all.h

使用libscsi做的一系列cdrom操作工具程序。包含cdwrite,cdflush,cdda三个程序

#ifndef HAD_SC_ALL_H
#define HAD_SC_ALL_H

/*
  all.h -- functions for devices of all types
  Copyright (C) 1996 Dieter Baron and Armin Obersteiner

  This file is part of libscsi, a library for direct scsi device access
  The authors can be contacted at
	<[e-mail]>
	<[e-mail]>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <scsi/scsi.h>



struct sc_inquiry {
#if SC_BIGENDIAN
    u_char type_qual:3, type:5;
    u_char removable:1, type_mod:7;
    u_char iso_ver:2, ecma_ver:3, ansi_ver:3;
    u_char aenc:1, trmiop:1, :2, format:3;
    u_char reladr:1, wbus32:1, wbus16:1, sync:1, linked:1, :1,
	cmdque:1, sftre:1;
#else
    u_char type:5, type_qual:3;
    u_char type_mod:7, removable:1;
    u_char ansi_ver:3, ecma_ver:3, iso_ver:2;
    u_char format:3, :2, trmiop:1, aenc:1;
    u_char sftre:1, cmdque:1, :1, linked:1, sync:1, wbus16:1,
	wbus32:1, reladr:1;
#endif
    char *vendor, *product, *revision;
    u_char *vspec1, *vspec2;
    int vlen1, vlen2;
};



/* mode header */

struct sc_mode_header6 {
    u_char length;	/* mode data length		*/
    u_char mtype;	/* medium type			*/
    u_char dspec;	/* device-specivic parameter	*/
    u_char bdno;	/* block descriptor length	*/
};

struct sc_mode_header10 {
    u_short length;	/* mode data length		*/
    u_char mtype;	/* medium type			*/
    u_char dspec;	/* device-specivic parameter	*/
    u_char r4[2];
    u_short bdno;	/* block descriptor length	*/
};

struct sc_mode_block_descriptor {
    u_char dcode;	/* density code			*/
    u_char nob[3];	/* number of blocks		*/
    u_char r4;
    u_char bl[3];	/* block length			*/
};


/* mode pages */

#define SC_MODE_CONTROL	0x0a

struct sc_mode_control {
#if SC_BIGENDIAN
    u_char ps:1, :1, pc:6;
#else
    u_char pc:6, :1, ps:1;
#endif
    u_char length;

#if SC_BIGENDIAN
    u_char :7, rlec:1;
    u_char qam:4, :2, qerr:1, dque:1;
    u_char eeca:1, :4, raenp:1, uaaenp:1, eaenp:1;
#else
    u_char rlec:1, :7;
    u_char dque:1, qerr:1, :2, qam:4;
    u_char eaenp:1, uaaenp:1, raenp:1, :4, eeca:1;
#endif
    u_char r5;
    u_char raenhp[2];
};


#define SC_MODE_DISCONNECT_RECONNECT	0x02

struct sc_mode_disconnect_reconnect {
#if SC_BIGENDIAN
    u_char ps:1, :1, pc:6;
#else
    u_char pc:6, :1, ps:1;
#endif
    u_char length;

    u_char bfr;		/* buffer full ratio		*/
    u_char ber;		/* buffer empty ratio		*/
    u_char bil[2];	/* bus inactivity limit		*/
    u_char dtl[2];	/* disconnect time limit	*/
    u_char ctl[2];	/* connect time limit		*/
    u_char mbs[2];	/* maximum burst size		*/
#if SC_BIGENDIAN
    u_char :6, dtdc:2;
#else
    u_char dtdc:2, :6;
#endif
    u_char r13[3];
};


#define SC_MODE_PERIPHERAL_DEVICE  0x09

struct sc_mode_peripheral_device {
#if SC_BIGENDIAN
    u_char ps:1, :1, pc:6;
#else
    u_char pc:6, :1, ps:1;
#endif
    u_char length;

    u_char interface[2];	/* interface identifier	*/
    u_char r4[4];
    u_char vendor[1];		/* vendor specific	*/
};



int sc_test_unit_ready(SCSI *fd);
int sc_inquiry(SCSI *fd, struct sc_inquiry *page);
int sc_mode_sense6(SCSI *fd, u_char page, int dbd, int pc,
		   u_char len, u_char *data);
int sc_mode_sense10(SCSI *fd, u_char page, int dbd, int pc,
		    u_short len, u_char *data);
int sc_mode_select6(SCSI *fd, int pf, int sp, u_char len, u_char *data);
int sc_mode_select10(SCSI *fd, int pf, int sp, u_short len,
		     u_char *data);
int sc_request_sense(SCSI *fd, u_char len, u_char *data);

#endif /* all.h */