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>

2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 7ad585257fd3..ab3c562d5ba7 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/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) ?
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index b3380e8beacf..189e80cd6b2f 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/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;