QS_READY
scsiq.q_status & ~(QS_READY|QS_ABORTED));
if ((q_status & QS_READY) == 0)
(scsiq->q1.q_no << 8) | QS_READY);
if (((scsiq->q_status & QS_READY) != 0)
q_status |= (QS_READY | QS_BUSY);