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Arquivotheca.Solaris-2.5/uts/common/sys/mtio.h
seta75D 7c4988eac0 Init
2021-10-11 19:38:01 -03:00

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/*
* PROPRIETARY NOTICE (Combined)
*
* This source code is unpublished proprietary information
* constituting, or derived under license from AT&T's Unix(r) System V.
* In addition, portions of such source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*
*
*
* Copyright Notice
*
* Notice of copyright on this source code product does not indicate
* publication.
*
* Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
* Copyright (c) 1995, by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_MTIO_H
#define _SYS_MTIO_H
#pragma ident "@(#)mtio.h 2.33 95/06/28 SMI" /* UCB 4.10 83/01/17 */
#ifdef __cplusplus
extern "C" {
#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 */
daddr_t mt_count; /* how many of them */
};
/*
* values for mt_op
*/
#define MTWEOF 0 /* write an end-of-file record */
#define MTFSF 1 /* forward space over file mark */
#define MTBSF 2 /* backward space over file mark (1/2" only ) */
#define MTFSR 3 /* forward space to inter-record gap */
#define MTBSR 4 /* backward space to inter-record gap */
#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 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) */
/*
* 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 */
/* optional error info. */
daddr_t mt_resid; /* residual count */
daddr_t mt_fileno; /* file number of current position */
daddr_t mt_blkno; /* block number of current position */
u_short mt_flags;
short mt_bf; /* optimum blocking factor */
};
#define MT_NDENSITIES 4
#define MT_NSPEEDS 4
/*
* struct for MTIOCGETDRIVETYPE - get tape config data
*/
struct mtdrivetype {
char name[64]; /* Name, for debug */
char vid[25]; /* Vendor id and model (product) id */
char type; /* Drive type for driver */
int bsize; /* Block size */
int options; /* Drive options */
int max_rretries; /* Max read retries */
int max_wretries; /* Max write retries */
u_char densities[MT_NDENSITIES]; /* density codes, low->hi */
u_char default_density; /* Default density chosen */
u_char speeds[MT_NSPEEDS]; /* speed codes, low->hi */
};
struct mtdrivetype_request {
int size;
struct mtdrivetype *mtdtp;
};
/*
* values for mt_flags
*/
#define MTF_SCSI 0x01
#define MTF_REEL 0x02
#define MTF_ASF 0x04
/*
* Constants for mt_type byte (these are somewhat obsolete)
*/
#define MT_ISTS 0x01 /* vax: unibus ts-11 */
#define MT_ISHT 0x02 /* vax: massbus tu77, etc */
#define MT_ISTM 0x03 /* vax: unibus tm-11 */
#define MT_ISMT 0x04 /* vax: massbus tu78 */
#define MT_ISUT 0x05 /* vax: unibus gcr */
#define MT_ISCPC 0x06 /* sun: multibus cpc */
#define MT_ISAR 0x07 /* sun: multibus archive */
#define MT_ISSC 0x08 /* sun: SCSI archive */
#define MT_ISXY 0x09 /* sun: Xylogics 472 */
#define MT_ISSYSGEN11 0x10 /* sun: SCSI Sysgen, QIC-11 only */
#define MT_ISSYSGEN 0x11 /* sun: SCSI Sysgen QIC-24/11 */
#define MT_ISDEFAULT 0x12 /* sun: SCSI default CCS */
#define MT_ISCCS3 0x13 /* sun: SCSI generic (unknown) CCS */
#define MT_ISMT02 0x14 /* sun: SCSI Emulex MT02 */
#define MT_ISVIPER1 0x15 /* sun: SCSI Archive QIC-150 Viper */
#define MT_ISWANGTEK1 0x16 /* sun: SCSI Wangtek QIC-150 */
#define MT_ISCCS7 0x17 /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS8 0x18 /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS9 0x19 /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS11 0x1a /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS12 0x1b /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS13 0x1c /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS14 0x1d /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS15 0x1e /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS16 0x1f /* sun: SCSI generic (unknown) CCS */
#define MT_ISCDC 0x20 /* sun: SCSI CDC 1/2" cartridge */
#define MT_ISFUJI 0x21 /* sun: SCSI Fujitsu 1/2" cartridge */
#define MT_ISKENNEDY 0x22 /* sun: SCSI Kennedy 1/2" reel */
#define MT_ISHP 0x23 /* sun: SCSI HP 1/2" reel */
#define MT_ISSTC 0x24 /* sun: SCSI IBM STC 3490 */
#define MT_ISANRITSU 0x25 /* nihon sun: Anritsu 1/2" reel */
#define MT_ISCCS23 0x26 /* sun: SCSI generic 1/2" */
#define MT_ISCCS24 0x27 /* sun: SCSI generic 1/2" */
#define MT_ISEXABYTE 0x28 /* sun: SCSI Exabyte 8mm cartridge */
#define MT_ISEXB8500 0x29 /* sun: SCSI Exabyte 8500 8mm cart */
#define MT_ISWANGTHS 0x2a /* sun: SCSI Wangtek 6130HS RDAT */
#define MT_ISWANGDAT 0x2b /* sun: SCSI WangDAT */
#define MT_ISPYTHON 0x2c /* sun: SCSI Archive Python DAT */
#define MT_ISCCS28 0x2d /* sun: SCSI generic DAT CCS */
#define MT_ISCCS29 0x2e /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS30 0x2f /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS31 0x30 /* sun: SCSI generic (unknown) CCS */
#define MT_ISCCS32 0x31 /* sun: SCSI generic (unknown) CCS */
/*
* these are recommended
*/
#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 */
/*
* Device table structure and data for looking tape name from
* tape id number. Used by mt.c.
*/
struct mt_tape_info {
short t_type; /* type of magtape device */
char *t_name; /* printing name */
char *t_dsbits; /* "drive status" register */
char *t_erbits; /* "error" register */
};
/*
* this table is now obsolete, use MTIOCGETDRIVETYPE ioctl
*/
#define MT_TAPE_INFO {\
{ MT_ISXY, "Xylogics 472 1/2-inch", XTS_BITS, 0 }, \
{ MT_ISSYSGEN11, "Sysgen QIC-11", 0, 0 }, \
{ MT_ISSYSGEN, "Sysgen QIC-24", 0, 0 }, \
{ MT_ISMT02, "Emulex MT-02 QIC-24", 0, 0 }, \
{ MT_ISVIPER1, "Archive QIC-150", 0, 0 }, \
{ MT_ISWANGTEK1, "Wangtek QIC-150", 0, 0 }, \
{ MT_ISKENNEDY, "Kennedy 9612 1/2-inch", 0, 0 }, \
{ MT_ISANRITSU, "Anritsu 1/2-inch", 0, 0 }, \
{ MT_ISHP, "HP 88780 1/2-inch", 0, 0 }, \
{ MT_ISEXABYTE, "Exabyte EXB-8200 8mm", 0, 0 }, \
{ MT_ISEXB8500, "Exabyte EXB-8500 8mm", 0, 0 }, \
{ MT_ISWANGDAT, "WangDAT 3.81mm", 0, 0 }, \
{ MT_ISWANGTHS, "Wangtek 4mm RDAT", 0, 0 }, \
{ MT_ISPYTHON, "Archive Python 4mm Helical Scan", 0, 0 }, \
{ MT_ISSTC, "STC 1/2\" Cartridge", 0, 0}, \
{ MT_ISTAND25G, "Tandberg 2.5 Gig QIC", 0, 0}, \
{ MT_ISQIC, "QIC", 0, 0}, \
{ MT_ISREEL, "REEL", 0, 0}, \
{ MT_ISDAT, "DAT", 0, 0}, \
{ MT_IS8MM, "8mm", 0, 0}, \
{ MT_ISOTHER, "Other", 0, 0}, \
{ 0 } \
}
/* mag tape io control commands */
#define MTIOC ('m'<<8)
#define MTIOCTOP (MTIOC|1) /* do a mag tape op */
#define MTIOCGET (MTIOC|2) /* get tape status */
#define MTIOCGETDRIVETYPE (MTIOC|3) /* get tape config data */
#ifndef KERNEL
/*
* don't use DEFTAPE.
*/
#define DEFTAPE "/dev/rmt/0"
#endif
/*
* Layout of minor device byte
* 15 - 8 7 6 5 4 3 2 1 0
* --------------------------------------------
* | | | | | | | | |----| Unit #. lower 2 bits
* | | | | | | | |---------- No rewind on close bit....
* | | | | | |----|--------------- Density Select
* | | | | |------------------------- Resrvd.(add. campus dens. bit)
* | | | |------------------------------ BSD behavior
* |----|----|----------------------------------- Unit # bit 2-6
*/
#define MTUNIT(dev) (((getminor(dev) & 0xff80) >> 5) + \
(getminor(dev) & 0x3))
#define MT_NOREWIND (1 <<2)
#define MT_DENSITY_MASK (3 <<3)
#define MT_DENSITY1 (0 <<3) /* Lowest density/format */
#define MT_DENSITY2 (1 <<3)
#define MT_DENSITY3 (2 <<3)
#define MT_DENSITY4 (3 <<3) /* Highest density/format */
#define MTMINOR(unit) (((unit & 0x7fc) << 5) + (unit & 0x3))
#define MT_BSD (1 <<6) /* BSD behavior on close */
#define MT_DENSITY(dev) ((getminor(dev) & MT_DENSITY_MASK) >> 3)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MTIO_H */
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