diff options
Diffstat (limited to 'src/initramfs/scripts/bin/hwautocfg')
| -rwxr-xr-x | src/initramfs/scripts/bin/hwautocfg | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/initramfs/scripts/bin/hwautocfg b/src/initramfs/scripts/bin/hwautocfg new file mode 100755 index 00000000..1f02892e --- /dev/null +++ b/src/initramfs/scripts/bin/hwautocfg @@ -0,0 +1,299 @@ +#!/bin/sh +# Copyright (c) 2003..2006 - RZ Uni Freiburg +# Copyright (c) 2006..2010 - OpenSLX GmbH +# +# This program is free software distributed under the GPL version 2. +# See http://openslx.org/COPYING +# +# If you have any feedback please consult http://openslx.org/feedback and +# send your feedback to feedback@openslx.org +# +# General information about OpenSLX can be found under http://openslx.org +# +# Universal (distro independent) hardware autoconfiguration script for +# OpenSLX linux stateless clients, using SuSE hwinfo for configuration + +############################################################################# +# pre part, load USB modules and start hardware detection pci +base () { +# avoid annoying error messages because of missing scripts +for tool in /usr/sbin/acpidump \ + /usr/bin/udevinfo \ + /sbin/dmraid ; do + testmkd ${tool%/*} + echo -e "#!/bin/sh" >${tool} + chmod u+x ${tool} +done +# no kernel messages, switch on hotplug via /sbin/mdev +echo "0 0 0 0" >/proc/sys/kernel/printk +echo "/sbin/mdev" >/proc/sys/kernel/hotplug +modprobe -a ${MODPRV} usbhid hid-bright 2>/dev/null & +# check from vga= that the traditional framebuffer is needed e.g. for splashy +# get information on the graphics adaptor if bootsplash or xserver plugins are +# present and the new drm/kms infrastructure is present +if strinfile "vga=" /proc/cmdline; then + ( modprobe -a vesafb fbcon 2>/dev/null + hwinfo --gfxcard >/etc/hwinfo.gfxcard ) & +elif [ -e /etc/init-hooks/00-started/xserver.sh -o \ + -e /etc/init-hooks/05--have-kernelvars/bootsplash.sh ] && \ + [ -e /lib/modules/${KERNEL}/kernel/drivers/gpu ]; then + # check for the standard modules (single gpu, multiple connector only) + ( hwinfo --gfxcard >/etc/hwinfo.gfxcard + case $(cat /etc/hwinfo.gfxcard) in + *i915*) + modprobe -a ${MODPRV} i915 2>/dev/null + ;; + *intel*|*Intel*) + modprobe -a ${MODPRV} i810 i830 i915 2>/dev/null + ;; + *nvidia*|*NVidia*|*nouveau*) + modprobe ${MODPRV} nouveau 2>/dev/null + ;; + *radeon*|*Radeon*) + modprobe ${MODPRV} radeon 2>/dev/null + ;; + *mga*|*matrox*|*Matrox*) + modprobe ${MODPRV} mga 2>/dev/null + ;; + *) + modprobe -a ${MODPRV} r128 savage sis tdfx ttm via + ;; + esac + modprobe -a drm fbcon; mdev -s ) & +fi + +# check and then load appropriate network card modules +nwcardlist=$(echo ${slxconf_listnwmod}|sed "s/\ /|/g") +# save results for later info and for Xen plugin when starting Xen VM +hwinfo --netcard --usb-ctrl >/etc/hwinfo.netcard-usbctrl +grep modprobe /etc/hwinfo.netcard-usbctrl | grep -E "$nwcardlist|hcd" | \ + grep -v ehci | sed 's/.* Cmd: "//;s/"//' | sort -u >/etc/modprobe.base +# virtio hack +if [ $(grep -ic "virtio_pci" /etc/modprobe.base) -ge 1 ]; then + echo "modprobe virtio_net" >>/etc/modprobe.base +fi +sh /etc/modprobe.base; mdev -s + +# optimization possible: exclude network and usb base drivers from the +# following list (bios detection for non-hwautocfg component) +( hwinfo --pci >/etc/hwinfo.data; echo "read pci device list at $(sysup)" \ + >/tmp/hwdataready ) & +( usleep 100000 ; hwinfo --bios >/etc/hwinfo.bios ) & +# for mounting partitions/devices with the "auto" option +echo -e "ext3\next2\nreiserfs\nxfs\njfs\next4\nvfat" >/etc/filesystems +# request a local block device for config and root filesystem (lbd://) +if grep -iq '"lbd://' /proc/cmdline /etc/initramfs-setup; then + modprobe -a ${MODPRV} ehci_hcd usb-storage sd_mod + mdev -s +fi +return 0 +} + +############################################################################# +# main part +hwmain () { +# activate the previously detected devices +[ $DEBUGLEVEL -ge 2 ] || modloadbg=" >/dev/null 2>\&1" +# check for rtc if not compiled directly into the kernel +( [ -e /proc/driver/rtc ] || modprobe ${MODPRV} rtc-cmos ) & +waitfor /tmp/hwdataready 10000 +sed '/Driver Info #1/,/Config Status:/d' \ + /etc/hwinfo.data | grep modprobe | sed "s|.* Cmd: \"||;s|\"|$modloadbg|" \ + | sort -u >/etc/modprobe.pci +sh /etc/modprobe.pci +mdev -s + +# bluetooth setup (start it later if present, depends on firmware availa- +# bility, interpreted by servconfig) +#( hwinfo --bluetooth >/etc/hwinfo.bt ) & + +# load harddisk driver and check for harddisk +( grep -q -E "SCSI|SATA" /etc/hwinfo.data && modprobe ${MODPRV} sd_mod + grep -q -E "IDE" /etc/hwinfo.data && modprobe ${MODPRV} ide-disk + hwinfo --disk | sed -n "/Device File: /p" | \ + sed -e "s|.*Device File: /dev/||;s| .*||" >/etc/hwinfo.disk + echo "disk detection finished at $(sysup)" >/tmp/diskready; ) & +[ $DEBUGLEVEL -eq 21 ] && echo "** finished 2nd hwdetection at $(sysup)" + +# load disk/optical high level drivers +modprobe ${MODPRV} ide-cd 2>/dev/null +modprobe ${MODPRV} sr_mod 2>/dev/null +modprobe ${MODPRV} ide-floppy 2>/dev/null +mdev -s + +# load kernel module for ps2 mice and map the mousehandler to /dev/input/mice +( [ -f /lib/modules/${KERNEL}/kernel/drivers/input/mouse/psmouse.ko ] && \ + modprobe ${MODPRV} psmouse + [ -f /lib/modules/${KERNEL}/kernel/drivers/input/mousedev.ko ] && \ + modprobe ${MODPRV} mousedev + testmkd /dev/input + mknod /dev/input/mice c 13 63 2>/dev/null + hwinfo --mouse >/etc/hwinfo.mouse ) & + +# complete the audio configuration and load the dummy module if no audio +# hardware is present in the machine +grep -q -E "Audio|sound" /etc/hwinfo.data || modprobe snd-dummy +modprobe ${MODPRV} snd-pcm-oss +modprobe ${MODPRV} snd-mixer-oss +#ln -s /proc/sound/oss/sndstat /dev/sndstat + +[ $DEBUGLEVEL -eq 21 ] && echo "** finished most of module loading at $(sysup)" + +# scanner setup (fixme: to be checked) +hwinfo --scanner >/etc/hwinfo.scanner +[ -f /tmp/scanner-udev ] && cat /tmp/scanner-udev \ + >>/mnt/etc/udev/rules.d/04-scanner.rules + +# parallel port setup +modprobe ${MODPRV} parport_pc && modprobe ${MODPRV} ppdev + +# if any new device appeared up to now +mdev -s +return 0 +} +############################################################################# +# harddisk partition setup part +disk () { +# get idea of availabe harddisk partitions, put swap partitions into +# (/mnt)/etc/fstab and format and mount partitions of type 44 (unknown) +[ $DEBUGLEVEL -eq 21 ] && echo "** starting hdd stuff at $(sysup)" +waitfor /tmp/diskready 20000 +if [ -s /etc/hwinfo.disk ] ; then + for hd in $(cat /etc/hwinfo.disk) ; do + fdisk -l /dev/$hd|sed -n "/^\/dev\//p" >/etc/disk.partition + for hdpartnr in $(cat /etc/disk.partition | \ + sed -n -e "/ 82 /p"|sed -e "s/[[:space:]].*//") ; do + echo -e "$hdpartnr\tswap\t\tswap\t\tdefaults\t 0 0" >>/tmp/fstab + done + # we use special non assigned partition type (id44) for harddisk scratch + # space, thus no normal filesystem will be incidentally deleted or + # corrupted + for hdpartnr in $(cat /etc/disk.partition | \ + sed -n -e "/ 44 /p"|sed -e "s/[[:space:]].*//") ; do + # check for supported filesystem and formatter + ( if diskfm $hdpartnr ; then + echo "$hdpartnr is mounted to /mnt/tmp at $(sysup)" >/tmp/tmpready + echo -e "$hdpartnr\t/tmp\t\tauto\t\tdefaults\t 0 0" >>/tmp/fstab + else + echo "formatting failed for some reason ($(sysup))" >/tmp/tmpready + fi ) & + part44=yes + break + done + # put detected linux partitions (83) into /etc/fstab with "noauto", + # special partition 45 (persistent scratch) to /var/scratch and 46 + # to /var/openslx + for partid in 83 45 46 ; do + for hdpartnr in $(cat /etc/disk.partition | \ + sed -n -e "/ ${partid} /p"|sed -e "s/[[:space:]].*//") ; do + mkdir -p /mnt/media/${hdpartnr#/dev/*} 2>/dev/null + if [ ${partid} -eq 83 ] ; then + echo -e "$hdpartnr\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto,\ +noexec\t 0 0" >>/tmp/fstab + elif [ ${partid} -eq 45 ] ; then + # if more than one id45 present, the latter ones are simply mounted + # over the previous (the mounts are postponed a bit via do_mnt to + # have the filesystem completely prepared) + echo -e "waitfor ${hdpartnr} 4000\n\ + mount -t auto ${hdpartnr} /mnt/media/${hdpartnr#/dev/*}\n\ + ln -sf /media/${hdpartnr#/dev/*} /mnt/var/scratch" >>/etc/do_mnt + echo -e "${hdpartnr}\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto\ +\t\t 0 0" >>/tmp/fstab + elif [ ${partid} -eq 46 ] ; then + # mount a home directory to (/mnt)/var/home + echo -e "waitfor ${hdpartnr} 4000\n\ + mount -t auto ${hdpartnr} /mnt/media/${hdpartnr#/dev/*} \n\ + test -d /mnt/media/${hdpartnr#/dev/*}/home && \ + ln -sf /media/${hdpartnr#/dev/*} /mnt/var/home" >>/etc/do_mnt + echo -e "${hdpartnr}\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto\ +\t\t 0 0" >>/tmp/fstab + fi + done + done + # add + [ -f /etc/do_mnt ] && sed -e "1i. /etc/functions" -i /etc/do_mnt + done + # determine if tmp preparation should wait for format/mount or not + [ -z "$part44" ] && echo "finished at $(sysup)" >/tmp/tmpready +else + echo "no harddisk found ( $(sysup) )" >/tmp/tmpready +fi +[ $DEBUGLEVEL -eq 21 ] && echo "** finished hdd stuff at $(sysup)" +} + +############################################################################# +# cleanup/finishing part +finish () { +mdev -s +# mount filesystem parts (if any) requested in disk setup +[ -f /etc/do_mnt ] && sh /etc/do_mnt & +# remove unneeded disk and mouse drivers +[ ! -s /etc/hwinfo.disk ] && rmmod sd_mod 2>/dev/null +#grep -q " PS/2 " /etc/hwinfo.mouse || \ +# { rmmod psmouse 2>/dev/null; rm /dev/psaux 2>/dev/null; } +# more sophistication possible :) +# remove /sbin/mdev as not available in stage4 +echo >/proc/sys/kernel/hotplug +return 0 +} + +############################################################################# +# main script starts here + +# functions common for all distros +. /etc/functions +# functions common for all distros, messages contains all error and +# info output +. /etc/messages +# load distro specific configuration variables and functions. distro +# specific functions may overwrite functions defined in /etc/functions +. /etc/distro-functions +# source general slx and initramfs-setup settings +. /etc/slxsystem.conf +. /etc/initramfs-setup + +# script run timer +[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 21 ] && \ + echo "** HW $1 setup started at $(sysup)" + +# heavy debugging output in level 3 and above and specific for 11 +[ $DEBUGLEVEL -gt 3 -a $DEBUGLEVEL -lt 8 -o $DEBUGLEVEL -eq 11 ] && \ + set -x + +case $1 in + # pre initialization: loading USB base and network adaptor modules, + # detection of other pci bus modules + base) + base + ;; + # main part of hardware setup of pci stuff + main) + hwmain + # main script run timer or debug information + [ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 21 ] && \ + echo "** HW main setup finished at $(sysup)" + echo "hwsetup main part finished at $(sysup)" >/tmp/hwcfg + ;; + # disk setup part (detecting general id82,83 and slx id44,45,46, formatting + # if required and mounting) + disk) + # try to enable compressed RAM SWAP + if modprobe ${MODPRV} ramzswap && [ -f /usr/bin/rzscontrol ] ; then + mdev -s + rzscontrol /dev/ramzswap0 --init + swapon /dev/ramzswap0 + #hdswap="# disk swap disabled because of enabled compressed ramswap" + fi + # if disk action is not disabled + if [ "x${hw_local_disk}" != "xno" ] ; then + disk + else + echo "using harddisk switched off by hw_local_disk set to 'no' ( $(sysup) )" \ + >/tmp/tmpready + fi + ;; + # remove unneeded kernel modules + finish) + finish + ;; +esac |