diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/mmu_rb.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/mmu_rb.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.h b/drivers/infiniband/hw/hfi1/mmu_rb.h index c4da064188c9..751dc3fe1e02 100644 --- a/drivers/infiniband/hw/hfi1/mmu_rb.h +++ b/drivers/infiniband/hw/hfi1/mmu_rb.h @@ -16,18 +16,14 @@ struct mmu_rb_node { struct rb_node node; struct mmu_rb_handler *handler; struct list_head list; + struct kref refcount; }; -/* - * NOTE: filter, insert, invalidate, and evict must not sleep. Only remove is - * allowed to sleep. - */ +/* filter and evict must not sleep. Only remove is allowed to sleep. */ struct mmu_rb_ops { bool (*filter)(struct mmu_rb_node *node, unsigned long addr, unsigned long len); - int (*insert)(void *ops_arg, struct mmu_rb_node *mnode); void (*remove)(void *ops_arg, struct mmu_rb_node *mnode); - int (*invalidate)(void *ops_arg, struct mmu_rb_node *node); int (*evict)(void *ops_arg, struct mmu_rb_node *mnode, void *evict_arg, bool *stop); }; @@ -61,6 +57,8 @@ int hfi1_mmu_rb_register(void *ops_arg, void hfi1_mmu_rb_unregister(struct mmu_rb_handler *handler); int hfi1_mmu_rb_insert(struct mmu_rb_handler *handler, struct mmu_rb_node *mnode); +void hfi1_mmu_rb_release(struct kref *refcount); + void hfi1_mmu_rb_evict(struct mmu_rb_handler *handler, void *evict_arg); struct mmu_rb_node *hfi1_mmu_rb_get_first(struct mmu_rb_handler *handler, unsigned long addr, |