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- /*
- * Copyright (c) 1982, 1986 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)mtio.h 7.6 (Berkeley) 2/5/91
- */
-
- /*
- * Structures and definitions for mag tape io control commands
- */
-
- /* structure for MTIOCTOP - mag tape op command */
- struct mtop {
- short mt_op; /* operations defined below */
- daddr_t mt_count; /* how many of them */
- };
-
- /* operations */
- #define MTWEOF 0 /* write an end-of-file record */
- #define MTFSF 1 /* forward space file */
- #define MTBSF 2 /* backward space file */
- #define MTFSR 3 /* forward space record */
- #define MTBSR 4 /* backward space record */
- #define MTREW 5 /* rewind */
- #define MTOFFL 6 /* rewind and put the drive offline */
- #define MTNOP 7 /* no operation, sets status only */
- #define MTCACHE 8 /* enable controller cache */
- #define MTNOCACHE 9 /* disable controller cache */
-
- /* structure for MTIOCGET - mag tape get status command */
-
- struct mtget {
- short mt_type; /* type of magtape device */
- /* the following two registers are grossly device dependent */
- short mt_dsreg; /* ``drive status'' register */
- short mt_erreg; /* ``error'' register */
- /* end device-dependent registers */
- short mt_resid; /* residual count */
- /* the following two are not yet implemented */
- daddr_t mt_fileno; /* file number of current position */
- daddr_t mt_blkno; /* block number of current position */
- /* end not yet implemented */
- };
-
- /*
- * Constants for mt_type byte. These are the same
- * for controllers compatible with the types listed.
- */
- #define MT_ISTS 0x01 /* TS-11 */
- #define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
- #define MT_ISTM 0x03 /* TM11/TE10 Unibus */
- #define MT_ISMT 0x04 /* TM78/TU78 Massbus */
- #define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
- #define MT_ISCPC 0x06 /* SUN */
- #define MT_ISAR 0x07 /* SUN */
- #define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
- #define MT_ISCY 0x09 /* CCI Cipher */
- #define MT_ISCT 0x0a /* HP 1/4 tape */
- #define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
- #define MT_ISEXABYTE 0x0c /* Exabyte */
- #define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
- #define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
- #define MT_ISVIPER1 0x0e /* Archive Viper-150 */
- #define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
- #define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
-
- /* mag tape io control commands */
- #define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
- #define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
- #define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
- #define MTIOCEEOT _IO('m', 4) /* enable EOT error */
-
- #ifndef KERNEL
- #define DEFTAPE "tape:"
- #endif
-
- #ifdef KERNEL
- /*
- * minor device number
- */
-
- #define T_UNIT 003 /* unit selection */
- #define T_NOREWIND 004 /* no rewind on close */
- #define T_DENSEL 030 /* density select */
- #define T_800BPI 000 /* select 800 bpi */
- #define T_1600BPI 010 /* select 1600 bpi */
- #define T_6250BPI 020 /* select 6250 bpi */
- #define T_BADBPI 030 /* undefined selection */
- #endif
-