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#! /bin/bash
###############################################################################
# Conveniently create and set scsi logging level, show SCSI_LOG fields in human
# readable form.
#
# (C) Copyright IBM Corp. 2006
#
# Modified by D. Gilbert to replace the use of sysctl [20080218]
###############################################################################
REVISION="1.0"
SCRIPTNAME="scsi_logging_level"
declare -i LOG_ERROR=0
declare -i LOG_TIMEOUT=0
declare -i LOG_SCAN=0
declare -i LOG_MLQUEUE=0
declare -i LOG_MLCOMPLETE=0
declare -i LOG_LLQUEUE=0
declare -i LOG_LLCOMPLETE=0
declare -i LOG_HLQUEUE=0
declare -i LOG_HLCOMPLETE=0
declare -i LOG_IOCTL=0
declare -i LEVEL=0
SET=0
GET=0
CREATE=0
OPTS=`getopt -o hvcgsa:E:T:S:I:M:L:H: --long \
help,version,create,get,set,all:,error:,timeout:,scan:,ioctl:,\
midlevel:,mlqueue:,mlcomplete:,lowlevel:,llqueue:,llcomplete:,\
highlevel:,hlqueue:,hlcomplete: -n \'$SCRIPTNAME\' -- "$@"`
eval set -- "$OPTS"
# print version info
printversion()
{
cat <>3))
LOG_TIMEOUT=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_SCAN=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_MLQUEUE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_MLCOMPLETE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_LLQUEUE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_LLCOMPLETE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3))
LOG_HLQUEUE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3));
LOG_HLCOMPLETE=$(($LEVEL & 7)); LEVEL=$(($LEVEL>>3));
LOG_IOCTL=$(($LEVEL & 7))
echo "SCSI_LOG_ERROR=$LOG_ERROR"
echo "SCSI_LOG_TIMEOUT=$LOG_TIMEOUT"
echo "SCSI_LOG_SCAN=$LOG_SCAN"
echo "SCSI_LOG_MLQUEUE=$LOG_MLQUEUE"
echo "SCSI_LOG_MLCOMPLETE=$LOG_MLCOMPLETE"
echo "SCSI_LOG_LLQUEUE=$LOG_LLQUEUE"
echo "SCSI_LOG_LLCOMPLETE=$LOG_LLCOMPLETE"
echo "SCSI_LOG_HLQUEUE=$LOG_HLQUEUE"
echo "SCSI_LOG_HLCOMPLETE=$LOG_HLCOMPLETE"
echo "SCSI_LOG_IOCTL=$LOG_IOCTL"
}
set_logging_level()
{
echo "New scsi logging level:"
# sysctl -q -w dev.scsi.logging_level=$LEVEL
echo $LEVEL > /proc/sys/dev/scsi/logging_level
if [ $? != 0 ]
then
echo "$SCRIPTNAME: could not write scsi logging level" \
"(kernel probably without SCSI_LOGGING support)"
exit 1
fi
}
create_logging_level()
{
LEVEL=$(($LOG_IOCTL & 7)); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_HLCOMPLETE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_HLQUEUE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_LLCOMPLETE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_LLQUEUE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_MLCOMPLETE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_MLQUEUE & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_SCAN & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_TIMEOUT & 7))); LEVEL=$(($LEVEL<<3))
LEVEL=$(($LEVEL|($LOG_ERROR & 7)))
}
check_cmdline $*
if [ $SET = "1" ]
then
create_logging_level
set_logging_level
show_logging_level
elif [ $GET = "1" ]
then
get_logging_level
show_logging_level
elif [ $CREATE = "1" ]
then
create_logging_level
show_logging_level
else
invalid_cmdline missing option \'-g\', \'-s\' or \'-c\'
fi