298 lines
11 KiB
C
298 lines
11 KiB
C
/* $NetBSD: mtreg.h,v 1.4 2005/12/11 12:21:21 christos Exp $ */
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/*
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* Copyright (c) 1992, The University of Utah and
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* the Computer Systems Laboratory at the University of Utah (CSL).
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* All rights reserved.
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*
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* Permission to use, copy, modify and distribute this software is hereby
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* granted provided that (1) source code retains these copyright, permission,
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* and disclaimer notices, and (2) redistributions including binaries
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* reproduce the notices in supporting documentation, and (3) all advertising
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* materials mentioning features or use of this software display the following
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* acknowledgement: ``This product includes software developed by the
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* Computer Systems Laboratory at the University of Utah.''
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*
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* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
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* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
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* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* CSL requests users of this software to return to csl-dist@cs.utah.edu any
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* improvements that they make and grant CSL redistribution rights.
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*
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* Utah $Hdr: mtreg.h 1.4 95/09/12$
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*/
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/* @(#)mtreg.h 3.4 90/07/10 mt Xinu
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*
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* Hewlett-Packard 7974, 7978, 7979 and 7980 HPIB Mag-Tape declarations.
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*/
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/*
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* Hardware Id's
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*/
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#define MT7974AID 0x174
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#define MT7978ID 0x178
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#define MT7979AID 0x179
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#define MT7980ID 0x180
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/* convert bytes to 1k tape block and back */
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#define CTBTOK(x) ((x) >> 10)
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#define CTKTOB(x) ((x) << 10)
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/*
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* Listen Secondary Commands
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*/
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#define MTL_WRITE 0 /* write execute */
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#define MTL_TCMD 1 /* tape command */
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#define MTL_DIAG 4 /* download diagnostic */
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#define MTL_FUP 6 /* write firmware update */
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#define MTL_ECMD 7 /* end command */
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#define MTL_DCL 16 /* amigo device clear */
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#define MTL_CCRC 17 /* clear CRC */
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#define MTL_XTEST 29 /* run 7979a/7980 extended self test */
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#define MTL_LOOP 30 /* write interface loopback */
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#define MTL_TEST 31 /* run self test */
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/*
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* Talk Secondary Commands
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*/
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#define MTT_READ 0 /* read execute */
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#define MTT_STAT 1 /* read status */
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#define MTT_BCNT 2 /* read byte count */
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#define MTT_DIAG 3 /* read diagnostic results */
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#define MTT_FREV 4 /* read firmware revisions (7980xc) */
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#define MTT_LOG 5 /* read diagnostic log */
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#define MTT_FUP 6 /* read firmware update */
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#define MTT_XSTAT 15 /* read extended status (7979a/7980a) */
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#define MTT_DSJ 16 /* read DSJ (device specified jump) */
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#define MTT_RCRC 17 /* read CRC */
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#define MTT_XTEST 29 /* read 7979a/7980 extended self test */
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#define MTT_LOOP 30 /* read interface loopback */
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#define MTT_TEST 31 /* read self test */
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/*
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* Tape commands
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*/
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#define MTTC_SEL0 0 /* Select Unit 0 (native protocol) */
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#define MTTC_WRITE 5 /* Write Record */
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#define MTTC_WFM 6 /* Write File Mark */
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#define MTTC_WGAP 7 /* Write Gap */
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#define MTTC_READ 8 /* Read record */
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#define MTTC_FSR 9 /* forward space record */
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#define MTTC_BSR 10 /* backward space record */
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#define MTTC_FSF 11 /* forward space file */
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#define MTTC_BSF 12 /* backward space file */
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#define MTTC_REW 13 /* rewind */
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#define MTTC_REWOFF 14 /* rewind and go offline */
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#define MTTC_DC6250 15 /* set data compressed 6250 */
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#define MTTC_6250 16 /* set 6250 bpi */
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#define MTTC_1600 17 /* set 1600 bpi */
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#define MTTC_800 18 /* set 800 bpi */
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#define MTTC_NC6250 19 /* set non-compressed 6250 */
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#define MTTC_STSTP 20 /* start/stop mode only */
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#define MTTC_STRM 21 /* enable streaming */
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#define MTTC_DIRM 22 /* disable immediate report mode */
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#define MTTC_EIRM 23 /* enable immediate report mode */
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#define MTTC_STAT 24 /* request status */
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#define MTTC_RLD 25 /* remote load */
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#define MTTC_RUNLD 26 /* remote unload */
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#define MTTC_RON 28 /* remote online */
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#define MTTC_DDC 30 /* disable data compression */
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#define MTTC_EDC 31 /* enable data compression */
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/*
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* End Command Bits (of any interest)
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*/
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#define MTE_COMPLETE 0x08 /* "marks the end of the report phase" */
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#define MTE_IDLE 0x04 /* enables parallel poll resp. for online */
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#define MTE_STOP 0x02 /* aborts transfer of "read" data */
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#define MTE_DSJ_FORCE 0x100 /* XXX During readDSJ, force a status fetch */
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struct mt_stat {
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u_char m_stat[6];
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};
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/* sc_flags */
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#define MTF_OPEN 0x0001 /* drive is in use (single-access device) */
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#define MTF_EXISTS 0x0002 /* device was found at boot time */
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#define MTF_ALIVE 0x0004 /* drive actually talks to us */
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#define MTF_WRT 0x0008 /* last command was a WRITE */
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#define MTF_IO 0x0010 /* next interrupt should start I/O (DMA) */
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#define MTF_REW 0x0020 /* tape is rewinding - must wait for it */
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#define MTF_HITEOF 0x0040 /* last read or FSR hit EOF (file mark) */
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#define MTF_HITBOF 0x0080 /* last BSR hit EOF (file mark) */
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#define MTF_ATEOT 0x0100 /* tape hit EOT - can allow one forward op */
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#define MTF_PASTEOT 0x0200 /* tape is beyond EOT - force backward motion */
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#define MTF_DSJTIMEO 0x0400 /* timed out gpibrecv()ing DSJ - continue it */
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#define MTF_STATTIMEO 0x0800 /* timed out recieving STATUS - continue it */
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#define MTF_STATCONT 0x1000 /* STATTIMEO is continuable */
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/* additional "mtcommand"s */
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#define MTRESET 16 /* reset the thing from scratch */
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#define MTSET800BPI 17 /* density select */
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#define MTSET1600BPI 18
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#define MTSET6250BPI 19
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#define MTSET6250DC 20 /* (data compressed - MT7980ID only) */
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/* status bytes */
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#define sc_stat1 sc_stat.m_stat[0]
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#define sc_stat2 sc_stat.m_stat[1]
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#define sc_stat3 sc_stat.m_stat[2]
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#define sc_stat4 sc_stat.m_stat[3]
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#define sc_stat5 sc_stat.m_stat[4]
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#define sc_stat6 sc_stat.m_stat[5]
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/*
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* Status Register definitions
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*/
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#define SR1_EOF 0x80 /* positioned at File Mark */
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#define SR1_BOT 0x40 /* positioned at Beginning of Tape */
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#define SR1_EOT 0x20 /* positioned at End of Tape */
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#define SR1_SOFTERR 0x10 /* Recoverable Error has Occurred */
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#define SR1_REJECT 0x08 /* HPIB Cmd rejected - Regs 4 & 5 have info */
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#define SR1_RO 0x04 /* No Write Ring */
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#define SR1_ERR 0x02 /* Unrecoverable Data error - Reg 5 has info */
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#define SR1_ONLINE 0x01 /* Drive Online (must be to do any operation) */
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#define SR2_6250 0x80 /* tape is 6250BPI */
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#define SR2_UNKDEN 0x40 /* non-blank tape is of unknown density */
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#define SR2_PARITY 0x20 /* internal bus data parity error detected */
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#define SR2_OVERRUN 0x10 /* data buffer overrun (not possible?) */
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#define SR2_RUNAWAY 0x08 /* during read, no data detected on tape */
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#define SR2_OPEN 0x04 /* tape door is open */
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#define SR2_LONGREC 0x02 /* large record support (32k@1600, 60K@6250,
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otherwise, it's 16K at all densities) */
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#define SR2_IMMED 0x01 /* Immediate Response (for writes) enabled */
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#define SR3_1600 0x80 /* tape is 1600BPI */
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#define SR3_800 0x40 /* tape is 800BPI */
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#define SR3_POWERUP 0x20 /* power recently restored or Dev Clr done */
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#define SR3_HPIBPAR 0x10 /* HPIB command parity error detected */
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#define SR3_LOST 0x08 /* position on tape is unknown */
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#define SR3_FMTERR 0x04 /* formatter error - Reg 5 has info */
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#define SR3_SVOERR 0x02 /* motion servo error - Reg 4 has info */
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#define SR3_CTLERR 0x01 /* controller error - Reg 5 has info */
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#define SR4_ERCLMASK 0xe0 /* Mask of error classes (for SR1_REJECT) */
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#define SR4_NONE 0x00
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#define SR4_DEVICE 0x40
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#define SR4_PROTOCOL 0x60
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#define SR4_SELFTEST 0xe0
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#define SR4_RETRYMASK 0x1f /* Mask for retry count (for any error) */
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/* SR5 holds lots of error codes, referenced above. Complete list:
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* (DEVICE REJECT)
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* 5 Tape is write protected
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* 6 Tape isn't loaded
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* 7 Requested density not supported
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* 9 Tape being read is unreadable
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* 10 Tape being written is unidentifiable
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* 11 Drive offline
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* 16 Changing density while not at BOT
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* 19 Backward motion requested while at BOT
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* 23 Protocol out of sync
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* 24 Unknown tape command
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* 31 Write request too big for drive/density
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* 32 Beyond EOT
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* 33 Self Test Failure
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* 37 Tape positioning failure while removing readaheads
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* 40 Door open
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* (UNRECOVERED DATA/FORMAT ERRORS)
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* 41 Tape velocity out of spec
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* 45 Multiple track data error
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* 47 Write verify failed
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* 48 Noise found while trying to detect data record
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* 49 Data format error
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* 50 Couldn't identify tape after rewind
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* 51 Gap detected before end of data record
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* 52 Data block dropout
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* 53 CRC error
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* 54 Parity error
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* 55 Door open
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* 57 Maximum skew exceeded
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* 58 False data block detected
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* 59 Corrected data error on write
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* 60 Buffer overrun - record size on tape larger than supported
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* 61 Data block timeout (possibly record length too long)
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* 62 Tape mark dropout
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* 63 Tape mark unverified
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* 64 Tape mark timeout (no gap following tape mark)
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* (POSITION or SERVO ERRORS) - these are ALL internal to tape drive
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* 81 Servo unresponsive
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* 82 Servo didn't respond with corect state
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* 83 Servo shutdown
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* 84 Servo detected hardware failure
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* 85 Servo protocol error
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* 86 Runtime Servo error
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* 87 Missing position interrupt
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* 88 No Gap after read or write
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* 89 Motor shutdown for safety reasons
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* 90 Couldn't find tape BOT mark
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* 91 Drive motor running too fast or slow
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* 92 Requested controller state invalid within context
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* 94 Tape positioning failure
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* (FORMATTER ERROR)
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* 101,108 Read formatter unresponsive
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* 102,107 Read formatter hardware error
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* 103 Write detected bad block
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* 104 Erase failure
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* 105 No data detected after write
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* 106 Tracks out of sync on write verify
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* 109 No gap timeout
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* 110 Formatter <--> data buffer byte count mismatch
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* (CONTROLLER ERROR) - these are ALL internal to drive
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* 121 Transaction ID mismatch (device vs. controller)
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* 122 Devoce report has no coorepinding command
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* 123 Invalid device report
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* 124 Repost queue overflow
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* 125 Unknown command from device
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* 126 Command queue overflow
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* 128 Missing End-Of-Record flag in data buffer
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* 129 Data buffer parity error
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* 130 Data buffer underrun during write
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* 131 Byte count mismatch in data buffer queue
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* 132 Bad message type from device
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* 133 Abort between HPIB interface and channel program
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* 134 Unknown HPIB interface exception
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* 137 Illegal access to servo conntroller registers
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* 138 Device program firmware error
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* 139 Hardware utilities firmware error
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* 140 Channel program firmware error
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* 141 Encoder inoperative
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* 150 Tape position synchronization error
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* 151 Tape deblocking error (Xtra Capacity only)
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* 152 Compression/Decompression hardware error (Xtra Capacity only)
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* (PROTOCOL ERROR) - USUALLY indicates deficiency in driver
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* 161 No room in Command Queue
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* 162 Expected "request DSJ"
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* 163 Expected status request
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* 165 Unknown unit select
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* 166 Tape command secondary expected
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* 167 Data byte expected
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* 168 Missing EOI on data byte
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* 170 Write command phase protocol error
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* 172 Read record report phase error
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* 173 Report phase protocol error
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* 174 Cold load sequence error
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* 175 HPIB protocol sequence error
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* 176 END command expected
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* 178 END DATA expected
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* 180 Unknown interface secondary command
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* 181 Misplaced data byte
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* 184 Interface Loopback protocol error
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* 185 Self test protocol error
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* 188 HPIB parity error
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* 189 Operator reset during protocol sequence
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* 190 Device clear received
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*/
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/* SR6 is count of commands accepted since Immediate Response command failed */
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