1.\" $OpenBSD: config_defer.9,v 1.2 2015/12/12 11:34:29 jmc Exp $ 2.\" $NetBSD: autoconf.9,v 1.9 2002/02/13 08:18:35 ross Exp $ 3.\" 4.\" Copyright (c) 2001 The NetBSD Foundation, Inc. 5.\" All rights reserved. 6.\" 7.\" This code is derived from software contributed to The NetBSD Foundation 8.\" by Gregory McGarry. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29.\" POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd $Mdocdate: December 12 2015 $ 32.Dt CONFIG_DEFER 9 33.Os 34.Sh NAME 35.Nm config_defer , 36.Nm config_mountroot 37.Nd deferred device configuration 38.Sh SYNOPSIS 39.In sys/param.h 40.In sys/device.h 41.Ft "void" 42.Fn config_defer "struct device *dev" "void (*func)(struct device *)" 43.Ft "void" 44.Fn config_mountroot "struct device *dev" "void (*func)(struct device *)" 45.Sh DESCRIPTION 46The 47.Fn config_defer 48function is called by the child to defer the remainder of its configuration 49until all its parent devices have been attached. 50At this point, the function 51.Fa func 52is called with the argument 53.Fa dev . 54.Pp 55The 56.Fn config_mountroot 57function is called by a device driver to defer the remainder of its 58configuration until after the root file system is mounted. 59At this point, the function 60.Fa func 61is called with the argument 62.Fa dev . 63