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 
23 typedef 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 
35 void yaffs_PackTags1(yaffs_PackedTags1 * pt, const yaffs_ExtendedTags * t);
36 void yaffs_UnpackTags1(yaffs_ExtendedTags * t, const yaffs_PackedTags1 * pt);
37 #endif
38