IB/mlx4: Add support for XRC QPs

Support the creation of XRC INI and TGT QPs.  To handle the case where
a CQ or PD is not provided, we allocate them internally with the xrcd.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 4001c8249dbb..48cc4cb97858 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -75,6 +75,7 @@ enum {
         MLX4_QP_ST_UC                           = 0x1,
         MLX4_QP_ST_RD                           = 0x2,
         MLX4_QP_ST_UD                           = 0x3,
+        MLX4_QP_ST_XRC                          = 0x6,
         MLX4_QP_ST_MLX                          = 0x7
 };
 
@@ -137,7 +138,7 @@ struct mlx4_qp_context {
         __be32                  ssn;
         __be32                  params2;
         __be32                  rnr_nextrecvpsn;
-        __be32                  srcd;
+        __be32                  xrcd;
         __be32                  cqn_recv;
         __be64                  db_rec_addr;
         __be32                  qkey;