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-rw-r--r--hw/vfio/pci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index c1cee280ae..1bbf15cea3 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3381,6 +3381,9 @@ static const Property vfio_pci_dev_properties[] = {
                     VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false),
     DEFINE_PROP_ON_OFF_AUTO("enable-migration", VFIOPCIDevice,
                             vbasedev.enable_migration, ON_OFF_AUTO_AUTO),
+    DEFINE_PROP_ON_OFF_AUTO("x-migration-multifd-transfer", VFIOPCIDevice,
+                            vbasedev.migration_multifd_transfer,
+                            ON_OFF_AUTO_AUTO),
     DEFINE_PROP_BOOL("migration-events", VFIOPCIDevice,
                      vbasedev.migration_events, false),
     DEFINE_PROP_BOOL("x-no-mmap", VFIOPCIDevice, vbasedev.no_mmap, false),
@@ -3553,6 +3556,10 @@ static void vfio_pci_dev_class_init(ObjectClass *klass, void *data)
                                           "Skip config space check for Vendor Specific Capability. "
                                           "Setting to false will enforce strict checking of VSC content "
                                           "(DEBUG)");
+    object_class_property_set_description(klass, /* 10.0 */
+                                          "x-migration-multifd-transfer",
+                                          "Transfer this device state via "
+                                          "multifd channels when live migrating it");
 }
 
 static const TypeInfo vfio_pci_dev_info = {