| 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" |
| 20 | int yaffs_tags_compat_wr(yaffs_dev_t *dev, |
| 21 | int nand_chunk, |
| 22 | const __u8 *data, |
| 23 | const yaffs_ext_tags *tags); |
| 24 | int yaffs_tags_compat_rd(yaffs_dev_t *dev, |
| 25 | int nand_chunk, |
| 26 | __u8 *data, |
| 27 | yaffs_ext_tags *tags); |
| 28 | int yaffs_tags_compat_mark_bad(struct yaffs_dev_s *dev, |
| 29 | int block_no); |
| 30 | int 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 | |
| 35 | void yaffs_calc_tags_ecc(yaffs_tags_t *tags); |
| 36 | int yaffs_check_tags_ecc(yaffs_tags_t *tags); |
| 37 | int yaffs_count_bits(__u8 byte); |
| 38 | |
| 39 | #endif |
| 40 | |