/*
* 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>
* 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 1.7 2007-02-14 01:09:06 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_rd_chunk_tags_nand(yaffs_dev_t *dev, int nand_chunk,
+ __u8 *buffer,
+ yaffs_ext_tags *tags)
{
int result;
- yaffs_ExtendedTags localTags;
-
- int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
-
+ yaffs_ext_tags localTags;
+
+ int realignedChunkInNAND = nand_chunk - dev->chunk_offset;
+
+ dev->n_page_reads++;
+
/* 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.read_chunk_tags_fn)
+ result = dev->param.read_chunk_tags_fn(dev, realignedChunkInNAND, buffer,
tags);
else
- result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev,
+ result = yaffs_tags_compat_rd(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->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) {
+
+ yaffs_block_info_t *bi;
+ bi = yaffs_get_block_info(dev, nand_chunk/dev->param.chunks_per_block);
+ yaffs_handle_chunk_error(dev, bi);
}
-
+
return result;
}
-int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
- int chunkInNAND,
- const __u8 * buffer,
- yaffs_ExtendedTags * tags)
+int yaffs_wr_chunk_tags_nand(yaffs_dev_t *dev,
+ int nand_chunk,
+ const __u8 *buffer,
+ yaffs_ext_tags *tags)
{
- chunkInNAND -= dev->chunkOffset;
-
+ dev->n_page_writes++;
+
+ nand_chunk -= dev->chunk_offset;
+
+
if (tags) {
- tags->sequenceNumber = dev->sequenceNumber;
- tags->chunkUsed = 1;
- if (!yaffs_ValidateTags(tags)) {
+ tags->seq_number = dev->seq_number;
+ tags->chunk_used = 1;
+ if (!yaffs_validate_tags(tags)) {
T(YAFFS_TRACE_ERROR,
(TSTR("Writing uninitialised tags" TENDSTR)));
YBUG();
}
T(YAFFS_TRACE_WRITE,
- (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND,
- tags->objectId, tags->chunkId));
+ (TSTR("Writing chunk %d tags %d %d" TENDSTR), nand_chunk,
+ tags->obj_id, tags->chunk_id));
} else {
T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR)));
YBUG();
}
- if (dev->writeChunkWithTagsToNAND)
- return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
+ if (dev->param.write_chunk_tags_fn)
+ return dev->param.write_chunk_tags_fn(dev, nand_chunk, buffer,
tags);
else
- return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev,
- chunkInNAND,
+ return yaffs_tags_compat_wr(dev,
+ nand_chunk,
buffer,
tags);
}
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
+int yaffs_mark_bad(yaffs_dev_t *dev, int block_no)
{
- blockNo -= dev->blockOffset;
+ block_no -= dev->block_offset;
-;
- if (dev->markNANDBlockBad)
- return dev->markNANDBlockBad(dev, blockNo);
+
+ if (dev->param.bad_block_fn)
+ return dev->param.bad_block_fn(dev, block_no);
else
- return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo);
+ return yaffs_tags_compat_mark_bad(dev, block_no);
}
-int yaffs_QueryInitialBlockState(yaffs_Device * dev,
- int blockNo,
- yaffs_BlockState * state,
- unsigned *sequenceNumber)
+int yaffs_query_init_block_state(yaffs_dev_t *dev,
+ int block_no,
+ yaffs_block_state_t *state,
+ __u32 *seq_number)
{
- blockNo -= dev->blockOffset;
+ block_no -= dev->block_offset;
- if (dev->queryNANDBlock)
- return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber);
+ if (dev->param.query_block_fn)
+ return dev->param.query_block_fn(dev, block_no, state, seq_number);
else
- return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo,
+ return yaffs_tags_compat_query_block(dev, block_no,
state,
- sequenceNumber);
+ seq_number);
}
-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
- int blockInNAND)
+int yaffs_erase_block(struct yaffs_dev_s *dev,
+ int flash_block)
{
int result;
- blockInNAND -= dev->blockOffset;
+ flash_block -= dev->block_offset;
+ dev->n_erasures++;
- dev->nBlockErasures++;
- result = dev->eraseBlockInNAND(dev, blockInNAND);
+ result = dev->param.erase_fn(dev, flash_block);
return result;
}
-int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev)
+int yaffs_init_nand(struct yaffs_dev_s *dev)
{
- return dev->initialiseNAND(dev);
+ if(dev->param.initialise_flash_fn)
+ return dev->param.initialise_flash_fn(dev);
+ return YAFFS_OK;
}
-
+
projects / yaffs2.git / blobdiff