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| author | Haggai Eran <haggaie@mellanox.com> | 2014-12-11 17:04:19 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-12-15 18:18:59 -0800 |
| commit | e420f0c0f3d1022789fcb59b2a0c4b979ce311ba (patch) | |
| tree | 205d214ec065db728f2c7037d58a400f0e3bef8a /include/linux/mlx5/driver.h | |
| parent | 6cb7ff3dcfe6aad6a36a0fd0e928b5bea4fabdd5 (diff) | |
| download | op-kernel-dev-e420f0c0f3d1022789fcb59b2a0c4b979ce311ba.zip op-kernel-dev-e420f0c0f3d1022789fcb59b2a0c4b979ce311ba.tar.gz | |
mlx5_core: Add support for page faults events and low level handling
* Add a handler function pointer in the mlx5_core_qp struct for page
fault events. Handle page fault events by calling the handler
function, if not NULL.
* Add on-demand paging capability query command.
* Export command for resuming QPs after page faults.
* Add various constants related to paging support.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/linux/mlx5/driver.h')
| -rw-r--r-- | include/linux/mlx5/driver.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index b1bf415..7088dcd 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -113,6 +113,13 @@ enum { MLX5_REG_HOST_ENDIANNESS = 0x7004, }; +enum mlx5_page_fault_resume_flags { + MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0, + MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1, + MLX5_PAGE_FAULT_RESUME_RDMA = 1 << 2, + MLX5_PAGE_FAULT_RESUME_ERROR = 1 << 7, +}; + enum dbg_rsc_type { MLX5_DBG_RSC_QP, MLX5_DBG_RSC_EQ, @@ -703,6 +710,9 @@ void mlx5_eq_cleanup(struct mlx5_core_dev *dev); void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn); void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type); +#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING +void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe); +#endif void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector); @@ -740,6 +750,8 @@ int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn, int npsvs, u32 *sig_index); int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num); void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common); +int mlx5_query_odp_caps(struct mlx5_core_dev *dev, + struct mlx5_odp_caps *odp_caps); static inline u32 mlx5_mkey_to_idx(u32 mkey) { |
