freebsd-nq/libexec/rc/rc.d/devmatch
Ceri Davies c43b0081fa devmatch: improve naming of devmatch config variable
Accept the old rc.conf variable if the new one is not present for
compatability.

Approved by:	imp
Differential Revision:	https://reviews.freebsd.org/D30806
2021-06-18 13:17:30 +01:00

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#!/bin/sh
# Copyright (c) 2018 M. Warner Losh <imp@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.
#
# $FreeBSD$
#
# PROVIDE: devmatch
# REQUIRE: kldxref
# BEFORE: netif
# KEYWORD: nojail
. /etc/rc.subr
name="devmatch"
desc="Use devmatch(8) to load kernel modules"
rcvar="${name}_enable"
start_cmd="${name}_start"
stop_cmd=':'
one_nomatch="$2"
devmatch_start()
{
local x m list
if [ -n "$one_nomatch" ]; then
list=$(devmatch -p "${one_nomatch}" | sort -u)
else
list=$(devmatch | sort -u)
fi
[ -n "$list" ] || return
# While kldload can accept multiple modules
# on the line at once, we loop here in case
# there's some weird error with one of them.
# We also optimize against the false positives
# or drivers that have symbolic links that
# confuse devmatch by running it -n.
# Finally, we filter out all items in the
# devmatch_blocklist.
devctl freeze
x=$(echo ${devmatch_blocklist:-${devmatch_blacklist}} | tr ' ' '#')
for m in ${list}; do
case "#${x}#" in
*"#${m}#"*) continue ;;
esac
echo "Autoloading module: ${m}"
kldload -n ${m}
done
devctl thaw
}
load_rc_config $name
run_rc_command "$1"