diff options
Diffstat (limited to 'ubi-utils/new-utils/include/libmtd.h')
| -rw-r--r-- | ubi-utils/new-utils/include/libmtd.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/ubi-utils/new-utils/include/libmtd.h b/ubi-utils/new-utils/include/libmtd.h new file mode 100644 index 0000000..d3c6a63 --- /dev/null +++ b/ubi-utils/new-utils/include/libmtd.h @@ -0,0 +1,73 @@ +/* + * 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__ */ |