IB/mlx5: Fill XRQ capabilities

Provide driver specific values for XRQ capabilities.
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Yossi Itigin <yosefe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/mlx5/main.c

@@ -777,6 +777,16 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
 			1 << MLX5_CAP_GEN(dev->mdev, log_max_rq);
 	}
 
+	if (MLX5_CAP_GEN(mdev, tag_matching)) {
+		props->xrq_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE;
+		props->xrq_caps.max_num_tags =
+			(1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1;
+		props->xrq_caps.flags = IB_TM_CAP_RC;
+		props->xrq_caps.max_ops =
+			1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
+		props->xrq_caps.max_sge = MLX5_TM_MAX_SGE;
+	}
+
 	if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
 		resp.cqe_comp_caps.max_num =
 			MLX5_CAP_GEN(dev->mdev, cqe_compression) ?

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -107,6 +107,11 @@ enum {
 	MLX5_CQE_VERSION_V1,
 };
 
+enum {
+	MLX5_TM_MAX_RNDV_MSG_SIZE	= 64,
+	MLX5_TM_MAX_SGE			= 1,
+};
+
 struct mlx5_ib_vma_private_data {
 	struct list_head list;
 	struct vm_area_struct *vma;