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25#ifndef SNAPSHOT_H
26#define SNAPSHOT_H
27
28
29
30#define SNAPSHOT_OPT_BASE "snapshot."
31#define SNAPSHOT_OPT_ID "snapshot.id"
32#define SNAPSHOT_OPT_NAME "snapshot.name"
33
34extern QemuOptsList internal_snapshot_opts;
35
36typedef struct QEMUSnapshotInfo {
37 char id_str[128];
38
39
40 char name[256];
41 uint64_t vm_state_size;
42 uint32_t date_sec;
43 uint32_t date_nsec;
44 uint64_t vm_clock_nsec;
45} QEMUSnapshotInfo;
46
47int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
48 const char *name);
49bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs,
50 const char *id,
51 const char *name,
52 QEMUSnapshotInfo *sn_info,
53 Error **errp);
54int bdrv_can_snapshot(BlockDriverState *bs);
55int bdrv_snapshot_create(BlockDriverState *bs,
56 QEMUSnapshotInfo *sn_info);
57int bdrv_snapshot_goto(BlockDriverState *bs,
58 const char *snapshot_id,
59 Error **errp);
60int bdrv_snapshot_delete(BlockDriverState *bs,
61 const char *snapshot_id,
62 const char *name,
63 Error **errp);
64int bdrv_snapshot_list(BlockDriverState *bs,
65 QEMUSnapshotInfo **psn_info);
66int bdrv_snapshot_load_tmp(BlockDriverState *bs,
67 const char *snapshot_id,
68 const char *name,
69 Error **errp);
70int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs,
71 const char *id_or_name,
72 Error **errp);
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78
79bool bdrv_all_can_snapshot(BlockDriverState **first_bad_bs);
80int bdrv_all_delete_snapshot(const char *name, BlockDriverState **first_bsd_bs,
81 Error **err);
82int bdrv_all_goto_snapshot(const char *name, BlockDriverState **first_bad_bs,
83 Error **errp);
84int bdrv_all_find_snapshot(const char *name, BlockDriverState **first_bad_bs);
85int bdrv_all_create_snapshot(QEMUSnapshotInfo *sn,
86 BlockDriverState *vm_state_bs,
87 uint64_t vm_state_size,
88 BlockDriverState **first_bad_bs);
89
90BlockDriverState *bdrv_all_find_vmstate_bs(void);
91
92#endif
93