IB/rdmavt: Add address handle stubs

Adds the stubs for create, destroy, modify, and query of the
address handle.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 07b0ada..6243562 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -226,6 +226,12 @@
 	CHECK_DRIVER_OVERRIDE(rdi, destroy_qp);
 	CHECK_DRIVER_OVERRIDE(rdi, query_qp);
 
+	/* Address Handle */
+	CHECK_DRIVER_OVERRIDE(rdi, create_ah);
+	CHECK_DRIVER_OVERRIDE(rdi, destroy_ah);
+	CHECK_DRIVER_OVERRIDE(rdi, modify_ah);
+	CHECK_DRIVER_OVERRIDE(rdi, query_ah);
+
 	/* DMA Operations */
 	rdi->ibdev.dma_ops =
 		rdi->ibdev.dma_ops ? : &rvt_default_dma_mapping_ops;