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1c79356b 1/*
8ad349bb 2 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
1c79356b 3 *
8ad349bb 4 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b 5 *
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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
10 * License may not be used to create, or enable the creation or
11 * redistribution of, unlawful or unlicensed copies of an Apple operating
12 * system, or to circumvent, violate, or enable the circumvention or
13 * violation of, any terms of an Apple operating system software license
14 * agreement.
15 *
16 * Please obtain a copy of the License at
17 * http://www.opensource.apple.com/apsl/ and read it before using this
18 * file.
19 *
20 * The Original Code and all software distributed under the License are
21 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
22 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
23 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
25 * Please see the License for the specific language governing rights and
26 * limitations under the License.
27 *
28 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
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29 */
30/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
31/*
32 * Copyright (c) 1982, 1986, 1993
33 * The Regents of the University of California. All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. All advertising materials mentioning features or use of this software
44 * must display the following acknowledgement:
45 * This product includes software developed by the University of
46 * California, Berkeley and its contributors.
47 * 4. Neither the name of the University nor the names of its contributors
48 * may be used to endorse or promote products derived from this software
49 * without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 * @(#)mtio.h 8.1 (Berkeley) 6/2/93
64 */
65
66#ifndef _SYS_MTIO_H_
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67#define _SYS_MTIO_H_
68
69#include <sys/appleapiopts.h>
91447636 70#include <sys/cdefs.h>
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71
72#ifdef __APPLE_API_OBSOLETE
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73
74/*
75 * Structures and definitions for mag tape io control commands
76 */
77
78/* structure for MTIOCTOP - mag tape op command */
91447636 79/* LP64todo - not 64-bit safe */
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80struct mtop {
81 short mt_op; /* operations defined below */
82 daddr_t mt_count; /* how many of them */
83};
84
85/* operations */
86#define MTWEOF 0 /* write an end-of-file record */
87#define MTFSF 1 /* forward space file */
88#define MTBSF 2 /* backward space file */
89#define MTFSR 3 /* forward space record */
90#define MTBSR 4 /* backward space record */
91#define MTREW 5 /* rewind */
92#define MTOFFL 6 /* rewind and put the drive offline */
93#define MTNOP 7 /* no operation, sets status only */
94#define MTRETEN 8 /* retension */
95#define MTERASE 9 /* erase entire tape */
96#define MTEOM 10 /* forward to end of media */
97#define MTNBSF 11 /* backward space to beginning of file */
98#define MTCACHE 12 /* enable controller cache */
99#define MTNOCACHE 13 /* disable controller cache */
100#define MTSETBSIZ 14 /* set block size; 0 for variable */
101#define MTSETDNSTY 15 /* set density code for current mode */
102
103/* structure for MTIOCGET - mag tape get status command */
91447636 104/* LP64todo - not 64-bit safe */
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105struct mtget {
106 short mt_type; /* type of magtape device */
107/* the following two registers are grossly device dependent */
108 u_short mt_dsreg; /* ``drive status'' register. SCSI sense byte 0x02. */
109 u_short mt_erreg; /* ``error'' register. SCSI sense byte 0x0C. */
110 u_short mt_ext_err0; /* SCSI sense bytes 0x13..0x14 */
111 u_short mt_ext_err1; /* SCSI sense bytes 0x15..0x16 */
112/* end device-dependent registers */
113 short mt_resid; /* residual count */
114/* the following two are not yet implemented */
115 daddr_t mt_fileno; /* file number of current position */
116 daddr_t mt_blkno; /* block number of current position */
117/* end not yet implemented */
118 daddr_t mt_blksiz; /* current block size */
119 daddr_t mt_density; /* current density code */
120 daddr_t mt_mblksiz[4]; /* block size for different modes */
121 daddr_t mt_mdensity[4]; /* density codes for different modes */
122};
123
124/*
125 * Constants for mt_type byte. These are the same
126 * for controllers compatible with the types listed.
127 */
128#define MT_ISTS 0x01 /* TS-11 */
129#define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
130#define MT_ISTM 0x03 /* TM11/TE10 Unibus */
131#define MT_ISMT 0x04 /* TM78/TU78 Massbus */
132#define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
133#define MT_ISCPC 0x06 /* SUN */
134#define MT_ISAR 0x07 /* SUN */
135#define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
136#define MT_ISCY 0x09 /* CCI Cipher */
137#define MT_ISCT 0x0a /* HP 1/4 tape */
138#define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
139#define MT_ISEXABYTE 0x0c /* Exabyte */
140#define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
141#define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
142#define MT_ISVIPER1 0x0e /* Archive Viper-150 */
143#define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
144#define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
145#define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */
146#define MT_ISCALIPER 0x12 /* Caliper CP150 */
147#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */
148#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */
149#define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */
150#define MT_ISTK50 0x12 /* DEC SCSI TK50 */
151#define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */
152#define MT_ISGS 0x14 /* Generic SCSI Tape */
153
154/* mag tape io control commands */
155#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
156#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
157#define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
158#define MTIOCEEOT _IO('m', 4) /* enable EOT error */
159
160#ifndef KERNEL
161#define DEFTAPE "/dev/rst0"
162#endif
163
164#ifdef KERNEL
165/*
166 * minor device number
167 */
168
169#define T_UNIT 003 /* unit selection */
170#define T_NOREWIND 004 /* no rewind on close */
171#define T_DENSEL 030 /* density select */
172#define T_800BPI 000 /* select 800 bpi */
173#define T_1600BPI 010 /* select 1600 bpi */
174#define T_6250BPI 020 /* select 6250 bpi */
175#define T_BADBPI 030 /* undefined selection */
176#endif
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177
178#endif /* __APPLE_API_OBSOLETE */
179
1c79356b 180#endif /* !_SYS_MTIO_H_ */