bsd/sys/mtio.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   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.
  14  *
  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
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  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.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  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_
  65 #define _SYS_MTIO_H_
  66
  67 #include <sys/appleapiopts.h>
  68 #include <sys/cdefs.h>
  69
  70 #ifdef  __APPLE_API_OBSOLETE
  71
  72 /*
  73  * Structures and definitions for mag tape io control commands
  74  */
  75
  76 /* structure for MTIOCTOP - mag tape op command */
  77 /* LP64todo - not 64-bit safe */
  78 struct 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 */
 102 /* LP64todo - not 64-bit safe */
 103 struct 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
 175
 176 #endif  /* __APPLE_API_OBSOLETE */
 177
 178 #endif  /* !_SYS_MTIO_H_ */