etc-gentoo/init.d/pciparm

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#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
depend() {
before bootmisc hdparm
after localmount
}
checkconfig() {
if [ ! -f /etc/conf.d/pciparm ]; then
ewarn "/etc/conf.d/pciparm does not exist, skipping"
return 1
fi
if [ -z "${PCIPARM_ALL}" -a -z "${PCIPARM_BUS_0}" -a -z "${PCIPARM_VENDOR_0}" ]; then
ewarn "None of PCIPARM_ALL, PCIPARM_BUS_* or PCIPARM_VENDOR_* set in /etc/conf.d/pciparm"
return 1
fi
}
do_setpci() {
#ewarn "do_setpci: /usr/sbin/setpci $SETPCI_OPT $@"
SWITCH=$1
SPEC_ID=$2
shift 2
case "$SWITCH" in
-d) DESC=vendor ;;
-s) DESC=bus ;;
*) eerror "Unknown setpci type: $SWITCH" ; return 1 ;;
esac
if [ -z "$SPEC_ID" ]; then
eerror "Missing device specifier!"
return 1
fi
if [ -z "$*" ]; then
eerror "Missing configuration to set for ($DESC) $SPEC_ID!"
return 1
fi
ebegin "Setting PCI params for ($DESC) $SPEC_ID to $@"
/usr/sbin/setpci $SETPCI_OPT $SWITCH $SPEC_ID "$@"
rc=$?
eend $rc
return $rc
}
do_setpci_array() {
name=$1
shift
i=0
while true; do
eval opt="\$${name}_$i"
# End of loop
[ -z "${opt}" ] && break
# Pass in all other parameters here, in case we want to use multiple
# arguments later.
do_setpci "$@" $opt #|| return 1
i=$(($i+1))
done
}
start() {
if get_bootparam "nopciparm" ; then
ewarn "Skipping pciparm init as requested in kernel cmdline"
return 0
fi
checkconfig || return 1
# We do not exit after any errors presently, because it might be a
# stability-related fix after a failure.
[ -n "$PCIPARM_ALL" ] && \
do_setpci -d '*:*' $PCIPARM_ALL #|| return 1
do_setpci_array PCIPARM_BUS -s #|| return 1
do_setpci_array PCIPARM_VENDOR -d #|| return 1
}