/*******************************************************************************
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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__


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);


#endif /* __mvLru_h__ */
