IPS_DEV_OPEN
if(sc->state & IPS_DEV_OPEN)
sc->state |= IPS_DEV_OPEN;
sc->state &= ~IPS_DEV_OPEN;
if(dsc->state & IPS_DEV_OPEN)
dsc->state |= IPS_DEV_OPEN;
dsc->state &= ~IPS_DEV_OPEN;