1/*
2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yaffs_ramdisk.h: yaffs ram disk component
4 *
5 * Copyright (C) 2002 Aleph One Ltd.
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 General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * $Id: yaffs_flashif.h,v 1.1 2004/11/03 08:29:28 charles Exp $
14 */
15
16// This provides a rma disk under yaffs.
17// NB this is not intended for NAND emulation.
18// Use this with dev->useNANDECC enabled, then ECC overheads are not required.
19
20#ifndef __YAFFS_FLASH_H__
21#define __YAFFS_FLASH_H__
22
23
24#include "yaffs_guts.h"
25int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
26int yflash_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_Spare *spare);
27int yflash_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags);
28int yflash_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Spare *spare);
29int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
30int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
31int yflash_InitialiseNAND(yaffs_Device *dev);
32int yflash_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
33int yflash_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber);
34
35#endif
36