/* 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; }