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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
26: /*
27: * Copyright (c) 1982, 1986, 1993
28: * The Regents of the University of California. All rights reserved.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)mtio.h 8.1 (Berkeley) 6/2/93
59: */
60:
61: #ifndef _SYS_MTIO_H_
62: #define _SYS_MTIO_H_
63:
64: /*
65: * Structures and definitions for mag tape io control commands
66: */
67:
68: /* structure for MTIOCTOP - mag tape op command */
69: struct mtop {
70: short mt_op; /* operations defined below */
71: daddr_t mt_count; /* how many of them */
72: };
73:
74: /* operations */
75: #define MTWEOF 0 /* write an end-of-file record */
76: #define MTFSF 1 /* forward space file */
77: #define MTBSF 2 /* backward space file */
78: #define MTFSR 3 /* forward space record */
79: #define MTBSR 4 /* backward space record */
80: #define MTREW 5 /* rewind */
81: #define MTOFFL 6 /* rewind and put the drive offline */
82: #define MTNOP 7 /* no operation, sets status only */
83: #define MTRETEN 8 /* retension */
84: #define MTERASE 9 /* erase entire tape */
85: #define MTEOM 10 /* forward to end of media */
86: #define MTNBSF 11 /* backward space to beginning of file */
87: #define MTCACHE 12 /* enable controller cache */
88: #define MTNOCACHE 13 /* disable controller cache */
89: #define MTSETBSIZ 14 /* set block size; 0 for variable */
90: #define MTSETDNSTY 15 /* set density code for current mode */
91:
92: /* structure for MTIOCGET - mag tape get status command */
93:
94: struct mtget {
95: short mt_type; /* type of magtape device */
96: /* the following two registers are grossly device dependent */
97: u_short mt_dsreg; /* ``drive status'' register. SCSI sense byte 0x02. */
98: u_short mt_erreg; /* ``error'' register. SCSI sense byte 0x0C. */
99: u_short mt_ext_err0; /* SCSI sense bytes 0x13..0x14 */
100: u_short mt_ext_err1; /* SCSI sense bytes 0x15..0x16 */
101: /* end device-dependent registers */
102: short mt_resid; /* residual count */
103: /* the following two are not yet implemented */
104: daddr_t mt_fileno; /* file number of current position */
105: daddr_t mt_blkno; /* block number of current position */
106: /* end not yet implemented */
107: daddr_t mt_blksiz; /* current block size */
108: daddr_t mt_density; /* current density code */
109: daddr_t mt_mblksiz[4]; /* block size for different modes */
110: daddr_t mt_mdensity[4]; /* density codes for different modes */
111: };
112:
113: /*
114: * Constants for mt_type byte. These are the same
115: * for controllers compatible with the types listed.
116: */
117: #define MT_ISTS 0x01 /* TS-11 */
118: #define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
119: #define MT_ISTM 0x03 /* TM11/TE10 Unibus */
120: #define MT_ISMT 0x04 /* TM78/TU78 Massbus */
121: #define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
122: #define MT_ISCPC 0x06 /* SUN */
123: #define MT_ISAR 0x07 /* SUN */
124: #define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
125: #define MT_ISCY 0x09 /* CCI Cipher */
126: #define MT_ISCT 0x0a /* HP 1/4 tape */
127: #define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
128: #define MT_ISEXABYTE 0x0c /* Exabyte */
129: #define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
130: #define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
131: #define MT_ISVIPER1 0x0e /* Archive Viper-150 */
132: #define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
133: #define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
134: #define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */
135: #define MT_ISCALIPER 0x12 /* Caliper CP150 */
136: #define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */
137: #define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */
138: #define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */
139: #define MT_ISTK50 0x12 /* DEC SCSI TK50 */
140: #define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */
141: #define MT_ISGS 0x14 /* Generic SCSI Tape */
142:
143: /* mag tape io control commands */
144: #define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
145: #define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
146: #define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
147: #define MTIOCEEOT _IO('m', 4) /* enable EOT error */
148:
149: #ifndef _KERNEL
150: #define DEFTAPE "/dev/rst0"
151: #endif
152:
153: #ifdef _KERNEL
154: /*
155: * minor device number
156: */
157:
158: #define T_UNIT 003 /* unit selection */
159: #define T_NOREWIND 004 /* no rewind on close */
160: #define T_DENSEL 030 /* density select */
161: #define T_800BPI 000 /* select 800 bpi */
162: #define T_1600BPI 010 /* select 1600 bpi */
163: #define T_6250BPI 020 /* select 6250 bpi */
164: #define T_BADBPI 030 /* undefined selection */
165: #endif
166: #endif /* !_SYS_MTIO_H_ */
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