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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
* Copyright (C) 2002-2011 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
* Created by Charles Manning <>
* 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_FLASH_H__
#define __YAFFS_FLASH_H__
#include "yaffs_guts.h"
int yflash_EraseBlockInNAND(struct yaffs_dev *dev, int blockNumber);
int yflash_WriteChunkToNAND(struct yaffs_dev *dev, int nand_chunk,
const u8 *data, const struct yaffs_spare *spare);
int yflash_WriteChunkWithTagsToNAND(struct yaffs_dev *dev, int nand_chunk,
const u8 *data, const struct yaffs_ext_tags *tags);
int yflash_ReadChunkFromNAND(struct yaffs_dev *dev, int nand_chunk,
u8 *data, struct yaffs_spare *spare);
int yflash_ReadChunkWithTagsFromNAND(struct yaffs_dev *dev, int nand_chunk,
u8 *data, struct yaffs_ext_tags *tags);
int yflash_InitialiseNAND(struct yaffs_dev *dev);
int yflash_MarkNANDBlockBad(struct yaffs_dev *dev, int block_no);
int yflash_QueryNANDBlock(struct yaffs_dev *dev, int block_no,
enum yaffs_block_state *state, u32 *seq_number);