* @param[in] clear
* Whether hardware should clear the counters after the query or not.
* @param[in] n_counters
- * The counter number to read.
+ * 0 in case of 1 counter to read, otherwise the counter number to read.
* @param pkts
* The number of packets that matched the flow.
* @param bytes
* The mkey key for batch query.
* @param addr
* The address in the mkey range for batch query.
+ * @param cmd_comp
+ * The completion object for asynchronous batch query.
+ * @param async_id
+ * The ID to be returned in the asynchronous batch query response.
*
* @return
* 0 on success, a negative value otherwise.
*/
int
-mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs, int clear,
- uint32_t n_counters, uint64_t *pkts,
- uint64_t *bytes, uint32_t mkey, void *addr)
+mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
+ int clear, uint32_t n_counters,
+ uint64_t *pkts, uint64_t *bytes,
+ uint32_t mkey, void *addr,
+ struct mlx5dv_devx_cmd_comp *cmd_comp,
+ uint64_t async_id)
{
int out_len = MLX5_ST_SZ_BYTES(query_flow_counter_out) +
MLX5_ST_SZ_BYTES(traffic_counter);
MLX5_SET64(query_flow_counter_in, in, address,
(uint64_t)(uintptr_t)addr);
}
- rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out, out_len);
+ if (!cmd_comp)
+ rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
+ out_len);
+ else
+ rc = mlx5_glue->devx_obj_query_async(dcs->obj, in, sizeof(in),
+ out_len, async_id,
+ cmd_comp);
if (rc) {
DRV_LOG(ERR, "Failed to query devx counters with rc %d\n ", rc);
rte_errno = rc;
return mkey;
}
+/**
+ * Get status of devx command response.
+ * Mainly used for asynchronous commands.
+ *
+ * @param[in] out
+ * The out response buffer.
+ *
+ * @return
+ * 0 on success, non-zero value otherwise.
+ */
+int
+mlx5_devx_get_out_command_status(void *out)
+{
+ int status;
+
+ if (!out)
+ return -EINVAL;
+ status = MLX5_GET(query_flow_counter_out, out, status);
+ if (status) {
+ int syndrome = MLX5_GET(query_flow_counter_out, out, syndrome);
+
+ DRV_LOG(ERR, "Bad devX status %x, syndrome = %x\n", status,
+ syndrome);
+ }
+ return status;
+}
+
/**
* Destroy any object allocated by a Devx API.
*
return ret;
}
+/**
+ * Query NIC vport context.
+ * Fills minimal inline attribute.
+ *
+ * @param[in] ctx
+ * ibv contexts returned from mlx5dv_open_device.
+ * @param[in] vport
+ * vport index
+ * @param[out] attr
+ * Attributes device values.
+ *
+ * @return
+ * 0 on success, a negative value otherwise.
+ */
+static int
+mlx5_devx_cmd_query_nic_vport_context(struct ibv_context *ctx,
+ unsigned int vport,
+ struct mlx5_hca_attr *attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
+ void *vctx;
+ int status, syndrome, rc;
+
+ /* Query NIC vport context to determine inline mode. */
+ MLX5_SET(query_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
+ MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
+ if (vport)
+ MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
+ rc = mlx5_glue->devx_general_cmd(ctx,
+ in, sizeof(in),
+ out, sizeof(out));
+ if (rc)
+ goto error;
+ status = MLX5_GET(query_nic_vport_context_out, out, status);
+ syndrome = MLX5_GET(query_nic_vport_context_out, out, syndrome);
+ if (status) {
+ DRV_LOG(DEBUG, "Failed to query NIC vport context, "
+ "status %x, syndrome = %x",
+ status, syndrome);
+ return -1;
+ }
+ vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
+ nic_vport_context);
+ attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
+ min_wqe_inline_mode);
+ return 0;
+error:
+ rc = (rc > 0) ? -rc : rc;
+ return rc;
+}
+
/**
* Query HCA attributes.
* Using those attributes we can check on run time if the device
rc = mlx5_glue->devx_general_cmd(ctx,
in, sizeof(in), out, sizeof(out));
if (rc)
- return rc;
+ goto error;
status = MLX5_GET(query_hca_cap_out, out, status);
syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
if (status) {
hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
attr->flow_counter_bulk_alloc_bitmap =
MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
+ attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
+ flow_counters_dump);
attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
+ attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
+ eth_net_offloads);
+ attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
+ attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
+ flex_parser_protocols);
+ if (!attr->eth_net_offloads)
+ return 0;
+
+ /* Query HCA offloads for Ethernet protocol. */
+ memset(in, 0, sizeof(in));
+ memset(out, 0, sizeof(out));
+ MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
+ MLX5_SET(query_hca_cap_in, in, op_mod,
+ MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
+ MLX5_HCA_CAP_OPMOD_GET_CUR);
+
+ rc = mlx5_glue->devx_general_cmd(ctx,
+ in, sizeof(in),
+ out, sizeof(out));
+ if (rc) {
+ attr->eth_net_offloads = 0;
+ goto error;
+ }
+ status = MLX5_GET(query_hca_cap_out, out, status);
+ syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
+ if (status) {
+ DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
+ "status %x, syndrome = %x",
+ status, syndrome);
+ attr->eth_net_offloads = 0;
+ return -1;
+ }
+ hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
+ attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, wqe_vlan_insert);
+ attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
+ lro_cap);
+ attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, tunnel_lro_gre);
+ attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, tunnel_lro_vxlan);
+ attr->lro_max_msg_sz_mode = MLX5_GET
+ (per_protocol_networking_offload_caps,
+ hcattr, lro_max_msg_sz_mode);
+ for (int i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
+ attr->lro_timer_supported_periods[i] =
+ MLX5_GET(per_protocol_networking_offload_caps, hcattr,
+ lro_timer_supported_periods[i]);
+ }
+ attr->tunnel_stateless_geneve_rx =
+ MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, tunnel_stateless_geneve_rx);
+ attr->geneve_max_opt_len =
+ MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, max_geneve_opt_len);
+ attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, wqe_inline_mode);
+ if (attr->wqe_inline_mode != MLX5_CAP_INLINE_MODE_VPORT_CONTEXT)
+ return 0;
+ if (attr->eth_virt) {
+ rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
+ if (rc) {
+ attr->eth_virt = 0;
+ goto error;
+ }
+ }
+ return 0;
+error:
+ rc = (rc > 0) ? -rc : rc;
+ return rc;
+}
+
+/**
+ * Query TIS transport domain from QP verbs object using DevX API.
+ *
+ * @param[in] qp
+ * Pointer to verbs QP returned by ibv_create_qp .
+ * @param[in] tis_num
+ * TIS number of TIS to query.
+ * @param[out] tis_td
+ * Pointer to TIS transport domain variable, to be set by the routine.
+ *
+ * @return
+ * 0 on success, a negative value otherwise.
+ */
+int
+mlx5_devx_cmd_qp_query_tis_td(struct ibv_qp *qp, uint32_t tis_num,
+ uint32_t *tis_td)
+{
+ uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
+ int rc;
+ void *tis_ctx;
+
+ MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
+ MLX5_SET(query_tis_in, in, tisn, tis_num);
+ rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
+ if (rc) {
+ DRV_LOG(ERR, "Failed to query QP using DevX");
+ return -rc;
+ };
+ tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
+ *tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
return 0;
}
+
+/**
+ * Fill WQ data for DevX API command.
+ * Utility function for use when creating DevX objects containing a WQ.
+ *
+ * @param[in] wq_ctx
+ * Pointer to WQ context to fill with data.
+ * @param [in] wq_attr
+ * Pointer to WQ attributes structure to fill in WQ context.
+ */
+static void
+devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
+{
+ MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
+ MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
+ MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
+ MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
+ MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
+ MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
+ MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
+ MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
+ MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
+ MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
+ MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
+ MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
+ MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
+ MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
+ MLX5_SET(wq, wq_ctx, log_wq_pg_sz, wq_attr->log_wq_pg_sz);
+ MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
+ MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
+ MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
+ MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
+ wq_attr->log_hairpin_num_packets);
+ MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
+ MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
+ wq_attr->single_wqe_log_num_of_strides);
+ MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
+ MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
+ wq_attr->single_stride_log_num_of_bytes);
+ MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
+ MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
+ MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
+}
+
+/**
+ * Create RQ using DevX API.
+ *
+ * @param[in] ctx
+ * ibv_context returned from mlx5dv_open_device.
+ * @param [in] rq_attr
+ * Pointer to create RQ attributes structure.
+ * @param [in] socket
+ * CPU socket ID for allocations.
+ *
+ * @return
+ * The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_rq(struct ibv_context *ctx,
+ struct mlx5_devx_create_rq_attr *rq_attr,
+ int socket)
+{
+ uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
+ void *rq_ctx, *wq_ctx;
+ struct mlx5_devx_wq_attr *wq_attr;
+ struct mlx5_devx_obj *rq = NULL;
+
+ rq = rte_calloc_socket(__func__, 1, sizeof(*rq), 0, socket);
+ if (!rq) {
+ DRV_LOG(ERR, "Failed to allocate RQ data");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+ MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
+ rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
+ MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
+ MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
+ MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
+ MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
+ MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
+ MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
+ MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
+ MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
+ MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
+ MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
+ MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
+ MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
+ wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
+ wq_attr = &rq_attr->wq_attr;
+ devx_cmd_fill_wq_data(wq_ctx, wq_attr);
+ rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
+ out, sizeof(out));
+ if (!rq->obj) {
+ DRV_LOG(ERR, "Failed to create RQ using DevX");
+ rte_errno = errno;
+ rte_free(rq);
+ return NULL;
+ }
+ rq->id = MLX5_GET(create_rq_out, out, rqn);
+ return rq;
+}
+
+/**
+ * Modify RQ using DevX API.
+ *
+ * @param[in] rq
+ * Pointer to RQ object structure.
+ * @param [in] rq_attr
+ * Pointer to modify RQ attributes structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
+ struct mlx5_devx_modify_rq_attr *rq_attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
+ void *rq_ctx, *wq_ctx;
+ int ret;
+
+ MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
+ MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
+ MLX5_SET(modify_rq_in, in, rqn, rq->id);
+ MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
+ rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
+ MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
+ if (rq_attr->modify_bitmask &
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
+ MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
+ if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
+ MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
+ if (rq_attr->modify_bitmask &
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
+ MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
+ MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
+ MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
+ if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
+ wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
+ MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
+ }
+ ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
+ out, sizeof(out));
+ if (ret) {
+ DRV_LOG(ERR, "Failed to modify RQ using DevX");
+ rte_errno = errno;
+ return -errno;
+ }
+ return ret;
+}
+
+/**
+ * Create TIR using DevX API.
+ *
+ * @param[in] ctx
+ * ibv_context returned from mlx5dv_open_device.
+ * @param [in] tir_attr
+ * Pointer to TIR attributes structure.
+ *
+ * @return
+ * The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_tir(struct ibv_context *ctx,
+ struct mlx5_devx_tir_attr *tir_attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
+ void *tir_ctx, *outer, *inner;
+ struct mlx5_devx_obj *tir = NULL;
+ int i;
+
+ tir = rte_calloc(__func__, 1, sizeof(*tir), 0);
+ if (!tir) {
+ DRV_LOG(ERR, "Failed to allocate TIR data");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+ MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+ tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
+ MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
+ MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
+ tir_attr->lro_timeout_period_usecs);
+ MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
+ MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
+ MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
+ MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
+ MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
+ tir_attr->tunneled_offload_en);
+ MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
+ MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
+ MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
+ MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
+ for (i = 0; i < 10; i++) {
+ MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
+ tir_attr->rx_hash_toeplitz_key[i]);
+ }
+ outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
+ MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
+ tir_attr->rx_hash_field_selector_outer.l3_prot_type);
+ MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
+ tir_attr->rx_hash_field_selector_outer.l4_prot_type);
+ MLX5_SET(rx_hash_field_select, outer, selected_fields,
+ tir_attr->rx_hash_field_selector_outer.selected_fields);
+ inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
+ MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
+ tir_attr->rx_hash_field_selector_inner.l3_prot_type);
+ MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
+ tir_attr->rx_hash_field_selector_inner.l4_prot_type);
+ MLX5_SET(rx_hash_field_select, inner, selected_fields,
+ tir_attr->rx_hash_field_selector_inner.selected_fields);
+ tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
+ out, sizeof(out));
+ if (!tir->obj) {
+ DRV_LOG(ERR, "Failed to create TIR using DevX");
+ rte_errno = errno;
+ rte_free(tir);
+ return NULL;
+ }
+ tir->id = MLX5_GET(create_tir_out, out, tirn);
+ return tir;
+}
+
+/**
+ * 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;
+}