vmetwo_intr_establish
sc->sc_mvmebus.sc_intr_establish = vmetwo_intr_establish;
vmetwo_intr_establish(sc, 7, 7, VME2_VEC_ABORT, 1,
vmetwo_intr_establish(sc, 1, 1, VME2_VEC_SOFT0, 1,
vmetwo_intr_establish(vmetwo_sc, pri, pri, vec, 1, hand, arg, evcnt);
void vmetwo_intr_establish(void *, int, int, int, int,