diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index c493510ee9..6feaa40ca7 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -92,6 +92,7 @@ void qemu_ram_set_uf_zeroable(RAMBlock *rb);
 bool qemu_ram_is_migratable(RAMBlock *rb);
 void qemu_ram_set_migratable(RAMBlock *rb);
 void qemu_ram_unset_migratable(RAMBlock *rb);
+int qemu_ram_get_fd(RAMBlock *rb);
 
 size_t qemu_ram_pagesize(RAMBlock *block);
 size_t qemu_ram_pagesize_largest(void);
diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index 56e03e07b5..d9578ccfd4 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -1748,6 +1748,11 @@ void qemu_ram_unset_migratable(RAMBlock *rb)
     rb->flags &= ~RAM_MIGRATABLE;
 }
 
+int qemu_ram_get_fd(RAMBlock *rb)
+{
+    return rb->fd;
+}
+
 /* Called with iothread lock held.  */
 void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)
 {