yaffs_tagscompat.h 1.2 KB

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  1. /*
  2. * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  3. *
  4. * Copyright (C) 2002-2011 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. #ifndef __YAFFS_TAGSCOMPAT_H__
  16. #define __YAFFS_TAGSCOMPAT_H__
  17. #include "yaffs_guts.h"
  18. int yaffs_tags_compat_wr(struct yaffs_dev *dev,
  19. int nand_chunk,
  20. const u8 *data, const struct yaffs_ext_tags *tags);
  21. int yaffs_tags_compat_rd(struct yaffs_dev *dev,
  22. int nand_chunk,
  23. u8 *data, struct yaffs_ext_tags *tags);
  24. int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no);
  25. int yaffs_tags_compat_query_block(struct yaffs_dev *dev,
  26. int block_no,
  27. enum yaffs_block_state *state,
  28. u32 *seq_number);
  29. void yaffs_calc_tags_ecc(struct yaffs_tags *tags);
  30. int yaffs_check_tags_ecc(struct yaffs_tags *tags);
  31. int yaffs_count_bits(u8 byte);
  32. #endif