common/mlx5: add DevX command for flex parsers
[dpdk.git] / drivers / common / mlx5 / mlx5_devx_cmds.c
index 54b20a7..1c88f44 100644 (file)
 #include "mlx5_common_utils.h"
 
 
+/**
+ * Perform read access to the registers. Reads data from register
+ * and writes ones to the specified buffer.
+ *
+ * @param[in] ctx
+ *   Context returned from mlx5 open_device() glue function.
+ * @param[in] reg_id
+ *   Register identifier according to the PRM.
+ * @param[in] arg
+ *   Register access auxiliary parameter according to the PRM.
+ * @param[out] data
+ *   Pointer to the buffer to store read data.
+ * @param[in] dw_cnt
+ *   Buffer size in double words.
+ *
+ * @return
+ *   0 on success, a negative value otherwise.
+ */
+int
+mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg,
+                           uint32_t *data, uint32_t dw_cnt)
+{
+       uint32_t in[MLX5_ST_SZ_DW(access_register_in)]   = {0};
+       uint32_t out[MLX5_ST_SZ_DW(access_register_out) +
+                    MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
+       int status, rc;
+
+       MLX5_ASSERT(data && dw_cnt);
+       MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
+       if (dw_cnt  > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
+               DRV_LOG(ERR, "Not enough  buffer for register read data");
+               return -1;
+       }
+       MLX5_SET(access_register_in, in, opcode,
+                MLX5_CMD_OP_ACCESS_REGISTER_USER);
+       MLX5_SET(access_register_in, in, op_mod,
+                                       MLX5_ACCESS_REGISTER_IN_OP_MOD_READ);
+       MLX5_SET(access_register_in, in, register_id, reg_id);
+       MLX5_SET(access_register_in, in, argument, arg);
+       rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
+                                        MLX5_ST_SZ_DW(access_register_out) *
+                                        sizeof(uint32_t) + dw_cnt);
+       if (rc)
+               goto error;
+       status = MLX5_GET(access_register_out, out, status);
+       if (status) {
+               int syndrome = MLX5_GET(access_register_out, out, syndrome);
+
+               DRV_LOG(DEBUG, "Failed to access NIC register 0x%X, "
+                              "status %x, syndrome = %x",
+                              reg_id, status, syndrome);
+               return -1;
+       }
+       memcpy(data, &out[MLX5_ST_SZ_DW(access_register_out)],
+              dw_cnt * sizeof(uint32_t));
+       return 0;
+error:
+       rc = (rc > 0) ? -rc : rc;
+       return rc;
+}
+
 /**
  * Allocate flow counters via devx interface.
  *
@@ -396,6 +457,167 @@ mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
        }
 }
 
+int
+mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
+                                 uint32_t ids[], uint32_t num)
+{
+       uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
+       uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
+       void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
+       void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
+       void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
+       int ret;
+       uint32_t idx = 0;
+       uint32_t i;
+
+       if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
+               rte_errno = EINVAL;
+               DRV_LOG(ERR, "Too many sample IDs to be fetched.");
+               return -rte_errno;
+       }
+       MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
+                MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
+       MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
+                MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
+       MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
+       ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
+                                       out, sizeof(out));
+       if (ret) {
+               rte_errno = ret;
+               DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
+                       (void *)flex_obj);
+               return -rte_errno;
+       }
+       for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
+               void *s_off = (void *)((char *)sample + i *
+                             MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
+               uint32_t en;
+
+               en = MLX5_GET(parse_graph_flow_match_sample, s_off,
+                             flow_match_sample_en);
+               if (!en)
+                       continue;
+               ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
+                                 flow_match_sample_field_id);
+       }
+       if (num != idx) {
+               rte_errno = EINVAL;
+               DRV_LOG(ERR, "Number of sample IDs are not as expected.");
+               return -rte_errno;
+       }
+       return ret;
+}
+
+
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_flex_parser(void *ctx,
+                             struct mlx5_devx_graph_node_attr *data)
+{
+       uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
+       uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
+       void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
+       void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
+       void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
+       void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
+       void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
+       struct mlx5_devx_obj *parse_flex_obj = NULL;
+       uint32_t i;
+
+       parse_flex_obj = rte_calloc(__func__, 1, sizeof(*parse_flex_obj), 0);
+       if (!parse_flex_obj) {
+               DRV_LOG(ERR, "Failed to allocate flex parser data");
+               rte_errno = ENOMEM;
+               rte_free(in);
+               return NULL;
+       }
+       MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
+                MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
+       MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
+                MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
+       MLX5_SET(parse_graph_flex, flex, header_length_mode,
+                data->header_length_mode);
+       MLX5_SET(parse_graph_flex, flex, header_length_base_value,
+                data->header_length_base_value);
+       MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
+                data->header_length_field_offset);
+       MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
+                data->header_length_field_shift);
+       MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
+                data->header_length_field_mask);
+       for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
+               struct mlx5_devx_match_sample_attr *s = &data->sample[i];
+               void *s_off = (void *)((char *)sample + i *
+                             MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
+
+               if (!s->flow_match_sample_en)
+                       continue;
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_en, !!s->flow_match_sample_en);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_field_offset,
+                        s->flow_match_sample_field_offset);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_offset_mode,
+                        s->flow_match_sample_offset_mode);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_field_offset_mask,
+                        s->flow_match_sample_field_offset_mask);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_field_offset_shift,
+                        s->flow_match_sample_field_offset_shift);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_field_base_offset,
+                        s->flow_match_sample_field_base_offset);
+               MLX5_SET(parse_graph_flow_match_sample, s_off,
+                        flow_match_sample_tunnel_mode,
+                        s->flow_match_sample_tunnel_mode);
+       }
+       for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
+               struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
+               struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
+               void *in_off = (void *)((char *)in_arc + i *
+                             MLX5_ST_SZ_BYTES(parse_graph_arc));
+               void *out_off = (void *)((char *)out_arc + i *
+                             MLX5_ST_SZ_BYTES(parse_graph_arc));
+
+               if (ia->arc_parse_graph_node != 0) {
+                       MLX5_SET(parse_graph_arc, in_off,
+                                compare_condition_value,
+                                ia->compare_condition_value);
+                       MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
+                                ia->start_inner_tunnel);
+                       MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
+                                ia->arc_parse_graph_node);
+                       MLX5_SET(parse_graph_arc, in_off,
+                                parse_graph_node_handle,
+                                ia->parse_graph_node_handle);
+               }
+               if (oa->arc_parse_graph_node != 0) {
+                       MLX5_SET(parse_graph_arc, out_off,
+                                compare_condition_value,
+                                oa->compare_condition_value);
+                       MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
+                                oa->start_inner_tunnel);
+                       MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
+                                oa->arc_parse_graph_node);
+                       MLX5_SET(parse_graph_arc, out_off,
+                                parse_graph_node_handle,
+                                oa->parse_graph_node_handle);
+               }
+       }
+       parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
+                                                        out, sizeof(out));
+       if (!parse_flex_obj->obj) {
+               rte_errno = errno;
+               DRV_LOG(ERR, "Failed to create FLEX PARSE GRAPH object "
+                       "by using DevX.");
+               rte_free(parse_flex_obj);
+               return NULL;
+       }
+       parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
+       return parse_flex_obj;
+}
+
 /**
  * Query HCA attributes.
  * Using those attributes we can check on run time if the device
@@ -467,6 +689,17 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
        attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
                                                        general_obj_types) &
                                  MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
+       attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
+                                        general_obj_types) &
+                             MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
+       attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
+                                         wqe_index_ignore_cap);
+       attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
+       attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
+       attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
+                                             log_max_static_sq_wq);
+       attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
+                                     device_frequency_khz);
        attr->regex = MLX5_GET(cmd_hca_cap, hcattr, regexp);
        attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
                                               regexp_num_of_engines);
@@ -490,9 +723,13 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
                attr->qos.log_max_flow_meter =
                                MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
                attr->qos.flow_meter_reg_c_ids =
-                       MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
+                               MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
                attr->qos.flow_meter_reg_share =
-                       MLX5_GET(qos_cap, hcattr, flow_meter_reg_share);
+                               MLX5_GET(qos_cap, hcattr, flow_meter_reg_share);
+               attr->qos.packet_pacing =
+                               MLX5_GET(qos_cap, hcattr, packet_pacing);
+               attr->qos.wqe_rate_pp =
+                               MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
        }
        if (attr->vdpa.valid)
                mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
@@ -974,6 +1211,8 @@ mlx5_devx_cmd_create_sq(void *ctx,
        MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
        MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
        MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
+       MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
+       MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
        MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
        MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
        MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
@@ -1027,7 +1266,7 @@ mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
        if (ret) {
                DRV_LOG(ERR, "Failed to modify SQ using DevX");
                rte_errno = errno;
-               return -errno;
+               return -rte_errno;
        }
        return ret;
 }
@@ -1188,6 +1427,7 @@ mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
        } else {
                MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
        }
+       MLX5_SET(cqc, cqctx, cqe_sz, attr->cqe_size);
        MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
        MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
        MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
@@ -1340,7 +1580,7 @@ mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
        if (ret) {
                DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
                rte_errno = errno;
-               return -errno;
+               return -rte_errno;
        }
        return ret;
 }
@@ -1543,7 +1783,7 @@ mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
        if (ret) {
                DRV_LOG(ERR, "Failed to modify QP using DevX.");
                rte_errno = errno;
-               return -errno;
+               return -rte_errno;
        }
        return ret;
 }