - - -typedef struct NetdevSocketOptions NetdevSocketOptions; - -typedef struct NetdevSocketOptionsList -{ - union { - NetdevSocketOptions *value; - uint64_t padding; - }; - struct NetdevSocketOptionsList *next; -} NetdevSocketOptionsList; - - -typedef struct NetdevVdeOptions NetdevVdeOptions; - -typedef struct NetdevVdeOptionsList -{ - union { - NetdevVdeOptions *value; - uint64_t padding; - }; - struct NetdevVdeOptionsList *next; -} NetdevVdeOptionsList; - - -typedef struct NetdevDumpOptions NetdevDumpOptions; - -typedef struct NetdevDumpOptionsList -{ - union { - NetdevDumpOptions *value; - uint64_t padding; - }; - struct NetdevDumpOptionsList *next; -} NetdevDumpOptionsList; - - -typedef struct NetdevBridgeOptions NetdevBridgeOptions; - -typedef struct NetdevBridgeOptionsList -{ - union { - NetdevBridgeOptions *value; - uint64_t padding; - }; - struct NetdevBridgeOptionsList *next; -} NetdevBridgeOptionsList; - - -typedef struct NetdevHubPortOptions NetdevHubPortOptions; - -typedef struct NetdevHubPortOptionsList -{ - union { - NetdevHubPortOptions *value; - uint64_t padding; - }; - struct NetdevHubPortOptionsList *next; -} NetdevHubPortOptionsList; - - -typedef struct NetClientOptions NetClientOptions; - -typedef struct NetClientOptionsList -{ - union { - NetClientOptions *value; - uint64_t padding; - }; - struct NetClientOptionsList *next; -} NetClientOptionsList; - -extern const char *NetClientOptionsKind_lookup[]; -typedef enum NetClientOptionsKind -{ - NET_CLIENT_OPTIONS_KIND_NONE = 0, - NET_CLIENT_OPTIONS_KIND_NIC = 1, - NET_CLIENT_OPTIONS_KIND_USER = 2, - NET_CLIENT_OPTIONS_KIND_TAP = 3, - NET_CLIENT_OPTIONS_KIND_SOCKET = 4, - NET_CLIENT_OPTIONS_KIND_VDE = 5, - NET_CLIENT_OPTIONS_KIND_DUMP = 6, - NET_CLIENT_OPTIONS_KIND_BRIDGE = 7, - NET_CLIENT_OPTIONS_KIND_HUBPORT = 8, - NET_CLIENT_OPTIONS_KIND_MAX = 9, -} NetClientOptionsKind; - - -typedef struct NetLegacy NetLegacy; - -typedef struct NetLegacyList -{ - union { - NetLegacy *value; - uint64_t padding; - }; - struct NetLegacyList *next; -} NetLegacyList; - - -typedef struct Netdev Netdev; - -typedef struct NetdevList -{ - union { - Netdev *value; - uint64_t padding; - }; - struct NetdevList *next; -} NetdevList; - - -typedef struct InetSocketAddress InetSocketAddress; - -typedef struct InetSocketAddressList -{ - union { - InetSocketAddress *value; - uint64_t padding; - }; - struct InetSocketAddressList *next; -} InetSocketAddressList; - - -typedef struct UnixSocketAddress UnixSocketAddress; - -typedef struct UnixSocketAddressList -{ - union { - UnixSocketAddress *value; - uint64_t padding; - }; - struct UnixSocketAddressList *next; -} UnixSocketAddressList; - - -typedef struct SocketAddress SocketAddress; - -typedef struct SocketAddressList -{ - union { - SocketAddress *value; - uint64_t padding; - }; - struct SocketAddressList *next; -} SocketAddressList; - -extern const char *SocketAddressKind_lookup[]; -typedef enum SocketAddressKind -{ - SOCKET_ADDRESS_KIND_INET = 0, - SOCKET_ADDRESS_KIND_UNIX = 1, - SOCKET_ADDRESS_KIND_FD = 2, - SOCKET_ADDRESS_KIND_MAX = 3, -} SocketAddressKind; - - -typedef struct MachineInfo MachineInfo; - -typedef struct MachineInfoList -{ - union { - MachineInfo *value; - uint64_t padding; - }; - struct MachineInfoList *next; -} MachineInfoList; - - -typedef struct CpuDefinitionInfo CpuDefinitionInfo; - -typedef struct CpuDefinitionInfoList -{ - union { - CpuDefinitionInfo *value; - uint64_t padding; - }; - struct CpuDefinitionInfoList *next; -} CpuDefinitionInfoList; - - -typedef struct AddfdInfo AddfdInfo; - -typedef struct AddfdInfoList -{ - union { - AddfdInfo *value; - uint64_t padding; - }; - struct AddfdInfoList *next; -} AddfdInfoList; - - -typedef struct FdsetFdInfo FdsetFdInfo; - -typedef struct FdsetFdInfoList -{ - union { - FdsetFdInfo *value; - uint64_t padding; - }; - struct FdsetFdInfoList *next; -} FdsetFdInfoList; - - -typedef struct FdsetInfo FdsetInfo; - -typedef struct FdsetInfoList -{ - union { - FdsetInfo *value; - uint64_t padding; - }; - struct FdsetInfoList *next; -} FdsetInfoList; - - -typedef struct TargetInfo TargetInfo; - -typedef struct TargetInfoList -{ - union { - TargetInfo *value; - uint64_t padding; - }; - struct TargetInfoList *next; -} TargetInfoList; - -extern const char *QKeyCode_lookup[]; -typedef enum QKeyCode -{ - Q_KEY_CODE_SHIFT = 0, - Q_KEY_CODE_SHIFT_R = 1, - Q_KEY_CODE_ALT = 2, - Q_KEY_CODE_ALT_R = 3, - Q_KEY_CODE_ALTGR = 4, - Q_KEY_CODE_ALTGR_R = 5, - Q_KEY_CODE_CTRL = 6, - Q_KEY_CODE_CTRL_R = 7, - Q_KEY_CODE_MENU = 8, - Q_KEY_CODE_ESC = 9, - Q_KEY_CODE_1 = 10, - Q_KEY_CODE_2 = 11, - Q_KEY_CODE_3 = 12, - Q_KEY_CODE_4 = 13, - Q_KEY_CODE_5 = 14, - Q_KEY_CODE_6 = 15, - Q_KEY_CODE_7 = 16, - Q_KEY_CODE_8 = 17, - Q_KEY_CODE_9 = 18, - Q_KEY_CODE_0 = 19, - Q_KEY_CODE_MINUS = 20, - Q_KEY_CODE_EQUAL = 21, - Q_KEY_CODE_BACKSPACE = 22, - Q_KEY_CODE_TAB = 23, - Q_KEY_CODE_Q = 24, - Q_KEY_CODE_W = 25, - Q_KEY_CODE_E = 26, - Q_KEY_CODE_R = 27, - Q_KEY_CODE_T = 28, - Q_KEY_CODE_Y = 29, - Q_KEY_CODE_U = 30, - Q_KEY_CODE_I = 31, - Q_KEY_CODE_O = 32, - Q_KEY_CODE_P = 33, - Q_KEY_CODE_BRACKET_LEFT = 34, - Q_KEY_CODE_BRACKET_RIGHT = 35, - Q_KEY_CODE_RET = 36, - Q_KEY_CODE_A = 37, - Q_KEY_CODE_S = 38, - Q_KEY_CODE_D = 39, - Q_KEY_CODE_F = 40, - Q_KEY_CODE_G = 41, - Q_KEY_CODE_H = 42, - Q_KEY_CODE_J = 43, - Q_KEY_CODE_K = 44, - Q_KEY_CODE_L = 45, - Q_KEY_CODE_SEMICOLON = 46, - Q_KEY_CODE_APOSTROPHE = 47, - Q_KEY_CODE_GRAVE_ACCENT = 48, - Q_KEY_CODE_BACKSLASH = 49, - Q_KEY_CODE_Z = 50, - Q_KEY_CODE_X = 51, - Q_KEY_CODE_C = 52, - Q_KEY_CODE_V = 53, - Q_KEY_CODE_B = 54, - Q_KEY_CODE_N = 55, - Q_KEY_CODE_M = 56, - Q_KEY_CODE_COMMA = 57, - Q_KEY_CODE_DOT = 58, - Q_KEY_CODE_SLASH = 59, - Q_KEY_CODE_ASTERISK = 60, - Q_KEY_CODE_SPC = 61, - Q_KEY_CODE_CAPS_LOCK = 62, - Q_KEY_CODE_F1 = 63, - Q_KEY_CODE_F2 = 64, - Q_KEY_CODE_F3 = 65, - Q_KEY_CODE_F4 = 66, - Q_KEY_CODE_F5 = 67, - Q_KEY_CODE_F6 = 68, - Q_KEY_CODE_F7 = 69, - Q_KEY_CODE_F8 = 70, - Q_KEY_CODE_F9 = 71, - Q_KEY_CODE_F10 = 72, - Q_KEY_CODE_NUM_LOCK = 73, - Q_KEY_CODE_SCROLL_LOCK = 74, - Q_KEY_CODE_KP_DIVIDE = 75, - Q_KEY_CODE_KP_MULTIPLY = 76, - Q_KEY_CODE_KP_SUBTRACT = 77, - Q_KEY_CODE_KP_ADD = 78, - Q_KEY_CODE_KP_ENTER = 79, - Q_KEY_CODE_KP_DECIMAL = 80, - Q_KEY_CODE_SYSRQ = 81, - Q_KEY_CODE_KP_0 = 82, - Q_KEY_CODE_KP_1 = 83, - Q_KEY_CODE_KP_2 = 84, - Q_KEY_CODE_KP_3 = 85, - Q_KEY_CODE_KP_4 = 86, - Q_KEY_CODE_KP_5 = 87, - Q_KEY_CODE_KP_6 = 88, - Q_KEY_CODE_KP_7 = 89, - Q_KEY_CODE_KP_8 = 90, - Q_KEY_CODE_KP_9 = 91, - Q_KEY_CODE_LESS = 92, - Q_KEY_CODE_F11 = 93, - Q_KEY_CODE_F12 = 94, - Q_KEY_CODE_PRINT = 95, - Q_KEY_CODE_HOME = 96, - Q_KEY_CODE_PGUP = 97, - Q_KEY_CODE_PGDN = 98, - Q_KEY_CODE_END = 99, - Q_KEY_CODE_LEFT = 100, - Q_KEY_CODE_UP = 101, - Q_KEY_CODE_DOWN = 102, - Q_KEY_CODE_RIGHT = 103, - Q_KEY_CODE_INSERT = 104, - Q_KEY_CODE_DELETE = 105, - Q_KEY_CODE_STOP = 106, - Q_KEY_CODE_AGAIN = 107, - Q_KEY_CODE_PROPS = 108, - Q_KEY_CODE_UNDO = 109, - Q_KEY_CODE_FRONT = 110, - Q_KEY_CODE_COPY = 111, - Q_KEY_CODE_OPEN = 112, - Q_KEY_CODE_PASTE = 113, - Q_KEY_CODE_FIND = 114, - Q_KEY_CODE_CUT = 115, - Q_KEY_CODE_LF = 116, - Q_KEY_CODE_HELP = 117, - Q_KEY_CODE_META_L = 118, - Q_KEY_CODE_META_R = 119, - Q_KEY_CODE_COMPOSE = 120, - Q_KEY_CODE_MAX = 121, -} QKeyCode; - -typedef struct QKeyCodeList -{ - QKeyCode value; - struct QKeyCodeList *next; -} QKeyCodeList; - - -typedef struct KeyValue KeyValue; - -typedef struct KeyValueList -{ - union { - KeyValue *value; - uint64_t padding; - }; - struct KeyValueList *next; -} KeyValueList; - -extern const char *KeyValueKind_lookup[]; -typedef enum KeyValueKind -{ - KEY_VALUE_KIND_NUMBER = 0, - KEY_VALUE_KIND_QCODE = 1, - KEY_VALUE_KIND_MAX = 2, -} KeyValueKind; - - -typedef struct ChardevFile ChardevFile; - -typedef struct ChardevFileList -{ - union { - ChardevFile *value; - uint64_t padding; - }; - struct ChardevFileList *next; -} ChardevFileList; - - -typedef struct ChardevHostdev ChardevHostdev; - -typedef struct ChardevHostdevList -{ - union { - ChardevHostdev *value; - uint64_t padding; - }; - struct ChardevHostdevList *next; -} ChardevHostdevList; - - -typedef struct ChardevSocket ChardevSocket; - -typedef struct ChardevSocketList -{ - union { - ChardevSocket *value; - uint64_t padding; - }; - struct ChardevSocketList *next; -} ChardevSocketList; - - -typedef struct ChardevUdp ChardevUdp; - -typedef struct ChardevUdpList -{ - union { - ChardevUdp *value; - uint64_t padding; - }; - struct ChardevUdpList *next; -} ChardevUdpList; - - -typedef struct ChardevMux ChardevMux; - -typedef struct ChardevMuxList -{ - union { - ChardevMux *value; - uint64_t padding; - }; - struct ChardevMuxList *next; -} ChardevMuxList; - - -typedef struct ChardevStdio ChardevStdio; - -typedef struct ChardevStdioList -{ - union { - ChardevStdio *value; - uint64_t padding; - }; - struct ChardevStdioList *next; -} ChardevStdioList; - - -typedef struct ChardevSpiceChannel ChardevSpiceChannel; - -typedef struct ChardevSpiceChannelList -{ - union { - ChardevSpiceChannel *value; - uint64_t padding; - }; - struct ChardevSpiceChannelList *next; -} ChardevSpiceChannelList; - - -typedef struct ChardevSpicePort ChardevSpicePort; - -typedef struct ChardevSpicePortList -{ - union { - ChardevSpicePort *value; - uint64_t padding; - }; - struct ChardevSpicePortList *next; -} ChardevSpicePortList; - - -typedef struct ChardevVC ChardevVC; - -typedef struct ChardevVCList -{ - union { - ChardevVC *value; - uint64_t padding; - }; - struct ChardevVCList *next; -} ChardevVCList; - - -typedef struct ChardevMemory ChardevMemory; - -typedef struct ChardevMemoryList -{ - union { - ChardevMemory *value; - uint64_t padding; - }; - struct ChardevMemoryList *next; -} ChardevMemoryList; - - -typedef struct ChardevDummy ChardevDummy; - -typedef struct ChardevDummyList -{ - union { - ChardevDummy *value; - uint64_t padding; - }; - struct ChardevDummyList *next; -} ChardevDummyList; - - -typedef struct ChardevBackend ChardevBackend; - -typedef struct ChardevBackendList -{ - union { - ChardevBackend *value; - uint64_t padding; - }; - struct ChardevBackendList *next; -} ChardevBackendList; - -extern const char *ChardevBackendKind_lookup[]; -typedef enum ChardevBackendKind -{ - CHARDEV_BACKEND_KIND_FILE = 0, - CHARDEV_BACKEND_KIND_SERIAL = 1, - CHARDEV_BACKEND_KIND_PARALLEL = 2, - CHARDEV_BACKEND_KIND_PIPE = 3, - CHARDEV_BACKEND_KIND_SOCKET = 4, - CHARDEV_BACKEND_KIND_UDP = 5, - CHARDEV_BACKEND_KIND_PTY = 6, - CHARDEV_BACKEND_KIND_NULL = 7, - CHARDEV_BACKEND_KIND_MUX = 8, - CHARDEV_BACKEND_KIND_MSMOUSE = 9, - CHARDEV_BACKEND_KIND_BRAILLE = 10, - CHARDEV_BACKEND_KIND_STDIO = 11, - CHARDEV_BACKEND_KIND_CONSOLE = 12, - CHARDEV_BACKEND_KIND_SPICEVMC = 13, - CHARDEV_BACKEND_KIND_SPICEPORT = 14, - CHARDEV_BACKEND_KIND_VC = 15, - CHARDEV_BACKEND_KIND_MEMORY = 16, - CHARDEV_BACKEND_KIND_MAX = 17, -} ChardevBackendKind; - - -typedef struct ChardevReturn ChardevReturn; - -typedef struct ChardevReturnList -{ - union { - ChardevReturn *value; - uint64_t padding; - }; - struct ChardevReturnList *next; -} ChardevReturnList; - -extern const char *TpmModel_lookup[]; -typedef enum TpmModel -{ - TPM_MODEL_TPM_TIS = 0, - TPM_MODEL_MAX = 1, -} TpmModel; - -typedef struct TpmModelList -{ - TpmModel value; - struct TpmModelList *next; -} TpmModelList; - -extern const char *TpmType_lookup[]; -typedef enum TpmType -{ - TPM_TYPE_PASSTHROUGH = 0, - TPM_TYPE_MAX = 1, -} TpmType; - -typedef struct TpmTypeList -{ - TpmType value; - struct TpmTypeList *next; -} TpmTypeList; - - -typedef struct TPMPassthroughOptions TPMPassthroughOptions; - -typedef struct TPMPassthroughOptionsList -{ - union { - TPMPassthroughOptions *value; - uint64_t padding; - }; - struct TPMPassthroughOptionsList *next; -} TPMPassthroughOptionsList; - - -typedef struct TpmTypeOptions TpmTypeOptions; - -typedef struct TpmTypeOptionsList -{ - union { - TpmTypeOptions *value; - uint64_t padding; - }; - struct TpmTypeOptionsList *next; -} TpmTypeOptionsList; - -extern const char *TpmTypeOptionsKind_lookup[]; -typedef enum TpmTypeOptionsKind -{ - TPM_TYPE_OPTIONS_KIND_PASSTHROUGH = 0, - TPM_TYPE_OPTIONS_KIND_MAX = 1, -} TpmTypeOptionsKind; - - -typedef struct TPMInfo TPMInfo; - -typedef struct TPMInfoList -{ - union { - TPMInfo *value; - uint64_t padding; - }; - struct TPMInfoList *next; -} TPMInfoList; - - -typedef struct AcpiTableOptions AcpiTableOptions; - -typedef struct AcpiTableOptionsList -{ - union { - AcpiTableOptions *value; - uint64_t padding; - }; - struct AcpiTableOptionsList *next; -} AcpiTableOptionsList; - -extern const char *CommandLineParameterType_lookup[]; -typedef enum CommandLineParameterType -{ - COMMAND_LINE_PARAMETER_TYPE_STRING = 0, - COMMAND_LINE_PARAMETER_TYPE_BOOLEAN = 1, - COMMAND_LINE_PARAMETER_TYPE_NUMBER = 2, - COMMAND_LINE_PARAMETER_TYPE_SIZE = 3, - COMMAND_LINE_PARAMETER_TYPE_MAX = 4, -} CommandLineParameterType; - -typedef struct CommandLineParameterTypeList -{ - CommandLineParameterType value; - struct CommandLineParameterTypeList *next; -} CommandLineParameterTypeList; - - -typedef struct CommandLineParameterInfo CommandLineParameterInfo; - -typedef struct CommandLineParameterInfoList -{ - union { - CommandLineParameterInfo *value; - uint64_t padding; - }; - struct CommandLineParameterInfoList *next; -} CommandLineParameterInfoList; - - -typedef struct CommandLineOptionInfo CommandLineOptionInfo; - -typedef struct CommandLineOptionInfoList -{ - union { - CommandLineOptionInfo *value; - uint64_t padding; - }; - struct CommandLineOptionInfoList *next; -} CommandLineOptionInfoList; - -extern const char *X86CPURegister32_lookup[]; -typedef enum X86CPURegister32 -{ - X86_C_P_U_REGISTER32_EAX = 0, - X86_C_P_U_REGISTER32_EBX = 1, - X86_C_P_U_REGISTER32_ECX = 2, - X86_C_P_U_REGISTER32_EDX = 3, - X86_C_P_U_REGISTER32_ESP = 4, - X86_C_P_U_REGISTER32_EBP = 5, - X86_C_P_U_REGISTER32_ESI = 6, - X86_C_P_U_REGISTER32_EDI = 7, - X86_C_P_U_REGISTER32_MAX = 8, -} X86CPURegister32; - -typedef struct X86CPURegister32List -{ - X86CPURegister32 value; - struct X86CPURegister32List *next; -} X86CPURegister32List; - - -typedef struct X86CPUFeatureWordInfo X86CPUFeatureWordInfo; - -typedef struct X86CPUFeatureWordInfoList -{ - union { - X86CPUFeatureWordInfo *value; - uint64_t padding; - }; - struct X86CPUFeatureWordInfoList *next; -} X86CPUFeatureWordInfoList; - -extern const char *RxState_lookup[]; -typedef enum RxState -{ - RX_STATE_NORMAL = 0, - RX_STATE_NONE = 1, - RX_STATE_ALL = 2, - RX_STATE_MAX = 3, -} RxState; - -typedef struct RxStateList -{ - RxState value; - struct RxStateList *next; -} RxStateList; - - -typedef struct RxFilterInfo RxFilterInfo; - -typedef struct RxFilterInfoList -{ - union { - RxFilterInfo *value; - uint64_t padding; - }; - struct RxFilterInfoList *next; -} RxFilterInfoList; - -#ifndef QAPI_TYPES_BUILTIN_CLEANUP_DECL_H -#define QAPI_TYPES_BUILTIN_CLEANUP_DECL_H - -void qapi_free_strList(strList * obj); -void qapi_free_intList(intList * obj); -void qapi_free_numberList(numberList * obj); -void qapi_free_boolList(boolList * obj); -void qapi_free_int8List(int8List * obj); -void qapi_free_int16List(int16List * obj); -void qapi_free_int32List(int32List * obj); -void qapi_free_int64List(int64List * obj); -void qapi_free_uint8List(uint8List * obj); -void qapi_free_uint16List(uint16List * obj); -void qapi_free_uint32List(uint32List * obj); -void qapi_free_uint64List(uint64List * obj); - -#endif /* QAPI_TYPES_BUILTIN_CLEANUP_DECL_H */ - - -void qapi_free_ErrorClassList(ErrorClassList * obj); - -struct NameInfo -{ - bool has_name; - char * name; -}; - -void qapi_free_NameInfoList(NameInfoList * obj); -void qapi_free_NameInfo(NameInfo * obj); - -struct VersionInfo -{ - struct - { - int64_t major; - int64_t minor; - int64_t micro; - } qemu; - char * package; -}; - -void qapi_free_VersionInfoList(VersionInfoList * obj); -void qapi_free_VersionInfo(VersionInfo * obj); - -struct KvmInfo -{ - bool enabled; - bool present; -}; - -void qapi_free_KvmInfoList(KvmInfoList * obj); -void qapi_free_KvmInfo(KvmInfo * obj); - -void qapi_free_RunStateList(RunStateList * obj); - -struct SnapshotInfo -{ - char * id; - char * name; - int64_t vm_state_size; - int64_t date_sec; - int64_t date_nsec; - int64_t vm_clock_sec; - int64_t vm_clock_nsec; -}; - -void qapi_free_SnapshotInfoList(SnapshotInfoList * obj); -void qapi_free_SnapshotInfo(SnapshotInfo * obj); - -struct ImageInfo -{ - char * filename; - char * format; - bool has_dirty_flag; - bool dirty_flag; - bool has_actual_size; - int64_t actual_size; - int64_t virtual_size; - bool has_cluster_size; - int64_t cluster_size; - bool has_encrypted; - bool encrypted; - bool has_backing_filename; - char * backing_filename; - bool has_full_backing_filename; - char * full_backing_filename; - bool has_backing_filename_format; - char * backing_filename_format; - bool has_snapshots; - SnapshotInfoList * snapshots; - bool has_backing_image; - ImageInfo * backing_image; -}; - -void qapi_free_ImageInfoList(ImageInfoList * obj); -void qapi_free_ImageInfo(ImageInfo * obj); - -struct ImageCheck -{ - char * filename; - char * format; - int64_t check_errors; - bool has_image_end_offset; - int64_t image_end_offset; - bool has_corruptions; - int64_t corruptions; - bool has_leaks; - int64_t leaks; - bool has_corruptions_fixed; - int64_t corruptions_fixed; - bool has_leaks_fixed; - int64_t leaks_fixed; - bool has_total_clusters; - int64_t total_clusters; - bool has_allocated_clusters; - int64_t allocated_clusters; - bool has_fragmented_clusters; - int64_t fragmented_clusters; - bool has_compressed_clusters; - int64_t compressed_clusters; -}; - -void qapi_free_ImageCheckList(ImageCheckList * obj); -void qapi_free_ImageCheck(ImageCheck * obj); - -struct StatusInfo -{ - bool running; - bool singlestep; - RunState status; -}; - -void qapi_free_StatusInfoList(StatusInfoList * obj); -void qapi_free_StatusInfo(StatusInfo * obj); - -struct UuidInfo -{ - char * UUID; -}; - -void qapi_free_UuidInfoList(UuidInfoList * obj); -void qapi_free_UuidInfo(UuidInfo * obj); - -struct ChardevInfo -{ - char * label; - char * filename; -}; - -void qapi_free_ChardevInfoList(ChardevInfoList * obj); -void qapi_free_ChardevInfo(ChardevInfo * obj); - -void qapi_free_DataFormatList(DataFormatList * obj); - -struct CommandInfo -{ - char * name; -}; - -void qapi_free_CommandInfoList(CommandInfoList * obj); -void qapi_free_CommandInfo(CommandInfo * obj); - -struct EventInfo -{ - char * name; -}; - -void qapi_free_EventInfoList(EventInfoList * obj); -void qapi_free_EventInfo(EventInfo * obj); - -struct MigrationStats -{ - int64_t transferred; - int64_t remaining; - int64_t total; - int64_t duplicate; - int64_t skipped; - int64_t normal; - int64_t normal_bytes; - int64_t dirty_pages_rate; - double mbps; -}; - -void qapi_free_MigrationStatsList(MigrationStatsList * obj); -void qapi_free_MigrationStats(MigrationStats * obj); - -struct XBZRLECacheStats -{ - int64_t cache_size; - int64_t bytes; - int64_t pages; - int64_t cache_miss; - int64_t overflow; -}; - -void qapi_free_XBZRLECacheStatsList(XBZRLECacheStatsList * obj); -void qapi_free_XBZRLECacheStats(XBZRLECacheStats * obj); - -struct MigrationInfo -{ - bool has_status; - char * status; - bool has_ram; - MigrationStats * ram; - bool has_disk; - MigrationStats * disk; - bool has_xbzrle_cache; - XBZRLECacheStats * xbzrle_cache; - bool has_total_time; - int64_t total_time; - bool has_expected_downtime; - int64_t expected_downtime; - bool has_downtime; - int64_t downtime; -}; - -void qapi_free_MigrationInfoList(MigrationInfoList * obj); -void qapi_free_MigrationInfo(MigrationInfo * obj); - -void qapi_free_MigrationCapabilityList(MigrationCapabilityList * obj); - -struct MigrationCapabilityStatus -{ - MigrationCapability capability; - bool state; -}; - -void qapi_free_MigrationCapabilityStatusList(MigrationCapabilityStatusList * obj); -void qapi_free_MigrationCapabilityStatus(MigrationCapabilityStatus * obj); - -struct MouseInfo -{ - char * name; - int64_t index; - bool current; - bool absolute; -}; - -void qapi_free_MouseInfoList(MouseInfoList * obj); -void qapi_free_MouseInfo(MouseInfo * obj); - -struct CpuInfo -{ - int64_t CPU; - bool current; - bool halted; - bool has_pc; - int64_t pc; - bool has_nip; - int64_t nip; - bool has_npc; - int64_t npc; - bool has_PC; - int64_t PC; - int64_t thread_id; -}; - -void qapi_free_CpuInfoList(CpuInfoList * obj); -void qapi_free_CpuInfo(CpuInfo * obj); - -struct BlockDeviceInfo -{ - char * file; - bool ro; - char * drv; - bool has_backing_file; - char * backing_file; - int64_t backing_file_depth; - bool encrypted; - bool encryption_key_missing; - int64_t bps; - int64_t bps_rd; - int64_t bps_wr; - int64_t iops; - int64_t iops_rd; - int64_t iops_wr; - ImageInfo * image; -}; - -void qapi_free_BlockDeviceInfoList(BlockDeviceInfoList * obj); -void qapi_free_BlockDeviceInfo(BlockDeviceInfo * obj); - -void qapi_free_BlockDeviceIoStatusList(BlockDeviceIoStatusList * obj); - -struct BlockDirtyInfo -{ - int64_t count; - int64_t granularity; -}; - -void qapi_free_BlockDirtyInfoList(BlockDirtyInfoList * obj); -void qapi_free_BlockDirtyInfo(BlockDirtyInfo * obj); - -struct BlockInfo -{ - char * device; - char * type; - bool removable; - bool locked; - bool has_inserted; - BlockDeviceInfo * inserted; - bool has_tray_open; - bool tray_open; - bool has_io_status; - BlockDeviceIoStatus io_status; - bool has_dirty; - BlockDirtyInfo * dirty; -}; - -void qapi_free_BlockInfoList(BlockInfoList * obj); -void qapi_free_BlockInfo(BlockInfo * obj); - -struct BlockDeviceStats -{ - int64_t rd_bytes; - int64_t wr_bytes; - int64_t rd_operations; - int64_t wr_operations; - int64_t flush_operations; - int64_t flush_total_time_ns; - int64_t wr_total_time_ns; - int64_t rd_total_time_ns; - int64_t wr_highest_offset; -}; - -void qapi_free_BlockDeviceStatsList(BlockDeviceStatsList * obj); -void qapi_free_BlockDeviceStats(BlockDeviceStats * obj); - -struct BlockStats -{ - bool has_device; - char * device; - BlockDeviceStats * stats; - bool has_parent; - BlockStats * parent; -}; - -void qapi_free_BlockStatsList(BlockStatsList * obj); -void qapi_free_BlockStats(BlockStats * obj); - -struct VncClientInfo -{ - char * host; - char * family; - char * service; - bool has_x509_dname; - char * x509_dname; - bool has_sasl_username; - char * sasl_username; -}; - -void qapi_free_VncClientInfoList(VncClientInfoList * obj); -void qapi_free_VncClientInfo(VncClientInfo * obj); - -struct VncInfo -{ - bool enabled; - bool has_host; - char * host; - bool has_family; - char * family; - bool has_service; - char * service; - bool has_auth; - char * auth; - bool has_clients; - VncClientInfoList * clients; -}; - -void qapi_free_VncInfoList(VncInfoList * obj); -void qapi_free_VncInfo(VncInfo * obj); - -struct SpiceChannel -{ - char * host; - char * family; - char * port; - int64_t connection_id; - int64_t channel_type; - int64_t channel_id; - bool tls; -}; - -void qapi_free_SpiceChannelList(SpiceChannelList * obj); -void qapi_free_SpiceChannel(SpiceChannel * obj); - -void qapi_free_SpiceQueryMouseModeList(SpiceQueryMouseModeList * obj); - -struct SpiceInfo -{ - bool enabled; - bool migrated; - bool has_host; - char * host; - bool has_port; - int64_t port; - bool has_tls_port; - int64_t tls_port; - bool has_auth; - char * auth; - bool has_compiled_version; - char * compiled_version; - SpiceQueryMouseMode mouse_mode; - bool has_channels; - SpiceChannelList * channels; -}; - -void qapi_free_SpiceInfoList(SpiceInfoList * obj); -void qapi_free_SpiceInfo(SpiceInfo * obj); - -struct BalloonInfo -{ - int64_t actual; -}; - -void qapi_free_BalloonInfoList(BalloonInfoList * obj); -void qapi_free_BalloonInfo(BalloonInfo * obj); - -struct PciMemoryRange -{ - int64_t base; - int64_t limit; -}; - -void qapi_free_PciMemoryRangeList(PciMemoryRangeList * obj); -void qapi_free_PciMemoryRange(PciMemoryRange * obj); - -struct PciMemoryRegion -{ - int64_t bar; - char * type; - int64_t address; - int64_t size; - bool has_prefetch; - bool prefetch; - bool has_mem_type_64; - bool mem_type_64; -}; - -void qapi_free_PciMemoryRegionList(PciMemoryRegionList * obj); -void qapi_free_PciMemoryRegion(PciMemoryRegion * obj); - -struct PciBridgeInfo -{ - struct - { - int64_t number; - int64_t secondary; - int64_t subordinate; - PciMemoryRange * io_range; - PciMemoryRange * memory_range; - PciMemoryRange * prefetchable_range; - } bus; - bool has_devices; - PciDeviceInfoList * devices; -}; - -void qapi_free_PciBridgeInfoList(PciBridgeInfoList * obj); -void qapi_free_PciBridgeInfo(PciBridgeInfo * obj); - -struct PciDeviceInfo -{ - int64_t bus; - int64_t slot; - int64_t function; - struct - { - bool has_desc; - char * desc; - int64_t class; - } class_info; - struct - { - int64_t device; - int64_t vendor; - } id; - bool has_irq; - int64_t irq; - char * qdev_id; - bool has_pci_bridge; - PciBridgeInfo * pci_bridge; - PciMemoryRegionList * regions; -}; - -void qapi_free_PciDeviceInfoList(PciDeviceInfoList * obj); -void qapi_free_PciDeviceInfo(PciDeviceInfo * obj); - -struct PciInfo -{ - int64_t bus; - PciDeviceInfoList * devices; -}; - -void qapi_free_PciInfoList(PciInfoList * obj); -void qapi_free_PciInfo(PciInfo * obj); - -void qapi_free_BlockdevOnErrorList(BlockdevOnErrorList * obj); - -void qapi_free_MirrorSyncModeList(MirrorSyncModeList * obj); - -struct BlockJobInfo -{ - char * type; - char * device; - int64_t len; - int64_t offset; - bool busy; - bool paused; - int64_t speed; - BlockDeviceIoStatus io_status; -}; - -void qapi_free_BlockJobInfoList(BlockJobInfoList * obj); -void qapi_free_BlockJobInfo(BlockJobInfo * obj); - -void qapi_free_NewImageModeList(NewImageModeList * obj); - -struct BlockdevSnapshot -{ - char * device; - char * snapshot_file; - bool has_format; - char * format; - bool has_mode; - NewImageMode mode; -}; - -void qapi_free_BlockdevSnapshotList(BlockdevSnapshotList * obj); -void qapi_free_BlockdevSnapshot(BlockdevSnapshot * obj); - -struct DriveBackup -{ - char * device; - char * target; - bool has_format; - char * format; - MirrorSyncMode sync; - bool has_mode; - NewImageMode mode; - bool has_speed; - int64_t speed; - bool has_on_source_error; - BlockdevOnError on_source_error; - bool has_on_target_error; - BlockdevOnError on_target_error; -}; - -void qapi_free_DriveBackupList(DriveBackupList * obj); -void qapi_free_DriveBackup(DriveBackup * obj); - -struct Abort -{ -}; - -void qapi_free_AbortList(AbortList * obj); -void qapi_free_Abort(Abort * obj); - -struct TransactionAction -{ - TransactionActionKind kind; - union { - void *data; - BlockdevSnapshot * blockdev_snapshot_sync; - DriveBackup * drive_backup; - Abort * abort; - }; -}; -void qapi_free_TransactionActionList(TransactionActionList * obj); -void qapi_free_TransactionAction(TransactionAction * obj); - -struct ObjectPropertyInfo -{ - char * name; - char * type; -}; - -void qapi_free_ObjectPropertyInfoList(ObjectPropertyInfoList * obj); -void qapi_free_ObjectPropertyInfo(ObjectPropertyInfo * obj); - -struct ObjectTypeInfo -{ - char * name; -}; - -void qapi_free_ObjectTypeInfoList(ObjectTypeInfoList * obj); -void qapi_free_ObjectTypeInfo(ObjectTypeInfo * obj); - -struct DevicePropertyInfo -{ - char * name; - char * type; -}; - -void qapi_free_DevicePropertyInfoList(DevicePropertyInfoList * obj); -void qapi_free_DevicePropertyInfo(DevicePropertyInfo * obj); - -struct NetdevNoneOptions -{ -}; - -void qapi_free_NetdevNoneOptionsList(NetdevNoneOptionsList * obj); -void qapi_free_NetdevNoneOptions(NetdevNoneOptions * obj); - -struct NetLegacyNicOptions -{ - bool has_netdev; - char * netdev; - bool has_macaddr; - char * macaddr; - bool has_model; - char * model; - bool has_addr; - char * addr; - bool has_vectors; - uint32_t vectors; -}; - -void qapi_free_NetLegacyNicOptionsList(NetLegacyNicOptionsList * obj); -void qapi_free_NetLegacyNicOptions(NetLegacyNicOptions * obj); - -struct String -{ - char * str; -}; - -void qapi_free_StringList(StringList * obj); -void qapi_free_String(String * obj); - -struct NetdevUserOptions -{ - bool has_hostname; - char * hostname; - bool has_q_restrict; - bool q_restrict; - bool has_ip; - char * ip; - bool has_net; - char * net; - bool has_host; - char * host; - bool has_tftp; - char * tftp; - bool has_bootfile; - char * bootfile; - bool has_dhcpstart; - char * dhcpstart; - bool has_dns; - char * dns; - bool has_dnssearch; - StringList * dnssearch; - bool has_smb; - char * smb; - bool has_smbserver; - char * smbserver; - bool has_hostfwd; - StringList * hostfwd; - bool has_guestfwd; - StringList * guestfwd; -}; - -void qapi_free_NetdevUserOptionsList(NetdevUserOptionsList * obj); -void qapi_free_NetdevUserOptions(NetdevUserOptions * obj); - -struct NetdevTapOptions -{ - bool has_ifname; - char * ifname; - bool has_fd; - char * fd; - bool has_fds; - char * fds; - bool has_script; - char * script; - bool has_downscript; - char * downscript; - bool has_helper; - char * helper; - bool has_sndbuf; - uint64_t sndbuf; - bool has_vnet_hdr; - bool vnet_hdr; - bool has_vhost; - bool vhost; - bool has_vhostfd; - char * vhostfd; - bool has_vhostfds; - char * vhostfds; - bool has_vhostforce; - bool vhostforce; - bool has_queues; - uint32_t queues; -}; - -void qapi_free_NetdevTapOptionsList(NetdevTapOptionsList * obj); -void qapi_free_NetdevTapOptions(NetdevTapOptions * obj); - -struct NetdevSocketOptions -{ - bool has_fd; - char * fd; - bool has_listen; - char * listen; - bool has_connect; - char * connect; - bool has_mcast; - char * mcast; - bool has_localaddr; - char * localaddr; - bool has_udp; - char * udp; -}; - -void qapi_free_NetdevSocketOptionsList(NetdevSocketOptionsList * obj); -void qapi_free_NetdevSocketOptions(NetdevSocketOptions * obj); - -struct NetdevVdeOptions -{ - bool has_sock; - char * sock; - bool has_port; - uint16_t port; - bool has_group; - char * group; - bool has_mode; - uint16_t mode; -}; - -void qapi_free_NetdevVdeOptionsList(NetdevVdeOptionsList * obj); -void qapi_free_NetdevVdeOptions(NetdevVdeOptions * obj); - -struct NetdevDumpOptions -{ - bool has_len; - uint64_t len; - bool has_file; - char * file; -}; - -void qapi_free_NetdevDumpOptionsList(NetdevDumpOptionsList * obj); -void qapi_free_NetdevDumpOptions(NetdevDumpOptions * obj); - -struct NetdevBridgeOptions -{ - bool has_br; - char * br; - bool has_helper; - char * helper; -}; - -void qapi_free_NetdevBridgeOptionsList(NetdevBridgeOptionsList * obj); -void qapi_free_NetdevBridgeOptions(NetdevBridgeOptions * obj); - -struct NetdevHubPortOptions -{ - int32_t hubid; -}; - -void qapi_free_NetdevHubPortOptionsList(NetdevHubPortOptionsList * obj); -void qapi_free_NetdevHubPortOptions(NetdevHubPortOptions * obj); - -struct NetClientOptions -{ - NetClientOptionsKind kind; - union { - void *data; - NetdevNoneOptions * none; - NetLegacyNicOptions * nic; - NetdevUserOptions * user; - NetdevTapOptions * tap; - NetdevSocketOptions * socket; - NetdevVdeOptions * vde; - NetdevDumpOptions * dump; - NetdevBridgeOptions * bridge; - NetdevHubPortOptions * hubport; - }; -}; -void qapi_free_NetClientOptionsList(NetClientOptionsList * obj); -void qapi_free_NetClientOptions(NetClientOptions * obj); - -struct NetLegacy -{ - bool has_vlan; - int32_t vlan; - bool has_id; - char * id; - bool has_name; - char * name; - NetClientOptions * opts; -}; - -void qapi_free_NetLegacyList(NetLegacyList * obj); -void qapi_free_NetLegacy(NetLegacy * obj); - -struct Netdev -{ - char * id; - NetClientOptions * opts; -}; - -void qapi_free_NetdevList(NetdevList * obj); -void qapi_free_Netdev(Netdev * obj); - -struct InetSocketAddress -{ - char * host; - char * port; - bool has_to; - uint16_t to; - bool has_ipv4; - bool ipv4; - bool has_ipv6; - bool ipv6; -}; - -void qapi_free_InetSocketAddressList(InetSocketAddressList * obj); -void qapi_free_InetSocketAddress(InetSocketAddress * obj); - -struct UnixSocketAddress -{ - char * path; -}; - -void qapi_free_UnixSocketAddressList(UnixSocketAddressList * obj); -void qapi_free_UnixSocketAddress(UnixSocketAddress * obj); - -struct SocketAddress -{ - SocketAddressKind kind; - union { - void *data; - InetSocketAddress * inet; - UnixSocketAddress * q_unix; - String * fd; - }; -}; -void qapi_free_SocketAddressList(SocketAddressList * obj); -void qapi_free_SocketAddress(SocketAddress * obj); - -struct MachineInfo -{ - char * name; - bool has_alias; - char * alias; - bool has_is_default; - bool is_default; - int64_t cpu_max; -}; - -void qapi_free_MachineInfoList(MachineInfoList * obj); -void qapi_free_MachineInfo(MachineInfo * obj); - -struct CpuDefinitionInfo -{ - char * name; -}; - -void qapi_free_CpuDefinitionInfoList(CpuDefinitionInfoList * obj); -void qapi_free_CpuDefinitionInfo(CpuDefinitionInfo * obj); - -struct AddfdInfo -{ - int64_t fdset_id; - int64_t fd; -}; - -void qapi_free_AddfdInfoList(AddfdInfoList * obj); -void qapi_free_AddfdInfo(AddfdInfo * obj); - -struct FdsetFdInfo -{ - int64_t fd; - bool has_opaque; - char * opaque; -}; - -void qapi_free_FdsetFdInfoList(FdsetFdInfoList * obj); -void qapi_free_FdsetFdInfo(FdsetFdInfo * obj); - -struct FdsetInfo -{ - int64_t fdset_id; - FdsetFdInfoList * fds; -}; - -void qapi_free_FdsetInfoList(FdsetInfoList * obj); -void qapi_free_FdsetInfo(FdsetInfo * obj); - -struct TargetInfo -{ - char * arch; -}; - -void qapi_free_TargetInfoList(TargetInfoList * obj); -void qapi_free_TargetInfo(TargetInfo * obj); - -void qapi_free_QKeyCodeList(QKeyCodeList * obj); - -struct KeyValue -{ - KeyValueKind kind; - union { - void *data; - int64_t number; - QKeyCode qcode; - }; -}; -void qapi_free_KeyValueList(KeyValueList * obj); -void qapi_free_KeyValue(KeyValue * obj); - -struct ChardevFile -{ - bool has_in; - char * in; - char * out; -}; - -void qapi_free_ChardevFileList(ChardevFileList * obj); -void qapi_free_ChardevFile(ChardevFile * obj); - -struct ChardevHostdev -{ - char * device; -}; - -void qapi_free_ChardevHostdevList(ChardevHostdevList * obj); -void qapi_free_ChardevHostdev(ChardevHostdev * obj); - -struct ChardevSocket -{ - SocketAddress * addr; - bool has_server; - bool server; - bool has_wait; - bool wait; - bool has_nodelay; - bool nodelay; - bool has_telnet; - bool telnet; -}; - -void qapi_free_ChardevSocketList(ChardevSocketList * obj); -void qapi_free_ChardevSocket(ChardevSocket * obj); - -struct ChardevUdp -{ - SocketAddress * remote; - bool has_local; - SocketAddress * local; -}; - -void qapi_free_ChardevUdpList(ChardevUdpList * obj); -void qapi_free_ChardevUdp(ChardevUdp * obj); - -struct ChardevMux -{ - char * chardev; -}; - -void qapi_free_ChardevMuxList(ChardevMuxList * obj); -void qapi_free_ChardevMux(ChardevMux * obj); - -struct ChardevStdio -{ - bool has_signal; - bool signal; -}; - -void qapi_free_ChardevStdioList(ChardevStdioList * obj); -void qapi_free_ChardevStdio(ChardevStdio * obj); - -struct ChardevSpiceChannel -{ - char * type; -}; - -void qapi_free_ChardevSpiceChannelList(ChardevSpiceChannelList * obj); -void qapi_free_ChardevSpiceChannel(ChardevSpiceChannel * obj); - -struct ChardevSpicePort -{ - char * fqdn; -}; - -void qapi_free_ChardevSpicePortList(ChardevSpicePortList * obj); -void qapi_free_ChardevSpicePort(ChardevSpicePort * obj); - -struct ChardevVC -{ - bool has_width; - int64_t width; - bool has_height; - int64_t height; - bool has_cols; - int64_t cols; - bool has_rows; - int64_t rows; -}; - -void qapi_free_ChardevVCList(ChardevVCList * obj); -void qapi_free_ChardevVC(ChardevVC * obj); - -struct ChardevMemory -{ - bool has_size; - int64_t size; -}; - -void qapi_free_ChardevMemoryList(ChardevMemoryList * obj); -void qapi_free_ChardevMemory(ChardevMemory * obj); - -struct ChardevDummy -{ -}; - -void qapi_free_ChardevDummyList(ChardevDummyList * obj); -void qapi_free_ChardevDummy(ChardevDummy * obj); - -struct ChardevBackend -{ - ChardevBackendKind kind; - union { - void *data; - ChardevFile * file; - ChardevHostdev * serial; - ChardevHostdev * parallel; - ChardevHostdev * pipe; - ChardevSocket * socket; - ChardevUdp * udp; - ChardevDummy * pty; - ChardevDummy * null; - ChardevMux * mux; - ChardevDummy * msmouse; - ChardevDummy * braille; - ChardevStdio * stdio; - ChardevDummy * console; - ChardevSpiceChannel * spicevmc; - ChardevSpicePort * spiceport; - ChardevVC * vc; - ChardevMemory * memory; - }; -}; -void qapi_free_ChardevBackendList(ChardevBackendList * obj); -void qapi_free_ChardevBackend(ChardevBackend * obj); - -struct ChardevReturn -{ - bool has_pty; - char * pty; -}; - -void qapi_free_ChardevReturnList(ChardevReturnList * obj); -void qapi_free_ChardevReturn(ChardevReturn * obj); - -void qapi_free_TpmModelList(TpmModelList * obj); - -void qapi_free_TpmTypeList(TpmTypeList * obj); - -struct TPMPassthroughOptions -{ - bool has_path; - char * path; - bool has_cancel_path; - char * cancel_path; -}; - -void qapi_free_TPMPassthroughOptionsList(TPMPassthroughOptionsList * obj); -void qapi_free_TPMPassthroughOptions(TPMPassthroughOptions * obj); - -struct TpmTypeOptions -{ - TpmTypeOptionsKind kind; - union { - void *data; - TPMPassthroughOptions * passthrough; - }; -}; -void qapi_free_TpmTypeOptionsList(TpmTypeOptionsList * obj); -void qapi_free_TpmTypeOptions(TpmTypeOptions * obj); - -struct TPMInfo -{ - char * id; - TpmModel model; - TpmTypeOptions * options; -}; - -void qapi_free_TPMInfoList(TPMInfoList * obj); -void qapi_free_TPMInfo(TPMInfo * obj); - -struct AcpiTableOptions -{ - bool has_sig; - char * sig; - bool has_rev; - uint8_t rev; - bool has_oem_id; - char * oem_id; - bool has_oem_table_id; - char * oem_table_id; - bool has_oem_rev; - uint32_t oem_rev; - bool has_asl_compiler_id; - char * asl_compiler_id; - bool has_asl_compiler_rev; - uint32_t asl_compiler_rev; - bool has_file; - char * file; - bool has_data; - char * data; -}; - -void qapi_free_AcpiTableOptionsList(AcpiTableOptionsList * obj); -void qapi_free_AcpiTableOptions(AcpiTableOptions * obj); - -void qapi_free_CommandLineParameterTypeList(CommandLineParameterTypeList * obj); - -struct CommandLineParameterInfo -{ - char * name; - CommandLineParameterType type; - bool has_help; - char * help; -}; - -void qapi_free_CommandLineParameterInfoList(CommandLineParameterInfoList * obj); -void qapi_free_CommandLineParameterInfo(CommandLineParameterInfo * obj); - -struct CommandLineOptionInfo -{ - char * option; - CommandLineParameterInfoList * parameters; -}; - -void qapi_free_CommandLineOptionInfoList(CommandLineOptionInfoList * obj); -void qapi_free_CommandLineOptionInfo(CommandLineOptionInfo * obj); - -void qapi_free_X86CPURegister32List(X86CPURegister32List * obj); - -struct X86CPUFeatureWordInfo -{ - int64_t cpuid_input_eax; - bool has_cpuid_input_ecx; - int64_t cpuid_input_ecx; - X86CPURegister32 cpuid_register; - int64_t features; -}; - -void qapi_free_X86CPUFeatureWordInfoList(X86CPUFeatureWordInfoList * obj); -void qapi_free_X86CPUFeatureWordInfo(X86CPUFeatureWordInfo * obj); - -void qapi_free_RxStateList(RxStateList * obj); - -struct RxFilterInfo -{ - char * name; - bool promiscuous; - RxState multicast; - RxState unicast; - bool broadcast_allowed; - bool multicast_overflow; - bool unicast_overflow; - char * main_mac; - intList * vlan_table; - strList * unicast_table; - strList * multicast_table; -}; - -void qapi_free_RxFilterInfoList(RxFilterInfoList * obj); -void qapi_free_RxFilterInfo(RxFilterInfo * obj); - -#endif diff --git a/contrib/qemu/qemu-coroutine-lock.c b/contrib/qemu/qemu-coroutine-lock.c deleted file mode 100644 index d9fea4989d4..00000000000 --- a/contrib/qemu/qemu-coroutine-lock.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * coroutine queues and locks - * - * Copyright (c) 2011 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu-common.h" -#include "block/coroutine.h" -#include "block/coroutine_int.h" -#include "qemu/queue.h" -#include "trace.h" - -void qemu_co_queue_init(CoQueue *queue) -{ - QTAILQ_INIT(&queue->entries); -} - -void coroutine_fn qemu_co_queue_wait(CoQueue *queue) -{ - Coroutine *self = qemu_coroutine_self(); - QTAILQ_INSERT_TAIL(&queue->entries, self, co_queue_next); - qemu_coroutine_yield(); - assert(qemu_in_coroutine()); -} - -void coroutine_fn qemu_co_queue_wait_insert_head(CoQueue *queue) -{ - Coroutine *self = qemu_coroutine_self(); - QTAILQ_INSERT_HEAD(&queue->entries, self, co_queue_next); - qemu_coroutine_yield(); - assert(qemu_in_coroutine()); -} - -/** - * qemu_co_queue_run_restart: - * - * Enter each coroutine that was previously marked for restart by - * qemu_co_queue_next() or qemu_co_queue_restart_all(). This function is - * invoked by the core coroutine code when the current coroutine yields or - * terminates. - */ -void qemu_co_queue_run_restart(Coroutine *co) -{ - Coroutine *next; - - trace_qemu_co_queue_run_restart(co); - while ((next = QTAILQ_FIRST(&co->co_queue_wakeup))) { - QTAILQ_REMOVE(&co->co_queue_wakeup, next, co_queue_next); - qemu_coroutine_enter(next, NULL); - } -} - -static bool qemu_co_queue_do_restart(CoQueue *queue, bool single) -{ - Coroutine *self = qemu_coroutine_self(); - Coroutine *next; - - if (QTAILQ_EMPTY(&queue->entries)) { - return false; - } - - while ((next = QTAILQ_FIRST(&queue->entries)) != NULL) { - QTAILQ_REMOVE(&queue->entries, next, co_queue_next); - QTAILQ_INSERT_TAIL(&self->co_queue_wakeup, next, co_queue_next); - trace_qemu_co_queue_next(next); - if (single) { - break; - } - } - return true; -} - -bool qemu_co_queue_next(CoQueue *queue) -{ - return qemu_co_queue_do_restart(queue, true); -} - -void qemu_co_queue_restart_all(CoQueue *queue) -{ - qemu_co_queue_do_restart(queue, false); -} - -bool qemu_co_queue_empty(CoQueue *queue) -{ - return (QTAILQ_FIRST(&queue->entries) == NULL); -} - -void qemu_co_mutex_init(CoMutex *mutex) -{ - memset(mutex, 0, sizeof(*mutex)); - qemu_co_queue_init(&mutex->queue); -} - -void coroutine_fn qemu_co_mutex_lock(CoMutex *mutex) -{ - Coroutine *self = qemu_coroutine_self(); - - trace_qemu_co_mutex_lock_entry(mutex, self); - - while (mutex->locked) { - qemu_co_queue_wait(&mutex->queue); - } - - mutex->locked = true; - - trace_qemu_co_mutex_lock_return(mutex, self); -} - -void coroutine_fn qemu_co_mutex_unlock(CoMutex *mutex) -{ - Coroutine *self = qemu_coroutine_self(); - - trace_qemu_co_mutex_unlock_entry(mutex, self); - - assert(mutex->locked == true); - assert(qemu_in_coroutine()); - - mutex->locked = false; - qemu_co_queue_next(&mutex->queue); - - trace_qemu_co_mutex_unlock_return(mutex, self); -} - -void qemu_co_rwlock_init(CoRwlock *lock) -{ - memset(lock, 0, sizeof(*lock)); - qemu_co_queue_init(&lock->queue); -} - -void qemu_co_rwlock_rdlock(CoRwlock *lock) -{ - while (lock->writer) { - qemu_co_queue_wait(&lock->queue); - } - lock->reader++; -} - -void qemu_co_rwlock_unlock(CoRwlock *lock) -{ - assert(qemu_in_coroutine()); - if (lock->writer) { - lock->writer = false; - qemu_co_queue_restart_all(&lock->queue); - } else { - lock->reader--; - assert(lock->reader >= 0); - /* Wakeup only one waiting writer */ - if (!lock->reader) { - qemu_co_queue_next(&lock->queue); - } - } -} - -void qemu_co_rwlock_wrlock(CoRwlock *lock) -{ - while (lock->writer || lock->reader) { - qemu_co_queue_wait(&lock->queue); - } - lock->writer = true; -} diff --git a/contrib/qemu/qemu-coroutine-sleep.c b/contrib/qemu/qemu-coroutine-sleep.c deleted file mode 100644 index 169ce5ccc92..00000000000 --- a/contrib/qemu/qemu-coroutine-sleep.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * QEMU coroutine sleep - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "block/coroutine.h" -#include "qemu/timer.h" - -typedef struct CoSleepCB { - QEMUTimer *ts; - Coroutine *co; -} CoSleepCB; - -static void co_sleep_cb(void *opaque) -{ - CoSleepCB *sleep_cb = opaque; - - qemu_coroutine_enter(sleep_cb->co, NULL); -} - -void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns) -{ - CoSleepCB sleep_cb = { - .co = qemu_coroutine_self(), - }; - sleep_cb.ts = qemu_new_timer(clock, SCALE_NS, co_sleep_cb, &sleep_cb); - qemu_mod_timer(sleep_cb.ts, qemu_get_clock_ns(clock) + ns); - qemu_coroutine_yield(); - qemu_del_timer(sleep_cb.ts); - qemu_free_timer(sleep_cb.ts); -} diff --git a/contrib/qemu/qemu-coroutine.c b/contrib/qemu/qemu-coroutine.c deleted file mode 100644 index 5e19307eeda..00000000000 --- a/contrib/qemu/qemu-coroutine.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * QEMU coroutines - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> - * Kevin Wolf <kwolf@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "trace.h" -#include "qemu-common.h" -#include "qemu/thread.h" -#include "block/coroutine.h" -#include "block/coroutine_int.h" - -enum { - /* Maximum free pool size prevents holding too many freed coroutines */ - POOL_MAX_SIZE = 0, -}; - -/** Free list to speed up creation */ -static QemuMutex pool_lock; -static QSLIST_HEAD(, Coroutine) pool = QSLIST_HEAD_INITIALIZER(pool); -static unsigned int pool_size; - -Coroutine *qemu_coroutine_create(CoroutineEntry *entry) -{ - Coroutine *co; - - qemu_mutex_lock(&pool_lock); - co = QSLIST_FIRST(&pool); - if (co) { - QSLIST_REMOVE_HEAD(&pool, pool_next); - pool_size--; - } - qemu_mutex_unlock(&pool_lock); - - if (!co) { - co = qemu_coroutine_new(); - } - - co->entry = entry; - QTAILQ_INIT(&co->co_queue_wakeup); - return co; -} - -static void coroutine_delete(Coroutine *co) -{ - qemu_mutex_lock(&pool_lock); - if (pool_size < POOL_MAX_SIZE) { - QSLIST_INSERT_HEAD(&pool, co, pool_next); - co->caller = NULL; - pool_size++; - qemu_mutex_unlock(&pool_lock); - return; - } - qemu_mutex_unlock(&pool_lock); - - qemu_coroutine_delete(co); -} - -static void __attribute__((constructor)) coroutine_pool_init(void) -{ - qemu_mutex_init(&pool_lock); -} - -static void __attribute__((destructor)) coroutine_pool_cleanup(void) -{ - Coroutine *co; - Coroutine *tmp; - - QSLIST_FOREACH_SAFE(co, &pool, pool_next, tmp) { - QSLIST_REMOVE_HEAD(&pool, pool_next); - qemu_coroutine_delete(co); - } - - qemu_mutex_destroy(&pool_lock); -} - -static void coroutine_swap(Coroutine *from, Coroutine *to) -{ - CoroutineAction ret; - - ret = qemu_coroutine_switch(from, to, COROUTINE_YIELD); - - qemu_co_queue_run_restart(to); - - switch (ret) { - case COROUTINE_YIELD: - return; - case COROUTINE_TERMINATE: - trace_qemu_coroutine_terminate(to); - coroutine_delete(to); - return; - default: - abort(); - } -} - -void qemu_coroutine_enter(Coroutine *co, void *opaque) -{ - Coroutine *self = qemu_coroutine_self(); - - trace_qemu_coroutine_enter(self, co, opaque); - - if (co->caller) { - fprintf(stderr, "Co-routine re-entered recursively\n"); - abort(); - } - - co->caller = self; - co->entry_arg = opaque; - coroutine_swap(self, co); -} - -void coroutine_fn qemu_coroutine_yield(void) -{ - Coroutine *self = qemu_coroutine_self(); - Coroutine *to = self->caller; - - trace_qemu_coroutine_yield(self, to); - - if (!to) { - fprintf(stderr, "Co-routine is yielding to no one\n"); - abort(); - } - - self->caller = NULL; - coroutine_swap(self, to); -} diff --git a/contrib/qemu/qmp-commands.h b/contrib/qemu/qmp-commands.h deleted file mode 100644 index fcc0ff0f7f0..00000000000 --- a/contrib/qemu/qmp-commands.h +++ /dev/null @@ -1,204 +0,0 @@ -/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */ - -/* - * schema-defined QAPI function prototypes - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#ifndef QMP_COMMANDS_H -#define QMP_COMMANDS_H - -#include "qapi-types.h" -#include "qapi/qmp/qdict.h" -#include "qapi/error.h" - -void qmp_add_client(const char * protocol, const char * fdname, bool has_skipauth, bool skipauth, bool has_tls, bool tls, Error **errp); -int qmp_marshal_input_add_client(Monitor *mon, const QDict *qdict, QObject **ret); -NameInfo * qmp_query_name(Error **errp); -int qmp_marshal_input_query_name(Monitor *mon, const QDict *qdict, QObject **ret); -VersionInfo * qmp_query_version(Error **errp); -int qmp_marshal_input_query_version(Monitor *mon, const QDict *qdict, QObject **ret); -KvmInfo * qmp_query_kvm(Error **errp); -int qmp_marshal_input_query_kvm(Monitor *mon, const QDict *qdict, QObject **ret); -StatusInfo * qmp_query_status(Error **errp); -int qmp_marshal_input_query_status(Monitor *mon, const QDict *qdict, QObject **ret); -UuidInfo * qmp_query_uuid(Error **errp); -int qmp_marshal_input_query_uuid(Monitor *mon, const QDict *qdict, QObject **ret); -ChardevInfoList * qmp_query_chardev(Error **errp); -int qmp_marshal_input_query_chardev(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_ringbuf_write(const char * device, const char * data, bool has_format, DataFormat format, Error **errp); -int qmp_marshal_input_ringbuf_write(Monitor *mon, const QDict *qdict, QObject **ret); -char * qmp_ringbuf_read(const char * device, int64_t size, bool has_format, DataFormat format, Error **errp); -int qmp_marshal_input_ringbuf_read(Monitor *mon, const QDict *qdict, QObject **ret); -CommandInfoList * qmp_query_commands(Error **errp); -int qmp_marshal_input_query_commands(Monitor *mon, const QDict *qdict, QObject **ret); -EventInfoList * qmp_query_events(Error **errp); -int qmp_marshal_input_query_events(Monitor *mon, const QDict *qdict, QObject **ret); -MigrationInfo * qmp_query_migrate(Error **errp); -int qmp_marshal_input_query_migrate(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate_set_capabilities(MigrationCapabilityStatusList * capabilities, Error **errp); -int qmp_marshal_input_migrate_set_capabilities(Monitor *mon, const QDict *qdict, QObject **ret); -MigrationCapabilityStatusList * qmp_query_migrate_capabilities(Error **errp); -int qmp_marshal_input_query_migrate_capabilities(Monitor *mon, const QDict *qdict, QObject **ret); -MouseInfoList * qmp_query_mice(Error **errp); -int qmp_marshal_input_query_mice(Monitor *mon, const QDict *qdict, QObject **ret); -CpuInfoList * qmp_query_cpus(Error **errp); -int qmp_marshal_input_query_cpus(Monitor *mon, const QDict *qdict, QObject **ret); -BlockInfoList * qmp_query_block(Error **errp); -int qmp_marshal_input_query_block(Monitor *mon, const QDict *qdict, QObject **ret); -BlockStatsList * qmp_query_blockstats(Error **errp); -int qmp_marshal_input_query_blockstats(Monitor *mon, const QDict *qdict, QObject **ret); -VncInfo * qmp_query_vnc(Error **errp); -int qmp_marshal_input_query_vnc(Monitor *mon, const QDict *qdict, QObject **ret); -SpiceInfo * qmp_query_spice(Error **errp); -int qmp_marshal_input_query_spice(Monitor *mon, const QDict *qdict, QObject **ret); -BalloonInfo * qmp_query_balloon(Error **errp); -int qmp_marshal_input_query_balloon(Monitor *mon, const QDict *qdict, QObject **ret); -PciInfoList * qmp_query_pci(Error **errp); -int qmp_marshal_input_query_pci(Monitor *mon, const QDict *qdict, QObject **ret); -BlockJobInfoList * qmp_query_block_jobs(Error **errp); -int qmp_marshal_input_query_block_jobs(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_quit(Error **errp); -int qmp_marshal_input_quit(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_stop(Error **errp); -int qmp_marshal_input_stop(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_system_reset(Error **errp); -int qmp_marshal_input_system_reset(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_system_powerdown(Error **errp); -int qmp_marshal_input_system_powerdown(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_cpu(int64_t index, Error **errp); -int qmp_marshal_input_cpu(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_cpu_add(int64_t id, Error **errp); -int qmp_marshal_input_cpu_add(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_memsave(int64_t val, int64_t size, const char * filename, bool has_cpu_index, int64_t cpu_index, Error **errp); -int qmp_marshal_input_memsave(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_pmemsave(int64_t val, int64_t size, const char * filename, Error **errp); -int qmp_marshal_input_pmemsave(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_cont(Error **errp); -int qmp_marshal_input_cont(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_system_wakeup(Error **errp); -int qmp_marshal_input_system_wakeup(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_inject_nmi(Error **errp); -int qmp_marshal_input_inject_nmi(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_set_link(const char * name, bool up, Error **errp); -int qmp_marshal_input_set_link(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_passwd(const char * device, const char * password, Error **errp); -int qmp_marshal_input_block_passwd(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_balloon(int64_t value, Error **errp); -int qmp_marshal_input_balloon(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_resize(const char * device, int64_t size, Error **errp); -int qmp_marshal_input_block_resize(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_transaction(TransactionActionList * actions, Error **errp); -int qmp_marshal_input_transaction(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_blockdev_snapshot_sync(const char * device, const char * snapshot_file, bool has_format, const char * format, bool has_mode, NewImageMode mode, Error **errp); -int qmp_marshal_input_blockdev_snapshot_sync(Monitor *mon, const QDict *qdict, QObject **ret); -char * qmp_human_monitor_command(const char * command_line, bool has_cpu_index, int64_t cpu_index, Error **errp); -int qmp_marshal_input_human_monitor_command(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_commit(const char * device, bool has_base, const char * base, const char * top, bool has_speed, int64_t speed, Error **errp); -int qmp_marshal_input_block_commit(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_drive_backup(const char * device, const char * target, bool has_format, const char * format, MirrorSyncMode sync, bool has_mode, NewImageMode mode, bool has_speed, int64_t speed, bool has_on_source_error, BlockdevOnError on_source_error, bool has_on_target_error, BlockdevOnError on_target_error, Error **errp); -int qmp_marshal_input_drive_backup(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_drive_mirror(const char * device, const char * target, bool has_format, const char * format, MirrorSyncMode sync, bool has_mode, NewImageMode mode, bool has_speed, int64_t speed, bool has_granularity, uint32_t granularity, bool has_buf_size, int64_t buf_size, bool has_on_source_error, BlockdevOnError on_source_error, bool has_on_target_error, BlockdevOnError on_target_error, Error **errp); -int qmp_marshal_input_drive_mirror(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate_cancel(Error **errp); -int qmp_marshal_input_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate_set_downtime(double value, Error **errp); -int qmp_marshal_input_migrate_set_downtime(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate_set_speed(int64_t value, Error **errp); -int qmp_marshal_input_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate_set_cache_size(int64_t value, Error **errp); -int qmp_marshal_input_migrate_set_cache_size(Monitor *mon, const QDict *qdict, QObject **ret); -int64_t qmp_query_migrate_cache_size(Error **errp); -int qmp_marshal_input_query_migrate_cache_size(Monitor *mon, const QDict *qdict, QObject **ret); -ObjectPropertyInfoList * qmp_qom_list(const char * path, Error **errp); -int qmp_marshal_input_qom_list(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_set_password(const char * protocol, const char * password, bool has_connected, const char * connected, Error **errp); -int qmp_marshal_input_set_password(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_expire_password(const char * protocol, const char * time, Error **errp); -int qmp_marshal_input_expire_password(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_eject(const char * device, bool has_force, bool force, Error **errp); -int qmp_marshal_input_eject(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_change_vnc_password(const char * password, Error **errp); -int qmp_marshal_input_change_vnc_password(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_change(const char * device, const char * target, bool has_arg, const char * arg, Error **errp); -int qmp_marshal_input_change(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_set_io_throttle(const char * device, int64_t bps, int64_t bps_rd, int64_t bps_wr, int64_t iops, int64_t iops_rd, int64_t iops_wr, Error **errp); -int qmp_marshal_input_block_set_io_throttle(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_stream(const char * device, bool has_base, const char * base, bool has_speed, int64_t speed, bool has_on_error, BlockdevOnError on_error, Error **errp); -int qmp_marshal_input_block_stream(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_job_set_speed(const char * device, int64_t speed, Error **errp); -int qmp_marshal_input_block_job_set_speed(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_job_cancel(const char * device, bool has_force, bool force, Error **errp); -int qmp_marshal_input_block_job_cancel(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_job_pause(const char * device, Error **errp); -int qmp_marshal_input_block_job_pause(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_job_resume(const char * device, Error **errp); -int qmp_marshal_input_block_job_resume(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_block_job_complete(const char * device, Error **errp); -int qmp_marshal_input_block_job_complete(Monitor *mon, const QDict *qdict, QObject **ret); -ObjectTypeInfoList * qmp_qom_list_types(bool has_implements, const char * implements, bool has_abstract, bool abstract, Error **errp); -int qmp_marshal_input_qom_list_types(Monitor *mon, const QDict *qdict, QObject **ret); -DevicePropertyInfoList * qmp_device_list_properties(const char * typename, Error **errp); -int qmp_marshal_input_device_list_properties(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_migrate(const char * uri, bool has_blk, bool blk, bool has_inc, bool inc, bool has_detach, bool detach, Error **errp); -int qmp_marshal_input_migrate(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_xen_save_devices_state(const char * filename, Error **errp); -int qmp_marshal_input_xen_save_devices_state(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_xen_set_global_dirty_log(bool enable, Error **errp); -int qmp_marshal_input_xen_set_global_dirty_log(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_device_del(const char * id, Error **errp); -int qmp_marshal_input_device_del(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_dump_guest_memory(bool paging, const char * protocol, bool has_begin, int64_t begin, bool has_length, int64_t length, Error **errp); -int qmp_marshal_input_dump_guest_memory(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_netdev_del(const char * id, Error **errp); -int qmp_marshal_input_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_getfd(const char * fdname, Error **errp); -int qmp_marshal_input_getfd(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_closefd(const char * fdname, Error **errp); -int qmp_marshal_input_closefd(Monitor *mon, const QDict *qdict, QObject **ret); -MachineInfoList * qmp_query_machines(Error **errp); -int qmp_marshal_input_query_machines(Monitor *mon, const QDict *qdict, QObject **ret); -CpuDefinitionInfoList * qmp_query_cpu_definitions(Error **errp); -int qmp_marshal_input_query_cpu_definitions(Monitor *mon, const QDict *qdict, QObject **ret); -AddfdInfo * qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, const char * opaque, Error **errp); -int qmp_marshal_input_add_fd(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp); -int qmp_marshal_input_remove_fd(Monitor *mon, const QDict *qdict, QObject **ret); -FdsetInfoList * qmp_query_fdsets(Error **errp); -int qmp_marshal_input_query_fdsets(Monitor *mon, const QDict *qdict, QObject **ret); -TargetInfo * qmp_query_target(Error **errp); -int qmp_marshal_input_query_target(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_send_key(KeyValueList * keys, bool has_hold_time, int64_t hold_time, Error **errp); -int qmp_marshal_input_send_key(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_screendump(const char * filename, Error **errp); -int qmp_marshal_input_screendump(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_nbd_server_start(SocketAddress * addr, Error **errp); -int qmp_marshal_input_nbd_server_start(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_nbd_server_add(const char * device, bool has_writable, bool writable, Error **errp); -int qmp_marshal_input_nbd_server_add(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_nbd_server_stop(Error **errp); -int qmp_marshal_input_nbd_server_stop(Monitor *mon, const QDict *qdict, QObject **ret); -ChardevReturn * qmp_chardev_add(const char * id, ChardevBackend * backend, Error **errp); -int qmp_marshal_input_chardev_add(Monitor *mon, const QDict *qdict, QObject **ret); -void qmp_chardev_remove(const char * id, Error **errp); -int qmp_marshal_input_chardev_remove(Monitor *mon, const QDict *qdict, QObject **ret); -TpmModelList * qmp_query_tpm_models(Error **errp); -int qmp_marshal_input_query_tpm_models(Monitor *mon, const QDict *qdict, QObject **ret); -TpmTypeList * qmp_query_tpm_types(Error **errp); -int qmp_marshal_input_query_tpm_types(Monitor *mon, const QDict *qdict, QObject **ret); -TPMInfoList * qmp_query_tpm(Error **errp); -int qmp_marshal_input_query_tpm(Monitor *mon, const QDict *qdict, QObject **ret); -CommandLineOptionInfoList * qmp_query_command_line_options(bool has_option, const char * option, Error **errp); -int qmp_marshal_input_query_command_line_options(Monitor *mon, const QDict *qdict, QObject **ret); -RxFilterInfoList * qmp_query_rx_filter(bool has_name, const char * name, Error **errp); -int qmp_marshal_input_query_rx_filter(Monitor *mon, const QDict *qdict, QObject **ret); - -#endif diff --git a/contrib/qemu/qobject/json-lexer.c b/contrib/qemu/qobject/json-lexer.c deleted file mode 100644 index 440df60392b..00000000000 --- a/contrib/qemu/qobject/json-lexer.c +++ /dev/null @@ -1,373 +0,0 @@ -/* - * JSON lexer - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qapi/qmp/qstring.h" -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qint.h" -#include "qemu-common.h" -#include "qapi/qmp/json-lexer.h" - -#define MAX_TOKEN_SIZE (64ULL << 20) - -/* - * \"([^\\\"]|(\\\"\\'\\\\\\/\\b\\f\\n\\r\\t\\u[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]))*\" - * '([^\\']|(\\\"\\'\\\\\\/\\b\\f\\n\\r\\t\\u[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]))*' - * 0|([1-9][0-9]*(.[0-9]+)?([eE]([-+])?[0-9]+)) - * [{}\[\],:] - * [a-z]+ - * - */ - -enum json_lexer_state { - IN_ERROR = 0, - IN_DQ_UCODE3, - IN_DQ_UCODE2, - IN_DQ_UCODE1, - IN_DQ_UCODE0, - IN_DQ_STRING_ESCAPE, - IN_DQ_STRING, - IN_SQ_UCODE3, - IN_SQ_UCODE2, - IN_SQ_UCODE1, - IN_SQ_UCODE0, - IN_SQ_STRING_ESCAPE, - IN_SQ_STRING, - IN_ZERO, - IN_DIGITS, - IN_DIGIT, - IN_EXP_E, - IN_MANTISSA, - IN_MANTISSA_DIGITS, - IN_NONZERO_NUMBER, - IN_NEG_NONZERO_NUMBER, - IN_KEYWORD, - IN_ESCAPE, - IN_ESCAPE_L, - IN_ESCAPE_LL, - IN_ESCAPE_I, - IN_ESCAPE_I6, - IN_ESCAPE_I64, - IN_WHITESPACE, - IN_START, -}; - -#define TERMINAL(state) [0 ... 0x7F] = (state) - -/* Return whether TERMINAL is a terminal state and the transition to it - from OLD_STATE required lookahead. This happens whenever the table - below uses the TERMINAL macro. */ -#define TERMINAL_NEEDED_LOOKAHEAD(old_state, terminal) \ - (json_lexer[(old_state)][0] == (terminal)) - -static const uint8_t json_lexer[][256] = { - /* double quote string */ - [IN_DQ_UCODE3] = { - ['0' ... '9'] = IN_DQ_STRING, - ['a' ... 'f'] = IN_DQ_STRING, - ['A' ... 'F'] = IN_DQ_STRING, - }, - [IN_DQ_UCODE2] = { - ['0' ... '9'] = IN_DQ_UCODE3, - ['a' ... 'f'] = IN_DQ_UCODE3, - ['A' ... 'F'] = IN_DQ_UCODE3, - }, - [IN_DQ_UCODE1] = { - ['0' ... '9'] = IN_DQ_UCODE2, - ['a' ... 'f'] = IN_DQ_UCODE2, - ['A' ... 'F'] = IN_DQ_UCODE2, - }, - [IN_DQ_UCODE0] = { - ['0' ... '9'] = IN_DQ_UCODE1, - ['a' ... 'f'] = IN_DQ_UCODE1, - ['A' ... 'F'] = IN_DQ_UCODE1, - }, - [IN_DQ_STRING_ESCAPE] = { - ['b'] = IN_DQ_STRING, - ['f'] = IN_DQ_STRING, - ['n'] = IN_DQ_STRING, - ['r'] = IN_DQ_STRING, - ['t'] = IN_DQ_STRING, - ['/'] = IN_DQ_STRING, - ['\\'] = IN_DQ_STRING, - ['\''] = IN_DQ_STRING, - ['\"'] = IN_DQ_STRING, - ['u'] = IN_DQ_UCODE0, - }, - [IN_DQ_STRING] = { - [1 ... 0xBF] = IN_DQ_STRING, - [0xC2 ... 0xF4] = IN_DQ_STRING, - ['\\'] = IN_DQ_STRING_ESCAPE, - ['"'] = JSON_STRING, - }, - - /* single quote string */ - [IN_SQ_UCODE3] = { - ['0' ... '9'] = IN_SQ_STRING, - ['a' ... 'f'] = IN_SQ_STRING, - ['A' ... 'F'] = IN_SQ_STRING, - }, - [IN_SQ_UCODE2] = { - ['0' ... '9'] = IN_SQ_UCODE3, - ['a' ... 'f'] = IN_SQ_UCODE3, - ['A' ... 'F'] = IN_SQ_UCODE3, - }, - [IN_SQ_UCODE1] = { - ['0' ... '9'] = IN_SQ_UCODE2, - ['a' ... 'f'] = IN_SQ_UCODE2, - ['A' ... 'F'] = IN_SQ_UCODE2, - }, - [IN_SQ_UCODE0] = { - ['0' ... '9'] = IN_SQ_UCODE1, - ['a' ... 'f'] = IN_SQ_UCODE1, - ['A' ... 'F'] = IN_SQ_UCODE1, - }, - [IN_SQ_STRING_ESCAPE] = { - ['b'] = IN_SQ_STRING, - ['f'] = IN_SQ_STRING, - ['n'] = IN_SQ_STRING, - ['r'] = IN_SQ_STRING, - ['t'] = IN_SQ_STRING, - ['/'] = IN_DQ_STRING, - ['\\'] = IN_DQ_STRING, - ['\''] = IN_SQ_STRING, - ['\"'] = IN_SQ_STRING, - ['u'] = IN_SQ_UCODE0, - }, - [IN_SQ_STRING] = { - [1 ... 0xBF] = IN_SQ_STRING, - [0xC2 ... 0xF4] = IN_SQ_STRING, - ['\\'] = IN_SQ_STRING_ESCAPE, - ['\''] = JSON_STRING, - }, - - /* Zero */ - [IN_ZERO] = { - TERMINAL(JSON_INTEGER), - ['0' ... '9'] = IN_ERROR, - ['.'] = IN_MANTISSA, - }, - - /* Float */ - [IN_DIGITS] = { - TERMINAL(JSON_FLOAT), - ['0' ... '9'] = IN_DIGITS, - }, - - [IN_DIGIT] = { - ['0' ... '9'] = IN_DIGITS, - }, - - [IN_EXP_E] = { - ['-'] = IN_DIGIT, - ['+'] = IN_DIGIT, - ['0' ... '9'] = IN_DIGITS, - }, - - [IN_MANTISSA_DIGITS] = { - TERMINAL(JSON_FLOAT), - ['0' ... '9'] = IN_MANTISSA_DIGITS, - ['e'] = IN_EXP_E, - ['E'] = IN_EXP_E, - }, - - [IN_MANTISSA] = { - ['0' ... '9'] = IN_MANTISSA_DIGITS, - }, - - /* Number */ - [IN_NONZERO_NUMBER] = { - TERMINAL(JSON_INTEGER), - ['0' ... '9'] = IN_NONZERO_NUMBER, - ['e'] = IN_EXP_E, - ['E'] = IN_EXP_E, - ['.'] = IN_MANTISSA, - }, - - [IN_NEG_NONZERO_NUMBER] = { - ['0'] = IN_ZERO, - ['1' ... '9'] = IN_NONZERO_NUMBER, - }, - - /* keywords */ - [IN_KEYWORD] = { - TERMINAL(JSON_KEYWORD), - ['a' ... 'z'] = IN_KEYWORD, - }, - - /* whitespace */ - [IN_WHITESPACE] = { - TERMINAL(JSON_SKIP), - [' '] = IN_WHITESPACE, - ['\t'] = IN_WHITESPACE, - ['\r'] = IN_WHITESPACE, - ['\n'] = IN_WHITESPACE, - }, - - /* escape */ - [IN_ESCAPE_LL] = { - ['d'] = JSON_ESCAPE, - }, - - [IN_ESCAPE_L] = { - ['d'] = JSON_ESCAPE, - ['l'] = IN_ESCAPE_LL, - }, - - [IN_ESCAPE_I64] = { - ['d'] = JSON_ESCAPE, - }, - - [IN_ESCAPE_I6] = { - ['4'] = IN_ESCAPE_I64, - }, - - [IN_ESCAPE_I] = { - ['6'] = IN_ESCAPE_I6, - }, - - [IN_ESCAPE] = { - ['d'] = JSON_ESCAPE, - ['i'] = JSON_ESCAPE, - ['p'] = JSON_ESCAPE, - ['s'] = JSON_ESCAPE, - ['f'] = JSON_ESCAPE, - ['l'] = IN_ESCAPE_L, - ['I'] = IN_ESCAPE_I, - }, - - /* top level rule */ - [IN_START] = { - ['"'] = IN_DQ_STRING, - ['\''] = IN_SQ_STRING, - ['0'] = IN_ZERO, - ['1' ... '9'] = IN_NONZERO_NUMBER, - ['-'] = IN_NEG_NONZERO_NUMBER, - ['{'] = JSON_OPERATOR, - ['}'] = JSON_OPERATOR, - ['['] = JSON_OPERATOR, - [']'] = JSON_OPERATOR, - [','] = JSON_OPERATOR, - [':'] = JSON_OPERATOR, - ['a' ... 'z'] = IN_KEYWORD, - ['%'] = IN_ESCAPE, - [' '] = IN_WHITESPACE, - ['\t'] = IN_WHITESPACE, - ['\r'] = IN_WHITESPACE, - ['\n'] = IN_WHITESPACE, - }, -}; - -void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func) -{ - lexer->emit = func; - lexer->state = IN_START; - lexer->token = qstring_new(); - lexer->x = lexer->y = 0; -} - -static int json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush) -{ - int char_consumed, new_state; - - lexer->x++; - if (ch == '\n') { - lexer->x = 0; - lexer->y++; - } - - do { - new_state = json_lexer[lexer->state][(uint8_t)ch]; - char_consumed = !TERMINAL_NEEDED_LOOKAHEAD(lexer->state, new_state); - if (char_consumed) { - qstring_append_chr(lexer->token, ch); - } - - switch (new_state) { - case JSON_OPERATOR: - case JSON_ESCAPE: - case JSON_INTEGER: - case JSON_FLOAT: - case JSON_KEYWORD: - case JSON_STRING: - lexer->emit(lexer, lexer->token, new_state, lexer->x, lexer->y); - /* fall through */ - case JSON_SKIP: - QDECREF(lexer->token); - lexer->token = qstring_new(); - new_state = IN_START; - break; - case IN_ERROR: - /* XXX: To avoid having previous bad input leaving the parser in an - * unresponsive state where we consume unpredictable amounts of - * subsequent "good" input, percolate this error state up to the - * tokenizer/parser by forcing a NULL object to be emitted, then - * reset state. - * - * Also note that this handling is required for reliable channel - * negotiation between QMP and the guest agent, since chr(0xFF) - * is placed at the beginning of certain events to ensure proper - * delivery when the channel is in an unknown state. chr(0xFF) is - * never a valid ASCII/UTF-8 sequence, so this should reliably - * induce an error/flush state. - */ - lexer->emit(lexer, lexer->token, JSON_ERROR, lexer->x, lexer->y); - QDECREF(lexer->token); - lexer->token = qstring_new(); - new_state = IN_START; - lexer->state = new_state; - return 0; - default: - break; - } - lexer->state = new_state; - } while (!char_consumed && !flush); - - /* Do not let a single token grow to an arbitrarily large size, - * this is a security consideration. - */ - if (lexer->token->length > MAX_TOKEN_SIZE) { - lexer->emit(lexer, lexer->token, lexer->state, lexer->x, lexer->y); - QDECREF(lexer->token); - lexer->token = qstring_new(); - lexer->state = IN_START; - } - - return 0; -} - -int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size) -{ - size_t i; - - for (i = 0; i < size; i++) { - int err; - - err = json_lexer_feed_char(lexer, buffer[i], false); - if (err < 0) { - return err; - } - } - - return 0; -} - -int json_lexer_flush(JSONLexer *lexer) -{ - return lexer->state == IN_START ? 0 : json_lexer_feed_char(lexer, 0, true); -} - -void json_lexer_destroy(JSONLexer *lexer) -{ - QDECREF(lexer->token); -} diff --git a/contrib/qemu/qobject/json-parser.c b/contrib/qemu/qobject/json-parser.c deleted file mode 100644 index e7947b340c1..00000000000 --- a/contrib/qemu/qobject/json-parser.c +++ /dev/null @@ -1,724 +0,0 @@ -/* - * JSON Parser - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include <stdarg.h> - -#include "qemu-common.h" -#include "qapi/qmp/qstring.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/json-parser.h" -#include "qapi/qmp/json-lexer.h" -#include "qapi/qmp/qerror.h" - -typedef struct JSONParserContext -{ - Error *err; - struct { - QObject **buf; - size_t pos; - size_t count; - } tokens; -} JSONParserContext; - -#define BUG_ON(cond) assert(!(cond)) - -/** - * TODO - * - * 0) make errors meaningful again - * 1) add geometry information to tokens - * 3) should we return a parsed size? - * 4) deal with premature EOI - */ - -static QObject *parse_value(JSONParserContext *ctxt, va_list *ap); - -/** - * Token manipulators - * - * tokens are dictionaries that contain a type, a string value, and geometry information - * about a token identified by the lexer. These are routines that make working with - * these objects a bit easier. - */ -static const char *token_get_value(QObject *obj) -{ - return qdict_get_str(qobject_to_qdict(obj), "token"); -} - -static JSONTokenType token_get_type(QObject *obj) -{ - return qdict_get_int(qobject_to_qdict(obj), "type"); -} - -static int token_is_operator(QObject *obj, char op) -{ - const char *val; - - if (token_get_type(obj) != JSON_OPERATOR) { - return 0; - } - - val = token_get_value(obj); - - return (val[0] == op) && (val[1] == 0); -} - -static int token_is_keyword(QObject *obj, const char *value) -{ - if (token_get_type(obj) != JSON_KEYWORD) { - return 0; - } - - return strcmp(token_get_value(obj), value) == 0; -} - -static int token_is_escape(QObject *obj, const char *value) -{ - if (token_get_type(obj) != JSON_ESCAPE) { - return 0; - } - - return (strcmp(token_get_value(obj), value) == 0); -} - -/** - * Error handler - */ -static void GCC_FMT_ATTR(3, 4) parse_error(JSONParserContext *ctxt, - QObject *token, const char *msg, ...) -{ - va_list ap; - char message[1024]; - va_start(ap, msg); - vsnprintf(message, sizeof(message), msg, ap); - va_end(ap); - if (ctxt->err) { - error_free(ctxt->err); - ctxt->err = NULL; - } - error_set(&ctxt->err, QERR_JSON_PARSE_ERROR, message); -} - -/** - * String helpers - * - * These helpers are used to unescape strings. - */ -static void wchar_to_utf8(uint16_t wchar, char *buffer, size_t buffer_length) -{ - if (wchar <= 0x007F) { - BUG_ON(buffer_length < 2); - - buffer[0] = wchar & 0x7F; - buffer[1] = 0; - } else if (wchar <= 0x07FF) { - BUG_ON(buffer_length < 3); - - buffer[0] = 0xC0 | ((wchar >> 6) & 0x1F); - buffer[1] = 0x80 | (wchar & 0x3F); - buffer[2] = 0; - } else { - BUG_ON(buffer_length < 4); - - buffer[0] = 0xE0 | ((wchar >> 12) & 0x0F); - buffer[1] = 0x80 | ((wchar >> 6) & 0x3F); - buffer[2] = 0x80 | (wchar & 0x3F); - buffer[3] = 0; - } -} - -static int hex2decimal(char ch) -{ - if (ch >= '0' && ch <= '9') { - return (ch - '0'); - } else if (ch >= 'a' && ch <= 'f') { - return 10 + (ch - 'a'); - } else if (ch >= 'A' && ch <= 'F') { - return 10 + (ch - 'A'); - } - - return -1; -} - -/** - * parse_string(): Parse a json string and return a QObject - * - * string - * "" - * " chars " - * chars - * char - * char chars - * char - * any-Unicode-character- - * except-"-or-\-or- - * control-character - * \" - * \\ - * \/ - * \b - * \f - * \n - * \r - * \t - * \u four-hex-digits - */ -static QString *qstring_from_escaped_str(JSONParserContext *ctxt, QObject *token) -{ - const char *ptr = token_get_value(token); - QString *str; - int double_quote = 1; - - if (*ptr == '"') { - double_quote = 1; - } else { - double_quote = 0; - } - ptr++; - - str = qstring_new(); - while (*ptr && - ((double_quote && *ptr != '"') || (!double_quote && *ptr != '\''))) { - if (*ptr == '\\') { - ptr++; - - switch (*ptr) { - case '"': - qstring_append(str, "\""); - ptr++; - break; - case '\'': - qstring_append(str, "'"); - ptr++; - break; - case '\\': - qstring_append(str, "\\"); - ptr++; - break; - case '/': - qstring_append(str, "/"); - ptr++; - break; - case 'b': - qstring_append(str, "\b"); - ptr++; - break; - case 'f': - qstring_append(str, "\f"); - ptr++; - break; - case 'n': - qstring_append(str, "\n"); - ptr++; - break; - case 'r': - qstring_append(str, "\r"); - ptr++; - break; - case 't': - qstring_append(str, "\t"); - ptr++; - break; - case 'u': { - uint16_t unicode_char = 0; - char utf8_char[4]; - int i = 0; - - ptr++; - - for (i = 0; i < 4; i++) { - if (qemu_isxdigit(*ptr)) { - unicode_char |= hex2decimal(*ptr) << ((3 - i) * 4); - } else { - parse_error(ctxt, token, - "invalid hex escape sequence in string"); - goto out; - } - ptr++; - } - - wchar_to_utf8(unicode_char, utf8_char, sizeof(utf8_char)); - qstring_append(str, utf8_char); - } break; - default: - parse_error(ctxt, token, "invalid escape sequence in string"); - goto out; - } - } else { - char dummy[2]; - - dummy[0] = *ptr++; - dummy[1] = 0; - - qstring_append(str, dummy); - } - } - - return str; - -out: - QDECREF(str); - return NULL; -} - -static QObject *parser_context_pop_token(JSONParserContext *ctxt) -{ - QObject *token; - g_assert(ctxt->tokens.pos < ctxt->tokens.count); - token = ctxt->tokens.buf[ctxt->tokens.pos]; - ctxt->tokens.pos++; - return token; -} - -/* Note: parser_context_{peek|pop}_token do not increment the - * token object's refcount. In both cases the references will continue - * to be tracked and cleaned up in parser_context_free(), so do not - * attempt to free the token object. - */ -static QObject *parser_context_peek_token(JSONParserContext *ctxt) -{ - QObject *token; - g_assert(ctxt->tokens.pos < ctxt->tokens.count); - token = ctxt->tokens.buf[ctxt->tokens.pos]; - return token; -} - -static JSONParserContext parser_context_save(JSONParserContext *ctxt) -{ - JSONParserContext saved_ctxt = {0}; - saved_ctxt.tokens.pos = ctxt->tokens.pos; - saved_ctxt.tokens.count = ctxt->tokens.count; - saved_ctxt.tokens.buf = ctxt->tokens.buf; - return saved_ctxt; -} - -static void parser_context_restore(JSONParserContext *ctxt, - JSONParserContext saved_ctxt) -{ - ctxt->tokens.pos = saved_ctxt.tokens.pos; - ctxt->tokens.count = saved_ctxt.tokens.count; - ctxt->tokens.buf = saved_ctxt.tokens.buf; -} - -static void tokens_append_from_iter(QObject *obj, void *opaque) -{ - JSONParserContext *ctxt = opaque; - g_assert(ctxt->tokens.pos < ctxt->tokens.count); - ctxt->tokens.buf[ctxt->tokens.pos++] = obj; - qobject_incref(obj); -} - -static JSONParserContext *parser_context_new(QList *tokens) -{ - JSONParserContext *ctxt; - size_t count; - - if (!tokens) { - return NULL; - } - - count = qlist_size(tokens); - if (count == 0) { - return NULL; - } - - ctxt = g_malloc0(sizeof(JSONParserContext)); - ctxt->tokens.pos = 0; - ctxt->tokens.count = count; - ctxt->tokens.buf = g_malloc(count * sizeof(QObject *)); - qlist_iter(tokens, tokens_append_from_iter, ctxt); - ctxt->tokens.pos = 0; - - return ctxt; -} - -/* to support error propagation, ctxt->err must be freed separately */ -static void parser_context_free(JSONParserContext *ctxt) -{ - int i; - if (ctxt) { - for (i = 0; i < ctxt->tokens.count; i++) { - qobject_decref(ctxt->tokens.buf[i]); - } - g_free(ctxt->tokens.buf); - g_free(ctxt); - } -} - -/** - * Parsing rules - */ -static int parse_pair(JSONParserContext *ctxt, QDict *dict, va_list *ap) -{ - QObject *key = NULL, *token = NULL, *value, *peek; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - peek = parser_context_peek_token(ctxt); - if (peek == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - key = parse_value(ctxt, ap); - if (!key || qobject_type(key) != QTYPE_QSTRING) { - parse_error(ctxt, peek, "key is not a string in object"); - goto out; - } - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - if (!token_is_operator(token, ':')) { - parse_error(ctxt, token, "missing : in object pair"); - goto out; - } - - value = parse_value(ctxt, ap); - if (value == NULL) { - parse_error(ctxt, token, "Missing value in dict"); - goto out; - } - - qdict_put_obj(dict, qstring_get_str(qobject_to_qstring(key)), value); - - qobject_decref(key); - - return 0; - -out: - parser_context_restore(ctxt, saved_ctxt); - qobject_decref(key); - - return -1; -} - -static QObject *parse_object(JSONParserContext *ctxt, va_list *ap) -{ - QDict *dict = NULL; - QObject *token, *peek; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - goto out; - } - - if (!token_is_operator(token, '{')) { - goto out; - } - token = NULL; - - dict = qdict_new(); - - peek = parser_context_peek_token(ctxt); - if (peek == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - if (!token_is_operator(peek, '}')) { - if (parse_pair(ctxt, dict, ap) == -1) { - goto out; - } - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - while (!token_is_operator(token, '}')) { - if (!token_is_operator(token, ',')) { - parse_error(ctxt, token, "expected separator in dict"); - goto out; - } - token = NULL; - - if (parse_pair(ctxt, dict, ap) == -1) { - goto out; - } - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - } - token = NULL; - } else { - token = parser_context_pop_token(ctxt); - token = NULL; - } - - return QOBJECT(dict); - -out: - parser_context_restore(ctxt, saved_ctxt); - QDECREF(dict); - return NULL; -} - -static QObject *parse_array(JSONParserContext *ctxt, va_list *ap) -{ - QList *list = NULL; - QObject *token, *peek; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - goto out; - } - - if (!token_is_operator(token, '[')) { - token = NULL; - goto out; - } - token = NULL; - - list = qlist_new(); - - peek = parser_context_peek_token(ctxt); - if (peek == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - if (!token_is_operator(peek, ']')) { - QObject *obj; - - obj = parse_value(ctxt, ap); - if (obj == NULL) { - parse_error(ctxt, token, "expecting value"); - goto out; - } - - qlist_append_obj(list, obj); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - - while (!token_is_operator(token, ']')) { - if (!token_is_operator(token, ',')) { - parse_error(ctxt, token, "expected separator in list"); - goto out; - } - - token = NULL; - - obj = parse_value(ctxt, ap); - if (obj == NULL) { - parse_error(ctxt, token, "expecting value"); - goto out; - } - - qlist_append_obj(list, obj); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - parse_error(ctxt, NULL, "premature EOI"); - goto out; - } - } - - token = NULL; - } else { - token = parser_context_pop_token(ctxt); - token = NULL; - } - - return QOBJECT(list); - -out: - parser_context_restore(ctxt, saved_ctxt); - QDECREF(list); - return NULL; -} - -static QObject *parse_keyword(JSONParserContext *ctxt) -{ - QObject *token, *ret; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - goto out; - } - - if (token_get_type(token) != JSON_KEYWORD) { - goto out; - } - - if (token_is_keyword(token, "true")) { - ret = QOBJECT(qbool_from_int(true)); - } else if (token_is_keyword(token, "false")) { - ret = QOBJECT(qbool_from_int(false)); - } else { - parse_error(ctxt, token, "invalid keyword `%s'", token_get_value(token)); - goto out; - } - - return ret; - -out: - parser_context_restore(ctxt, saved_ctxt); - - return NULL; -} - -static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap) -{ - QObject *token = NULL, *obj; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - if (ap == NULL) { - goto out; - } - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - goto out; - } - - if (token_is_escape(token, "%p")) { - obj = va_arg(*ap, QObject *); - } else if (token_is_escape(token, "%i")) { - obj = QOBJECT(qbool_from_int(va_arg(*ap, int))); - } else if (token_is_escape(token, "%d")) { - obj = QOBJECT(qint_from_int(va_arg(*ap, int))); - } else if (token_is_escape(token, "%ld")) { - obj = QOBJECT(qint_from_int(va_arg(*ap, long))); - } else if (token_is_escape(token, "%lld") || - token_is_escape(token, "%I64d")) { - obj = QOBJECT(qint_from_int(va_arg(*ap, long long))); - } else if (token_is_escape(token, "%s")) { - obj = QOBJECT(qstring_from_str(va_arg(*ap, const char *))); - } else if (token_is_escape(token, "%f")) { - obj = QOBJECT(qfloat_from_double(va_arg(*ap, double))); - } else { - goto out; - } - - return obj; - -out: - parser_context_restore(ctxt, saved_ctxt); - - return NULL; -} - -static QObject *parse_literal(JSONParserContext *ctxt) -{ - QObject *token, *obj; - JSONParserContext saved_ctxt = parser_context_save(ctxt); - - token = parser_context_pop_token(ctxt); - if (token == NULL) { - goto out; - } - - switch (token_get_type(token)) { - case JSON_STRING: - obj = QOBJECT(qstring_from_escaped_str(ctxt, token)); - break; - case JSON_INTEGER: { - /* A possibility exists that this is a whole-valued float where the - * fractional part was left out due to being 0 (.0). It's not a big - * deal to treat these as ints in the parser, so long as users of the - * resulting QObject know to expect a QInt in place of a QFloat in - * cases like these. - * - * However, in some cases these values will overflow/underflow a - * QInt/int64 container, thus we should assume these are to be handled - * as QFloats/doubles rather than silently changing their values. - * - * strtoll() indicates these instances by setting errno to ERANGE - */ - int64_t value; - - errno = 0; /* strtoll doesn't set errno on success */ - value = strtoll(token_get_value(token), NULL, 10); - if (errno != ERANGE) { - obj = QOBJECT(qint_from_int(value)); - break; - } - /* fall through to JSON_FLOAT */ - } - case JSON_FLOAT: - /* FIXME dependent on locale */ - obj = QOBJECT(qfloat_from_double(strtod(token_get_value(token), NULL))); - break; - default: - goto out; - } - - return obj; - -out: - parser_context_restore(ctxt, saved_ctxt); - - return NULL; -} - -static QObject *parse_value(JSONParserContext *ctxt, va_list *ap) -{ - QObject *obj; - - obj = parse_object(ctxt, ap); - if (obj == NULL) { - obj = parse_array(ctxt, ap); - } - if (obj == NULL) { - obj = parse_escape(ctxt, ap); - } - if (obj == NULL) { - obj = parse_keyword(ctxt); - } - if (obj == NULL) { - obj = parse_literal(ctxt); - } - - return obj; -} - -QObject *json_parser_parse(QList *tokens, va_list *ap) -{ - return json_parser_parse_err(tokens, ap, NULL); -} - -QObject *json_parser_parse_err(QList *tokens, va_list *ap, Error **errp) -{ - JSONParserContext *ctxt = parser_context_new(tokens); - QObject *result; - - if (!ctxt) { - return NULL; - } - - result = parse_value(ctxt, ap); - - error_propagate(errp, ctxt->err); - - parser_context_free(ctxt); - - return result; -} diff --git a/contrib/qemu/qobject/json-streamer.c b/contrib/qemu/qobject/json-streamer.c deleted file mode 100644 index 1b2f9b1d107..00000000000 --- a/contrib/qemu/qobject/json-streamer.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * JSON streaming support - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qdict.h" -#include "qemu-common.h" -#include "qapi/qmp/json-lexer.h" -#include "qapi/qmp/json-streamer.h" - -#define MAX_TOKEN_SIZE (64ULL << 20) -#define MAX_NESTING (1ULL << 10) - -static void json_message_process_token(JSONLexer *lexer, QString *token, JSONTokenType type, int x, int y) -{ - JSONMessageParser *parser = container_of(lexer, JSONMessageParser, lexer); - QDict *dict; - - if (type == JSON_OPERATOR) { - switch (qstring_get_str(token)[0]) { - case '{': - parser->brace_count++; - break; - case '}': - parser->brace_count--; - break; - case '[': - parser->bracket_count++; - break; - case ']': - parser->bracket_count--; - break; - default: - break; - } - } - - dict = qdict_new(); - qdict_put(dict, "type", qint_from_int(type)); - QINCREF(token); - qdict_put(dict, "token", token); - qdict_put(dict, "x", qint_from_int(x)); - qdict_put(dict, "y", qint_from_int(y)); - - parser->token_size += token->length; - - qlist_append(parser->tokens, dict); - - if (type == JSON_ERROR) { - goto out_emit_bad; - } else if (parser->brace_count < 0 || - parser->bracket_count < 0 || - (parser->brace_count == 0 && - parser->bracket_count == 0)) { - goto out_emit; - } else if (parser->token_size > MAX_TOKEN_SIZE || - parser->bracket_count > MAX_NESTING || - parser->brace_count > MAX_NESTING) { - /* Security consideration, we limit total memory allocated per object - * and the maximum recursion depth that a message can force. - */ - goto out_emit; - } - - return; - -out_emit_bad: - /* clear out token list and tell the parser to emit and error - * indication by passing it a NULL list - */ - QDECREF(parser->tokens); - parser->tokens = NULL; -out_emit: - /* send current list of tokens to parser and reset tokenizer */ - parser->brace_count = 0; - parser->bracket_count = 0; - parser->emit(parser, parser->tokens); - if (parser->tokens) { - QDECREF(parser->tokens); - } - parser->tokens = qlist_new(); - parser->token_size = 0; -} - -void json_message_parser_init(JSONMessageParser *parser, - void (*func)(JSONMessageParser *, QList *)) -{ - parser->emit = func; - parser->brace_count = 0; - parser->bracket_count = 0; - parser->tokens = qlist_new(); - parser->token_size = 0; - - json_lexer_init(&parser->lexer, json_message_process_token); -} - -int json_message_parser_feed(JSONMessageParser *parser, - const char *buffer, size_t size) -{ - return json_lexer_feed(&parser->lexer, buffer, size); -} - -int json_message_parser_flush(JSONMessageParser *parser) -{ - return json_lexer_flush(&parser->lexer); -} - -void json_message_parser_destroy(JSONMessageParser *parser) -{ - json_lexer_destroy(&parser->lexer); - QDECREF(parser->tokens); -} diff --git a/contrib/qemu/qobject/qbool.c b/contrib/qemu/qobject/qbool.c deleted file mode 100644 index a3d2afa827f..00000000000 --- a/contrib/qemu/qobject/qbool.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * QBool Module - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/qobject.h" -#include "qemu-common.h" - -static void qbool_destroy_obj(QObject *obj); - -static const QType qbool_type = { - .code = QTYPE_QBOOL, - .destroy = qbool_destroy_obj, -}; - -/** - * qbool_from_int(): Create a new QBool from an int - * - * Return strong reference. - */ -QBool *qbool_from_int(int value) -{ - QBool *qb; - - qb = g_malloc(sizeof(*qb)); - qb->value = value; - QOBJECT_INIT(qb, &qbool_type); - - return qb; -} - -/** - * qbool_get_int(): Get the stored int - */ -int qbool_get_int(const QBool *qb) -{ - return qb->value; -} - -/** - * qobject_to_qbool(): Convert a QObject into a QBool - */ -QBool *qobject_to_qbool(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QBOOL) - return NULL; - - return container_of(obj, QBool, base); -} - -/** - * qbool_destroy_obj(): Free all memory allocated by a - * QBool object - */ -static void qbool_destroy_obj(QObject *obj) -{ - assert(obj != NULL); - g_free(qobject_to_qbool(obj)); -} diff --git a/contrib/qemu/qobject/qdict.c b/contrib/qemu/qobject/qdict.c deleted file mode 100644 index ed381f9a507..00000000000 --- a/contrib/qemu/qobject/qdict.c +++ /dev/null @@ -1,478 +0,0 @@ -/* - * QDict Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qdict.h" -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/qstring.h" -#include "qapi/qmp/qobject.h" -#include "qemu/queue.h" -#include "qemu-common.h" - -static void qdict_destroy_obj(QObject *obj); - -static const QType qdict_type = { - .code = QTYPE_QDICT, - .destroy = qdict_destroy_obj, -}; - -/** - * qdict_new(): Create a new QDict - * - * Return strong reference. - */ -QDict *qdict_new(void) -{ - QDict *qdict; - - qdict = g_malloc0(sizeof(*qdict)); - QOBJECT_INIT(qdict, &qdict_type); - - return qdict; -} - -/** - * qobject_to_qdict(): Convert a QObject into a QDict - */ -QDict *qobject_to_qdict(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QDICT) - return NULL; - - return container_of(obj, QDict, base); -} - -/** - * tdb_hash(): based on the hash agorithm from gdbm, via tdb - * (from module-init-tools) - */ -static unsigned int tdb_hash(const char *name) -{ - unsigned value; /* Used to compute the hash value. */ - unsigned i; /* Used to cycle through random values. */ - - /* Set the initial value from the key size. */ - for (value = 0x238F13AF * strlen(name), i=0; name[i]; i++) - value = (value + (((const unsigned char *)name)[i] << (i*5 % 24))); - - return (1103515243 * value + 12345); -} - -/** - * alloc_entry(): allocate a new QDictEntry - */ -static QDictEntry *alloc_entry(const char *key, QObject *value) -{ - QDictEntry *entry; - - entry = g_malloc0(sizeof(*entry)); - entry->key = g_strdup(key); - entry->value = value; - - return entry; -} - -/** - * qdict_entry_value(): Return qdict entry value - * - * Return weak reference. - */ -QObject *qdict_entry_value(const QDictEntry *entry) -{ - return entry->value; -} - -/** - * qdict_entry_key(): Return qdict entry key - * - * Return a *pointer* to the string, it has to be duplicated before being - * stored. - */ -const char *qdict_entry_key(const QDictEntry *entry) -{ - return entry->key; -} - -/** - * qdict_find(): List lookup function - */ -static QDictEntry *qdict_find(const QDict *qdict, - const char *key, unsigned int bucket) -{ - QDictEntry *entry; - - QLIST_FOREACH(entry, &qdict->table[bucket], next) - if (!strcmp(entry->key, key)) - return entry; - - return NULL; -} - -/** - * qdict_put_obj(): Put a new QObject into the dictionary - * - * Insert the pair 'key:value' into 'qdict', if 'key' already exists - * its 'value' will be replaced. - * - * This is done by freeing the reference to the stored QObject and - * storing the new one in the same entry. - * - * NOTE: ownership of 'value' is transferred to the QDict - */ -void qdict_put_obj(QDict *qdict, const char *key, QObject *value) -{ - unsigned int bucket; - QDictEntry *entry; - - bucket = tdb_hash(key) % QDICT_BUCKET_MAX; - entry = qdict_find(qdict, key, bucket); - if (entry) { - /* replace key's value */ - qobject_decref(entry->value); - entry->value = value; - } else { - /* allocate a new entry */ - entry = alloc_entry(key, value); - QLIST_INSERT_HEAD(&qdict->table[bucket], entry, next); - qdict->size++; - } -} - -/** - * qdict_get(): Lookup for a given 'key' - * - * Return a weak reference to the QObject associated with 'key' if - * 'key' is present in the dictionary, NULL otherwise. - */ -QObject *qdict_get(const QDict *qdict, const char *key) -{ - QDictEntry *entry; - - entry = qdict_find(qdict, key, tdb_hash(key) % QDICT_BUCKET_MAX); - return (entry == NULL ? NULL : entry->value); -} - -/** - * qdict_haskey(): Check if 'key' exists - * - * Return 1 if 'key' exists in the dict, 0 otherwise - */ -int qdict_haskey(const QDict *qdict, const char *key) -{ - unsigned int bucket = tdb_hash(key) % QDICT_BUCKET_MAX; - return (qdict_find(qdict, key, bucket) == NULL ? 0 : 1); -} - -/** - * qdict_size(): Return the size of the dictionary - */ -size_t qdict_size(const QDict *qdict) -{ - return qdict->size; -} - -/** - * qdict_get_obj(): Get a QObject of a specific type - */ -static QObject *qdict_get_obj(const QDict *qdict, const char *key, - qtype_code type) -{ - QObject *obj; - - obj = qdict_get(qdict, key); - assert(obj != NULL); - assert(qobject_type(obj) == type); - - return obj; -} - -/** - * qdict_get_double(): Get an number mapped by 'key' - * - * This function assumes that 'key' exists and it stores a - * QFloat or QInt object. - * - * Return number mapped by 'key'. - */ -double qdict_get_double(const QDict *qdict, const char *key) -{ - QObject *obj = qdict_get(qdict, key); - - assert(obj); - switch (qobject_type(obj)) { - case QTYPE_QFLOAT: - return qfloat_get_double(qobject_to_qfloat(obj)); - case QTYPE_QINT: - return qint_get_int(qobject_to_qint(obj)); - default: - abort(); - } -} - -/** - * qdict_get_int(): Get an integer mapped by 'key' - * - * This function assumes that 'key' exists and it stores a - * QInt object. - * - * Return integer mapped by 'key'. - */ -int64_t qdict_get_int(const QDict *qdict, const char *key) -{ - QObject *obj = qdict_get_obj(qdict, key, QTYPE_QINT); - return qint_get_int(qobject_to_qint(obj)); -} - -/** - * qdict_get_bool(): Get a bool mapped by 'key' - * - * This function assumes that 'key' exists and it stores a - * QBool object. - * - * Return bool mapped by 'key'. - */ -int qdict_get_bool(const QDict *qdict, const char *key) -{ - QObject *obj = qdict_get_obj(qdict, key, QTYPE_QBOOL); - return qbool_get_int(qobject_to_qbool(obj)); -} - -/** - * qdict_get_qlist(): Get the QList mapped by 'key' - * - * This function assumes that 'key' exists and it stores a - * QList object. - * - * Return QList mapped by 'key'. - */ -QList *qdict_get_qlist(const QDict *qdict, const char *key) -{ - return qobject_to_qlist(qdict_get_obj(qdict, key, QTYPE_QLIST)); -} - -/** - * qdict_get_qdict(): Get the QDict mapped by 'key' - * - * This function assumes that 'key' exists and it stores a - * QDict object. - * - * Return QDict mapped by 'key'. - */ -QDict *qdict_get_qdict(const QDict *qdict, const char *key) -{ - return qobject_to_qdict(qdict_get_obj(qdict, key, QTYPE_QDICT)); -} - -/** - * qdict_get_str(): Get a pointer to the stored string mapped - * by 'key' - * - * This function assumes that 'key' exists and it stores a - * QString object. - * - * Return pointer to the string mapped by 'key'. - */ -const char *qdict_get_str(const QDict *qdict, const char *key) -{ - QObject *obj = qdict_get_obj(qdict, key, QTYPE_QSTRING); - return qstring_get_str(qobject_to_qstring(obj)); -} - -/** - * qdict_get_try_int(): Try to get integer mapped by 'key' - * - * Return integer mapped by 'key', if it is not present in - * the dictionary or if the stored object is not of QInt type - * 'def_value' will be returned. - */ -int64_t qdict_get_try_int(const QDict *qdict, const char *key, - int64_t def_value) -{ - QObject *obj; - - obj = qdict_get(qdict, key); - if (!obj || qobject_type(obj) != QTYPE_QINT) - return def_value; - - return qint_get_int(qobject_to_qint(obj)); -} - -/** - * qdict_get_try_bool(): Try to get a bool mapped by 'key' - * - * Return bool mapped by 'key', if it is not present in the - * dictionary or if the stored object is not of QBool type - * 'def_value' will be returned. - */ -int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value) -{ - QObject *obj; - - obj = qdict_get(qdict, key); - if (!obj || qobject_type(obj) != QTYPE_QBOOL) - return def_value; - - return qbool_get_int(qobject_to_qbool(obj)); -} - -/** - * qdict_get_try_str(): Try to get a pointer to the stored string - * mapped by 'key' - * - * Return a pointer to the string mapped by 'key', if it is not present - * in the dictionary or if the stored object is not of QString type - * NULL will be returned. - */ -const char *qdict_get_try_str(const QDict *qdict, const char *key) -{ - QObject *obj; - - obj = qdict_get(qdict, key); - if (!obj || qobject_type(obj) != QTYPE_QSTRING) - return NULL; - - return qstring_get_str(qobject_to_qstring(obj)); -} - -/** - * qdict_iter(): Iterate over all the dictionary's stored values. - * - * This function allows the user to provide an iterator, which will be - * called for each stored value in the dictionary. - */ -void qdict_iter(const QDict *qdict, - void (*iter)(const char *key, QObject *obj, void *opaque), - void *opaque) -{ - int i; - QDictEntry *entry; - - for (i = 0; i < QDICT_BUCKET_MAX; i++) { - QLIST_FOREACH(entry, &qdict->table[i], next) - iter(entry->key, entry->value, opaque); - } -} - -static QDictEntry *qdict_next_entry(const QDict *qdict, int first_bucket) -{ - int i; - - for (i = first_bucket; i < QDICT_BUCKET_MAX; i++) { - if (!QLIST_EMPTY(&qdict->table[i])) { - return QLIST_FIRST(&qdict->table[i]); - } - } - - return NULL; -} - -/** - * qdict_first(): Return first qdict entry for iteration. - */ -const QDictEntry *qdict_first(const QDict *qdict) -{ - return qdict_next_entry(qdict, 0); -} - -/** - * qdict_next(): Return next qdict entry in an iteration. - */ -const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry) -{ - QDictEntry *ret; - - ret = QLIST_NEXT(entry, next); - if (!ret) { - unsigned int bucket = tdb_hash(entry->key) % QDICT_BUCKET_MAX; - ret = qdict_next_entry(qdict, bucket + 1); - } - - return ret; -} - -/** - * qdict_clone_shallow(): Clones a given QDict. Its entries are not copied, but - * another reference is added. - */ -QDict *qdict_clone_shallow(const QDict *src) -{ - QDict *dest; - QDictEntry *entry; - int i; - - dest = qdict_new(); - - for (i = 0; i < QDICT_BUCKET_MAX; i++) { - QLIST_FOREACH(entry, &src->table[i], next) { - qobject_incref(entry->value); - qdict_put_obj(dest, entry->key, entry->value); - } - } - - return dest; -} - -/** - * qentry_destroy(): Free all the memory allocated by a QDictEntry - */ -static void qentry_destroy(QDictEntry *e) -{ - assert(e != NULL); - assert(e->key != NULL); - assert(e->value != NULL); - - qobject_decref(e->value); - g_free(e->key); - g_free(e); -} - -/** - * qdict_del(): Delete a 'key:value' pair from the dictionary - * - * This will destroy all data allocated by this entry. - */ -void qdict_del(QDict *qdict, const char *key) -{ - QDictEntry *entry; - - entry = qdict_find(qdict, key, tdb_hash(key) % QDICT_BUCKET_MAX); - if (entry) { - QLIST_REMOVE(entry, next); - qentry_destroy(entry); - qdict->size--; - } -} - -/** - * qdict_destroy_obj(): Free all the memory allocated by a QDict - */ -static void qdict_destroy_obj(QObject *obj) -{ - int i; - QDict *qdict; - - assert(obj != NULL); - qdict = qobject_to_qdict(obj); - - for (i = 0; i < QDICT_BUCKET_MAX; i++) { - QDictEntry *entry = QLIST_FIRST(&qdict->table[i]); - while (entry) { - QDictEntry *tmp = QLIST_NEXT(entry, next); - QLIST_REMOVE(entry, next); - qentry_destroy(entry); - entry = tmp; - } - } - - g_free(qdict); -} diff --git a/contrib/qemu/qobject/qerror.c b/contrib/qemu/qobject/qerror.c deleted file mode 100644 index 3aee1cf6a69..00000000000 --- a/contrib/qemu/qobject/qerror.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * QError Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "monitor/monitor.h" -#include "qapi/qmp/qjson.h" -#include "qapi/qmp/qerror.h" -#include "qemu-common.h" - -static void qerror_destroy_obj(QObject *obj); - -static const QType qerror_type = { - .code = QTYPE_QERROR, - .destroy = qerror_destroy_obj, -}; - -/** - * qerror_new(): Create a new QError - * - * Return strong reference. - */ -static QError *qerror_new(void) -{ - QError *qerr; - - qerr = g_malloc0(sizeof(*qerr)); - QOBJECT_INIT(qerr, &qerror_type); - - return qerr; -} - -/** - * qerror_from_info(): Create a new QError from error information - * - * Return strong reference. - */ -static QError *qerror_from_info(ErrorClass err_class, const char *fmt, - va_list *va) -{ - QError *qerr; - - qerr = qerror_new(); - loc_save(&qerr->loc); - - qerr->err_msg = g_strdup_vprintf(fmt, *va); - qerr->err_class = err_class; - - return qerr; -} - -/** - * qerror_human(): Format QError data into human-readable string. - */ -QString *qerror_human(const QError *qerror) -{ - return qstring_from_str(qerror->err_msg); -} - -/** - * qerror_print(): Print QError data - * - * This function will print the member 'desc' of the specified QError object, - * it uses error_report() for this, so that the output is routed to the right - * place (ie. stderr or Monitor's device). - */ -static void qerror_print(QError *qerror) -{ - QString *qstring = qerror_human(qerror); - loc_push_restore(&qerror->loc); - error_report("%s", qstring_get_str(qstring)); - loc_pop(&qerror->loc); - QDECREF(qstring); -} - -void qerror_report(ErrorClass eclass, const char *fmt, ...) -{ - va_list va; - QError *qerror; - - va_start(va, fmt); - qerror = qerror_from_info(eclass, fmt, &va); - va_end(va); - - if (monitor_cur_is_qmp()) { - monitor_set_error(cur_mon, qerror); - } else { - qerror_print(qerror); - QDECREF(qerror); - } -} - -/* Evil... */ -struct Error -{ - char *msg; - ErrorClass err_class; -}; - -void qerror_report_err(Error *err) -{ - QError *qerr; - - qerr = qerror_new(); - loc_save(&qerr->loc); - qerr->err_msg = g_strdup(err->msg); - qerr->err_class = err->err_class; - - if (monitor_cur_is_qmp()) { - monitor_set_error(cur_mon, qerr); - } else { - qerror_print(qerr); - QDECREF(qerr); - } -} - -void assert_no_error(Error *err) -{ - if (err) { - qerror_report_err(err); - abort(); - } -} - -/** - * qobject_to_qerror(): Convert a QObject into a QError - */ -static QError *qobject_to_qerror(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QERROR) { - return NULL; - } - - return container_of(obj, QError, base); -} - -/** - * qerror_destroy_obj(): Free all memory allocated by a QError - */ -static void qerror_destroy_obj(QObject *obj) -{ - QError *qerr; - - assert(obj != NULL); - qerr = qobject_to_qerror(obj); - - g_free(qerr->err_msg); - g_free(qerr); -} diff --git a/contrib/qemu/qobject/qfloat.c b/contrib/qemu/qobject/qfloat.c deleted file mode 100644 index 7de0992dba7..00000000000 --- a/contrib/qemu/qobject/qfloat.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * QFloat Module - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qobject.h" -#include "qemu-common.h" - -static void qfloat_destroy_obj(QObject *obj); - -static const QType qfloat_type = { - .code = QTYPE_QFLOAT, - .destroy = qfloat_destroy_obj, -}; - -/** - * qfloat_from_int(): Create a new QFloat from a float - * - * Return strong reference. - */ -QFloat *qfloat_from_double(double value) -{ - QFloat *qf; - - qf = g_malloc(sizeof(*qf)); - qf->value = value; - QOBJECT_INIT(qf, &qfloat_type); - - return qf; -} - -/** - * qfloat_get_double(): Get the stored float - */ -double qfloat_get_double(const QFloat *qf) -{ - return qf->value; -} - -/** - * qobject_to_qfloat(): Convert a QObject into a QFloat - */ -QFloat *qobject_to_qfloat(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QFLOAT) - return NULL; - - return container_of(obj, QFloat, base); -} - -/** - * qfloat_destroy_obj(): Free all memory allocated by a - * QFloat object - */ -static void qfloat_destroy_obj(QObject *obj) -{ - assert(obj != NULL); - g_free(qobject_to_qfloat(obj)); -} diff --git a/contrib/qemu/qobject/qint.c b/contrib/qemu/qobject/qint.c deleted file mode 100644 index 86b9b04f0b6..00000000000 --- a/contrib/qemu/qobject/qint.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * QInt Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qobject.h" -#include "qemu-common.h" - -static void qint_destroy_obj(QObject *obj); - -static const QType qint_type = { - .code = QTYPE_QINT, - .destroy = qint_destroy_obj, -}; - -/** - * qint_from_int(): Create a new QInt from an int64_t - * - * Return strong reference. - */ -QInt *qint_from_int(int64_t value) -{ - QInt *qi; - - qi = g_malloc(sizeof(*qi)); - qi->value = value; - QOBJECT_INIT(qi, &qint_type); - - return qi; -} - -/** - * qint_get_int(): Get the stored integer - */ -int64_t qint_get_int(const QInt *qi) -{ - return qi->value; -} - -/** - * qobject_to_qint(): Convert a QObject into a QInt - */ -QInt *qobject_to_qint(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QINT) - return NULL; - - return container_of(obj, QInt, base); -} - -/** - * qint_destroy_obj(): Free all memory allocated by a - * QInt object - */ -static void qint_destroy_obj(QObject *obj) -{ - assert(obj != NULL); - g_free(qobject_to_qint(obj)); -} diff --git a/contrib/qemu/qobject/qjson.c b/contrib/qemu/qobject/qjson.c deleted file mode 100644 index 19085a1bb7f..00000000000 --- a/contrib/qemu/qobject/qjson.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * QObject JSON integration - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ - -#include "qapi/qmp/json-lexer.h" -#include "qapi/qmp/json-parser.h" -#include "qapi/qmp/json-streamer.h" -#include "qapi/qmp/qjson.h" -#include "qapi/qmp/qint.h" -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qbool.h" -#include "qapi/qmp/qfloat.h" -#include "qapi/qmp/qdict.h" - -typedef struct JSONParsingState -{ - JSONMessageParser parser; - va_list *ap; - QObject *result; -} JSONParsingState; - -static void parse_json(JSONMessageParser *parser, QList *tokens) -{ - JSONParsingState *s = container_of(parser, JSONParsingState, parser); - s->result = json_parser_parse(tokens, s->ap); -} - -QObject *qobject_from_jsonv(const char *string, va_list *ap) -{ - JSONParsingState state = {}; - - state.ap = ap; - - json_message_parser_init(&state.parser, parse_json); - json_message_parser_feed(&state.parser, string, strlen(string)); - json_message_parser_flush(&state.parser); - json_message_parser_destroy(&state.parser); - - return state.result; -} - -QObject *qobject_from_json(const char *string) -{ - return qobject_from_jsonv(string, NULL); -} - -/* - * IMPORTANT: This function aborts on error, thus it must not - * be used with untrusted arguments. - */ -QObject *qobject_from_jsonf(const char *string, ...) -{ - QObject *obj; - va_list ap; - - va_start(ap, string); - obj = qobject_from_jsonv(string, &ap); - va_end(ap); - - assert(obj != NULL); - return obj; -} - -typedef struct ToJsonIterState -{ - int indent; - int pretty; - int count; - QString *str; -} ToJsonIterState; - -static void to_json(const QObject *obj, QString *str, int pretty, int indent); - -static void to_json_dict_iter(const char *key, QObject *obj, void *opaque) -{ - ToJsonIterState *s = opaque; - QString *qkey; - int j; - - if (s->count) - qstring_append(s->str, ", "); - - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } - - qkey = qstring_from_str(key); - to_json(QOBJECT(qkey), s->str, s->pretty, s->indent); - QDECREF(qkey); - - qstring_append(s->str, ": "); - to_json(obj, s->str, s->pretty, s->indent); - s->count++; -} - -static void to_json_list_iter(QObject *obj, void *opaque) -{ - ToJsonIterState *s = opaque; - int j; - - if (s->count) - qstring_append(s->str, ", "); - - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } - - to_json(obj, s->str, s->pretty, s->indent); - s->count++; -} - -static void to_json(const QObject *obj, QString *str, int pretty, int indent) -{ - switch (qobject_type(obj)) { - case QTYPE_QINT: { - QInt *val = qobject_to_qint(obj); - char buffer[1024]; - - snprintf(buffer, sizeof(buffer), "%" PRId64, qint_get_int(val)); - qstring_append(str, buffer); - break; - } - case QTYPE_QSTRING: { - QString *val = qobject_to_qstring(obj); - const char *ptr; - int cp; - char buf[16]; - char *end; - - ptr = qstring_get_str(val); - qstring_append(str, "\""); - - for (; *ptr; ptr = end) { - cp = mod_utf8_codepoint(ptr, 6, &end); - switch (cp) { - case '\"': - qstring_append(str, "\\\""); - break; - case '\\': - qstring_append(str, "\\\\"); - break; - case '\b': - qstring_append(str, "\\b"); - break; - case '\f': - qstring_append(str, "\\f"); - break; - case '\n': - qstring_append(str, "\\n"); - break; - case '\r': - qstring_append(str, "\\r"); - break; - case '\t': - qstring_append(str, "\\t"); - break; - default: - if (cp < 0) { - cp = 0xFFFD; /* replacement character */ - } - if (cp > 0xFFFF) { - /* beyond BMP; need a surrogate pair */ - snprintf(buf, sizeof(buf), "\\u%04X\\u%04X", - 0xD800 + ((cp - 0x10000) >> 10), - 0xDC00 + ((cp - 0x10000) & 0x3FF)); - } else if (cp < 0x20 || cp >= 0x7F) { - snprintf(buf, sizeof(buf), "\\u%04X", cp); - } else { - buf[0] = cp; - buf[1] = 0; - } - qstring_append(str, buf); - } - }; - - qstring_append(str, "\""); - break; - } - case QTYPE_QDICT: { - ToJsonIterState s; - QDict *val = qobject_to_qdict(obj); - - s.count = 0; - s.str = str; - s.indent = indent + 1; - s.pretty = pretty; - qstring_append(str, "{"); - qdict_iter(val, to_json_dict_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } - qstring_append(str, "}"); - break; - } - case QTYPE_QLIST: { - ToJsonIterState s; - QList *val = qobject_to_qlist(obj); - - s.count = 0; - s.str = str; - s.indent = indent + 1; - s.pretty = pretty; - qstring_append(str, "["); - qlist_iter(val, (void *)to_json_list_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } - qstring_append(str, "]"); - break; - } - case QTYPE_QFLOAT: { - QFloat *val = qobject_to_qfloat(obj); - char buffer[1024]; - int len; - - len = snprintf(buffer, sizeof(buffer), "%f", qfloat_get_double(val)); - while (len > 0 && buffer[len - 1] == '0') { - len--; - } - - if (len && buffer[len - 1] == '.') { - buffer[len - 1] = 0; - } else { - buffer[len] = 0; - } - - qstring_append(str, buffer); - break; - } - case QTYPE_QBOOL: { - QBool *val = qobject_to_qbool(obj); - - if (qbool_get_int(val)) { - qstring_append(str, "true"); - } else { - qstring_append(str, "false"); - } - break; - } - case QTYPE_QERROR: - /* XXX: should QError be emitted? */ - case QTYPE_NONE: - break; - } -} - -QString *qobject_to_json(const QObject *obj) -{ - QString *str = qstring_new(); - - to_json(obj, str, 0, 0); - - return str; -} - -QString *qobject_to_json_pretty(const QObject *obj) -{ - QString *str = qstring_new(); - - to_json(obj, str, 1, 0); - - return str; -} diff --git a/contrib/qemu/qobject/qlist.c b/contrib/qemu/qobject/qlist.c deleted file mode 100644 index 1ced0de58e2..00000000000 --- a/contrib/qemu/qobject/qlist.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * QList Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "qapi/qmp/qlist.h" -#include "qapi/qmp/qobject.h" -#include "qemu/queue.h" -#include "qemu-common.h" - -static void qlist_destroy_obj(QObject *obj); - -static const QType qlist_type = { - .code = QTYPE_QLIST, - .destroy = qlist_destroy_obj, -}; - -/** - * qlist_new(): Create a new QList - * - * Return strong reference. - */ -QList *qlist_new(void) -{ - QList *qlist; - - qlist = g_malloc(sizeof(*qlist)); - QTAILQ_INIT(&qlist->head); - QOBJECT_INIT(qlist, &qlist_type); - - return qlist; -} - -static void qlist_copy_elem(QObject *obj, void *opaque) -{ - QList *dst = opaque; - - qobject_incref(obj); - qlist_append_obj(dst, obj); -} - -QList *qlist_copy(QList *src) -{ - QList *dst = qlist_new(); - - qlist_iter(src, qlist_copy_elem, dst); - - return dst; -} - -/** - * qlist_append_obj(): Append an QObject into QList - * - * NOTE: ownership of 'value' is transferred to the QList - */ -void qlist_append_obj(QList *qlist, QObject *value) -{ - QListEntry *entry; - - entry = g_malloc(sizeof(*entry)); - entry->value = value; - - QTAILQ_INSERT_TAIL(&qlist->head, entry, next); -} - -/** - * qlist_iter(): Iterate over all the list's stored values. - * - * This function allows the user to provide an iterator, which will be - * called for each stored value in the list. - */ -void qlist_iter(const QList *qlist, - void (*iter)(QObject *obj, void *opaque), void *opaque) -{ - QListEntry *entry; - - QTAILQ_FOREACH(entry, &qlist->head, next) - iter(entry->value, opaque); -} - -QObject *qlist_pop(QList *qlist) -{ - QListEntry *entry; - QObject *ret; - - if (qlist == NULL || QTAILQ_EMPTY(&qlist->head)) { - return NULL; - } - - entry = QTAILQ_FIRST(&qlist->head); - QTAILQ_REMOVE(&qlist->head, entry, next); - - ret = entry->value; - g_free(entry); - - return ret; -} - -QObject *qlist_peek(QList *qlist) -{ - QListEntry *entry; - QObject *ret; - - if (qlist == NULL || QTAILQ_EMPTY(&qlist->head)) { - return NULL; - } - - entry = QTAILQ_FIRST(&qlist->head); - - ret = entry->value; - - return ret; -} - -int qlist_empty(const QList *qlist) -{ - return QTAILQ_EMPTY(&qlist->head); -} - -static void qlist_size_iter(QObject *obj, void *opaque) -{ - size_t *count = opaque; - (*count)++; -} - -size_t qlist_size(const QList *qlist) -{ - size_t count = 0; - qlist_iter(qlist, qlist_size_iter, &count); - return count; -} - -/** - * qobject_to_qlist(): Convert a QObject into a QList - */ -QList *qobject_to_qlist(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QLIST) { - return NULL; - } - - return container_of(obj, QList, base); -} - -/** - * qlist_destroy_obj(): Free all the memory allocated by a QList - */ -static void qlist_destroy_obj(QObject *obj) -{ - QList *qlist; - QListEntry *entry, *next_entry; - - assert(obj != NULL); - qlist = qobject_to_qlist(obj); - - QTAILQ_FOREACH_SAFE(entry, &qlist->head, next, next_entry) { - QTAILQ_REMOVE(&qlist->head, entry, next); - qobject_decref(entry->value); - g_free(entry); - } - - g_free(qlist); -} diff --git a/contrib/qemu/qobject/qstring.c b/contrib/qemu/qobject/qstring.c deleted file mode 100644 index 607b7a142c6..00000000000 --- a/contrib/qemu/qobject/qstring.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * QString Module - * - * Copyright (C) 2009 Red Hat Inc. - * - * Authors: - * Luiz Capitulino <lcapitulino@redhat.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - */ - -#include "qapi/qmp/qobject.h" -#include "qapi/qmp/qstring.h" -#include "qemu-common.h" - -static void qstring_destroy_obj(QObject *obj); - -static const QType qstring_type = { - .code = QTYPE_QSTRING, - .destroy = qstring_destroy_obj, -}; - -/** - * qstring_new(): Create a new empty QString - * - * Return strong reference. - */ -QString *qstring_new(void) -{ - return qstring_from_str(""); -} - -/** - * qstring_get_length(): Get the length of a QString - */ -size_t qstring_get_length(const QString *qstring) -{ - return qstring->length; -} - -/** - * qstring_from_substr(): Create a new QString from a C string substring - * - * Return string reference - */ -QString *qstring_from_substr(const char *str, int start, int end) -{ - QString *qstring; - - qstring = g_malloc(sizeof(*qstring)); - - qstring->length = end - start + 1; - qstring->capacity = qstring->length; - - qstring->string = g_malloc(qstring->capacity + 1); - memcpy(qstring->string, str + start, qstring->length); - qstring->string[qstring->length] = 0; - - QOBJECT_INIT(qstring, &qstring_type); - - return qstring; -} - -/** - * qstring_from_str(): Create a new QString from a regular C string - * - * Return strong reference. - */ -QString *qstring_from_str(const char *str) -{ - return qstring_from_substr(str, 0, strlen(str) - 1); -} - -static void capacity_increase(QString *qstring, size_t len) -{ - if (qstring->capacity < (qstring->length + len)) { - qstring->capacity += len; - qstring->capacity *= 2; /* use exponential growth */ - - qstring->string = g_realloc(qstring->string, qstring->capacity + 1); - } -} - -/* qstring_append(): Append a C string to a QString - */ -void qstring_append(QString *qstring, const char *str) -{ - size_t len = strlen(str); - - capacity_increase(qstring, len); - memcpy(qstring->string + qstring->length, str, len); - qstring->length += len; - qstring->string[qstring->length] = 0; -} - -void qstring_append_int(QString *qstring, int64_t value) -{ - char num[32]; - - snprintf(num, sizeof(num), "%" PRId64, value); - qstring_append(qstring, num); -} - -/** - * qstring_append_chr(): Append a C char to a QString - */ -void qstring_append_chr(QString *qstring, int c) -{ - capacity_increase(qstring, 1); - qstring->string[qstring->length++] = c; - qstring->string[qstring->length] = 0; -} - -/** - * qobject_to_qstring(): Convert a QObject to a QString - */ -QString *qobject_to_qstring(const QObject *obj) -{ - if (qobject_type(obj) != QTYPE_QSTRING) - return NULL; - - return container_of(obj, QString, base); -} - -/** - * qstring_get_str(): Return a pointer to the stored string - * - * NOTE: Should be used with caution, if the object is deallocated - * this pointer becomes invalid. - */ -const char *qstring_get_str(const QString *qstring) -{ - return qstring->string; -} - -/** - * qstring_destroy_obj(): Free all memory allocated by a QString - * object - */ -static void qstring_destroy_obj(QObject *obj) -{ - QString *qs; - - assert(obj != NULL); - qs = qobject_to_qstring(obj); - g_free(qs->string); - g_free(qs); -} diff --git a/contrib/qemu/trace/generated-tracers.h b/contrib/qemu/trace/generated-tracers.h deleted file mode 100644 index b512660f358..00000000000 --- a/contrib/qemu/trace/generated-tracers.h +++ /dev/null @@ -1,3759 +0,0 @@ -/* This file is autogenerated by tracetool, do not edit. */ - -#ifndef TRACE__GENERATED_TRACERS_H -#define TRACE__GENERATED_TRACERS_H - -#include "qemu-common.h" - -static inline void trace_qxl_interface_set_mm_time(int qid, uint32_t mm_time) -{ -} - -static inline void trace_qxl_io_write_vga(int qid, const char * mode, uint32_t addr, uint32_t val) -{ -} - -static inline void trace_g_malloc(size_t size, void * ptr) -{ -} - -static inline void trace_g_realloc(void * ptr, size_t size, void * newptr) -{ -} - -static inline void trace_g_free(void * ptr) -{ -} - -static inline void trace_qemu_memalign(size_t alignment, size_t size, void * ptr) -{ -} - -static inline void trace_qemu_anon_ram_alloc(size_t size, void * ptr) -{ -} - -static inline void trace_qemu_vfree(void * ptr) -{ -} - -static inline void trace_qemu_anon_ram_free(void * ptr, size_t size) -{ -} - -static inline void trace_virtqueue_fill(void * vq, const void * elem, unsigned int len, unsigned int idx) -{ -} - -static inline void trace_virtqueue_flush(void * vq, unsigned int count) -{ -} - -static inline void trace_virtqueue_pop(void * vq, void * elem, unsigned int in_num, unsigned int out_num) -{ -} - -static inline void trace_virtio_queue_notify(void * vdev, int n, void * vq) -{ -} - -static inline void trace_virtio_irq(void * vq) -{ -} - -static inline void trace_virtio_notify(void * vdev, void * vq) -{ -} - -static inline void trace_virtio_set_status(void * vdev, uint8_t val) -{ -} - -static inline void trace_virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) -{ -} - -static inline void trace_virtio_serial_throttle_port(unsigned int port, bool throttle) -{ -} - -static inline void trace_virtio_serial_handle_control_message(uint16_t event, uint16_t value) -{ -} - -static inline void trace_virtio_serial_handle_control_message_port(unsigned int port) -{ -} - -static inline void trace_virtio_console_flush_buf(unsigned int port, size_t len, ssize_t ret) -{ -} - -static inline void trace_virtio_console_chr_read(unsigned int port, int size) -{ -} - -static inline void trace_virtio_console_chr_event(unsigned int port, int event) -{ -} - -static inline void trace_bdrv_open_common(void * bs, const char * filename, int flags, const char * format_name) -{ -} - -static inline void trace_multiwrite_cb(void * mcb, int ret) -{ -} - -static inline void trace_bdrv_aio_multiwrite(void * mcb, int num_callbacks, int num_reqs) -{ -} - -static inline void trace_bdrv_aio_discard(void * bs, int64_t sector_num, int nb_sectors, void * opaque) -{ -} - -static inline void trace_bdrv_aio_flush(void * bs, void * opaque) -{ -} - -static inline void trace_bdrv_aio_readv(void * bs, int64_t sector_num, int nb_sectors, void * opaque) -{ -} - -static inline void trace_bdrv_aio_writev(void * bs, int64_t sector_num, int nb_sectors, void * opaque) -{ -} - -static inline void trace_bdrv_lock_medium(void * bs, bool locked) -{ -} - -static inline void trace_bdrv_co_readv(void * bs, int64_t sector_num, int nb_sector) -{ -} - -static inline void trace_bdrv_co_copy_on_readv(void * bs, int64_t sector_num, int nb_sector) -{ -} - -static inline void trace_bdrv_co_writev(void * bs, int64_t sector_num, int nb_sector) -{ -} - -static inline void trace_bdrv_co_write_zeroes(void * bs, int64_t sector_num, int nb_sector) -{ -} - -static inline void trace_bdrv_co_io_em(void * bs, int64_t sector_num, int nb_sectors, int is_write, void * acb) -{ -} - -static inline void trace_bdrv_co_do_copy_on_readv(void * bs, int64_t sector_num, int nb_sectors, int64_t cluster_sector_num, int cluster_nb_sectors) -{ -} - -static inline void trace_stream_one_iteration(void * s, int64_t sector_num, int nb_sectors, int is_allocated) -{ -} - -static inline void trace_stream_start(void * bs, void * base, void * s, void * co, void * opaque) -{ -} - -static inline void trace_commit_one_iteration(void * s, int64_t sector_num, int nb_sectors, int is_allocated) -{ -} - -static inline void trace_commit_start(void * bs, void * base, void * top, void * s, void * co, void * opaque) -{ -} - -static inline void trace_mirror_start(void * bs, void * s, void * co, void * opaque) -{ -} - -static inline void trace_mirror_restart_iter(void * s, int64_t cnt) -{ -} - -static inline void trace_mirror_before_flush(void * s) -{ -} - -static inline void trace_mirror_before_drain(void * s, int64_t cnt) -{ -} - -static inline void trace_mirror_before_sleep(void * s, int64_t cnt, int synced) -{ -} - -static inline void trace_mirror_one_iteration(void * s, int64_t sector_num, int nb_sectors) -{ -} - -static inline void trace_mirror_cow(void * s, int64_t sector_num) -{ -} - -static inline void trace_mirror_iteration_done(void * s, int64_t sector_num, int nb_sectors, int ret) -{ -} - -static inline void trace_mirror_yield(void * s, int64_t cnt, int buf_free_count, int in_flight) -{ -} - -static inline void trace_mirror_yield_in_flight(void * s, int64_t sector_num, int in_flight) -{ -} - -static inline void trace_mirror_yield_buf_busy(void * s, int nb_chunks, int in_flight) -{ -} - -static inline void trace_mirror_break_buf_busy(void * s, int nb_chunks, int in_flight) -{ -} - -static inline void trace_backup_do_cow_enter(void * job, int64_t start, int64_t sector_num, int nb_sectors) -{ -} - -static inline void trace_backup_do_cow_return(void * job, int64_t sector_num, int nb_sectors, int ret) -{ -} - -static inline void trace_backup_do_cow_skip(void * job, int64_t start) -{ -} - -static inline void trace_backup_do_cow_process(void * job, int64_t start) -{ -} - -static inline void trace_backup_do_cow_read_fail(void * job, int64_t start, int ret) -{ -} - -static inline void trace_backup_do_cow_write_fail(void * job, int64_t start, int ret) -{ -} - -static inline void trace_qmp_block_job_cancel(void * job) -{ -} - -static inline void trace_qmp_block_job_pause(void * job) -{ -} - -static inline void trace_qmp_block_job_resume(void * job) -{ -} - -static inline void trace_qmp_block_job_complete(void * job) -{ -} - -static inline void trace_block_job_cb(void * bs, void * job, int ret) -{ -} - -static inline void trace_qmp_block_stream(void * bs, void * job) -{ -} - -static inline void trace_virtio_blk_req_complete(void * req, int status) -{ -} - -static inline void trace_virtio_blk_rw_complete(void * req, int ret) -{ -} - -static inline void trace_virtio_blk_handle_write(void * req, uint64_t sector, size_t nsectors) -{ -} - -static inline void trace_virtio_blk_handle_read(void * req, uint64_t sector, size_t nsectors) -{ -} - -static inline void trace_virtio_blk_data_plane_start(void * s) -{ -} - -static inline void trace_virtio_blk_data_plane_stop(void * s) -{ -} - -static inline void trace_virtio_blk_data_plane_process_request(void * s, unsigned int out_num, unsigned int in_num, unsigned int head) -{ -} - -static inline void trace_virtio_blk_data_plane_complete_request(void * s, unsigned int head, int ret) -{ -} - -static inline void trace_vring_setup(uint64_t physical, void * desc, void * avail, void * used) -{ -} - -static inline void trace_thread_pool_submit(void * pool, void * req, void * opaque) -{ -} - -static inline void trace_thread_pool_complete(void * pool, void * req, void * opaque, int ret) -{ -} - -static inline void trace_thread_pool_cancel(void * req, void * opaque) -{ -} - -static inline void trace_paio_submit(void * acb, void * opaque, int64_t sector_num, int nb_sectors, int type) -{ -} - -static inline void trace_paio_complete(void * acb, void * opaque, int ret) -{ -} - -static inline void trace_paio_cancel(void * acb, void * opaque) -{ -} - -static inline void trace_cpu_in(unsigned int addr, unsigned int val) -{ -} - -static inline void trace_cpu_out(unsigned int addr, unsigned int val) -{ -} - -static inline void trace_balloon_event(void * opaque, unsigned long addr) -{ -} - -static inline void trace_apic_local_deliver(int vector, uint32_t lvt) -{ -} - -static inline void trace_apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t trigger_mode) -{ -} - -static inline void trace_cpu_set_apic_base(uint64_t val) -{ -} - -static inline void trace_cpu_get_apic_base(uint64_t val) -{ -} - -static inline void trace_apic_mem_readl(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_apic_mem_writel(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_apic_report_irq_delivered(int apic_irq_delivered) -{ -} - -static inline void trace_apic_reset_irq_delivered(int apic_irq_delivered) -{ -} - -static inline void trace_apic_get_irq_delivered(int apic_irq_delivered) -{ -} - -static inline void trace_cs4231_mem_readl_dreg(uint32_t reg, uint32_t ret) -{ -} - -static inline void trace_cs4231_mem_readl_reg(uint32_t reg, uint32_t ret) -{ -} - -static inline void trace_cs4231_mem_writel_reg(uint32_t reg, uint32_t old, uint32_t val) -{ -} - -static inline void trace_cs4231_mem_writel_dreg(uint32_t reg, uint32_t old, uint32_t val) -{ -} - -static inline void trace_nvram_read(uint32_t addr, uint32_t ret) -{ -} - -static inline void trace_nvram_write(uint32_t addr, uint32_t old, uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_mer(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_mdr(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_mfsr(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_vcr(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_dr(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_ecr0(uint32_t val) -{ -} - -static inline void trace_ecc_mem_writel_ecr1(uint32_t val) -{ -} - -static inline void trace_ecc_mem_readl_mer(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_mdr(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_mfsr(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_vcr(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_mfar0(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_mfar1(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_dr(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_ecr0(uint32_t ret) -{ -} - -static inline void trace_ecc_mem_readl_ecr1(uint32_t ret) -{ -} - -static inline void trace_ecc_diag_mem_writeb(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_ecc_diag_mem_readb(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_fw_cfg_write(void * s, uint8_t value) -{ -} - -static inline void trace_fw_cfg_select(void * s, uint16_t key, int ret) -{ -} - -static inline void trace_fw_cfg_read(void * s, uint8_t ret) -{ -} - -static inline void trace_fw_cfg_add_file_dupe(void * s, char * name) -{ -} - -static inline void trace_fw_cfg_add_file(void * s, int index, char * name, size_t len) -{ -} - -static inline void trace_hd_geometry_lchs_guess(void * bs, int cyls, int heads, int secs) -{ -} - -static inline void trace_hd_geometry_guess(void * bs, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) -{ -} - -static inline void trace_jazz_led_read(uint64_t addr, uint8_t val) -{ -} - -static inline void trace_jazz_led_write(uint64_t addr, uint8_t new) -{ -} - -static inline void trace_lance_mem_readw(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_lance_mem_writew(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_slavio_intctl_mem_readl(uint32_t cpu, uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_slavio_intctl_mem_writel(uint32_t cpu, uint64_t addr, uint32_t val) -{ -} - -static inline void trace_slavio_intctl_mem_writel_clear(uint32_t cpu, uint32_t val, uint32_t intreg_pending) -{ -} - -static inline void trace_slavio_intctl_mem_writel_set(uint32_t cpu, uint32_t val, uint32_t intreg_pending) -{ -} - -static inline void trace_slavio_intctlm_mem_readl(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_slavio_intctlm_mem_writel(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_slavio_intctlm_mem_writel_enable(uint32_t val, uint32_t intregm_disabled) -{ -} - -static inline void trace_slavio_intctlm_mem_writel_disable(uint32_t val, uint32_t intregm_disabled) -{ -} - -static inline void trace_slavio_intctlm_mem_writel_target(uint32_t cpu) -{ -} - -static inline void trace_slavio_check_interrupts(uint32_t pending, uint32_t intregm_disabled) -{ -} - -static inline void trace_slavio_set_irq(uint32_t target_cpu, int irq, uint32_t pil, int level) -{ -} - -static inline void trace_slavio_set_timer_irq_cpu(int cpu, int level) -{ -} - -static inline void trace_slavio_misc_update_irq_raise(void) -{ -} - -static inline void trace_slavio_misc_update_irq_lower(void) -{ -} - -static inline void trace_slavio_set_power_fail(int power_failing, uint8_t config) -{ -} - -static inline void trace_slavio_cfg_mem_writeb(uint32_t val) -{ -} - -static inline void trace_slavio_cfg_mem_readb(uint32_t ret) -{ -} - -static inline void trace_slavio_diag_mem_writeb(uint32_t val) -{ -} - -static inline void trace_slavio_diag_mem_readb(uint32_t ret) -{ -} - -static inline void trace_slavio_mdm_mem_writeb(uint32_t val) -{ -} - -static inline void trace_slavio_mdm_mem_readb(uint32_t ret) -{ -} - -static inline void trace_slavio_aux1_mem_writeb(uint32_t val) -{ -} - -static inline void trace_slavio_aux1_mem_readb(uint32_t ret) -{ -} - -static inline void trace_slavio_aux2_mem_writeb(uint32_t val) -{ -} - -static inline void trace_slavio_aux2_mem_readb(uint32_t ret) -{ -} - -static inline void trace_apc_mem_writeb(uint32_t val) -{ -} - -static inline void trace_apc_mem_readb(uint32_t ret) -{ -} - -static inline void trace_slavio_sysctrl_mem_writel(uint32_t val) -{ -} - -static inline void trace_slavio_sysctrl_mem_readl(uint32_t ret) -{ -} - -static inline void trace_slavio_led_mem_writew(uint32_t val) -{ -} - -static inline void trace_slavio_led_mem_readw(uint32_t ret) -{ -} - -static inline void trace_slavio_timer_get_out(uint64_t limit, uint32_t counthigh, uint32_t count) -{ -} - -static inline void trace_slavio_timer_irq(uint32_t counthigh, uint32_t count) -{ -} - -static inline void trace_slavio_timer_mem_readl_invalid(uint64_t addr) -{ -} - -static inline void trace_slavio_timer_mem_readl(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_slavio_timer_mem_writel(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_slavio_timer_mem_writel_limit(unsigned int timer_index, uint64_t count) -{ -} - -static inline void trace_slavio_timer_mem_writel_counter_invalid(void) -{ -} - -static inline void trace_slavio_timer_mem_writel_status_start(unsigned int timer_index) -{ -} - -static inline void trace_slavio_timer_mem_writel_status_stop(unsigned int timer_index) -{ -} - -static inline void trace_slavio_timer_mem_writel_mode_user(unsigned int timer_index) -{ -} - -static inline void trace_slavio_timer_mem_writel_mode_counter(unsigned int timer_index) -{ -} - -static inline void trace_slavio_timer_mem_writel_mode_invalid(void) -{ -} - -static inline void trace_slavio_timer_mem_writel_invalid(uint64_t addr) -{ -} - -static inline void trace_ledma_memory_read(uint64_t addr) -{ -} - -static inline void trace_ledma_memory_write(uint64_t addr) -{ -} - -static inline void trace_sparc32_dma_set_irq_raise(void) -{ -} - -static inline void trace_sparc32_dma_set_irq_lower(void) -{ -} - -static inline void trace_espdma_memory_read(uint32_t addr) -{ -} - -static inline void trace_espdma_memory_write(uint32_t addr) -{ -} - -static inline void trace_sparc32_dma_mem_readl(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_sparc32_dma_mem_writel(uint64_t addr, uint32_t old, uint32_t val) -{ -} - -static inline void trace_sparc32_dma_enable_raise(void) -{ -} - -static inline void trace_sparc32_dma_enable_lower(void) -{ -} - -static inline void trace_sun4m_cpu_interrupt(unsigned int level) -{ -} - -static inline void trace_sun4m_cpu_reset_interrupt(unsigned int level) -{ -} - -static inline void trace_sun4m_cpu_set_irq_raise(int level) -{ -} - -static inline void trace_sun4m_cpu_set_irq_lower(int level) -{ -} - -static inline void trace_sun4m_iommu_mem_readl(uint64_t addr, uint32_t ret) -{ -} - -static inline void trace_sun4m_iommu_mem_writel(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_sun4m_iommu_mem_writel_ctrl(uint64_t iostart) -{ -} - -static inline void trace_sun4m_iommu_mem_writel_tlbflush(uint32_t val) -{ -} - -static inline void trace_sun4m_iommu_mem_writel_pgflush(uint32_t val) -{ -} - -static inline void trace_sun4m_iommu_page_get_flags(uint64_t pa, uint64_t iopte, uint32_t ret) -{ -} - -static inline void trace_sun4m_iommu_translate_pa(uint64_t addr, uint64_t pa, uint32_t iopte) -{ -} - -static inline void trace_sun4m_iommu_bad_addr(uint64_t addr) -{ -} - -static inline void trace_usb_packet_state_change(int bus, const char * port, int ep, void * p, const char * o, const char * n) -{ -} - -static inline void trace_usb_packet_state_fault(int bus, const char * port, int ep, void * p, const char * o, const char * n) -{ -} - -static inline void trace_usb_port_claim(int bus, const char * port) -{ -} - -static inline void trace_usb_port_attach(int bus, const char * port, const char * devspeed, const char * portspeed) -{ -} - -static inline void trace_usb_port_detach(int bus, const char * port) -{ -} - -static inline void trace_usb_port_release(int bus, const char * port) -{ -} - -static inline void trace_usb_ehci_reset(void) -{ -} - -static inline void trace_usb_ehci_opreg_read(uint32_t addr, const char * str, uint32_t val) -{ -} - -static inline void trace_usb_ehci_opreg_write(uint32_t addr, const char * str, uint32_t val) -{ -} - -static inline void trace_usb_ehci_opreg_change(uint32_t addr, const char * str, uint32_t new, uint32_t old) -{ -} - -static inline void trace_usb_ehci_portsc_read(uint32_t addr, uint32_t port, uint32_t val) -{ -} - -static inline void trace_usb_ehci_portsc_write(uint32_t addr, uint32_t port, uint32_t val) -{ -} - -static inline void trace_usb_ehci_portsc_change(uint32_t addr, uint32_t port, uint32_t new, uint32_t old) -{ -} - -static inline void trace_usb_ehci_usbsts(const char * sts, int state) -{ -} - -static inline void trace_usb_ehci_state(const char * schedule, const char * state) -{ -} - -static inline void trace_usb_ehci_qh_ptrs(void * q, uint32_t addr, uint32_t nxt, uint32_t c_qtd, uint32_t n_qtd, uint32_t a_qtd) -{ -} - -static inline void trace_usb_ehci_qh_fields(uint32_t addr, int rl, int mplen, int eps, int ep, int devaddr) -{ -} - -static inline void trace_usb_ehci_qh_bits(uint32_t addr, int c, int h, int dtc, int i) -{ -} - -static inline void trace_usb_ehci_qtd_ptrs(void * q, uint32_t addr, uint32_t nxt, uint32_t altnext) -{ -} - -static inline void trace_usb_ehci_qtd_fields(uint32_t addr, int tbytes, int cpage, int cerr, int pid) -{ -} - -static inline void trace_usb_ehci_qtd_bits(uint32_t addr, int ioc, int active, int halt, int babble, int xacterr) -{ -} - -static inline void trace_usb_ehci_itd(uint32_t addr, uint32_t nxt, uint32_t mplen, uint32_t mult, uint32_t ep, uint32_t devaddr) -{ -} - -static inline void trace_usb_ehci_sitd(uint32_t addr, uint32_t nxt, uint32_t active) -{ -} - -static inline void trace_usb_ehci_port_attach(uint32_t port, const char * owner, const char * device) -{ -} - -static inline void trace_usb_ehci_port_detach(uint32_t port, const char * owner) -{ -} - -static inline void trace_usb_ehci_port_reset(uint32_t port, int enable) -{ -} - -static inline void trace_usb_ehci_data(int rw, uint32_t cpage, uint32_t offset, uint32_t addr, uint32_t len, uint32_t bufpos) -{ -} - -static inline void trace_usb_ehci_queue_action(void * q, const char * action) -{ -} - -static inline void trace_usb_ehci_packet_action(void * q, void * p, const char * action) -{ -} - -static inline void trace_usb_ehci_irq(uint32_t level, uint32_t frindex, uint32_t sts, uint32_t mask) -{ -} - -static inline void trace_usb_ehci_guest_bug(const char * reason) -{ -} - -static inline void trace_usb_ehci_doorbell_ring(void) -{ -} - -static inline void trace_usb_ehci_doorbell_ack(void) -{ -} - -static inline void trace_usb_ehci_dma_error(void) -{ -} - -static inline void trace_usb_uhci_reset(void) -{ -} - -static inline void trace_usb_uhci_schedule_start(void) -{ -} - -static inline void trace_usb_uhci_schedule_stop(void) -{ -} - -static inline void trace_usb_uhci_frame_start(uint32_t num) -{ -} - -static inline void trace_usb_uhci_frame_stop_bandwidth(void) -{ -} - -static inline void trace_usb_uhci_frame_loop_stop_idle(void) -{ -} - -static inline void trace_usb_uhci_frame_loop_continue(void) -{ -} - -static inline void trace_usb_uhci_mmio_readw(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_usb_uhci_mmio_writew(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_usb_uhci_queue_add(uint32_t token) -{ -} - -static inline void trace_usb_uhci_queue_del(uint32_t token, const char * reason) -{ -} - -static inline void trace_usb_uhci_packet_add(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_link_async(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_unlink_async(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_cancel(uint32_t token, uint32_t addr, int done) -{ -} - -static inline void trace_usb_uhci_packet_complete_success(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_complete_shortxfer(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_complete_stall(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_complete_babble(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_complete_error(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_packet_del(uint32_t token, uint32_t addr) -{ -} - -static inline void trace_usb_uhci_qh_load(uint32_t qh) -{ -} - -static inline void trace_usb_uhci_td_load(uint32_t qh, uint32_t td, uint32_t ctrl, uint32_t token) -{ -} - -static inline void trace_usb_uhci_td_queue(uint32_t td, uint32_t ctrl, uint32_t token) -{ -} - -static inline void trace_usb_uhci_td_nextqh(uint32_t qh, uint32_t td) -{ -} - -static inline void trace_usb_uhci_td_async(uint32_t qh, uint32_t td) -{ -} - -static inline void trace_usb_uhci_td_complete(uint32_t qh, uint32_t td) -{ -} - -static inline void trace_usb_xhci_reset(void) -{ -} - -static inline void trace_usb_xhci_run(void) -{ -} - -static inline void trace_usb_xhci_stop(void) -{ -} - -static inline void trace_usb_xhci_cap_read(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_oper_read(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_port_read(uint32_t port, uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_runtime_read(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_doorbell_read(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_oper_write(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_port_write(uint32_t port, uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_runtime_write(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_doorbell_write(uint32_t off, uint32_t val) -{ -} - -static inline void trace_usb_xhci_irq_intx(uint32_t level) -{ -} - -static inline void trace_usb_xhci_irq_msi(uint32_t nr) -{ -} - -static inline void trace_usb_xhci_irq_msix(uint32_t nr) -{ -} - -static inline void trace_usb_xhci_irq_msix_use(uint32_t nr) -{ -} - -static inline void trace_usb_xhci_irq_msix_unuse(uint32_t nr) -{ -} - -static inline void trace_usb_xhci_queue_event(uint32_t vector, uint32_t idx, const char * trb, const char * evt, uint64_t param, uint32_t status, uint32_t control) -{ -} - -static inline void trace_usb_xhci_fetch_trb(uint64_t addr, const char * name, uint64_t param, uint32_t status, uint32_t control) -{ -} - -static inline void trace_usb_xhci_port_reset(uint32_t port) -{ -} - -static inline void trace_usb_xhci_port_link(uint32_t port, uint32_t pls) -{ -} - -static inline void trace_usb_xhci_port_notify(uint32_t port, uint32_t pls) -{ -} - -static inline void trace_usb_xhci_slot_enable(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_slot_disable(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_slot_address(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_slot_configure(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_slot_evaluate(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_slot_reset(uint32_t slotid) -{ -} - -static inline void trace_usb_xhci_ep_enable(uint32_t slotid, uint32_t epid) -{ -} - -static inline void trace_usb_xhci_ep_disable(uint32_t slotid, uint32_t epid) -{ -} - -static inline void trace_usb_xhci_ep_set_dequeue(uint32_t slotid, uint32_t epid, uint32_t streamid, uint64_t param) -{ -} - -static inline void trace_usb_xhci_ep_kick(uint32_t slotid, uint32_t epid, uint32_t streamid) -{ -} - -static inline void trace_usb_xhci_ep_stop(uint32_t slotid, uint32_t epid) -{ -} - -static inline void trace_usb_xhci_ep_reset(uint32_t slotid, uint32_t epid) -{ -} - -static inline void trace_usb_xhci_xfer_start(void * xfer, uint32_t slotid, uint32_t epid, uint32_t streamid) -{ -} - -static inline void trace_usb_xhci_xfer_async(void * xfer) -{ -} - -static inline void trace_usb_xhci_xfer_nak(void * xfer) -{ -} - -static inline void trace_usb_xhci_xfer_retry(void * xfer) -{ -} - -static inline void trace_usb_xhci_xfer_success(void * xfer, uint32_t bytes) -{ -} - -static inline void trace_usb_xhci_xfer_error(void * xfer, uint32_t ret) -{ -} - -static inline void trace_usb_xhci_unimplemented(const char * item, int nr) -{ -} - -static inline void trace_usb_desc_device(int addr, int len, int ret) -{ -} - -static inline void trace_usb_desc_device_qualifier(int addr, int len, int ret) -{ -} - -static inline void trace_usb_desc_config(int addr, int index, int len, int ret) -{ -} - -static inline void trace_usb_desc_other_speed_config(int addr, int index, int len, int ret) -{ -} - -static inline void trace_usb_desc_string(int addr, int index, int len, int ret) -{ -} - -static inline void trace_usb_desc_bos(int addr, int len, int ret) -{ -} - -static inline void trace_usb_set_addr(int addr) -{ -} - -static inline void trace_usb_set_config(int addr, int config, int ret) -{ -} - -static inline void trace_usb_set_interface(int addr, int iface, int alt, int ret) -{ -} - -static inline void trace_usb_clear_device_feature(int addr, int feature, int ret) -{ -} - -static inline void trace_usb_set_device_feature(int addr, int feature, int ret) -{ -} - -static inline void trace_usb_hub_reset(int addr) -{ -} - -static inline void trace_usb_hub_control(int addr, int request, int value, int index, int length) -{ -} - -static inline void trace_usb_hub_get_port_status(int addr, int nr, int status, int changed) -{ -} - -static inline void trace_usb_hub_set_port_feature(int addr, int nr, const char * f) -{ -} - -static inline void trace_usb_hub_clear_port_feature(int addr, int nr, const char * f) -{ -} - -static inline void trace_usb_hub_attach(int addr, int nr) -{ -} - -static inline void trace_usb_hub_detach(int addr, int nr) -{ -} - -static inline void trace_usb_uas_reset(int addr) -{ -} - -static inline void trace_usb_uas_command(int addr, uint16_t tag, int lun, uint32_t lun64_1, uint32_t lun64_2) -{ -} - -static inline void trace_usb_uas_response(int addr, uint16_t tag, uint8_t code) -{ -} - -static inline void trace_usb_uas_sense(int addr, uint16_t tag, uint8_t status) -{ -} - -static inline void trace_usb_uas_read_ready(int addr, uint16_t tag) -{ -} - -static inline void trace_usb_uas_write_ready(int addr, uint16_t tag) -{ -} - -static inline void trace_usb_uas_xfer_data(int addr, uint16_t tag, uint32_t copy, uint32_t uoff, uint32_t usize, uint32_t soff, uint32_t ssize) -{ -} - -static inline void trace_usb_uas_scsi_data(int addr, uint16_t tag, uint32_t bytes) -{ -} - -static inline void trace_usb_uas_scsi_complete(int addr, uint16_t tag, uint32_t status, uint32_t resid) -{ -} - -static inline void trace_usb_uas_tmf_abort_task(int addr, uint16_t tag, uint16_t task_tag) -{ -} - -static inline void trace_usb_uas_tmf_logical_unit_reset(int addr, uint16_t tag, int lun) -{ -} - -static inline void trace_usb_uas_tmf_unsupported(int addr, uint16_t tag, uint32_t function) -{ -} - -static inline void trace_usb_host_open_started(int bus, int addr) -{ -} - -static inline void trace_usb_host_open_success(int bus, int addr) -{ -} - -static inline void trace_usb_host_open_failure(int bus, int addr) -{ -} - -static inline void trace_usb_host_disconnect(int bus, int addr) -{ -} - -static inline void trace_usb_host_close(int bus, int addr) -{ -} - -static inline void trace_usb_host_attach_kernel(int bus, int addr, int interface) -{ -} - -static inline void trace_usb_host_detach_kernel(int bus, int addr, int interface) -{ -} - -static inline void trace_usb_host_set_address(int bus, int addr, int config) -{ -} - -static inline void trace_usb_host_set_config(int bus, int addr, int config) -{ -} - -static inline void trace_usb_host_set_interface(int bus, int addr, int interface, int alt) -{ -} - -static inline void trace_usb_host_claim_interfaces(int bus, int addr, int config, int nif) -{ -} - -static inline void trace_usb_host_claim_interface(int bus, int addr, int config, int interface) -{ -} - -static inline void trace_usb_host_release_interfaces(int bus, int addr) -{ -} - -static inline void trace_usb_host_release_interface(int bus, int addr, int interface) -{ -} - -static inline void trace_usb_host_req_control(int bus, int addr, void * p, int req, int value, int index) -{ -} - -static inline void trace_usb_host_req_data(int bus, int addr, void * p, int in, int ep, int size) -{ -} - -static inline void trace_usb_host_req_complete(int bus, int addr, void * p, int status, int length) -{ -} - -static inline void trace_usb_host_req_emulated(int bus, int addr, void * p, int status) -{ -} - -static inline void trace_usb_host_req_canceled(int bus, int addr, void * p) -{ -} - -static inline void trace_usb_host_urb_submit(int bus, int addr, void * aurb, int length, int more) -{ -} - -static inline void trace_usb_host_urb_complete(int bus, int addr, void * aurb, int status, int length, int more) -{ -} - -static inline void trace_usb_host_urb_canceled(int bus, int addr, void * aurb) -{ -} - -static inline void trace_usb_host_ep_set_halt(int bus, int addr, int ep) -{ -} - -static inline void trace_usb_host_ep_clear_halt(int bus, int addr, int ep) -{ -} - -static inline void trace_usb_host_iso_start(int bus, int addr, int ep) -{ -} - -static inline void trace_usb_host_iso_stop(int bus, int addr, int ep) -{ -} - -static inline void trace_usb_host_iso_out_of_bufs(int bus, int addr, int ep) -{ -} - -static inline void trace_usb_host_iso_many_urbs(int bus, int addr, int count) -{ -} - -static inline void trace_usb_host_reset(int bus, int addr) -{ -} - -static inline void trace_usb_host_auto_scan_enabled(void) -{ -} - -static inline void trace_usb_host_auto_scan_disabled(void) -{ -} - -static inline void trace_usb_host_claim_port(int bus, int hub, int port) -{ -} - -static inline void trace_usb_host_parse_device(int bus, int addr, int vendor, int product) -{ -} - -static inline void trace_usb_host_parse_config(int bus, int addr, int value, int active) -{ -} - -static inline void trace_usb_host_parse_interface(int bus, int addr, int num, int alt, int active) -{ -} - -static inline void trace_usb_host_parse_endpoint(int bus, int addr, int ep, const char * dir, const char * type, int active) -{ -} - -static inline void trace_usb_host_parse_unknown(int bus, int addr, int len, int type) -{ -} - -static inline void trace_usb_host_parse_error(int bus, int addr, const char * errmsg) -{ -} - -static inline void trace_scsi_req_alloc(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_req_cancel(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_req_data(int target, int lun, int tag, int len) -{ -} - -static inline void trace_scsi_req_data_canceled(int target, int lun, int tag, int len) -{ -} - -static inline void trace_scsi_req_dequeue(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_req_continue(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_req_continue_canceled(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_req_parsed(int target, int lun, int tag, int cmd, int mode, int xfer) -{ -} - -static inline void trace_scsi_req_parsed_lba(int target, int lun, int tag, int cmd, uint64_t lba) -{ -} - -static inline void trace_scsi_req_parse_bad(int target, int lun, int tag, int cmd) -{ -} - -static inline void trace_scsi_req_build_sense(int target, int lun, int tag, int key, int asc, int ascq) -{ -} - -static inline void trace_scsi_device_set_ua(int target, int lun, int key, int asc, int ascq) -{ -} - -static inline void trace_scsi_report_luns(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_inquiry(int target, int lun, int tag, int cdb1, int cdb2) -{ -} - -static inline void trace_scsi_test_unit_ready(int target, int lun, int tag) -{ -} - -static inline void trace_scsi_request_sense(int target, int lun, int tag) -{ -} - -static inline void trace_vm_state_notify(int running, int reason) -{ -} - -static inline void trace_load_file(const char * name, const char * path) -{ -} - -static inline void trace_runstate_set(int new_state) -{ -} - -static inline void trace_qcow2_writev_start_req(void * co, int64_t sector, int nb_sectors) -{ -} - -static inline void trace_qcow2_writev_done_req(void * co, int ret) -{ -} - -static inline void trace_qcow2_writev_start_part(void * co) -{ -} - -static inline void trace_qcow2_writev_done_part(void * co, int cur_nr_sectors) -{ -} - -static inline void trace_qcow2_writev_data(void * co, uint64_t offset) -{ -} - -static inline void trace_qcow2_alloc_clusters_offset(void * co, uint64_t offset, int n_start, int n_end) -{ -} - -static inline void trace_qcow2_handle_copied(void * co, uint64_t guest_offset, uint64_t host_offset, uint64_t bytes) -{ -} - -static inline void trace_qcow2_handle_alloc(void * co, uint64_t guest_offset, uint64_t host_offset, uint64_t bytes) -{ -} - -static inline void trace_qcow2_do_alloc_clusters_offset(void * co, uint64_t guest_offset, uint64_t host_offset, int nb_clusters) -{ -} - -static inline void trace_qcow2_cluster_alloc_phys(void * co) -{ -} - -static inline void trace_qcow2_cluster_link_l2(void * co, int nb_clusters) -{ -} - -static inline void trace_qcow2_l2_allocate(void * bs, int l1_index) -{ -} - -static inline void trace_qcow2_l2_allocate_get_empty(void * bs, int l1_index) -{ -} - -static inline void trace_qcow2_l2_allocate_write_l2(void * bs, int l1_index) -{ -} - -static inline void trace_qcow2_l2_allocate_write_l1(void * bs, int l1_index) -{ -} - -static inline void trace_qcow2_l2_allocate_done(void * bs, int l1_index, int ret) -{ -} - -static inline void trace_qcow2_cache_get(void * co, int c, uint64_t offset, bool read_from_disk) -{ -} - -static inline void trace_qcow2_cache_get_replace_entry(void * co, int c, int i) -{ -} - -static inline void trace_qcow2_cache_get_read(void * co, int c, int i) -{ -} - -static inline void trace_qcow2_cache_get_done(void * co, int c, int i) -{ -} - -static inline void trace_qcow2_cache_flush(void * co, int c) -{ -} - -static inline void trace_qcow2_cache_entry_flush(void * co, int c, int i) -{ -} - -static inline void trace_qed_alloc_l2_cache_entry(void * l2_cache, void * entry) -{ -} - -static inline void trace_qed_unref_l2_cache_entry(void * entry, int ref) -{ -} - -static inline void trace_qed_find_l2_cache_entry(void * l2_cache, void * entry, uint64_t offset, int ref) -{ -} - -static inline void trace_qed_read_table(void * s, uint64_t offset, void * table) -{ -} - -static inline void trace_qed_read_table_cb(void * s, void * table, int ret) -{ -} - -static inline void trace_qed_write_table(void * s, uint64_t offset, void * table, unsigned int index, unsigned int n) -{ -} - -static inline void trace_qed_write_table_cb(void * s, void * table, int flush, int ret) -{ -} - -static inline void trace_qed_need_check_timer_cb(void * s) -{ -} - -static inline void trace_qed_start_need_check_timer(void * s) -{ -} - -static inline void trace_qed_cancel_need_check_timer(void * s) -{ -} - -static inline void trace_qed_aio_complete(void * s, void * acb, int ret) -{ -} - -static inline void trace_qed_aio_setup(void * s, void * acb, int64_t sector_num, int nb_sectors, void * opaque, int flags) -{ -} - -static inline void trace_qed_aio_next_io(void * s, void * acb, int ret, uint64_t cur_pos) -{ -} - -static inline void trace_qed_aio_read_data(void * s, void * acb, int ret, uint64_t offset, size_t len) -{ -} - -static inline void trace_qed_aio_write_data(void * s, void * acb, int ret, uint64_t offset, size_t len) -{ -} - -static inline void trace_qed_aio_write_prefill(void * s, void * acb, uint64_t start, size_t len, uint64_t offset) -{ -} - -static inline void trace_qed_aio_write_postfill(void * s, void * acb, uint64_t start, size_t len, uint64_t offset) -{ -} - -static inline void trace_qed_aio_write_main(void * s, void * acb, int ret, uint64_t offset, size_t len) -{ -} - -static inline void trace_g364fb_read(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_g364fb_write(uint64_t addr, uint32_t new) -{ -} - -static inline void trace_grlib_gptimer_enable(int id, uint32_t count) -{ -} - -static inline void trace_grlib_gptimer_disabled(int id, uint32_t config) -{ -} - -static inline void trace_grlib_gptimer_restart(int id, uint32_t reload) -{ -} - -static inline void trace_grlib_gptimer_set_scaler(uint32_t scaler, uint32_t freq) -{ -} - -static inline void trace_grlib_gptimer_hit(int id) -{ -} - -static inline void trace_grlib_gptimer_readl(int id, uint64_t addr, uint32_t val) -{ -} - -static inline void trace_grlib_gptimer_writel(int id, uint64_t addr, uint32_t val) -{ -} - -static inline void trace_grlib_irqmp_check_irqs(uint32_t pend, uint32_t force, uint32_t mask, uint32_t lvl1, uint32_t lvl2) -{ -} - -static inline void trace_grlib_irqmp_ack(int intno) -{ -} - -static inline void trace_grlib_irqmp_set_irq(int irq) -{ -} - -static inline void trace_grlib_irqmp_readl_unknown(uint64_t addr) -{ -} - -static inline void trace_grlib_irqmp_writel_unknown(uint64_t addr, uint32_t value) -{ -} - -static inline void trace_grlib_apbuart_event(int event) -{ -} - -static inline void trace_grlib_apbuart_writel_unknown(uint64_t addr, uint32_t value) -{ -} - -static inline void trace_grlib_apbuart_readl_unknown(uint64_t addr) -{ -} - -static inline void trace_leon3_set_irq(int intno) -{ -} - -static inline void trace_leon3_reset_irq(int intno) -{ -} - -static inline void trace_spice_vmc_write(ssize_t out, int len) -{ -} - -static inline void trace_spice_vmc_read(int bytes, int len) -{ -} - -static inline void trace_spice_vmc_register_interface(void * scd) -{ -} - -static inline void trace_spice_vmc_unregister_interface(void * scd) -{ -} - -static inline void trace_spice_vmc_event(int event) -{ -} - -static inline void trace_lm32_pic_raise_irq(void) -{ -} - -static inline void trace_lm32_pic_lower_irq(void) -{ -} - -static inline void trace_lm32_pic_interrupt(int irq, int level) -{ -} - -static inline void trace_lm32_pic_set_im(uint32_t im) -{ -} - -static inline void trace_lm32_pic_set_ip(uint32_t ip) -{ -} - -static inline void trace_lm32_pic_get_im(uint32_t im) -{ -} - -static inline void trace_lm32_pic_get_ip(uint32_t ip) -{ -} - -static inline void trace_lm32_juart_get_jtx(uint32_t value) -{ -} - -static inline void trace_lm32_juart_set_jtx(uint32_t value) -{ -} - -static inline void trace_lm32_juart_get_jrx(uint32_t value) -{ -} - -static inline void trace_lm32_juart_set_jrx(uint32_t value) -{ -} - -static inline void trace_lm32_timer_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_lm32_timer_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_lm32_timer_hit(void) -{ -} - -static inline void trace_lm32_timer_irq_state(int level) -{ -} - -static inline void trace_lm32_uart_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_lm32_uart_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_lm32_uart_irq_state(int level) -{ -} - -static inline void trace_lm32_sys_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_megasas_init_firmware(uint64_t pa) -{ -} - -static inline void trace_megasas_init_queue(uint64_t queue_pa, int queue_len, uint64_t head, uint64_t tail, uint32_t flags) -{ -} - -static inline void trace_megasas_initq_map_failed(int frame) -{ -} - -static inline void trace_megasas_initq_mismatch(int queue_len, int fw_cmds) -{ -} - -static inline void trace_megasas_qf_found(unsigned int index, uint64_t pa) -{ -} - -static inline void trace_megasas_qf_new(unsigned int index, void * cmd) -{ -} - -static inline void trace_megasas_qf_failed(unsigned long pa) -{ -} - -static inline void trace_megasas_qf_enqueue(unsigned int index, unsigned int count, uint64_t context, unsigned int tail, int busy) -{ -} - -static inline void trace_megasas_qf_update(unsigned int head, unsigned int busy) -{ -} - -static inline void trace_megasas_qf_dequeue(unsigned int index) -{ -} - -static inline void trace_megasas_qf_map_failed(int cmd, unsigned long frame) -{ -} - -static inline void trace_megasas_qf_complete_noirq(uint64_t context) -{ -} - -static inline void trace_megasas_qf_complete(uint64_t context, unsigned int tail, unsigned int offset, int busy, unsigned int doorbell) -{ -} - -static inline void trace_megasas_handle_frame(const char * cmd, uint64_t addr, uint64_t context, uint32_t count) -{ -} - -static inline void trace_megasas_frame_busy(uint64_t addr) -{ -} - -static inline void trace_megasas_unhandled_frame_cmd(int cmd, uint8_t frame_cmd) -{ -} - -static inline void trace_megasas_handle_scsi(const char * frame, int bus, int dev, int lun, void * sdev, unsigned long size) -{ -} - -static inline void trace_megasas_scsi_target_not_present(const char * frame, int bus, int dev, int lun) -{ -} - -static inline void trace_megasas_scsi_invalid_cdb_len(const char * frame, int bus, int dev, int lun, int len) -{ -} - -static inline void trace_megasas_iov_read_overflow(int cmd, int bytes, int len) -{ -} - -static inline void trace_megasas_iov_write_overflow(int cmd, int bytes, int len) -{ -} - -static inline void trace_megasas_iov_read_underflow(int cmd, int bytes, int len) -{ -} - -static inline void trace_megasas_iov_write_underflow(int cmd, int bytes, int len) -{ -} - -static inline void trace_megasas_scsi_req_alloc_failed(const char * frame, int dev, int lun) -{ -} - -static inline void trace_megasas_scsi_read_start(int cmd, int len) -{ -} - -static inline void trace_megasas_scsi_write_start(int cmd, int len) -{ -} - -static inline void trace_megasas_scsi_nodata(int cmd) -{ -} - -static inline void trace_megasas_scsi_complete(int cmd, uint32_t status, int len, int xfer) -{ -} - -static inline void trace_megasas_command_complete(int cmd, uint32_t status, uint32_t resid) -{ -} - -static inline void trace_megasas_handle_io(int cmd, const char * frame, int dev, int lun, unsigned long lba, unsigned long count) -{ -} - -static inline void trace_megasas_io_target_not_present(int cmd, const char * frame, int dev, int lun) -{ -} - -static inline void trace_megasas_io_read_start(int cmd, unsigned long lba, unsigned long count, unsigned long len) -{ -} - -static inline void trace_megasas_io_write_start(int cmd, unsigned long lba, unsigned long count, unsigned long len) -{ -} - -static inline void trace_megasas_io_complete(int cmd, uint32_t len) -{ -} - -static inline void trace_megasas_io_read(int cmd, int bytes, int len, unsigned long offset) -{ -} - -static inline void trace_megasas_io_write(int cmd, int bytes, int len, unsigned long offset) -{ -} - -static inline void trace_megasas_io_continue(int cmd, int bytes) -{ -} - -static inline void trace_megasas_iovec_map_failed(int cmd, int index, unsigned long iov_size) -{ -} - -static inline void trace_megasas_iovec_sgl_overflow(int cmd, int index, int limit) -{ -} - -static inline void trace_megasas_iovec_sgl_underflow(int cmd, int index) -{ -} - -static inline void trace_megasas_iovec_sgl_invalid(int cmd, int index, uint64_t pa, uint32_t len) -{ -} - -static inline void trace_megasas_iovec_overflow(int cmd, int len, int limit) -{ -} - -static inline void trace_megasas_iovec_underflow(int cmd, int len, int limit) -{ -} - -static inline void trace_megasas_handle_dcmd(int cmd, int opcode) -{ -} - -static inline void trace_megasas_finish_dcmd(int cmd, int size) -{ -} - -static inline void trace_megasas_dcmd_req_alloc_failed(int cmd, const char * desc) -{ -} - -static inline void trace_megasas_dcmd_internal_submit(int cmd, const char * desc, int dev) -{ -} - -static inline void trace_megasas_dcmd_internal_finish(int cmd, int opcode, int lun) -{ -} - -static inline void trace_megasas_dcmd_internal_invalid(int cmd, int opcode) -{ -} - -static inline void trace_megasas_dcmd_unhandled(int cmd, int opcode, int len) -{ -} - -static inline void trace_megasas_dcmd_zero_sge(int cmd) -{ -} - -static inline void trace_megasas_dcmd_invalid_sge(int cmd, int count) -{ -} - -static inline void trace_megasas_dcmd_map_failed(int cmd) -{ -} - -static inline void trace_megasas_dcmd_invalid_xfer_len(int cmd, unsigned long size, unsigned long max) -{ -} - -static inline void trace_megasas_dcmd_enter(int cmd, const char * dcmd, int len) -{ -} - -static inline void trace_megasas_dcmd_dummy(int cmd, unsigned long size) -{ -} - -static inline void trace_megasas_dcmd_set_fw_time(int cmd, unsigned long time) -{ -} - -static inline void trace_megasas_dcmd_pd_get_list(int cmd, int num, int max, int offset) -{ -} - -static inline void trace_megasas_dcmd_ld_get_list(int cmd, int num, int max) -{ -} - -static inline void trace_megasas_dcmd_ld_get_info(int cmd, int ld_id) -{ -} - -static inline void trace_megasas_dcmd_pd_get_info(int cmd, int pd_id) -{ -} - -static inline void trace_megasas_dcmd_pd_list_query(int cmd, int flags) -{ -} - -static inline void trace_megasas_dcmd_unsupported(int cmd, unsigned long size) -{ -} - -static inline void trace_megasas_abort_frame(int cmd, int abort_cmd) -{ -} - -static inline void trace_megasas_abort_no_cmd(int cmd, uint64_t context) -{ -} - -static inline void trace_megasas_abort_invalid_context(int cmd, uint64_t context, int abort_cmd) -{ -} - -static inline void trace_megasas_reset(void) -{ -} - -static inline void trace_megasas_init(int sges, int cmds, const char * intr, const char * mode) -{ -} - -static inline void trace_megasas_msix_raise(int vector) -{ -} - -static inline void trace_megasas_irq_lower(void) -{ -} - -static inline void trace_megasas_irq_raise(void) -{ -} - -static inline void trace_megasas_intr_enabled(void) -{ -} - -static inline void trace_megasas_intr_disabled(void) -{ -} - -static inline void trace_megasas_mmio_readl(unsigned long addr, uint32_t val) -{ -} - -static inline void trace_megasas_mmio_invalid_readl(unsigned long addr) -{ -} - -static inline void trace_megasas_mmio_writel(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_megasas_mmio_invalid_writel(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_milkymist_ac97_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_ac97_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_ac97_pulse_irq_crrequest(void) -{ -} - -static inline void trace_milkymist_ac97_pulse_irq_crreply(void) -{ -} - -static inline void trace_milkymist_ac97_pulse_irq_dmaw(void) -{ -} - -static inline void trace_milkymist_ac97_pulse_irq_dmar(void) -{ -} - -static inline void trace_milkymist_ac97_in_cb(int avail, uint32_t remaining) -{ -} - -static inline void trace_milkymist_ac97_in_cb_transferred(int transferred) -{ -} - -static inline void trace_milkymist_ac97_out_cb(int free, uint32_t remaining) -{ -} - -static inline void trace_milkymist_ac97_out_cb_transferred(int transferred) -{ -} - -static inline void trace_milkymist_hpdmc_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_hpdmc_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_memcard_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_memcard_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_minimac2_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_minimac2_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_minimac2_mdio_write(uint8_t phy_addr, uint8_t addr, uint16_t value) -{ -} - -static inline void trace_milkymist_minimac2_mdio_read(uint8_t phy_addr, uint8_t addr, uint16_t value) -{ -} - -static inline void trace_milkymist_minimac2_tx_frame(uint32_t length) -{ -} - -static inline void trace_milkymist_minimac2_rx_frame(const void * buf, uint32_t length) -{ -} - -static inline void trace_milkymist_minimac2_drop_rx_frame(const void * buf) -{ -} - -static inline void trace_milkymist_minimac2_rx_transfer(const void * buf, uint32_t length) -{ -} - -static inline void trace_milkymist_minimac2_raise_irq_rx(void) -{ -} - -static inline void trace_milkymist_minimac2_lower_irq_rx(void) -{ -} - -static inline void trace_milkymist_minimac2_pulse_irq_tx(void) -{ -} - -static inline void trace_milkymist_pfpu_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_pfpu_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_pfpu_vectout(uint32_t a, uint32_t b, uint32_t dma_ptr) -{ -} - -static inline void trace_milkymist_pfpu_pulse_irq(void) -{ -} - -static inline void trace_milkymist_softusb_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_softusb_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_softusb_mevt(uint8_t m) -{ -} - -static inline void trace_milkymist_softusb_kevt(uint8_t m) -{ -} - -static inline void trace_milkymist_softusb_mouse_event(int dx, int dy, int dz, int bs) -{ -} - -static inline void trace_milkymist_softusb_pulse_irq(void) -{ -} - -static inline void trace_milkymist_sysctl_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_sysctl_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_sysctl_icap_write(uint32_t value) -{ -} - -static inline void trace_milkymist_sysctl_start_timer0(void) -{ -} - -static inline void trace_milkymist_sysctl_stop_timer0(void) -{ -} - -static inline void trace_milkymist_sysctl_start_timer1(void) -{ -} - -static inline void trace_milkymist_sysctl_stop_timer1(void) -{ -} - -static inline void trace_milkymist_sysctl_pulse_irq_timer0(void) -{ -} - -static inline void trace_milkymist_sysctl_pulse_irq_timer1(void) -{ -} - -static inline void trace_milkymist_tmu2_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_tmu2_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_tmu2_start(void) -{ -} - -static inline void trace_milkymist_tmu2_pulse_irq(void) -{ -} - -static inline void trace_milkymist_uart_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_uart_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_uart_raise_irq(void) -{ -} - -static inline void trace_milkymist_uart_lower_irq(void) -{ -} - -static inline void trace_milkymist_vgafb_memory_read(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_milkymist_vgafb_memory_write(uint32_t addr, uint32_t value) -{ -} - -static inline void trace_mipsnet_send(uint32_t size) -{ -} - -static inline void trace_mipsnet_receive(uint32_t size) -{ -} - -static inline void trace_mipsnet_read(uint64_t addr, uint32_t val) -{ -} - -static inline void trace_mipsnet_write(uint64_t addr, uint64_t val) -{ -} - -static inline void trace_mipsnet_irq(uint32_t isr, uint32_t intctl) -{ -} - -static inline void trace_pc87312_io_read(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_pc87312_io_write(uint32_t addr, uint32_t val) -{ -} - -static inline void trace_pc87312_info_floppy(uint32_t base) -{ -} - -static inline void trace_pc87312_info_ide(uint32_t base) -{ -} - -static inline void trace_pc87312_info_parallel(uint32_t base, uint32_t irq) -{ -} - -static inline void trace_pc87312_info_serial(int n, uint32_t base, uint32_t irq) -{ -} - -static inline void trace_pvscsi_ring_init_data(uint32_t txr_len_log2, uint32_t rxr_len_log2) -{ -} - -static inline void trace_pvscsi_ring_init_msg(uint32_t len_log2) -{ -} - -static inline void trace_pvscsi_ring_flush_cmp(uint64_t filled_cmp_ptr) -{ -} - -static inline void trace_pvscsi_ring_flush_msg(uint64_t filled_cmp_ptr) -{ -} - -static inline void trace_pvscsi_update_irq_level(bool raise, uint64_t mask, uint64_t status) -{ -} - -static inline void trace_pvscsi_update_irq_msi(void) -{ -} - -static inline void trace_pvscsi_cmp_ring_put(unsigned long addr) -{ -} - -static inline void trace_pvscsi_msg_ring_put(unsigned long addr) -{ -} - -static inline void trace_pvscsi_complete_request(uint64_t context, uint64_t len, uint8_t sense_key) -{ -} - -static inline void trace_pvscsi_get_sg_list(int nsg, size_t size) -{ -} - -static inline void trace_pvscsi_get_next_sg_elem(uint32_t flags) -{ -} - -static inline void trace_pvscsi_command_complete_not_found(uint32_t tag) -{ -} - -static inline void trace_pvscsi_command_complete_data_run(void) -{ -} - -static inline void trace_pvscsi_command_complete_sense_len(int len) -{ -} - -static inline void trace_pvscsi_convert_sglist(uint64_t context, unsigned long addr, uint32_t resid) -{ -} - -static inline void trace_pvscsi_process_req_descr(uint8_t cmd, uint64_t ctx) -{ -} - -static inline void trace_pvscsi_process_req_descr_unknown_device(void) -{ -} - -static inline void trace_pvscsi_process_req_descr_invalid_dir(void) -{ -} - -static inline void trace_pvscsi_process_io(unsigned long addr) -{ -} - -static inline void trace_pvscsi_on_cmd_noimpl(const char* cmd) -{ -} - -static inline void trace_pvscsi_on_cmd_reset_dev(uint32_t tgt, int lun, void* dev) -{ -} - -static inline void trace_pvscsi_on_cmd_arrived(const char* cmd) -{ -} - -static inline void trace_pvscsi_on_cmd_abort(uint64_t ctx, uint32_t tgt) -{ -} - -static inline void trace_pvscsi_on_cmd_unknown(uint64_t cmd_id) -{ -} - -static inline void trace_pvscsi_on_cmd_unknown_data(uint32_t data) -{ -} - -static inline void trace_pvscsi_io_write(const char* cmd, uint64_t val) -{ -} - -static inline void trace_pvscsi_io_write_unknown(unsigned long addr, unsigned sz, uint64_t val) -{ -} - -static inline void trace_pvscsi_io_read(const char* cmd, uint64_t status) -{ -} - -static inline void trace_pvscsi_io_read_unknown(unsigned long addr, unsigned sz) -{ -} - -static inline void trace_pvscsi_init_msi_fail(int res) -{ -} - -static inline void trace_pvscsi_state(const char* state) -{ -} - -static inline void trace_pvscsi_tx_rings_ppn(const char* label, uint64_t ppn) -{ -} - -static inline void trace_pvscsi_tx_rings_num_pages(const char* label, uint32_t num) -{ -} - -static inline void trace_xen_ram_alloc(unsigned long ram_addr, unsigned long size) -{ -} - -static inline void trace_xen_client_set_memory(uint64_t start_addr, unsigned long size, bool log_dirty) -{ -} - -static inline void trace_xen_map_cache(uint64_t phys_addr) -{ -} - -static inline void trace_xen_remap_bucket(uint64_t index) -{ -} - -static inline void trace_xen_map_cache_return(void* ptr) -{ -} - -static inline void trace_xen_map_block(uint64_t phys_addr, uint64_t size) -{ -} - -static inline void trace_xen_unmap_block(void* addr, unsigned long size) -{ -} - -static inline void trace_xen_platform_log(char * s) -{ -} - -static inline void trace_qemu_coroutine_enter(void * from, void * to, void * opaque) -{ -} - -static inline void trace_qemu_coroutine_yield(void * from, void * to) -{ -} - -static inline void trace_qemu_coroutine_terminate(void * co) -{ -} - -static inline void trace_qemu_co_queue_run_restart(void * co) -{ -} - -static inline void trace_qemu_co_queue_next(void * nxt) -{ -} - -static inline void trace_qemu_co_mutex_lock_entry(void * mutex, void * self) -{ -} - -static inline void trace_qemu_co_mutex_lock_return(void * mutex, void * self) -{ -} - -static inline void trace_qemu_co_mutex_unlock_entry(void * mutex, void * self) -{ -} - -static inline void trace_qemu_co_mutex_unlock_return(void * mutex, void * self) -{ -} - -static inline void trace_escc_put_queue(char channel, int b) -{ -} - -static inline void trace_escc_get_queue(char channel, int val) -{ -} - -static inline void trace_escc_update_irq(int irq) -{ -} - -static inline void trace_escc_update_parameters(char channel, int speed, int parity, int data_bits, int stop_bits) -{ -} - -static inline void trace_escc_mem_writeb_ctrl(char channel, uint32_t reg, uint32_t val) -{ -} - -static inline void trace_escc_mem_writeb_data(char channel, uint32_t val) -{ -} - -static inline void trace_escc_mem_readb_ctrl(char channel, uint32_t reg, uint8_t val) -{ -} - -static inline void trace_escc_mem_readb_data(char channel, uint32_t ret) -{ -} - -static inline void trace_escc_serial_receive_byte(char channel, int ch) -{ -} - -static inline void trace_escc_sunkbd_event_in(int ch) -{ -} - -static inline void trace_escc_sunkbd_event_out(int ch) -{ -} - -static inline void trace_escc_kbd_command(int val) -{ -} - -static inline void trace_escc_sunmouse_event(int dx, int dy, int buttons_state) -{ -} - -static inline void trace_iscsi_aio_write16_cb(void * iscsi, int status, void * acb, int canceled) -{ -} - -static inline void trace_iscsi_aio_writev(void * iscsi, int64_t sector_num, int nb_sectors, void * opaque, void * acb) -{ -} - -static inline void trace_iscsi_aio_read16_cb(void * iscsi, int status, void * acb, int canceled) -{ -} - -static inline void trace_iscsi_aio_readv(void * iscsi, int64_t sector_num, int nb_sectors, void * opaque, void * acb) -{ -} - -static inline void trace_esp_error_fifo_overrun(void) -{ -} - -static inline void trace_esp_error_unhandled_command(uint32_t val) -{ -} - -static inline void trace_esp_error_invalid_write(uint32_t val, uint32_t addr) -{ -} - -static inline void trace_esp_raise_irq(void) -{ -} - -static inline void trace_esp_lower_irq(void) -{ -} - -static inline void trace_esp_dma_enable(void) -{ -} - -static inline void trace_esp_dma_disable(void) -{ -} - -static inline void trace_esp_get_cmd(uint32_t dmalen, int target) -{ -} - -static inline void trace_esp_do_busid_cmd(uint8_t busid) -{ -} - -static inline void trace_esp_handle_satn_stop(uint32_t cmdlen) -{ -} - -static inline void trace_esp_write_response(uint32_t status) -{ -} - -static inline void trace_esp_do_dma(uint32_t cmdlen, uint32_t len) -{ -} - -static inline void trace_esp_command_complete(void) -{ -} - -static inline void trace_esp_command_complete_unexpected(void) -{ -} - -static inline void trace_esp_command_complete_fail(void) -{ -} - -static inline void trace_esp_transfer_data(uint32_t dma_left, int32_t ti_size) -{ -} - -static inline void trace_esp_handle_ti(uint32_t minlen) -{ -} - -static inline void trace_esp_handle_ti_cmd(uint32_t cmdlen) -{ -} - -static inline void trace_esp_mem_readb(uint32_t saddr, uint8_t reg) -{ -} - -static inline void trace_esp_mem_writeb(uint32_t saddr, uint8_t reg, uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_nop(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_flush(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_reset(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_bus_reset(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_iccs(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_msgacc(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_pad(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_satn(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_rstatn(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_sel(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_selatn(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_selatns(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_ensel(uint32_t val) -{ -} - -static inline void trace_esp_mem_writeb_cmd_dissel(uint32_t val) -{ -} - -static inline void trace_esp_pci_error_invalid_dma_direction(void) -{ -} - -static inline void trace_esp_pci_error_invalid_read(uint32_t reg) -{ -} - -static inline void trace_esp_pci_error_invalid_write(uint32_t reg) -{ -} - -static inline void trace_esp_pci_error_invalid_write_dma(uint32_t val, uint32_t addr) -{ -} - -static inline void trace_esp_pci_dma_read(uint32_t saddr, uint32_t reg) -{ -} - -static inline void trace_esp_pci_dma_write(uint32_t saddr, uint32_t reg, uint32_t val) -{ -} - -static inline void trace_esp_pci_dma_idle(uint32_t val) -{ -} - -static inline void trace_esp_pci_dma_blast(uint32_t val) -{ -} - -static inline void trace_esp_pci_dma_abort(uint32_t val) -{ -} - -static inline void trace_esp_pci_dma_start(uint32_t val) -{ -} - -static inline void trace_esp_pci_sbac_read(uint32_t reg) -{ -} - -static inline void trace_esp_pci_sbac_write(uint32_t reg, uint32_t val) -{ -} - -static inline void trace_handle_qmp_command(void * mon, const char * cmd_name) -{ -} - -static inline void trace_monitor_protocol_emitter(void * mon) -{ -} - -static inline void trace_monitor_protocol_event(uint32_t event, const char * evname, void * data) -{ -} - -static inline void trace_monitor_protocol_event_handler(uint32_t event, void * data, uint64_t last, uint64_t now) -{ -} - -static inline void trace_monitor_protocol_event_emit(uint32_t event, void * data) -{ -} - -static inline void trace_monitor_protocol_event_queue(uint32_t event, void * data, uint64_t rate, uint64_t last, uint64_t now) -{ -} - -static inline void trace_monitor_protocol_event_throttle(uint32_t event, uint64_t rate) -{ -} - -static inline void trace_open_eth_mii_write(unsigned idx, uint16_t v) -{ -} - -static inline void trace_open_eth_mii_read(unsigned idx, uint16_t v) -{ -} - -static inline void trace_open_eth_update_irq(uint32_t v) -{ -} - -static inline void trace_open_eth_receive(unsigned len) -{ -} - -static inline void trace_open_eth_receive_mcast(unsigned idx, uint32_t h0, uint32_t h1) -{ -} - -static inline void trace_open_eth_receive_reject(void) -{ -} - -static inline void trace_open_eth_receive_desc(uint32_t addr, uint32_t len_flags) -{ -} - -static inline void trace_open_eth_start_xmit(uint32_t addr, unsigned len, unsigned tx_len) -{ -} - -static inline void trace_open_eth_reg_read(uint32_t addr, uint32_t v) -{ -} - -static inline void trace_open_eth_reg_write(uint32_t addr, uint32_t v) -{ -} - -static inline void trace_open_eth_desc_read(uint32_t addr, uint32_t v) -{ -} - -static inline void trace_open_eth_desc_write(uint32_t addr, uint32_t v) -{ -} - -static inline void trace_v9fs_rerror(uint16_t tag, uint8_t id, int err) -{ -} - -static inline void trace_v9fs_version(uint16_t tag, uint8_t id, int32_t msize, char* version) -{ -} - -static inline void trace_v9fs_version_return(uint16_t tag, uint8_t id, int32_t msize, char* version) -{ -} - -static inline void trace_v9fs_attach(uint16_t tag, uint8_t id, int32_t fid, int32_t afid, char* uname, char* aname) -{ -} - -static inline void trace_v9fs_attach_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path) -{ -} - -static inline void trace_v9fs_stat(uint16_t tag, uint8_t id, int32_t fid) -{ -} - -static inline void trace_v9fs_stat_return(uint16_t tag, uint8_t id, int32_t mode, int32_t atime, int32_t mtime, int64_t length) -{ -} - -static inline void trace_v9fs_getattr(uint16_t tag, uint8_t id, int32_t fid, uint64_t request_mask) -{ -} - -static inline void trace_v9fs_getattr_return(uint16_t tag, uint8_t id, uint64_t result_mask, uint32_t mode, uint32_t uid, uint32_t gid) -{ -} - -static inline void trace_v9fs_walk(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, uint16_t nwnames) -{ -} - -static inline void trace_v9fs_walk_return(uint16_t tag, uint8_t id, uint16_t nwnames, void* qids) -{ -} - -static inline void trace_v9fs_open(uint16_t tag, uint8_t id, int32_t fid, int32_t mode) -{ -} - -static inline void trace_v9fs_open_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int iounit) -{ -} - -static inline void trace_v9fs_lcreate(uint16_t tag, uint8_t id, int32_t dfid, int32_t flags, int32_t mode, uint32_t gid) -{ -} - -static inline void trace_v9fs_lcreate_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int32_t iounit) -{ -} - -static inline void trace_v9fs_fsync(uint16_t tag, uint8_t id, int32_t fid, int datasync) -{ -} - -static inline void trace_v9fs_clunk(uint16_t tag, uint8_t id, int32_t fid) -{ -} - -static inline void trace_v9fs_read(uint16_t tag, uint8_t id, int32_t fid, uint64_t off, uint32_t max_count) -{ -} - -static inline void trace_v9fs_read_return(uint16_t tag, uint8_t id, int32_t count, ssize_t err) -{ -} - -static inline void trace_v9fs_readdir(uint16_t tag, uint8_t id, int32_t fid, uint64_t offset, uint32_t max_count) -{ -} - -static inline void trace_v9fs_readdir_return(uint16_t tag, uint8_t id, uint32_t count, ssize_t retval) -{ -} - -static inline void trace_v9fs_write(uint16_t tag, uint8_t id, int32_t fid, uint64_t off, uint32_t count, int cnt) -{ -} - -static inline void trace_v9fs_write_return(uint16_t tag, uint8_t id, int32_t total, ssize_t err) -{ -} - -static inline void trace_v9fs_create(uint16_t tag, uint8_t id, int32_t fid, char* name, int32_t perm, int8_t mode) -{ -} - -static inline void trace_v9fs_create_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int iounit) -{ -} - -static inline void trace_v9fs_symlink(uint16_t tag, uint8_t id, int32_t fid, char* name, char* symname, uint32_t gid) -{ -} - -static inline void trace_v9fs_symlink_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path) -{ -} - -static inline void trace_v9fs_flush(uint16_t tag, uint8_t id, int16_t flush_tag) -{ -} - -static inline void trace_v9fs_link(uint16_t tag, uint8_t id, int32_t dfid, int32_t oldfid, char* name) -{ -} - -static inline void trace_v9fs_remove(uint16_t tag, uint8_t id, int32_t fid) -{ -} - -static inline void trace_v9fs_wstat(uint16_t tag, uint8_t id, int32_t fid, int32_t mode, int32_t atime, int32_t mtime) -{ -} - -static inline void trace_v9fs_mknod(uint16_t tag, uint8_t id, int32_t fid, int mode, int major, int minor) -{ -} - -static inline void trace_v9fs_mknod_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path) -{ -} - -static inline void trace_v9fs_lock(uint16_t tag, uint8_t id, int32_t fid, uint8_t type, uint64_t start, uint64_t length) -{ -} - -static inline void trace_v9fs_lock_return(uint16_t tag, uint8_t id, int8_t status) -{ -} - -static inline void trace_v9fs_getlock(uint16_t tag, uint8_t id, int32_t fid, uint8_t type, uint64_t start, uint64_t length) -{ -} - -static inline void trace_v9fs_getlock_return(uint16_t tag, uint8_t id, uint8_t type, uint64_t start, uint64_t length, uint32_t proc_id) -{ -} - -static inline void trace_v9fs_mkdir(uint16_t tag, uint8_t id, int32_t fid, char* name, int mode, uint32_t gid) -{ -} - -static inline void trace_v9fs_mkdir_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int err) -{ -} - -static inline void trace_v9fs_xattrwalk(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, char* name) -{ -} - -static inline void trace_v9fs_xattrwalk_return(uint16_t tag, uint8_t id, int64_t size) -{ -} - -static inline void trace_v9fs_xattrcreate(uint16_t tag, uint8_t id, int32_t fid, char* name, int64_t size, int flags) -{ -} - -static inline void trace_v9fs_readlink(uint16_t tag, uint8_t id, int32_t fid) -{ -} - -static inline void trace_v9fs_readlink_return(uint16_t tag, uint8_t id, char* target) -{ -} - -static inline void trace_mmu_helper_dfault(uint64_t address, uint64_t context, int mmu_idx, uint32_t tl) -{ -} - -static inline void trace_mmu_helper_dprot(uint64_t address, uint64_t context, int mmu_idx, uint32_t tl) -{ -} - -static inline void trace_mmu_helper_dmiss(uint64_t address, uint64_t context) -{ -} - -static inline void trace_mmu_helper_tfault(uint64_t address, uint64_t context) -{ -} - -static inline void trace_mmu_helper_tmiss(uint64_t address, uint64_t context) -{ -} - -static inline void trace_mmu_helper_get_phys_addr_code(uint32_t tl, int mmu_idx, uint64_t prim_context, uint64_t sec_context, uint64_t address) -{ -} - -static inline void trace_mmu_helper_get_phys_addr_data(uint32_t tl, int mmu_idx, uint64_t prim_context, uint64_t sec_context, uint64_t address) -{ -} - -static inline void trace_mmu_helper_mmu_fault(uint64_t address, uint64_t paddr, int mmu_idx, uint32_t tl, uint64_t prim_context, uint64_t sec_context) -{ -} - -static inline void trace_int_helper_set_softint(uint32_t softint) -{ -} - -static inline void trace_int_helper_clear_softint(uint32_t softint) -{ -} - -static inline void trace_int_helper_write_softint(uint32_t softint) -{ -} - -static inline void trace_int_helper_icache_freeze(void) -{ -} - -static inline void trace_int_helper_dcache_freeze(void) -{ -} - -static inline void trace_win_helper_gregset_error(uint32_t pstate) -{ -} - -static inline void trace_win_helper_switch_pstate(uint32_t pstate_regs, uint32_t new_pstate_regs) -{ -} - -static inline void trace_win_helper_no_switch_pstate(uint32_t new_pstate_regs) -{ -} - -static inline void trace_win_helper_wrpil(uint32_t psrpil, uint32_t new_pil) -{ -} - -static inline void trace_win_helper_done(uint32_t tl) -{ -} - -static inline void trace_win_helper_retry(uint32_t tl) -{ -} - -static inline void trace_dma_bdrv_io(void * dbs, void * bs, int64_t sector_num, bool to_dev) -{ -} - -static inline void trace_dma_aio_cancel(void * dbs) -{ -} - -static inline void trace_dma_complete(void * dbs, int ret, void * cb) -{ -} - -static inline void trace_dma_bdrv_cb(void * dbs, int ret) -{ -} - -static inline void trace_dma_map_wait(void * dbs) -{ -} - -static inline void trace_console_gfx_new(void) -{ -} - -static inline void trace_console_txt_new(int w, int h) -{ -} - -static inline void trace_console_select(int nr) -{ -} - -static inline void trace_console_refresh(int interval) -{ -} - -static inline void trace_displaysurface_create(void * display_surface, int w, int h) -{ -} - -static inline void trace_displaysurface_create_from(void * display_surface, int w, int h, int bpp, int swap) -{ -} - -static inline void trace_displaysurface_free(void * display_surface) -{ -} - -static inline void trace_displaychangelistener_register(void * dcl, const char * name) -{ -} - -static inline void trace_displaychangelistener_unregister(void * dcl, const char * name) -{ -} - -static inline void trace_ppm_save(const char * filename, void * display_surface) -{ -} - -static inline void trace_vmware_value_read(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_value_write(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_palette_read(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_palette_write(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_scratch_read(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_scratch_write(uint32_t index, uint32_t value) -{ -} - -static inline void trace_vmware_setmode(uint32_t w, uint32_t h, uint32_t bpp) -{ -} - -static inline void trace_savevm_section_start(void) -{ -} - -static inline void trace_savevm_section_end(unsigned int section_id) -{ -} - -static inline void trace_migration_bitmap_sync_start(void) -{ -} - -static inline void trace_migration_bitmap_sync_end(uint64_t dirty_pages) -{ -} - -static inline void trace_migration_throttle(void) -{ -} - -static inline void trace_qxl_create_guest_primary(int qid, uint32_t width, uint32_t height, uint64_t mem, uint32_t format, uint32_t position) -{ -} - -static inline void trace_qxl_create_guest_primary_rest(int qid, int32_t stride, uint32_t type, uint32_t flags) -{ -} - -static inline void trace_qxl_destroy_primary(int qid) -{ -} - -static inline void trace_qxl_enter_vga_mode(int qid) -{ -} - -static inline void trace_qxl_exit_vga_mode(int qid) -{ -} - -static inline void trace_qxl_hard_reset(int qid, int64_t loadvm) -{ -} - -static inline void trace_qxl_interface_async_complete_io(int qid, uint32_t current_async, void * cookie) -{ -} - -static inline void trace_qxl_interface_attach_worker(int qid) -{ -} - -static inline void trace_qxl_interface_get_init_info(int qid) -{ -} - -static inline void trace_qxl_interface_set_compression_level(int qid, int64_t level) -{ -} - -static inline void trace_qxl_interface_update_area_complete(int qid, uint32_t surface_id, uint32_t dirty_left, uint32_t dirty_right, uint32_t dirty_top, uint32_t dirty_bottom) -{ -} - -static inline void trace_qxl_interface_update_area_complete_rest(int qid, uint32_t num_updated_rects) -{ -} - -static inline void trace_qxl_interface_update_area_complete_overflow(int qid, int max) -{ -} - -static inline void trace_qxl_interface_update_area_complete_schedule_bh(int qid, uint32_t num_dirty) -{ -} - -static inline void trace_qxl_io_destroy_primary_ignored(int qid, const char * mode) -{ -} - -static inline void trace_qxl_io_log(int qid, const uint8_t * log_buf) -{ -} - -static inline void trace_qxl_io_read_unexpected(int qid) -{ -} - -static inline void trace_qxl_io_unexpected_vga_mode(int qid, uint64_t addr, uint64_t val, const char * desc) -{ -} - -static inline void trace_qxl_io_write(int qid, const char * mode, uint64_t addr, uint64_t val, unsigned size, int async) -{ -} - -static inline void trace_qxl_memslot_add_guest(int qid, uint32_t slot_id, uint64_t guest_start, uint64_t guest_end) -{ -} - -static inline void trace_qxl_post_load(int qid, const char * mode) -{ -} - -static inline void trace_qxl_pre_load(int qid) -{ -} - -static inline void trace_qxl_pre_save(int qid) -{ -} - -static inline void trace_qxl_reset_surfaces(int qid) -{ -} - -static inline void trace_qxl_ring_command_check(int qid, const char * mode) -{ -} - -static inline void trace_qxl_ring_command_get(int qid, const char * mode) -{ -} - -static inline void trace_qxl_ring_command_req_notification(int qid) -{ -} - -static inline void trace_qxl_ring_cursor_check(int qid, const char * mode) -{ -} - -static inline void trace_qxl_ring_cursor_get(int qid, const char * mode) -{ -} - -static inline void trace_qxl_ring_cursor_req_notification(int qid) -{ -} - -static inline void trace_qxl_ring_res_push(int qid, const char * mode, uint32_t surface_count, uint32_t free_res, void * last_release, const char * notify) -{ -} - -static inline void trace_qxl_ring_res_push_rest(int qid, uint32_t ring_has, uint32_t ring_size, uint32_t prod, uint32_t cons) -{ -} - -static inline void trace_qxl_ring_res_put(int qid, uint32_t free_res) -{ -} - -static inline void trace_qxl_set_mode(int qid, int modenr, uint32_t x_res, uint32_t y_res, uint32_t bits, uint64_t devmem) -{ -} - -static inline void trace_qxl_soft_reset(int qid) -{ -} - -static inline void trace_qemu_spice_add_memslot(int qid, uint32_t slot_id, unsigned long virt_start, unsigned long virt_end, int async) -{ -} - -static inline void trace_qemu_spice_del_memslot(int qid, uint32_t gid, uint32_t slot_id) -{ -} - -static inline void trace_qemu_spice_create_primary_surface(int qid, uint32_t sid, void * surface, int async) -{ -} - -static inline void trace_qemu_spice_destroy_primary_surface(int qid, uint32_t sid, int async) -{ -} - -static inline void trace_qemu_spice_wakeup(uint32_t qid) -{ -} - -static inline void trace_qemu_spice_start(uint32_t qid) -{ -} - -static inline void trace_qemu_spice_stop(uint32_t qid) -{ -} - -static inline void trace_qemu_spice_create_update(uint32_t left, uint32_t right, uint32_t top, uint32_t bottom) -{ -} - -static inline void trace_qxl_spice_destroy_surfaces_complete(int qid) -{ -} - -static inline void trace_qxl_spice_destroy_surfaces(int qid, int async) -{ -} - -static inline void trace_qxl_spice_destroy_surface_wait_complete(int qid, uint32_t id) -{ -} - -static inline void trace_qxl_spice_destroy_surface_wait(int qid, uint32_t id, int async) -{ -} - -static inline void trace_qxl_spice_flush_surfaces_async(int qid, uint32_t surface_count, uint32_t num_free_res) -{ -} - -static inline void trace_qxl_spice_monitors_config(int qid) -{ -} - -static inline void trace_qxl_spice_loadvm_commands(int qid, void * ext, uint32_t count) -{ -} - -static inline void trace_qxl_spice_oom(int qid) -{ -} - -static inline void trace_qxl_spice_reset_cursor(int qid) -{ -} - -static inline void trace_qxl_spice_reset_image_cache(int qid) -{ -} - -static inline void trace_qxl_spice_reset_memslots(int qid) -{ -} - -static inline void trace_qxl_spice_update_area(int qid, uint32_t surface_id, uint32_t left, uint32_t right, uint32_t top, uint32_t bottom) -{ -} - -static inline void trace_qxl_spice_update_area_rest(int qid, uint32_t num_dirty_rects, uint32_t clear_dirty_region) -{ -} - -static inline void trace_qxl_surfaces_dirty(int qid, int surface, int offset, int size) -{ -} - -static inline void trace_qxl_send_events(int qid, uint32_t events) -{ -} - -static inline void trace_qxl_send_events_vm_stopped(int qid, uint32_t events) -{ -} - -static inline void trace_qxl_set_guest_bug(int qid) -{ -} - -static inline void trace_qxl_interrupt_client_monitors_config(int qid, int num_heads, void * heads) -{ -} - -static inline void trace_qxl_client_monitors_config_unsupported_by_guest(int qid, uint32_t int_mask, void * client_monitors_config) -{ -} - -static inline void trace_qxl_client_monitors_config_unsupported_by_device(int qid, int revision) -{ -} - -static inline void trace_qxl_client_monitors_config_capped(int qid, int requested, int limit) -{ -} - -static inline void trace_qxl_client_monitors_config_crc(int qid, unsigned size, uint32_t crc32) -{ -} - -static inline void trace_qxl_set_client_capabilities_unsupported_by_revision(int qid, int revision) -{ -} - -static inline void trace_qxl_render_blit_guest_primary_initialized(void) -{ -} - -static inline void trace_qxl_render_blit(int32_t stride, int32_t left, int32_t right, int32_t top, int32_t bottom) -{ -} - -static inline void trace_qxl_render_guest_primary_resized(int32_t width, int32_t height, int32_t stride, int32_t bytes_pp, int32_t bits_pp) -{ -} - -static inline void trace_qxl_render_update_area_done(void * cookie) -{ -} - -static inline void trace_spapr_pci_msi(const char * msg, uint32_t n, uint32_t ca) -{ -} - -static inline void trace_spapr_pci_msi_setup(const char * name, unsigned vector, uint64_t addr) -{ -} - -static inline void trace_spapr_pci_rtas_ibm_change_msi(unsigned func, unsigned req) -{ -} - -static inline void trace_spapr_pci_rtas_ibm_query_interrupt_source_number(unsigned ioa, unsigned intr) -{ -} - -static inline void trace_spapr_pci_msi_write(uint64_t addr, uint64_t data, uint32_t dt_irq) -{ -} - -static inline void trace_spapr_pci_lsi_set(const char * busname, int pin, uint32_t irq) -{ -} - -static inline void trace_xics_icp_check_ipi(int server, uint8_t mfrr) -{ -} - -static inline void trace_xics_icp_accept(uint32_t old_xirr, uint32_t new_xirr) -{ -} - -static inline void trace_xics_icp_eoi(int server, uint32_t xirr, uint32_t new_xirr) -{ -} - -static inline void trace_xics_icp_irq(int server, int nr, uint8_t priority) -{ -} - -static inline void trace_xics_icp_raise(uint32_t xirr, uint8_t pending_priority) -{ -} - -static inline void trace_xics_set_irq_msi(int srcno, int nr) -{ -} - -static inline void trace_xics_masked_pending(void) -{ -} - -static inline void trace_xics_set_irq_lsi(int srcno, int nr) -{ -} - -static inline void trace_xics_ics_write_xive(int nr, int srcno, int server, uint8_t priority) -{ -} - -static inline void trace_xics_ics_reject(int nr, int srcno) -{ -} - -static inline void trace_xics_ics_eoi(int nr) -{ -} - -static inline void trace_hbitmap_iter_skip_words(const void * hb, void * hbi, uint64_t pos, unsigned long cur) -{ -} - -static inline void trace_hbitmap_reset(void * hb, uint64_t start, uint64_t count, uint64_t sbit, uint64_t ebit) -{ -} - -static inline void trace_hbitmap_set(void * hb, uint64_t start, uint64_t count, uint64_t sbit, uint64_t ebit) -{ -} - -static inline void trace_ioinst(const char * insn) -{ -} - -static inline void trace_ioinst_sch_id(const char * insn, int cssid, int ssid, int schid) -{ -} - -static inline void trace_ioinst_chp_id(const char * insn, int cssid, int chpid) -{ -} - -static inline void trace_ioinst_chsc_cmd(uint16_t cmd, uint16_t len) -{ -} - -static inline void trace_css_enable_facility(const char * facility) -{ -} - -static inline void trace_css_crw(uint8_t rsc, uint8_t erc, uint16_t rsid, const char * chained) -{ -} - -static inline void trace_css_chpid_add(uint8_t cssid, uint8_t chpid, uint8_t type) -{ -} - -static inline void trace_css_new_image(uint8_t cssid, const char * default_cssid) -{ -} - -static inline void trace_css_assign_subch(const char * do_assign, uint8_t cssid, uint8_t ssid, uint16_t schid, uint16_t devno) -{ -} - -static inline void trace_css_io_interrupt(int cssid, int ssid, int schid, uint32_t intparm, uint8_t isc, const char * conditional) -{ -} - -static inline void trace_virtio_ccw_interpret_ccw(int cssid, int ssid, int schid, int cmd_code) -{ -} - -static inline void trace_virtio_ccw_new_device(int cssid, int ssid, int schid, int devno, const char * devno_mode) -{ -} - -static inline void trace_migrate_set_state(int new_state) -{ -} - -static inline void trace_kvm_ioctl(int type, void * arg) -{ -} - -static inline void trace_kvm_vm_ioctl(int type, void * arg) -{ -} - -static inline void trace_kvm_vcpu_ioctl(int cpu_index, int type, void * arg) -{ -} - -static inline void trace_kvm_run_exit(int cpu_index, uint32_t reason) -{ -} - -static inline void trace_object_dynamic_cast_assert(const char * type, const char * target, const char * file, int line, const char * func) -{ -} - -static inline void trace_object_class_dynamic_cast_assert(const char * type, const char * target, const char * file, int line, const char * func) -{ -} -#endif /* TRACE__GENERATED_TRACERS_H */ diff --git a/contrib/qemu/util/aes.c b/contrib/qemu/util/aes.c deleted file mode 100644 index 91e97fa6e7f..00000000000 --- a/contrib/qemu/util/aes.c +++ /dev/null @@ -1,1314 +0,0 @@ -/** - * - * aes.c - integrated in QEMU by Fabrice Bellard from the OpenSSL project. - */ -/* - * rijndael-alg-fst.c - * - * @version 3.0 (December 2000) - * - * Optimised ANSI C code for the Rijndael cipher (now AES) - * - * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> - * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> - * @author Paulo Barreto <paulo.barreto@terra.com.br> - * - * This code is hereby placed in the public domain. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "qemu-common.h" -#include "qemu/aes.h" - -#ifndef NDEBUG -#define NDEBUG -#endif - -typedef uint32_t u32; -typedef uint16_t u16; -typedef uint8_t u8; - -/* This controls loop-unrolling in aes_core.c */ -#undef FULL_UNROLL -# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3])) -# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); } - -/* -AES_Te0[x] = S [x].[02, 01, 01, 03]; -AES_Te1[x] = S [x].[03, 02, 01, 01]; -AES_Te2[x] = S [x].[01, 03, 02, 01]; -AES_Te3[x] = S [x].[01, 01, 03, 02]; -AES_Te4[x] = S [x].[01, 01, 01, 01]; - -AES_Td0[x] = Si[x].[0e, 09, 0d, 0b]; -AES_Td1[x] = Si[x].[0b, 0e, 09, 0d]; -AES_Td2[x] = Si[x].[0d, 0b, 0e, 09]; -AES_Td3[x] = Si[x].[09, 0d, 0b, 0e]; -AES_Td4[x] = Si[x].[01, 01, 01, 01]; -*/ - -const uint32_t AES_Te0[256] = { - 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, - 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, - 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU, - 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU, - 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, - 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, - 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, - 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU, - 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU, - 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, - 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, - 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU, - 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU, - 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U, - 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, - 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, - 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, - 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU, - 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU, - 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, - 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, - 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, - 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU, - 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU, - 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, - 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, - 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, - 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U, - 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU, - 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, - 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, - 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, - 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU, - 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U, - 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, - 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, - 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, - 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U, - 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU, - 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, - 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, - 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, - 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U, - 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU, - 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, - 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, - 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, - 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U, - 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U, - 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, - 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, - 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, - 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU, - 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U, - 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, - 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, - 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U, - 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U, - 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U, - 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, - 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, - 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, - 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U, - 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU, -}; -const uint32_t AES_Te1[256] = { - 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, - 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, - 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU, - 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U, - 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, - 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, - 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, - 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U, - 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U, - 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, - 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, - 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, - 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U, - 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU, - 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, - 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, - 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, - 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U, - 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U, - 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, - 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, - 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, - 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U, - 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU, - 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, - 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, - 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, - 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U, - 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU, - 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, - 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, - 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, - 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU, - 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U, - 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, - 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, - 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, - 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U, - 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U, - 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, - 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, - 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, - 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U, - 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U, - 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, - 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, - 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, - 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U, - 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU, - 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, - 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, - 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, - 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U, - 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU, - 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, - 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, - 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, - 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U, - 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U, - 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, - 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, - 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, - 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU, - 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U, -}; -const uint32_t AES_Te2[256] = { - 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, - 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, - 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU, - 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U, - 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, - 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, - 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, - 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U, - 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U, - 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, - 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, - 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U, - 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U, - 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU, - 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, - 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, - 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, - 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U, - 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U, - 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, - 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, - 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, - 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U, - 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU, - 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, - 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, - 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, - 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U, - 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU, - 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, - 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, - 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, - 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU, - 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U, - 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, - 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, - 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, - 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U, - 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U, - 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, - 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, - 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, - 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U, - 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U, - 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, - 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, - 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, - 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U, - 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU, - 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, - 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, - 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, - 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U, - 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU, - 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, - 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, - 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U, - 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U, - 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U, - 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, - 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, - 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, - 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU, - 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U, -}; -const uint32_t AES_Te3[256] = { - - 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, - 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, - 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U, - 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU, - 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, - 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, - 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, - 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU, - 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU, - 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, - 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, - 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU, - 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU, - 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU, - 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, - 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, - 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, - 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU, - 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU, - 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, - 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, - 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, - 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U, - 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U, - 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, - 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, - 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, - 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU, - 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U, - 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, - 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, - 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, - 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U, - 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU, - 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, - 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, - 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, - 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU, - 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U, - 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, - 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, - 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, - 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U, - 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U, - 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, - 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, - 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, - 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U, - 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU, - 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, - 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, - 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, - 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU, - 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU, - 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, - 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, - 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U, - 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U, - 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U, - 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, - 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, - 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, - 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU, - 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU, -}; -const uint32_t AES_Te4[256] = { - 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU, - 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U, - 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU, - 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U, - 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU, - 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U, - 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU, - 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U, - 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U, - 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU, - 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U, - 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U, - 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U, - 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU, - 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U, - 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U, - 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU, - 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U, - 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U, - 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U, - 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU, - 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU, - 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U, - 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU, - 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU, - 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U, - 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU, - 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U, - 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU, - 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U, - 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U, - 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U, - 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU, - 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U, - 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU, - 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U, - 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU, - 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U, - 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U, - 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU, - 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU, - 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU, - 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U, - 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U, - 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU, - 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U, - 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU, - 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U, - 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU, - 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U, - 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU, - 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU, - 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U, - 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU, - 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U, - 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU, - 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U, - 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U, - 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U, - 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU, - 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU, - 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U, - 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU, - 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U, -}; -const uint32_t AES_Td0[256] = { - 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, - 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, - 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U, - 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU, - 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, - 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, - 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU, - 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U, - 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU, - 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, - 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, - 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, - 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U, - 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU, - 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, - 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, - 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, - 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU, - 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U, - 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, - 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, - 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU, - 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U, - 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU, - 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, - 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, - 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U, - 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU, - 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU, - 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, - 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, - 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, - 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU, - 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U, - 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, - 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, - 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, - 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U, - 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U, - 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, - 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, - 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, - 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U, - 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U, - 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, - 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, - 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, - 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U, - 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U, - 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, - 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, - 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, - 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU, - 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU, - 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, - 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, - 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, - 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU, - 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU, - 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, - 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, - 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U, - 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U, - 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U, -}; -const uint32_t AES_Td1[256] = { - 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, - 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U, - 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU, - 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U, - 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, - 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, - 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U, - 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U, - 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U, - 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, - 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, - 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, - 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U, - 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU, - 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, - 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, - 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, - 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU, - 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU, - 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, - 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, - 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U, - 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU, - 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU, - 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, - 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, - 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U, - 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU, - 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U, - 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, - 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, - 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, - 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U, - 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU, - 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, - 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, - 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, - 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U, - 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U, - 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, - 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, - 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, - 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U, - 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU, - 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, - 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, - 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, - 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U, - 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU, - 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, - 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, - 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, - 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U, - 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U, - 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, - 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, - 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, - 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U, - 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U, - 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, - 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, - 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, - 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U, - 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U, -}; -const uint32_t AES_Td2[256] = { - 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, - 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, - 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U, - 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U, - 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, - 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, - 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, - 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U, - 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U, - 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, - 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, - 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, - 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU, - 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U, - 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, - 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, - 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, - 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U, - 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U, - 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, - - 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, - 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, - 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U, - 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U, - 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, - 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, - 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU, - 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U, - 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU, - 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, - 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, - 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, - 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU, - 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU, - 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, - 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, - 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, - 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U, - 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U, - 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, - 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, - 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, - 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU, - 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U, - 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, - 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, - 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, - 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U, - 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U, - 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, - 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, - 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, - 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U, - 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U, - 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, - 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, - 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, - 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U, - 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U, - 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, - 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, - 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, - 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U, - 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U, -}; -const uint32_t AES_Td3[256] = { - 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, - 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, - 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U, - 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U, - 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, - 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, - 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, - 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU, - 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U, - 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, - 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, - 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, - 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U, - 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U, - 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, - 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, - 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, - 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U, - 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U, - 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, - 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, - 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, - 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U, - 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U, - 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, - 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, - 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U, - 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U, - 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU, - 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, - 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, - 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, - 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U, - 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU, - 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, - 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, - 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, - 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U, - 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U, - 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, - 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, - 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, - 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U, - 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U, - 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, - 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, - 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, - 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU, - 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U, - 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, - 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, - 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, - 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U, - 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U, - 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, - 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, - 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, - 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU, - 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U, - 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, - 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, - 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, - 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U, - 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U, -}; -const uint32_t AES_Td4[256] = { - 0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U, - 0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U, - 0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU, - 0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU, - 0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U, - 0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U, - 0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U, - 0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU, - 0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U, - 0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU, - 0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU, - 0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU, - 0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U, - 0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U, - 0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U, - 0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U, - 0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U, - 0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U, - 0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU, - 0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U, - 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U, - 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU, - 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U, - 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U, - 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U, - 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU, - 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U, - 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U, - 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU, - 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U, - 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U, - 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU, - 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U, - 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU, - 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU, - 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U, - 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U, - 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U, - 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U, - 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU, - 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U, - 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U, - 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU, - 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU, - 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU, - 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U, - 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU, - 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U, - 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U, - 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U, - 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U, - 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU, - 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U, - 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU, - 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU, - 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU, - 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU, - 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U, - 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU, - 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U, - 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU, - 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U, - 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U, - 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU, -}; -static const u32 rcon[] = { - 0x01000000, 0x02000000, 0x04000000, 0x08000000, - 0x10000000, 0x20000000, 0x40000000, 0x80000000, - 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */ -}; - -/** - * Expand the cipher key into the encryption key schedule. - */ -int AES_set_encrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key) { - - u32 *rk; - int i = 0; - u32 temp; - - if (!userKey || !key) - return -1; - if (bits != 128 && bits != 192 && bits != 256) - return -2; - - rk = key->rd_key; - - if (bits==128) - key->rounds = 10; - else if (bits==192) - key->rounds = 12; - else - key->rounds = 14; - - rk[0] = GETU32(userKey ); - rk[1] = GETU32(userKey + 4); - rk[2] = GETU32(userKey + 8); - rk[3] = GETU32(userKey + 12); - if (bits == 128) { - while (1) { - temp = rk[3]; - rk[4] = rk[0] ^ - (AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^ - (AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[5] = rk[1] ^ rk[4]; - rk[6] = rk[2] ^ rk[5]; - rk[7] = rk[3] ^ rk[6]; - if (++i == 10) { - return 0; - } - rk += 4; - } - } - rk[4] = GETU32(userKey + 16); - rk[5] = GETU32(userKey + 20); - if (bits == 192) { - while (1) { - temp = rk[ 5]; - rk[ 6] = rk[ 0] ^ - (AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^ - (AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[ 7] = rk[ 1] ^ rk[ 6]; - rk[ 8] = rk[ 2] ^ rk[ 7]; - rk[ 9] = rk[ 3] ^ rk[ 8]; - if (++i == 8) { - return 0; - } - rk[10] = rk[ 4] ^ rk[ 9]; - rk[11] = rk[ 5] ^ rk[10]; - rk += 6; - } - } - rk[6] = GETU32(userKey + 24); - rk[7] = GETU32(userKey + 28); - if (bits == 256) { - while (1) { - temp = rk[ 7]; - rk[ 8] = rk[ 0] ^ - (AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^ - (AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(temp >> 24) ] & 0x000000ff) ^ - rcon[i]; - rk[ 9] = rk[ 1] ^ rk[ 8]; - rk[10] = rk[ 2] ^ rk[ 9]; - rk[11] = rk[ 3] ^ rk[10]; - if (++i == 7) { - return 0; - } - temp = rk[11]; - rk[12] = rk[ 4] ^ - (AES_Te4[(temp >> 24) ] & 0xff000000) ^ - (AES_Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(temp >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(temp ) & 0xff] & 0x000000ff); - rk[13] = rk[ 5] ^ rk[12]; - rk[14] = rk[ 6] ^ rk[13]; - rk[15] = rk[ 7] ^ rk[14]; - - rk += 8; - } - } - return 0; -} - -/** - * Expand the cipher key into the decryption key schedule. - */ -int AES_set_decrypt_key(const unsigned char *userKey, const int bits, - AES_KEY *key) { - - u32 *rk; - int i, j, status; - u32 temp; - - /* first, start with an encryption schedule */ - status = AES_set_encrypt_key(userKey, bits, key); - if (status < 0) - return status; - - rk = key->rd_key; - - /* invert the order of the round keys: */ - for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) { - temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp; - temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp; - temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp; - temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp; - } - /* apply the inverse MixColumn transform to all round keys but the first and the last: */ - for (i = 1; i < (key->rounds); i++) { - rk += 4; - rk[0] = - AES_Td0[AES_Te4[(rk[0] >> 24) ] & 0xff] ^ - AES_Td1[AES_Te4[(rk[0] >> 16) & 0xff] & 0xff] ^ - AES_Td2[AES_Te4[(rk[0] >> 8) & 0xff] & 0xff] ^ - AES_Td3[AES_Te4[(rk[0] ) & 0xff] & 0xff]; - rk[1] = - AES_Td0[AES_Te4[(rk[1] >> 24) ] & 0xff] ^ - AES_Td1[AES_Te4[(rk[1] >> 16) & 0xff] & 0xff] ^ - AES_Td2[AES_Te4[(rk[1] >> 8) & 0xff] & 0xff] ^ - AES_Td3[AES_Te4[(rk[1] ) & 0xff] & 0xff]; - rk[2] = - AES_Td0[AES_Te4[(rk[2] >> 24) ] & 0xff] ^ - AES_Td1[AES_Te4[(rk[2] >> 16) & 0xff] & 0xff] ^ - AES_Td2[AES_Te4[(rk[2] >> 8) & 0xff] & 0xff] ^ - AES_Td3[AES_Te4[(rk[2] ) & 0xff] & 0xff]; - rk[3] = - AES_Td0[AES_Te4[(rk[3] >> 24) ] & 0xff] ^ - AES_Td1[AES_Te4[(rk[3] >> 16) & 0xff] & 0xff] ^ - AES_Td2[AES_Te4[(rk[3] >> 8) & 0xff] & 0xff] ^ - AES_Td3[AES_Te4[(rk[3] ) & 0xff] & 0xff]; - } - return 0; -} - -#ifndef AES_ASM -/* - * Encrypt a single block - * in and out can overlap - */ -void AES_encrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key) { - - const u32 *rk; - u32 s0, s1, s2, s3, t0, t1, t2, t3; -#ifndef FULL_UNROLL - int r; -#endif /* ?FULL_UNROLL */ - - assert(in && out && key); - rk = key->rd_key; - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(in ) ^ rk[0]; - s1 = GETU32(in + 4) ^ rk[1]; - s2 = GETU32(in + 8) ^ rk[2]; - s3 = GETU32(in + 12) ^ rk[3]; -#ifdef FULL_UNROLL - /* round 1: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[ 4]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[ 5]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[ 6]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[ 7]; - /* round 2: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[ 8]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[ 9]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[10]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[11]; - /* round 3: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[12]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[13]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[14]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[15]; - /* round 4: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[16]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[17]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[18]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[19]; - /* round 5: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[20]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[21]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[22]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[23]; - /* round 6: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[24]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[25]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[26]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[27]; - /* round 7: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[28]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[29]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[30]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[31]; - /* round 8: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[32]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[33]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[34]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[35]; - /* round 9: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[36]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[37]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[38]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[39]; - if (key->rounds > 10) { - /* round 10: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[40]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[41]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[42]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[43]; - /* round 11: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[44]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[45]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[46]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[47]; - if (key->rounds > 12) { - /* round 12: */ - s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[48]; - s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[49]; - s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[50]; - s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[51]; - /* round 13: */ - t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[52]; - t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[53]; - t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[54]; - t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[55]; - } - } - rk += key->rounds << 2; -#else /* !FULL_UNROLL */ - /* - * Nr - 1 full rounds: - */ - r = key->rounds >> 1; - for (;;) { - t0 = - AES_Te0[(s0 >> 24) ] ^ - AES_Te1[(s1 >> 16) & 0xff] ^ - AES_Te2[(s2 >> 8) & 0xff] ^ - AES_Te3[(s3 ) & 0xff] ^ - rk[4]; - t1 = - AES_Te0[(s1 >> 24) ] ^ - AES_Te1[(s2 >> 16) & 0xff] ^ - AES_Te2[(s3 >> 8) & 0xff] ^ - AES_Te3[(s0 ) & 0xff] ^ - rk[5]; - t2 = - AES_Te0[(s2 >> 24) ] ^ - AES_Te1[(s3 >> 16) & 0xff] ^ - AES_Te2[(s0 >> 8) & 0xff] ^ - AES_Te3[(s1 ) & 0xff] ^ - rk[6]; - t3 = - AES_Te0[(s3 >> 24) ] ^ - AES_Te1[(s0 >> 16) & 0xff] ^ - AES_Te2[(s1 >> 8) & 0xff] ^ - AES_Te3[(s2 ) & 0xff] ^ - rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = - AES_Te0[(t0 >> 24) ] ^ - AES_Te1[(t1 >> 16) & 0xff] ^ - AES_Te2[(t2 >> 8) & 0xff] ^ - AES_Te3[(t3 ) & 0xff] ^ - rk[0]; - s1 = - AES_Te0[(t1 >> 24) ] ^ - AES_Te1[(t2 >> 16) & 0xff] ^ - AES_Te2[(t3 >> 8) & 0xff] ^ - AES_Te3[(t0 ) & 0xff] ^ - rk[1]; - s2 = - AES_Te0[(t2 >> 24) ] ^ - AES_Te1[(t3 >> 16) & 0xff] ^ - AES_Te2[(t0 >> 8) & 0xff] ^ - AES_Te3[(t1 ) & 0xff] ^ - rk[2]; - s3 = - AES_Te0[(t3 >> 24) ] ^ - AES_Te1[(t0 >> 16) & 0xff] ^ - AES_Te2[(t1 >> 8) & 0xff] ^ - AES_Te3[(t2 ) & 0xff] ^ - rk[3]; - } -#endif /* ?FULL_UNROLL */ - /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (AES_Te4[(t0 >> 24) ] & 0xff000000) ^ - (AES_Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(t2 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(t3 ) & 0xff] & 0x000000ff) ^ - rk[0]; - PUTU32(out , s0); - s1 = - (AES_Te4[(t1 >> 24) ] & 0xff000000) ^ - (AES_Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(t3 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(t0 ) & 0xff] & 0x000000ff) ^ - rk[1]; - PUTU32(out + 4, s1); - s2 = - (AES_Te4[(t2 >> 24) ] & 0xff000000) ^ - (AES_Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(t0 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(t1 ) & 0xff] & 0x000000ff) ^ - rk[2]; - PUTU32(out + 8, s2); - s3 = - (AES_Te4[(t3 >> 24) ] & 0xff000000) ^ - (AES_Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Te4[(t1 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Te4[(t2 ) & 0xff] & 0x000000ff) ^ - rk[3]; - PUTU32(out + 12, s3); -} - -/* - * Decrypt a single block - * in and out can overlap - */ -void AES_decrypt(const unsigned char *in, unsigned char *out, - const AES_KEY *key) { - - const u32 *rk; - u32 s0, s1, s2, s3, t0, t1, t2, t3; -#ifndef FULL_UNROLL - int r; -#endif /* ?FULL_UNROLL */ - - assert(in && out && key); - rk = key->rd_key; - - /* - * map byte array block to cipher state - * and add initial round key: - */ - s0 = GETU32(in ) ^ rk[0]; - s1 = GETU32(in + 4) ^ rk[1]; - s2 = GETU32(in + 8) ^ rk[2]; - s3 = GETU32(in + 12) ^ rk[3]; -#ifdef FULL_UNROLL - /* round 1: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[ 4]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[ 5]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[ 6]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[ 7]; - /* round 2: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[ 8]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[ 9]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[10]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[11]; - /* round 3: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[12]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[13]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[14]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[15]; - /* round 4: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[16]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[17]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[18]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[19]; - /* round 5: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[20]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[21]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[22]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[23]; - /* round 6: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[24]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[25]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[26]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[27]; - /* round 7: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[28]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[29]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[30]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[31]; - /* round 8: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[32]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[33]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[34]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[35]; - /* round 9: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[36]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[37]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[38]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[39]; - if (key->rounds > 10) { - /* round 10: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[40]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[41]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[42]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[43]; - /* round 11: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[44]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[45]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[46]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[47]; - if (key->rounds > 12) { - /* round 12: */ - s0 = AES_Td0[t0 >> 24] ^ AES_Td1[(t3 >> 16) & 0xff] ^ AES_Td2[(t2 >> 8) & 0xff] ^ AES_Td3[t1 & 0xff] ^ rk[48]; - s1 = AES_Td0[t1 >> 24] ^ AES_Td1[(t0 >> 16) & 0xff] ^ AES_Td2[(t3 >> 8) & 0xff] ^ AES_Td3[t2 & 0xff] ^ rk[49]; - s2 = AES_Td0[t2 >> 24] ^ AES_Td1[(t1 >> 16) & 0xff] ^ AES_Td2[(t0 >> 8) & 0xff] ^ AES_Td3[t3 & 0xff] ^ rk[50]; - s3 = AES_Td0[t3 >> 24] ^ AES_Td1[(t2 >> 16) & 0xff] ^ AES_Td2[(t1 >> 8) & 0xff] ^ AES_Td3[t0 & 0xff] ^ rk[51]; - /* round 13: */ - t0 = AES_Td0[s0 >> 24] ^ AES_Td1[(s3 >> 16) & 0xff] ^ AES_Td2[(s2 >> 8) & 0xff] ^ AES_Td3[s1 & 0xff] ^ rk[52]; - t1 = AES_Td0[s1 >> 24] ^ AES_Td1[(s0 >> 16) & 0xff] ^ AES_Td2[(s3 >> 8) & 0xff] ^ AES_Td3[s2 & 0xff] ^ rk[53]; - t2 = AES_Td0[s2 >> 24] ^ AES_Td1[(s1 >> 16) & 0xff] ^ AES_Td2[(s0 >> 8) & 0xff] ^ AES_Td3[s3 & 0xff] ^ rk[54]; - t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[55]; - } - } - rk += key->rounds << 2; -#else /* !FULL_UNROLL */ - /* - * Nr - 1 full rounds: - */ - r = key->rounds >> 1; - for (;;) { - t0 = - AES_Td0[(s0 >> 24) ] ^ - AES_Td1[(s3 >> 16) & 0xff] ^ - AES_Td2[(s2 >> 8) & 0xff] ^ - AES_Td3[(s1 ) & 0xff] ^ - rk[4]; - t1 = - AES_Td0[(s1 >> 24) ] ^ - AES_Td1[(s0 >> 16) & 0xff] ^ - AES_Td2[(s3 >> 8) & 0xff] ^ - AES_Td3[(s2 ) & 0xff] ^ - rk[5]; - t2 = - AES_Td0[(s2 >> 24) ] ^ - AES_Td1[(s1 >> 16) & 0xff] ^ - AES_Td2[(s0 >> 8) & 0xff] ^ - AES_Td3[(s3 ) & 0xff] ^ - rk[6]; - t3 = - AES_Td0[(s3 >> 24) ] ^ - AES_Td1[(s2 >> 16) & 0xff] ^ - AES_Td2[(s1 >> 8) & 0xff] ^ - AES_Td3[(s0 ) & 0xff] ^ - rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = - AES_Td0[(t0 >> 24) ] ^ - AES_Td1[(t3 >> 16) & 0xff] ^ - AES_Td2[(t2 >> 8) & 0xff] ^ - AES_Td3[(t1 ) & 0xff] ^ - rk[0]; - s1 = - AES_Td0[(t1 >> 24) ] ^ - AES_Td1[(t0 >> 16) & 0xff] ^ - AES_Td2[(t3 >> 8) & 0xff] ^ - AES_Td3[(t2 ) & 0xff] ^ - rk[1]; - s2 = - AES_Td0[(t2 >> 24) ] ^ - AES_Td1[(t1 >> 16) & 0xff] ^ - AES_Td2[(t0 >> 8) & 0xff] ^ - AES_Td3[(t3 ) & 0xff] ^ - rk[2]; - s3 = - AES_Td0[(t3 >> 24) ] ^ - AES_Td1[(t2 >> 16) & 0xff] ^ - AES_Td2[(t1 >> 8) & 0xff] ^ - AES_Td3[(t0 ) & 0xff] ^ - rk[3]; - } -#endif /* ?FULL_UNROLL */ - /* - * apply last round and - * map cipher state to byte array block: - */ - s0 = - (AES_Td4[(t0 >> 24) ] & 0xff000000) ^ - (AES_Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Td4[(t1 ) & 0xff] & 0x000000ff) ^ - rk[0]; - PUTU32(out , s0); - s1 = - (AES_Td4[(t1 >> 24) ] & 0xff000000) ^ - (AES_Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Td4[(t2 ) & 0xff] & 0x000000ff) ^ - rk[1]; - PUTU32(out + 4, s1); - s2 = - (AES_Td4[(t2 >> 24) ] & 0xff000000) ^ - (AES_Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Td4[(t3 ) & 0xff] & 0x000000ff) ^ - rk[2]; - PUTU32(out + 8, s2); - s3 = - (AES_Td4[(t3 >> 24) ] & 0xff000000) ^ - (AES_Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^ - (AES_Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^ - (AES_Td4[(t0 ) & 0xff] & 0x000000ff) ^ - rk[3]; - PUTU32(out + 12, s3); -} - -#endif /* AES_ASM */ - -void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, - const unsigned long length, const AES_KEY *key, - unsigned char *ivec, const int enc) -{ - - unsigned long n; - unsigned long len = length; - unsigned char tmp[AES_BLOCK_SIZE]; - - assert(in && out && key && ivec); - - if (enc) { - while (len >= AES_BLOCK_SIZE) { - for(n=0; n < AES_BLOCK_SIZE; ++n) - tmp[n] = in[n] ^ ivec[n]; - AES_encrypt(tmp, out, key); - memcpy(ivec, out, AES_BLOCK_SIZE); - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - for(n=0; n < len; ++n) - tmp[n] = in[n] ^ ivec[n]; - for(n=len; n < AES_BLOCK_SIZE; ++n) - tmp[n] = ivec[n]; - AES_encrypt(tmp, tmp, key); - memcpy(out, tmp, AES_BLOCK_SIZE); - memcpy(ivec, tmp, AES_BLOCK_SIZE); - } - } else { - while (len >= AES_BLOCK_SIZE) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(in, out, key); - for(n=0; n < AES_BLOCK_SIZE; ++n) - out[n] ^= ivec[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - len -= AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - out += AES_BLOCK_SIZE; - } - if (len) { - memcpy(tmp, in, AES_BLOCK_SIZE); - AES_decrypt(tmp, tmp, key); - for(n=0; n < len; ++n) - out[n] = tmp[n] ^ ivec[n]; - memcpy(ivec, tmp, AES_BLOCK_SIZE); - } - } -} diff --git a/contrib/qemu/util/bitmap.c b/contrib/qemu/util/bitmap.c deleted file mode 100644 index 687841dcec0..00000000000 --- a/contrib/qemu/util/bitmap.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Bitmap Module - * - * Stolen from linux/src/lib/bitmap.c - * - * Copyright (C) 2010 Corentin Chary - * - * This source code is licensed under the GNU General Public License, - * Version 2. - */ - -#include "qemu/bitops.h" -#include "qemu/bitmap.h" - -/* - * bitmaps provide an array of bits, implemented using an an - * array of unsigned longs. The number of valid bits in a - * given bitmap does _not_ need to be an exact multiple of - * BITS_PER_LONG. - * - * The possible unused bits in the last, partially used word - * of a bitmap are 'don't care'. The implementation makes - * no particular effort to keep them zero. It ensures that - * their value will not affect the results of any operation. - * The bitmap operations that return Boolean (bitmap_empty, - * for example) or scalar (bitmap_weight, for example) results - * carefully filter out these unused bits from impacting their - * results. - * - * These operations actually hold to a slightly stronger rule: - * if you don't input any bitmaps to these ops that have some - * unused bits set, then they won't output any set unused bits - * in output bitmaps. - * - * The byte ordering of bitmaps is more natural on little - * endian architectures. - */ - -int slow_bitmap_empty(const unsigned long *bitmap, int bits) -{ - int k, lim = bits/BITS_PER_LONG; - - for (k = 0; k < lim; ++k) { - if (bitmap[k]) { - return 0; - } - } - if (bits % BITS_PER_LONG) { - if (bitmap[k] & BITMAP_LAST_WORD_MASK(bits)) { - return 0; - } - } - - return 1; -} - -int slow_bitmap_full(const unsigned long *bitmap, int bits) -{ - int k, lim = bits/BITS_PER_LONG; - - for (k = 0; k < lim; ++k) { - if (~bitmap[k]) { - return 0; - } - } - - if (bits % BITS_PER_LONG) { - if (~bitmap[k] & BITMAP_LAST_WORD_MASK(bits)) { - return 0; - } - } - - return 1; -} - -int slow_bitmap_equal(const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k, lim = bits/BITS_PER_LONG; - - for (k = 0; k < lim; ++k) { - if (bitmap1[k] != bitmap2[k]) { - return 0; - } - } - - if (bits % BITS_PER_LONG) { - if ((bitmap1[k] ^ bitmap2[k]) & BITMAP_LAST_WORD_MASK(bits)) { - return 0; - } - } - - return 1; -} - -void slow_bitmap_complement(unsigned long *dst, const unsigned long *src, - int bits) -{ - int k, lim = bits/BITS_PER_LONG; - - for (k = 0; k < lim; ++k) { - dst[k] = ~src[k]; - } - - if (bits % BITS_PER_LONG) { - dst[k] = ~src[k] & BITMAP_LAST_WORD_MASK(bits); - } -} - -int slow_bitmap_and(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k; - int nr = BITS_TO_LONGS(bits); - unsigned long result = 0; - - for (k = 0; k < nr; k++) { - result |= (dst[k] = bitmap1[k] & bitmap2[k]); - } - return result != 0; -} - -void slow_bitmap_or(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k; - int nr = BITS_TO_LONGS(bits); - - for (k = 0; k < nr; k++) { - dst[k] = bitmap1[k] | bitmap2[k]; - } -} - -void slow_bitmap_xor(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k; - int nr = BITS_TO_LONGS(bits); - - for (k = 0; k < nr; k++) { - dst[k] = bitmap1[k] ^ bitmap2[k]; - } -} - -int slow_bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k; - int nr = BITS_TO_LONGS(bits); - unsigned long result = 0; - - for (k = 0; k < nr; k++) { - result |= (dst[k] = bitmap1[k] & ~bitmap2[k]); - } - return result != 0; -} - -#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) % BITS_PER_LONG)) - -void bitmap_set(unsigned long *map, int start, int nr) -{ - unsigned long *p = map + BIT_WORD(start); - const int size = start + nr; - int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG); - unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start); - - while (nr - bits_to_set >= 0) { - *p |= mask_to_set; - nr -= bits_to_set; - bits_to_set = BITS_PER_LONG; - mask_to_set = ~0UL; - p++; - } - if (nr) { - mask_to_set &= BITMAP_LAST_WORD_MASK(size); - *p |= mask_to_set; - } -} - -void bitmap_clear(unsigned long *map, int start, int nr) -{ - unsigned long *p = map + BIT_WORD(start); - const int size = start + nr; - int bits_to_clear = BITS_PER_LONG - (start % BITS_PER_LONG); - unsigned long mask_to_clear = BITMAP_FIRST_WORD_MASK(start); - - while (nr - bits_to_clear >= 0) { - *p &= ~mask_to_clear; - nr -= bits_to_clear; - bits_to_clear = BITS_PER_LONG; - mask_to_clear = ~0UL; - p++; - } - if (nr) { - mask_to_clear &= BITMAP_LAST_WORD_MASK(size); - *p &= ~mask_to_clear; - } -} - -#define ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) - -/** - * bitmap_find_next_zero_area - find a contiguous aligned zero area - * @map: The address to base the search on - * @size: The bitmap size in bits - * @start: The bitnumber to start searching at - * @nr: The number of zeroed bits we're looking for - * @align_mask: Alignment mask for zero area - * - * The @align_mask should be one less than a power of 2; the effect is that - * the bit offset of all zero areas this function finds is multiples of that - * power of 2. A @align_mask of 0 means no alignment is required. - */ -unsigned long bitmap_find_next_zero_area(unsigned long *map, - unsigned long size, - unsigned long start, - unsigned int nr, - unsigned long align_mask) -{ - unsigned long index, end, i; -again: - index = find_next_zero_bit(map, size, start); - - /* Align allocation */ - index = ALIGN_MASK(index, align_mask); - - end = index + nr; - if (end > size) { - return end; - } - i = find_next_bit(map, end, index); - if (i < end) { - start = i + 1; - goto again; - } - return index; -} - -int slow_bitmap_intersects(const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) -{ - int k, lim = bits/BITS_PER_LONG; - - for (k = 0; k < lim; ++k) { - if (bitmap1[k] & bitmap2[k]) { - return 1; - } - } - - if (bits % BITS_PER_LONG) { - if ((bitmap1[k] & bitmap2[k]) & BITMAP_LAST_WORD_MASK(bits)) { - return 1; - } - } - return 0; -} diff --git a/contrib/qemu/util/bitops.c b/contrib/qemu/util/bitops.c deleted file mode 100644 index 227c38b883d..00000000000 --- a/contrib/qemu/util/bitops.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * Copyright (C) 2008 IBM Corporation - * Written by Rusty Russell <rusty@rustcorp.com.au> - * (Inspired by David Howell's find_next_bit implementation) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include "qemu/bitops.h" - -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) - -/* - * Find the next set bit in a memory region. - */ -unsigned long find_next_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - const unsigned long *p = addr + BITOP_WORD(offset); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) { - return size; - } - size -= result; - offset %= BITS_PER_LONG; - if (offset) { - tmp = *(p++); - tmp &= (~0UL << offset); - if (size < BITS_PER_LONG) { - goto found_first; - } - if (tmp) { - goto found_middle; - } - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size >= 4*BITS_PER_LONG) { - unsigned long d1, d2, d3; - tmp = *p; - d1 = *(p+1); - d2 = *(p+2); - d3 = *(p+3); - if (tmp) { - goto found_middle; - } - if (d1 | d2 | d3) { - break; - } - p += 4; - result += 4*BITS_PER_LONG; - size -= 4*BITS_PER_LONG; - } - while (size >= BITS_PER_LONG) { - if ((tmp = *(p++))) { - goto found_middle; - } - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) { - return result; - } - tmp = *p; - -found_first: - tmp &= (~0UL >> (BITS_PER_LONG - size)); - if (tmp == 0UL) { /* Are any bits set? */ - return result + size; /* Nope. */ - } -found_middle: - return result + ctzl(tmp); -} - -/* - * This implementation of find_{first,next}_zero_bit was stolen from - * Linus' asm-alpha/bitops.h. - */ -unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - const unsigned long *p = addr + BITOP_WORD(offset); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) { - return size; - } - size -= result; - offset %= BITS_PER_LONG; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (BITS_PER_LONG - offset); - if (size < BITS_PER_LONG) { - goto found_first; - } - if (~tmp) { - goto found_middle; - } - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size & ~(BITS_PER_LONG-1)) { - if (~(tmp = *(p++))) { - goto found_middle; - } - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) { - return result; - } - tmp = *p; - -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) { /* Are any bits zero? */ - return result + size; /* Nope. */ - } -found_middle: - return result + ctzl(~tmp); -} - -unsigned long find_last_bit(const unsigned long *addr, unsigned long size) -{ - unsigned long words; - unsigned long tmp; - - /* Start at final word. */ - words = size / BITS_PER_LONG; - - /* Partial final word? */ - if (size & (BITS_PER_LONG-1)) { - tmp = (addr[words] & (~0UL >> (BITS_PER_LONG - - (size & (BITS_PER_LONG-1))))); - if (tmp) { - goto found; - } - } - - while (words) { - tmp = addr[--words]; - if (tmp) { - found: - return words * BITS_PER_LONG + BITS_PER_LONG - 1 - clzl(tmp); - } - } - - /* Not found */ - return size; -} diff --git a/contrib/qemu/util/cutils.c b/contrib/qemu/util/cutils.c deleted file mode 100644 index 6caa4b8ddc4..00000000000 --- a/contrib/qemu/util/cutils.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * Simple C functions to supplement the C library - * - * Copyright (c) 2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu-common.h" -#include "qemu/host-utils.h" -#include <math.h> - -#include "qemu/sockets.h" -#include "qemu/iov.h" - -void strpadcpy(char *buf, int buf_size, const char *str, char pad) -{ - int len = qemu_strnlen(str, buf_size); - memcpy(buf, str, len); - memset(buf + len, pad, buf_size - len); -} - -void pstrcpy(char *buf, int buf_size, const char *str) -{ - int c; - char *q = buf; - - if (buf_size <= 0) - return; - - for(;;) { - c = *str++; - if (c == 0 || q >= buf + buf_size - 1) - break; - *q++ = c; - } - *q = '\0'; -} - -/* strcat and truncate. */ -char *pstrcat(char *buf, int buf_size, const char *s) -{ - int len; - len = strlen(buf); - if (len < buf_size) - pstrcpy(buf + len, buf_size - len, s); - return buf; -} - -int strstart(const char *str, const char *val, const char **ptr) -{ - const char *p, *q; - p = str; - q = val; - while (*q != '\0') { - if (*p != *q) - return 0; - p++; - q++; - } - if (ptr) - *ptr = p; - return 1; -} - -int stristart(const char *str, const char *val, const char **ptr) -{ - const char *p, *q; - p = str; - q = val; - while (*q != '\0') { - if (qemu_toupper(*p) != qemu_toupper(*q)) - return 0; - p++; - q++; - } - if (ptr) - *ptr = p; - return 1; -} - -/* XXX: use host strnlen if available ? */ -int qemu_strnlen(const char *s, int max_len) -{ - int i; - - for(i = 0; i < max_len; i++) { - if (s[i] == '\0') { - break; - } - } - return i; -} - -char *qemu_strsep(char **input, const char *delim) -{ - char *result = *input; - if (result != NULL) { - char *p; - - for (p = result; *p != '\0'; p++) { - if (strchr(delim, *p)) { - break; - } - } - if (*p == '\0') { - *input = NULL; - } else { - *p = '\0'; - *input = p + 1; - } - } - return result; -} - -time_t mktimegm(struct tm *tm) -{ - time_t t; - int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday; - if (m < 3) { - m += 12; - y--; - } - t = 86400ULL * (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + - y / 400 - 719469); - t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec; - return t; -} - -int qemu_fls(int i) -{ - return 32 - clz32(i); -} - -/* - * Make sure data goes on disk, but if possible do not bother to - * write out the inode just for timestamp updates. - * - * Unfortunately even in 2009 many operating systems do not support - * fdatasync and have to fall back to fsync. - */ -int qemu_fdatasync(int fd) -{ -#ifdef HAVE_FDATASYNC - return fdatasync(fd); -#else - return fsync(fd); -#endif -} - -/* - * Searches for an area with non-zero content in a buffer - * - * Attention! The len must be a multiple of - * BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR * sizeof(VECTYPE) - * and addr must be a multiple of sizeof(VECTYPE) due to - * restriction of optimizations in this function. - * - * can_use_buffer_find_nonzero_offset() can be used to check - * these requirements. - * - * The return value is the offset of the non-zero area rounded - * down to a multiple of sizeof(VECTYPE) for the first - * BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR chunks and down to - * BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR * sizeof(VECTYPE) - * afterwards. - * - * If the buffer is all zero the return value is equal to len. - */ - -size_t buffer_find_nonzero_offset(const void *buf, size_t len) -{ - const VECTYPE *p = buf; - const VECTYPE zero = (VECTYPE){0}; - size_t i; - - assert(can_use_buffer_find_nonzero_offset(buf, len)); - - if (!len) { - return 0; - } - - for (i = 0; i < BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR; i++) { - if (!ALL_EQ(p[i], zero)) { - return i * sizeof(VECTYPE); - } - } - - for (i = BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR; - i < len / sizeof(VECTYPE); - i += BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR) { - VECTYPE tmp0 = p[i + 0] | p[i + 1]; - VECTYPE tmp1 = p[i + 2] | p[i + 3]; - VECTYPE tmp2 = p[i + 4] | p[i + 5]; - VECTYPE tmp3 = p[i + 6] | p[i + 7]; - VECTYPE tmp01 = tmp0 | tmp1; - VECTYPE tmp23 = tmp2 | tmp3; - if (!ALL_EQ(tmp01 | tmp23, zero)) { - break; - } - } - - return i * sizeof(VECTYPE); -} - -/* - * Checks if a buffer is all zeroes - * - * Attention! The len must be a multiple of 4 * sizeof(long) due to - * restriction of optimizations in this function. - */ -bool buffer_is_zero(const void *buf, size_t len) -{ - /* - * Use long as the biggest available internal data type that fits into the - * CPU register and unroll the loop to smooth out the effect of memory - * latency. - */ - - size_t i; - long d0, d1, d2, d3; - const long * const data = buf; - - /* use vector optimized zero check if possible */ - if (can_use_buffer_find_nonzero_offset(buf, len)) { - return buffer_find_nonzero_offset(buf, len) == len; - } - - assert(len % (4 * sizeof(long)) == 0); - len /= sizeof(long); - - for (i = 0; i < len; i += 4) { - d0 = data[i + 0]; - d1 = data[i + 1]; - d2 = data[i + 2]; - d3 = data[i + 3]; - - if (d0 || d1 || d2 || d3) { - return false; - } - } - - return true; -} - -#ifndef _WIN32 -/* Sets a specific flag */ -int fcntl_setfl(int fd, int flag) -{ - int flags; - - flags = fcntl(fd, F_GETFL); - if (flags == -1) - return -errno; - - if (fcntl(fd, F_SETFL, flags | flag) == -1) - return -errno; - - return 0; -} -#endif - -static int64_t suffix_mul(char suffix, int64_t unit) -{ - switch (qemu_toupper(suffix)) { - case STRTOSZ_DEFSUFFIX_B: - return 1; - case STRTOSZ_DEFSUFFIX_KB: - return unit; - case STRTOSZ_DEFSUFFIX_MB: - return unit * unit; - case STRTOSZ_DEFSUFFIX_GB: - return unit * unit * unit; - case STRTOSZ_DEFSUFFIX_TB: - return unit * unit * unit * unit; - case STRTOSZ_DEFSUFFIX_PB: - return unit * unit * unit * unit * unit; - case STRTOSZ_DEFSUFFIX_EB: - return unit * unit * unit * unit * unit * unit; - } - return -1; -} - -/* - * Convert string to bytes, allowing either B/b for bytes, K/k for KB, - * M/m for MB, G/g for GB or T/t for TB. End pointer will be returned - * in *end, if not NULL. Return -ERANGE on overflow, Return -EINVAL on - * other error. - */ -int64_t strtosz_suffix_unit(const char *nptr, char **end, - const char default_suffix, int64_t unit) -{ - int64_t retval = -EINVAL; - char *endptr; - unsigned char c; - int mul_required = 0; - double val, mul, integral, fraction; - - errno = 0; - val = strtod(nptr, &endptr); - if (isnan(val) || endptr == nptr || errno != 0) { - goto fail; - } - fraction = modf(val, &integral); - if (fraction != 0) { - mul_required = 1; - } - c = *endptr; - mul = suffix_mul(c, unit); - if (mul >= 0) { - endptr++; - } else { - mul = suffix_mul(default_suffix, unit); - assert(mul >= 0); - } - if (mul == 1 && mul_required) { - goto fail; - } - if ((val * mul >= INT64_MAX) || val < 0) { - retval = -ERANGE; - goto fail; - } - retval = val * mul; - -fail: - if (end) { - *end = endptr; - } - - return retval; -} - -int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix) -{ - return strtosz_suffix_unit(nptr, end, default_suffix, 1024); -} - -int64_t strtosz(const char *nptr, char **end) -{ - return strtosz_suffix(nptr, end, STRTOSZ_DEFSUFFIX_MB); -} - -/** - * parse_uint: - * - * @s: String to parse - * @value: Destination for parsed integer value - * @endptr: Destination for pointer to first character not consumed - * @base: integer base, between 2 and 36 inclusive, or 0 - * - * Parse unsigned integer - * - * Parsed syntax is like strtoull()'s: arbitrary whitespace, a single optional - * '+' or '-', an optional "0x" if @base is 0 or 16, one or more digits. - * - * If @s is null, or @base is invalid, or @s doesn't start with an - * integer in the syntax above, set *@value to 0, *@endptr to @s, and - * return -EINVAL. - * - * Set *@endptr to point right beyond the parsed integer (even if the integer - * overflows or is negative, all digits will be parsed and *@endptr will - * point right beyond them). - * - * If the integer is negative, set *@value to 0, and return -ERANGE. - * - * If the integer overflows unsigned long long, set *@value to - * ULLONG_MAX, and return -ERANGE. - * - * Else, set *@value to the parsed integer, and return 0. - */ -int parse_uint(const char *s, unsigned long long *value, char **endptr, - int base) -{ - int r = 0; - char *endp = (char *)s; - unsigned long long val = 0; - - if (!s) { - r = -EINVAL; - goto out; - } - - errno = 0; - val = strtoull(s, &endp, base); - if (errno) { - r = -errno; - goto out; - } - - if (endp == s) { - r = -EINVAL; - goto out; - } - - /* make sure we reject negative numbers: */ - while (isspace((unsigned char)*s)) { - s++; - } - if (*s == '-') { - val = 0; - r = -ERANGE; - goto out; - } - -out: - *value = val; - *endptr = endp; - return r; -} - -/** - * parse_uint_full: - * - * @s: String to parse - * @value: Destination for parsed integer value - * @base: integer base, between 2 and 36 inclusive, or 0 - * - * Parse unsigned integer from entire string - * - * Have the same behavior of parse_uint(), but with an additional check - * for additional data after the parsed number. If extra characters are present - * after the parsed number, the function will return -EINVAL, and *@v will - * be set to 0. - */ -int parse_uint_full(const char *s, unsigned long long *value, int base) -{ - char *endp; - int r; - - r = parse_uint(s, value, &endp, base); - if (r < 0) { - return r; - } - if (*endp) { - *value = 0; - return -EINVAL; - } - - return 0; -} - -int qemu_parse_fd(const char *param) -{ - int fd; - char *endptr = NULL; - - fd = strtol(param, &endptr, 10); - if (*endptr || (fd == 0 && param == endptr)) { - return -1; - } - return fd; -} - -/* round down to the nearest power of 2*/ -int64_t pow2floor(int64_t value) -{ - if (!is_power_of_2(value)) { - value = 0x8000000000000000ULL >> clz64(value); - } - return value; -} - -/* - * Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128) - * Input is limited to 14-bit numbers - */ -int uleb128_encode_small(uint8_t *out, uint32_t n) -{ - g_assert(n <= 0x3fff); - if (n < 0x80) { - *out++ = n; - return 1; - } else { - *out++ = (n & 0x7f) | 0x80; - *out++ = n >> 7; - return 2; - } -} - -int uleb128_decode_small(const uint8_t *in, uint32_t *n) -{ - if (!(*in & 0x80)) { - *n = *in++; - return 1; - } else { - *n = *in++ & 0x7f; - /* we exceed 14 bit number */ - if (*in & 0x80) { - return -1; - } - *n |= *in++ << 7; - return 2; - } -} - -/* - * helper to parse debug environment variables - */ -int parse_debug_env(const char *name, int max, int initial) -{ - char *debug_env = getenv(name); - char *inv = NULL; - int debug; - - if (!debug_env) { - return initial; - } - debug = strtol(debug_env, &inv, 10); - if (inv == debug_env) { - return initial; - } - if (debug < 0 || debug > max) { - fprintf(stderr, "warning: %s not in [0, %d]", name, max); - return initial; - } - return debug; -} diff --git a/contrib/qemu/util/error.c b/contrib/qemu/util/error.c deleted file mode 100644 index 53b04354aef..00000000000 --- a/contrib/qemu/util/error.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * QEMU Error Objects - * - * Copyright IBM, Corp. 2011 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2. See - * the COPYING.LIB file in the top-level directory. - */ - -#include "qemu-common.h" -#include "qapi/error.h" -#include "qapi/qmp/qjson.h" -#include "qapi/qmp/qdict.h" -#include "qapi-types.h" -#include "qapi/qmp/qerror.h" - -struct Error -{ - char *msg; - ErrorClass err_class; -}; - -void error_set(Error **errp, ErrorClass err_class, const char *fmt, ...) -{ - Error *err; - va_list ap; - - if (errp == NULL) { - return; - } - assert(*errp == NULL); - - err = g_malloc0(sizeof(*err)); - - va_start(ap, fmt); - err->msg = g_strdup_vprintf(fmt, ap); - va_end(ap); - err->err_class = err_class; - - *errp = err; -} - -void error_set_errno(Error **errp, int os_errno, ErrorClass err_class, - const char *fmt, ...) -{ - Error *err; - char *msg1; - va_list ap; - - if (errp == NULL) { - return; - } - assert(*errp == NULL); - - err = g_malloc0(sizeof(*err)); - - va_start(ap, fmt); - msg1 = g_strdup_vprintf(fmt, ap); - if (os_errno != 0) { - err->msg = g_strdup_printf("%s: %s", msg1, strerror(os_errno)); - g_free(msg1); - } else { - err->msg = msg1; - } - va_end(ap); - err->err_class = err_class; - - *errp = err; -} - -void error_setg_file_open(Error **errp, int os_errno, const char *filename) -{ - error_setg_errno(errp, os_errno, "Could not open '%s'", filename); -} - -Error *error_copy(const Error *err) -{ - Error *err_new; - - err_new = g_malloc0(sizeof(*err)); - err_new->msg = g_strdup(err->msg); - err_new->err_class = err->err_class; - - return err_new; -} - -bool error_is_set(Error **errp) -{ - return (errp && *errp); -} - -ErrorClass error_get_class(const Error *err) -{ - return err->err_class; -} - -const char *error_get_pretty(Error *err) -{ - return err->msg; -} - -void error_free(Error *err) -{ - if (err) { - g_free(err->msg); - g_free(err); - } -} - -void error_propagate(Error **dst_err, Error *local_err) -{ - if (dst_err && !*dst_err) { - *dst_err = local_err; - } else if (local_err) { - error_free(local_err); - } -} diff --git a/contrib/qemu/util/hbitmap.c b/contrib/qemu/util/hbitmap.c deleted file mode 100644 index e063e681f52..00000000000 --- a/contrib/qemu/util/hbitmap.c +++ /dev/null @@ -1,404 +0,0 @@ -/* - * Hierarchical Bitmap Data Type - * - * Copyright Red Hat, Inc., 2012 - * - * Author: Paolo Bonzini <pbonzini@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or - * later. See the COPYING file in the top-level directory. - */ - -#include <string.h> -#include <glib.h> -#include <assert.h> -#include "qemu/osdep.h" -#include "qemu/hbitmap.h" -#include "qemu/host-utils.h" -#include "trace.h" - -/* HBitmaps provides an array of bits. The bits are stored as usual in an - * array of unsigned longs, but HBitmap is also optimized to provide fast - * iteration over set bits; going from one bit to the next is O(logB n) - * worst case, with B = sizeof(long) * CHAR_BIT: the result is low enough - * that the number of levels is in fact fixed. - * - * In order to do this, it stacks multiple bitmaps with progressively coarser - * granularity; in all levels except the last, bit N is set iff the N-th - * unsigned long is nonzero in the immediately next level. When iteration - * completes on the last level it can examine the 2nd-last level to quickly - * skip entire words, and even do so recursively to skip blocks of 64 words or - * powers thereof (32 on 32-bit machines). - * - * Given an index in the bitmap, it can be split in group of bits like - * this (for the 64-bit case): - * - * bits 0-57 => word in the last bitmap | bits 58-63 => bit in the word - * bits 0-51 => word in the 2nd-last bitmap | bits 52-57 => bit in the word - * bits 0-45 => word in the 3rd-last bitmap | bits 46-51 => bit in the word - * - * So it is easy to move up simply by shifting the index right by - * log2(BITS_PER_LONG) bits. To move down, you shift the index left - * similarly, and add the word index within the group. Iteration uses - * ffs (find first set bit) to find the next word to examine; this - * operation can be done in constant time in most current architectures. - * - * Setting or clearing a range of m bits on all levels, the work to perform - * is O(m + m/W + m/W^2 + ...), which is O(m) like on a regular bitmap. - * - * When iterating on a bitmap, each bit (on any level) is only visited - * once. Hence, The total cost of visiting a bitmap with m bits in it is - * the number of bits that are set in all bitmaps. Unless the bitmap is - * extremely sparse, this is also O(m + m/W + m/W^2 + ...), so the amortized - * cost of advancing from one bit to the next is usually constant (worst case - * O(logB n) as in the non-amortized complexity). - */ - -struct HBitmap { - /* Number of total bits in the bottom level. */ - uint64_t size; - - /* Number of set bits in the bottom level. */ - uint64_t count; - - /* A scaling factor. Given a granularity of G, each bit in the bitmap will - * will actually represent a group of 2^G elements. Each operation on a - * range of bits first rounds the bits to determine which group they land - * in, and then affect the entire page; iteration will only visit the first - * bit of each group. Here is an example of operations in a size-16, - * granularity-1 HBitmap: - * - * initial state 00000000 - * set(start=0, count=9) 11111000 (iter: 0, 2, 4, 6, 8) - * reset(start=1, count=3) 00111000 (iter: 4, 6, 8) - * set(start=9, count=2) 00111100 (iter: 4, 6, 8, 10) - * reset(start=5, count=5) 00000000 - * - * From an implementation point of view, when setting or resetting bits, - * the bitmap will scale bit numbers right by this amount of bits. When - * iterating, the bitmap will scale bit numbers left by this amount of - * bits. - */ - int granularity; - - /* A number of progressively less coarse bitmaps (i.e. level 0 is the - * coarsest). Each bit in level N represents a word in level N+1 that - * has a set bit, except the last level where each bit represents the - * actual bitmap. - * - * Note that all bitmaps have the same number of levels. Even a 1-bit - * bitmap will still allocate HBITMAP_LEVELS arrays. - */ - unsigned long *levels[HBITMAP_LEVELS]; -}; - -#ifndef __NetBSD__ /* we have it in <strings.h> */ -static inline int popcountl(unsigned long l) -{ - return BITS_PER_LONG == 32 ? ctpop32(l) : ctpop64(l); -} -#endif - -/* Advance hbi to the next nonzero word and return it. hbi->pos - * is updated. Returns zero if we reach the end of the bitmap. - */ -unsigned long hbitmap_iter_skip_words(HBitmapIter *hbi) -{ - size_t pos = hbi->pos; - const HBitmap *hb = hbi->hb; - unsigned i = HBITMAP_LEVELS - 1; - - unsigned long cur; - do { - cur = hbi->cur[--i]; - pos >>= BITS_PER_LEVEL; - } while (cur == 0); - - /* Check for end of iteration. We always use fewer than BITS_PER_LONG - * bits in the level 0 bitmap; thus we can repurpose the most significant - * bit as a sentinel. The sentinel is set in hbitmap_alloc and ensures - * that the above loop ends even without an explicit check on i. - */ - - if (i == 0 && cur == (1UL << (BITS_PER_LONG - 1))) { - return 0; - } - for (; i < HBITMAP_LEVELS - 1; i++) { - /* Shift back pos to the left, matching the right shifts above. - * The index of this word's least significant set bit provides - * the low-order bits. - */ - assert(cur); - pos = (pos << BITS_PER_LEVEL) + ctzl(cur); - hbi->cur[i] = cur & (cur - 1); - - /* Set up next level for iteration. */ - cur = hb->levels[i + 1][pos]; - } - - hbi->pos = pos; - trace_hbitmap_iter_skip_words(hbi->hb, hbi, pos, cur); - - assert(cur); - return cur; -} - -void hbitmap_iter_init(HBitmapIter *hbi, const HBitmap *hb, uint64_t first) -{ - unsigned i, bit; - uint64_t pos; - - hbi->hb = hb; - pos = first >> hb->granularity; - assert(pos < hb->size); - hbi->pos = pos >> BITS_PER_LEVEL; - hbi->granularity = hb->granularity; - - for (i = HBITMAP_LEVELS; i-- > 0; ) { - bit = pos & (BITS_PER_LONG - 1); - pos >>= BITS_PER_LEVEL; - - /* Drop bits representing items before first. */ - hbi->cur[i] = hb->levels[i][pos] & ~((1UL << bit) - 1); - - /* We have already added level i+1, so the lowest set bit has - * been processed. Clear it. - */ - if (i != HBITMAP_LEVELS - 1) { - hbi->cur[i] &= ~(1UL << bit); - } - } -} - -bool hbitmap_empty(const HBitmap *hb) -{ - return hb->count == 0; -} - -int hbitmap_granularity(const HBitmap *hb) -{ - return hb->granularity; -} - -uint64_t hbitmap_count(const HBitmap *hb) -{ - return hb->count << hb->granularity; -} - -/* Count the number of set bits between start and end, not accounting for - * the granularity. Also an example of how to use hbitmap_iter_next_word. - */ -static uint64_t hb_count_between(HBitmap *hb, uint64_t start, uint64_t last) -{ - HBitmapIter hbi; - uint64_t count = 0; - uint64_t end = last + 1; - unsigned long cur; - size_t pos; - - hbitmap_iter_init(&hbi, hb, start << hb->granularity); - for (;;) { - pos = hbitmap_iter_next_word(&hbi, &cur); - if (pos >= (end >> BITS_PER_LEVEL)) { - break; - } - count += popcountl(cur); - } - - if (pos == (end >> BITS_PER_LEVEL)) { - /* Drop bits representing the END-th and subsequent items. */ - int bit = end & (BITS_PER_LONG - 1); - cur &= (1UL << bit) - 1; - count += popcountl(cur); - } - - return count; -} - -/* Setting starts at the last layer and propagates up if an element - * changes from zero to non-zero. - */ -static inline bool hb_set_elem(unsigned long *elem, uint64_t start, uint64_t last) -{ - unsigned long mask; - bool changed; - - assert((last >> BITS_PER_LEVEL) == (start >> BITS_PER_LEVEL)); - assert(start <= last); - - mask = 2UL << (last & (BITS_PER_LONG - 1)); - mask -= 1UL << (start & (BITS_PER_LONG - 1)); - changed = (*elem == 0); - *elem |= mask; - return changed; -} - -/* The recursive workhorse (the depth is limited to HBITMAP_LEVELS)... */ -static void hb_set_between(HBitmap *hb, int level, uint64_t start, uint64_t last) -{ - size_t pos = start >> BITS_PER_LEVEL; - size_t lastpos = last >> BITS_PER_LEVEL; - bool changed = false; - size_t i; - - i = pos; - if (i < lastpos) { - uint64_t next = (start | (BITS_PER_LONG - 1)) + 1; - changed |= hb_set_elem(&hb->levels[level][i], start, next - 1); - for (;;) { - start = next; - next += BITS_PER_LONG; - if (++i == lastpos) { - break; - } - changed |= (hb->levels[level][i] == 0); - hb->levels[level][i] = ~0UL; - } - } - changed |= hb_set_elem(&hb->levels[level][i], start, last); - - /* If there was any change in this layer, we may have to update - * the one above. - */ - if (level > 0 && changed) { - hb_set_between(hb, level - 1, pos, lastpos); - } -} - -void hbitmap_set(HBitmap *hb, uint64_t start, uint64_t count) -{ - /* Compute range in the last layer. */ - uint64_t last = start + count - 1; - - trace_hbitmap_set(hb, start, count, - start >> hb->granularity, last >> hb->granularity); - - start >>= hb->granularity; - last >>= hb->granularity; - count = last - start + 1; - - hb->count += count - hb_count_between(hb, start, last); - hb_set_between(hb, HBITMAP_LEVELS - 1, start, last); -} - -/* Resetting works the other way round: propagate up if the new - * value is zero. - */ -static inline bool hb_reset_elem(unsigned long *elem, uint64_t start, uint64_t last) -{ - unsigned long mask; - bool blanked; - - assert((last >> BITS_PER_LEVEL) == (start >> BITS_PER_LEVEL)); - assert(start <= last); - - mask = 2UL << (last & (BITS_PER_LONG - 1)); - mask -= 1UL << (start & (BITS_PER_LONG - 1)); - blanked = *elem != 0 && ((*elem & ~mask) == 0); - *elem &= ~mask; - return blanked; -} - -/* The recursive workhorse (the depth is limited to HBITMAP_LEVELS)... */ -static void hb_reset_between(HBitmap *hb, int level, uint64_t start, uint64_t last) -{ - size_t pos = start >> BITS_PER_LEVEL; - size_t lastpos = last >> BITS_PER_LEVEL; - bool changed = false; - size_t i; - - i = pos; - if (i < lastpos) { - uint64_t next = (start | (BITS_PER_LONG - 1)) + 1; - - /* Here we need a more complex test than when setting bits. Even if - * something was changed, we must not blank bits in the upper level - * unless the lower-level word became entirely zero. So, remove pos - * from the upper-level range if bits remain set. - */ - if (hb_reset_elem(&hb->levels[level][i], start, next - 1)) { - changed = true; - } else { - pos++; - } - - for (;;) { - start = next; - next += BITS_PER_LONG; - if (++i == lastpos) { - break; - } - changed |= (hb->levels[level][i] != 0); - hb->levels[level][i] = 0UL; - } - } - - /* Same as above, this time for lastpos. */ - if (hb_reset_elem(&hb->levels[level][i], start, last)) { - changed = true; - } else { - lastpos--; - } - - if (level > 0 && changed) { - hb_reset_between(hb, level - 1, pos, lastpos); - } -} - -void hbitmap_reset(HBitmap *hb, uint64_t start, uint64_t count) -{ - /* Compute range in the last layer. */ - uint64_t last = start + count - 1; - - trace_hbitmap_reset(hb, start, count, - start >> hb->granularity, last >> hb->granularity); - - start >>= hb->granularity; - last >>= hb->granularity; - - hb->count -= hb_count_between(hb, start, last); - hb_reset_between(hb, HBITMAP_LEVELS - 1, start, last); -} - -bool hbitmap_get(const HBitmap *hb, uint64_t item) -{ - /* Compute position and bit in the last layer. */ - uint64_t pos = item >> hb->granularity; - unsigned long bit = 1UL << (pos & (BITS_PER_LONG - 1)); - - return (hb->levels[HBITMAP_LEVELS - 1][pos >> BITS_PER_LEVEL] & bit) != 0; -} - -void hbitmap_free(HBitmap *hb) -{ - unsigned i; - for (i = HBITMAP_LEVELS; i-- > 0; ) { - g_free(hb->levels[i]); - } - g_free(hb); -} - -HBitmap *hbitmap_alloc(uint64_t size, int granularity) -{ - HBitmap *hb = g_malloc0(sizeof (struct HBitmap)); - unsigned i; - - assert(granularity >= 0 && granularity < 64); - size = (size + (1ULL << granularity) - 1) >> granularity; - assert(size <= ((uint64_t)1 << HBITMAP_LOG_MAX_SIZE)); - - hb->size = size; - hb->granularity = granularity; - for (i = HBITMAP_LEVELS; i-- > 0; ) { - size = MAX((size + BITS_PER_LONG - 1) >> BITS_PER_LEVEL, 1); - hb->levels[i] = g_malloc0(size * sizeof(unsigned long)); - } - - /* We necessarily have free bits in level 0 due to the definition - * of HBITMAP_LEVELS, so use one for a sentinel. This speeds up - * hbitmap_iter_skip_words. - */ - assert(size == 1); - hb->levels[0][0] |= 1UL << (BITS_PER_LONG - 1); - return hb; -} diff --git a/contrib/qemu/util/hexdump.c b/contrib/qemu/util/hexdump.c deleted file mode 100644 index 969b3406c07..00000000000 --- a/contrib/qemu/util/hexdump.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Helper to hexdump a buffer - * - * Copyright (c) 2013 Red Hat, Inc. - * Copyright (c) 2013 Gerd Hoffmann <kraxel@redhat.com> - * Copyright (c) 2013 Peter Crosthwaite <peter.crosthwaite@xilinx.com> - * Copyright (c) 2013 Xilinx, Inc - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ - -#include "qemu-common.h" - -void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size) -{ - unsigned int b; - - for (b = 0; b < size; b++) { - if ((b % 16) == 0) { - fprintf(fp, "%s: %04x:", prefix, b); - } - if ((b % 4) == 0) { - fprintf(fp, " "); - } - fprintf(fp, " %02x", (unsigned char)buf[b]); - if ((b % 16) == 15) { - fprintf(fp, "\n"); - } - } - if ((b % 16) != 0) { - fprintf(fp, "\n"); - } -} diff --git a/contrib/qemu/util/iov.c b/contrib/qemu/util/iov.c deleted file mode 100644 index cc6e837c836..00000000000 --- a/contrib/qemu/util/iov.c +++ /dev/null @@ -1,426 +0,0 @@ -/* - * Helpers for getting linearized buffers from iov / filling buffers into iovs - * - * Copyright IBM, Corp. 2007, 2008 - * Copyright (C) 2010 Red Hat, Inc. - * - * Author(s): - * Anthony Liguori <aliguori@us.ibm.com> - * Amit Shah <amit.shah@redhat.com> - * Michael Tokarev <mjt@tls.msk.ru> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ - -#include "qemu/iov.h" - -#ifdef _WIN32 -# include <windows.h> -# include <winsock2.h> -#else -# include <sys/types.h> -# include <sys/socket.h> -#endif - -size_t iov_from_buf(const struct iovec *iov, unsigned int iov_cnt, - size_t offset, const void *buf, size_t bytes) -{ - size_t done; - unsigned int i; - for (i = 0, done = 0; (offset || done < bytes) && i < iov_cnt; i++) { - if (offset < iov[i].iov_len) { - size_t len = MIN(iov[i].iov_len - offset, bytes - done); - memcpy(iov[i].iov_base + offset, buf + done, len); - done += len; - offset = 0; - } else { - offset -= iov[i].iov_len; - } - } - assert(offset == 0); - return done; -} - -size_t iov_to_buf(const struct iovec *iov, const unsigned int iov_cnt, - size_t offset, void *buf, size_t bytes) -{ - size_t done; - unsigned int i; - for (i = 0, done = 0; (offset || done < bytes) && i < iov_cnt; i++) { - if (offset < iov[i].iov_len) { - size_t len = MIN(iov[i].iov_len - offset, bytes - done); - memcpy(buf + done, iov[i].iov_base + offset, len); - done += len; - offset = 0; - } else { - offset -= iov[i].iov_len; - } - } - assert(offset == 0); - return done; -} - -size_t iov_memset(const struct iovec *iov, const unsigned int iov_cnt, - size_t offset, int fillc, size_t bytes) -{ - size_t done; - unsigned int i; - for (i = 0, done = 0; (offset || done < bytes) && i < iov_cnt; i++) { - if (offset < iov[i].iov_len) { - size_t len = MIN(iov[i].iov_len - offset, bytes - done); - memset(iov[i].iov_base + offset, fillc, len); - done += len; - offset = 0; - } else { - offset -= iov[i].iov_len; - } - } - assert(offset == 0); - return done; -} - -size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt) -{ - size_t len; - unsigned int i; - - len = 0; - for (i = 0; i < iov_cnt; i++) { - len += iov[i].iov_len; - } - return len; -} - -/* helper function for iov_send_recv() */ -static ssize_t -do_send_recv(int sockfd, struct iovec *iov, unsigned iov_cnt, bool do_send) -{ -#ifdef CONFIG_POSIX - ssize_t ret; - struct msghdr msg; - memset(&msg, 0, sizeof(msg)); - msg.msg_iov = iov; - msg.msg_iovlen = iov_cnt; - do { - ret = do_send - ? sendmsg(sockfd, &msg, 0) - : recvmsg(sockfd, &msg, 0); - } while (ret < 0 && errno == EINTR); - return ret; -#else - /* else send piece-by-piece */ - /*XXX Note: windows has WSASend() and WSARecv() */ - unsigned i = 0; - ssize_t ret = 0; - while (i < iov_cnt) { - ssize_t r = do_send - ? send(sockfd, iov[i].iov_base, iov[i].iov_len, 0) - : recv(sockfd, iov[i].iov_base, iov[i].iov_len, 0); - if (r > 0) { - ret += r; - } else if (!r) { - break; - } else if (errno == EINTR) { - continue; - } else { - /* else it is some "other" error, - * only return if there was no data processed. */ - if (ret == 0) { - ret = -1; - } - break; - } - i++; - } - return ret; -#endif -} - -ssize_t iov_send_recv(int sockfd, struct iovec *iov, unsigned iov_cnt, - size_t offset, size_t bytes, - bool do_send) -{ - ssize_t total = 0; - ssize_t ret; - size_t orig_len, tail; - unsigned niov; - - while (bytes > 0) { - /* Find the start position, skipping `offset' bytes: - * first, skip all full-sized vector elements, */ - for (niov = 0; niov < iov_cnt && offset >= iov[niov].iov_len; ++niov) { - offset -= iov[niov].iov_len; - } - - /* niov == iov_cnt would only be valid if bytes == 0, which - * we already ruled out in the loop condition. */ - assert(niov < iov_cnt); - iov += niov; - iov_cnt -= niov; - - if (offset) { - /* second, skip `offset' bytes from the (now) first element, - * undo it on exit */ - iov[0].iov_base += offset; - iov[0].iov_len -= offset; - } - /* Find the end position skipping `bytes' bytes: */ - /* first, skip all full-sized elements */ - tail = bytes; - for (niov = 0; niov < iov_cnt && iov[niov].iov_len <= tail; ++niov) { - tail -= iov[niov].iov_len; - } - if (tail) { - /* second, fixup the last element, and remember the original - * length */ - assert(niov < iov_cnt); - assert(iov[niov].iov_len > tail); - orig_len = iov[niov].iov_len; - iov[niov++].iov_len = tail; - } - - ret = do_send_recv(sockfd, iov, niov, do_send); - - /* Undo the changes above before checking for errors */ - if (tail) { - iov[niov-1].iov_len = orig_len; - } - if (offset) { - iov[0].iov_base -= offset; - iov[0].iov_len += offset; - } - - if (ret < 0) { - assert(errno != EINTR); - if (errno == EAGAIN && total > 0) { - return total; - } - return -1; - } - - /* Prepare for the next iteration */ - offset += ret; - total += ret; - bytes -= ret; - } - - return total; -} - - -void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt, - FILE *fp, const char *prefix, size_t limit) -{ - int v; - size_t size = 0; - char *buf; - - for (v = 0; v < iov_cnt; v++) { - size += iov[v].iov_len; - } - size = size > limit ? limit : size; - buf = g_malloc(size); - iov_to_buf(iov, iov_cnt, 0, buf, size); - qemu_hexdump(buf, fp, prefix, size); - g_free(buf); -} - -unsigned iov_copy(struct iovec *dst_iov, unsigned int dst_iov_cnt, - const struct iovec *iov, unsigned int iov_cnt, - size_t offset, size_t bytes) -{ - size_t len; - unsigned int i, j; - for (i = 0, j = 0; i < iov_cnt && j < dst_iov_cnt && bytes; i++) { - if (offset >= iov[i].iov_len) { - offset -= iov[i].iov_len; - continue; - } - len = MIN(bytes, iov[i].iov_len - offset); - - dst_iov[j].iov_base = iov[i].iov_base + offset; - dst_iov[j].iov_len = len; - j++; - bytes -= len; - offset = 0; - } - assert(offset == 0); - return j; -} - -/* io vectors */ - -void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint) -{ - qiov->iov = g_malloc(alloc_hint * sizeof(struct iovec)); - qiov->niov = 0; - qiov->nalloc = alloc_hint; - qiov->size = 0; -} - -void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov) -{ - int i; - - qiov->iov = iov; - qiov->niov = niov; - qiov->nalloc = -1; - qiov->size = 0; - for (i = 0; i < niov; i++) - qiov->size += iov[i].iov_len; -} - -void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len) -{ - assert(qiov->nalloc != -1); - - if (qiov->niov == qiov->nalloc) { - qiov->nalloc = 2 * qiov->nalloc + 1; - qiov->iov = g_realloc(qiov->iov, qiov->nalloc * sizeof(struct iovec)); - } - qiov->iov[qiov->niov].iov_base = base; - qiov->iov[qiov->niov].iov_len = len; - qiov->size += len; - ++qiov->niov; -} - -/* - * Concatenates (partial) iovecs from src_iov to the end of dst. - * It starts copying after skipping `soffset' bytes at the - * beginning of src and adds individual vectors from src to - * dst copies up to `sbytes' bytes total, or up to the end - * of src_iov if it comes first. This way, it is okay to specify - * very large value for `sbytes' to indicate "up to the end - * of src". - * Only vector pointers are processed, not the actual data buffers. - */ -void qemu_iovec_concat_iov(QEMUIOVector *dst, - struct iovec *src_iov, unsigned int src_cnt, - size_t soffset, size_t sbytes) -{ - int i; - size_t done; - - if (!sbytes) { - return; - } - assert(dst->nalloc != -1); - for (i = 0, done = 0; done < sbytes && i < src_cnt; i++) { - if (soffset < src_iov[i].iov_len) { - size_t len = MIN(src_iov[i].iov_len - soffset, sbytes - done); - qemu_iovec_add(dst, src_iov[i].iov_base + soffset, len); - done += len; - soffset = 0; - } else { - soffset -= src_iov[i].iov_len; - } - } - assert(soffset == 0); /* offset beyond end of src */ -} - -/* - * Concatenates (partial) iovecs from src to the end of dst. - * It starts copying after skipping `soffset' bytes at the - * beginning of src and adds individual vectors from src to - * dst copies up to `sbytes' bytes total, or up to the end - * of src if it comes first. This way, it is okay to specify - * very large value for `sbytes' to indicate "up to the end - * of src". - * Only vector pointers are processed, not the actual data buffers. - */ -void qemu_iovec_concat(QEMUIOVector *dst, - QEMUIOVector *src, size_t soffset, size_t sbytes) -{ - qemu_iovec_concat_iov(dst, src->iov, src->niov, soffset, sbytes); -} - -void qemu_iovec_destroy(QEMUIOVector *qiov) -{ - assert(qiov->nalloc != -1); - - qemu_iovec_reset(qiov); - g_free(qiov->iov); - qiov->nalloc = 0; - qiov->iov = NULL; -} - -void qemu_iovec_reset(QEMUIOVector *qiov) -{ - assert(qiov->nalloc != -1); - - qiov->niov = 0; - qiov->size = 0; -} - -size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset, - void *buf, size_t bytes) -{ - return iov_to_buf(qiov->iov, qiov->niov, offset, buf, bytes); -} - -size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, - const void *buf, size_t bytes) -{ - return iov_from_buf(qiov->iov, qiov->niov, offset, buf, bytes); -} - -size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, - int fillc, size_t bytes) -{ - return iov_memset(qiov->iov, qiov->niov, offset, fillc, bytes); -} - -size_t iov_discard_front(struct iovec **iov, unsigned int *iov_cnt, - size_t bytes) -{ - size_t total = 0; - struct iovec *cur; - - for (cur = *iov; *iov_cnt > 0; cur++) { - if (cur->iov_len > bytes) { - cur->iov_base += bytes; - cur->iov_len -= bytes; - total += bytes; - break; - } - - bytes -= cur->iov_len; - total += cur->iov_len; - *iov_cnt -= 1; - } - - *iov = cur; - return total; -} - -size_t iov_discard_back(struct iovec *iov, unsigned int *iov_cnt, - size_t bytes) -{ - size_t total = 0; - struct iovec *cur; - - if (*iov_cnt == 0) { - return 0; - } - - cur = iov + (*iov_cnt - 1); - - while (*iov_cnt > 0) { - if (cur->iov_len > bytes) { - cur->iov_len -= bytes; - total += bytes; - break; - } - - bytes -= cur->iov_len; - total += cur->iov_len; - cur--; - *iov_cnt -= 1; - } - - return total; -} diff --git a/contrib/qemu/util/module.c b/contrib/qemu/util/module.c deleted file mode 100644 index 7acc33d076a..00000000000 --- a/contrib/qemu/util/module.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * QEMU Module Infrastructure - * - * Copyright IBM, Corp. 2009 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ - -#include "qemu-common.h" -#include "qemu/queue.h" -#include "qemu/module.h" - -typedef struct ModuleEntry -{ - void (*init)(void); - QTAILQ_ENTRY(ModuleEntry) node; -} ModuleEntry; - -typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList; - -static ModuleTypeList init_type_list[MODULE_INIT_MAX]; - -static void init_types(void) -{ - static int inited; - int i; - - if (inited) { - return; - } - - for (i = 0; i < MODULE_INIT_MAX; i++) { - QTAILQ_INIT(&init_type_list[i]); - } - - inited = 1; -} - - -static ModuleTypeList *find_type(module_init_type type) -{ - ModuleTypeList *l; - - init_types(); - - l = &init_type_list[type]; - - return l; -} - -void register_module_init(void (*fn)(void), module_init_type type) -{ - ModuleEntry *e; - ModuleTypeList *l; - - e = g_malloc0(sizeof(*e)); - e->init = fn; - - l = find_type(type); - - QTAILQ_INSERT_TAIL(l, e, node); -} - -void module_call_init(module_init_type type) -{ - ModuleTypeList *l; - ModuleEntry *e; - - l = find_type(type); - - QTAILQ_FOREACH(e, l, node) { - e->init(); - } -} diff --git a/contrib/qemu/util/oslib-posix.c b/contrib/qemu/util/oslib-posix.c deleted file mode 100644 index 45f9ca5a156..00000000000 --- a/contrib/qemu/util/oslib-posix.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * os-posix-lib.c - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2010 Red Hat, Inc. - * - * QEMU library functions on POSIX which are shared between QEMU and - * the QEMU tools. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -/* The following block of code temporarily renames the daemon() function so the - compiler does not see the warning associated with it in stdlib.h on OSX */ -#ifdef __APPLE__ -#define daemon qemu_fake_daemon_function -#include <stdlib.h> -#undef daemon -extern int daemon(int, int); -#endif - -#if defined(__linux__) && (defined(__x86_64__) || defined(__arm__)) - /* Use 2 MiB alignment so transparent hugepages can be used by KVM. - Valgrind does not support alignments larger than 1 MiB, - therefore we need special code which handles running on Valgrind. */ -# define QEMU_VMALLOC_ALIGN (512 * 4096) -#elif defined(__linux__) && defined(__s390x__) - /* Use 1 MiB (segment size) alignment so gmap can be used by KVM. */ -# define QEMU_VMALLOC_ALIGN (256 * 4096) -#else -# define QEMU_VMALLOC_ALIGN getpagesize() -#endif - -#include <glib/gprintf.h> - -#include "config-host.h" -#include "qemu-common.h" -#include "sysemu/sysemu.h" -#include "trace.h" -#include "qemu/sockets.h" -#include <sys/mman.h> - -#ifdef CONFIG_LINUX -#include <sys/syscall.h> -#endif - -int qemu_get_thread_id(void) -{ -#if defined(__linux__) - return syscall(SYS_gettid); -#else - return getpid(); -#endif -} - -int qemu_daemon(int nochdir, int noclose) -{ - return daemon(nochdir, noclose); -} - -void *qemu_oom_check(void *ptr) -{ - if (ptr == NULL) { - fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno)); - abort(); - } - return ptr; -} - -void *qemu_memalign(size_t alignment, size_t size) -{ - void *ptr; -#if defined(_POSIX_C_SOURCE) && !defined(__sun__) || defined(__APPLE__) - int ret; - ret = posix_memalign(&ptr, alignment, size); - if (ret != 0) { - fprintf(stderr, "Failed to allocate %zu B: %s\n", - size, strerror(ret)); - abort(); - } -#elif defined(GF_BSD_HOST_OS) - ptr = qemu_oom_check(valloc(size)); -#else - ptr = qemu_oom_check(memalign(alignment, size)); -#endif - trace_qemu_memalign(alignment, size, ptr); - return ptr; -} - -/* alloc shared memory pages */ -void *qemu_anon_ram_alloc(size_t size) -{ - size_t align = QEMU_VMALLOC_ALIGN; - size_t total = size + align - getpagesize(); - void *ptr = mmap(0, total, PROT_READ | PROT_WRITE, - MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); - size_t offset = QEMU_ALIGN_UP((uintptr_t)ptr, align) - (uintptr_t)ptr; - - if (ptr == MAP_FAILED) { - fprintf(stderr, "Failed to allocate %zu B: %s\n", - size, strerror(errno)); - abort(); - } - - ptr += offset; - total -= offset; - - if (offset > 0) { - munmap(ptr - offset, offset); - } - if (total > size) { - munmap(ptr + size, total - size); - } - - trace_qemu_anon_ram_alloc(size, ptr); - return ptr; -} - -void qemu_vfree(void *ptr) -{ - trace_qemu_vfree(ptr); - free(ptr); -} - -void qemu_anon_ram_free(void *ptr, size_t size) -{ - trace_qemu_anon_ram_free(ptr, size); - if (ptr) { - munmap(ptr, size); - } -} - -void qemu_set_block(int fd) -{ - int f; - f = fcntl(fd, F_GETFL); - fcntl(fd, F_SETFL, f & ~O_NONBLOCK); -} - -void qemu_set_nonblock(int fd) -{ - int f; - f = fcntl(fd, F_GETFL); - fcntl(fd, F_SETFL, f | O_NONBLOCK); -} - -void qemu_set_cloexec(int fd) -{ - int f; - f = fcntl(fd, F_GETFD); - fcntl(fd, F_SETFD, f | FD_CLOEXEC); -} - -/* - * Creates a pipe with FD_CLOEXEC set on both file descriptors - */ -int qemu_pipe(int pipefd[2]) -{ - int ret; - -#ifdef CONFIG_PIPE2 -#ifdef pipe2 - ret = pipe2(pipefd, O_CLOEXEC); - if (ret != -1 || errno != ENOSYS) { - return ret; - } -#endif -#endif - ret = pipe(pipefd); - if (ret == 0) { - qemu_set_cloexec(pipefd[0]); - qemu_set_cloexec(pipefd[1]); - } - - return ret; -} - -#ifndef UTIME_OMIT -#define UTIME_OMIT ((1l << 30) - 2l) -#endif -#ifndef UTIME_NOW -#define UTIME_NOW ((1l << 30) - 1l) -#endif - -int qemu_utimens(const char *path, const struct timespec *times) -{ - struct timeval tv[2], tv_now; - struct stat st; - int i; -#if defined(CONFIG_UTIMENSAT) -#ifdef utimensat - int ret; - - ret = utimensat(AT_FDCWD, path, times, AT_SYMLINK_NOFOLLOW); - if (ret != -1 || errno != ENOSYS) { - return ret; - } -#endif -#endif - /* Fallback: use utimes() instead of utimensat() */ - - /* happy if special cases */ - if (times[0].tv_nsec == UTIME_OMIT && times[1].tv_nsec == UTIME_OMIT) { - return 0; - } - if (times[0].tv_nsec == UTIME_NOW && times[1].tv_nsec == UTIME_NOW) { - return utimes(path, NULL); - } - - /* prepare for hard cases */ - if (times[0].tv_nsec == UTIME_NOW || times[1].tv_nsec == UTIME_NOW) { - gettimeofday(&tv_now, NULL); - } - if (times[0].tv_nsec == UTIME_OMIT || times[1].tv_nsec == UTIME_OMIT) { - stat(path, &st); - } - - for (i = 0; i < 2; i++) { - if (times[i].tv_nsec == UTIME_NOW) { - tv[i].tv_sec = tv_now.tv_sec; - tv[i].tv_usec = tv_now.tv_usec; - } else if (times[i].tv_nsec == UTIME_OMIT) { - tv[i].tv_sec = (i == 0) ? st.st_atime : st.st_mtime; - tv[i].tv_usec = 0; - } else { - tv[i].tv_sec = times[i].tv_sec; - tv[i].tv_usec = times[i].tv_nsec / 1000; - } - } - - return utimes(path, &tv[0]); -} - -char * -qemu_get_local_state_pathname(const char *relative_pathname) -{ - return g_strdup_printf("%s/%s", CONFIG_QEMU_LOCALSTATEDIR, - relative_pathname); -} diff --git a/contrib/qemu/util/qemu-error.c b/contrib/qemu/util/qemu-error.c deleted file mode 100644 index fec02c60754..00000000000 --- a/contrib/qemu/util/qemu-error.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Error reporting - * - * Copyright (C) 2010 Red Hat Inc. - * - * Authors: - * Markus Armbruster <armbru@redhat.com>, - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#include <stdio.h> -#include "monitor/monitor.h" - -/* - * Print to current monitor if we have one, else to stderr. - * TODO should return int, so callers can calculate width, but that - * requires surgery to monitor_vprintf(). Left for another day. - */ -void error_vprintf(const char *fmt, va_list ap) -{ - if (cur_mon) { - monitor_vprintf(cur_mon, fmt, ap); - } else { - vfprintf(stderr, fmt, ap); - } -} - -/* - * Print to current monitor if we have one, else to stderr. - * TODO just like error_vprintf() - */ -void error_printf(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - error_vprintf(fmt, ap); - va_end(ap); -} - -void error_printf_unless_qmp(const char *fmt, ...) -{ - va_list ap; - - if (!monitor_cur_is_qmp()) { - va_start(ap, fmt); - error_vprintf(fmt, ap); - va_end(ap); - } -} - -static Location std_loc = { - .kind = LOC_NONE -}; -static Location *cur_loc = &std_loc; - -/* - * Push location saved in LOC onto the location stack, return it. - * The top of that stack is the current location. - * Needs a matching loc_pop(). - */ -Location *loc_push_restore(Location *loc) -{ - assert(!loc->prev); - loc->prev = cur_loc; - cur_loc = loc; - return loc; -} - -/* - * Initialize *LOC to "nowhere", push it onto the location stack. - * The top of that stack is the current location. - * Needs a matching loc_pop(). - * Return LOC. - */ -Location *loc_push_none(Location *loc) -{ - loc->kind = LOC_NONE; - loc->prev = NULL; - return loc_push_restore(loc); -} - -/* - * Pop the location stack. - * LOC must be the current location, i.e. the top of the stack. - */ -Location *loc_pop(Location *loc) -{ - assert(cur_loc == loc && loc->prev); - cur_loc = loc->prev; - loc->prev = NULL; - return loc; -} - -/* - * Save the current location in LOC, return LOC. - */ -Location *loc_save(Location *loc) -{ - *loc = *cur_loc; - loc->prev = NULL; - return loc; -} - -/* - * Change the current location to the one saved in LOC. - */ -void loc_restore(Location *loc) -{ - Location *prev = cur_loc->prev; - assert(!loc->prev); - *cur_loc = *loc; - cur_loc->prev = prev; -} - -/* - * Change the current location to "nowhere in particular". - */ -void loc_set_none(void) -{ - cur_loc->kind = LOC_NONE; -} - -/* - * Change the current location to argument ARGV[IDX..IDX+CNT-1]. - */ -void loc_set_cmdline(char **argv, int idx, int cnt) -{ - cur_loc->kind = LOC_CMDLINE; - cur_loc->num = cnt; - cur_loc->ptr = argv + idx; -} - -/* - * Change the current location to file FNAME, line LNO. - */ -void loc_set_file(const char *fname, int lno) -{ - assert (fname || cur_loc->kind == LOC_FILE); - cur_loc->kind = LOC_FILE; - cur_loc->num = lno; - if (fname) { - cur_loc->ptr = fname; - } -} - -static const char *progname; - -/* - * Set the program name for error_print_loc(). - */ -void error_set_progname(const char *argv0) -{ - const char *p = strrchr(argv0, '/'); - progname = p ? p + 1 : argv0; -} - -const char *error_get_progname(void) -{ - return progname; -} - -/* - * Print current location to current monitor if we have one, else to stderr. - */ -void error_print_loc(void) -{ - const char *sep = ""; - int i; - const char *const *argp; - - if (!cur_mon && progname) { - fprintf(stderr, "%s:", progname); - sep = " "; - } - switch (cur_loc->kind) { - case LOC_CMDLINE: - argp = cur_loc->ptr; - for (i = 0; i < cur_loc->num; i++) { - error_printf("%s%s", sep, argp[i]); - sep = " "; - } - error_printf(": "); - break; - case LOC_FILE: - error_printf("%s:", (const char *)cur_loc->ptr); - if (cur_loc->num) { - error_printf("%d:", cur_loc->num); - } - error_printf(" "); - break; - default: - error_printf("%s", sep); - } -} - -bool enable_timestamp_msg; -/* - * Print an error message to current monitor if we have one, else to stderr. - * Format arguments like sprintf(). The result should not contain - * newlines. - * Prepend the current location and append a newline. - * It's wrong to call this in a QMP monitor. Use qerror_report() there. - */ -void error_report(const char *fmt, ...) -{ - va_list ap; - GTimeVal tv; - gchar *timestr; - - if (enable_timestamp_msg) { - g_get_current_time(&tv); - timestr = g_time_val_to_iso8601(&tv); - error_printf("%s ", timestr); - g_free(timestr); - } - - error_print_loc(); - va_start(ap, fmt); - error_vprintf(fmt, ap); - va_end(ap); - error_printf("\n"); -} diff --git a/contrib/qemu/util/qemu-option.c b/contrib/qemu/util/qemu-option.c deleted file mode 100644 index e0ef426daa0..00000000000 --- a/contrib/qemu/util/qemu-option.c +++ /dev/null @@ -1,1126 +0,0 @@ -/* - * Commandline option parsing functions - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2009 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include <stdio.h> -#include <string.h> - -#include "qemu-common.h" -#include "qemu/error-report.h" -#include "qapi/qmp/types.h" -#include "qapi/error.h" -#include "qapi/qmp/qerror.h" -#include "qemu/option_int.h" - -/* - * Extracts the name of an option from the parameter string (p points at the - * first byte of the option name) - * - * The option name is delimited by delim (usually , or =) or the string end - * and is copied into buf. If the option name is longer than buf_size, it is - * truncated. buf is always zero terminated. - * - * The return value is the position of the delimiter/zero byte after the option - * name in p. - */ -const char *get_opt_name(char *buf, int buf_size, const char *p, char delim) -{ - char *q; - - q = buf; - while (*p != '\0' && *p != delim) { - if (q && (q - buf) < buf_size - 1) - *q++ = *p; - p++; - } - if (q) - *q = '\0'; - - return p; -} - -/* - * Extracts the value of an option from the parameter string p (p points at the - * first byte of the option value) - * - * This function is comparable to get_opt_name with the difference that the - * delimiter is fixed to be comma which starts a new option. To specify an - * option value that contains commas, double each comma. - */ -const char *get_opt_value(char *buf, int buf_size, const char *p) -{ - char *q; - - q = buf; - while (*p != '\0') { - if (*p == ',') { - if (*(p + 1) != ',') - break; - p++; - } - if (q && (q - buf) < buf_size - 1) - *q++ = *p; - p++; - } - if (q) - *q = '\0'; - - return p; -} - -int get_next_param_value(char *buf, int buf_size, - const char *tag, const char **pstr) -{ - const char *p; - char option[128]; - - p = *pstr; - for(;;) { - p = get_opt_name(option, sizeof(option), p, '='); - if (*p != '=') - break; - p++; - if (!strcmp(tag, option)) { - *pstr = get_opt_value(buf, buf_size, p); - if (**pstr == ',') { - (*pstr)++; - } - return strlen(buf); - } else { - p = get_opt_value(NULL, 0, p); - } - if (*p != ',') - break; - p++; - } - return 0; -} - -int get_param_value(char *buf, int buf_size, - const char *tag, const char *str) -{ - return get_next_param_value(buf, buf_size, tag, &str); -} - -/* - * Searches an option list for an option with the given name - */ -QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list, - const char *name) -{ - while (list && list->name) { - if (!strcmp(list->name, name)) { - return list; - } - list++; - } - - return NULL; -} - -static void parse_option_bool(const char *name, const char *value, bool *ret, - Error **errp) -{ - if (value != NULL) { - if (!strcmp(value, "on")) { - *ret = 1; - } else if (!strcmp(value, "off")) { - *ret = 0; - } else { - error_set(errp,QERR_INVALID_PARAMETER_VALUE, name, "'on' or 'off'"); - } - } else { - *ret = 1; - } -} - -static void parse_option_number(const char *name, const char *value, - uint64_t *ret, Error **errp) -{ - char *postfix; - uint64_t number; - - if (value != NULL) { - number = strtoull(value, &postfix, 0); - if (*postfix != '\0') { - error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a number"); - return; - } - *ret = number; - } else { - error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a number"); - } -} - -static void parse_option_size(const char *name, const char *value, - uint64_t *ret, Error **errp) -{ - char *postfix; - double sizef; - - if (value != NULL) { - sizef = strtod(value, &postfix); - switch (*postfix) { - case 'T': - sizef *= 1024; - /* fall through */ - case 'G': - sizef *= 1024; - /* fall through */ - case 'M': - sizef *= 1024; - /* fall through */ - case 'K': - case 'k': - sizef *= 1024; - /* fall through */ - case 'b': - case '\0': - *ret = (uint64_t) sizef; - break; - default: - error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a size"); -#if 0 /* conversion from qerror_report() to error_set() broke this: */ - error_printf_unless_qmp("You may use k, M, G or T suffixes for " - "kilobytes, megabytes, gigabytes and terabytes.\n"); -#endif - return; - } - } else { - error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a size"); - } -} - -/* - * Sets the value of a parameter in a given option list. The parsing of the - * value depends on the type of option: - * - * OPT_FLAG (uses value.n): - * If no value is given, the flag is set to 1. - * Otherwise the value must be "on" (set to 1) or "off" (set to 0) - * - * OPT_STRING (uses value.s): - * value is strdup()ed and assigned as option value - * - * OPT_SIZE (uses value.n): - * The value is converted to an integer. Suffixes for kilobytes etc. are - * allowed (powers of 1024). - * - * Returns 0 on succes, -1 in error cases - */ -int set_option_parameter(QEMUOptionParameter *list, const char *name, - const char *value) -{ - bool flag; - Error *local_err = NULL; - - // Find a matching parameter - list = get_option_parameter(list, name); - if (list == NULL) { - fprintf(stderr, "Unknown option '%s'\n", name); - return -1; - } - - // Process parameter - switch (list->type) { - case OPT_FLAG: - parse_option_bool(name, value, &flag, &local_err); - if (!error_is_set(&local_err)) { - list->value.n = flag; - } - break; - - case OPT_STRING: - if (value != NULL) { - list->value.s = g_strdup(value); - } else { - fprintf(stderr, "Option '%s' needs a parameter\n", name); - return -1; - } - break; - - case OPT_SIZE: - parse_option_size(name, value, &list->value.n, &local_err); - break; - - default: - fprintf(stderr, "Bug: Option '%s' has an unknown type\n", name); - return -1; - } - - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - - return 0; -} - -/* - * Sets the given parameter to an integer instead of a string. - * This function cannot be used to set string options. - * - * Returns 0 on success, -1 in error cases - */ -int set_option_parameter_int(QEMUOptionParameter *list, const char *name, - uint64_t value) -{ - // Find a matching parameter - list = get_option_parameter(list, name); - if (list == NULL) { - fprintf(stderr, "Unknown option '%s'\n", name); - return -1; - } - - // Process parameter - switch (list->type) { - case OPT_FLAG: - case OPT_NUMBER: - case OPT_SIZE: - list->value.n = value; - break; - - default: - return -1; - } - - return 0; -} - -/* - * Frees a option list. If it contains strings, the strings are freed as well. - */ -void free_option_parameters(QEMUOptionParameter *list) -{ - QEMUOptionParameter *cur = list; - - while (cur && cur->name) { - if (cur->type == OPT_STRING) { - g_free(cur->value.s); - } - cur++; - } - - g_free(list); -} - -/* - * Count valid options in list - */ -static size_t count_option_parameters(QEMUOptionParameter *list) -{ - size_t num_options = 0; - - while (list && list->name) { - num_options++; - list++; - } - - return num_options; -} - -/* - * Append an option list (list) to an option list (dest). - * - * If dest is NULL, a new copy of list is created. - * - * Returns a pointer to the first element of dest (or the newly allocated copy) - */ -QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest, - QEMUOptionParameter *list) -{ - size_t num_options, num_dest_options; - - num_options = count_option_parameters(dest); - num_dest_options = num_options; - - num_options += count_option_parameters(list); - - dest = g_realloc(dest, (num_options + 1) * sizeof(QEMUOptionParameter)); - dest[num_dest_options].name = NULL; - - while (list && list->name) { - if (get_option_parameter(dest, list->name) == NULL) { - dest[num_dest_options++] = *list; - dest[num_dest_options].name = NULL; - } - list++; - } - - return dest; -} - -/* - * Parses a parameter string (param) into an option list (dest). - * - * list is the template option list. If dest is NULL, a new copy of list is - * created. If list is NULL, this function fails. - * - * A parameter string consists of one or more parameters, separated by commas. - * Each parameter consists of its name and possibly of a value. In the latter - * case, the value is delimited by an = character. To specify a value which - * contains commas, double each comma so it won't be recognized as the end of - * the parameter. - * - * For more details of the parsing see above. - * - * Returns a pointer to the first element of dest (or the newly allocated copy) - * or NULL in error cases - */ -QEMUOptionParameter *parse_option_parameters(const char *param, - QEMUOptionParameter *list, QEMUOptionParameter *dest) -{ - QEMUOptionParameter *allocated = NULL; - char name[256]; - char value[256]; - char *param_delim, *value_delim; - char next_delim; - - if (list == NULL) { - return NULL; - } - - if (dest == NULL) { - dest = allocated = append_option_parameters(NULL, list); - } - - while (*param) { - - // Find parameter name and value in the string - param_delim = strchr(param, ','); - value_delim = strchr(param, '='); - - if (value_delim && (value_delim < param_delim || !param_delim)) { - next_delim = '='; - } else { - next_delim = ','; - value_delim = NULL; - } - - param = get_opt_name(name, sizeof(name), param, next_delim); - if (value_delim) { - param = get_opt_value(value, sizeof(value), param + 1); - } - if (*param != '\0') { - param++; - } - - // Set the parameter - if (set_option_parameter(dest, name, value_delim ? value : NULL)) { - goto fail; - } - } - - return dest; - -fail: - // Only free the list if it was newly allocated - free_option_parameters(allocated); - return NULL; -} - -/* - * Prints all options of a list that have a value to stdout - */ -void print_option_parameters(QEMUOptionParameter *list) -{ - while (list && list->name) { - switch (list->type) { - case OPT_STRING: - if (list->value.s != NULL) { - printf("%s='%s' ", list->name, list->value.s); - } - break; - case OPT_FLAG: - printf("%s=%s ", list->name, list->value.n ? "on" : "off"); - break; - case OPT_SIZE: - case OPT_NUMBER: - printf("%s=%" PRId64 " ", list->name, list->value.n); - break; - default: - printf("%s=(unknown type) ", list->name); - break; - } - list++; - } -} - -/* - * Prints an overview of all available options - */ -void print_option_help(QEMUOptionParameter *list) -{ - printf("Supported options:\n"); - while (list && list->name) { - printf("%-16s %s\n", list->name, - list->help ? list->help : "No description available"); - list++; - } -} - -/* ------------------------------------------------------------------ */ - -static QemuOpt *qemu_opt_find(QemuOpts *opts, const char *name) -{ - QemuOpt *opt; - - QTAILQ_FOREACH_REVERSE(opt, &opts->head, QemuOptHead, next) { - if (strcmp(opt->name, name) != 0) - continue; - return opt; - } - return NULL; -} - -const char *qemu_opt_get(QemuOpts *opts, const char *name) -{ - QemuOpt *opt = qemu_opt_find(opts, name); - return opt ? opt->str : NULL; -} - -bool qemu_opt_has_help_opt(QemuOpts *opts) -{ - QemuOpt *opt; - - QTAILQ_FOREACH_REVERSE(opt, &opts->head, QemuOptHead, next) { - if (is_help_option(opt->name)) { - return true; - } - } - return false; -} - -bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval) -{ - QemuOpt *opt = qemu_opt_find(opts, name); - - if (opt == NULL) - return defval; - assert(opt->desc && opt->desc->type == QEMU_OPT_BOOL); - return opt->value.boolean; -} - -uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval) -{ - QemuOpt *opt = qemu_opt_find(opts, name); - - if (opt == NULL) - return defval; - assert(opt->desc && opt->desc->type == QEMU_OPT_NUMBER); - return opt->value.uint; -} - -uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval) -{ - QemuOpt *opt = qemu_opt_find(opts, name); - - if (opt == NULL) - return defval; - assert(opt->desc && opt->desc->type == QEMU_OPT_SIZE); - return opt->value.uint; -} - -static void qemu_opt_parse(QemuOpt *opt, Error **errp) -{ - if (opt->desc == NULL) - return; - - switch (opt->desc->type) { - case QEMU_OPT_STRING: - /* nothing */ - return; - case QEMU_OPT_BOOL: - parse_option_bool(opt->name, opt->str, &opt->value.boolean, errp); - break; - case QEMU_OPT_NUMBER: - parse_option_number(opt->name, opt->str, &opt->value.uint, errp); - break; - case QEMU_OPT_SIZE: - parse_option_size(opt->name, opt->str, &opt->value.uint, errp); - break; - default: - abort(); - } -} - -static void qemu_opt_del(QemuOpt *opt) -{ - QTAILQ_REMOVE(&opt->opts->head, opt, next); - g_free((/* !const */ char*)opt->name); - g_free((/* !const */ char*)opt->str); - g_free(opt); -} - -static bool opts_accepts_any(const QemuOpts *opts) -{ - return opts->list->desc[0].name == NULL; -} - -static const QemuOptDesc *find_desc_by_name(const QemuOptDesc *desc, - const char *name) -{ - int i; - - for (i = 0; desc[i].name != NULL; i++) { - if (strcmp(desc[i].name, name) == 0) { - return &desc[i]; - } - } - - return NULL; -} - -static void opt_set(QemuOpts *opts, const char *name, const char *value, - bool prepend, Error **errp) -{ - QemuOpt *opt; - const QemuOptDesc *desc; - Error *local_err = NULL; - - desc = find_desc_by_name(opts->list->desc, name); - if (!desc && !opts_accepts_any(opts)) { - error_set(errp, QERR_INVALID_PARAMETER, name); - return; - } - - opt = g_malloc0(sizeof(*opt)); - opt->name = g_strdup(name); - opt->opts = opts; - if (prepend) { - QTAILQ_INSERT_HEAD(&opts->head, opt, next); - } else { - QTAILQ_INSERT_TAIL(&opts->head, opt, next); - } - opt->desc = desc; - opt->str = g_strdup(value); - qemu_opt_parse(opt, &local_err); - if (error_is_set(&local_err)) { - error_propagate(errp, local_err); - qemu_opt_del(opt); - } -} - -int qemu_opt_set(QemuOpts *opts, const char *name, const char *value) -{ - Error *local_err = NULL; - - opt_set(opts, name, value, false, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - - return 0; -} - -void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value, - Error **errp) -{ - opt_set(opts, name, value, false, errp); -} - -int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) -{ - QemuOpt *opt; - const QemuOptDesc *desc = opts->list->desc; - - opt = g_malloc0(sizeof(*opt)); - opt->desc = find_desc_by_name(desc, name); - if (!opt->desc && !opts_accepts_any(opts)) { - qerror_report(QERR_INVALID_PARAMETER, name); - g_free(opt); - return -1; - } - - opt->name = g_strdup(name); - opt->opts = opts; - opt->value.boolean = !!val; - opt->str = g_strdup(val ? "on" : "off"); - QTAILQ_INSERT_TAIL(&opts->head, opt, next); - - return 0; -} - -int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val) -{ - QemuOpt *opt; - const QemuOptDesc *desc = opts->list->desc; - - opt = g_malloc0(sizeof(*opt)); - opt->desc = find_desc_by_name(desc, name); - if (!opt->desc && !opts_accepts_any(opts)) { - qerror_report(QERR_INVALID_PARAMETER, name); - g_free(opt); - return -1; - } - - opt->name = g_strdup(name); - opt->opts = opts; - opt->value.uint = val; - opt->str = g_strdup_printf("%" PRId64, val); - QTAILQ_INSERT_TAIL(&opts->head, opt, next); - - return 0; -} - -int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque, - int abort_on_failure) -{ - QemuOpt *opt; - int rc = 0; - - QTAILQ_FOREACH(opt, &opts->head, next) { - rc = func(opt->name, opt->str, opaque); - if (abort_on_failure && rc != 0) - break; - } - return rc; -} - -QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id) -{ - QemuOpts *opts; - - QTAILQ_FOREACH(opts, &list->head, next) { - if (!opts->id && !id) { - return opts; - } - if (opts->id && id && !strcmp(opts->id, id)) { - return opts; - } - } - return NULL; -} - -static int id_wellformed(const char *id) -{ - int i; - - if (!qemu_isalpha(id[0])) { - return 0; - } - for (i = 1; id[i]; i++) { - if (!qemu_isalnum(id[i]) && !strchr("-._", id[i])) { - return 0; - } - } - return 1; -} - -QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, - int fail_if_exists, Error **errp) -{ - QemuOpts *opts = NULL; - - if (id) { - if (!id_wellformed(id)) { - error_set(errp,QERR_INVALID_PARAMETER_VALUE, "id", "an identifier"); -#if 0 /* conversion from qerror_report() to error_set() broke this: */ - error_printf_unless_qmp("Identifiers consist of letters, digits, '-', '.', '_', starting with a letter.\n"); -#endif - return NULL; - } - opts = qemu_opts_find(list, id); - if (opts != NULL) { - if (fail_if_exists && !list->merge_lists) { - error_set(errp, QERR_DUPLICATE_ID, id, list->name); - return NULL; - } else { - return opts; - } - } - } else if (list->merge_lists) { - opts = qemu_opts_find(list, NULL); - if (opts) { - return opts; - } - } - opts = g_malloc0(sizeof(*opts)); - opts->id = g_strdup(id); - opts->list = list; - loc_save(&opts->loc); - QTAILQ_INIT(&opts->head); - QTAILQ_INSERT_TAIL(&list->head, opts, next); - return opts; -} - -QemuOpts *qemu_opts_create_nofail(QemuOptsList *list) -{ - QemuOpts *opts; - Error *errp = NULL; - opts = qemu_opts_create(list, NULL, 0, &errp); - assert_no_error(errp); - return opts; -} - -void qemu_opts_reset(QemuOptsList *list) -{ - QemuOpts *opts, *next_opts; - - QTAILQ_FOREACH_SAFE(opts, &list->head, next, next_opts) { - qemu_opts_del(opts); - } -} - -void qemu_opts_loc_restore(QemuOpts *opts) -{ - loc_restore(&opts->loc); -} - -int qemu_opts_set(QemuOptsList *list, const char *id, - const char *name, const char *value) -{ - QemuOpts *opts; - Error *local_err = NULL; - - opts = qemu_opts_create(list, id, 1, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - return qemu_opt_set(opts, name, value); -} - -const char *qemu_opts_id(QemuOpts *opts) -{ - return opts->id; -} - -void qemu_opts_del(QemuOpts *opts) -{ - QemuOpt *opt; - - for (;;) { - opt = QTAILQ_FIRST(&opts->head); - if (opt == NULL) - break; - qemu_opt_del(opt); - } - QTAILQ_REMOVE(&opts->list->head, opts, next); - g_free(opts->id); - g_free(opts); -} - -int qemu_opts_print(QemuOpts *opts, void *dummy) -{ - QemuOpt *opt; - - fprintf(stderr, "%s: %s:", opts->list->name, - opts->id ? opts->id : "<noid>"); - QTAILQ_FOREACH(opt, &opts->head, next) { - fprintf(stderr, " %s=\"%s\"", opt->name, opt->str); - } - fprintf(stderr, "\n"); - return 0; -} - -static int opts_do_parse(QemuOpts *opts, const char *params, - const char *firstname, bool prepend) -{ - char option[128], value[1024]; - const char *p,*pe,*pc; - Error *local_err = NULL; - - for (p = params; *p != '\0'; p++) { - pe = strchr(p, '='); - pc = strchr(p, ','); - if (!pe || (pc && pc < pe)) { - /* found "foo,more" */ - if (p == params && firstname) { - /* implicitly named first option */ - pstrcpy(option, sizeof(option), firstname); - p = get_opt_value(value, sizeof(value), p); - } else { - /* option without value, probably a flag */ - p = get_opt_name(option, sizeof(option), p, ','); - if (strncmp(option, "no", 2) == 0) { - memmove(option, option+2, strlen(option+2)+1); - pstrcpy(value, sizeof(value), "off"); - } else { - pstrcpy(value, sizeof(value), "on"); - } - } - } else { - /* found "foo=bar,more" */ - p = get_opt_name(option, sizeof(option), p, '='); - if (*p != '=') { - break; - } - p++; - p = get_opt_value(value, sizeof(value), p); - } - if (strcmp(option, "id") != 0) { - /* store and parse */ - opt_set(opts, option, value, prepend, &local_err); - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - } - if (*p != ',') { - break; - } - } - return 0; -} - -int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname) -{ - return opts_do_parse(opts, params, firstname, false); -} - -static QemuOpts *opts_parse(QemuOptsList *list, const char *params, - int permit_abbrev, bool defaults) -{ - const char *firstname; - char value[1024], *id = NULL; - const char *p; - QemuOpts *opts; - Error *local_err = NULL; - - assert(!permit_abbrev || list->implied_opt_name); - firstname = permit_abbrev ? list->implied_opt_name : NULL; - - if (strncmp(params, "id=", 3) == 0) { - get_opt_value(value, sizeof(value), params+3); - id = value; - } else if ((p = strstr(params, ",id=")) != NULL) { - get_opt_value(value, sizeof(value), p+4); - id = value; - } - opts = qemu_opts_create(list, id, !defaults, &local_err); - if (opts == NULL) { - if (error_is_set(&local_err)) { - qerror_report_err(local_err); - error_free(local_err); - } - return NULL; - } - - if (opts_do_parse(opts, params, firstname, defaults) != 0) { - qemu_opts_del(opts); - return NULL; - } - - return opts; -} - -QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, - int permit_abbrev) -{ - return opts_parse(list, params, permit_abbrev, false); -} - -void qemu_opts_set_defaults(QemuOptsList *list, const char *params, - int permit_abbrev) -{ - QemuOpts *opts; - - opts = opts_parse(list, params, permit_abbrev, true); - assert(opts); -} - -typedef struct OptsFromQDictState { - QemuOpts *opts; - Error **errp; -} OptsFromQDictState; - -static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque) -{ - OptsFromQDictState *state = opaque; - char buf[32]; - const char *value; - int n; - - if (!strcmp(key, "id") || error_is_set(state->errp)) { - return; - } - - switch (qobject_type(obj)) { - case QTYPE_QSTRING: - value = qstring_get_str(qobject_to_qstring(obj)); - break; - case QTYPE_QINT: - n = snprintf(buf, sizeof(buf), "%" PRId64, - qint_get_int(qobject_to_qint(obj))); - assert(n < sizeof(buf)); - value = buf; - break; - case QTYPE_QFLOAT: - n = snprintf(buf, sizeof(buf), "%.17g", - qfloat_get_double(qobject_to_qfloat(obj))); - assert(n < sizeof(buf)); - value = buf; - break; - case QTYPE_QBOOL: - pstrcpy(buf, sizeof(buf), - qbool_get_int(qobject_to_qbool(obj)) ? "on" : "off"); - value = buf; - break; - default: - return; - } - - qemu_opt_set_err(state->opts, key, value, state->errp); -} - -/* - * Create QemuOpts from a QDict. - * Use value of key "id" as ID if it exists and is a QString. - * Only QStrings, QInts, QFloats and QBools are copied. Entries with - * other types are silently ignored. - */ -QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, - Error **errp) -{ - OptsFromQDictState state; - Error *local_err = NULL; - QemuOpts *opts; - - opts = qemu_opts_create(list, qdict_get_try_str(qdict, "id"), 1, - &local_err); - if (error_is_set(&local_err)) { - error_propagate(errp, local_err); - return NULL; - } - - assert(opts != NULL); - - state.errp = &local_err; - state.opts = opts; - qdict_iter(qdict, qemu_opts_from_qdict_1, &state); - if (error_is_set(&local_err)) { - error_propagate(errp, local_err); - qemu_opts_del(opts); - return NULL; - } - - return opts; -} - -/* - * Adds all QDict entries to the QemuOpts that can be added and removes them - * from the QDict. When this function returns, the QDict contains only those - * entries that couldn't be added to the QemuOpts. - */ -void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp) -{ - const QDictEntry *entry, *next; - - entry = qdict_first(qdict); - - while (entry != NULL) { - Error *local_err = NULL; - OptsFromQDictState state = { - .errp = &local_err, - .opts = opts, - }; - - next = qdict_next(qdict, entry); - - if (find_desc_by_name(opts->list->desc, entry->key)) { - qemu_opts_from_qdict_1(entry->key, entry->value, &state); - if (error_is_set(&local_err)) { - error_propagate(errp, local_err); - return; - } else { - qdict_del(qdict, entry->key); - } - } - - entry = next; - } -} - -/* - * Convert from QemuOpts to QDict. - * The QDict values are of type QString. - * TODO We'll want to use types appropriate for opt->desc->type, but - * this is enough for now. - */ -QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict) -{ - QemuOpt *opt; - QObject *val; - - if (!qdict) { - qdict = qdict_new(); - } - if (opts->id) { - qdict_put(qdict, "id", qstring_from_str(opts->id)); - } - QTAILQ_FOREACH(opt, &opts->head, next) { - val = QOBJECT(qstring_from_str(opt->str)); - qdict_put_obj(qdict, opt->name, val); - } - return qdict; -} - -/* Validate parsed opts against descriptions where no - * descriptions were provided in the QemuOptsList. - */ -void qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc, Error **errp) -{ - QemuOpt *opt; - Error *local_err = NULL; - - assert(opts_accepts_any(opts)); - - QTAILQ_FOREACH(opt, &opts->head, next) { - opt->desc = find_desc_by_name(desc, opt->name); - if (!opt->desc) { - error_set(errp, QERR_INVALID_PARAMETER, opt->name); - return; - } - - qemu_opt_parse(opt, &local_err); - if (error_is_set(&local_err)) { - error_propagate(errp, local_err); - return; - } - } -} - -int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque, - int abort_on_failure) -{ - Location loc; - QemuOpts *opts; - int rc = 0; - - loc_push_none(&loc); - QTAILQ_FOREACH(opts, &list->head, next) { - loc_restore(&opts->loc); - rc |= func(opts, opaque); - if (abort_on_failure && rc != 0) - break; - } - loc_pop(&loc); - return rc; -} diff --git a/contrib/qemu/util/qemu-thread-posix.c b/contrib/qemu/util/qemu-thread-posix.c deleted file mode 100644 index 4489abf1d85..00000000000 --- a/contrib/qemu/util/qemu-thread-posix.c +++ /dev/null @@ -1,327 +0,0 @@ -/* - * Wrappers around mutex/cond/thread functions - * - * Copyright Red Hat, Inc. 2009 - * - * Author: - * Marcelo Tosatti <mtosatti@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <time.h> -#include <signal.h> -#include <stdint.h> -#include <string.h> -#include <limits.h> -#include <unistd.h> -#include <sys/time.h> -#include "qemu/thread.h" - -static void error_exit(int err, const char *msg) -{ - fprintf(stderr, "qemu: %s: %s\n", msg, strerror(err)); - abort(); -} - -void qemu_mutex_init(QemuMutex *mutex) -{ - int err; - pthread_mutexattr_t mutexattr; - - pthread_mutexattr_init(&mutexattr); - pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK); - err = pthread_mutex_init(&mutex->lock, &mutexattr); - pthread_mutexattr_destroy(&mutexattr); - if (err) - error_exit(err, __func__); -} - -void qemu_mutex_destroy(QemuMutex *mutex) -{ - int err; - - err = pthread_mutex_destroy(&mutex->lock); - if (err) - error_exit(err, __func__); -} - -void qemu_mutex_lock(QemuMutex *mutex) -{ - int err; - - err = pthread_mutex_lock(&mutex->lock); - if (err) - error_exit(err, __func__); -} - -int qemu_mutex_trylock(QemuMutex *mutex) -{ - return pthread_mutex_trylock(&mutex->lock); -} - -void qemu_mutex_unlock(QemuMutex *mutex) -{ - int err; - - err = pthread_mutex_unlock(&mutex->lock); - if (err) - error_exit(err, __func__); -} - -void qemu_cond_init(QemuCond *cond) -{ - int err; - - err = pthread_cond_init(&cond->cond, NULL); - if (err) - error_exit(err, __func__); -} - -void qemu_cond_destroy(QemuCond *cond) -{ - int err; - - err = pthread_cond_destroy(&cond->cond); - if (err) - error_exit(err, __func__); -} - -void qemu_cond_signal(QemuCond *cond) -{ - int err; - - err = pthread_cond_signal(&cond->cond); - if (err) - error_exit(err, __func__); -} - -void qemu_cond_broadcast(QemuCond *cond) -{ - int err; - - err = pthread_cond_broadcast(&cond->cond); - if (err) - error_exit(err, __func__); -} - -void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex) -{ - int err; - - err = pthread_cond_wait(&cond->cond, &mutex->lock); - if (err) - error_exit(err, __func__); -} - -void qemu_sem_init(QemuSemaphore *sem, int init) -{ - int rc; - -#if defined(__APPLE__) || defined(__NetBSD__) - rc = pthread_mutex_init(&sem->lock, NULL); - if (rc != 0) { - error_exit(rc, __func__); - } - rc = pthread_cond_init(&sem->cond, NULL); - if (rc != 0) { - error_exit(rc, __func__); - } - if (init < 0) { - error_exit(EINVAL, __func__); - } - sem->count = init; -#else - rc = sem_init(&sem->sem, 0, init); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif -} - -void qemu_sem_destroy(QemuSemaphore *sem) -{ - int rc; - -#if defined(__APPLE__) || defined(__NetBSD__) - rc = pthread_cond_destroy(&sem->cond); - if (rc < 0) { - error_exit(rc, __func__); - } - rc = pthread_mutex_destroy(&sem->lock); - if (rc < 0) { - error_exit(rc, __func__); - } -#else - rc = sem_destroy(&sem->sem); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif -} - -void qemu_sem_post(QemuSemaphore *sem) -{ - int rc; - -#if defined(__APPLE__) || defined(__NetBSD__) - pthread_mutex_lock(&sem->lock); - if (sem->count == INT_MAX) { - rc = EINVAL; - } else if (sem->count++ < 0) { - rc = pthread_cond_signal(&sem->cond); - } else { - rc = 0; - } - pthread_mutex_unlock(&sem->lock); - if (rc != 0) { - error_exit(rc, __func__); - } -#else - rc = sem_post(&sem->sem); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif -} - -static void compute_abs_deadline(struct timespec *ts, int ms) -{ - struct timeval tv; - gettimeofday(&tv, NULL); - ts->tv_nsec = tv.tv_usec * 1000 + (ms % 1000) * 1000000; - ts->tv_sec = tv.tv_sec + ms / 1000; - if (ts->tv_nsec >= 1000000000) { - ts->tv_sec++; - ts->tv_nsec -= 1000000000; - } -} - -int qemu_sem_timedwait(QemuSemaphore *sem, int ms) -{ - int rc; - struct timespec ts; - -#if defined(__APPLE__) || defined(__NetBSD__) - compute_abs_deadline(&ts, ms); - pthread_mutex_lock(&sem->lock); - --sem->count; - while (sem->count < 0) { - rc = pthread_cond_timedwait(&sem->cond, &sem->lock, &ts); - if (rc == ETIMEDOUT) { - ++sem->count; - break; - } - if (rc != 0) { - error_exit(rc, __func__); - } - } - pthread_mutex_unlock(&sem->lock); - return (rc == ETIMEDOUT ? -1 : 0); -#else - if (ms <= 0) { - /* This is cheaper than sem_timedwait. */ - do { - rc = sem_trywait(&sem->sem); - } while (rc == -1 && errno == EINTR); - if (rc == -1 && errno == EAGAIN) { - return -1; - } - } else { - compute_abs_deadline(&ts, ms); - do { - rc = sem_timedwait(&sem->sem, &ts); - } while (rc == -1 && errno == EINTR); - if (rc == -1 && errno == ETIMEDOUT) { - return -1; - } - } - if (rc < 0) { - error_exit(errno, __func__); - } - return 0; -#endif -} - -void qemu_sem_wait(QemuSemaphore *sem) -{ -#if defined(__APPLE__) || defined(__NetBSD__) - pthread_mutex_lock(&sem->lock); - --sem->count; - while (sem->count < 0) { - pthread_cond_wait(&sem->cond, &sem->lock); - } - pthread_mutex_unlock(&sem->lock); -#else - int rc; - - do { - rc = sem_wait(&sem->sem); - } while (rc == -1 && errno == EINTR); - if (rc < 0) { - error_exit(errno, __func__); - } -#endif -} - -void qemu_thread_create(QemuThread *thread, - void *(*start_routine)(void*), - void *arg, int mode) -{ - sigset_t set, oldset; - int err; - pthread_attr_t attr; - - err = pthread_attr_init(&attr); - if (err) { - error_exit(err, __func__); - } - if (mode == QEMU_THREAD_DETACHED) { - err = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - if (err) { - error_exit(err, __func__); - } - } - - /* Leave signal handling to the iothread. */ - sigfillset(&set); - pthread_sigmask(SIG_SETMASK, &set, &oldset); - err = pthread_create(&thread->thread, &attr, start_routine, arg); - if (err) - error_exit(err, __func__); - - pthread_sigmask(SIG_SETMASK, &oldset, NULL); - - pthread_attr_destroy(&attr); -} - -void qemu_thread_get_self(QemuThread *thread) -{ - thread->thread = pthread_self(); -} - -bool qemu_thread_is_self(QemuThread *thread) -{ - return pthread_equal(pthread_self(), thread->thread); -} - -void qemu_thread_exit(void *retval) -{ - pthread_exit(retval); -} - -void *qemu_thread_join(QemuThread *thread) -{ - int err; - void *ret; - - err = pthread_join(thread->thread, &ret); - if (err) { - error_exit(err, __func__); - } - return ret; -} diff --git a/contrib/qemu/util/unicode.c b/contrib/qemu/util/unicode.c deleted file mode 100644 index d1c86588505..00000000000 --- a/contrib/qemu/util/unicode.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Dealing with Unicode - * - * Copyright (C) 2013 Red Hat, Inc. - * - * Authors: - * Markus Armbruster <armbru@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or - * later. See the COPYING file in the top-level directory. - */ - -#include "qemu-common.h" - -/** - * mod_utf8_codepoint: - * @s: string encoded in modified UTF-8 - * @n: maximum number of bytes to read from @s, if less than 6 - * @end: set to end of sequence on return - * - * Convert the modified UTF-8 sequence at the start of @s. Modified - * UTF-8 is exactly like UTF-8, except U+0000 is encoded as - * "\xC0\x80". - * - * If @n is zero or @s points to a zero byte, the sequence is invalid, - * and @end is set to @s. - * - * If @s points to an impossible byte (0xFE or 0xFF) or a continuation - * byte, the sequence is invalid, and @end is set to @s + 1 - * - * Else, the first byte determines how many continuation bytes are - * expected. If there are fewer, the sequence is invalid, and @end is - * set to @s + 1 + actual number of continuation bytes. Else, the - * sequence is well-formed, and @end is set to @s + 1 + expected - * number of continuation bytes. - * - * A well-formed sequence is valid unless it encodes a codepoint - * outside the Unicode range U+0000..U+10FFFF, one of Unicode's 66 - * noncharacters, a surrogate codepoint, or is overlong. Except the - * overlong sequence "\xC0\x80" is valid. - * - * Conversion succeeds if and only if the sequence is valid. - * - * Returns: the Unicode codepoint on success, -1 on failure. - */ -int mod_utf8_codepoint(const char *s, size_t n, char **end) -{ - static int min_cp[5] = { 0x80, 0x800, 0x10000, 0x200000, 0x4000000 }; - const unsigned char *p; - unsigned byte, mask, len, i; - int cp; - - if (n == 0 || *s == 0) { - /* empty sequence */ - *end = (char *)s; - return -1; - } - - p = (const unsigned char *)s; - byte = *p++; - if (byte < 0x80) { - cp = byte; /* one byte sequence */ - } else if (byte >= 0xFE) { - cp = -1; /* impossible bytes 0xFE, 0xFF */ - } else if ((byte & 0x40) == 0) { - cp = -1; /* unexpected continuation byte */ - } else { - /* multi-byte sequence */ - len = 0; - for (mask = 0x80; byte & mask; mask >>= 1) { - len++; - } - assert(len > 1 && len < 7); - cp = byte & (mask - 1); - for (i = 1; i < len; i++) { - byte = i < n ? *p : 0; - if ((byte & 0xC0) != 0x80) { - cp = -1; /* continuation byte missing */ - goto out; - } - p++; - cp <<= 6; - cp |= byte & 0x3F; - } - if (cp > 0x10FFFF) { - cp = -1; /* beyond Unicode range */ - } else if ((cp >= 0xFDD0 && cp <= 0xFDEF) - || (cp & 0xFFFE) == 0xFFFE) { - cp = -1; /* noncharacter */ - } else if (cp >= 0xD800 && cp <= 0xDFFF) { - cp = -1; /* surrogate code point */ - } else if (cp < min_cp[len - 2] && !(cp == 0 && len == 2)) { - cp = -1; /* overlong, not \xC0\x80 */ - } - } - -out: - *end = (char *)p; - return cp; -} |