LXR uboot/fs/yaffs2/yaffs

   1/*
   2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3 *
   4 * Copyright (C) 2002-2011 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_tags_compat_wr(struct yaffs_dev *dev,
  21                         int nand_chunk,
  22                         const u8 *data, const struct yaffs_ext_tags *tags);
  23int yaffs_tags_compat_rd(struct yaffs_dev *dev,
  24                         int nand_chunk,
  25                         u8 *data, struct yaffs_ext_tags *tags);
  26int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no);
  27int yaffs_tags_compat_query_block(struct yaffs_dev *dev,
  28                                  int block_no,
  29                                  enum yaffs_block_state *state,
  30                                  u32 *seq_number);
  31
  32void yaffs_calc_tags_ecc(struct yaffs_tags *tags);
  33int yaffs_check_tags_ecc(struct yaffs_tags *tags);
  34int yaffs_count_bits(u8 byte);
  35
  36#endif
  37