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Annotation of 43BSDReno/share/man/man4/man4.vax/tmscp.4, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1986 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)tmscp.4     6.1 (Berkeley) 6/4/86
                      6: .\"
                      7: .TH TMSCP 4 "June 4, 1986"
                      8: .UC 6
                      9: .SH NAME
                     10: tmscp \- DEC TMSCP magtape interface
                     11: .SH SYNOPSIS
                     12: .B "controller tmscp0 at uba? csr 0174500 vector tmscpintr"
                     13: .br
                     14: .B "tape tms0 at tmscp0 drive 0"
                     15: .SH DESCRIPTION
                     16: Tape controllers compatible with the DEC
                     17: Tape Mass Storage Control Protocol (TMSCP) architecture
                     18: such as the TU81 and the TK50
                     19: provide a standard tape drive interface 
                     20: as described in
                     21: .IR mtio (4).
                     22: The controller communicates with the host through a packet
                     23: oriented protocol.
                     24: Consult the file
                     25: .IR < vax/tmscp.h >
                     26: for a detailed 
                     27: description of this protocol.
                     28: .SH DIAGNOSTICS
                     29: .BR "tmscp controller failed to init" .
                     30: The controller initialization procedure failed.
                     31: This probably indicates a hardware problem.
                     32: .PP
                     33: .BR "tmscp%d: sa 0%o, state %d" .
                     34: (Additional status information given after a hard I/O error.)
                     35: The values of the controller status register and the internal
                     36: driver state are printed.
                     37: .PP
                     38: .BR "tmscp%d: random interrupt ignored" .
                     39: An unexpected interrupt was received (e.g. when no i/o was
                     40: pending).  The interrupt is ignored.
                     41: .PP
                     42: .BR "tmscp%d:  interrupt in unknown state %d ignored" .
                     43: An interrupt was received when the driver was in an unknown
                     44: internal state.  Indicates a hardware problem or a driver bug.
                     45: .PP
                     46: .BR "tmscp%d:  fatal error (0%o)" .
                     47: The controller detected a ``fatal error'' in the status returned
                     48: to the host.  The contents of the status register are displayed.
                     49: .PP
                     50: .BR OFFLINE .
                     51: (Additional status information given after a hard I/O error.)
                     52: A hard I/O error occurred because the drive was not on-line.
                     53: .PP
                     54: The following errors are interpretations of TMSCP error messages
                     55: returned by the controller to the host.
                     56: Each is preceded by either
                     57: .B "tmscp%d: hard error"
                     58: or
                     59: .BR "tmscp%d: soft error" .
                     60: .PP
                     61: .BR "controller error, event 0%o" .
                     62: .PP
                     63: .BR "host memory access error, event 0%o, addr 0%o" .
                     64: .PP
                     65: .BR "tape transfer error, unit %d, grp 0x%x, event 0%o" .
                     66: .PP
                     67: .BR "STI error, unit %d, event 0%o" .
                     68: .PP
                     69: .BR "STI Drive Error Log, unit %d, event 0%o" .
                     70: .PP
                     71: .BR "STI Formatter Error Log, unit %d, event 0%o" .
                     72: .PP
                     73: .BR "unknown error, unit %d, format 0%o, event 0%o" .
                     74: .SH "SEE ALSO"
                     75: mt(1), tar(1), tp(1), mtio(4), tm(4), ts(4), ut(4), dmesg(8)

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