path: root/initramfs/stage3-stuff/bin/hwautocfg

#!/bin/ash
# Copyright (c) 2003..2006 - RZ Uni Freiburg
# Copyright (c) 2006..2008 - 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 ${tool%/*}
              echo -e "#!/bin/ash" >${tool}
              chmod u+x ${tool}
done
# no kernel messages
echo "0 0 0 0" >/proc/sys/kernel/printk
modprobe ${MODPRV} usbhid &
nwcardlist=$(echo ${slxconf_listnwmod}|sed "s/\ /|/g")
hwinfo --netcard --usb-ctrl | grep modprobe | grep -E "$nwcardlist|hcd" | \
  grep -v ehci | sed 's/.* Cmd: "//;s/"//' | sort -u >/etc/modprobe.base
ash /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; hwinfo --bios >/etc/hwinfo.bios ) &
return 0
}

#############################################################################
# main part
hwmain () {
# activate the previously detected devices
[ $DEBUGLEVEL -ge 2 ] || modloadbg=" >/dev/null 2>\&1"
sed '/Driver Info #1/,/Config Status:/d' \
  /etc/hwinfo.data | grep modprobe | sed "s|.* Cmd: \"||;s|\"|$modloadbg|" \
    | sort -u >/etc/modprobe.pci
ash /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 "IDE|SCSI" /etc/hwinfo.data && modprobe ${MODPRV} sd_mod
  hwinfo --disk | sed -n "/Device File: /p" | sed "s|.*Device File: /dev/||" \
    >/etc/hwinfo.disk; ) &
[ $DEBUGLEVEL -eq 21 ] && echo "** finished 2nd hwdetection at $(sysup)"

# load disk/optical high level drivers
modprobe ${MODPRV} ide-cd
modprobe ${MODPRV} sr_mod
modprobe ${MODPRV} ide-floppy
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

[ $DEBUGLEVEL -eq 21 ] && echo "** finished most of module loading at $(sysup)"

# 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 /etc/hwinfo.disk 10000
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 into /etc/fstab with "noauto"
  for hdpartnr in $(cat /etc/disk.partition | \
        sed -n -e "/ 83 /p"|sed -e "s/[[:space:]].*//") ; do
    mkdir -p /mnt/media/${hdpartnr#/dev/*} 2>/dev/null
    echo -e "$hdpartnr\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto,\
noexec\t 0 0" >>/tmp/fstab
  done 
done
# determine if tmp preparation should wait for format/mount or not
[ -z "$part44" ] && echo "finished at $(sysup)" >/tmp/tmpready
else
  echo "no disk found ( $(sysup) )" >/tmp/tmpready
fi
[ $DEBUGLEVEL -eq 21 ] && echo "** finished hdd stuff 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

# if any new device appeared up to now
mdev -s
return 0
}

#############################################################################
# cleanup/finishing part
finish () {
# remove unneeded disk and mouse drivers
[ ! -s /etc/hwinfo.disk ] && rmmod sd_mod 2>/dev/null
grep -q -i "/dev/psaux" || rmmod psmouse 2>/dev/null
# more sophistication possible :)
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 settings
. /etc/slxsystem.conf

# 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 including Xorg
  main)
    hwmain
    # main script run timer or debug information
    [ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 21 ] && \
      echo "** HW setup finished at $(sysup)"
    echo "hwsetup finished at $(sysup)" >/tmp/hwcfg
  ;;
  # remove unneeded kernel modules
  finish)
    finish
  ;;
esac