reactos/include/reactos/libs/fullfat/fat.h

   1 /*****************************************************************************
   2  *  FullFAT - High Performance, Thread-Safe Embedded FAT File-System         *
   3  *  Copyright (C) 2009  James Walmsley (james@worm.me.uk)                    *
   4  *                                                                           *
   5  *  This program is free software: you can redistribute it and/or modify     *
   6  *  it under the terms of the GNU General Public License as published by     *
   7  *  the Free Software Foundation, either version 3 of the License, or        *
   8  *  (at your option) any later version.                                      *
   9  *                                                                           *
  10  *  This program is distributed in the hope that it will be useful,          *
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
  13  *  GNU General Public License for more details.                             *
  14  *                                                                           *
  15  *  You should have received a copy of the GNU General Public License        *
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
  17  *                                                                           *
  18  *  IMPORTANT NOTICE:                                                        *
  19  *  =================                                                        *
  20  *  Alternative Licensing is available directly from the Copyright holder,   *
  21  *  (James Walmsley). For more information consult LICENSING.TXT to obtain   *
  22  *  a Commercial license.                                                    *
  23  *                                                                           *
  24  *  See RESTRICTIONS.TXT for extra restrictions on the use of FullFAT.       *
  25  *                                                                           *
  26  *  Removing the above notice is illegal and will invalidate this license.   *
  27  *****************************************************************************
  28  *  See http://worm.me.uk/fullfat for more information.                      *
  29  *  Or  http://fullfat.googlecode.com/ for latest releases and the wiki.     *
  30  *****************************************************************************/
  31 #ifndef _FAT_H_
  32 #define _FAT_H_
  33
  34 /*
  35         This file defines offsets to various data for the FAT specification.
  36 */
  37
  38 // MBR / PBR Offsets
  39
  40 #define FF_FAT_BYTES_PER_SECTOR         0x00B
  41 #define FF_FAT_SECTORS_PER_CLUS         0x00D
  42 #define FF_FAT_RESERVED_SECTORS         0x00E
  43 #define FF_FAT_NUMBER_OF_FATS           0x010
  44 #define FF_FAT_ROOT_ENTRY_COUNT         0x011
  45 #define FF_FAT_16_TOTAL_SECTORS         0x013
  46 #define FF_FAT_32_TOTAL_SECTORS         0x020
  47 #define FF_FAT_16_SECTORS_PER_FAT       0x016
  48 #define FF_FAT_32_SECTORS_PER_FAT       0x024
  49 #define FF_FAT_ROOT_DIR_CLUSTER         0x02C
  50
  51 #define FF_FAT_PTBL                                     0x1BE
  52 #define FF_FAT_PTBL_LBA                         0x008
  53
  54 #define FF_FAT_DELETED                          0xE5
  55
  56 // Directory Entry Offsets
  57 #define FF_FAT_DIRENT_SHORTNAME         0x000
  58 #define FF_FAT_DIRENT_ATTRIB            0x00B
  59 #define FF_FAT_DIRENT_CREATE_TIME       0x00E   ///< Creation Time.
  60 #define FF_FAT_DIRENT_CREATE_DATE       0x010   ///< Creation Date.
  61 #define FF_FAT_DIRENT_LASTACC_DATE      0x012   ///< Date of Last Access.
  62 #define FF_FAT_DIRENT_CLUS_HIGH         0x014
  63 #define FF_FAT_DIRENT_LASTMOD_TIME      0x016   ///< Time of Last modification.
  64 #define FF_FAT_DIRENT_LASTMOD_DATE      0x018   ///< Date of Last modification.
  65 #define FF_FAT_DIRENT_CLUS_LOW          0x01A
  66 #define FF_FAT_DIRENT_FILESIZE          0x01C
  67 #define FF_FAT_LFN_ORD                          0x000
  68 #define FF_FAT_LFN_NAME_1                       0x001
  69 #define FF_FAT_LFN_CHECKSUM                     0x00D
  70 #define FF_FAT_LFN_NAME_2                       0x00E
  71 #define FF_FAT_LFN_NAME_3                       0x01C
  72
  73 // Dirent Attributes
  74 #define FF_FAT_ATTR_READONLY            0x01
  75 #define FF_FAT_ATTR_HIDDEN                      0x02
  76 #define FF_FAT_ATTR_SYSTEM                      0x04
  77 #define FF_FAT_ATTR_VOLID                       0x08
  78 #define FF_FAT_ATTR_DIR                         0x10
  79 #define FF_FAT_ATTR_ARCHIVE                     0x20
  80 #define FF_FAT_ATTR_LFN                         0x0F
  81
  82 #endif
  83