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Annotation of kernel/bsd/sys/mtio.h, revision 1.1

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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