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#!/bin/sh
#==============================================================================
# Copyright IBM Corp. 2003, 2006.
#
# lscss ($Revision: 1.9 $)
#
# Script to generate /proc/subchannels output for kernels beyond 2.4.
# (Designed to work with 2.4 as well.)
#
# Author(s): S. Bader <shbader@de.ibm.com>
#
# This file is part of s390-tools
#
# s390-tools is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# s390-tools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with s390-tools; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#==============================================================================
CMD=$(basename $0)
function PrintUsage() {
cat <<-EOD
Usage: $(basename $0): <options>
<options>
-s|--short
Supress leading "0.0." when printing bus IDs.
-t|--devtype <devtype>[/<model>][,...]
Limit output to devices of the given device
type (e.g. 3390).
--version
Show tools and command version.
EOD
}
function PrintVersion()
{
local TVER=$(echo '$Revision: 1.9 $'|awk '{print $2}')
cat <<-EOD
$CMD: version %S390_TOOLS_VERSION% ($TVER).
Copyright IBM Corp. 2003, 2006.
EOD
}
SHORTID=false
DEVTYPE=""
while [ $# -gt 0 ]; do
case $1 in
-h|--help)
PrintUsage
exit 1
;;
-s|--short)
SHORTID=true;;
-t|--devtype)
DEVTYPE=$2
shift
;;
--version)
PrintVersion
exit 0
;;
-*|--*)
echo "$CMD: Invalid option $1" >&2
echo "Try 'lscss --help' for more information." >&2
exit 1
;;
*)
echo "Invalid argument <$1>" >&2
exit 1
;;
esac
shift
done
function PrintList_SysFS() {
echo "Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs"
echo "----------------------------------------------------------------------"
find $1/bus/css/devices -exec find {}/ -type d \
-mindepth 1 -maxdepth 1 \; 2>/dev/null |
sort -t/ -k6 |
awk -F/ '
function Read(file) {
value = ""
getline value <file
close(file)
return value
}
BEGIN{
SHORTID = ("'$SHORTID'" == "true") ? 1 : 0;
}
{
DEVDIR=$0
CHNDIR=$0
sub(/\/[^/]*$/, "", CHNDIR)
BUSID = $NF
CHNID = $(NF-1)
if (SHORTID) {
sub(/.+[\.:]/, "", BUSID)
sub(/.+[\.:]/, "", CHNID)
}
if (CHNID == "" || BUSID == "")
next
DEVTYPE = Read(DEVDIR "/devtype")
if (DEVTYPE == "n/a")
DEVTYPE = "0000/00"
CUTYPE = Read(DEVDIR "/cutype")
"/online")
if ( "yes" || "1")
else
split(Read(CHNDIR "/pimpampom"), A, " ")
PIMPAMPOM = A[1] " " A[2] " " A[3]
split(Read(CHNDIR "/chpids"), A, " ")
CHPIDS = A[1] A[2] A[3] A[4] " " A[5] A[6] A[7] A[8]
printf("%-8.8s %-8.8s %-7.7s %-7.7s ",
toupper(BUSID),
toupper(CHNID),
toupper(DEVTYPE),
toupper(CUTYPE))
printf("%3.3s %s %s\n",
ONLINE,
toupper(PIMPAMPOM),
toupper(CHPIDS))
}
'
}
SYSFS=true
case $(uname -r|cut -d. -f1-2) in
2.1|2.2|2.3|2.4)
SYSFS=false
;;
*)
if [ "$(cat /proc/filesystems|grep sysfs)" = "" ]; then
SYSFS=false
fi
SYSFSDIR=$(cat /proc/mounts|awk '$3=="sysfs"{print $2; exit}')
if [ "$SYSFSDIR" = "" ]; then
SYSFS=false
fi
;;
esac
if $SYSFS; then
PrintList_SysFS $SYSFSDIR
else
if [ ! -r /proc/subchannels ]; then
echo "ERROR: neither proc nor sysfs interface found!" >&2
exit 1
fi
cat /proc/subchannels
fi | (
if [ "$DEVTYPE" = "" ]; then
cat -
else
awk '
BEGIN{
split(toupper("'$DEVTYPE'"), A, ",")
for(i=1; i in A; i++) {
list[A[i]] = 1
}
}
FNR < 3{
print
next
}
FNR > 2{
split($3, A, "/")
if($3 in list || A[1] in list)
print
}
'
fi
)
exit 0
|