1 files changed, 16 insertions, 1 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c3d7602b5e90..ac46dcf04358 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -880,7 +880,10 @@ struct ib_pd {
 
 struct ib_xrcd {
         struct ib_device       *device;
-        atomic_t                usecnt; /* count all resources */
+        atomic_t                usecnt; /* count all exposed resources */
+
+        struct mutex            tgt_qp_mutex;
+        struct list_head        tgt_qp_list;
 };
 
 struct ib_ah {
@@ -926,6 +929,7 @@ struct ib_qp {
         struct ib_cq           *recv_cq;
         struct ib_srq          *srq;
         struct ib_xrcd         *xrcd; /* XRC TGT QPs only */
+        struct list_head        xrcd_list;
         struct ib_uobject      *uobject;
         void                  (*event_handler)(struct ib_event *, void *);
         void                   *qp_context;
@@ -1482,6 +1486,17 @@ int ib_query_qp(struct ib_qp *qp,
 int ib_destroy_qp(struct ib_qp *qp);
 
 /**
+ * ib_release_qp - Release an external reference to a QP.
+ * @qp: The QP handle to release
+ *
+ * The specified QP handle is released by the caller.  If the QP is
+ * referenced internally, it is not destroyed until all internal
+ * references are released.  After releasing the qp, the caller
+ * can no longer access it and all events on the QP are discarded.
+ */
+int ib_release_qp(struct ib_qp *qp);
+
+/**
  * ib_post_send - Posts a list of work requests to the send queue of
  *   the specified QP.
  * @qp: The QP to post the work request on.