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 "qemu-common.h"
  17
  18 bool colo_supported(void);
  19 void colo_info_init(void);
  20
  21 void migrate_start_colo_process(MigrationState *s);
  22 bool migration_in_colo_state(void);
  23
  24 /* loadvm */
  25 bool migration_incoming_enable_colo(void);
  26 void migration_incoming_exit_colo(void);
  27 void *colo_process_incoming_thread(void *opaque);
  28 bool migration_incoming_in_colo_state(void);
  29
  30 COLOMode get_colo_mode(void);
  31
  32 /* failover */
  33 void colo_do_failover(MigrationState *s);
  34
  35 void colo_checkpoint_notify(void *opaque);
  36 #endif