Return to dr.4 CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / man / man4 / tahoe

Annotation of 43BSDTahoe/man/man4/tahoe/dr.4, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 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: .\"    @(#)dr.4        6.2 (Berkeley) 6/30/87
        !             6: .\"
        !             7: .TH DR 4 "November 21, 1986"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: dr \- Ikon DR-11W interface
        !            11: .SH SYNOPSIS
        !            12: .B "device dr0 at vba? csr 0xffff8000 vector drintr"
        !            13: .SH DESCRIPTION
        !            14: The
        !            15: .I dr
        !            16: driver provides access
        !            17: to an Ikon DR-11W DMA controller.
        !            18: Each minor device is a different controller.
        !            19: .PP
        !            20: In addition to reading and writing, the following
        !            21: .I ioctl
        !            22: requests are available:
        !            23: .TP 10
        !            24: DRWAIT
        !            25: Wait for an attention interrupt from the associated device.
        !            26: .TP
        !            27: DRPIOW
        !            28: Write to the programmed i/o register.
        !            29: .TP
        !            30: DRPACL
        !            31: Write to the pulse register.
        !            32: .TP
        !            33: DRDACL
        !            34: Set the ``ac-low'' bit in the next command sent to the DR-11W.
        !            35: .TP
        !            36: DRPCYL
        !            37: Set the ``cycle'' bit in the next command sent to the DR-11W.
        !            38: .TP
        !            39: DRDFCN
        !            40: Hold the function bits until the next command is issused.
        !            41: .TP
        !            42: DRRATN
        !            43: Reset the attention flag.
        !            44: .TP
        !            45: DRRDMA
        !            46: Reset the DMA complete flag.
        !            47: .TP
        !            48: DRSFCN
        !            49: Set the function bits in the control status register and,
        !            50: as a side effect, clear the interrupt enable flag.
        !            51: .TP
        !            52: DRRPER
        !            53: Reset the parity error flag.
        !            54: .TP
        !            55: DRSETRSTALL
        !            56: Set ``no stall'' mode for all subsequent reads.
        !            57: In no stall mode the driver will abort
        !            58: read requests that fail to complete before a user
        !            59: specified timeout expires.
        !            60: .TP
        !            61: DRSETNORSTALL
        !            62: Disable no stall mode for reads.
        !            63: .TP
        !            64: DRGETRSTALL
        !            65: Return true if in no stall mode for reads.
        !            66: .TP
        !            67: DRSETRTIMEOUT
        !            68: Set the value of the timeout used in no stall mode  for
        !            69: reads.  The time is specified in tenths of seconds.
        !            70: .TP
        !            71: DRGETRTIMEOUT
        !            72: Return the time until (in tenths of seconds) before a read
        !            73: is timed out when in no stall mode.
        !            74: .TP
        !            75: DRSETWSTALL
        !            76: Set ``no stall'' mode for all subsequent writes.
        !            77: In no stall mode the driver will abort
        !            78: write requests that fail to complete before a user
        !            79: specified timeout expires.
        !            80: .TP
        !            81: DRSETNOWSTALL
        !            82: Disable no stall mode for writes.
        !            83: .TP
        !            84: DRGETWSTALL
        !            85: Return true if in no stall mode for writes.
        !            86: .TP
        !            87: DRSETWTIMEOUT
        !            88: Set the value of the timeout used in no stall mode  for
        !            89: writes.  The time is specified in tenths of seconds.
        !            90: .TP
        !            91: DRGETRTIMEOUT
        !            92: Return the time until (in tenths of seconds) before a write
        !            93: is timed out when in no stall mode.
        !            94: .TP
        !            95: DRWRITEREADY
        !            96: Return 1 if the device can accept data, 0 otherwise
        !            97: (this is areally the DR-11W A status bit).
        !            98: .TP
        !            99: DRREADREADY
        !           100: Return 1 if the device has data for the host to read,
        !           101: 0 otherwise (this is really the DR-11W B status bit).
        !           102: .TP
        !           103: DRBUSY
        !           104: Return 1  if the device is busy, 0 otherwise.
        !           105: .TP
        !           106: DRRESET
        !           107: Reset the DR-11W.
        !           108: .TP
        !           109: DR11STAT
        !           110: Return the driver status and the contents of the
        !           111: DR-11W i/o registers.  The
        !           112: eight words returned are, in order, the driver
        !           113: status flags, the contents of the control status
        !           114: register, the contents of the status register
        !           115: at the time of the last interrupt from the device,
        !           116: the contents of the programmed i/o data register,
        !           117: a combination of the address modifier used by the
        !           118: device in performing VERSAbus transfers and the
        !           119: interrupt vector used by the device, the contents
        !           120: of the range register, the contents of the rahi
        !           121: register, and the contents of the ralo register.
        !           122: .TP
        !           123: DR11LOOP
        !           124: Perform loopback testing (the loopback cable must
        !           125: be in place for this to work).
        !           126: .SH FILES
        !           127: /dev/dr[0-7]   standard devices
        !           128: .SH DIAGNOSTICS
        !           129: Lots of them, none of them meaningful.
        !           130: .SH BUGS
        !           131: This driver needs to be rewritten.

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.