* yaffs_ramdisk.c: yaffs ram disk component
* This provides a ram disk under yaffs.
* NB this is not intended for NAND emulation.
- * Use this with dev->useNANDECC enabled, then ECC overheads are not required.
+ * Use this with dev->use_nand_ecc enabled, then ECC overheads are not required.
*/
const char *yaffs_ramdisk_c_version = "$Id: yaffs_ramdisk.c,v 1.6 2010-01-11 04:06:47 charles Exp $";
typedef struct
{
__u8 data[528]; // Data + spare
-} yramdisk_Page;
+} yramdisk_page;
typedef struct
{
- yramdisk_Page page[32]; // The pages in the block
+ yramdisk_page page[32]; // The pages in the block
-} yramdisk_Block;
+} yramdisk_block;
typedef struct
{
- yramdisk_Block **block;
+ yramdisk_block **block;
int nBlocks;
-} yramdisk_Device;
+} yramdisk_device;
-static yramdisk_Device ramdisk;
+static yramdisk_device ramdisk;
-static int CheckInit(yaffs_Device *dev)
+static int CheckInit(yaffs_dev_t *dev)
{
static int initialised = 0;
ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
- ramdisk.block = YMALLOC(sizeof(yramdisk_Block *) * ramdisk.nBlocks);
+ ramdisk.block = YMALLOC(sizeof(yramdisk_block *) * ramdisk.nBlocks);
if(!ramdisk.block) return 0;
for(i=0; i <ramdisk.nBlocks && !fail; i++)
{
- if((ramdisk.block[i] = YMALLOC(sizeof(yramdisk_Block))) == 0)
+ if((ramdisk.block[i] = YMALLOC(sizeof(yramdisk_block))) == 0)
{
fail = 1;
}
else
{
- yramdisk_EraseBlockInNAND(dev,i);
+ yramdisk_erase(dev,i);
nAllocated++;
}
}
return 1;
}
-int yramdisk_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags)
+int yramdisk_wr_chunk(yaffs_dev_t *dev,int nand_chunk,const __u8 *data, const yaffs_ext_tags *tags)
{
int blk;
int pg;
CheckInit(dev);
- blk = chunkInNAND/32;
- pg = chunkInNAND%32;
+ blk = nand_chunk/32;
+ pg = nand_chunk%32;
if(data)
}
-int yramdisk_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags)
+int yramdisk_rd_chunk(yaffs_dev_t *dev,int nand_chunk, __u8 *data, yaffs_ext_tags *tags)
{
int blk;
int pg;
CheckInit(dev);
- blk = chunkInNAND/32;
- pg = chunkInNAND%32;
+ blk = nand_chunk/32;
+ pg = nand_chunk%32;
if(data)
}
-int yramdisk_CheckChunkErased(yaffs_Device *dev,int chunkInNAND)
+int yramdisk_check_chunk_erased(yaffs_dev_t *dev,int nand_chunk)
{
int blk;
int pg;
CheckInit(dev);
- blk = chunkInNAND/32;
- pg = chunkInNAND%32;
+ blk = nand_chunk/32;
+ pg = nand_chunk%32;
for(i = 0; i < 528; i++)
}
-int yramdisk_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
+int yramdisk_erase(yaffs_dev_t *dev, int blockNumber)
{
CheckInit(dev);
}
else
{
- memset(ramdisk.block[blockNumber],0xFF,sizeof(yramdisk_Block));
+ memset(ramdisk.block[blockNumber],0xFF,sizeof(yramdisk_block));
return YAFFS_OK;
}
}
-int yramdisk_InitialiseNAND(yaffs_Device *dev)
+int yramdisk_initialise(yaffs_dev_t *dev)
{
- //dev->useNANDECC = 1; // force on useNANDECC which gets faked.
+ //dev->use_nand_ecc = 1; // force on use_nand_ecc which gets faked.
// This saves us doing ECC checks.
return YAFFS_OK;