/*******************************************************************************
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*******************************************************************************/
/*******************************************************************************
* mvLru.h - Header File for Least Recently Used Cache algorithm
*
* DESCRIPTION:
*       This header file contains macros typedefs and function declaration for
*       the Least Recently Used Cache algorithm.
*
*******************************************************************************/

#ifndef __mvLru_h__
#define __mvLru_h__

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
	int next;
	int prev;
} MV_LRU_ENTRY;

typedef struct {
	int least;
	int most;
	MV_LRU_ENTRY *table;
	int tableSize;
} MV_LRU_CACHE;

/* Find Cache index for replacement LRU */
static INLINE int mvLruCacheIdxFind(MV_LRU_CACHE *pLruHndl)
{
	return pLruHndl->least;
}
/* Init LRU cache module */
MV_LRU_CACHE *mvLruCacheInit(int numOfEntries);

/* Finish LRU cache module */
void mvLruCacheFinish(MV_LRU_CACHE *pLruHndl);

/* Update LRU cache database after using cache Index */
void mvLruCacheIdxUpdate(MV_LRU_CACHE *pLruHndl, int cacheIdx);

/* Delete LRU cache entry */
void mvLruCacheIdxDelete(MV_LRU_CACHE *pLruHndl, int cacheIdx);

#ifdef __cplusplus
}
#endif

#endif /* __mvLru_h__ */