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Diffstat (limited to 'contrib/macfuse/fuse_param.h')
| -rw-r--r-- | contrib/macfuse/fuse_param.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/macfuse/fuse_param.h b/contrib/macfuse/fuse_param.h new file mode 100644 index 00000000000..81d753c6cd7 --- /dev/null +++ b/contrib/macfuse/fuse_param.h @@ -0,0 +1,147 @@ +/* + * Copyright (C) 2006-2008 Google. All Rights Reserved. + * Amit Singh <singh@> + */ + +#ifndef _FUSE_PARAM_H_ +#define _FUSE_PARAM_H_ + +/* Compile-time tunables (M_MACFUSE*) */ + +#define M_MACFUSE_ENABLE_FIFOFS 0 +#define M_MACFUSE_ENABLE_INTERRUPT 1 +#define M_MACFUSE_ENABLE_SPECFS 0 +#define M_MACFUSE_ENABLE_TSLOCKING 0 +#define M_MACFUSE_ENABLE_UNSUPPORTED 1 +#define M_MACFUSE_ENABLE_XATTR 1 + +#if M_MACFUSE_ENABLE_UNSUPPORTED + #define M_MACFUSE_ENABLE_DSELECT 0 + #define M_MACFUSE_ENABLE_EXCHANGE 1 + #define M_MACFUSE_ENABLE_KQUEUE 1 + #define M_MACFUSE_ENABLE_KUNC 0 +#if __LP64__ + #define M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK 1 +#endif /* __LP64__ */ +#endif /* M_MACFUSE_ENABLE_UNSUPPORTED */ + +#if M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK +#define FUSE_VNOP_EXPORT __private_extern__ +#else +#define FUSE_VNOP_EXPORT static +#endif /* M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK */ + +/* User Control */ + +#define MACFUSE_POSTUNMOUNT_SIGNAL SIGKILL + +#define MACOSX_ADMIN_GROUP_NAME "admin" + +#define SYSCTL_MACFUSE_TUNABLES_ADMIN "macfuse.tunables.admin_group" +#define SYSCTL_MACFUSE_VERSION_NUMBER "macfuse.version.number" + +/* Paths */ + +#define MACFUSE_BUNDLE_PATH "/Library/Filesystems/fusefs.fs" +#define MACFUSE_KEXT MACFUSE_BUNDLE_PATH "/Support/fusefs.kext" +#define MACFUSE_LOAD_PROG MACFUSE_BUNDLE_PATH "/Support/load_fusefs" +#define MACFUSE_MOUNT_PROG MACFUSE_BUNDLE_PATH "/Support/mount_fusefs" +#define SYSTEM_KEXTLOAD "/sbin/kextload" +#define SYSTEM_KEXTUNLOAD "/sbin/kextunload" + +/* Compatible API version */ + +#define MACFUSE_MIN_USER_VERSION_MAJOR 7 +#define MACFUSE_MIN_USER_VERSION_MINOR 5 + +/* Device Interface */ + +/* + * This is the prefix ("fuse" by default) of the name of a FUSE device node + * in devfs. The suffix is the device number. "/dev/fuse0" is the first FUSE + * device by default. If you change the prefix from the default to something + * else, the user-space FUSE library will need to know about it too. + */ +#define MACFUSE_DEVICE_BASENAME "fuse" + +/* + * This is the number of /dev/fuse<n> nodes we will create. <n> goes from + * 0 to (FUSE_NDEVICES - 1). + */ +#define MACFUSE_NDEVICES 24 + +/* + * This is the default block size of the virtual storage devices that are + * implicitly implemented by the FUSE kernel extension. This can be changed + * on a per-mount basis (there's one such virtual device for each mount). + */ +#define FUSE_DEFAULT_BLOCKSIZE 4096 + +#define FUSE_MIN_BLOCKSIZE 512 +#define FUSE_MAX_BLOCKSIZE MAXPHYS + +#ifndef MAX_UPL_TRANSFER +#define MAX_UPL_TRANSFER 256 +#endif + +/* + * This is default I/O size used while accessing the virtual storage devices. + * This can be changed on a per-mount basis. + * + * Nevertheless, the I/O size must be at least as big as the block size. + */ +#define FUSE_DEFAULT_IOSIZE (16 * PAGE_SIZE) + +#define FUSE_MIN_IOSIZE 512 +#define FUSE_MAX_IOSIZE (MAX_UPL_TRANSFER * PAGE_SIZE) + +#define FUSE_DEFAULT_INIT_TIMEOUT 10 /* s */ +#define FUSE_MIN_INIT_TIMEOUT 1 /* s */ +#define FUSE_MAX_INIT_TIMEOUT 300 /* s */ +#define FUSE_INIT_WAIT_INTERVAL 100000 /* us */ + +#define FUSE_INIT_TIMEOUT_DEFAULT_BUTTON_TITLE "OK" +#define FUSE_INIT_TIMEOUT_NOTICE_MESSAGE \ + "Timed out waiting for the file system to initialize. The volume has " \ + "been ejected. You can use the init_timeout mount option to wait longer." + +#define FUSE_DEFAULT_DAEMON_TIMEOUT 60 /* s */ +#define FUSE_MIN_DAEMON_TIMEOUT 0 /* s */ +#define FUSE_MAX_DAEMON_TIMEOUT 600 /* s */ + +#define FUSE_DAEMON_TIMEOUT_DEFAULT_BUTTON_TITLE "Keep Trying" +#define FUSE_DAEMON_TIMEOUT_OTHER_BUTTON_TITLE "Force Eject" +#define FUSE_DAEMON_TIMEOUT_ALTERNATE_BUTTON_TITLE "Don't Warn Again" +#define FUSE_DAEMON_TIMEOUT_ALERT_MESSAGE \ + "There was a timeout waiting for the file system to respond. You can " \ + "eject this volume immediately, but unsaved changes may be lost." +#define FUSE_DAEMON_TIMEOUT_ALERT_TIMEOUT 120 /* s */ + +#ifdef KERNEL + +/* + * This is the soft upper limit on the number of "request tickets" FUSE's + * user-kernel IPC layer can have for a given mount. This can be modified + * through the fuse.* sysctl interface. + */ +#define FUSE_DEFAULT_MAX_FREE_TICKETS 1024 +#define FUSE_DEFAULT_IOV_PERMANENT_BUFSIZE (1 << 19) +#define FUSE_DEFAULT_IOV_CREDIT 16 + +/* User-Kernel IPC Buffer */ + +#define FUSE_MIN_USERKERNEL_BUFSIZE (128 * 1024) +#define FUSE_MAX_USERKERNEL_BUFSIZE (4096 * 1024) + +#define FUSE_REASONABLE_XATTRSIZE FUSE_MIN_USERKERNEL_BUFSIZE + +#endif /* KERNEL */ + +#define FUSE_DEFAULT_USERKERNEL_BUFSIZE (4096 * 1024) + +#define FUSE_LINK_MAX LINK_MAX +#define FUSE_UIO_BACKUP_MAX 8 + +#define FUSE_MAXNAMLEN 255 + +#endif /* _FUSE_PARAM_H_ */ |