firmware/export/disk.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef _DISK_H_
  22 #define _DISK_H_
  23
  24 #include "mv.h" /* for volume definitions */
  25
  26 struct partinfo {
  27     unsigned long start; /* first sector (LBA) */
  28     unsigned long size;  /* number of sectors */
  29     unsigned char type;
  30 };
  31
  32 #define PARTITION_TYPE_FAT32                0x0b
  33 #define PARTITION_TYPE_FAT32_LBA            0x0c
  34 #define PARTITION_TYPE_FAT16                0x06
  35 #define PARTITION_TYPE_OS2_HIDDEN_C_DRIVE   0x84
  36
  37 /* returns a pointer to an array of 8 partinfo structs */
  38 struct partinfo* disk_init(IF_MD_NONVOID(int drive));
  39 struct partinfo* disk_partinfo(int partition);
  40
  41 void disk_init_subsystem(void); /* Initialises mutexes */
  42 int disk_mount_all(void); /* returns the # of successful mounts */
  43 int disk_mount(int drive);
  44 int disk_unmount(int drive);
  45
  46 /* The number of 512-byte sectors in a "logical" sector. Needed for ipod 5.5G */
  47 #ifdef MAX_LOG_SECTOR_SIZE
  48 extern int disk_sector_multiplier;
  49 #endif
  50
  51 #endif