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