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#!/sbin/runscript
#
# dellomsa-drivers
#
# Dell OMSA driver module loading script
#
# This script takes care of loading correct driver modules
# (if available) for the OpenManage Server Administrator.
# It checks that the server really is Dell and finds out
# which environment driver to load (dcdesm/dcdtvm/dcdipm).
# Module "dcdbas" is the base module and is always loaded.
# This script also creates necessary devices nodes in /dev.
#
OMSADIR=/opt/dell/srvadmin
depend() {
use logger net
}
checkconfig() {
if [ ! -d ${OMSADIR} ]; then
eerror "Directory ${OMSADIR} does not exist"
return 1
fi
if [ ! -x ${OMSADIR}/hapi/bin/dchcfg32 ]; then
eerror "File ${OMSADIR}/hapi/bin/dchcfg32 does not exist"
return 1
fi
if [ ! -x ${OMSADIR}/omil/prereqcheck/sysreport ]; then
eerror "File ${OMSADIR}/omil/prereqcheck/sysreport does not exist"
return 1
fi
}
checkmodules() {
# check that the system is Dell (output contains "System ID" if Dell)
${OMSADIR}/omil/prereqcheck/sysreport | grep -q "System ID" && true
if [ $? -ne 0 ]; then
eerror "Non-Dell system, not loading drivers."
return 1
fi
# get the running kernel version
KVER=`/bin/uname -r`
# check that the modules exist
MODULESMISSING=0
MODULES="dcdbas dcdtvm dcdesm dcdipm"
for MODULE in ${MODULES}; do
if [ ! -f /lib/modules/${KVER}/extra/${MODULE}.ko ]; then
# some of the modules are missing
eerror "driver modules unavailable for ${KVER}"
return 1
fi
done
}
loadmodules() {
ebegin "Loading base dell module"
# first load the base module "dcdbas"
/sbin/modprobe dcdbas
eend $?
# check that dcdbas is now listed in /proc/devices
grep -q dcdbas /proc/devices && true
if [ $? -ne 0 ]; then
eerror "Error! Something is really wrong: dcdbas module was loaded"
eerror "successfully, but dcdbas is not listed in /proc/devices!"
return 1
fi
# re-create required device nodes in /dev
# base device node is always re-created
EsmBASDevMAJOR=`grep dcdbas /proc/devices | awk '{print $1}'`
if [ -e /dev/EsmBASDev0 ]; then # /dev/EsmBASDev exists
rm -f /dev/EsmBASDev0
fi
mknod -m 0600 /dev/EsmBASDev0 c ${EsmBASDevMAJOR} 0
ln -sf /dev/EsmBASDev0 /dev/EsmBASDev
# find out which environment module to use (dcdesm|dcdtvm|dcdipm)
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${OMSADIR}/hapi/bin/
${OMSADIR}/hapi/bin/dchcfg32 command=getsystype >/dev/null 2>&1 && true
case "$?" in
1) # TVM
ebegin "Loading [TVM]"
/sbin/modprobe dcdtvm
EsmTVMDevMAJOR=`grep dcdtvm /proc/devices | awk '{print $1}'`
if [ -e /dev/EsmTVMDev0 ]; then # /dev/EsmTVMDev exists
rm -f /dev/EsmTVMDev0
fi
mknod -m 0600 /dev/EsmTVMDev0 c ${EsmTVMDevMAJOR} 0
ln -sf /dev/EsmTVMDev0 /dev/EsmTVMDev
eend $?
;;
2) # ESM
ebegin "Loading [ESM]"
/sbin/modprobe dcdesm
EsmESMDevMAJOR=`grep dcdesm /proc/devices | awk '{print $1}'`
if [ -e /dev/EsmESM2Dev0 ]; then # /dev/EsmESM2Dev exists
rm -f /dev/EsmESM2Dev0
fi
mknod -m 0600 /dev/EsmESM2Dev0 c ${EsmESMDevMAJOR} 0
ln -sf /dev/EsmESM2Dev0 /dev/EsmESM2Dev
eend $?
;;
4) # IPMI
ebegin "Loading [IPMI]"
/sbin/modprobe dcdipm
EsmIPMDevMAJOR=`grep dcdipm /proc/devices | awk '{print $1}'`
if [ -e /dev/EsmIPMDev0 ]; then # /dev/EsmIPMDev exists
rm -f /dev/EsmIPMDev0
fi
mknod -m 0600 /dev/EsmIPMDev0 c ${EsmIPMDevMAJOR} 0
ln -sf /dev/EsmIPMDev0 /dev/EsmIPMDev
eend $?
;;
*) # unknown or none
einfo "unknown env. platform, env. driver not loaded."
;;
esac
}
start(){
checkconfig || return 1
checkmodules || return 1
loadmodules
}
stop() {
ebegin "Unloading dell drivers"
/sbin/rmmod dcdtvm >/dev/null 2>&1 && true
/sbin/rmmod dcdesm >/dev/null 2>&1 && true
/sbin/rmmod dcdipm >/dev/null 2>&1 && true
/sbin/rmmod dcdbas >/dev/null 2>&1 && true
eend $?
}
|
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