/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* published by the Free Software Foundation.
*/
-const char *yaffs_nand_c_version =
- "$Id: yaffs_nand.c,v 1.9 2008-05-05 07:58:58 charles Exp $";
-
#include "yaffs_nand.h"
#include "yaffs_tagscompat.h"
#include "yaffs_tagsvalidity.h"
#include "yaffs_getblockinfo.h"
-int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * buffer,
- yaffs_ExtendedTags * tags)
+int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
+ __u8 *buffer,
+ yaffs_ExtendedTags *tags)
{
int result;
yaffs_ExtendedTags localTags;
int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
+ dev->nPageReads++;
+
/* If there are no tags provided, use local tags to get prioritised gc working */
- if(!tags)
+ if (!tags)
tags = &localTags;
- if (dev->readChunkWithTagsFromNAND)
- result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
+ if (dev->param.readChunkWithTagsFromNAND)
+ result = dev->param.readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
tags);
else
result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
realignedChunkInNAND,
buffer,
tags);
- if(tags &&
- tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){
+ if (tags &&
+ tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) {
- yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
- yaffs_HandleChunkError(dev,bi);
+ yaffs_BlockInfo *bi;
+ bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->param.nChunksPerBlock);
+ yaffs_HandleChunkError(dev, bi);
}
return result;
}
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
+int yaffs_WriteChunkWithTagsToNAND(yaffs_Device *dev,
int chunkInNAND,
- const __u8 * buffer,
- yaffs_ExtendedTags * tags)
+ const __u8 *buffer,
+ yaffs_ExtendedTags *tags)
{
+
+ dev->nPageWrites++;
+
chunkInNAND -= dev->chunkOffset;
YBUG();
}
- if (dev->writeChunkWithTagsToNAND)
- return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
+ if (dev->param.writeChunkWithTagsToNAND)
+ return dev->param.writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
tags);
else
return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev,
tags);
}
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
+int yaffs_MarkBlockBad(yaffs_Device *dev, int blockNo)
{
blockNo -= dev->blockOffset;
-;
- if (dev->markNANDBlockBad)
- return dev->markNANDBlockBad(dev, blockNo);
+
+ if (dev->param.markNANDBlockBad)
+ return dev->param.markNANDBlockBad(dev, blockNo);
else
return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
}
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
+int yaffs_QueryInitialBlockState(yaffs_Device *dev,
int blockNo,
- yaffs_BlockState * state,
+ yaffs_BlockState *state,
__u32 *sequenceNumber)
{
blockNo -= dev->blockOffset;
- if (dev->queryNANDBlock)
- return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber);
+ if (dev->param.queryNANDBlock)
+ return dev->param.queryNANDBlock(dev, blockNo, state, sequenceNumber);
else
return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo,
state,
blockInNAND -= dev->blockOffset;
-
dev->nBlockErasures++;
- result = dev->eraseBlockInNAND(dev, blockInNAND);
+
+ result = dev->param.eraseBlockInNAND(dev, blockInNAND);
return result;
}
int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev)
{
- return dev->initialiseNAND(dev);
+ if(dev->param.initialiseNAND)
+ return dev->param.initialiseNAND(dev);
+ return YAFFS_OK;
}