X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_nand.c;h=6964ad18c0d567a04ddf404e4d5dcaf09e720a17;hp=b919da07b8384b90564383f8257bffd82803caaa;hb=401f9eb48ce20b18902ad9a4a8039d43e363d2ec;hpb=6f1de4473200f31d1ca1cf4672baf7afcdec2db0 diff --git a/yaffs_nand.c b/yaffs_nand.c index b919da0..6964ad1 100644 --- a/yaffs_nand.c +++ b/yaffs_nand.c @@ -1,7 +1,7 @@ /* * 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 @@ -9,56 +9,59 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * */ - -const char *yaffs_nand_c_version = - "$Id: yaffs_nand.c,v 1.6 2007-02-12 16:55:26 wookey 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){ - - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); - yaffs_HandleChunkError(dev,bi); + tags); + if (tags && + tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR) { + + 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; - + if (tags) { tags->sequenceNumber = dev->sequenceNumber; tags->chunkUsed = 1; @@ -75,8 +78,8 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, 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, @@ -85,26 +88,26 @@ int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * 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, - unsigned *sequenceNumber) + 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, @@ -119,17 +122,19 @@ int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, 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; } - +