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/* @(#)rmtio.h 1.5 03/06/15 Copyright 1995,2000 J. Schilling */
/*
* Definition for enhanced remote tape IO
*
* Copyright (c) 1995,2000-2002 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _RMTIO_H
#define _RMTIO_H
#ifndef _MCONFIG_H
#include <mconfig.h>
#endif
#ifndef _UTYPES_H
#include <utypes.h>
#endif
/*
* values for mt_op
*/
#define RMTWEOF 0 /* write an end-of-file record */
#define RMTFSF 1 /* forward space over file mark */
#define RMTBSF 2 /* backward space over file mark (1/2" only ) */
#define RMTFSR 3 /* forward space to inter-record gap */
#define RMTBSR 4 /* backward space to inter-record gap */
#define RMTREW 5 /* rewind */
#define RMTOFFL 6 /* rewind and put the drive offline */
#define RMTNOP 7 /* no operation, sets status only */
#ifdef __needed__
#define MTRETEN 8 /* retension the tape (cartridge tape only) */
#define MTERASE 9 /* erase the entire tape */
#define MTEOM 10 /* position to end of media */
#define MTNBSF 11 /* backward space file to BOF */
#define MTSRSZ 12 /* set record size */
#define MTGRSZ 13 /* get record size */
#define MTLOAD 14 /* for loading a tape (use o_delay to open */
/* the tape device) */
#endif
/*
* Definitions for the new RMT Protocol version 1
*
* The new Protocol version tries to make the use
* of rmtioctl() more portable between different platforms.
*/
#define RMTIVERSION -1 /* Opcode to request version */
#define RMT_NOVERSION -1 /* Old version code */
#define RMT_VERSION 1 /* New (current) version code */
/*
* Support for commands bejond MTWEOF..MTNOP (0..7)
*/
#define RMTICACHE 0 /* enable controller cache */
#define RMTINOCACHE 1 /* disable controller cache */
#define RMTIRETEN 2 /* retension the tape (cartridge tape only) */
#define RMTIERASE 3 /* erase the entire tape */
#define RMTIEOM 4 /* position to end of media */
#define RMTINBSF 5 /* backward space file to BOF */
/*
* Old MTIOCGET copies a binary version of struct mtget back
* over the wire. This is highly non portable.
* MTS_* retrieves ascii versions (%d format) of a single
* field in the struct mtget.
* NOTE: MTS_ERREG may only be valid on the first call and
* must be retrived first.
*/
#define MTS_TYPE 'T' /* mtget.mt_type */
#define MTS_DSREG 'D' /* mtget.mt_dsreg */
#define MTS_ERREG 'E' /* mtget.mt_erreg */
#define MTS_RESID 'R' /* mtget.mt_resid */
#define MTS_FILENO 'F' /* mtget.mt_fileno */
#define MTS_BLKNO 'B' /* mtget.mt_blkno */
#define MTS_FLAGS 'f' /* mtget.mt_flags */
#define MTS_BF 'b' /* mtget.mt_bf */
/*
* structure for remote MTIOCGET - mag tape get status command
*/
struct rmtget {
Llong mt_type; /* type of magtape device */
/* the following two registers are grossly device dependent */
Llong mt_dsreg; /* ``drive status'' register */
Int32_t mt_dsreg1; /* ``drive status'' register */
Int32_t mt_dsreg2; /* ``drive status'' register */
Llong mt_gstat; /* ``generic status'' register */
Llong mt_erreg; /* ``error'' register */
/* optional error info. */
Llong mt_resid; /* residual count */
Llong mt_fileno; /* file number of current position */
Llong mt_blkno; /* block number of current position */
Llong mt_flags;
Llong mt_gflags; /* generic flags */
long mt_bf; /* optimum blocking factor */
int mt_xflags; /* eXistence flags for struct members */
};
/*
* Values for mt_xflags
*/
#define RMT_TYPE 0x0001 /* mt_type/mt_model present */
#define RMT_DSREG 0x0002 /* mt_dsreg present */
#define RMT_DSREG1 0x0004 /* mt_dsreg1 present */
#define RMT_DSREG2 0x0008 /* mt_dsreg2 present */
#define RMT_GSTAT 0x0010 /* mt_gstat present */
#define RMT_ERREG 0x0020 /* mt_erreg present */
#define RMT_RESID 0x0040 /* mt_resid present */
#define RMT_FILENO 0x0080 /* mt_fileno present */
#define RMT_BLKNO 0x0100 /* mt_blkno present */
#define RMT_FLAGS 0x0200 /* mt_flags present */
#define RMT_BF 0x0400 /* mt_bf present */
#define RMT_COMPAT 0x0800 /* Created from old compat data */
/*
* values for mt_flags
*/
#define RMTF_SCSI 0x01
#define RMTF_REEL 0x02
#define RMTF_ASF 0x04
#define RMTF_TAPE_HEAD_DIRTY 0x08
#define RMTF_TAPE_CLN_SUPPORTED 0x10
/*
* these are recommended
*/
#ifdef __needed__
#define MT_ISQIC 0x32 /* generic QIC tape drive */
#define MT_ISREEL 0x33 /* generic reel tape drive */
#define MT_ISDAT 0x34 /* generic DAT tape drive */
#define MT_IS8MM 0x35 /* generic 8mm tape drive */
#define MT_ISOTHER 0x36 /* generic other type of tape drive */
/* more Sun devices */
#define MT_ISTAND25G 0x37 /* sun: SCSI Tandberg 2.5 Gig QIC */
#define MT_ISDLT 0x38 /* sun: SCSI DLT tape drive */
#define MT_ISSTK9840 0x39 /* sun: STK 9840 (Ironsides) */
#endif
#endif /* _RMTIO_H */
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