| 1 | /* |
| 2 | * QEMU snapshots |
| 3 | * |
| 4 | * Copyright (c) 2004-2008 Fabrice Bellard |
| 5 | * Copyright (c) 2009-2015 Red Hat Inc |
| 6 | * |
| 7 | * Authors: |
| 8 | * Juan Quintela <quintela@redhat.com> |
| 9 | * |
| 10 | * |
| 11 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 12 | * See the COPYING file in the top-level directory. |
| 13 | */ |
| 14 | |
| 15 | #ifndef QEMU_MIGRATION_SNAPSHOT_H |
| 16 | #define QEMU_MIGRATION_SNAPSHOT_H |
| 17 | |
| 18 | #include "qapi/qapi-builtin-types.h" |
| 19 | #include "qapi/qapi-types-run-state.h" |
| 20 | |
| 21 | /** |
| 22 | * save_snapshot: Save an internal snapshot. |
| 23 | * @name: name of internal snapshot |
| 24 | * @overwrite: replace existing snapshot with @name |
| 25 | * @vmstate: blockdev node name to store VM state in |
| 26 | * @has_devices: whether to use explicit device list |
| 27 | * @devices: explicit device list to snapshot |
| 28 | * @errp: pointer to error object |
| 29 | * On success, return %true. |
| 30 | * On failure, store an error through @errp and return %false. |
| 31 | */ |
| 32 | bool save_snapshot(const char *name, bool overwrite, |
| 33 | const char *vmstate, |
| 34 | bool has_devices, strList *devices, |
| 35 | Error **errp); |
| 36 | |
| 37 | /** |
| 38 | * load_snapshot: Load an internal snapshot. |
| 39 | * @name: name of internal snapshot |
| 40 | * @vmstate: blockdev node name to load VM state from |
| 41 | * @has_devices: whether to use explicit device list |
| 42 | * @devices: explicit device list to snapshot |
| 43 | * @errp: pointer to error object |
| 44 | * On success, return %true. |
| 45 | * On failure, store an error through @errp and return %false. |
| 46 | */ |
| 47 | bool load_snapshot(const char *name, |
| 48 | const char *vmstate, |
| 49 | bool has_devices, strList *devices, |
| 50 | Error **errp); |
| 51 | |
| 52 | /** |
| 53 | * delete_snapshot: Delete a snapshot. |
| 54 | * @name: path to snapshot |
| 55 | * @has_devices: whether to use explicit device list |
| 56 | * @devices: explicit device list to snapshot |
| 57 | * @errp: pointer to error object |
| 58 | * On success, return %true. |
| 59 | * On failure, store an error through @errp and return %false. |
| 60 | */ |
| 61 | bool delete_snapshot(const char *name, |
| 62 | bool has_devices, strList *devices, |
| 63 | Error **errp); |
| 64 | |
| 65 | /** |
| 66 | * load_snapshot_resume: Restore runstate after loading snapshot. |
| 67 | * @state: state to restore |
| 68 | */ |
| 69 | void load_snapshot_resume(RunState state); |
| 70 | |
| 71 | #endif |