bsd/sys/mtio.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  31 /*
  32  * Copyright (c) 1982, 1986, 1993
  33  *      The Regents of the University of California.  All rights reserved.
  34  *
  35  * Redistribution and use in source and binary forms, with or without
  36  * modification, are permitted provided that the following conditions
  37  * are met:
  38  * 1. Redistributions of source code must retain the above copyright
  39  *    notice, this list of conditions and the following disclaimer.
  40  * 2. Redistributions in binary form must reproduce the above copyright
  41  *    notice, this list of conditions and the following disclaimer in the
  42  *    documentation and/or other materials provided with the distribution.
  43  * 3. All advertising materials mentioning features or use of this software
  44  *    must display the following acknowledgement:
  45  *      This product includes software developed by the University of
  46  *      California, Berkeley and its contributors.
  47  * 4. Neither the name of the University nor the names of its contributors
  48  *    may be used to endorse or promote products derived from this software
  49  *    without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  61  * SUCH DAMAGE.
  62  *
  63  *      @(#)mtio.h      8.1 (Berkeley) 6/2/93
  64  */
  65
  66 #ifndef _SYS_MTIO_H_
  67 #define _SYS_MTIO_H_
  68
  69 #include <sys/appleapiopts.h>
  70 #include <sys/cdefs.h>
  71
  72 #ifdef  __APPLE_API_OBSOLETE
  73
  74 /*
  75  * Structures and definitions for mag tape io control commands
  76  */
  77
  78 /* structure for MTIOCTOP - mag tape op command */
  79 /* LP64todo - not 64-bit safe */
  80 struct mtop {
  81         short   mt_op;          /* operations defined below */
  82         daddr_t mt_count;       /* how many of them */
  83 };
  84
  85 /* operations */
  86 #define MTWEOF          0       /* write an end-of-file record */
  87 #define MTFSF           1       /* forward space file */
  88 #define MTBSF           2       /* backward space file */
  89 #define MTFSR           3       /* forward space record */
  90 #define MTBSR           4       /* backward space record */
  91 #define MTREW           5       /* rewind */
  92 #define MTOFFL          6       /* rewind and put the drive offline */
  93 #define MTNOP           7       /* no operation, sets status only */
  94 #define MTRETEN         8       /* retension */
  95 #define MTERASE         9       /* erase entire tape */
  96 #define MTEOM           10      /* forward to end of media */
  97 #define MTNBSF          11      /* backward space to beginning of file */
  98 #define MTCACHE         12      /* enable controller cache */
  99 #define MTNOCACHE       13      /* disable controller cache */
 100 #define MTSETBSIZ       14      /* set block size; 0 for variable */
 101 #define MTSETDNSTY      15      /* set density code for current mode */
 102
 103 /* structure for MTIOCGET - mag tape get status command */
 104 /* LP64todo - not 64-bit safe */
 105 struct mtget {
 106         short   mt_type;        /* type of magtape device */
 107 /* the following two registers are grossly device dependent */
 108         u_short mt_dsreg;       /* ``drive status'' register. SCSI sense byte 0x02.  */
 109         u_short mt_erreg;       /* ``error'' register. SCSI sense byte 0x0C. */
 110         u_short mt_ext_err0;    /* SCSI sense bytes 0x13..0x14 */
 111         u_short mt_ext_err1;    /* SCSI sense bytes 0x15..0x16 */
 112 /* end device-dependent registers */
 113         short   mt_resid;       /* residual count */
 114 /* the following two are not yet implemented */
 115         daddr_t mt_fileno;      /* file number of current position */
 116         daddr_t mt_blkno;       /* block number of current position */
 117 /* end not yet implemented */
 118         daddr_t mt_blksiz;      /* current block size */
 119         daddr_t mt_density;     /* current density code */
 120         daddr_t mt_mblksiz[4];  /* block size for different modes */
 121         daddr_t mt_mdensity[4]; /* density codes for different modes */
 122 };
 123
 124 /*
 125  * Constants for mt_type byte.  These are the same
 126  * for controllers compatible with the types listed.
 127  */
 128 #define MT_ISTS         0x01            /* TS-11 */
 129 #define MT_ISHT         0x02            /* TM03 Massbus: TE16, TU45, TU77 */
 130 #define MT_ISTM         0x03            /* TM11/TE10 Unibus */
 131 #define MT_ISMT         0x04            /* TM78/TU78 Massbus */
 132 #define MT_ISUT         0x05            /* SI TU-45 emulation on Unibus */
 133 #define MT_ISCPC        0x06            /* SUN */
 134 #define MT_ISAR         0x07            /* SUN */
 135 #define MT_ISTMSCP      0x08            /* DEC TMSCP protocol (TU81, TK50) */
 136 #define MT_ISCY         0x09            /* CCI Cipher */
 137 #define MT_ISCT         0x0a            /* HP 1/4 tape */
 138 #define MT_ISFHP        0x0b            /* HP 7980 1/2 tape */
 139 #define MT_ISEXABYTE    0x0c            /* Exabyte */
 140 #define MT_ISEXA8200    0x0c            /* Exabyte EXB-8200 */
 141 #define MT_ISEXA8500    0x0d            /* Exabyte EXB-8500 */
 142 #define MT_ISVIPER1     0x0e            /* Archive Viper-150 */
 143 #define MT_ISPYTHON     0x0f            /* Archive Python (DAT) */
 144 #define MT_ISHPDAT      0x10            /* HP 35450A DAT drive */
 145 #define MT_ISWANGTEK    0x11            /* WANGTEK 5150ES */
 146 #define MT_ISCALIPER    0x12            /* Caliper CP150 */
 147 #define MT_ISWTEK5099   0x13            /* WANGTEK 5099ES */
 148 #define MT_ISVIPER2525  0x14            /* Archive Viper 2525 */
 149 #define MT_ISMFOUR      0x11            /* M4 Data 1/2 9track drive */
 150 #define MT_ISTK50       0x12            /* DEC SCSI TK50 */
 151 #define MT_ISMT02       0x13            /* Emulex MT02 SCSI tape controller */
 152 #define MT_ISGS         0x14            /* Generic SCSI Tape */
 153
 154 /* mag tape io control commands */
 155 #define MTIOCTOP        _IOW('m', 1, struct mtop)       /* do a mag tape op */
 156 #define MTIOCGET        _IOR('m', 2, struct mtget)      /* get tape status */
 157 #define MTIOCIEOT       _IO('m', 3)                     /* ignore EOT error */
 158 #define MTIOCEEOT       _IO('m', 4)                     /* enable EOT error */
 159
 160 #ifndef KERNEL
 161 #define DEFTAPE "/dev/rst0"
 162 #endif
 163
 164 #ifdef  KERNEL
 165 /*
 166  * minor device number
 167  */
 168
 169 #define T_UNIT          003             /* unit selection */
 170 #define T_NOREWIND      004             /* no rewind on close */
 171 #define T_DENSEL        030             /* density select */
 172 #define T_800BPI        000             /* select  800 bpi */
 173 #define T_1600BPI       010             /* select 1600 bpi */
 174 #define T_6250BPI       020             /* select 6250 bpi */
 175 #define T_BADBPI        030             /* undefined selection */
 176 #endif
 177
 178 #endif  /* __APPLE_API_OBSOLETE */
 179
 180 #endif  /* !_SYS_MTIO_H_ */