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/*
* 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_mark_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__ */
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