1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* $OpenBSD: mtio.h,v 1.9 2007/06/01 18:44:48 krw Exp $ */
/* $NetBSD: mtio.h,v 1.14 1997/04/15 06:50:19 lukem Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* 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. 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.
*
* @(#)mtio.h 8.1 (Berkeley) 6/2/93
*/
#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 */
int 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 MTRETEN 8 /* retension */
#define MTERASE 9 /* erase entire tape */
#define MTEOM 10 /* forward to end of media */
#define MTNBSF 11 /* backward space to beginning of file */
#define MTCACHE 12 /* enable controller cache */
#define MTNOCACHE 13 /* disable controller cache */
#define MTSETBSIZ 14 /* set block size; 0 for variable */
#define MTSETDNSTY 15 /* set density code for current mode */
/* 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 */
int mt_fileno; /* current file number relative to BOT. */
int mt_blkno; /* current block number relative to BOF. */
int mt_blksiz; /* current block size */
int mt_density; /* current density code */
int mt_mblksiz; /* default block size */
int mt_mdensity; /* default density code */
};
/*
* 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 */
#define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */
#define MT_ISCALIPER 0x12 /* Caliper CP150 */
#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */
#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */
#define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */
#define MT_ISTK50 0x12 /* DEC SCSI TK50 */
#define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */
/* bits defined for the mt_dsreg field */
#define MT_DS_RDONLY 0x10 /* tape mounted readonly */
#define MT_DS_MOUNTED 0x03 /* tape mounted (for control opens) */
/* 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 */
/*
* When more SCSI-3 SSC (streaming device) devices are out there
* that support the full 32 byte type 2 structure, we'll have to
* rethink these ioctls to support all the entities they haul into
* the picture (64 bit blocks, logical file record numbers, etc..).
*/
#define MTIOCRDSPOS _IOR('m', 5, u_int32_t) /* get logical blk addr */
#define MTIOCRDHPOS _IOR('m', 6, u_int32_t) /* get hardware blk addr */
#define MTIOCSLOCATE _IOW('m', 5, u_int32_t) /* seek to logical blk addr */
#define MTIOCHLOCATE _IOW('m', 6, u_int32_t) /* seek to hardware blk addr */
#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 /* _KERNEL */
#endif /* !_SYS_MTIO_H_ */
|
