pdc_iodc_read
int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
status = pdc_iodc_read(&count, hpa, 0,
status = pdc_iodc_read(&bytecnt, hpa, 0, &iodc_data, 32);
EXPORT_SYMBOL(pdc_iodc_read);
status = pdc_iodc_read(&pdc_result, hpa, 0, &iodc_data, 32 );
status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32);