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      1 #ifndef _SCSI_IOCTL_H
      2 #define _SCSI_IOCTL_H
      3 
      4 #define SCSI_IOCTL_SEND_COMMAND 1
      5 #define SCSI_IOCTL_TEST_UNIT_READY 2
      6 #define SCSI_IOCTL_BENCHMARK_COMMAND 3
      7 #define SCSI_IOCTL_SYNC 4			/* Request synchronous parameters */
      8 #define SCSI_IOCTL_START_UNIT 5
      9 #define SCSI_IOCTL_STOP_UNIT 6
     10 /* The door lock/unlock constants are compatible with Sun constants for
     11    the cdrom */
     12 #define SCSI_IOCTL_DOORLOCK 0x5380		/* lock the eject mechanism */
     13 #define SCSI_IOCTL_DOORUNLOCK 0x5381		/* unlock the mechanism	  */
     14 
     15 #define	SCSI_REMOVAL_PREVENT	1
     16 #define	SCSI_REMOVAL_ALLOW	0
     17 
     18 #ifdef __KERNEL__
     19 
     20 struct scsi_device;
     21 
     22 /*
     23  * Structures used for scsi_ioctl et al.
     24  */
     25 
     26 typedef struct scsi_ioctl_command {
     27 	unsigned int inlen;
     28 	unsigned int outlen;
     29 	unsigned char data[0];
     30 } Scsi_Ioctl_Command;
     31 
     32 typedef struct scsi_idlun {
     33 	__u32 dev_id;
     34 	__u32 host_unique_id;
     35 } Scsi_Idlun;
     36 
     37 /* Fibre Channel WWN, port_id struct */
     38 typedef struct scsi_fctargaddress {
     39 	__u32 host_port_id;
     40 	unsigned char host_wwn[8]; // include NULL term.
     41 } Scsi_FCTargAddress;
     42 
     43 int scsi_ioctl_block_when_processing_errors(struct scsi_device *sdev,
     44 		int cmd, bool ndelay);
     45 extern int scsi_ioctl(struct scsi_device *, int, void __user *);
     46 
     47 #endif /* __KERNEL__ */
     48 #endif /* _SCSI_IOCTL_H */
     49