release/src-rt/linux/linux-2.6/fs/exfat/exfat_data.h

   1 /*
   2  *  Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
   3  *
   4  *  This program is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU General Public License
   6  *  as published by the Free Software Foundation; either version 2
   7  *  of the License, or (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 /************************************************************************/
  20 /*                                                                      */
  21 /*  PROJECT : exFAT & FAT12/16/32 File System                           */
  22 /*  FILE    : exfat_data.h                                              */
  23 /*  PURPOSE : Header File for exFAT Configuable Constants               */
  24 /*                                                                      */
  25 /*----------------------------------------------------------------------*/
  26 /*  NOTES                                                               */
  27 /*                                                                      */
  28 /*----------------------------------------------------------------------*/
  29 /*  REVISION HISTORY (Ver 0.9)                                          */
  30 /*                                                                      */
  31 /*  - 2010.11.15 [Joosun Hahn] : first writing                          */
  32 /*                                                                      */
  33 /************************************************************************/
  34
  35 #ifndef _EXFAT_DATA_H
  36 #define _EXFAT_DATA_H
  37
  38 #include "exfat_config.h"
  39 #include "exfat_global.h"
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif /* __cplusplus */
  44
  45   /*======================================================================*/
  46         /*                                                                      */
  47         /*                        FFS CONFIGURATIONS                            */
  48         /*                  (CHANGE THIS PART IF REQUIRED)                      */
  49         /*                                                                      */
  50         /*======================================================================*/
  51
  52         /* max number of block devices                      */
  53 #define MAX_DEVICE              2
  54
  55         /* max number of volumes on all block devices       */
  56 #define MAX_DRIVE               2
  57
  58         /* max number of open files                         */
  59 #define MAX_OPEN                20
  60
  61         /* max number of root directory entries in FAT12/16 */
  62         /* (should be an exponential value of 2)            */
  63 #define MAX_DENTRY              512
  64
  65         /* cache size (in number of sectors)                */
  66         /* (should be an exponential value of 2)            */
  67 #define FAT_CACHE_SIZE          128
  68 #define FAT_CACHE_HASH_SIZE     64
  69 #define BUF_CACHE_SIZE          256
  70 #define BUF_CACHE_HASH_SIZE     64
  71
  72 #ifndef CONFIG_EXFAT_DEFAULT_CODEPAGE
  73 #define CONFIG_EXFAT_DEFAULT_CODEPAGE   437
  74 #define CONFIG_EXFAT_DEFAULT_IOCHARSET  "utf8"
  75 #endif
  76
  77 #ifdef __cplusplus
  78 }
  79 #endif /* __cplusplus */
  80
  81 #endif /* _EXFAT_DATA_H */
  82
  83 /* end of exfat_data.h */