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Diffstat (limited to 'sys/sys/mtio.h')
| -rw-r--r-- | sys/sys/mtio.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sys/sys/mtio.h b/sys/sys/mtio.h new file mode 100644 index 0000000..fa7a32b --- /dev/null +++ b/sys/sys/mtio.h @@ -0,0 +1,147 @@ +/* $OpenBSD: mtio.h,v 1.9 2007/06/01 18:44:48 krw Exp $ */ +/* $NetBSD: mtio.h,v 1.14 1997/04/15 06:50:19 lukem Exp $ */ + +/* + * 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. 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 + */ + +#ifndef _SYS_MTIO_H_ +#define _SYS_MTIO_H_ + +/* + * Structures and definitions for mag tape io control commands + */ + +/* structure for MTIOCTOP - mag tape op command */ +struct mtop { + short mt_op; /* operations defined below */ + int 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 MTRETEN 8 /* retension */ +#define MTERASE 9 /* erase entire tape */ +#define MTEOM 10 /* forward to end of media */ +#define MTNBSF 11 /* backward space to beginning of file */ +#define MTCACHE 12 /* enable controller cache */ +#define MTNOCACHE 13 /* disable controller cache */ +#define MTSETBSIZ 14 /* set block size; 0 for variable */ +#define MTSETDNSTY 15 /* set density code for current mode */ + +/* 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 */ + int mt_fileno; /* current file number relative to BOT. */ + int mt_blkno; /* current block number relative to BOF. */ + int mt_blksiz; /* current block size */ + int mt_density; /* current density code */ + int mt_mblksiz; /* default block size */ + int mt_mdensity; /* default density code */ +}; + +/* + * 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_ISWANGTEK 0x11 /* WANGTEK 5150ES */ +#define MT_ISCALIPER 0x12 /* Caliper CP150 */ +#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */ +#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */ +#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 */ + +/* bits defined for the mt_dsreg field */ +#define MT_DS_RDONLY 0x10 /* tape mounted readonly */ +#define MT_DS_MOUNTED 0x03 /* tape mounted (for control opens) */ + +/* 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 */ + +/* + * When more SCSI-3 SSC (streaming device) devices are out there + * that support the full 32 byte type 2 structure, we'll have to + * rethink these ioctls to support all the entities they haul into + * the picture (64 bit blocks, logical file record numbers, etc..). + */ +#define MTIOCRDSPOS _IOR('m', 5, u_int32_t) /* get logical blk addr */ +#define MTIOCRDHPOS _IOR('m', 6, u_int32_t) /* get hardware blk addr */ +#define MTIOCSLOCATE _IOW('m', 5, u_int32_t) /* seek to logical blk addr */ +#define MTIOCHLOCATE _IOW('m', 6, u_int32_t) /* seek to hardware blk addr */ + +#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 /* _KERNEL */ + +#endif /* !_SYS_MTIO_H_ */ |