[people/ms/u-boot.git] / include / ext2fs.h

/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2000, 2001  Free Software Foundation, Inc.
 *
 *  (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com>
 *  Pavel Bartusek <pba@sysgo.de>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* An implementation for the Ext2FS filesystem ported from GRUB.
 * Some parts of this code (mainly the structures and defines) are
 * from the original ext2 fs code, as found in the linux kernel.
 */


#define SECTOR_SIZE		0x200
#define SECTOR_BITS		9

/* Error codes */
typedef enum
{
  ERR_NONE = 0,
  ERR_BAD_FILENAME,
  ERR_BAD_FILETYPE,
  ERR_BAD_GZIP_DATA,
  ERR_BAD_GZIP_HEADER,
  ERR_BAD_PART_TABLE,
  ERR_BAD_VERSION,
  ERR_BELOW_1MB,
  ERR_BOOT_COMMAND,
  ERR_BOOT_FAILURE,
  ERR_BOOT_FEATURES,
  ERR_DEV_FORMAT,
  ERR_DEV_VALUES,
  ERR_EXEC_FORMAT,
  ERR_FILELENGTH,
  ERR_FILE_NOT_FOUND,
  ERR_FSYS_CORRUPT,
  ERR_FSYS_MOUNT,
  ERR_GEOM,
  ERR_NEED_LX_KERNEL,
  ERR_NEED_MB_KERNEL,
  ERR_NO_DISK,
  ERR_NO_PART,
  ERR_NUMBER_PARSING,
  ERR_OUTSIDE_PART,
  ERR_READ,
  ERR_SYMLINK_LOOP,
  ERR_UNRECOGNIZED,
  ERR_WONT_FIT,
  ERR_WRITE,
  ERR_BAD_ARGUMENT,
  ERR_UNALIGNED,
  ERR_PRIVILEGED,
  ERR_DEV_NEED_INIT,
  ERR_NO_DISK_SPACE,
  ERR_NUMBER_OVERFLOW,

  MAX_ERR_NUM
} ext2fs_error_t;


extern int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part);
extern int ext2fs_ls (const char *dirname);
extern int ext2fs_open (const char *filename);
extern int ext2fs_read (char *buf, unsigned len);
extern int ext2fs_mount (unsigned part_length);
extern int ext2fs_close(void);
Commit	Line	Data
bcd0be5c SR	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 */
	33	typedef 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
76	extern int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part);
c87f6457 MF	77	extern int ext2fs_ls (const char *dirname);
c87f6457 MF	78	extern int ext2fs_open (const char *filename);
bcd0be5c SR	79	extern int ext2fs_read (char *buf, unsigned len);
	80	extern int ext2fs_mount (unsigned part_length);
	81	extern int ext2fs_close(void);