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#!/bin/bash
# Steven Shiau <steven@nchc.org.tw>
# License: GPL
# Description: hwscan can not load the chip module (like piix)... So here we
# use the results scanned from hwscan, then load them.
# Ref: http://lists.suse.com/archive/suse-linux-e/2005-Aug/0782.html
# For SuSE
### BEGIN INIT INFO
# Provides: parse-load-mod-suse
# Required-Start: hwscan boot.coldplug
# Should-Start:
# Required-Stop:
# Default-Start: B
# Default-Stop:
# Description: Load all the modules scanned by hwscan.
### END INIT INFO
parse_and_load_modules() {
MOD_MAP=/lib/modules/`uname -r`/modules.pcimap
pcitable_hwdata="/usr/lib/mkpxeinitrd-net/initrd-skel/etc/pcitable"
mod_list=""
echo -n "Mapping the modules from the results of hwscan and lspci if available..."
# Part 1: use the hwscan results
for ihw in /var/lib/hardware/unique-keys/*; do
echo -n "."
if [ -e "$ihw" ]; then
MOD_TMP="$(mktemp /tmp/mod.XXXXXX)"
grep -E "(^VendorID=|^DeviceID=|^SubVendorID=|^SubDeviceID=)" $ihw > $MOD_TMP
. $MOD_TMP
map_mod="$(grep "0x0000${VendorID} 0x0000${DeviceID}" $MOD_MAP | sort | uniq | cut -d" " -f1)"
for im in $map_mod; do
[ -z "$(echo "$mod_list" | grep $im 2>/dev/null)" ] && mod_list="$mod_list $im"
done
[ -f "$MOD_TMP" ] && rm -f $MOD_TMP
fi
done
echo "done!"
# Part 2: since only PCI devices are in modules.pcimap, for SCSI or others, we
# need to use other method. Borrow the hwdata from RedHat.
if [ -x /usr/lib/mkpxeinitrd-net/initrd-skel/sbin/scan_pci ]; then
mod2_list="$(/usr/lib/mkpxeinitrd-net/initrd-skel/sbin/scan_pci /usr/lib/mkpxeinitrd-net/initrd-skel/etc)"
mod_list="$mod_list $mod2_list"
fi
[ -n "$mod_list" ] && echo "The modules to be loaded: $mod_list"
for imod in $mod_list; do
imod_aform="$(echo $imod | sed -e "s/-/_/g")"
if [ -z "$(lsmod | grep "^$imod_aform")" ]; then
echo -n "Loading $imod..."
modprobe $imod
echo "done!"
else
echo "$imod is already loaded, skip this!"
fi
done
}
case "$1" in
start)
parse_and_load_modules
;;
stop)
# do nothing.
true
;;
*)
echo "Usage: $0 start" >&2
exit 1
;;
esac
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