ddi_intr_ctlop_t
i_ddi_intr_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_intr_ctlop_t op,
ddi_intr_ctlop_t op, void *arg, void *val);
ddi_intr_ctlop_t ctlop, void * arg, void * result);