X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_nand.c;h=e816cabf43f8e9b588a435c6198e85165ca98411;hp=c33483c3599b8caadd5dd459514ac355ef96bb82;hb=fe192b14d52d6c7d4722402686dcb553153916c3;hpb=e1ac494e05a5dc7ab61d799af815d103a11d318c

diff --git a/yaffs_nand.c b/yaffs_nand.c
index c33483c..e816cab 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>
@@ -10,125 +10,118 @@
  * 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(struct yaffs_dev *dev, int nand_chunk,
+			     u8 * buffer, struct yaffs_ext_tags *tags)
 {
 	int result;
-	yaffs_ExtendedTags localTags;
-	
-	int realignedChunkInNAND = chunkInNAND - dev->chunkOffset;
-	
+	struct yaffs_ext_tags local_tags;
+
+	int realigned_chunk = 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)
-		tags = &localTags;
+	if (!tags)
+		tags = &local_tags;
 
-	if (dev->readChunkWithTagsFromNAND)
-		result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer,
-						      tags);
+	if (dev->param.read_chunk_tags_fn)
+		result =
+		    dev->param.read_chunk_tags_fn(dev, realigned_chunk, 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);
+		result = yaffs_tags_compat_rd(dev,
+					      realigned_chunk, buffer, tags);
+	if (tags && tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) {
+
+		struct yaffs_block_info *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(struct yaffs_dev *dev,
+			     int nand_chunk,
+			     const u8 * buffer, struct 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)) {
-			T(YAFFS_TRACE_ERROR,
-			  (TSTR("Writing uninitialised tags" TENDSTR)));
+		tags->seq_number = dev->seq_number;
+		tags->chunk_used = 1;
+		if (!yaffs_validate_tags(tags)) {
+			yaffs_trace(YAFFS_TRACE_ERROR, "Writing uninitialised tags");
 			YBUG();
 		}
-		T(YAFFS_TRACE_WRITE,
-		  (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND,
-		   tags->objectId, tags->chunkId));
+		yaffs_trace(YAFFS_TRACE_WRITE,
+			"Writing chunk %d tags %d %d",
+			nand_chunk, tags->obj_id, tags->chunk_id);
 	} else {
-		T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR)));
+		yaffs_trace(YAFFS_TRACE_ERROR, "Writing with no tags");
 		YBUG();
 	}
 
-	if (dev->writeChunkWithTagsToNAND)
-		return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer,
-						     tags);
+	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,
-								       buffer,
-								       tags);
+		return yaffs_tags_compat_wr(dev, nand_chunk, buffer, tags);
 }
 
-int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo)
+int yaffs_mark_bad(struct yaffs_dev *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(struct yaffs_dev *dev,
+				 int block_no,
+				 enum yaffs_block_state *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,
-							     state,
-							     sequenceNumber);
+		return yaffs_tags_compat_query_block(dev, block_no,
+						     state, seq_number);
 }
 
-
-int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
-				  int blockInNAND)
+int yaffs_erase_block(struct yaffs_dev *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 *dev)
 {
-	return dev->initialiseNAND(dev);
+	if (dev->param.initialise_flash_fn)
+		return dev->param.initialise_flash_fn(dev);
+	return YAFFS_OK;
 }
-
-
-