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author | Moni Shoua <monis@mellanox.com> | 2016-11-23 08:23:23 +0200 |
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committer | Doug Ledford <dledford@redhat.com> | 2016-12-13 13:37:19 -0500 |
commit | 6ad279c5a2e55bf2bd100b4222090d4717de88d5 (patch) | |
tree | dabc2b5a782ba821d3f2d41887a672580eac7bc1 | |
parent | c90ea9d8e51196d9c528e57d9ab09ee7d41f0ba0 (diff) | |
download | linux-stable-6ad279c5a2e55bf2bd100b4222090d4717de88d5.tar.gz linux-stable-6ad279c5a2e55bf2bd100b4222090d4717de88d5.tar.bz2 linux-stable-6ad279c5a2e55bf2bd100b4222090d4717de88d5.zip |
IB/mlx5: Report that device has udata response in create_ah
To make mlx5 user driver aware of whether kernel driver returns dmac
in user data response add a new flag that will be returned back to
user-space through alloc_ucontext.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 3 | ||||
-rw-r--r-- | include/uapi/rdma/mlx5-abi.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index f7a299431e6c..f2ef2a170d9f 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1117,7 +1117,8 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, resp.response_length += sizeof(resp.cqe_version); if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { - resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE; + resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | + MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; resp.response_length += sizeof(resp.cmds_supp_uhw); } diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index b0a41c8dc1fb..ac28729a1245 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -82,6 +82,7 @@ enum mlx5_ib_alloc_ucontext_resp_mask { enum mlx5_user_cmds_supp_uhw { MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0, + MLX5_USER_CMDS_SUPP_UHW_CREATE_AH = 1 << 1, }; struct mlx5_ib_alloc_ucontext_resp { |