18b1d3c952
COLO will copy all memory in a RAM block, disable discarding of RAM. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Lukas Straub <lukasstraub2@web.de> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Hailiang Zhang <zhang.zhanghailiang@huawei.com> Cc: Juan Quintela <quintela@redhat.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20200626072248.78761-10-david@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*
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* COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
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* (a.k.a. Fault Tolerance or Continuous Replication)
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*
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* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
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* Copyright (c) 2016 FUJITSU LIMITED
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* Copyright (c) 2016 Intel Corporation
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_COLO_H
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#define QEMU_COLO_H
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#include "qapi/qapi-types-migration.h"
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enum colo_event {
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COLO_EVENT_NONE,
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COLO_EVENT_CHECKPOINT,
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COLO_EVENT_FAILOVER,
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};
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void migrate_start_colo_process(MigrationState *s);
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bool migration_in_colo_state(void);
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/* loadvm */
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int migration_incoming_enable_colo(void);
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void migration_incoming_disable_colo(void);
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bool migration_incoming_colo_enabled(void);
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void *colo_process_incoming_thread(void *opaque);
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bool migration_incoming_in_colo_state(void);
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COLOMode get_colo_mode(void);
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/* failover */
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void colo_do_failover(void);
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void colo_checkpoint_notify(void *opaque);
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#endif
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