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25#ifndef SNAPSHOT_H
26#define SNAPSHOT_H
27
28#include "qemu-common.h"
29#include "qemu/option.h"
30
31
32#define SNAPSHOT_OPT_BASE "snapshot."
33#define SNAPSHOT_OPT_ID "snapshot.id"
34#define SNAPSHOT_OPT_NAME "snapshot.name"
35
36extern QemuOptsList internal_snapshot_opts;
37
38typedef struct QEMUSnapshotInfo {
39 char id_str[128];
40
41
42 char name[256];
43 uint64_t vm_state_size;
44 uint32_t date_sec;
45 uint32_t date_nsec;
46 uint64_t vm_clock_nsec;
47} QEMUSnapshotInfo;
48
49int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
50 const char *name);
51bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs,
52 const char *id,
53 const char *name,
54 QEMUSnapshotInfo *sn_info,
55 Error **errp);
56int bdrv_can_snapshot(BlockDriverState *bs);
57int bdrv_snapshot_create(BlockDriverState *bs,
58 QEMUSnapshotInfo *sn_info);
59int bdrv_snapshot_goto(BlockDriverState *bs,
60 const char *snapshot_id,
61 Error **errp);
62int bdrv_snapshot_delete(BlockDriverState *bs,
63 const char *snapshot_id,
64 const char *name,
65 Error **errp);
66int bdrv_snapshot_delete_by_id_or_name(BlockDriverState *bs,
67 const char *id_or_name,
68 Error **errp);
69int bdrv_snapshot_list(BlockDriverState *bs,
70 QEMUSnapshotInfo **psn_info);
71int bdrv_snapshot_load_tmp(BlockDriverState *bs,
72 const char *snapshot_id,
73 const char *name,
74 Error **errp);
75int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs,
76 const char *id_or_name,
77 Error **errp);
78
79
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81
82
83
84bool bdrv_all_can_snapshot(BlockDriverState **first_bad_bs);
85int bdrv_all_delete_snapshot(const char *name, BlockDriverState **first_bsd_bs,
86 Error **err);
87int bdrv_all_goto_snapshot(const char *name, BlockDriverState **first_bad_bs,
88 Error **errp);
89int bdrv_all_find_snapshot(const char *name, BlockDriverState **first_bad_bs);
90int bdrv_all_create_snapshot(QEMUSnapshotInfo *sn,
91 BlockDriverState *vm_state_bs,
92 uint64_t vm_state_size,
93 BlockDriverState **first_bad_bs);
94
95BlockDriverState *bdrv_all_find_vmstate_bs(void);
96
97#endif
98