shippable.yml: Remove the Debian9-based MinGW cross-compiler tests
[qemu.git] / include / migration / colo.h
1 /*
2 * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
3 * (a.k.a. Fault Tolerance or Continuous Replication)
4 *
5 * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
6 * Copyright (c) 2016 FUJITSU LIMITED
7 * Copyright (c) 2016 Intel Corporation
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * later. See the COPYING file in the top-level directory.
11 */
12
13 #ifndef QEMU_COLO_H
14 #define QEMU_COLO_H
15
16 #include "qapi/qapi-types-migration.h"
17
18 enum colo_event {
19 COLO_EVENT_NONE,
20 COLO_EVENT_CHECKPOINT,
21 COLO_EVENT_FAILOVER,
22 };
23
24 void migrate_start_colo_process(MigrationState *s);
25 bool migration_in_colo_state(void);
26
27 /* loadvm */
28 int migration_incoming_enable_colo(void);
29 void migration_incoming_disable_colo(void);
30 bool migration_incoming_colo_enabled(void);
31 void *colo_process_incoming_thread(void *opaque);
32 bool migration_incoming_in_colo_state(void);
33
34 COLOMode get_colo_mode(void);
35
36 /* failover */
37 void colo_do_failover(void);
38
39 void colo_checkpoint_notify(void *opaque);
40 #endif