| /* |
| * Copyright (C) 2008 Nokia Corporation |
| * |
| * 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. |
| * |
| * Author: Artem Bityutskiy |
| * |
| * MTD library. |
| */ |
| |
| #ifndef __LIBMTD_H__ |
| #define __LIBMTD_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * struct mtd_info - information about an MTD device. |
| * @num: MTD device number |
| * @major: major number of corresponding character device |
| * @minor: minor number of corresponding character device |
| * @type: flash type (constants like %MTD_NANDFLASH defined in mtd-abi.h) |
| * @type_str: static R/O flash type string |
| * @size: device size in bytes |
| * @eb_cnt: count of eraseblocks |
| * @eb_size: eraseblock size |
| * @min_io_size: minimum input/output unit size |
| * @subpage_size: sub-page size (not set by 'mtd_get_info()'!!!) |
| * @rdonly: non-zero if the device is read-only |
| * @allows_bb: non-zero if the MTD device may have bad eraseblocks |
| * @fd: descriptor of the opened MTD character device node |
| */ |
| struct mtd_info |
| { |
| int num; |
| int major; |
| int minor; |
| int type; |
| const char *type_str; |
| long long size; |
| int eb_cnt; |
| int eb_size; |
| int min_io_size; |
| int subpage_size; |
| unsigned int rdonly:1; |
| unsigned int allows_bb:1; |
| int fd; |
| }; |
| |
| int mtd_get_info(const char *node, struct mtd_info *mtd); |
| int mtd_erase(const struct mtd_info *mtd, int eb); |
| int mtd_is_bad(const struct mtd_info *mtd, int eb); |
| int mtd_read(const struct mtd_info *mtd, int eb, int offs, void *buf, int len); |
| int mtd_write(const struct mtd_info *mtd, int eb, int offs, void *buf, int len); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __LIBMTD_H__ */ |