modules/ps2fs/bitmap.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: bitmap.h 577 2004-09-14 14:41:46Z pixel $
  11 */
  12
  13 #ifndef _BITMAP_H
  14 #define _BITMAP_H
  15
  16 #define BITMAP_ALLOC    0
  17 #define BITMAP_FREE             1
  18
  19 typedef struct
  20 {
  21         u32 chunk;
  22         u32 index;
  23         u32 bit;
  24         u32 partitionChunks;
  25         u32 partitionRemainder;
  26 } t_bitmapInfo;
  27
  28 void bitmapSetupInfo(pfs_mount_t *pfsMount, t_bitmapInfo *info, u32 subpart, u32 number);
  29 void bitmapAllocFree(pfs_cache_t *clink, u32 operation, u32 subpart, u32 chunk, u32 index, u32 _bit, u32 count);
  30 int bitmapAllocateAdditionalZones(pfs_mount_t *pfsMount, pfs_blockinfo *bi, u32 count);
  31 int bitmapAllocZones(pfs_mount_t *pfsMount, pfs_blockinfo *bi, u32 amount);
  32 int searchFreeZone(pfs_mount_t *pfsMount, pfs_blockinfo *bi, u32 max_count);
  33 void bitmapFreeBlockSegment(pfs_mount_t *pfsMount, pfs_blockinfo *bi);
  34 int calcFreeZones(pfs_mount_t *pfsMount, int sub);
  35 void bitmapShow(pfs_mount_t *pfsMount);
  36 void bitmapFreeInodeBlocks(pfs_cache_t *clink);
  37
  38 #endif /* _BITMAP_H */