/* 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 nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
const __u8 * data,
const yaffs_ExtendedTags * tags)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
struct mtd_oob_ops ops;
#else
size_t dummy;
#endif
int retval = 0;
loff_t addr;
yaffs_PackedTags2 pt;
T(YAFFS_TRACE_MTD,
(TSTR
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
TENDSTR), chunkInNAND, data, tags));
addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk;
/* For yaffs2 writing there must be both data and tags.
* If we're using inband tags, then the tags are stuffed into
* the end of the data buffer.
*/
if(!data || !tags)
BUG();
else if(dev->inbandTags){
yaffs_PackedTags2TagsPart *pt2tp;
pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
yaffs_PackTags2TagsPart(pt2tp,tags);
}else
yaffs_PackTags2(&pt, tags);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
ops.mode = MTD_OOB_AUTO;
ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt);
ops.len = dev->totalBytesPerChunk;
ops.ooboffs = 0;
ops.datbuf = (__u8 *)data;
ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt;
retval = mtd->write_oob(mtd, addr, &ops);
#else
if (!dev->inbandTags) {
retval = mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
&dummy, data, (__u8 *) &pt, NULL);
} else {
retval = mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy, data);
}
#endif
if (retval == 0)
return YAFFS_OK;
else
return YAFFS_FAIL;
}
void yaffs_PackTags2(yaffs_PackedTags2 *pt, const yaffs_ExtendedTags *t, int tagsECC)
{
yaffs_PackTags2TagsPart(&pt->t, t);
if(tagsECC)
yaffs_ECCCalculateOther((unsigned char *)&pt->t,
sizeof(yaffs_PackedTags2TagsPart),
&pt->ecc);
}
void yaffs_PackTags2(yaffs_PackedTags2 * pt, const yaffs_ExtendedTags * t)
{
yaffs_PackTags2TagsPart(&pt->t,t);
#ifndef YAFFS_IGNORE_TAGS_ECC
{
printk("YAFFS_IGNORE_TAGS_ECC\n");
yaffs_ECCCalculateOther((unsigned char *)&pt->t,
sizeof(yaffs_PackedTags2TagsPart),&pt->ecc);
}
#endif
}
/* 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 retval = 0;
yaffs_PackedTags2 pt;
void *spare;
unsigned spareSize = 0;
unsigned char *bufferIn = DevBufferIn(dev);
unsigned char *bufferOut = DevBufferOut(dev);
unsigned bufferSize = DevBufferSize(dev);
T(YAFFS_TRACE_MTD,
(TSTR
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
TENDSTR), chunkInNAND, data, tags));
/* For yaffs2 writing there must be both data and tags.
* If we're using inband tags, then the tags are stuffed into
* the end of the data buffer.
*/
if(dev->inbandTags){
yaffs_PackedTags2TagsPart *pt2tp;
pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
yaffs_PackTags2TagsPart(pt2tp,tags);
spare = NULL;
spareSize = 0;
}
else{
yaffs_PackTags2(&pt, tags);
spare = &pt;
spareSize = sizeof(yaffs_PackedTags2);
}
yramsim_WritePage(chunkInNAND,
data, dev->totalBytesPerChunk, spare, spareSize);
return YAFFS_OK;
}
/* 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 nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk,
const __u8 *data,
const yaffs_ext_tags *tags)
{
struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#else
size_t dummy;
#endif
int retval = 0;
loff_t addr;
yaffs_PackedTags2 pt;
int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt);
void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t : (void *)&pt;
T(YAFFS_TRACE_MTD,
(TSTR
("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
TENDSTR), nand_chunk, data, tags));
addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
/* For yaffs2 writing there must be both data and tags.
* If we're using inband tags, then the tags are stuffed into
* the end of the data buffer.
*/
if (!data || !tags)
BUG();
else if (dev->param.inband_tags) {
yaffs_PackedTags2TagsPart *pt2tp;
pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->data_bytes_per_chunk);
yaffs_PackTags2TagsPart(pt2tp, tags);
} else
yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
ops.mode = MTD_OOB_AUTO;
ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size;
ops.len = dev->param.total_bytes_per_chunk;
ops.ooboffs = 0;
ops.datbuf = (__u8 *)data;
ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr;
retval = mtd->write_oob(mtd, addr, &ops);
#else
if (!dev->param.inband_tags) {
retval =
mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk,
&dummy, data, (__u8 *) packed_tags_ptr, NULL);
} else {
retval =
mtd->write(mtd, addr, dev->param.total_bytes_per_chunk, &dummy,
data);
}
#endif
if (retval == 0)
return YAFFS_OK;
else
return YAFFS_FAIL;
}
int yflash2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags)
{
int written;
int pos;
int h;
int i;
int nRead;
int error;
T(YAFFS_TRACE_MTD,(TSTR("write chunk %d data %x tags %x" TENDSTR),chunkInNAND,(unsigned)data, (unsigned)tags));
CheckInit();
if(dev->inbandTags){
yaffs_PackedTags2TagsPart * pt2tp;
pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
yaffs_PackTags2TagsPart(pt2tp,tags);
pos = (chunkInNAND % (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE)) * PAGE_SIZE;
h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))];
lseek(h,pos,SEEK_SET);
written = write(h,data,dev->totalBytesPerChunk);
if(yaffs_testPartialWrite){
close(h);
exit(1);
}
if(written != dev->totalBytesPerChunk) return YAFFS_FAIL;
}
else {
if(data)
{
pos = (chunkInNAND % (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE)) * PAGE_SIZE;
h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))];
lseek(h,pos,SEEK_SET);
nRead = read(h, localBuffer,dev->nDataBytesPerChunk);
for(i = error = 0; i < dev->nDataBytesPerChunk && !error; i++){
if(REPORT_ERROR && localBuffer[i] != 0xFF){
printf("nand simulation: chunk %d data byte %d was %0x2\n",
chunkInNAND,i,localBuffer[i]);
error = 1;
}
}
for(i = 0; i < dev->nDataBytesPerChunk; i++)
localBuffer[i] &= data[i];
if(REPORT_ERROR && memcmp(localBuffer,data,dev->nDataBytesPerChunk))
printf("nand simulator: data does not match\n");
lseek(h,pos,SEEK_SET);
written = write(h,localBuffer,dev->nDataBytesPerChunk);
if(yaffs_testPartialWrite){
close(h);
exit(1);
}
#ifdef SIMULATE_FAILURES
if((chunkInNAND >> 6) == 100)
written = 0;
if((chunkInNAND >> 6) == 110)
written = 0;
#endif
if(written != dev->nDataBytesPerChunk) return YAFFS_FAIL;
}
if(tags)
{
pos = (chunkInNAND % (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE)) * PAGE_SIZE + PAGE_DATA_SIZE ;
h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))];
lseek(h,pos,SEEK_SET);
if( 0 && dev->isYaffs2)
{
written = write(h,tags,sizeof(yaffs_ExtendedTags));
if(written != sizeof(yaffs_ExtendedTags)) return YAFFS_FAIL;
}
else
{
yaffs_PackedTags2 pt;
yaffs_PackTags2(&pt,tags);
__u8 * ptab = (__u8 *)&pt;
nRead = read(h,localBuffer,sizeof(pt));
for(i = error = 0; REPORT_ERROR && i < sizeof(pt) && !error; i++){
if(localBuffer[i] != 0xFF){
printf("nand simulation: chunk %d oob byte %d was %0x2\n",
chunkInNAND,i,localBuffer[i]);
error = 1;
}
}
for(i = 0; i < sizeof(pt); i++)
localBuffer[i] &= ptab[i];
if(REPORT_ERROR && memcmp(localBuffer,&pt,sizeof(pt)))
printf("nand sim: tags corruption\n");
lseek(h,pos,SEEK_SET);
written = write(h,localBuffer,sizeof(pt));
if(written != sizeof(pt)) return YAFFS_FAIL;
}
}
}
return YAFFS_OK;
}
