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vfio: cpr-exec mode

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All blockers and notifiers for cpr-transfer mode also apply to cpr-exec.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Acked-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/30750362-d4a1-4392-8dd6-016624d01be1@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Steve Sistare
2025-10-03 09:48:02 -04:00
committed by Peter Xu
parent 2f9dc012ec
commit ee1ca09fc1
4 changed files with 16 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
hw/vfio/container-legacy.c
+2 -1
View File
@@ -990,7 +990,8 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
error_setg(&vbasedev->cpr.mdev_blocker,
"CPR does not support vfio mdev %s", vbasedev->name);
if (migrate_add_blocker_modes(&vbasedev->cpr.mdev_blocker, errp,
MIG_MODE_CPR_TRANSFER, -1) < 0) {
MIG_MODE_CPR_TRANSFER, MIG_MODE_CPR_EXEC,
-1) < 0) {
goto hiod_unref_exit;
}
}
hw/vfio/cpr-iommufd.c
+2 -1
View File
@@ -159,7 +159,8 @@ bool vfio_iommufd_cpr_register_iommufd(IOMMUFDBackend *be, Error **errp)
if (!vfio_cpr_supported(be, cpr_blocker)) {
return migrate_add_blocker_modes(cpr_blocker, errp,
MIG_MODE_CPR_TRANSFER, -1) == 0;
MIG_MODE_CPR_TRANSFER,
MIG_MODE_CPR_EXEC, -1) == 0;
}
vmstate_register(NULL, -1, &iommufd_cpr_vmstate, be);
hw/vfio/cpr-legacy.c
+5 -4
View File
@@ -179,16 +179,17 @@ bool vfio_legacy_cpr_register_container(VFIOLegacyContainer *container,
if (!vfio_cpr_supported(container, cpr_blocker)) {
return migrate_add_blocker_modes(cpr_blocker, errp,
MIG_MODE_CPR_TRANSFER, -1) == 0;
MIG_MODE_CPR_TRANSFER,
MIG_MODE_CPR_EXEC, -1) == 0;
}
vfio_cpr_add_kvm_notifier();
vmstate_register(NULL, -1, &vfio_container_vmstate, container);
migration_add_notifier_mode(&container->cpr.transfer_notifier,
vfio_cpr_fail_notifier,
MIG_MODE_CPR_TRANSFER);
migration_add_notifier_modes(&container->cpr.transfer_notifier,
vfio_cpr_fail_notifier,
MIG_MODE_CPR_TRANSFER, MIG_MODE_CPR_EXEC, -1);
return true;
}
hw/vfio/cpr.c
+7 -6
View File
@@ -195,9 +195,10 @@ static int vfio_cpr_kvm_close_notifier(NotifierWithReturn *notifier,
void vfio_cpr_add_kvm_notifier(void)
{
if (!kvm_close_notifier.notify) {
migration_add_notifier_mode(&kvm_close_notifier,
vfio_cpr_kvm_close_notifier,
MIG_MODE_CPR_TRANSFER);
migration_add_notifier_modes(&kvm_close_notifier,
vfio_cpr_kvm_close_notifier,
MIG_MODE_CPR_TRANSFER, MIG_MODE_CPR_EXEC,
-1);
}
}
@@ -282,9 +283,9 @@ static int vfio_cpr_pci_notifier(NotifierWithReturn *notifier,
void vfio_cpr_pci_register_device(VFIOPCIDevice *vdev)
{
migration_add_notifier_mode(&vdev->cpr.transfer_notifier,
vfio_cpr_pci_notifier,
MIG_MODE_CPR_TRANSFER);
migration_add_notifier_modes(&vdev->cpr.transfer_notifier,
vfio_cpr_pci_notifier,
MIG_MODE_CPR_TRANSFER, MIG_MODE_CPR_EXEC, -1);
}
void vfio_cpr_pci_unregister_device(VFIOPCIDevice *vdev)