/*
 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
 *
 * Copyright (C) 2002-2007 Aleph One Ltd.
 *   for Toby Churchill Ltd and Brightstar Engineering
 *
 * Created by Charles Manning <charles@aleph1.co.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 2.1 as
 * published by the Free Software Foundation.
 *
 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
 */

#ifndef __YAFFS_TAGSCOMPAT_H__
#define __YAFFS_TAGSCOMPAT_H__

#include "yaffs_guts.h"
int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev,
						    int chunkInNAND,
						    const __u8 * data,
						    const yaffs_ExtendedTags *
						    tags);
int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev,
						     int chunkInNAND,
						     __u8 * data,
						     yaffs_ExtendedTags *
						     tags);
int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev,
					    int blockNo);
int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev,
					  int blockNo, 
					  yaffs_BlockState *state,
					  __u32 *sequenceNumber);

void yaffs_CalcTagsECC(yaffs_Tags * tags);
int yaffs_CheckECCOnTags(yaffs_Tags * tags);
int yaffs_CountBits(__u8 byte);

#endif
