memcpy16_fromio
memcpy16_fromio(buf, host->main_area0 + i * 512, 512);
memcpy16_fromio(buf, host->spare0 + i * host->devtype_data->spare_len,
memcpy16_fromio(d + i * oob_chunk_size,
memcpy16_fromio(d + i * oob_chunk_size,