124 lines
4.8 KiB
C
124 lines
4.8 KiB
C
/*
|
|
* Copyright (c) 1982, 1986 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)mtio.h 7.6 (Berkeley) 2/5/91
|
|
* $Id: mtio.h,v 1.3 1993/05/20 16:22:46 cgd Exp $
|
|
*/
|
|
|
|
#ifndef _SYS_MTIO_H_
|
|
#define _SYS_MTIO_H_
|
|
|
|
/*
|
|
* Structures and definitions for mag tape io control commands
|
|
*/
|
|
|
|
/* structure for MTIOCTOP - mag tape op command */
|
|
struct mtop {
|
|
short mt_op; /* operations defined below */
|
|
daddr_t mt_count; /* how many of them */
|
|
};
|
|
|
|
/* operations */
|
|
#define MTWEOF 0 /* write an end-of-file record */
|
|
#define MTFSF 1 /* forward space file */
|
|
#define MTBSF 2 /* backward space file */
|
|
#define MTFSR 3 /* forward space record */
|
|
#define MTBSR 4 /* backward space record */
|
|
#define MTREW 5 /* rewind */
|
|
#define MTOFFL 6 /* rewind and put the drive offline */
|
|
#define MTNOP 7 /* no operation, sets status only */
|
|
#define MTCACHE 8 /* enable controller cache */
|
|
#define MTNOCACHE 9 /* disable controller cache */
|
|
|
|
/* structure for MTIOCGET - mag tape get status command */
|
|
|
|
struct mtget {
|
|
short mt_type; /* type of magtape device */
|
|
/* the following two registers are grossly device dependent */
|
|
short mt_dsreg; /* ``drive status'' register */
|
|
short mt_erreg; /* ``error'' register */
|
|
/* end device-dependent registers */
|
|
short mt_resid; /* residual count */
|
|
/* the following two are not yet implemented */
|
|
daddr_t mt_fileno; /* file number of current position */
|
|
daddr_t mt_blkno; /* block number of current position */
|
|
/* end not yet implemented */
|
|
};
|
|
|
|
/*
|
|
* Constants for mt_type byte. These are the same
|
|
* for controllers compatible with the types listed.
|
|
*/
|
|
#define MT_ISTS 0x01 /* TS-11 */
|
|
#define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
|
|
#define MT_ISTM 0x03 /* TM11/TE10 Unibus */
|
|
#define MT_ISMT 0x04 /* TM78/TU78 Massbus */
|
|
#define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
|
|
#define MT_ISCPC 0x06 /* SUN */
|
|
#define MT_ISAR 0x07 /* SUN */
|
|
#define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
|
|
#define MT_ISCY 0x09 /* CCI Cipher */
|
|
#define MT_ISCT 0x0a /* HP 1/4 tape */
|
|
#define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
|
|
#define MT_ISEXABYTE 0x0c /* Exabyte */
|
|
#define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
|
|
#define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
|
|
#define MT_ISVIPER1 0x0e /* Archive Viper-150 */
|
|
#define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
|
|
#define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
|
|
|
|
/* mag tape io control commands */
|
|
#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
|
|
#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
|
|
#define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
|
|
#define MTIOCEEOT _IO('m', 4) /* enable EOT error */
|
|
|
|
#ifndef KERNEL
|
|
#define DEFTAPE "/dev/rmt12"
|
|
#endif
|
|
|
|
#ifdef KERNEL
|
|
/*
|
|
* minor device number
|
|
*/
|
|
|
|
#define T_UNIT 003 /* unit selection */
|
|
#define T_NOREWIND 004 /* no rewind on close */
|
|
#define T_DENSEL 030 /* density select */
|
|
#define T_800BPI 000 /* select 800 bpi */
|
|
#define T_1600BPI 010 /* select 1600 bpi */
|
|
#define T_6250BPI 020 /* select 6250 bpi */
|
|
#define T_BADBPI 030 /* undefined selection */
|
|
#endif
|
|
|
|
#endif /* !_SYS_MTIO_H_ */
|