[dpdk-dev] [PATCH 1/3] common/mlx5: add user memory registration bits

Suanming Mou suanmingm at nvidia.com
Wed Mar 10 00:57:30 CET 2021


This commit adds the UMR capability bits.

Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
---
 drivers/common/mlx5/linux/meson.build | 2 ++
 drivers/common/mlx5/mlx5_devx_cmds.c  | 5 +++++
 drivers/common/mlx5/mlx5_devx_cmds.h  | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/drivers/common/mlx5/linux/meson.build b/drivers/common/mlx5/linux/meson.build
index 220de35420..5d6a861689 100644
--- a/drivers/common/mlx5/linux/meson.build
+++ b/drivers/common/mlx5/linux/meson.build
@@ -186,6 +186,8 @@ has_sym_args = [
 	'mlx5dv_dr_action_create_aso' ],
 	[ 'HAVE_INFINIBAND_VERBS_H', 'infiniband/verbs.h',
 	'INFINIBAND_VERBS_H' ],
+        [ 'HAVE_MLX5_UMR_IMKEY', 'infiniband/mlx5dv.h',
+        'MLX5_WQE_UMR_CTRL_FLAG_INLINE' ],
 ]
 config = configuration_data()
 foreach arg:has_sym_args
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 0060c37fc0..b4b7a76db0 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -266,6 +266,7 @@ mlx5_devx_cmd_mkey_create(void *ctx,
 	MLX5_SET(mkc, mkc, qpn, 0xffffff);
 	MLX5_SET(mkc, mkc, pd, attr->pd);
 	MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
+	MLX5_SET(mkc, mkc, umr_en, attr->umr_en);
 	MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
 	MLX5_SET(mkc, mkc, relaxed_ordering_write,
 		 attr->relaxed_ordering_write);
@@ -749,6 +750,10 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 						mini_cqe_resp_flow_tag);
 	attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr,
 						 mini_cqe_resp_l3_l4_tag);
+	attr->umr_indirect_mkey_disabled =
+		MLX5_GET(cmd_hca_cap, hcattr, umr_indirect_mkey_disabled);
+	attr->umr_modify_entity_size_disabled =
+		MLX5_GET(cmd_hca_cap, hcattr, umr_modify_entity_size_disabled);
 	if (attr->qos.sup) {
 		MLX5_SET(query_hca_cap_in, in, op_mod,
 			 MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index bc66d28e83..e300c307e1 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -31,6 +31,7 @@ struct mlx5_devx_mkey_attr {
 	uint32_t pg_access:1;
 	uint32_t relaxed_ordering_write:1;
 	uint32_t relaxed_ordering_read:1;
+	uint32_t umr_en:1;
 	struct mlx5_klm *klm_array;
 	int klm_num;
 };
@@ -147,6 +148,8 @@ struct mlx5_hca_attr {
 	uint32_t log_max_mmo_dma:5;
 	uint32_t log_max_mmo_compress:5;
 	uint32_t log_max_mmo_decompress:5;
+	uint32_t umr_modify_entity_size_disabled:1;
+	uint32_t umr_indirect_mkey_disabled:1;
 };
 
 struct mlx5_devx_wq_attr {
-- 
2.25.1



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