target/linux/generic-2.6/files/crypto/ocf/kirkwood/cesa/mvLru.h

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  64 /*******************************************************************************
  65 * mvLru.h - Header File for Least Recently Used Cache algorithm
  66 *
  67 * DESCRIPTION:
  68 *       This header file contains macros typedefs and function declaration for
  69 *       the Least Recently Used Cache algorithm.
  70 *
  71 *******************************************************************************/
  72
  73 #ifndef __mvLru_h__
  74 #define __mvLru_h__
  75
  76
  77 typedef struct
  78 {
  79     int next;
  80     int prev;
  81 } MV_LRU_ENTRY;
  82
  83 typedef struct
  84 {
  85     int             least;
  86     int             most;
  87     MV_LRU_ENTRY*   table;
  88     int             tableSize;
  89
  90 }MV_LRU_CACHE;
  91
  92
  93 /* Find Cache index for replacement LRU */
  94 static INLINE int     mvLruCacheIdxFind(MV_LRU_CACHE* pLruHndl)
  95 {
  96     return pLruHndl->least;
  97 }
  98
  99 /* Init LRU cache module */
 100 MV_LRU_CACHE*   mvLruCacheInit(int numOfEntries);
 101
 102 /* Finish LRU cache module */
 103 void    mvLruCacheFinish(MV_LRU_CACHE* pLruHndl);
 104
 105 /* Update LRU cache database after using cache Index */
 106 void    mvLruCacheIdxUpdate(MV_LRU_CACHE* pLruHndl, int cacheIdx);
 107
 108 /* Delete LRU cache entry */
 109 void    mvLruCacheIdxDelete(MV_LRU_CACHE* pLruHndl, int cacheIdx);
 110
 111
 112 #endif /* __mvLru_h__ */