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-rw-r--r--include/block/block.h8
-rw-r--r--include/block/block_int.h5
2 files changed, 13 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 0e8b4d1341..b210832778 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -476,6 +476,10 @@ void bdrv_disable_copy_on_read(BlockDriverState *bs);
 void bdrv_ref(BlockDriverState *bs);
 void bdrv_unref(BlockDriverState *bs);
 void bdrv_unref_child(BlockDriverState *parent, BdrvChild *child);
+BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs,
+                             BlockDriverState *child_bs,
+                             const char *child_name,
+                             const BdrvChildRole *child_role);
 
 bool bdrv_op_is_blocked(BlockDriverState *bs, BlockOpType op, Error **errp);
 void bdrv_op_block(BlockDriverState *bs, BlockOpType op, Error *reason);
@@ -542,4 +546,8 @@ void bdrv_drained_begin(BlockDriverState *bs);
  */
 void bdrv_drained_end(BlockDriverState *bs);
 
+void bdrv_add_child(BlockDriverState *parent, BlockDriverState *child,
+                    Error **errp);
+void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **errp);
+
 #endif
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 2709488ff1..a029c2003f 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -314,6 +314,11 @@ struct BlockDriver {
      */
     void (*bdrv_drain)(BlockDriverState *bs);
 
+    void (*bdrv_add_child)(BlockDriverState *parent, BlockDriverState *child,
+                           Error **errp);
+    void (*bdrv_del_child)(BlockDriverState *parent, BdrvChild *child,
+                           Error **errp);
+
     QLIST_ENTRY(BlockDriver) list;
 };