hv_intr_setstate
err = hv_intr_setstate(sysino, INTR_IDLE);
hv_intr_setstate(ih->ih_number, INTR_IDLE);
int64_t hv_intr_setstate(uint64_t sysino, uint64_t intr_state);
return hv_intr_setstate(ino, intr_state);