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25#ifndef SNAPSHOT_H
26#define SNAPSHOT_H
27
28#include "qapi/qapi-builtin-types.h"
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 uint64_t icount;
46} QEMUSnapshotInfo;
47
48int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
49 const char *name);
50bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs,
51 const char *id,
52 const char *name,
53 QEMUSnapshotInfo *sn_info,
54 Error **errp);
55int bdrv_can_snapshot(BlockDriverState *bs);
56int bdrv_snapshot_create(BlockDriverState *bs,
57 QEMUSnapshotInfo *sn_info);
58int bdrv_snapshot_goto(BlockDriverState *bs,
59 const char *snapshot_id,
60 Error **errp);
61int bdrv_snapshot_delete(BlockDriverState *bs,
62 const char *snapshot_id,
63 const char *name,
64 Error **errp);
65int bdrv_snapshot_list(BlockDriverState *bs,
66 QEMUSnapshotInfo **psn_info);
67int bdrv_snapshot_load_tmp(BlockDriverState *bs,
68 const char *snapshot_id,
69 const char *name,
70 Error **errp);
71int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs,
72 const char *id_or_name,
73 Error **errp);
74
75
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77
78
79
80bool bdrv_all_can_snapshot(bool has_devices, strList *devices,
81 Error **errp);
82int bdrv_all_delete_snapshot(const char *name,
83 bool has_devices, strList *devices,
84 Error **errp);
85int bdrv_all_goto_snapshot(const char *name,
86 bool has_devices, strList *devices,
87 Error **errp);
88int bdrv_all_has_snapshot(const char *name,
89 bool has_devices, strList *devices,
90 Error **errp);
91int bdrv_all_create_snapshot(QEMUSnapshotInfo *sn,
92 BlockDriverState *vm_state_bs,
93 uint64_t vm_state_size,
94 bool has_devices,
95 strList *devices,
96 Error **errp);
97
98BlockDriverState *bdrv_all_find_vmstate_bs(const char *vmstate_bs,
99 bool has_devices, strList *devices,
100 Error **errp);
101
102#endif
103