diff mbox series

[v2,06/10] net/mlx5/hws: added command to create alias objects

Message ID 20230105130304.537205-7-erezsh@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers
Series Support resource sharing among ibv_devices |

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Erez Shitrit Jan. 5, 2023, 1:02 p.m. UTC 
  From: Yevgeny Kliteynik <kliteyn@nvidia.com>


Added support for a command that can create alias objects - objects
that are accessed across VHCA.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
 drivers/common/mlx5/mlx5_prm.h    | 23 ++++++++++++++--
 drivers/net/mlx5/hws/mlx5dr_cmd.c | 44 +++++++++++++++++++++++++++++++
 drivers/net/mlx5/hws/mlx5dr_cmd.h | 11 ++++++++
 3 files changed, 76 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 9d36645949..fd1ad55f1f 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -3135,9 +3135,10 @@  struct mlx5_ifc_general_obj_in_cmd_hdr_bits {
 	u8 obj_id[0x20];
 	union {
 		struct {
-			u8 reserved_at_60[0x3];
+			u8 alias_object[0x1];
+			u8 reserved_at_61[0x2];
 			u8 log_obj_range[0x5];
-			u8 reserved_at_58[0x18];
+			u8 reserved_at_68[0x18];
 		};
 		u8 obj_offset[0x20];
 	};
@@ -3234,6 +3235,19 @@  struct mlx5_ifc_rtc_bits {
 	u8 reserved_at_180[0x280];
 };
 
+struct mlx5_ifc_alias_context_bits {
+	u8 vhca_id_to_be_accessed[0x10];
+	u8 reserved_at_10[0xd];
+	u8 status[0x3];
+	u8 object_id_to_be_accessed[0x20];
+	u8 reserved_at_40[0x40];
+	union {
+		u8 access_key_raw[0x100];
+		u8 access_key[8][0x20];
+	};
+	u8 metadata[0x80];
+};
+
 enum mlx5_ifc_stc_action_type {
 	MLX5_IFC_STC_ACTION_TYPE_NOP = 0x00,
 	MLX5_IFC_STC_ACTION_TYPE_COPY = 0x05,
@@ -3478,6 +3492,11 @@  struct mlx5_ifc_create_header_modify_pattern_in_bits {
 	struct mlx5_ifc_header_modify_pattern_in_bits pattern;
 };
 
+struct mlx5_ifc_create_alias_obj_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
+	struct mlx5_ifc_alias_context_bits alias_ctx;
+};
+
 enum {
 	MLX5_CRYPTO_KEY_SIZE_128b = 0x0,
 	MLX5_CRYPTO_KEY_SIZE_256b = 0x1,
diff --git a/drivers/net/mlx5/hws/mlx5dr_cmd.c b/drivers/net/mlx5/hws/mlx5dr_cmd.c
index b120be2d88..9b9f70c933 100644
--- a/drivers/net/mlx5/hws/mlx5dr_cmd.c
+++ b/drivers/net/mlx5/hws/mlx5dr_cmd.c
@@ -744,6 +744,50 @@  int mlx5dr_cmd_allow_other_vhca_access(struct ibv_context *ctx,
 	return 0;
 }
 
+struct mlx5dr_devx_obj *
+mlx5dr_cmd_alias_obj_create(struct ibv_context *ctx,
+			    struct mlx5dr_cmd_alias_obj_create_attr *alias_attr)
+{
+	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
+	uint32_t in[MLX5_ST_SZ_DW(create_alias_obj_in)] = {0};
+	struct mlx5dr_devx_obj *devx_obj;
+	void *attr;
+	void *key;
+
+	devx_obj = simple_malloc(sizeof(*devx_obj));
+	if (!devx_obj) {
+		DR_LOG(ERR, "Failed to allocate memory for ALIAS general object");
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+
+	attr = MLX5_ADDR_OF(create_alias_obj_in, in, hdr);
+	MLX5_SET(general_obj_in_cmd_hdr,
+		 attr, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
+	MLX5_SET(general_obj_in_cmd_hdr,
+		 attr, obj_type, alias_attr->obj_type);
+	MLX5_SET(general_obj_in_cmd_hdr, attr, alias_object, 1);
+
+	attr = MLX5_ADDR_OF(create_alias_obj_in, in, alias_ctx);
+	MLX5_SET(alias_context, attr, vhca_id_to_be_accessed, alias_attr->vhca_id);
+	MLX5_SET(alias_context, attr, object_id_to_be_accessed, alias_attr->obj_id);
+
+	key = MLX5_ADDR_OF(alias_context, attr, access_key);
+	memcpy(key, alias_attr->access_key, sizeof(alias_attr->access_key));
+
+	devx_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out, sizeof(out));
+	if (!devx_obj->obj) {
+		DR_LOG(ERR, "Failed to create ALIAS OBJ");
+		simple_free(devx_obj);
+		rte_errno = errno;
+		return NULL;
+	}
+
+	devx_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
+
+	return devx_obj;
+}
+
 int mlx5dr_cmd_query_caps(struct ibv_context *ctx,
 			  struct mlx5dr_cmd_query_caps *caps)
 {
diff --git a/drivers/net/mlx5/hws/mlx5dr_cmd.h b/drivers/net/mlx5/hws/mlx5dr_cmd.h
index ea6ced9d27..824ca5e846 100644
--- a/drivers/net/mlx5/hws/mlx5dr_cmd.h
+++ b/drivers/net/mlx5/hws/mlx5dr_cmd.h
@@ -46,6 +46,13 @@  struct mlx5dr_cmd_rtc_create_attr {
 	bool is_jumbo;
 };
 
+struct mlx5dr_cmd_alias_obj_create_attr {
+	uint32_t obj_id;
+	uint16_t vhca_id;
+	uint16_t obj_type;
+	uint8_t access_key[32];
+};
+
 struct mlx5dr_cmd_stc_create_attr {
 	uint8_t log_obj_range;
 	uint8_t table_type;
@@ -217,6 +224,10 @@  mlx5dr_cmd_header_modify_pattern_create(struct ibv_context *ctx,
 					uint32_t pattern_length,
 					uint8_t *actions);
 
+struct mlx5dr_devx_obj *
+mlx5dr_cmd_alias_obj_create(struct ibv_context *ctx,
+			    struct mlx5dr_cmd_alias_obj_create_attr *alias_attr);
+
 int mlx5dr_cmd_sq_modify_rdy(struct mlx5dr_devx_obj *devx_obj);
 
 int mlx5dr_cmd_query_ib_port(struct ibv_context *ctx,