projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| faca2ef7 DM |
1 | |
| 2 | /* | |
| 3 | * zcache.h | |
| 4 | * | |
| 5 | * Copyright (c) 2012, Dan Magenheimer, Oracle Corp. | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _ZCACHE_H_ | |
| 9 | #define _ZCACHE_H_ | |
| 10 | ||
| 11 | struct zcache_preload { | |
| 12 | struct tmem_obj *obj; | |
| 13 | struct tmem_objnode *objnodes[OBJNODE_TREE_MAX_PATH]; | |
| 14 | }; | |
| 15 | ||
| 16 | struct tmem_pool; | |
| 17 | ||
| 18 | #define MAX_POOLS_PER_CLIENT 16 | |
| 19 | ||
| 20 | #define MAX_CLIENTS 16 | |
| 21 | #define LOCAL_CLIENT ((uint16_t)-1) | |
| 22 | ||
| 23 | struct zcache_client { | |
| 24 | struct tmem_pool *tmem_pools[MAX_POOLS_PER_CLIENT]; | |
| 25 | bool allocated; | |
| 26 | atomic_t refcount; | |
| 27 | }; | |
| 28 | ||
| 29 | extern struct tmem_pool *zcache_get_pool_by_id(uint16_t cli_id, | |
| 30 | uint16_t poolid); | |
| 31 | extern void zcache_put_pool(struct tmem_pool *pool); | |
| 32 | ||
| 33 | extern int zcache_put_page(int, int, struct tmem_oid *, | |
| 34 | uint32_t, void *, | |
| 35 | unsigned int, bool, int); | |
| 36 | extern int zcache_get_page(int, int, struct tmem_oid *, uint32_t, | |
| 37 | void *, size_t *, bool, int); | |
| 38 | extern int zcache_flush_page(int, int, struct tmem_oid *, uint32_t); | |
| 39 | extern int zcache_flush_object(int, int, struct tmem_oid *); | |
| 40 | extern void zcache_decompress_to_page(char *, unsigned int, struct page *); | |
| 41 | ||
| 42 | #ifdef CONFIG_RAMSTER | |
| 43 | extern void *zcache_pampd_create(char *, unsigned int, bool, int, | |
| 44 | struct tmem_handle *); | |
| f0290de2 | 45 | int zcache_autocreate_pool(unsigned int cli_id, unsigned int pool_id, bool eph); |
| faca2ef7 DM |
46 | #endif |
| 47 | ||
| 48 | #define MAX_POOLS_PER_CLIENT 16 | |
| 49 | ||
| 50 | #define MAX_CLIENTS 16 | |
| 51 | #define LOCAL_CLIENT ((uint16_t)-1) | |
| 52 | ||
| 53 | #endif /* _ZCACHE_H_ */ |