modules/hdd/ps2hdd/cache.h

   1 /*
   2 # _____     ___ ____     ___ ____
   3 #  ____|   |    ____|   |        | |____|
   4 # |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
   5 #-----------------------------------------------------------------------
   6 # Copyright 2001-2004, ps2dev - http://www.ps2dev.org
   7 # Licenced under Academic Free License version 2.0
   8 # Review ps2sdk README & LICENSE files for further details.
   9 #
  10 # $Id: cache.h 577 2004-09-14 14:41:46Z pixel $
  11 */
  12
  13 #ifndef _CACHE_H
  14 #define _CACHE_H
  15
  16 #define CACHE_FLAG_DIRTY 0x01
  17 typedef struct sapa_cache
  18 {
  19         struct sapa_cache *next;
  20         struct sapa_cache *tail;
  21         u16 flags;
  22         u16 nused;
  23         u32 device;
  24         u32 sector;
  25         apa_header *header;
  26 } apa_cache;
  27
  28 ///////////////////////////////////////////////////////////////////////////////
  29 //   Function declerations
  30
  31 int cacheInit(u32 size);
  32 void cacheLink(apa_cache *clink, apa_cache *cnew);
  33 apa_cache *cacheUnLink(apa_cache *clink);
  34 int cacheTransfer(apa_cache *clink, int type);
  35 void cacheFlushDirty(apa_cache *clink);
  36 int cacheFlushAllDirty(u32 device);
  37 apa_cache *cacheGetHeader(u32 device, u32 sector, u32 mode, int *err);
  38 void cacheAdd(apa_cache *clink);
  39 apa_cache *cacheGetFree();
  40
  41 #endif /* _CACHE_H */