release/src-rt/linux/linux-2.6/fs/exfat/exfat_part.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_part.h                                              */
  23 /*  PURPOSE : Header File for exFAT Partition Manager                   */
  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_PART_H
  36 #define _EXFAT_PART_H
  37
  38 #include "exfat_config.h"
  39 #include "exfat_global.h"
  40 #include "exfat_api.h"
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif /* __cplusplus */
  45
  46   /*----------------------------------------------------------------------*/
  47         /*  Constant & Macro Definitions                                        */
  48         /*----------------------------------------------------------------------*/
  49
  50 #define MBR_SIGNATURE           0xAA55
  51
  52         /*----------------------------------------------------------------------*/
  53         /*  Type Definitions                                                    */
  54         /*----------------------------------------------------------------------*/
  55
  56         /* MS-DOS FAT master boot record (512 bytes) */
  57         typedef struct {
  58                 UINT8       boot_code[446];
  59                 UINT8       partition[64];
  60                 UINT8       signature[2];
  61         } MBR_SECTOR_T;
  62
  63         /* MS-DOS FAT partition table (64 bytes) */
  64         typedef struct {
  65                 UINT8       def_boot;
  66                 UINT8       bgn_chs[3];
  67                 UINT8       sys_type;
  68                 UINT8       end_chs[3];
  69                 UINT8       start_sector[4];
  70                 UINT8       num_sectors[4];
  71         } PART_ENTRY_T;
  72
  73         /*----------------------------------------------------------------------*/
  74         /*  External Function Declarations                                      */
  75         /*----------------------------------------------------------------------*/
  76
  77         /* volume management functions */
  78         INT32 ffsSetPartition(INT32 dev, INT32 num_vol, PART_INFO_T *vol_spec);
  79         INT32 ffsGetPartition(INT32 dev, INT32 *num_vol, PART_INFO_T *vol_spec);
  80         INT32 ffsGetDevInfo(INT32 dev, DEV_INFO_T *info);
  81
  82         /*----------------------------------------------------------------------*/
  83         /*  External Function Declarations (NOT TO UPPER LAYER)                 */
  84         /*----------------------------------------------------------------------*/
  85
  86 #ifdef __cplusplus
  87 }
  88 #endif /* __cplusplus */
  89
  90 #endif /* _EXFAT_PART_H */
  91
  92 /* end of exfat_part.h */