qapi: Add VFIO devices migration stats in Migration stats

Added amount of bytes transferred to the VM at destination by all VFIO
devices

Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 620358a3d8..d41ba67ffb 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -292,6 +292,25 @@ const MemoryRegionOps vfio_region_ops = {
  * Device state interfaces
  */
 
+bool vfio_mig_active(void)
+{
+    VFIOGroup *group;
+    VFIODevice *vbasedev;
+
+    if (QLIST_EMPTY(&vfio_group_list)) {
+        return false;
+    }
+
+    QLIST_FOREACH(group, &vfio_group_list, next) {
+        QLIST_FOREACH(vbasedev, &group->device_list, next) {
+            if (vbasedev->migration_blocker) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
 static bool vfio_devices_all_stopped_and_saving(VFIOContainer *container)
 {
     VFIOGroup *group;