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/*
* cache.h
*
* Written by: Petr Tesarik <ptesarik@suse.cz>
*
* Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _CACHE_H
#define _CACHE_H
struct cache_entry {
unsigned long long paddr;
void *bufptr;
unsigned long buflen;
struct cache_entry *next, *prev;
void (*discard)(struct cache_entry *);
};
int cache_init(void);
void *cache_search(unsigned long long paddr, unsigned long length);
struct cache_entry *cache_alloc(unsigned long long paddr);
void cache_add(struct cache_entry *entry);
void cache_free(struct cache_entry *entry);
#endif /* _CACHE_H */
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