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{net,IB}/mlx5: Move Page fault EQ and ODP logic to RDMA

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Use the new generic EQ API to move all ODP RDMA data structures and logic
form mlx5 core driver into mlx5_ib driver.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Saeed Mahameed
2018-11-19 10:52:41 -08:00
committed by Leon Romanovsky
parent 7701707cb9
commit d5d284b829
10 changed files with 308 additions and 381 deletions
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15
drivers/infiniband/hw/mlx5/mlx5_ib.h
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@@ -880,6 +880,15 @@ struct mlx5_ib_lb_state {
bool enabled;
};
struct mlx5_ib_pf_eq {
struct mlx5_ib_dev *dev;
struct mlx5_eq *core;
struct work_struct work;
spinlock_t lock; /* Pagefaults spinlock */
struct workqueue_struct *wq;
mempool_t *pool;
};
struct mlx5_ib_dev {
struct ib_device ib_dev;
const struct uverbs_object_tree_def *driver_trees[7];
@@ -902,6 +911,8 @@ struct mlx5_ib_dev {
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
struct ib_odp_caps odp_caps;
u64 odp_max_size;
struct mlx5_ib_pf_eq odp_pf_eq;
/*
* Sleepable RCU that prevents destruction of MRs while they are still
* being used by a page fault handler.
@@ -1158,9 +1169,8 @@ struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm,
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev);
void mlx5_ib_pfault(struct mlx5_core_dev *mdev, void *context,
struct mlx5_pagefault *pfault);
int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev);
void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev);
int __init mlx5_ib_odp_init(void);
void mlx5_ib_odp_cleanup(void);
void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start,
@@ -1175,6 +1185,7 @@ static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
}
static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; }
static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {}
static inline int mlx5_ib_odp_init(void) { return 0; }
static inline void mlx5_ib_odp_cleanup(void) {}
static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {}