LXR uboot/include/ext2fs.h

   1/*
   2 *  GRUB  --  GRand Unified Bootloader
   3 *  Copyright (C) 2000, 2001  Free Software Foundation, Inc.
   4 *
   5 *  (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com>
   6 *  Pavel Bartusek <pba@sysgo.de>
   7 *
   8 *  This program is free software; you can redistribute it and/or modify
   9 *  it under the terms of the GNU General Public License as published by
  10 *  the Free Software Foundation; either version 2 of the License, or
  11 *  (at your option) any later version.
  12 *
  13 *  This program is distributed in the hope that it will be useful,
  14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 *  GNU General Public License for more details.
  17 *
  18 *  You should have received a copy of the GNU General Public License
  19 *  along with this program; if not, write to the Free Software
  20 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23/* An implementation for the Ext2FS filesystem ported from GRUB.
  24 * Some parts of this code (mainly the structures and defines) are
  25 * from the original ext2 fs code, as found in the linux kernel.
  26 */
  27
  28
  29#define SECTOR_SIZE             0x200
  30#define SECTOR_BITS             9
  31
  32/* Error codes */
  33typedef enum
  34{
  35  ERR_NONE = 0,
  36  ERR_BAD_FILENAME,
  37  ERR_BAD_FILETYPE,
  38  ERR_BAD_GZIP_DATA,
  39  ERR_BAD_GZIP_HEADER,
  40  ERR_BAD_PART_TABLE,
  41  ERR_BAD_VERSION,
  42  ERR_BELOW_1MB,
  43  ERR_BOOT_COMMAND,
  44  ERR_BOOT_FAILURE,
  45  ERR_BOOT_FEATURES,
  46  ERR_DEV_FORMAT,
  47  ERR_DEV_VALUES,
  48  ERR_EXEC_FORMAT,
  49  ERR_FILELENGTH,
  50  ERR_FILE_NOT_FOUND,
  51  ERR_FSYS_CORRUPT,
  52  ERR_FSYS_MOUNT,
  53  ERR_GEOM,
  54  ERR_NEED_LX_KERNEL,
  55  ERR_NEED_MB_KERNEL,
  56  ERR_NO_DISK,
  57  ERR_NO_PART,
  58  ERR_NUMBER_PARSING,
  59  ERR_OUTSIDE_PART,
  60  ERR_READ,
  61  ERR_SYMLINK_LOOP,
  62  ERR_UNRECOGNIZED,
  63  ERR_WONT_FIT,
  64  ERR_WRITE,
  65  ERR_BAD_ARGUMENT,
  66  ERR_UNALIGNED,
  67  ERR_PRIVILEGED,
  68  ERR_DEV_NEED_INIT,
  69  ERR_NO_DISK_SPACE,
  70  ERR_NUMBER_OVERFLOW,
  71
  72  MAX_ERR_NUM
  73} ext2fs_error_t;
  74
  75
  76extern int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part);
  77extern int ext2fs_ls (char *dirname);
  78extern int ext2fs_open (char *filename);
  79extern int ext2fs_read (char *buf, unsigned len);
  80extern int ext2fs_mount (unsigned part_length);
  81extern int ext2fs_close(void);
  82