1993-03-21 12:45:37 +03:00
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.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Systems Programming Group of the University of Utah Computer
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.\" Science Department.
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1993-08-01 11:54:52 +04:00
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.\" from: @(#)ct.4 5.2 (Berkeley) 3/27/91
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.\" $Id: ct.4,v 1.2 1993/08/01 07:56:36 mycroft Exp $
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1993-03-21 12:45:37 +03:00
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.\"
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.Dd March 27, 1991
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.Dt CT 4 hp300
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.Os
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.Sh NAME
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.Nm \&ct
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.Nd
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.Tn CS/80
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cartridge tape interface
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.Sh SYNOPSIS
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.Cd "tape ct0 at hpib? slave ?"
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.Sh DESCRIPTION
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The cartridge tape interface as found in the 7946 and 9144 products
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provides a standard tape drive interface as described in
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.Xr mtio 4
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with the following exceptions:
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.Bl -enum
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.It
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There is only one density.
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.It
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Only the
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.Dq raw
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interface is supported.
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.It
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The
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.Dv MTIOCTOP
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.Xr ioctl 2
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is limited.
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In particular, the command,
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.Dv MTFSR
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is not supported.
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.It
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The
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.Dv MTIOCGET
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.Xr ioctl
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is not supported.
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.It
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The record size for read and write operations must be between
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1K and 64K inclusive.
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.El
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.Pp
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Special files
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.Pa rct0
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through
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.Pa rct3
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refer to rewind on close interfaces to drives 0 to 3.
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Files
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.Pa rct4
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through
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.Pa rct7
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refer to no-rewind interfaces.
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Files
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.Pa rct8
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through
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.Pa rct11
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refer to streaming rewind on close interfaces. (Only 9144 type devices
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can stream.)
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Lastly,
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.Pa rct12
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through
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.Pa rct15
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refer to streaming no-rewind interfaces.
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.Sh SEE ALSO
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.Xr mt 1 ,
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.Xr tar 1 ,
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.Xr tp 1 ,
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.Xr mtio 4 .
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.Sh HISTORY
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The
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.Nm \&ct
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driver
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.Ud
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.Sh BUGS
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Read and writes of less than 1024 bytes will not behave as expected.
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