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author | Moni Shoua <monis@mellanox.com> | 2020-01-15 13:43:36 +0100 |
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committer | Leon Romanovsky <leonro@mellanox.com> | 2020-01-16 15:15:00 +0100 |
commit | a73a895588520a40e52f967a7b2892baf810c708 (patch) | |
tree | a4699f4ef713950d816ae34e8f11880791d9d02f | |
parent | RDMA/mlx5: Don't fake udata for kernel path (diff) | |
download | linux-a73a895588520a40e52f967a7b2892baf810c708.tar.xz linux-a73a895588520a40e52f967a7b2892baf810c708.zip |
IB/mlx5: Mask out unsupported ODP capabilities for kernel QPs
The ODP handler for WQEs in RQ or SRQ is not implented for kernel QPs.
Therefore don't report support in these if query comes from a kernel user.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 760630c7aae7..994d59cd9daf 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1015,6 +1015,23 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (dev->odp_caps.general_caps & IB_ODP_SUPPORT) props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; props->odp_caps = dev->odp_caps; + if (!uhw) { + /* ODP for kernel QPs is not implemented for receive + * WQEs and SRQ WQEs + */ + props->odp_caps.per_transport_caps.rc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.uc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.ud_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + props->odp_caps.per_transport_caps.xrc_odp_caps &= + ~(IB_ODP_SUPPORT_READ | + IB_ODP_SUPPORT_SRQ_RECV); + } } if (MLX5_CAP_GEN(mdev, cd)) |