| /* |
| * 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" |
| #include "qapi/error.h" |
| #include "qemu/option.h" |
| |
| |
| #define SNAPSHOT_OPT_BASE "snapshot." |
| #define SNAPSHOT_OPT_ID "snapshot.id" |
| #define SNAPSHOT_OPT_NAME "snapshot.name" |
| |
| extern QemuOptsList internal_snapshot_opts; |
| |
| 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); |
| bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs, |
| const char *id, |
| const char *name, |
| QEMUSnapshotInfo *sn_info, |
| Error **errp); |
| 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, |
| const char *name, |
| Error **errp); |
| void bdrv_snapshot_delete_by_id_or_name(BlockDriverState *bs, |
| const char *id_or_name, |
| Error **errp); |
| int bdrv_snapshot_list(BlockDriverState *bs, |
| QEMUSnapshotInfo **psn_info); |
| int bdrv_snapshot_load_tmp(BlockDriverState *bs, |
| const char *snapshot_id, |
| const char *name, |
| Error **errp); |
| int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs, |
| const char *id_or_name, |
| Error **errp); |
| #endif |