2009-09-26 12:45:28 +00:00
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.\"-
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.\" Copyright (c) 2009 "Bjoern A. Zeeb" <bz@FreeBSD.org>
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.\" All rights reserved.
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.\"
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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.\" $FreeBSD$
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.\"
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.Dd September 26, 2009
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.Dt LINDEV 4
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.Os
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.Sh NAME
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.Nm lindev
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2009-10-09 10:03:41 +00:00
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.Nd Linux-specific pseudo devices support
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2009-09-26 12:45:28 +00:00
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.Sh SYNOPSIS
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To compile this collection of linux-specific pseudo devices into the kernel,
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place the following line in your kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device lindev"
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.Ed
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.Pp
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Alternatively, to load the driver as a module at boot time,
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place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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lindev_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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module provides a collection of linux-specific pseudo devices.
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.Sh DEVICES
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.Bl -tag -width /dev/full
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.It Pa /dev/full
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The
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.Xr full
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device always returns
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.Er ENOSPC
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on write attempts.
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For reads it emulates
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.Xr zero 4 .
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.El
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.Sh FILES
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.Bl -tag -width /dev/full
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.It Pa /dev/full
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.El
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.Sh SEE ALSO
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.Xr null 4 ,
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.Xr zero 4
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.Sh HISTORY
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The
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.Nm
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module first appeared in
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.Fx 9.0 .
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