diff mbox series

[rdma-next,v3,3/3] IB/mlx5: Add page fault handler for DC initiator WQE

Message ID 20190819120815.21225-4-leon@kernel.org (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series ODP support for mlx5 DC QPs | expand

Commit Message

Leon Romanovsky Aug. 19, 2019, 12:08 p.m. UTC 
From: Michael Guralnik <michaelgur@mellanox.com>

Parsing DC initiator WQEs upon page fault requires skipping an address
vector segment, as in UD WQEs.

Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/hw/mlx5/odp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index e7a4ea979209..e6903e90aaf1 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -1022,7 +1022,8 @@  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);