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newlib/winsup/cygwin/include/cygwin/mtio.h

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/* cygwin/mtio.h
Copyright 1999, 2001 Red Hat, Inc.
Written by Corinna Vinschen <corinna@vinschen.de>
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* cygwin/mtio.h header file for Cygwin.
by C. Vinschen. */
#ifndef _CYGWIN_MTIO_H
#define _CYGWIN_MTIO_H
#include <sys/ioctl.h>
#include <asm/socket.h>
#ifndef DEFTAPE
#define DEFTAPE "/dev/tape"
#endif
/*
* 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 */
};
/* Magnetic Tape operations [Not all operations supported by all drivers]: */
#define MTRESET 0 /* +reset drive in case of problems */
#define MTFSF 1 /* forward space over FileMark,
* position at first record of next file
*/
#define MTBSF 2 /* backward space FileMark (position before FM) */
#define MTFSR 3 /* forward space record */
#define MTBSR 4 /* backward space record */
#define MTWEOF 5 /* write an end-of-file record (mark) */
#define MTREW 6 /* rewind */
#define MTOFFL 7 /* rewind and put the drive offline (eject?) */
#define MTNOP 8 /* no op, set status only (read with MTIOCGET) */
#define MTRETEN 9 /* retension tape */
#define MTBSFM 10 /* +backward space FileMark, position at FM */
#define MTFSFM 11 /* +forward space FileMark, position at FM */
#define MTEOM 12 /* goto end of recorded media (for appending files).
* MTEOM positions after the last FM, ready for
* appending another file.
*/
#define MTERASE 13 /* erase tape -- be careful! */
#define MTRAS1 14 /* run self test 1 (nondestructive) */
#define MTRAS2 15 /* run self test 2 (destructive) */
#define MTRAS3 16 /* reserved for self test 3 */
#define MTSETBLK 20 /* set block length (SCSI) */
#define MTSETDENSITY 21 /* set tape density (SCSI) */
#define MTSEEK 22 /* seek to block (Tandberg, etc.) */
#define MTTELL 23 /* tell block (Tandberg, etc.) */
#define MTSETDRVBUFFER 24 /* set the drive buffering according to SCSI-2 */
/* ordinary buffered operation with code 1 */
#define MTFSS 25 /* space forward over setmarks */
#define MTBSS 26 /* space backward over setmarks */
#define MTWSM 27 /* write setmarks */
#define MTLOCK 28 /* lock the drive door */
#define MTUNLOCK 29 /* unlock the drive door */
#define MTLOAD 30 /* execute the SCSI load command */
#define MTUNLOAD 31 /* execute the SCSI unload command */
#define MTCOMPRESSION 32/* control compression with SCSI mode page 15 */
#define MTSETPART 33 /* Change the active tape partition */
#define MTMKPART 34 /* Format the tape with one or two partitions */
/* structure for MTIOCGET - mag tape get status command */
struct mtget {
long mt_type; /* type of magtape device
* Cygwin: MT_ISUNKNOWN */
long mt_resid; /* residual count: (not sure)
* number of bytes ignored, or
* number of files not skipped, or
* number of records not skipped.
* Cygwin: remaining KB.
*/
/* the following registers are device dependent */
long mt_dsreg; /* status register, Cygwin returns current
blocksize here. */
long mt_gstat; /* generic (device independent) status */
long mt_erreg; /* error register */
/* The next two fields are not always used */
long mt_fileno; /* number of current file on tape */
long mt_blkno; /* current block number */
/* The next are Windows NT specific */
long long mt_capacity; /* Tape capacity in bytes */
long long mt_remaining; /* Remaining bytes */
int mt_minblksize;
int mt_maxblksize;
int mt_defblksize;
unsigned long mt_featureslow;
unsigned long mt_featureshigh;
unsigned long mt_eotwarningzonesize;
};
/* structure for MTIOCPOS - mag tape get position command */
struct mtpos {
long mt_blkno; /* current block number */
};
/* 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 MTIOCPOS _IOR('m', 3, struct mtpos) /* get tape position */
/* Generic Mag Tape (device independent) status macros for examining
* mt_gstat -- HP-UX compatible.
* There is room for more generic status bits here, but I don't
* know which of them are reserved. At least three or so should
* be added to make this really useful.
*/
#define GMT_EOF(x) ((x) & 0x80000000)
#define GMT_BOT(x) ((x) & 0x40000000)
#define GMT_EOT(x) ((x) & 0x20000000)
#define GMT_SM(x) ((x) & 0x10000000) /* DDS setmark */
#define GMT_EOD(x) ((x) & 0x08000000) /* DDS EOD */
#define GMT_WR_PROT(x) ((x) & 0x04000000)
/* #define GMT_ ? ((x) & 0x02000000) */
#define GMT_ONLINE(x) ((x) & 0x01000000)
#define GMT_D_6250(x) ((x) & 0x00800000)
#define GMT_D_1600(x) ((x) & 0x00400000)
#define GMT_D_800(x) ((x) & 0x00200000)
#define GMT_PADDING(x) ((x) & 0x00100000) /* data padding */
#define GMT_HW_ECC(x) ((x) & 0x00080000) /* HW error correction */
#define GMT_DR_OPEN(x) ((x) & 0x00040000) /* door open (no tape) */
#define GMT_HW_COMP(x) ((x) & 0x00020000) /* HW compression */
#define GMT_IM_REP_EN(x) ((x) & 0x00010000) /* immediate report mode */
/* 16 generic status bits unused */
/* SCSI-tape specific definitions */
/* Bitfield shifts in the status mt_dsreg */
#define MT_ST_BLKSIZE_SHIFT 0
#define MT_ST_BLKSIZE_MASK 0xffffff
#define MT_ST_DENSITY_SHIFT 24
#define MT_ST_DENSITY_MASK 0xff000000
#define MT_ST_SOFTERR_SHIFT 0
#define MT_ST_SOFTERR_MASK 0xffff
/*
* Constants for mt_type. Not all of these are supported,
* and these are not all of the ones that are supported.
*/
#define MT_ISUNKNOWN 0x01
#define MT_ISQIC02 0x02 /* Generic QIC-02 tape streamer */
#define MT_ISWT5150 0x03 /* Wangtek 5150EQ, QIC-150, QIC-02 */
#define MT_ISARCHIVE_5945L2 0x04 /* Archive 5945L-2, QIC-24, QIC-02? */
#define MT_ISCMSJ500 0x05 /* CMS Jumbo 500 (QIC-02?) */
#define MT_ISTDC3610 0x06 /* Tandberg 6310, QIC-24 */
#define MT_ISARCHIVE_VP60I 0x07 /* Archive VP60i, QIC-02 */
#define MT_ISARCHIVE_2150L 0x08 /* Archive Viper 2150L */
#define MT_ISARCHIVE_2060L 0x09 /* Archive Viper 2060L */
#define MT_ISARCHIVESC499 0x0A /* Archive SC-499 QIC-36 controller */
#define MT_ISQIC02_ALL_FEATURES 0x0F /* Generic QIC-02 with all features */
#define MT_ISWT5099EEN24 0x11 /* Wangtek 5099-een24, 60MB, QIC-24 */
#define MT_ISTEAC_MT2ST 0x12 /* Teac MT-2ST 155mb drive, Teac DC-1 card (Wangtek type) */
#define MT_ISEVEREX_FT40A 0x32 /* Everex FT40A (QIC-40) */
#define MT_ISDDS1 0x51 /* DDS device without partitions */
#define MT_ISDDS2 0x52 /* DDS device with partitions */
#define MT_ISSCSI1 0x71 /* Generic ANSI SCSI-1 tape unit */
#define MT_ISSCSI2 0x72 /* Generic ANSI SCSI-2 tape unit */
struct mt_tape_info {
long t_type; /* device type id (mt_type) */
char *t_name; /* descriptive name */
};
#define MT_TAPE_INFO { \
{MT_ISUNKNOWN, "Unknown type of tape device"}, \
{MT_ISQIC02, "Generic QIC-02 tape streamer"}, \
{MT_ISWT5150, "Wangtek 5150, QIC-150"}, \
{MT_ISARCHIVE_5945L2, "Archive 5945L-2"}, \
{MT_ISCMSJ500, "CMS Jumbo 500"}, \
{MT_ISTDC3610, "Tandberg TDC 3610, QIC-24"}, \
{MT_ISARCHIVE_VP60I, "Archive VP60i, QIC-02"}, \
{MT_ISARCHIVE_2150L, "Archive Viper 2150L"}, \
{MT_ISARCHIVE_2060L, "Archive Viper 2060L"}, \
{MT_ISARCHIVESC499, "Archive SC-499 QIC-36 controller"}, \
{MT_ISQIC02_ALL_FEATURES, "Generic QIC-02 tape, all features"}, \
{MT_ISWT5099EEN24, "Wangtek 5099-een24, 60MB"}, \
{MT_ISTEAC_MT2ST, "Teac MT-2ST 155mb data cassette drive"}, \
{MT_ISEVEREX_FT40A, "Everex FT40A, QIC-40"}, \
{MT_ISSCSI1, "Generic SCSI-1 tape"}, \
{MT_ISSCSI2, "Generic SCSI-2 tape"}, \
{0, NULL} \
}
#endif /* _CYGWIN_MTIO_H */
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