72 lines
2.4 KiB
Groff
72 lines
2.4 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 1998 Doug Rabson
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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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 DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 6, 2005
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.Dt DEVICE_ATTACH 9
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.Os
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.Sh NAME
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.Nm DEVICE_ATTACH
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.Nd attach a device
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/bus.h
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.Ft int
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.Fn DEVICE_ATTACH "device_t dev"
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.Sh DESCRIPTION
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Attach a device to the system after the
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.Fn DEVICE_PROBE
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method has been called and has indicated that
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the device exists.
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The
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.Fn DEVICE_ATTACH
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method should initialize the hardware and allocate other
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system resources (such as
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.Xr devfs 5
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entries).
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.Pp
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Devices which implement busses should use this method to probe for
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the existence of devices attached to the bus and add them as
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children.
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If this is combined with the use of
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.Xr bus_generic_attach 9
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the child devices will be automatically probed and attached.
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.Sh RETURN VALUES
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Zero is returned on success, otherwise an appropriate error is returned.
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.Sh SEE ALSO
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.Xr devfs 5 ,
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.Xr device 9 ,
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.Xr DEVICE_DETACH 9 ,
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.Xr DEVICE_IDENTIFY 9 ,
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.Xr DEVICE_PROBE 9 ,
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.Xr DEVICE_SHUTDOWN 9
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.Sh AUTHORS
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This manual page was written by
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.An Doug Rabson Aq Mt dfr@FreeBSD.org .
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