target/linux/generic/files/fs/yaffs2/yaffs_nand.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2010 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
  16 #ifndef __YAFFS_NAND_H__
  17 #define __YAFFS_NAND_H__
  18 #include "yaffs_guts.h"
  19
  20
  21
  22 int yaffs_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk,
  23                                         __u8 *buffer,
  24                                         yaffs_ext_tags *tags);
  25
  26 int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev,
  27                                                 int nand_chunk,
  28                                                 const __u8 *buffer,
  29                                                 yaffs_ext_tags *tags);
  30
  31 int yaffs_mark_bad(yaffs_dev_t *dev, int block_no);
  32
  33 int yaffs_query_init_block_state(yaffs_dev_t *dev,
  34                                                 int block_no,
  35                                                 yaffs_block_state_t *state,
  36                                                 unsigned *seq_number);
  37
  38 int yaffs_erase_block(struct yaffs_dev_s *dev,
  39                                   int flash_block);
  40
  41 int yaffs_init_nand(struct yaffs_dev_s *dev);
  42
  43 #endif
  44