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| author |   Haggai Eran <haggaie@mellanox.com> | 2014-12-11 17:04:14 +0200 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2014-12-15 18:13:35 -0800 |
| commit | c1395a2a8c01e8a919e47d64eb3d23d00e824b8b (patch) | |
| tree | 14c4baa698685dc3e59412a37e9774be1dc8fe09 /include/linux/mlx5 | |
| parent | IB/core: Add umem function to read data from user-space (diff) | |
| download | linux-dev-c1395a2a8c01e8a919e47d64eb3d23d00e824b8b.tar.xz linux-dev-c1395a2a8c01e8a919e47d64eb3d23d00e824b8b.zip | |
IB/mlx5: Add function to read WQE from user-space
Add a helper function mlx5_ib_read_user_wqe to read information from
user-space owned work queues. The function will be used in a later
patch by the page-fault handling code in mlx5_ib.
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
[ Add stub for ib_umem_copy_from() for CONFIG_INFINIBAND_USER_MEM=n
- Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/qp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 3fa075daeb1d..67f4b9660b06 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -189,6 +189,9 @@ struct mlx5_wqe_ctrl_seg { __be32 imm; }; +#define MLX5_WQE_CTRL_DS_MASK 0x3f +#define MLX5_WQE_DS_UNITS 16 + struct mlx5_wqe_xrc_seg { __be32 xrc_srqn; u8 rsvd[12]; |