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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);
61int bdrv_snapshot_delete(BlockDriverState *bs,
62 const char *snapshot_id,
63 const char *name,
64 Error **errp);
65int bdrv_snapshot_delete_by_id_or_name(BlockDriverState *bs,
66 const char *id_or_name,
67 Error **errp);
68int bdrv_snapshot_list(BlockDriverState *bs,
69 QEMUSnapshotInfo **psn_info);
70int bdrv_snapshot_load_tmp(BlockDriverState *bs,
71 const char *snapshot_id,
72 const char *name,
73 Error **errp);
74int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs,
75 const char *id_or_name,
76 Error **errp);
77
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80
81
82
83bool bdrv_all_can_snapshot(BlockDriverState **first_bad_bs);
84int bdrv_all_delete_snapshot(const char *name, BlockDriverState **first_bsd_bs,
85 Error **err);
86int bdrv_all_goto_snapshot(const char *name, BlockDriverState **first_bsd_bs);
87int bdrv_all_find_snapshot(const char *name, BlockDriverState **first_bad_bs);
88int bdrv_all_create_snapshot(QEMUSnapshotInfo *sn,
89 BlockDriverState *vm_state_bs,
90 uint64_t vm_state_size,
91 BlockDriverState **first_bad_bs);
92
93BlockDriverState *bdrv_all_find_vmstate_bs(void);
94
95#endif
96