#ifndef _SCSI_IOCTL_H#define _SCSI_IOCTL_H #define SCSI_IOCTL_PROBE_HOST 0#define SCSI_IOCTL_SEND_COMMAND 1#define SCSI_IOCTL_TEST_UNIT_READY 2/* The door lock/unlock constants are compatible with Sun constants for   the cdrom */#define SCSI_IOCTL_DOORLOCK 0x5380		/* lock the eject mechanism */#define SCSI_IOCTL_DOORUNLOCK 0x5381		/* unlock the mechanism	  */#define	SCSI_REMOVAL_PREVENT	1#define	SCSI_REMOVAL_ALLOW	0extern int scsi_ioctl (Scsi_Device *dev, int cmd, void *arg);extern int kernel_scsi_ioctl (Scsi_Device *dev, int cmd, void *arg);#endif