linux/include/scsi/scsi_ioctl.h
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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
  20struct scsi_device;
  21
  22/*
  23 * Structures used for scsi_ioctl et al.
  24 */
  25
  26typedef struct scsi_ioctl_command {
  27        unsigned int inlen;
  28        unsigned int outlen;
  29        unsigned char data[0];
  30} Scsi_Ioctl_Command;
  31
  32typedef struct scsi_idlun {
  33        __u32 dev_id;
  34        __u32 host_unique_id;
  35} Scsi_Idlun;
  36
  37/* Fibre Channel WWN, port_id struct */
  38typedef struct scsi_fctargaddress {
  39        __u32 host_port_id;
  40        unsigned char host_wwn[8]; // include NULL term.
  41} Scsi_FCTargAddress;
  42
  43extern int scsi_ioctl(struct scsi_device *, int, void __user *);
  44extern int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
  45                                   void __user *arg, int ndelay);
  46
  47#endif /* __KERNEL__ */
  48#endif /* _SCSI_IOCTL_H */
  49