1/*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
29/*
30 * Copyright (c) 1982, 1986, 1993
31 *	The Regents of the University of California.  All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 *    notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 *    notice, this list of conditions and the following disclaimer in the
40 *    documentation and/or other materials provided with the distribution.
41 * 3. All advertising materials mentioning features or use of this software
42 *    must display the following acknowledgement:
43 *	This product includes software developed by the University of
44 *	California, Berkeley and its contributors.
45 * 4. Neither the name of the University nor the names of its contributors
46 *    may be used to endorse or promote products derived from this software
47 *    without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 *	@(#)mtio.h	8.1 (Berkeley) 6/2/93
62 */
63
64#ifndef	_SYS_MTIO_H_
65#define	_SYS_MTIO_H_
66
67#include <sys/appleapiopts.h>
68#include <sys/cdefs.h>
69
70#ifdef	__APPLE_API_OBSOLETE
71
72/*
73 * Structures and definitions for mag tape io control commands
74 */
75
76/* structure for MTIOCTOP - mag tape op command */
77/* LP64todo - not 64-bit safe */
78struct mtop {
79	short	mt_op;		/* operations defined below */
80	daddr_t	mt_count;	/* how many of them */
81};
82
83/* operations */
84#define MTWEOF		0	/* write an end-of-file record */
85#define MTFSF		1	/* forward space file */
86#define MTBSF		2	/* backward space file */
87#define MTFSR		3	/* forward space record */
88#define MTBSR		4	/* backward space record */
89#define MTREW		5	/* rewind */
90#define MTOFFL		6	/* rewind and put the drive offline */
91#define MTNOP		7	/* no operation, sets status only */
92#define MTRETEN		8	/* retension */
93#define MTERASE		9	/* erase entire tape */
94#define MTEOM		10	/* forward to end of media */
95#define MTNBSF		11	/* backward space to beginning of file */
96#define MTCACHE		12	/* enable controller cache */
97#define MTNOCACHE	13	/* disable controller cache */
98#define MTSETBSIZ	14	/* set block size; 0 for variable */
99#define MTSETDNSTY	15	/* set density code for current mode */
100
101/* structure for MTIOCGET - mag tape get status command */
102/* LP64todo - not 64-bit safe */
103struct mtget {
104	short	mt_type;	/* type of magtape device */
105/* the following two registers are grossly device dependent */
106	u_short	mt_dsreg;	/* ``drive status'' register. SCSI sense byte 0x02.  */
107	u_short	mt_erreg;	/* ``error'' register. SCSI sense byte 0x0C. */
108	u_short mt_ext_err0;	/* SCSI sense bytes 0x13..0x14 */
109	u_short mt_ext_err1;	/* SCSI sense bytes 0x15..0x16 */
110/* end device-dependent registers */
111	short	mt_resid;	/* residual count */
112/* the following two are not yet implemented */
113	daddr_t	mt_fileno;	/* file number of current position */
114	daddr_t	mt_blkno;	/* block number of current position */
115/* end not yet implemented */
116	daddr_t	mt_blksiz;	/* current block size */
117	daddr_t	mt_density;	/* current density code */
118	daddr_t	mt_mblksiz[4];	/* block size for different modes */
119	daddr_t mt_mdensity[4];	/* density codes for different modes */
120};
121
122/*
123 * Constants for mt_type byte.  These are the same
124 * for controllers compatible with the types listed.
125 */
126#define	MT_ISTS		0x01		/* TS-11 */
127#define	MT_ISHT		0x02		/* TM03 Massbus: TE16, TU45, TU77 */
128#define	MT_ISTM		0x03		/* TM11/TE10 Unibus */
129#define	MT_ISMT		0x04		/* TM78/TU78 Massbus */
130#define	MT_ISUT		0x05		/* SI TU-45 emulation on Unibus */
131#define	MT_ISCPC	0x06		/* SUN */
132#define	MT_ISAR		0x07		/* SUN */
133#define	MT_ISTMSCP	0x08		/* DEC TMSCP protocol (TU81, TK50) */
134#define MT_ISCY		0x09		/* CCI Cipher */
135#define MT_ISCT		0x0a		/* HP 1/4 tape */
136#define MT_ISFHP	0x0b		/* HP 7980 1/2 tape */
137#define MT_ISEXABYTE	0x0c		/* Exabyte */
138#define MT_ISEXA8200	0x0c		/* Exabyte EXB-8200 */
139#define MT_ISEXA8500	0x0d		/* Exabyte EXB-8500 */
140#define MT_ISVIPER1	0x0e		/* Archive Viper-150 */
141#define MT_ISPYTHON	0x0f		/* Archive Python (DAT) */
142#define MT_ISHPDAT	0x10		/* HP 35450A DAT drive */
143#define MT_ISWANGTEK	0x11		/* WANGTEK 5150ES */
144#define MT_ISCALIPER	0x12		/* Caliper CP150 */
145#define MT_ISWTEK5099	0x13		/* WANGTEK 5099ES */
146#define MT_ISVIPER2525	0x14		/* Archive Viper 2525 */
147#define MT_ISMFOUR	0x11		/* M4 Data 1/2 9track drive */
148#define MT_ISTK50	0x12		/* DEC SCSI TK50 */
149#define MT_ISMT02	0x13		/* Emulex MT02 SCSI tape controller */
150#define MT_ISGS		0x14		/* Generic SCSI Tape */
151
152/* mag tape io control commands */
153#define	MTIOCTOP	_IOW('m', 1, struct mtop)	/* do a mag tape op */
154#define	MTIOCGET	_IOR('m', 2, struct mtget)	/* get tape status */
155#define MTIOCIEOT	_IO('m', 3)			/* ignore EOT error */
156#define MTIOCEEOT	_IO('m', 4)			/* enable EOT error */
157
158#ifndef KERNEL
159#define	DEFTAPE	"/dev/rst0"
160#endif
161
162#ifdef	KERNEL
163/*
164 * minor device number
165 */
166
167#define	T_UNIT		003		/* unit selection */
168#define	T_NOREWIND	004		/* no rewind on close */
169#define	T_DENSEL	030		/* density select */
170#define	T_800BPI	000		/* select  800 bpi */
171#define	T_1600BPI	010		/* select 1600 bpi */
172#define	T_6250BPI	020		/* select 6250 bpi */
173#define	T_BADBPI	030		/* undefined selection */
174#endif
175
176#endif	/* __APPLE_API_OBSOLETE */
177
178#endif	/* !_SYS_MTIO_H_ */
179