179fa75e6e
Computing Technologies LLC to Hudson River Trading LLC. Approved by: Hudson River Trading LLC (who owns ACT LLC) MFC after: 1 week
57 lines
2.2 KiB
Groff
57 lines
2.2 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 2009 Hudson River Trading LLC
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.\" Written by: John H. Baldwin <jhb@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 June 8, 2009
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.Dt BUS_NEW_PASS 9
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.Os
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.Sh NAME
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.Nm BUS_NEW_PASS
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.Nd "notify a bus that the pass level has been changed"
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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 void
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.Fn BUS_NEW_PASS "device_t dev"
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.Sh DESCRIPTION
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The
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.Fn BUS_NEW_PASS
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method is called on each bus device to rescan the device tree when the pass
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level has been changed.
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This method is responsible for invoking
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.Xr BUS_NEW_PASS 9
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on child bus devices to propagate the rescan to child devices.
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It is also responsible for reprobing any unattached child devices and
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allowing drivers for the current pass to identify new children.
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A default implementation is provided by
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.Xr bus_generic_new_pass 9 .
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.Sh SEE ALSO
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.Xr bus_generic_new_pass 9 ,
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.Xr bus_set_pass 9 ,
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.Xr device 9
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