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RDMA/mlx5: Implement the query ucontext functionality

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Implement the query ucontext functionality by returning the original
ucontext data as part of an extra mlx5 attribute that holds the driver
UAPI response.

Link: https://lore.kernel.org/r/20200630093916.332097-6-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Yishai Hadas
2020-06-30 12:39:14 +03:00
committed by Jason Gunthorpe
parent 45ec21c971
commit 0fb556b2b5
3 changed files with 40 additions and 0 deletions
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4
include/uapi/rdma/mlx5_user_ioctl_cmds.h
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@@ -228,6 +228,10 @@ enum mlx5_ib_flow_matcher_methods {
MLX5_IB_METHOD_FLOW_MATCHER_DESTROY,
};
enum mlx5_ib_device_query_context_attrs {
MLX5_IB_ATTR_QUERY_CONTEXT_RESP_UCTX = (1U << UVERBS_ID_NS_SHIFT),
};
#define MLX5_IB_DW_MATCH_PARAM 0x80
struct mlx5_ib_match_params {