Name
scsi_ioctl — 
  Dispatch ioctl to scsi device
 
Synopsis
int scsi_ioctl ( | struct scsi_device * sdev,  | 
|   | int cmd,  | 
|   | void __user * arg); | 
 
Arguments
sdev
     scsi device receiving ioctl
    
cmd
     which ioctl is it
    
arg
     data associated with ioctl
    
Description
   The scsi_ioctl function differs from most ioctls in that it
   does not take a major/minor number as the dev field.  Rather, it takes
   a pointer to a struct scsi_device.