For user QPs, the creation process does not currently initialize the fields: * qp->rq.offset * qp->sq.offset * qp->sq.wqe_shift
These fields are used for handling page faults to calculate where to read the faulting WQE from. Signed-off-by: Haggai Eran <[email protected]> --- drivers/infiniband/hw/mlx5/qp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index b5cf2c4..335bcbe 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -574,6 +574,10 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, uar_index = uuarn_to_uar_index(&context->uuari, uuarn); mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index); + qp->rq.offset = 0; + qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB); + qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift; + err = set_user_buf_size(dev, qp, &ucmd); if (err) goto err_uuar; -- 1.7.11.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
