]> git.saurik.com Git - apple/xnu.git/blame - bsd/sys/mtio.h
xnu-1228.9.59.tar.gz
[apple/xnu.git] / bsd / sys / mtio.h
CommitLineData
1c79356b 1/*
5d5c5d0d
A
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
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.
8f6c56a5 14 *
2d21ac55
A
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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A
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_
9bccf70c
A
65#define _SYS_MTIO_H_
66
67#include <sys/appleapiopts.h>
91447636 68#include <sys/cdefs.h>
9bccf70c
A
69
70#ifdef __APPLE_API_OBSOLETE
1c79356b
A
71
72/*
73 * Structures and definitions for mag tape io control commands
74 */
75
76/* structure for MTIOCTOP - mag tape op command */
91447636 77/* LP64todo - not 64-bit safe */
1c79356b
A
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 */
91447636 102/* LP64todo - not 64-bit safe */
1c79356b
A
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
9bccf70c
A
175
176#endif /* __APPLE_API_OBSOLETE */
177
1c79356b 178#endif /* !_SYS_MTIO_H_ */