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de08c606 WX |
1 | /* |
2 | * Block layer snapshot related functions | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
25 | #ifndef SNAPSHOT_H | |
26 | #define SNAPSHOT_H | |
27 | ||
28 | #include "qemu-common.h" | |
2ea1dd75 | 29 | #include "qapi/error.h" |
8c116b0e WX |
30 | #include "qemu/option.h" |
31 | ||
32 | ||
33 | #define SNAPSHOT_OPT_BASE "snapshot." | |
34 | #define SNAPSHOT_OPT_ID "snapshot.id" | |
35 | #define SNAPSHOT_OPT_NAME "snapshot.name" | |
36 | ||
37 | extern QemuOptsList internal_snapshot_opts; | |
de08c606 WX |
38 | |
39 | typedef struct QEMUSnapshotInfo { | |
40 | char id_str[128]; /* unique snapshot id */ | |
41 | /* the following fields are informative. They are not needed for | |
42 | the consistency of the snapshot */ | |
43 | char name[256]; /* user chosen name */ | |
44 | uint64_t vm_state_size; /* VM state info size */ | |
45 | uint32_t date_sec; /* UTC date of the snapshot */ | |
46 | uint32_t date_nsec; | |
47 | uint64_t vm_clock_nsec; /* VM clock relative to boot */ | |
48 | } QEMUSnapshotInfo; | |
49 | ||
50 | int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
51 | const char *name); | |
2ea1dd75 WX |
52 | bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs, |
53 | const char *id, | |
54 | const char *name, | |
55 | QEMUSnapshotInfo *sn_info, | |
56 | Error **errp); | |
de08c606 WX |
57 | int bdrv_can_snapshot(BlockDriverState *bs); |
58 | int bdrv_snapshot_create(BlockDriverState *bs, | |
59 | QEMUSnapshotInfo *sn_info); | |
60 | int bdrv_snapshot_goto(BlockDriverState *bs, | |
61 | const char *snapshot_id); | |
a89d89d3 WX |
62 | int bdrv_snapshot_delete(BlockDriverState *bs, |
63 | const char *snapshot_id, | |
64 | const char *name, | |
65 | Error **errp); | |
66 | void bdrv_snapshot_delete_by_id_or_name(BlockDriverState *bs, | |
67 | const char *id_or_name, | |
68 | Error **errp); | |
de08c606 WX |
69 | int bdrv_snapshot_list(BlockDriverState *bs, |
70 | QEMUSnapshotInfo **psn_info); | |
71 | int bdrv_snapshot_load_tmp(BlockDriverState *bs, | |
7b4c4781 WX |
72 | const char *snapshot_id, |
73 | const char *name, | |
74 | Error **errp); | |
75 | int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs, | |
76 | const char *id_or_name, | |
77 | Error **errp); | |
de08c606 | 78 | #endif |