-// This is used to pack YAFFS2 tags, not YAFFS1tags.
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2018 Aleph One Ltd.
+ *
+ * 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"
-typedef struct
-{
- unsigned sequenceNumber;
- unsigned chunkId;
- unsigned objectId;
- unsigned byteCount;
- unsigned nandTagsEcc;
-
-} yaffs_PackedTags2TagsPart;
-
-typedef struct
-{
- yaffs_PackedTags2TagsPart t;
- yaffs_ECCOther ecc;
-} yaffs_PackedTags2;
-
-
-void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t);
-void yaffs_UnpackTags2(yaffs_ExtendedTags *t, const yaffs_PackedTags2 *pt);
+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_dev *dev,
+ struct yaffs_packed_tags2 *pt,
+ const struct yaffs_ext_tags *t, int tags_ecc);
+void yaffs_unpack_tags2(struct yaffs_dev *dev,
+ 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_dev *dev,
+ struct yaffs_packed_tags2_tags_only *pt,
+ const struct yaffs_ext_tags *t);
+void yaffs_unpack_tags2_tags_only(struct yaffs_dev *dev,
+ struct yaffs_ext_tags *t,
+ struct yaffs_packed_tags2_tags_only *pt);
#endif
-
-