1#!/bin/sh 2 3# Copyright (c) 2018 M. Warner Losh <imp@FreeBSD.org> 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24# SUCH DAMAGE. 25# 26# 27# PROVIDE: devmatch 28# REQUIRE: kld 29# BEFORE: netif 30# KEYWORD: nojail 31 32. /etc/rc.subr 33 34name="devmatch" 35desc="Use devmatch(8) to load kernel modules" 36rcvar="${name}_enable" 37 38start_cmd="${name}_start" 39stop_cmd=':' 40one_nomatch="$2" 41 42devmatch_start() 43{ 44 local x m list 45 46 if [ -n "$one_nomatch" ]; then 47 list=$(devmatch -p "${one_nomatch}" | sort -u) 48 else 49 sysctl hw.bus.devctl_nomatch_enabled=1 > /dev/null 50 list=$(devmatch | sort -u) 51 fi 52 53 [ -n "$list" ] || return 54 55 # While kldload can accept multiple modules on the line at once, we loop 56 # here in case there's some weird error with one of them. We also 57 # optimize against the false positives or drivers that have symbolic 58 # links that confuse devmatch by running it -n. Finally, we filter out 59 # all items in the devmatch_blocklist. 60 # 61 # We strip all the .ko suffixes off so that one may specify modules 62 # with or without .ko. Prior version documented it was without, while 63 # the code required it, so accept both now. devmatch produces module 64 # names with .ko 65 66 devctl freeze 67 x=$(echo "#${devmatch_blocklist:-${devmatch_blacklist}}#$(kenv -q devmatch_blocklist)#" | \ 68 sed -e "s/ /#/g;s/\.ko#/#/g") 69 for m in ${list}; do 70 m="${m%.ko}" 71 case "${x}" in 72 *"#${m}#"*) continue ;; 73 esac 74 kldstat -q -n ${m} || \ 75 (echo "Autoloading module: ${m}"; kldload -n ${m}) 76 done 77 devctl thaw 78} 79 80load_rc_config $name 81 82# doesn't make sense to run in a svcj: privileged operations 83devmatch_svcj="NO" 84 85run_rc_command "$1" 86