diff --git a/include/exec/memory.h b/include/exec/memory.h
index 07e43daf20..fb7dff3405 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -712,6 +712,14 @@ void memory_region_register_iommu_notifier(MemoryRegion *mr,
 void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n,
                                 bool is_write);
 
+/**
+ * memory_region_iommu_replay_all: replay existing IOMMU translations
+ * to all the notifiers registered.
+ *
+ * @mr: the memory region to observe
+ */
+void memory_region_iommu_replay_all(MemoryRegion *mr);
+
 /**
  * memory_region_unregister_iommu_notifier: unregister a notifier for
  * changes to IOMMU translation entries.
diff --git a/memory.c b/memory.c
index 7496b3d3d5..b4ed67b27a 100644
--- a/memory.c
+++ b/memory.c
@@ -1642,6 +1642,15 @@ void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n,
     }
 }
 
+void memory_region_iommu_replay_all(MemoryRegion *mr)
+{
+    IOMMUNotifier *notifier;
+
+    IOMMU_NOTIFIER_FOREACH(notifier, mr) {
+        memory_region_iommu_replay(mr, notifier, false);
+    }
+}
+
 void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
                                              IOMMUNotifier *n)
 {