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);
- MLX5_SET(cqc, cqctx, log_page_size, attr->log_page_size);
+ MLX5_SET(cqc, cqctx, log_page_size, attr->log_page_size -
+ MLX5_ADAPTER_PAGE_SHIFT);
MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
if (attr->q_umem_valid) {
attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
return ret;
}
+
+/**
+ * Create QP using DevX API.
+ *
+ * @param[in] ctx
+ * ibv_context returned from mlx5dv_open_device.
+ * @param [in] attr
+ * Pointer to QP attributes structure.
+ *
+ * @return
+ * The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_qp(struct ibv_context *ctx,
+ struct mlx5_devx_qp_attr *attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
+ struct mlx5_devx_obj *qp_obj = rte_zmalloc(__func__, sizeof(*qp_obj),
+ 0);
+ void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
+
+ if (!qp_obj) {
+ DRV_LOG(ERR, "Failed to allocate QP data.");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+ MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
+ MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
+ MLX5_SET(qpc, qpc, pd, attr->pd);
+ if (attr->uar_index) {
+ MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
+ MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
+ MLX5_SET(qpc, qpc, log_page_size, attr->log_page_size -
+ MLX5_ADAPTER_PAGE_SHIFT);
+ if (attr->sq_size) {
+ RTE_ASSERT(RTE_IS_POWER_OF_2(attr->sq_size));
+ MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
+ MLX5_SET(qpc, qpc, log_sq_size,
+ rte_log2_u32(attr->sq_size));
+ } else {
+ MLX5_SET(qpc, qpc, no_sq, 1);
+ }
+ if (attr->rq_size) {
+ RTE_ASSERT(RTE_IS_POWER_OF_2(attr->rq_size));
+ MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
+ MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
+ MLX5_LOG_RQ_STRIDE_SHIFT);
+ MLX5_SET(qpc, qpc, log_rq_size,
+ rte_log2_u32(attr->rq_size));
+ MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
+ } else {
+ MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
+ }
+ if (attr->dbr_umem_valid) {
+ MLX5_SET(qpc, qpc, dbr_umem_valid,
+ attr->dbr_umem_valid);
+ MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
+ }
+ MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
+ MLX5_SET64(create_qp_in, in, wq_umem_offset,
+ attr->wq_umem_offset);
+ MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
+ MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
+ } else {
+ /* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
+ MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
+ MLX5_SET(qpc, qpc, no_sq, 1);
+ }
+ qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
+ sizeof(out));
+ if (!qp_obj->obj) {
+ rte_errno = errno;
+ DRV_LOG(ERR, "Failed to create QP Obj using DevX.");
+ rte_free(qp_obj);
+ return NULL;
+ }
+ qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
+ return qp_obj;
+}
+
+/**
+ * Modify QP using DevX API.
+ * Currently supports only force loop-back QP.
+ *
+ * @param[in] qp
+ * Pointer to QP object structure.
+ * @param [in] qp_st_mod_op
+ * The QP state modification operation.
+ * @param [in] remote_qp_id
+ * The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
+ uint32_t remote_qp_id)
+{
+ union {
+ uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
+ uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
+ uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
+ } in;
+ union {
+ uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
+ uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
+ uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
+ } out;
+ void *qpc;
+ int ret;
+ unsigned int inlen;
+ unsigned int outlen;
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+ MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
+ switch (qp_st_mod_op) {
+ case MLX5_CMD_OP_RST2INIT_QP:
+ MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
+ qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
+ MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
+ MLX5_SET(qpc, qpc, rre, 1);
+ MLX5_SET(qpc, qpc, rwe, 1);
+ MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
+ inlen = sizeof(in.rst2init);
+ outlen = sizeof(out.rst2init);
+ break;
+ case MLX5_CMD_OP_INIT2RTR_QP:
+ MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
+ qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
+ MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
+ MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
+ MLX5_SET(qpc, qpc, mtu, 1);
+ MLX5_SET(qpc, qpc, log_msg_max, 30);
+ MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
+ MLX5_SET(qpc, qpc, min_rnr_nak, 0);
+ inlen = sizeof(in.init2rtr);
+ outlen = sizeof(out.init2rtr);
+ break;
+ case MLX5_CMD_OP_RTR2RTS_QP:
+ qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
+ MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
+ MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 14);
+ MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
+ MLX5_SET(qpc, qpc, retry_count, 7);
+ MLX5_SET(qpc, qpc, rnr_retry, 7);
+ inlen = sizeof(in.rtr2rts);
+ outlen = sizeof(out.rtr2rts);
+ break;
+ default:
+ DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
+ qp_st_mod_op);
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
+ if (ret) {
+ DRV_LOG(ERR, "Failed to modify QP using DevX.");
+ rte_errno = errno;
+ return -errno;
+ }
+ return ret;
+}
git.droids-corp.org / dpdk.git / blobdiff