qemu

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/*
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 * Copyright (c) 2021-2024 Oracle and/or its affiliates.
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 *
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 * This work is licensed under the terms of the GNU GPL, version 2 or later.
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 * See the COPYING file in the top-level directory.
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 */
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#include "qemu/osdep.h"
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#include "hw/vfio/vfio-common.h"
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#include "migration/misc.h"
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#include "qapi/error.h"
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#include "sysemu/runstate.h"
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static int vfio_cpr_reboot_notifier(NotifierWithReturn *notifier,
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                                    MigrationEvent *e, Error **errp)
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{
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    if (e->type == MIG_EVENT_PRECOPY_SETUP &&
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        !runstate_check(RUN_STATE_SUSPENDED) && !vm_get_suspended()) {
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        error_setg(errp,
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            "VFIO device only supports cpr-reboot for runstate suspended");
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        return -1;
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    }
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    return 0;
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}
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bool vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp)
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{
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    migration_add_notifier_mode(&bcontainer->cpr_reboot_notifier,
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                                vfio_cpr_reboot_notifier,
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                                MIG_MODE_CPR_REBOOT);
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    return true;
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}
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void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer)
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{
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    migration_remove_notifier(&bcontainer->cpr_reboot_notifier);
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}
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