blob: 87e51fcee176fe1fa93349f08e9f9ca84b474729 [file] [log] [blame]
/*
* Copyright (c) 2021-2024 Oracle and/or its affiliates.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "hw/vfio/vfio-common.h"
#include "migration/misc.h"
#include "qapi/error.h"
#include "sysemu/runstate.h"
static int vfio_cpr_reboot_notifier(NotifierWithReturn *notifier,
MigrationEvent *e, Error **errp)
{
if (e->type == MIG_EVENT_PRECOPY_SETUP &&
!runstate_check(RUN_STATE_SUSPENDED) && !vm_get_suspended()) {
error_setg(errp,
"VFIO device only supports cpr-reboot for runstate suspended");
return -1;
}
return 0;
}
bool vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp)
{
migration_add_notifier_mode(&bcontainer->cpr_reboot_notifier,
vfio_cpr_reboot_notifier,
MIG_MODE_CPR_REBOOT);
return true;
}
void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer)
{
migration_remove_notifier(&bcontainer->cpr_reboot_notifier);
}