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1c79356b 1/*
9bccf70c 2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
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3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
1c79356b 11 *
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12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
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19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23/*
24 * Copyright (c) 1982, 1986, 1993
25 * The Regents of the University of California. All rights reserved.
26 *
27 * Redistribution and use in source and binary forms, with or without
28 * modification, are permitted provided that the following conditions
29 * are met:
30 * 1. Redistributions of source code must retain the above copyright
31 * notice, this list of conditions and the following disclaimer.
32 * 2. Redistributions in binary form must reproduce the above copyright
33 * notice, this list of conditions and the following disclaimer in the
34 * documentation and/or other materials provided with the distribution.
35 * 3. All advertising materials mentioning features or use of this software
36 * must display the following acknowledgement:
37 * This product includes software developed by the University of
38 * California, Berkeley and its contributors.
39 * 4. Neither the name of the University nor the names of its contributors
40 * may be used to endorse or promote products derived from this software
41 * without specific prior written permission.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * SUCH DAMAGE.
54 *
55 * @(#)mtio.h 8.1 (Berkeley) 6/2/93
56 */
57
58#ifndef _SYS_MTIO_H_
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59#define _SYS_MTIO_H_
60
61#include <sys/appleapiopts.h>
62
63#ifdef __APPLE_API_OBSOLETE
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64
65/*
66 * Structures and definitions for mag tape io control commands
67 */
68
69/* structure for MTIOCTOP - mag tape op command */
70struct mtop {
71 short mt_op; /* operations defined below */
72 daddr_t mt_count; /* how many of them */
73};
74
75/* operations */
76#define MTWEOF 0 /* write an end-of-file record */
77#define MTFSF 1 /* forward space file */
78#define MTBSF 2 /* backward space file */
79#define MTFSR 3 /* forward space record */
80#define MTBSR 4 /* backward space record */
81#define MTREW 5 /* rewind */
82#define MTOFFL 6 /* rewind and put the drive offline */
83#define MTNOP 7 /* no operation, sets status only */
84#define MTRETEN 8 /* retension */
85#define MTERASE 9 /* erase entire tape */
86#define MTEOM 10 /* forward to end of media */
87#define MTNBSF 11 /* backward space to beginning of file */
88#define MTCACHE 12 /* enable controller cache */
89#define MTNOCACHE 13 /* disable controller cache */
90#define MTSETBSIZ 14 /* set block size; 0 for variable */
91#define MTSETDNSTY 15 /* set density code for current mode */
92
93/* structure for MTIOCGET - mag tape get status command */
94
95struct mtget {
96 short mt_type; /* type of magtape device */
97/* the following two registers are grossly device dependent */
98 u_short mt_dsreg; /* ``drive status'' register. SCSI sense byte 0x02. */
99 u_short mt_erreg; /* ``error'' register. SCSI sense byte 0x0C. */
100 u_short mt_ext_err0; /* SCSI sense bytes 0x13..0x14 */
101 u_short mt_ext_err1; /* SCSI sense bytes 0x15..0x16 */
102/* end device-dependent registers */
103 short mt_resid; /* residual count */
104/* the following two are not yet implemented */
105 daddr_t mt_fileno; /* file number of current position */
106 daddr_t mt_blkno; /* block number of current position */
107/* end not yet implemented */
108 daddr_t mt_blksiz; /* current block size */
109 daddr_t mt_density; /* current density code */
110 daddr_t mt_mblksiz[4]; /* block size for different modes */
111 daddr_t mt_mdensity[4]; /* density codes for different modes */
112};
113
114/*
115 * Constants for mt_type byte. These are the same
116 * for controllers compatible with the types listed.
117 */
118#define MT_ISTS 0x01 /* TS-11 */
119#define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
120#define MT_ISTM 0x03 /* TM11/TE10 Unibus */
121#define MT_ISMT 0x04 /* TM78/TU78 Massbus */
122#define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
123#define MT_ISCPC 0x06 /* SUN */
124#define MT_ISAR 0x07 /* SUN */
125#define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
126#define MT_ISCY 0x09 /* CCI Cipher */
127#define MT_ISCT 0x0a /* HP 1/4 tape */
128#define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
129#define MT_ISEXABYTE 0x0c /* Exabyte */
130#define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
131#define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
132#define MT_ISVIPER1 0x0e /* Archive Viper-150 */
133#define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
134#define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
135#define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */
136#define MT_ISCALIPER 0x12 /* Caliper CP150 */
137#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */
138#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */
139#define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */
140#define MT_ISTK50 0x12 /* DEC SCSI TK50 */
141#define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */
142#define MT_ISGS 0x14 /* Generic SCSI Tape */
143
144/* mag tape io control commands */
145#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
146#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
147#define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
148#define MTIOCEEOT _IO('m', 4) /* enable EOT error */
149
150#ifndef KERNEL
151#define DEFTAPE "/dev/rst0"
152#endif
153
154#ifdef KERNEL
155/*
156 * minor device number
157 */
158
159#define T_UNIT 003 /* unit selection */
160#define T_NOREWIND 004 /* no rewind on close */
161#define T_DENSEL 030 /* density select */
162#define T_800BPI 000 /* select 800 bpi */
163#define T_1600BPI 010 /* select 1600 bpi */
164#define T_6250BPI 020 /* select 6250 bpi */
165#define T_BADBPI 030 /* undefined selection */
166#endif
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167
168#endif /* __APPLE_API_OBSOLETE */
169
1c79356b 170#endif /* !_SYS_MTIO_H_ */