LXR uboot/fs/yaffs2/yaffs

   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/* This is used to pack YAFFS1 tags, not YAFFS2 tags. */
  17
  18#ifndef __YAFFS_PACKEDTAGS1_H__
  19#define __YAFFS_PACKEDTAGS1_H__
  20
  21#include "yaffs_guts.h"
  22
  23typedef struct {
  24        unsigned chunkId:20;
  25        unsigned serialNumber:2;
  26        unsigned byteCount:10;
  27        unsigned objectId:18;
  28        unsigned ecc:12;
  29        unsigned deleted:1;
  30        unsigned unusedStuff:1;
  31        unsigned shouldBeFF;
  32
  33} yaffs_PackedTags1;
  34
  35void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t);
  36void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt);
  37#endif
  38