From bcd0be5cf1b831a3ebe85b9f7285fa2eebae8a7b Mon Sep 17 00:00:00 2001 From: stroese Date: Thu, 16 Dec 2004 17:33:10 +0000 Subject: ext2fs support added --- include/ext2fs.h | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 include/ext2fs.h (limited to 'include/ext2fs.h') diff --git a/include/ext2fs.h b/include/ext2fs.h new file mode 100644 index 0000000..de935b0 --- /dev/null +++ b/include/ext2fs.h @@ -0,0 +1,81 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2000, 2001 Free Software Foundation, Inc. + * + * (C) Copyright 2003 Sysgo Real-Time Solutions, AG + * Pavel Bartusek + * + * 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 (char *dirname); +extern int ext2fs_open (char *filename); +extern int ext2fs_read (char *buf, unsigned len); +extern int ext2fs_mount (unsigned part_length); +extern int ext2fs_close(void); -- cgit v1.1