Re: [PATCH rdma-next v1 4/6] IB/mlx5: Handle type IB_QPT_DRIVER when creating a QP

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> static int set_mlx_qp_type(struct mlx5_ib_dev *dev,
>                            struct ib_qp_init_attr *init_attr,
>                            struct mlx5_ib_create_qp *ucmd,
>                            struct ib_udata *udata)
> {
>         enum { MLX_QP_FLAGS = MLX5_QP_FLAG_TYPE_DCT | MLX5_QP_FLAG_TYPE_DCI };
>         int err;
>
>         if (!udata)
>                 return -EINVAL;
>
>         if (udata->inlen < sizeof(*ucmd)) {
>                 mlx5_ib_dbg(dev, "create_qp user command is smaller than expected\n");
>                 return -EINVAL;
>         }
>         err = ib_copy_from_udata(ucmd, udata, sizeof(*ucmd));
>         if (err)
>                 return err;
>
>         if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCI)
>                 init_attr->qp_type = MLX5_IB_QPT_DCI;
>         else if ((ucmd->flags & MLX_QP_FLAGS) == MLX5_QP_FLAG_TYPE_DCT)
>                 init_attr->qp_type = MLX5_IB_QPT_DCT;
>         else {
>                 mlx5_ib_dbg(dev, "Invalid QP flags\n");
>                 return -EINVAL;
>         }
>
>         if (!MLX5_CAP_GEN(dev->mdev, dct)) {
>                 mlx5_ib_dbg(dev, "DC transport is not supported\n");
>                 return -EOPNOTSUPP;
>         }
>
>         return 0;
> }
I like this :)
Will take it in.
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