diff options
Diffstat (limited to 'include/rdma/ib_umem_odp.h')
| -rw-r--r-- | include/rdma/ib_umem_odp.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h index 3da0b167041b..542cd8b3414c 100644 --- a/include/rdma/ib_umem_odp.h +++ b/include/rdma/ib_umem_odp.h @@ -79,11 +79,15 @@ struct ib_umem_odp { struct completion notifier_completion; int dying; + struct work_struct work; }; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem); +struct ib_umem *ib_alloc_odp_umem(struct ib_ucontext *context, + unsigned long addr, + size_t size); void ib_umem_odp_release(struct ib_umem *umem); @@ -117,10 +121,12 @@ typedef int (*umem_call_back)(struct ib_umem *item, u64 start, u64 end, int rbt_ib_umem_for_each_in_range(struct rb_root *root, u64 start, u64 end, umem_call_back cb, void *cookie); -struct umem_odp_node *rbt_ib_umem_iter_first(struct rb_root *root, - u64 start, u64 last); -struct umem_odp_node *rbt_ib_umem_iter_next(struct umem_odp_node *node, - u64 start, u64 last); +/* + * Find first region intersecting with address range. + * Return NULL if not found + */ +struct ib_umem_odp *rbt_ib_umem_lookup(struct rb_root *root, + u64 addr, u64 length); static inline int ib_umem_mmu_notifier_retry(struct ib_umem *item, unsigned long mmu_seq) @@ -153,6 +159,13 @@ static inline int ib_umem_odp_get(struct ib_ucontext *context, return -EINVAL; } +static inline struct ib_umem *ib_alloc_odp_umem(struct ib_ucontext *context, + unsigned long addr, + size_t size) +{ + return ERR_PTR(-EINVAL); +} + static inline void ib_umem_odp_release(struct ib_umem *umem) {} #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ |