target/linux/generic-2.6/files-2.6.25/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"
  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