Root/target/linux/generic/files/fs/yaffs2/yaffs_tagscompat.h

1/*
2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2007 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_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
21                            int chunkInNAND,
22                            const __u8 * data,
23                            const yaffs_ExtendedTags *
24                            tags);
25int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
26                             int chunkInNAND,
27                             __u8 * data,
28                             yaffs_ExtendedTags *
29                             tags);
30int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
31                        int blockNo);
32int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
33                      int blockNo, yaffs_BlockState *
34                      state, int *sequenceNumber);
35
36void yaffs_CalcTagsECC(yaffs_Tags * tags);
37int yaffs_CheckECCOnTags(yaffs_Tags * tags);
38int yaffs_CountBits(__u8 byte);
39
40#endif
41

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