1/* 2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 3 * 4 * Copyright (C) 2002-2010 Aleph One Ltd. 5 * for Toby Churchill Ltd and Brightstar Engineering 6 * 7 * Created by Charles Manning <charles@aleph1.co.uk> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU Lesser General Public License version 2.1 as 11 * published by the Free Software Foundation. 12 * 13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. 14 */ 15 16#ifndef __YAFFS_TAGSCOMPAT_H__ 17#define __YAFFS_TAGSCOMPAT_H__ 18 19#include "yaffs_guts.h" 20int yaffs_tags_compat_wr(yaffs_dev_t *dev, 21 int nand_chunk, 22 const __u8 *data, 23 const yaffs_ext_tags *tags); 24int yaffs_tags_compat_rd(yaffs_dev_t *dev, 25 int nand_chunk, 26 __u8 *data, 27 yaffs_ext_tags *tags); 28int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev, 29 int block_no); 30int yaffs_tags_compat_query_block(struct yaffs_dev_s *dev, 31 int block_no, 32 yaffs_block_state_t *state, 33 __u32 *seq_number); 34 35void yaffs_calc_tags_ecc(yaffs_tags_t *tags); 36int yaffs_check_tags_ecc(yaffs_tags_t *tags); 37int yaffs_count_bits(__u8 byte); 38 39#endif 40