diff options
Diffstat (limited to 'include/migration/colo.h')
-rw-r--r-- | include/migration/colo.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/migration/colo.h b/include/migration/colo.h new file mode 100644 index 000000000..768e1f04c --- /dev/null +++ b/include/migration/colo.h @@ -0,0 +1,40 @@ +/* + * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO) + * (a.k.a. Fault Tolerance or Continuous Replication) + * + * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. + * Copyright (c) 2016 FUJITSU LIMITED + * Copyright (c) 2016 Intel Corporation + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_COLO_H +#define QEMU_COLO_H + +#include "qapi/qapi-types-migration.h" + +enum colo_event { + COLO_EVENT_NONE, + COLO_EVENT_CHECKPOINT, + COLO_EVENT_FAILOVER, +}; + +void migrate_start_colo_process(MigrationState *s); +bool migration_in_colo_state(void); + +/* loadvm */ +int migration_incoming_enable_colo(void); +void migration_incoming_disable_colo(void); +bool migration_incoming_colo_enabled(void); +void *colo_process_incoming_thread(void *opaque); +bool migration_incoming_in_colo_state(void); + +COLOMode get_colo_mode(void); + +/* failover */ +void colo_do_failover(void); + +void colo_checkpoint_notify(void *opaque); +#endif |