blob: 81722b33b0872ac8a165f983af2cc1dd6494d8e8 [file] [log] [blame]
/*
* zcache.h
*
* Copyright (c) 2012, Dan Magenheimer, Oracle Corp.
*/
#ifndef _ZCACHE_H_
#define _ZCACHE_H_
struct zcache_preload {
struct tmem_obj *obj;
struct tmem_objnode *objnodes[OBJNODE_TREE_MAX_PATH];
};
struct tmem_pool;
#define MAX_POOLS_PER_CLIENT 16
#define MAX_CLIENTS 16
#define LOCAL_CLIENT ((uint16_t)-1)
struct zcache_client {
struct tmem_pool *tmem_pools[MAX_POOLS_PER_CLIENT];
bool allocated;
atomic_t refcount;
};
extern struct tmem_pool *zcache_get_pool_by_id(uint16_t cli_id,
uint16_t poolid);
extern void zcache_put_pool(struct tmem_pool *pool);
extern int zcache_put_page(int, int, struct tmem_oid *,
uint32_t, void *,
unsigned int, bool, int);
extern int zcache_get_page(int, int, struct tmem_oid *, uint32_t,
void *, size_t *, bool, int);
extern int zcache_flush_page(int, int, struct tmem_oid *, uint32_t);
extern int zcache_flush_object(int, int, struct tmem_oid *);
extern void zcache_decompress_to_page(char *, unsigned int, struct page *);
#ifdef CONFIG_RAMSTER
extern void *zcache_pampd_create(char *, unsigned int, bool, int,
struct tmem_handle *);
int zcache_autocreate_pool(unsigned int cli_id, unsigned int pool_id, bool eph);
#endif
#define MAX_POOLS_PER_CLIENT 16
#define MAX_CLIENTS 16
#define LOCAL_CLIENT ((uint16_t)-1)
#endif /* _ZCACHE_H_ */