mirror of
https://github.com/ibm-s390-linux/s390-tools.git
synced 2026-08-05 02:14:52 +00:00
Initial s390-tools-2.0.0 import
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
This commit is contained in:
Michael Holzheu
207
zdev/src/zdev-root-update.zipl
Normal file
207
zdev/src/zdev-root-update.zipl
Normal file
@@ -0,0 +1,207 @@
|
||||
#!/bin/bash
|
||||
#
|
||||
# zdev-root-update
|
||||
# Ensure that the persistent root device configuration is put into effect.
|
||||
# On typical distributions this requires a rebuild of the initial ram disk
|
||||
# and the re-installation of the IPL record referencing the ram disk.
|
||||
#
|
||||
# Parameters:
|
||||
# zdev-root-update <devtype> <devid> [<devtype2> <devid2>...]
|
||||
#
|
||||
# Where <devtype> is the device type as used by chzdev and <devid> is the
|
||||
# ID of the root device.
|
||||
#
|
||||
|
||||
TOOLNAME=$(basename $0)
|
||||
ZIPLCONF=/etc/zipl.conf
|
||||
|
||||
# die MESSAGE
|
||||
# Print MESSAGE on standard error and exit with exit code 1
|
||||
die()
|
||||
{
|
||||
echo "$TOOLNAME: Error: $*" >&2
|
||||
exit 1
|
||||
}
|
||||
|
||||
# add LIST NEW DELIM
|
||||
# Add NEW to DELIM-separated LIST.
|
||||
add()
|
||||
{
|
||||
local LIST="$1"
|
||||
local NEW="$2"
|
||||
local DELIM="$3"
|
||||
|
||||
if [ -z "$LIST" ] ; then
|
||||
echo "$NEW"
|
||||
else
|
||||
echo "$LIST$DELIM$NEW"
|
||||
fi
|
||||
}
|
||||
|
||||
# add LIST NEW DELIM
|
||||
# Add NEW to DELIM-separated LIST unless it is already in list.
|
||||
add_unique()
|
||||
{
|
||||
local LIST="$1"
|
||||
local NEW="$2"
|
||||
local DELIM="$3"
|
||||
local ENTRY
|
||||
local FOUND
|
||||
local IFS="$DELIM"
|
||||
|
||||
FOUND=0
|
||||
for ENTRY in $LIST ; do
|
||||
if [ "$ENTRY" == "$NEW" ] ; then
|
||||
FOUND=1
|
||||
break
|
||||
fi
|
||||
done
|
||||
if [ "$FOUND" -eq 0 ] ; then
|
||||
LIST=$(add "$LIST" "$NEW" "$DELIM")
|
||||
fi
|
||||
|
||||
echo "$LIST"
|
||||
}
|
||||
|
||||
# process CMDLINE
|
||||
# Apply root device settings from globals DASD ZFCP and CIOIGNORE to CMDLINE
|
||||
process_cmdline()
|
||||
{
|
||||
local CMDLINE="$1"
|
||||
local ENTRY
|
||||
local NEW
|
||||
local FOUND_DASD=0
|
||||
local FOUND_ZFCP=0
|
||||
local V
|
||||
local X
|
||||
|
||||
for ENTRY in $CMDLINE ; do
|
||||
K=${ENTRY%%=*}
|
||||
case "$K" in
|
||||
dasd)
|
||||
if [ ! -z "$DASD" ] ; then
|
||||
NEW=$(add "$NEW" "dasd=$DASD" " ")
|
||||
FOUND_DASD=1
|
||||
fi
|
||||
;;
|
||||
zfcp.device)
|
||||
if [ ! -z "$ZFCP" ] ; then
|
||||
NEW=$(add "$NEW" "zfcp.device=$ZFCP" " ")
|
||||
FOUND_ZFCP=1
|
||||
fi
|
||||
;;
|
||||
cio_ignore)
|
||||
V=${ENTRY#*=}
|
||||
for X in $CIOIGNORE ; do
|
||||
V=$(add_unique "$V" "$X" ",")
|
||||
done
|
||||
NEW=$(add "$NEW" "cio_ignore=$V" " ")
|
||||
;;
|
||||
*)
|
||||
NEW=$(add "$NEW" "$ENTRY" " ")
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
if [ "$FOUND_DASD" -eq 0 -a ! -z "$DASD" ] ; then
|
||||
NEW=$(add "$NEW" "dasd=$DASD" " ")
|
||||
fi
|
||||
if [ "$FOUND_ZFCP" -eq 0 -a ! -z "$ZFCP" ] ; then
|
||||
NEW=$(add "$NEW" "zfcp.device=$ZFCP" " ")
|
||||
fi
|
||||
|
||||
echo "$NEW"
|
||||
}
|
||||
|
||||
# process_file FILENAME
|
||||
# Apply root device settings from globals DASD ZFCP and CIOIGNORE to kernel
|
||||
# command line found in file FILENAME
|
||||
process_file()
|
||||
{
|
||||
local FILENAME=$1
|
||||
local CMDLINE
|
||||
|
||||
CMDLINE=$(cat $FILENAME)
|
||||
CMDLINE=$(process_cmdline "$CMDLINE")
|
||||
if ! echo $CMDLINE > "$FILENAME" ; then
|
||||
die "Could not write to $FILENAME"
|
||||
fi
|
||||
}
|
||||
|
||||
# Build dasd= zfcp.device= and cio_ignore= parameter values
|
||||
DASD=
|
||||
ZFCP=
|
||||
CIOIGNORE=
|
||||
while [ $# -gt 0 ] ; do
|
||||
TYPE=$1
|
||||
ID=$2
|
||||
if [ -z "$TYPE" -o -z "$ID" ] ; then
|
||||
die "Incomplete parameters: $*"
|
||||
fi
|
||||
case $TYPE in
|
||||
dasd-*)
|
||||
DASD=$(add "$DASD" "$ID" ",")
|
||||
CIOIGNORE=$(add "$CIOIGNORE" "!$ID" " ")
|
||||
;;
|
||||
zfcp-lun)
|
||||
if [ ! -z "$ZFCP" ] ; then
|
||||
die "Too many zFCP SCSI devices used for root device"
|
||||
fi
|
||||
ZFCP=$(echo $ID | sed -e 's/:/,/g')
|
||||
FCPDEV=$(echo $ID | cut -d: -f1)
|
||||
CIOIGNORE=$(add "$CIOIGNORE" "!$FCPDEV" " ")
|
||||
;;
|
||||
*)
|
||||
die "Unsupported root device type: $TYPE"
|
||||
;;
|
||||
esac
|
||||
shift 2
|
||||
done
|
||||
|
||||
if [ -z "$DASD" -a -z "$ZFCP" ] ; then
|
||||
die "No root device specified"
|
||||
fi
|
||||
|
||||
if [ ! -r "$ZIPLCONF" ] ; then
|
||||
die "Could not read $ZIPLCONF"
|
||||
fi
|
||||
|
||||
# Create new zipl.conf file
|
||||
echo "Updating $ZIPLCONF"
|
||||
TMPFILE=$(mktemp zdev-zipl.conf.XXX)
|
||||
[ $? -ne 0 ] && die "Could not create temporary file"
|
||||
while read LINE ; do
|
||||
OKEY=${LINE%%=*}
|
||||
KEY=$(echo $OKEY)
|
||||
case "$KEY" in
|
||||
parameters)
|
||||
V=$(echo ${LINE#*=} | sed -e 's/^"//' -e 's/"$//')
|
||||
V=$(process_cmdline "$V")
|
||||
echo "$OKEY=\"$V\""
|
||||
;;
|
||||
parmfile)
|
||||
V=$(echo ${LINE#*=} | sed -e 's/^"//' -e 's/"$//')
|
||||
process_file "$V"
|
||||
echo "$LINE"
|
||||
;;
|
||||
*)
|
||||
echo "$LINE"
|
||||
;;
|
||||
esac
|
||||
done < "$ZIPLCONF" >"$TMPFILE"
|
||||
|
||||
|
||||
# Swap new and old zipl.conf file
|
||||
if ! mv "$ZIPLCONF" "${ZIPLCONF}.old" ; then
|
||||
die "Could not rename $ZIPLCONF to ${ZIPLCONF}.old"
|
||||
fi
|
||||
if ! mv $TMPFILE $ZIPLCONF ; then
|
||||
die "Could not rename $TMPFILE to $ZIPCONF"
|
||||
fi
|
||||
rm -f "${ZIPLCONF}.old"
|
||||
|
||||
# Install IPL loader
|
||||
echo "Installing IPL record"
|
||||
if ! zipl --noninteractive ; then
|
||||
die "Could not install IPL record"
|
||||
fi
|
||||
Reference in New Issue
Block a user