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" 20 int yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(yaffs_Device * dev, 21 int chunkInNAND, 22 const __u8 * data, 23 const yaffs_ExtendedTags * 24 tags); 25 int yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(yaffs_Device * dev, 26 int chunkInNAND, 27 __u8 * data, 28 yaffs_ExtendedTags * 29 tags); 30 int yaffs_TagsCompatabilityMarkNANDBlockBad(struct yaffs_DeviceStruct *dev, 31 int blockNo); 32 int yaffs_TagsCompatabilityQueryNANDBlock(struct yaffs_DeviceStruct *dev, 33 int blockNo, yaffs_BlockState * 34 state, int *sequenceNumber); 35 36 void yaffs_CalcTagsECC(yaffs_Tags * tags); 37 int yaffs_CheckECCOnTags(yaffs_Tags * tags); 38 int yaffs_CountBits(__u8 byte); 39 40 #endif 41