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| Commit | Line | Data |
|---|---|---|
| 0e8cc8bd | 1 | /* |
| 4b070809 | 2 | * YAFFS: Yet another Flash File System . A NAND-flash specific file system. |
| 0e8cc8bd | 3 | * |
| 753ac610 | 4 | * Copyright (C) 2002-2011 Aleph One Ltd. |
| 0e8cc8bd WJ |
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 YAFFS2 tags, not YAFFS1tags. */ | |
| 17 | ||
| 18 | #ifndef __YAFFS_PACKEDTAGS2_H__ | |
| 19 | #define __YAFFS_PACKEDTAGS2_H__ | |
| 20 | ||
| 21 | #include "yaffs_guts.h" | |
| 22 | #include "yaffs_ecc.h" | |
| 23 | ||
| 753ac610 CM |
24 | struct yaffs_packed_tags2_tags_only { |
| 25 | unsigned seq_number; | |
| 26 | unsigned obj_id; | |
| 27 | unsigned chunk_id; | |
| 28 | unsigned n_bytes; | |
| 29 | }; | |
| 0e8cc8bd | 30 | |
| 753ac610 CM |
31 | struct yaffs_packed_tags2 { |
| 32 | struct yaffs_packed_tags2_tags_only t; | |
| 33 | struct yaffs_ecc_other ecc; | |
| 34 | }; | |
| 0e8cc8bd | 35 | |
| 753ac610 CM |
36 | /* Full packed tags with ECC, used for oob tags */ |
| 37 | void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, | |
| 38 | const struct yaffs_ext_tags *t, int tags_ecc); | |
| 39 | void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, | |
| 40 | int tags_ecc); | |
| 41 | ||
| 42 | /* Only the tags part (no ECC for use with inband tags */ | |
| 43 | void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt, | |
| 44 | const struct yaffs_ext_tags *t); | |
| 45 | void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, | |
| 46 | struct yaffs_packed_tags2_tags_only *pt); | |
| 0e8cc8bd | 47 | #endif |