SSTS_BUSY
if ((bus_space_read_1(iot, ioh, SSTS) & SSTS_BUSY) != 0)
if ((bus_space_read_1(iot, ioh, SSTS) & SSTS_BUSY) != 0)
if ((bus_space_read_1(iot, ioh, SSTS) & SSTS_BUSY) != 0)
if (hd->scsi_ssts & (SSTS_INITIATOR|SSTS_TARGET|SSTS_BUSY))