+
+/**
+ * Create RQT using DevX API.
+ *
+ * @param[in] ctx
+ * ibv_context returned from mlx5dv_open_device.
+ * @param [in] rqt_attr
+ * Pointer to RQT attributes structure.
+ *
+ * @return
+ * The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_rqt(struct ibv_context *ctx,
+ struct mlx5_devx_rqt_attr *rqt_attr)
+{
+ uint32_t *in = NULL;
+ uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
+ rqt_attr->rqt_actual_size * sizeof(uint32_t);
+ uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
+ void *rqt_ctx;
+ struct mlx5_devx_obj *rqt = NULL;
+ int i;
+
+ in = rte_calloc(__func__, 1, inlen, 0);
+ if (!in) {
+ DRV_LOG(ERR, "Failed to allocate RQT IN data");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+ rqt = rte_calloc(__func__, 1, sizeof(*rqt), 0);
+ if (!rqt) {
+ DRV_LOG(ERR, "Failed to allocate RQT data");
+ rte_errno = ENOMEM;
+ rte_free(in);
+ return NULL;
+ }
+ MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
+ rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
+ MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
+ MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
+ for (i = 0; i < rqt_attr->rqt_actual_size; i++)
+ MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
+ rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
+ rte_free(in);
+ if (!rqt->obj) {
+ DRV_LOG(ERR, "Failed to create RQT using DevX");
+ rte_errno = errno;
+ rte_free(rqt);
+ return NULL;
+ }
+ rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
+ return rqt;
+}