GDT_D_IOCTL
GDT_DPRINTF(GDT_D_IOCTL, ("%s: ioctl ", DEVNAME(sc)));
GDT_DPRINTF(GDT_D_IOCTL, ("inq "));
GDT_DPRINTF(GDT_D_IOCTL, ("vol "));
GDT_DPRINTF(GDT_D_IOCTL, ("disk "));
GDT_DPRINTF(GDT_D_IOCTL, ("alarm "));
GDT_DPRINTF(GDT_D_IOCTL, ("setstate "));
GDT_DPRINTF(GDT_D_IOCTL, (" invalid ioctl\n"));