/* MTX -- SCSI Tape Attached Medium Control Program   Copyright 1997-1998 Leonard N. Zubkoff <lnz@dandelion.com>    Changes 1999 Eric Lee Green to add support for multi-drive tape changers.   $Date: 2001/06/19 21:51:32 $   $Revision: 1.3 $   See mtx.c for licensing information. */#ifndef MTX_H  /* protect against multiple includes... */#define MTX_H 1/* surround all the Unix-stuff w/ifndef VMS */#ifdef VMS#include "[.vms]defs.h"#else /* all the Unix stuff:  */#include "config.h"  /* all the autoconf stuff. *//* all the general Unix includes: */#include <stdio.h>#include <errno.h>#if HAVE_STDLIB_H#  include <stdlib.h>#endif#if HAVE_FCNTL_H#  include <fcntl.h>#endif#if HAVE_SYS_TYPES_H#  include <sys/types.h>#endif#if HAVE_STRING_H# include <string.h>#else# include <strings.h>#endif#if HAVE_UNISTD_H#  include <unistd.h>#endif#if HAVE_STDARG_H#  include <stdarg.h>#endif#if HAVE_SYS_STAT_H# include <sys/stat.h>#endif#if HAVE_SYS_IOCTL_H#  include <sys/ioctl.h>#endif/* Now greately modified to use GNU Autoconf stuff: *//* If we use the 'sg' interface, like Linux, do this: */#if HAVE_SCSI_SG_H#  include <scsi/scsi.h>#  include <scsi/scsi_ioctl.h>#  include <scsi/sg.h>typedef int DEVICE_TYPE; /* the sg interface uses this. */#  define HAVE_GET_ID_LUN 1  /* signal that we have it... */#endif/* The 'cam' interface, like FreeBSD: */#if HAVE_CAMLIB_H#  include <camlib.h> /* easy (?) access to the CAM user library. */#  include <cam/cam_ccb.h>#  include <cam/scsi/scsi_message.h> /* sigh sigh sigh! */typedef struct cam_device *DEVICE_TYPE;#endif/* the 'uscsi' interface, as used on Solaris: */#if HAVE_SYS_SCSI_IMPL_USCSI_H#include <sys/scsi/impl/uscsi.h>typedef int DEVICE_TYPE;#endif/* the scsi_ctl interface, as used on HP/UX: */#if HAVE_SYS_SCSI_CTL_H#  include <sys/wsio.h>#  include <sys/spinlock.h>#  include <sys/scsi.h>#  include <sys/scsi_ctl.h>  typedef int DEVICE_TYPE;#  ifndef VERSION#     define VERSION "1.2.12 hbb"#  endif#endif/* The 'tm_buf' interface, as used on AIX. */#ifdef HAVE_SYS_SCSI_H#include <sys/scsi.h>#include <sys/scsi_buf.h>#include <sys/devinfo.h> /* devinfo. */typedef struct tm_device_type {  int filenum;  int id;  int lun;  char *DeviceName;} *DEVICE_TYPE;    #endif   /* the 'dslib' interface, as used on SGI.  */#if HAVE_DSLIB_H#include <dslib.h>typedef dsreq_t *DEVICE_TYPE; /* 64-bit pointers/32bit int on later sgi? */#endif#if ((defined(__alpha) && defined(__osf__)) || \     defined(ultrix) || defined(__ultrix))#include "du/defs.h"#endif#endif /* VMS protect. *//* Do a test for LITTLE_ENDIAN_BITFIELDS. Use WORDS_BIGENDIAN as set * by configure:  */#if WORDS_BIGENDIAN# define BIG_ENDIAN_BITFIELDS#else# define LITTLE_ENDIAN_BITFIELDS#endif/* Get rid of some Hocky Pux defines: */#ifdef S_NO_SENSE#undef S_NO_SENSE#endif#ifdef S_RECOVERED_ERROR#undef S_RECOVERED_ERROR#endif#ifdef S_NOT_READY#undef S_NOT_READY#endif#ifdef S_MEDIUM_ERROR#undef S_MEDIUM_ERROR#endif#ifdef S_HARDWARE_ERROR#undef S_HARDWARE_ERROR#endif#ifdef S_UNIT_ATTENTION#undef S_UNIT_ATTENTION#endif#ifdef S_BLANK_CHECK#undef S_BLANK_CHECK#endif#ifdef S_VOLUME_OVERFLOW#undef S_VOLUME_OVERFLOW#endif/* Note: These are only used for defaults for when we don't have  * the element assignment mode page to tell us real amount... */#define MAX_STORAGE_ELEMENTS 64 /* for the BIG jukeboxes! */#define MAX_TRANSFER_ELEMENTS 2  /* we just do dual-drive for now :-} */#define MAX_TRANSPORT_ELEMENTS 1 /* we just do one arm for now... *//* These are flags used for the READ_ELEMENT_STATUS and MOVE_MEDIUM * commands: */typedef struct SCSI_Flags_Struct {  unsigned char eepos;  unsigned char invert;  unsigned char no_attached; /* ignore _attached bit */  unsigned char no_barcodes;  /* don't try to get barcodes. */  int numbytes;  int elementtype;  int numelements;  int attached;  int has_barcodes;} SCSI_Flags_T;typedef enum { false, true } boolean;typedef enum { Input, Output } Direction_T;typedef unsigned char CDB_T[12];typedef struct Inquiry{#ifdef LITTLE_ENDIAN_BITFIELDS  unsigned char PeripheralDeviceType:5;			/* Byte 0 Bits 0-4 */  unsigned char PeripheralQualifier:3;			/* Byte 0 Bits 5-7 */  unsigned char DeviceTypeModifier:7;			/* Byte 1 Bits 0-6 */  boolean RMB:1;					/* Byte 1 Bit 7 */  unsigned char ANSI_ApprovedVersion:3;			/* Byte 2 Bits 0-2 */  unsigned char ECMA_Version:3;				/* Byte 2 Bits 3-5 */  unsigned char ISO_Version:2;				/* Byte 2 Bits 6-7 */  unsigned char ResponseDataFormat:4;			/* Byte 3 Bits 0-3 */  unsigned char :2;					/* Byte 3 Bits 4-5 */  boolean TrmIOP:1;					/* Byte 3 Bit 6 */  boolean AENC:1;					/* Byte 3 Bit 7 */#else  unsigned char PeripheralQualifier:3;			/* Byte 0 Bits 5-7 */  unsigned char PeripheralDeviceType:5;			/* Byte 0 Bits 0-4 */  boolean RMB:1;					/* Byte 1 Bit 7 */  unsigned char DeviceTypeModifier:7;			/* Byte 1 Bits 0-6 */  unsigned char ISO_Version:2;				/* Byte 2 Bits 6-7 */  unsigned char ECMA_Version:3;				/* Byte 2 Bits 3-5 */  unsigned char ANSI_ApprovedVersion:3;			/* Byte 2 Bits 0-2 */  boolean AENC:1;					/* Byte 3 Bit 7 */  boolean TrmIOP:1;					/* Byte 3 Bit 6 */  unsigned char :2;					/* Byte 3 Bits 4-5 */  unsigned char ResponseDataFormat:4;			/* Byte 3 Bits 0-3 */#endif  unsigned char AdditionalLength;			/* Byte 4 */  unsigned char :8;					/* Byte 5 */#ifdef LITTLE_ENDIAN_BITFIELDS  boolean ADDR16:1;                                    /* Byte 6 bit 0 */  boolean Obs6_1:1;                                    /* Byte 6 bit 1 */  boolean Obs6_2:1; /* obsolete */                     /* Byte 6 bit 2 */  boolean MChngr:1; /* Media Changer */                /* Byte 6 bit 3 */  boolean MultiP:1;                                    /* Byte 6 bit 4 */  boolean VS:1;                                        /* Byte 6 bit 5 */  boolean EncServ:1;                                   /* Byte 6 bit 6 */  boolean BQue:1;                                      /* Byte 6 bit 7 */#else  boolean BQue:1;                                      /* Byte 6 bit 7 */  boolean EncServ:1;                                   /* Byte 6 bit 6 */  boolean VS:1;                                        /* Byte 6 bit 5 */  boolean MultiP:1;                                    /* Byte 6 bit 4 */  boolean MChngr:1; /* Media Changer */                /* Byte 6 bit 3 */  boolean Obs6_2:1; /* obsolete */                     /* Byte 6 bit 2 */  boolean Obs6_1:1;                                    /* Byte 6 bit 1 */  boolean ADDR16:1;                                    /* Byte 6 bit 0 */#endif#ifdef LITTLE_ENDIAN_BITFIELDS  boolean SftRe:1;					/* Byte 7 Bit 0 */  boolean CmdQue:1;					/* Byte 7 Bit 1 */  boolean :1;						/* Byte 7 Bit 2 */  boolean Linked:1;					/* Byte 7 Bit 3 */  boolean Sync:1;					/* Byte 7 Bit 4 */  boolean WBus16:1;					/* Byte 7 Bit 5 */  boolean WBus32:1;					/* Byte 7 Bit 6 */  boolean RelAdr:1;					/* Byte 7 Bit 7 */#else  boolean RelAdr:1;					/* Byte 7 Bit 7 */  boolean WBus32:1;					/* Byte 7 Bit 6 */  boolean WBus16:1;					/* Byte 7 Bit 5 */  boolean Sync:1;					/* Byte 7 Bit 4 */  boolean Linked:1;					/* Byte 7 Bit 3 */  boolean :1;						/* Byte 7 Bit 2 */  boolean CmdQue:1;					/* Byte 7 Bit 1 */  boolean SftRe:1;					/* Byte 7 Bit 0 */#endif