GDTIOCTL_MASK     116 dev/ic/gdtreg.h #define GDTIOCTL_GENERAL    (GDTIOCTL_MASK | 0)	/* general IOCTL */
GDTIOCTL_MASK     117 dev/ic/gdtreg.h #define GDTIOCTL_DRVERS	    (GDTIOCTL_MASK | 1)	/* get driver version */
GDTIOCTL_MASK     118 dev/ic/gdtreg.h #define GDTIOCTL_CTRTYPE    (GDTIOCTL_MASK | 2)	/* get controller type */
GDTIOCTL_MASK     119 dev/ic/gdtreg.h #define GDTIOCTL_CTRCNT	    (GDTIOCTL_MASK | 5)	/* get controller count */
GDTIOCTL_MASK     120 dev/ic/gdtreg.h #define GDTIOCTL_LOCKDRV    (GDTIOCTL_MASK | 6)	/* lock host drive */
GDTIOCTL_MASK     121 dev/ic/gdtreg.h #define GDTIOCTL_LOCKCHN    (GDTIOCTL_MASK | 7)	/* lock channel */
GDTIOCTL_MASK     122 dev/ic/gdtreg.h #define GDTIOCTL_EVENT	    (GDTIOCTL_MASK | 8)	/* read controller events */