66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2011 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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*/
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#ifndef __YNANDIF_H__
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#define __YNANDIF_H__
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#include "yaffs_guts.h"
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struct ynandif_Geometry {
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unsigned start_block;
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unsigned end_block;
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unsigned dataSize;
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unsigned spareSize;
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unsigned pagesPerBlock;
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unsigned hasECC;
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unsigned inband_tags;
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unsigned useYaffs2;
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int (*initialise)(struct yaffs_dev *dev);
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int (*deinitialise)(struct yaffs_dev *dev);
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int (*readChunk) (struct yaffs_dev *dev,
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unsigned pageId,
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unsigned char *data,
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unsigned dataLength,
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unsigned char *spare,
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unsigned spareLength,
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int *eccStatus);
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/* ECC status is set to 0 for OK, 1 for fixed, -1 for unfixed. */
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int (*writeChunk)(struct yaffs_dev *dev,
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unsigned pageId,
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const unsigned char *data,
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unsigned dataLength,
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const unsigned char *spare,
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unsigned spareLength);
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int (*eraseBlock)(struct yaffs_dev *dev, unsigned blockId);
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int (*checkBlockOk)(struct yaffs_dev *dev, unsigned blockId);
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int (*markBlockBad)(struct yaffs_dev *dev, unsigned blockId);
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void *privateData;
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};
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struct yaffs_dev *
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yaffs_add_dev_from_geometry(const YCHAR *name,
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const struct ynandif_Geometry *geometry);
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#endif
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