PH_MSGOUT
if (sc->sc_prevphase == PH_MSGOUT) {
if (sc->sc_prevphase == PH_MSGOUT) {
case PH_MSGOUT:
sc->sc_prevphase = PH_MSGOUT;
if (sc->sc_prevphase == PH_MSGOUT) {
bus_space_write_1(iot, ioh, SCSISIG, PH_MSGOUT | ATNO);
if (sc->sc_prevphase == PH_MSGOUT) {
case PH_MSGOUT:
sc->sc_prevphase = PH_MSGOUT;