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| author | Yishai Hadas <yishaih@mellanox.com> | 2016-05-23 15:20:50 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-06-23 18:02:43 +0300 |
| commit | 79b20a6c3014c789253fcb1ac4f09f8bdee2e94b (patch) | |
| tree | d6d739829fe4fa1e9fd043dd93097fac3e98822b /drivers/infiniband/hw/mlx5/user.h | |
| parent | f213c05272100f385912372fff678d0af4d7f8ad (diff) | |
| download | linux-79b20a6c3014c789253fcb1ac4f09f8bdee2e94b.tar.xz | |
IB/mlx5: Add receive Work Queue verbs
A QP can be created without internal WQs "packaged" inside it,
this QP can be configured to use "external" WQ object as its
receive/send queue.
WQ is a necessary component for RSS technology since RSS mechanism
is supposed to distribute the traffic between multiple
Receive Work Queues
Receive WQs are implemented by RQs.
Implement the WQ creation, modification and destruction verbs.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/user.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/user.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h index 61bc308bb802..3e66f935e4c8 100644 --- a/drivers/infiniband/hw/mlx5/user.h +++ b/drivers/infiniband/hw/mlx5/user.h @@ -46,6 +46,10 @@ enum { MLX5_SRQ_FLAG_SIGNATURE = 1 << 0, }; +enum { + MLX5_WQ_FLAG_SIGNATURE = 1 << 0, +}; + /* Increment this value if any changes that break userspace ABI * compatibility are made. @@ -159,6 +163,27 @@ struct mlx5_ib_alloc_mw { __u16 reserved2; }; +struct mlx5_ib_create_wq { + __u64 buf_addr; + __u64 db_addr; + __u32 rq_wqe_count; + __u32 rq_wqe_shift; + __u32 user_index; + __u32 flags; + __u32 comp_mask; + __u32 reserved; +}; + +struct mlx5_ib_create_wq_resp { + __u32 response_length; + __u32 reserved; +}; + +struct mlx5_ib_modify_wq { + __u32 comp_mask; + __u32 reserved; +}; + static inline int get_qp_user_index(struct mlx5_ib_ucontext *ucontext, struct mlx5_ib_create_qp *ucmd, int inlen, |