X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_nand.c;h=d1fe84af8cfd832ca80100c4b8aff62f42ecb439;hp=38989851ed7f24f4267f74a7fccd6af8a1e8327d;hb=ef24b90a2e00a9a3db2bab70261807037ccc0bd7;hpb=a4d9ea92251deb3c1389e3e3443faf4341f817db

diff --git a/yaffs_nand.c b/yaffs_nand.c
index 3898985..d1fe84a 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 <charles@aleph1.co.uk>
@@ -11,123 +11,129 @@
  * published by the Free Software Foundation.
  */
 
-const char *yaffs_nand_c_version =
-    "$Id: yaffs_nand.c,v 1.8 2007-12-13 15:35:18 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;
+	yaffs_ext_tags localTags;
+
+	int realignedChunkInNAND = nand_chunk - dev->chunk_offset;
 
-	int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
+	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){
+	if (tags &&
+	   tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) {
 
-		yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock);
-                yaffs_HandleChunkError(dev,bi);
+		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;
 }