/* * Copyright (c) 1982, 1986, 1993 * 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 8.1 (Berkeley) 6/2/93 * $Id$ */ #ifndef _SYS_MTIO_H_ #define _SYS_MTIO_H_ #ifndef KERNEL #include #endif #include /* * 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 */ #if defined(__FreeBSD__) /* Set block size for device. If device is a variable size dev */ /* a non zero parameter will change the device to a fixed block size */ /* device with block size set to that of the parameter passed in. */ /* Resetting the block size to 0 will restore the device to a variable */ /* block size device. */ #define MTSETBSIZ 10 /* Set density values for device. They are defined in the SCSI II spec */ /* and range from 0 to 0x17. Sets the value for the opened mode only */ #define MTSETDNSTY 11 #define MTERASE 12 /* erase to EOM */ #define MTEOD 13 /* Space to EOM */ #define MTCOMP 14 /* select compression mode 0=off, 1=def */ #define MTRETENS 15 /* re-tension tape */ #endif /* 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 */ #if defined (__FreeBSD__) daddr_t mt_blksiz; /* presently operating blocksize */ daddr_t mt_density; /* presently operating density */ daddr_t mt_comp; /* presently operating compression */ daddr_t mt_blksiz0; /* blocksize for mode 0 */ daddr_t mt_blksiz1; /* blocksize for mode 1 */ daddr_t mt_blksiz2; /* blocksize for mode 2 */ daddr_t mt_blksiz3; /* blocksize for mode 3 */ daddr_t mt_density0; /* density for mode 0 */ daddr_t mt_density1; /* density for mode 1 */ daddr_t mt_density2; /* density for mode 2 */ daddr_t mt_density3; /* density for mode 3 */ /* the following are not yet implemented */ u_char mt_comp0; /* compression type for mode 0 */ u_char mt_comp1; /* compression type for mode 1 */ u_char mt_comp2; /* compression type for mode 2 */ u_char mt_comp3; /* compression type for mode 3 */ #endif 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 */ #define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */ #define MT_ISTK50 0x12 /* DEC SCSI TK50 */ #define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */ /* 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 "/dev/nrst0" #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 #endif /* !_SYS_MTIO_H_ */