vfio: Commonize combine_ranges for use in other VFIO drivers

[sfrench/cifs-2.6.git] / include / linux / vfio.h

diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 5a1dee983f17f7f9cfa2b8c0d7ac50fa785ac78a..454e9295970c49d8282fe0b23553f36c74dd4928 100644 (file)
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -283,6 +283,9 @@ int vfio_mig_get_next_state(struct vfio_device *device,
                            enum vfio_device_mig_state new_fsm,
                            enum vfio_device_mig_state *next_fsm);
 
+void vfio_combine_iova_ranges(struct rb_root_cached *root, u32 cur_nodes,
+                             u32 req_nodes);
+
 /*
  * External user API
  */