104 lines
4.2 KiB
C
104 lines
4.2 KiB
C
/* @(#)mtio.h 1.1 92/07/30 SMI */
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/*
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* Copyright (c) 1988 by Sun Microsystems, Inc.
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*/
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/*
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* From mtio.h for 3.5.2
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* Structures and definitions for mag tape io control commands
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*/
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/* structure for MTIOCTOP - mag tape op command */
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struct mtop {
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short mt_op; /* operations defined below */
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daddr_t mt_count; /* how many of them */
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};
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/* operations */
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#define MTWEOF 0 /* write an end-of-file record */
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#define MTFSF 1 /* forward space file */
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#define MTBSF 2 /* backward space file */
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#define MTFSR 3 /* forward space record */
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#define MTBSR 4 /* backward space record */
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#define MTREW 5 /* rewind */
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#define MTOFFL 6 /* rewind and put the drive offline */
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#define MTNOP 7 /* no operation, sets status only */
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#define MTRETEN 8 /* retension the tape */
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#define MTERASE 9 /* erase the entire tape */
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#define MTEOM 10 /* position to end of media (SCSI only) */
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/* structure for MTIOCGET - mag tape get status command */
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struct mtget {
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short mt_type; /* type of magtape device */
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/* the following two registers are grossly device dependent */
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short mt_dsreg; /* ``drive status'' register */
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short mt_erreg; /* ``error'' register */
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/* end device-dependent registers */
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short mt_resid; /* residual count */
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/* the following two are not yet implemented */
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daddr_t mt_fileno; /* file number of current position */
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daddr_t mt_blkno; /* block number of current position */
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/* end not yet implemented */
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};
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/*
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* Constants for mt_type byte
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*/
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#define MT_ISTS 0x01 /* vax: unibus ts-11 */
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#define MT_ISHT 0x02 /* vax: massbus tu77, etc */
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#define MT_ISTM 0x03 /* vax: unibus tm-11 */
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#define MT_ISMT 0x04 /* vax: massbus tu78 */
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#define MT_ISUT 0x05 /* vax: unibus gcr */
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#define MT_ISCPC 0x06 /* sun: multibus cpc */
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#define MT_ISAR 0x07 /* sun: multibus archive */
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#define MT_ISSC 0x08 /* sun: SCSI archive */
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#define MT_ISXY 0x09 /* sun: Xylogics 472 */
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#define MT_ISSYSGEN11 0x10 /* sun: SCSI Sysgen, QIC-11 only */
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#define MT_ISSYSGEN 0x11 /* sun: SCSI Sysgen QIC-24/11 */
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#define MT_ISDEFAULT 0x12 /* sun: SCSI default CCS */
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#define MT_ISCCS3 0x13 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISMT02 0x14 /* sun: SCSI Emulex MT02 */
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#define MT_ISVIPER1 0x15 /* sun: SCSI Archive QIC-150 Viper */
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#define MT_ISWANGTEK1 0x16 /* sun: SCSI Wangtek QIC-150 */
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#define MT_ISCCS7 0x17 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS8 0x18 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS9 0x19 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS11 0x1a /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS12 0x1b /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS13 0x1c /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS14 0x1d /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS15 0x1e /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS16 0x1f /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCDC 0x20 /* sun: SCSI CDC 1/2" cartridge */
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#define MT_ISFUJI 0x21 /* sun: SCSI Fujitsu 1/2" cartridge */
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#define MT_ISKENNEDY 0x22 /* sun: SCSI Kennedy 1/2" reel */
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#define MT_ISHP 0x23 /* sun: SCSI HP 1/2" reel */
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#define MT_ISCCS21 0x24 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS22 0x25 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS23 0x26 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS24 0x27 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISEXABYTE 0x28 /* sun: SCSI Exabyte 8mm cartridge */
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#define MT_ISCCS26 0x29 /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS27 0x2a /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS28 0x2b /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS29 0x2c /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS30 0x2d /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS31 0x2e /* sun: SCSI generic (unknown) CCS */
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#define MT_ISCCS32 0x2f /* sun: SCSI generic (unknown) CCS */
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/*
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* Constants for mt_type byte
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*/
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#define MT_ISSCSI_LO MT_ISSYSGEN11 /* first SCSI tape device */
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#define MT_ISSCSI_HI MT_ISCCS32 /* last SCSI tape device */
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/* mag tape io control commands */
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#define MTIOCTOP _IOW(m, 1, struct mtop) /* do a mag tape op */
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#define MTIOCGET _IOR(m, 2, struct mtget) /* get tape status */
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#ifndef KERNEL
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#define DEFTAPE "/dev/rmt12"
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#endif
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