+int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
+ void *qpc, struct mlx5_wq_qp *wq,
+ struct mlx5_wq_ctrl *wq_ctrl)
+{
+ int err;
+
+ wq->rq.log_stride = MLX5_GET(qpc, qpc, log_rq_stride) + 4;
+ wq->rq.sz_m1 = (1 << MLX5_GET(qpc, qpc, log_rq_size)) - 1;
+
+ wq->sq.log_stride = ilog2(MLX5_SEND_WQE_BB);
+ wq->sq.sz_m1 = (1 << MLX5_GET(qpc, qpc, log_sq_size)) - 1;
+
+ err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
+ if (err) {
+ mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
+ return err;
+ }
+
+ err = mlx5_buf_alloc_node(mdev, mlx5_wq_qp_get_byte_size(wq),
+ &wq_ctrl->buf, param->buf_numa_node);
+ if (err) {
+ mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err);
+ goto err_db_free;
+ }
+
+ wq->rq.buf = wq_ctrl->buf.direct.buf;
+ wq->sq.buf = wq->rq.buf + mlx5_wq_cyc_get_byte_size(&wq->rq);
+ wq->rq.db = &wq_ctrl->db.db[MLX5_RCV_DBR];
+ wq->sq.db = &wq_ctrl->db.db[MLX5_SND_DBR];
+
+ wq_ctrl->mdev = mdev;
+
+ return 0;
+
+err_db_free:
+ mlx5_db_free(mdev, &wq_ctrl->db);
+
+ return err;
+}
+