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Diffstat (limited to 'contrib/qemu/include/block/snapshot.h')
-rw-r--r-- | contrib/qemu/include/block/snapshot.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/qemu/include/block/snapshot.h b/contrib/qemu/include/block/snapshot.h new file mode 100644 index 00000000000..eaf61f0326e --- /dev/null +++ b/contrib/qemu/include/block/snapshot.h @@ -0,0 +1,53 @@ +/* + * 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 |