diff options
| 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 /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| 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 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 53d19e6e69a4..14a0311eaa1c 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -503,6 +503,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, struct ib_recv_wr **bad_wr); void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n); +int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, + void *buffer, u32 length); struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries, int vector, struct ib_ucontext *context, struct ib_udata *udata); |