#define S_IO BIT(1) /* Input/Output line from SCSI bus */
#define S_CD BIT(2) /* Command/Data line from SCSI bus */
#define S_BUSY BIT(3) /* Busy line from SCSI bus */
#define S_IO BIT(1) /* Input/Output line from SCSI bus */
#define S_CD BIT(2) /* Command/Data line from SCSI bus */
#define S_BUSY BIT(3) /* Busy line from SCSI bus */