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="$2" 41 42devmatch_start() 43{ 44 local x m list boot_safe 45 46 boot_safe=$(kenv -q boot_safe || echo "NO") 47 checkyesno boot_safe && return 48 49 if [ -n "$one_nomatch" ]; then 50 list=$(devmatch -p "${one_nomatch}" | sort -u) 51 else 52 sysctl hw.bus.devctl_nomatch_enabled=1 > /dev/null 53 list=$(devmatch | sort -u) 54 fi 55 56 [ -n "$list" ] || return 57 58 # While kldload can accept multiple modules on the line at once, we loop 59 # here in case there's some weird error with one of them. We also 60 # optimize against the false positives or drivers that have symbolic 61 # links that confuse devmatch by running it -n. Finally, we filter out 62 # all items in the devmatch_blocklist. 63 # 64 # We strip all the .ko suffixes off so that one may specify modules 65 # with or without .ko. Prior version documented it was without, while 66 # the code required it, so accept both now. devmatch produces module 67 # names with .ko 68 69 devctl freeze 70 x=$(echo "#${devmatch_blocklist:-${devmatch_blacklist}}#$(kenv -q devmatch_blocklist)#" | \ 71 sed -e "s/ /#/g;s/\.ko#/#/g") 72 for m in ${list}; do 73 m="${m%.ko}" 74 case "${x}" in 75 *"#${m}#"*) continue ;; 76 esac 77 kldstat -q -n ${m} || \ 78 (echo "Autoloading module: ${m}"; kldload -n ${m}) 79 done 80 devctl thaw 81} 82 83load_rc_config $name 84 85# doesn't make sense to run in a svcj: privileged operations 86devmatch_svcj="NO" 87 88run_rc_command "$1" 89