From: Michael Guralnik Date: Mon, 19 Aug 2019 12:08:15 +0000 (+0300) Subject: IB/mlx5: Add page fault handler for DC initiator WQE X-Git-Tag: for-linus-2019-09-27~51^2~27^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=75e46fc02c975f401e70a53ecd55d475081d13a3;p=linux-block.git IB/mlx5: Add page fault handler for DC initiator WQE Parsing DC initiator WQEs upon page fault requires skipping an address vector segment, as in UD WQEs. Link: https://lore.kernel.org/r/20190819120815.21225-4-leon@kernel.org Signed-off-by: Michael Guralnik Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 8c8e5f41a82f..429c72407d7f 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -1050,7 +1050,8 @@ static int mlx5_ib_mr_initiator_pfault_handler( if (qp->ibqp.qp_type == IB_QPT_XRC_INI) *wqe += sizeof(struct mlx5_wqe_xrc_seg); - if (qp->ibqp.qp_type == IB_QPT_UD) { + if (qp->ibqp.qp_type == IB_QPT_UD || + qp->qp_sub_type == MLX5_IB_QPT_DCI) { av = *wqe; if (av->dqp_dct & cpu_to_be32(MLX5_EXTENDED_UD_AV)) *wqe += sizeof(struct mlx5_av);