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| author | Matan Barak <matanb@mellanox.com> | 2014-07-31 11:01:30 +0300 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-08-01 15:11:13 -0700 |
| commit | 9376932d0c26d5f5f89c95d5bd45123bba96d3a9 (patch) | |
| tree | 5cd00b06c206e48c40d885b9eb6291c3593fd673 /drivers/infiniband/hw/mlx4/mlx4_ib.h | |
| parent | e630664c8383f300c4146d7613d61e5a8eb1f8e3 (diff) | |
| download | linux-rt-9376932d0c26d5f5f89c95d5bd45123bba96d3a9.tar.gz | |
IB/mlx4_ib: Add support for user MR re-registration
This enables the user to change the protection domain, access flags
and translation (address and length) of the MR.
Use basic mlx4_core helper functions to get, update and set MPT and
MTT objects according to the required modifications.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 369da3ca5d64..e8cad3926bfc 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -788,5 +788,9 @@ int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, int is_attach); +int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, + u64 start, u64 length, u64 virt_addr, + int mr_access_flags, struct ib_pd *pd, + struct ib_udata *udata); #endif /* MLX4_IB_H */ |