From: Artemy Kovalyov <artemyko@mellanox.com>
Date: Thu, 17 Aug 2017 15:52:09 +0300
Subject: IB/mlx5: Fill XRQ capabilities
Patch-mainline: v4.14-rc1
Git-commit: eb761894351d0372248f2636c213d7b822e8775f
References: bsc#1046305 FATE#322943

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/mlx5/main.c    |   10 ++++++++++
 drivers/infiniband/hw/mlx5/mlx5_ib.h |    5 +++++
 2 files changed, 15 insertions(+)

--- 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 i
 			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) ?
--- 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;