i.ataconf revision 7c478bd95313f5f23a4c958a745db2134aa03244
#!/bin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License"). You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
#ident "%Z%%M% %I% %E% SMI"
#
# Copyright 2004 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# Get parameter value from old ata.conf file.
# Syntax: file parameter-name
getval()
{
# Strip all instances of ';' putval() will add exactly one.
sed -n "/^[ ]*[^#]/s/.*$2[ ]*=[ ]*\([^ ;]*\).*/\1/p" $1 \
| head -1
}
# Put old parameter value into new ata.conf file.
# Syntax: file parameter-name value
putval()
{
# If new parameter-value pair, append it to the file.
grep "^[ ]*$2" $1 >/dev/null
if [ $? -eq 0 ]
then
sed "/^[ ]*[^#]/s/\($2[ ]*=[ ]*\)[^ ]*/\1$3;/" \
$1 > /tmp/tmp.$$
mv /tmp/tmp.$$ $1
else
echo "$2=$3;" >>$1
fi
}
while read src dest
do
if [ ! -f $dest ] ; then
# no existing version, just copy in new one
cp $src $dest
else
# Save existing values of the following parameters.
# Copy new ata.conf over current configuration file.
# Restore saved parameters in the new ata.conf file.
#
standby=`getval $dest standby`
drive0_block_factor=`getval $dest drive0_block_factor`
drive1_block_factor=`getval $dest drive1_block_factor`
timing_flags=`getval $dest timing_flags`
cp $src $dest
if [ -n "$standby" ]
then
putval $dest standby $standby
fi
if [ -n "$drive0_block_factor" ]
then
putval $dest drive0_block_factor $drive0_block_factor
fi
if [ -n "$drive1_block_factor" ]
then
putval $dest drive1_block_factor $drive1_block_factor
fi
if [ -n "$timing_flags" ]
then
putval $dest timing_flags $timing_flags
fi
fi
done
exit 0