xref: /freebsd-12.1/libexec/rc/rc.d/devmatch (revision 0696600c)
1*0696600cSBjoern A. Zeeb#!/bin/sh
2*0696600cSBjoern A. Zeeb
3*0696600cSBjoern A. Zeeb# Copyright (c) 2018 M. Warner Losh
4*0696600cSBjoern A. Zeeb#
5*0696600cSBjoern A. Zeeb# Redistribution and use in source and binary forms, with or without
6*0696600cSBjoern A. Zeeb# modification, are permitted provided that the following conditions
7*0696600cSBjoern A. Zeeb# are met:
8*0696600cSBjoern A. Zeeb# 1. Redistributions of source code must retain the above copyright
9*0696600cSBjoern A. Zeeb#    notice, this list of conditions and the following disclaimer.
10*0696600cSBjoern A. Zeeb# 2. Redistributions in binary form must reproduce the above copyright
11*0696600cSBjoern A. Zeeb#    notice, this list of conditions and the following disclaimer in the
12*0696600cSBjoern A. Zeeb#    documentation and/or other materials provided with the distribution.
13*0696600cSBjoern A. Zeeb#
14*0696600cSBjoern A. Zeeb# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*0696600cSBjoern A. Zeeb# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*0696600cSBjoern A. Zeeb# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*0696600cSBjoern A. Zeeb# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*0696600cSBjoern A. Zeeb# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*0696600cSBjoern A. Zeeb# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*0696600cSBjoern A. Zeeb# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*0696600cSBjoern A. Zeeb# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*0696600cSBjoern A. Zeeb# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*0696600cSBjoern A. Zeeb# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*0696600cSBjoern A. Zeeb# SUCH DAMAGE.
25*0696600cSBjoern A. Zeeb#
26*0696600cSBjoern A. Zeeb# $FreeBSD$
27*0696600cSBjoern A. Zeeb#
28*0696600cSBjoern A. Zeeb# PROVIDE: devmatch
29*0696600cSBjoern A. Zeeb# REQUIRE: kldxref
30*0696600cSBjoern A. Zeeb# KEYWORD: nojail
31*0696600cSBjoern A. Zeeb
32*0696600cSBjoern A. Zeeb. /etc/rc.subr
33*0696600cSBjoern A. Zeeb
34*0696600cSBjoern A. Zeebname="devmatch"
35*0696600cSBjoern A. Zeebdesc="Use devmatch(8) to load kernel modules"
36*0696600cSBjoern A. Zeebrcvar="${name}_enable"
37*0696600cSBjoern A. Zeeb
38*0696600cSBjoern A. Zeebstart_cmd="${name}_start"
39*0696600cSBjoern A. Zeebstop_cmd=':'
40*0696600cSBjoern A. Zeebone_nomatch="$2"
41*0696600cSBjoern A. Zeeb
42*0696600cSBjoern A. Zeebdevmatch_start()
43*0696600cSBjoern A. Zeeb{
44*0696600cSBjoern A. Zeeb	local x m list
45*0696600cSBjoern A. Zeeb
46*0696600cSBjoern A. Zeeb	if [ -n "$one_nomatch" ]; then
47*0696600cSBjoern A. Zeeb		list=$(devmatch -p "${one_nomatch}" | sort -u)
48*0696600cSBjoern A. Zeeb	else
49*0696600cSBjoern A. Zeeb		list=$(devmatch | sort -u)
50*0696600cSBjoern A. Zeeb	fi
51*0696600cSBjoern A. Zeeb
52*0696600cSBjoern A. Zeeb	[ -n "$list" ] || return
53*0696600cSBjoern A. Zeeb
54*0696600cSBjoern A. Zeeb	# While kldload can accept multiple modules
55*0696600cSBjoern A. Zeeb	# on the line at once, we loop here in case
56*0696600cSBjoern A. Zeeb	# there's some weird error with one of them.
57*0696600cSBjoern A. Zeeb	# We also optimize against the false positives
58*0696600cSBjoern A. Zeeb	# or drivers that have symbolic links that
59*0696600cSBjoern A. Zeeb	# confuse devmatch by running it -n.
60*0696600cSBjoern A. Zeeb	# Finally, we filter out all items in the
61*0696600cSBjoern A. Zeeb	# devmactch_blacklist.
62*0696600cSBjoern A. Zeeb	devctl freeze
63*0696600cSBjoern A. Zeeb	x=$(echo ${devmatch_blacklist} | tr ' ' '#')
64*0696600cSBjoern A. Zeeb	for m in ${list}; do
65*0696600cSBjoern A. Zeeb		case "#${x}#" in
66*0696600cSBjoern A. Zeeb		*"#${m}#"*) continue ;;
67*0696600cSBjoern A. Zeeb		esac
68*0696600cSBjoern A. Zeeb		echo "Autoloading module: ${m}"
69*0696600cSBjoern A. Zeeb		kldload -n ${m}
70*0696600cSBjoern A. Zeeb	done
71*0696600cSBjoern A. Zeeb	devctl thaw
72*0696600cSBjoern A. Zeeb}
73*0696600cSBjoern A. Zeeb
74*0696600cSBjoern A. Zeebload_rc_config $name
75*0696600cSBjoern A. Zeebrun_rc_command "$1"
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