X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffs_nandif.c;h=e103757f12fe36316ca477dbc237d065a859e56c;hp=6f36eb7d3eb5d708aa6cf650ff155db82c7470e3;hb=137f935f6d622bffdef2fece0c5194e85f5174e9;hpb=4a700fe570d217c2c5df87070db7c2652bc0eaaf

diff --git a/direct/yaffs_nandif.c b/direct/yaffs_nandif.c
index 6f36eb7..e103757 100644
--- a/direct/yaffs_nandif.c
+++ b/direct/yaffs_nandif.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>
@@ -13,7 +13,6 @@
 
 #include "yportenv.h"
 #include "yaffs_guts.h"
-#include "devextras.h"
 
 
 #include "yaffs_nandif.h"
@@ -22,28 +21,27 @@
 #include "yramsim.h"
 
 #include "yaffs_trace.h"
-
+#include "yaffsfs.h"
 
 
 /* NB For use with inband tags....
  * We assume that the data buffer is of size totalBytersPerChunk so that we can also
  * use it to load the tags.
  */
-int ynandif_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
-				      const __u8 * data,
-				      const yaffs_ExtendedTags * tags)
+int ynandif_WriteChunkWithTagsToNAND(struct yaffs_dev * dev, int nand_chunk,
+				      const u8 * data,
+				      const struct yaffs_ext_tags * tags)
 {
 
 	int retval = 0;
-	yaffs_PackedTags2 pt;
+	struct yaffs_packed_tags2 pt;
 	void *spare;
 	unsigned spareSize = 0;
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
-	T(YAFFS_TRACE_MTD,
-	  (TSTR
-	   ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
-	    TENDSTR), chunkInNAND, data, tags));
+	yaffs_trace(YAFFS_TRACE_MTD,
+		"nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p",
+		nand_chunk, data, tags);
 	    
 
 	/* For yaffs2 writing there must be both data and tags.
@@ -51,126 +49,127 @@ int ynandif_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
 	 * the end of the data buffer.
 	 */
 
-	if(dev->param.inbandTags){
-		yaffs_PackedTags2TagsPart *pt2tp;
-		pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
-		yaffs_PackTags2TagsPart(pt2tp,tags);
+	if(dev->param.inband_tags){
+		struct yaffs_packed_tags2_tags_only *pt2tp;
+		pt2tp = (struct yaffs_packed_tags2_tags_only *)
+			(data + dev->data_bytes_per_chunk);
+		yaffs_pack_tags2_tags_only(pt2tp,tags);
 		spare = NULL;
 		spareSize = 0;
 	}
 	else{
-		yaffs_PackTags2(&pt, tags,!dev->param.noTagsECC);
+		yaffs_pack_tags2(&pt, tags,!dev->param.no_tags_ecc);
 		spare = &pt;
-		spareSize = sizeof(yaffs_PackedTags2);
+		spareSize = sizeof(struct yaffs_packed_tags2);
 	}
 	
-	retval = geometry->writeChunk(dev,chunkInNAND,
-					  data, dev->param.totalBytesPerChunk, spare, spareSize);
+	retval = geometry->writeChunk(dev,nand_chunk,
+				data, dev->param.total_bytes_per_chunk,
+				spare, spareSize);
 
 	return retval;
 }
 
-int ynandif_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
-				       __u8 * data, yaffs_ExtendedTags * tags)
+int ynandif_ReadChunkWithTagsFromNAND(struct yaffs_dev * dev, int nand_chunk,
+				       u8 * data, struct yaffs_ext_tags * tags)
 {
-	yaffs_PackedTags2 pt;
+	struct yaffs_packed_tags2 pt;
 	int localData = 0;
 	void *spare = NULL;
 	unsigned spareSize;
 	int retval = 0;
 	int eccStatus; //0 = ok, 1 = fixed, -1 = unfixed
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
-	T(YAFFS_TRACE_MTD,
-	  (TSTR
-	   ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
-	    TENDSTR), chunkInNAND, data, tags));
+	yaffs_trace(YAFFS_TRACE_MTD,
+		"nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p",
+		nand_chunk, data, tags);
 	    
 	if(!tags){
 		spare = NULL;
 		spareSize = 0;
-	}else if(dev->param.inbandTags){
+	}else if(dev->param.inband_tags){
 		
 		if(!data) {
 			localData = 1;
-			data = yaffs_GetTempBuffer(dev,__LINE__);
+			data = yaffs_get_temp_buffer(dev,__LINE__);
 		}
 		spare = NULL;
 		spareSize = 0;
 	}
 	else {
 		spare = &pt;
-		spareSize = sizeof(yaffs_PackedTags2);
+		spareSize = sizeof(struct yaffs_packed_tags2);
 	}
 
-	retval = geometry->readChunk(dev,chunkInNAND,
+	retval = geometry->readChunk(dev,nand_chunk,
 					 data,
-					 data ? dev->param.totalBytesPerChunk : 0,
+					 data ? dev->param.total_bytes_per_chunk : 0,
 					 spare,spareSize,
 					 &eccStatus);
 
-	if(dev->param.inbandTags){
+	if(dev->param.inband_tags){
 		if(tags){
-			yaffs_PackedTags2TagsPart * pt2tp;
-			pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];	
-			yaffs_UnpackTags2TagsPart(tags,pt2tp);
+			struct yaffs_packed_tags2_tags_only * pt2tp;
+			pt2tp = (struct yaffs_packed_tags2_tags_only *)&data[dev->data_bytes_per_chunk];	
+			yaffs_unpack_tags2_tags_only(tags,pt2tp);
 		}
 	}
 	else {
 		if (tags){
-			yaffs_UnpackTags2(tags, &pt,!dev->param.noTagsECC);
+			yaffs_unpack_tags2(tags, &pt,!dev->param.no_tags_ecc);
 		}
 	}
 
-	if(tags && tags->chunkUsed){
+	if(tags && tags->chunk_used){
 		if(eccStatus < 0 || 
-		   tags->eccResult == YAFFS_ECC_RESULT_UNFIXED)
-			tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
+		   tags->ecc_result == YAFFS_ECC_RESULT_UNFIXED)
+			tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED;
 		else if(eccStatus > 0 ||
-			     tags->eccResult == YAFFS_ECC_RESULT_FIXED)
-			tags->eccResult = YAFFS_ECC_RESULT_FIXED;
+			     tags->ecc_result == YAFFS_ECC_RESULT_FIXED)
+			tags->ecc_result = YAFFS_ECC_RESULT_FIXED;
 		else
-			tags->eccResult = YAFFS_ECC_RESULT_NO_ERROR;
+			tags->ecc_result = YAFFS_ECC_RESULT_NO_ERROR;
 	}
 
 	if(localData)
-		yaffs_ReleaseTempBuffer(dev,data,__LINE__);
+		yaffs_release_temp_buffer(dev,data,__LINE__);
 	
 	return retval;
 }
 
-int ynandif_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockId)
+int ynandif_MarkNANDBlockBad(struct yaffs_dev *dev, int blockId)
 {
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
 	return geometry->markBlockBad(dev,blockId);
 }
 
-int ynandif_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, int blockId)
+int ynandif_EraseBlockInNAND(struct yaffs_dev *dev, int blockId)
 {
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
 	return geometry->eraseBlock(dev,blockId);
 
 }
 
 
-static int ynandif_IsBlockOk(struct yaffs_DeviceStruct *dev, int blockId)
+static int ynandif_IsBlockOk(struct yaffs_dev *dev, int blockId)
 {
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
 	return geometry->checkBlockOk(dev,blockId);
 }
 
-int ynandif_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockId, yaffs_BlockState *state, __u32 *sequenceNumber)
+int ynandif_QueryNANDBlock(struct yaffs_dev *dev, int blockId, 
+		enum yaffs_block_state *state, u32 *seq_number)
 {
 	unsigned chunkNo;
-	yaffs_ExtendedTags tags;
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	struct yaffs_ext_tags tags;
 
-	*sequenceNumber = 0;
+	*seq_number = 0;
 	
-	chunkNo = blockId * dev->param.nChunksPerBlock;
+	chunkNo = blockId * dev->param.chunks_per_block;
 	
 	if(!ynandif_IsBlockOk(dev,blockId)){
 		*state = YAFFS_BLOCK_STATE_DEAD;
@@ -179,14 +178,14 @@ int ynandif_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockId, yaffs_Bl
 	{
 		ynandif_ReadChunkWithTagsFromNAND(dev,chunkNo,NULL,&tags);
 
-		if(!tags.chunkUsed)
+		if(!tags.chunk_used)
 		{
 			*state = YAFFS_BLOCK_STATE_EMPTY;
 		}
 		else 
 		{
 			*state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
-			*sequenceNumber = tags.sequenceNumber;
+			*seq_number = tags.seq_number;
 		}
 	}
 
@@ -194,18 +193,18 @@ int ynandif_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockId, yaffs_Bl
 }
 
 
-int ynandif_InitialiseNAND(yaffs_Device *dev)
+int ynandif_InitialiseNAND(struct yaffs_dev *dev)
 {
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
 	geometry->initialise(dev);
 
 	return YAFFS_OK;
 }
 
-int ynandif_DeinitialiseNAND(yaffs_Device *dev)
+int ynandif_Deinitialise_flash_fn(struct yaffs_dev *dev)
 {
-	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driverContext);
+	ynandif_Geometry *geometry = (ynandif_Geometry *)(dev->driver_context);
 
 	geometry->deinitialise(dev);
 
@@ -213,45 +212,46 @@ int ynandif_DeinitialiseNAND(yaffs_Device *dev)
 }
 
 
-struct yaffs_DeviceStruct * 
-	yaffs_AddDeviceFromGeometry(const YCHAR *name,
+struct yaffs_dev * 
+	yaffs_add_dev_from_geometry(const YCHAR *name,
 					const ynandif_Geometry *geometry)
 {
-	YCHAR *clonedName = YMALLOC(sizeof(YCHAR) * (yaffs_strnlen(name,YAFFS_MAX_NAME_LENGTH)+1));
-	struct yaffs_DeviceStruct *dev = YMALLOC(sizeof(struct yaffs_DeviceStruct));
+	YCHAR *clonedName = malloc(sizeof(YCHAR) * (strnlen(name,YAFFS_MAX_NAME_LENGTH)+1));
+	struct yaffs_dev *dev = malloc(sizeof(struct yaffs_dev));
 
 	if(dev && clonedName){
-		memset(dev,0,sizeof(struct yaffs_DeviceStruct));
-		yaffs_strcpy(clonedName,name);
+		memset(dev,0,sizeof(struct yaffs_dev));
+		strcpy(clonedName,name);
 
 		dev->param.name = clonedName;
-		dev->param.writeChunkWithTagsToNAND  = ynandif_WriteChunkWithTagsToNAND;
-		dev->param.readChunkWithTagsFromNAND = ynandif_ReadChunkWithTagsFromNAND;
-		dev->param.eraseBlockInNAND          = ynandif_EraseBlockInNAND;
-		dev->param.initialiseNAND            = ynandif_InitialiseNAND;
-		dev->param.queryNANDBlock            = ynandif_QueryNANDBlock;
-		dev->param.markNANDBlockBad          = ynandif_MarkNANDBlockBad;
-		dev->param.nShortOpCaches			   = 20;
-		dev->param.startBlock                = geometry->startBlock;
-		dev->param.endBlock                  = geometry->endBlock;
-		dev->param.totalBytesPerChunk		   = geometry->dataSize;
-		dev->param.spareBytesPerChunk		   = geometry->spareSize;
-		dev->param.inbandTags				   = geometry->inbandTags;
-		dev->param.nChunksPerBlock		   = geometry->pagesPerBlock;
-		dev->param.useNANDECC				   = geometry->hasECC;
-		dev->param.isYaffs2				   = geometry->useYaffs2;
-		dev->param.nReservedBlocks		   = 5;
-		dev->driverContext			   = (void *)geometry;
-
-		yaffs_AddDevice(dev);
+		dev->param.write_chunk_tags_fn = ynandif_WriteChunkWithTagsToNAND;
+		dev->param.read_chunk_tags_fn = ynandif_ReadChunkWithTagsFromNAND;
+		dev->param.erase_fn = ynandif_EraseBlockInNAND;
+		dev->param.initialise_flash_fn = ynandif_InitialiseNAND;
+		dev->param.query_block_fn = ynandif_QueryNANDBlock;
+		dev->param.bad_block_fn = ynandif_MarkNANDBlockBad;
+		dev->param.n_caches = 20;
+		dev->param.start_block = geometry->start_block;
+		dev->param.end_block   = geometry->end_block;
+		dev->param.total_bytes_per_chunk  = geometry->dataSize;
+		dev->param.spare_bytes_per_chunk  = geometry->spareSize;
+		dev->param.inband_tags		  = geometry->inband_tags;
+		dev->param.chunks_per_block	  = geometry->pagesPerBlock;
+		dev->param.use_nand_ecc		  = geometry->hasECC;
+		dev->param.is_yaffs2		  = geometry->useYaffs2;
+		dev->param.n_reserved_blocks	  = 5;
+		dev->driver_context		  = (void *)geometry;
+
+		yaffs_add_device(dev);
 
 		return dev;
 	}
 
 	if(dev)
-		YFREE(dev);
+		free(dev);
 	if(clonedName)
-		YFREE(clonedName);
+		free(clonedName);
 
 	return NULL;
 }
+