|  | /* | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | #ifndef __YAFFS_NAND_H__ | 
|  | #define __YAFFS_NAND_H__ | 
|  | #include "yaffs_guts.h" | 
|  |  | 
|  | int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk, | 
|  | u8 *buffer, struct yaffs_ext_tags *tags); | 
|  |  | 
|  | int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev, | 
|  | int nand_chunk, | 
|  | const u8 *buffer, struct yaffs_ext_tags *tags); | 
|  |  | 
|  | int yaffs_mark_bad(struct yaffs_dev *dev, int block_no); | 
|  |  | 
|  | int yaffs_query_init_block_state(struct yaffs_dev *dev, | 
|  | int block_no, | 
|  | enum yaffs_block_state *state, | 
|  | unsigned *seq_number); | 
|  |  | 
|  | int yaffs_erase_block(struct yaffs_dev *dev, int flash_block); | 
|  |  | 
|  | int yaffs_init_nand(struct yaffs_dev *dev); | 
|  | int yaffs_deinit_nand(struct yaffs_dev *dev); | 
|  |  | 
|  | #endif |