2e43efd0bb
Reviewed by: rgrimes MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D19485
51 lines
2.0 KiB
Groff
51 lines
2.0 KiB
Groff
.\" -*- nroff -*-
|
|
.\"
|
|
.\" Copyright (c) 2016 John H. Baldwin <jhb@FreeBSD.org>
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd April 27, 2016
|
|
.Dt BUS_RESCAN 9
|
|
.Os
|
|
.Sh NAME
|
|
.Nm BUS_RESCAN
|
|
.Nd "rescan a bus checking for devices that have been added or removed"
|
|
.Sh SYNOPSIS
|
|
.In sys/param.h
|
|
.In sys/bus.h
|
|
.Ft void
|
|
.Fn BUS_RESCAN "device_t dev"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn BUS_RESCAN
|
|
method is called to request a rescan of the child devices on a bus device.
|
|
The method should add any devices that have been added since the previous
|
|
scan and remove devices that have been removed.
|
|
This method is not required to re-examine existing devices to determine if
|
|
their properties have changed.
|
|
This method is also not required to propagate the rescan request to child
|
|
devices.
|
|
.Sh SEE ALSO
|
|
.Xr device 9
|