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-rw-r--r--hw/vfio/pci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 1349b900e5..51dc373695 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3182,6 +3182,9 @@ static void vfio_instance_init(Object *obj)
 static Property vfio_pci_dev_properties[] = {
     DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host),
     DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev),
+    DEFINE_PROP_ON_OFF_AUTO("x-pre-copy-dirty-page-tracking", VFIOPCIDevice,
+                            vbasedev.pre_copy_dirty_page_tracking,
+                            ON_OFF_AUTO_ON),
     DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice,
                             display, ON_OFF_AUTO_OFF),
     DEFINE_PROP_UINT32("xres", VFIOPCIDevice, display_xres, 0),