aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/vfio/common.c11
-rw-r--r--hw/vfio/pci.c3
-rw-r--r--include/hw/vfio/vfio-common.h1
3 files changed, 11 insertions, 4 deletions
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index c1fdbf17f2..6ff1daa763 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -311,7 +311,7 @@ bool vfio_mig_active(void)
return true;
}
-static bool vfio_devices_all_stopped_and_saving(VFIOContainer *container)
+static bool vfio_devices_all_saving(VFIOContainer *container)
{
VFIOGroup *group;
VFIODevice *vbasedev;
@@ -329,8 +329,11 @@ static bool vfio_devices_all_stopped_and_saving(VFIOContainer *container)
return false;
}
- if ((migration->device_state & VFIO_DEVICE_STATE_SAVING) &&
- !(migration->device_state & VFIO_DEVICE_STATE_RUNNING)) {
+ if (migration->device_state & VFIO_DEVICE_STATE_SAVING) {
+ if ((vbasedev->pre_copy_dirty_page_tracking == ON_OFF_AUTO_OFF)
+ && (migration->device_state & VFIO_DEVICE_STATE_RUNNING)) {
+ return false;
+ }
continue;
} else {
return false;
@@ -1125,7 +1128,7 @@ static void vfio_listerner_log_sync(MemoryListener *listener,
return;
}
- if (vfio_devices_all_stopped_and_saving(container)) {
+ if (vfio_devices_all_saving(container)) {
vfio_sync_dirty_bitmap(container, section);
}
}
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),
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 2119872c8a..6141162d7a 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -130,6 +130,7 @@ typedef struct VFIODevice {
unsigned int flags;
VFIOMigration *migration;
Error *migration_blocker;
+ OnOffAuto pre_copy_dirty_page_tracking;
} VFIODevice;
struct VFIODeviceOps {