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zcache.h
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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 
12  struct tmem_obj *obj;
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 {
25  bool allocated;
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 *);
45 int zcache_autocreate_pool(unsigned int cli_id, unsigned int pool_id, bool eph);
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_ */