projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
1 | /* |
| 2 | * Copyright (c) 1982, 1986 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 33 | * @(#)mtio.h 7.6 (Berkeley) 2/5/91 | |
| 34 | */ | |
| 35 | ||
| 36 | /* | |
| 37 | * Structures and definitions for mag tape io control commands | |
| 38 | */ | |
| 39 | ||
| 40 | /* structure for MTIOCTOP - mag tape op command */ | |
| 41 | struct mtop { | |
| 42 | short mt_op; /* operations defined below */ | |
| 43 | daddr_t mt_count; /* how many of them */ | |
| 44 | }; | |
| 45 | ||
| 46 | /* operations */ | |
| 47 | #define MTWEOF 0 /* write an end-of-file record */ | |
| 48 | #define MTFSF 1 /* forward space file */ | |
| 49 | #define MTBSF 2 /* backward space file */ | |
| 50 | #define MTFSR 3 /* forward space record */ | |
| 51 | #define MTBSR 4 /* backward space record */ | |
| 52 | #define MTREW 5 /* rewind */ | |
| 53 | #define MTOFFL 6 /* rewind and put the drive offline */ | |
| 54 | #define MTNOP 7 /* no operation, sets status only */ | |
| 55 | #define MTCACHE 8 /* enable controller cache */ | |
| 56 | #define MTNOCACHE 9 /* disable controller cache */ | |
| 57 | ||
| 58 | /* structure for MTIOCGET - mag tape get status command */ | |
| 59 | ||
| 60 | struct mtget { | |
| 61 | short mt_type; /* type of magtape device */ | |
| 62 | /* the following two registers are grossly device dependent */ | |
| 63 | short mt_dsreg; /* ``drive status'' register */ | |
| 64 | short mt_erreg; /* ``error'' register */ | |
| 65 | /* end device-dependent registers */ | |
| 66 | short mt_resid; /* residual count */ | |
| 67 | /* the following two are not yet implemented */ | |
| 68 | daddr_t mt_fileno; /* file number of current position */ | |
| 69 | daddr_t mt_blkno; /* block number of current position */ | |
| 70 | /* end not yet implemented */ | |
| 71 | }; | |
| 72 | ||
| 73 | /* | |
| 74 | * Constants for mt_type byte. These are the same | |
| 75 | * for controllers compatible with the types listed. | |
| 76 | */ | |
| 77 | #define MT_ISTS 0x01 /* TS-11 */ | |
| 78 | #define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */ | |
| 79 | #define MT_ISTM 0x03 /* TM11/TE10 Unibus */ | |
| 80 | #define MT_ISMT 0x04 /* TM78/TU78 Massbus */ | |
| 81 | #define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */ | |
| 82 | #define MT_ISCPC 0x06 /* SUN */ | |
| 83 | #define MT_ISAR 0x07 /* SUN */ | |
| 84 | #define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */ | |
| 85 | #define MT_ISCY 0x09 /* CCI Cipher */ | |
| 86 | #define MT_ISCT 0x0a /* HP 1/4 tape */ | |
| 87 | #define MT_ISFHP 0x0b /* HP 7980 1/2 tape */ | |
| 88 | #define MT_ISEXABYTE 0x0c /* Exabyte */ | |
| 89 | #define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */ | |
| 90 | #define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */ | |
| 91 | #define MT_ISVIPER1 0x0e /* Archive Viper-150 */ | |
| 92 | #define MT_ISPYTHON 0x0f /* Archive Python (DAT) */ | |
| 93 | #define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */ | |
| 94 | ||
| 95 | /* mag tape io control commands */ | |
| 96 | #define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */ | |
| 97 | #define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */ | |
| 98 | #define MTIOCIEOT _IO('m', 3) /* ignore EOT error */ | |
| 99 | #define MTIOCEEOT _IO('m', 4) /* enable EOT error */ | |
| 100 | ||
| 101 | #ifndef KERNEL | |
| 102 | #define DEFTAPE "/dev/rmt12" | |
| 103 | #endif | |
| 104 | ||
| 105 | #ifdef KERNEL | |
| 106 | /* | |
| 107 | * minor device number | |
| 108 | */ | |
| 109 | ||
| 110 | #define T_UNIT 003 /* unit selection */ | |
| 111 | #define T_NOREWIND 004 /* no rewind on close */ | |
| 112 | #define T_DENSEL 030 /* density select */ | |
| 113 | #define T_800BPI 000 /* select 800 bpi */ | |
| 114 | #define T_1600BPI 010 /* select 1600 bpi */ | |
| 115 | #define T_6250BPI 020 /* select 6250 bpi */ | |
| 116 | #define T_BADBPI 030 /* undefined selection */ | |
| 117 | #endif |