/*
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2011 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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*/
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/* This is used to pack YAFFS2 tags, not YAFFS1tags. */
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#ifndef __YAFFS_PACKEDTAGS2_H__
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#define __YAFFS_PACKEDTAGS2_H__
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#include "yaffs_guts.h"
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#include "yaffs_ecc.h"
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struct yaffs_packed_tags2_tags_only {
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unsigned seq_number;
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unsigned obj_id;
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unsigned chunk_id;
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unsigned n_bytes;
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};
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struct yaffs_packed_tags2 {
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struct yaffs_packed_tags2_tags_only t;
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struct yaffs_ecc_other ecc;
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};
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/* Full packed tags with ECC, used for oob tags */
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void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt,
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const struct yaffs_ext_tags *t, int tags_ecc);
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void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt,
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int tags_ecc);
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/* Only the tags part (no ECC for use with inband tags */
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void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt,
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const struct yaffs_ext_tags *t);
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void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t,
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struct yaffs_packed_tags2_tags_only *pt);
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#endif
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