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1995-08-09
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9KB
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314 lines
:
# (C) 1989-1990 The Santa Cruz Operation, Inc. All Rights
# Reserved. The user has unlimited right to use, modify
# and incorporate this code into other products provided
# it is used with SCO products and the user includes
# this notice and the associated copyright notices with
# any such application.
# This is a script for removing an LLI driver using netconfig
#
# The name it is called with will cause different operation.
# e3A0 e3A1 e3A2 e3A3 == 3Com501 boards 0 - 3
# e3B0 ..... e3B3 == 3Com503 boards 0 - 3
# e3C0 ..... e3C3 == 3Com523 boards 0 - 3
# wdn0 ..... wdn3 == Western Digital boards 0 - 3
# d22e0..... d22e3 == D-Link DE-220 boards 0 - 3
# tok0 tok1 == Token Ring Adapter 0, 1
LIB=/usr/lib/lli
CONF=/etc/conf
PATH=/bin:/usr/bin:/etc/:$CONF/bin:$LIB
#
# Set possible return codes for this script
#
OK=0; FAIL=1; RELINK=2; DRIVERINUSE=3;
#
# prompt the user to answer a yes no question or 'q' to quit
# Usage:
# prompt_yn "Message" default
prompt_yn() {
mesg=$1
default=$2
while :
do
echo "${mesg} (y/n) [${default}] : \c"
read result
case $result in
y|Y) result="Y"; return $OK;;
n|N) result="N"; return $OK;;
"") result=`echo $default | tr "yn" "YN"`; return $OK;;
esac
echo "Illegal value, please type 'y' 'n' or 'q'"
done
}
#
# Fake up an mdevice and an sdevice for idcheck
#
makedevs() {
rm -fr /tmp/dev$$
mkdir /tmp/dev$$
cd /etc/conf/cf.d
cp mdevice /tmp/dev$$
cd ../sdevice.d
cat * > /tmp/dev$$/sdevice
}
# cleanup removes stuff and exits - if $1 = $DRIVERINUSE, exits value is $2
cleanup() {
tmp=$1
if [ $tmp -ne $DRIVERINUSE ]
then
# disallow configuring greater than board zero
netconfigdir=/usr/lib/netconfig
nextbd=`expr $bd + 1`
rm ${netconfigdir}/info/${drv}${nextbd} > /dev/null 2>&1
rm ${netconfigdir}/init/${drv}${nextbd} > /dev/null 2>&1
rm ${netconfigdir}/remove/${drv}${nextbd} > /dev/null 2>&1
else
tmp=$2
fi
cd /
rm -fr /tmp/dev$$
rm -fr /tmp/$base
exit $tmp
}
system_e3A() {
# decrement the 2k block buffers for cleanliness
awk '/^NBLK2048/ {
OLD=$2-8
printf "%s\t%s\n",$1,OLD
next
}
{ print } ' < /etc/conf/cf.d/stune > /tmp/bog$$
mv /tmp/bog$$ /etc/conf/cf.d/stune
}
#
# function to remove address conflicts in the sio driver
#
sio_conflict() {
currdir=`pwd`
cd /etc/conf/pack.d/sio
if [ "$BIO" != "0" ]
then
grep "/* LLI {.*$BIO" space.c > /dev/null && {
echo "Restoring serial cards using base address 0x$BIO into link kit..."
sed -e /"LLI.*$BIO,/s/^\/\* LLI //" space.c >/tmp/bog$$
if [ "$base" = "tok0" ]
then
sed -e /"ibm COM3/s/^\/\* LLI //" /tmp/bog$$ >/tmp/foo$$
mv /tmp/foo$$ /tmp/bog$$
fi
mv /tmp/bog$$ space.c
}
fi
cd $currdir
}
#
# function to produce the information for the System file for the token ring
#
# if tcp is installed we remove the board from /etc/tcp and /etc/strcf
#
cleantcp() {
driver=$1
[ -f /etc/tcp ] && {
sed "/$driver/d" /etc/tcp > /tmp/bog$$
cp /tmp/bog$$ /etc/tcp
}
[ -f /etc/strcf ] && {
sed "/$driver/d" /etc/strcf > /tmp/bog$$
cp /tmp/bog$$ /etc/strcf
}
rm -f /tmp/bog$$
}
# restorevector check for sio (vecs 3-4) and pa drivers (vec 7)
# if these are being released by lli then let us restore them to sio or pa
restorevector() {
currdir=`pwd`
cd /etc/conf/cf.d
intvector=$1
test="0"
[ "$intvector" = "3" ] && test="1"
[ "$intvector" = "4" ] && test="1"
if [ "$test" = "1" ]
then
prompt_yn "Restore vector $intvector to sio driver" y
[ "$result" = "Y" ] && {
echo "Restoring vector $intvector to sio driver"
siomajor=`./configure -j sio`
./configure -m $siomajor -c -v $intvector -a -Y
return $OK
}
fi
test="0"
[ "$intvector" = "7" ] && test="1"
if [ "$test" = "1" ]
then
prompt_yn "Restore vector $intvector to pa driver" y
[ "$result" = "Y" ] && {
echo "Restoring vector $intvector to pa driver"
pamajor=`./configure -j pa`
./configure -m $pamajor -c -v $intvector -a -Y
return $OK
}
fi
return $OK
}
# main()
#
#
# get the name of the init script being run, since one script
# is used for multiple drivers; get the number at the end of the
# script's name
#
if [ $# -gt 1 ]
then
name_below=$1; if_below=$2
name_above=$3; if_above=$4
fi
base=`basename $0`
drv=`echo $base | sed -e 's/[0-9]*$//`
bd=`expr $base : '.*\(.\)'`
case $drv in
e3A) PREFIX="e3c";;
e3B) PREFIX="e503";;
e3C) PREFIX="emc";;
e3D) PREFIX="e3d";;
wdn) PREFIX="wdn";;
wdt) PREFIX="wdt";;
son) PREFIX="son";;
d22e) PREFIX="d22e";;
d51e) PREFIX="d51e";;
nat) PREFIX="nat";;
tok) PREFIX="tok";;
exos) PREFIX="exos";;
hpi) PREFIX="hpi";;
hpe) PREFIX="hpe";;
i3B) PREFIX="i3B";;
i6E) PREFIX="i6E";;
*) echo "ERROR: Unknown LLI driver being configured ($name$bd)";
cleanup $FAIL;
;;
esac
echo "NODE=/etc/conf/node.d/$base" >/tmp/$base.src
chmod 777 /tmp/$base.src
#
# check to see if the driver is already in the kernel link-kit so we can
# either add it or update it later on
#
makedevs
idcheck -p $base
if [ $? -gt 16 ]
then
installed="TRUE"
else
installed="FALSE"
fi
if [ "$installed" = "FALSE" ]
then
cleanup $OK
fi
#
# Check and Manage our internal chains file.
#
# if our board (base) is not in the chain then we always remove the board
# if our board is in the chain then we check for the chain and remove it.
# if after our chain is removed from the chains file the board is still there
# then we do not remove it.
#
chains=/usr/lib/lli/chains
chain=$base:$name_above
if grep $base: $chains > /dev/null 2>& 1
then
grep $chain $chains > /dev/null 2>& 1 || {
cleanup $OK
}
# remove our chain
awk '{
if ($1 == CHAIN && found != 1) {
found = 1
next
}
print $0
}' CHAIN=$chain < $chains > /tmp/bog$$
cp /tmp/bog$$ $chains
rm -f /tmp/bog$$
# Check if it is there in another chain
grep $base: $chains > /dev/null 2>& 1 && {
cleanup $DRIVERINUSE $OK
}
else
cleanup $OK
fi
echo "Removing $base..."
# Check if we are board zero that no other boards of this type are configured
[ "$bd" -eq "0" ] && {
grep ${drv}[1-3] $chains > /dev/null 2>& 1 && {
echo "Warning, You are removing board 0 before other boards"
echo "You must remove the other $drv boards next"
echo "or your link-kit will be left in an invalid state"
}
}
#
# Do board dependent processing
#
case $drv in
e3A) system_e3A $bd;;
esac
#if [ $bd -gt 0 ]
#then
# idinstall -d -e $base
# cleanup $RELINK
#fi
# get the interrupt vector for the board that we are removing
cd /etc/conf/sdevice.d
ivec=`awk '{ if ( $1 != "*" ) print $6 }' < $base`
BIO=`awk '{ if ( $1 != "*" ) print $7 }' < $base`
cd /tmp; rm -rf $base
mkdir $base; cd $base
echo "${base}\tN\t1\t5\t1\t9\t0\t0\t0\t0" >System
if [ $bd -gt 0 ]
then
echo "$base - iScH $PREFIX$bd 0 0 1 256 -1" >./Master
else
cp $LIB/${drv}/Master ./Master
fi
idinstall -u -e -s -m $base
# restore sio space.c file
sio_conflict
cleantcp $base
restorevector $ivec
# Check to see if driver for next board is configured
grep ${drv}`expr ${bd} + 1`: $chains > /dev/null 2>& 1 && {
cleanup $DRIVERINUSE $RELINK
}
cleanup $RELINK