513 lines
12 KiB
Bash
513 lines
12 KiB
Bash
#!/bin/sh
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#############################################################################
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#
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# ipmi: OpenIPMI Driver helper script
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#
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# Authors: Jan Safranek <jsafrane@redhat.com>
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#
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# Based on IPMI init script by:
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# Matt Domsch <Matt_Domsch@dell.com>
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# Chris Poblete <Chris_Poblete@dell.com>
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#
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# Status return code bits
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# no bits set = no errors
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# bit 0 set = minimum modules aren't loaded
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# bit 1 set = requested feature module isn't loaded
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# bit 2 set = /dev/ipmi0 (or /dev/imb if using that instead) doesn't exist
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# bit 3 set = /dev/watchdog doesn't exist
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# bit 4 set = lockfile doesn't exist
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# bit 5 set = modules are loaded even when asked to be unloaded
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CONFIGFILE=/etc/sysconfig/ipmi
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# source config info
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[ -r ${CONFIGFILE} ] && . ${CONFIGFILE}
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#############################################################################
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# GLOBALS
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#############################################################################
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MODULE_NAME="ipmi"
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INTF_NUM=0
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IPMI_SMB_MODULE_NAME="ipmi_smb"
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IPMI_SI_MODULE_NAME="ipmi_si"
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kernel=`uname -r | cut -d. -f1-2`
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if [ "${kernel}" == "2.4" ]; then
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IPMI_SMB_MODULE_NAME="ipmi_smb_intf"
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IPMI_SI_MODULE_NAME="ipmi_si_drv"
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fi
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MODULES_INTERFACES=""
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[ "${DEV_IPMI}" = "yes" ] && MODULES_INTERFACES="${MODULES_INTERFACES} ipmi_devintf"
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[ "${IPMI_IMB}" = "yes" ] && MODULES_INTERFACES="${MODULES_INTERFACES} ipmi_imb"
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MODULES_FEATURES=""
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[ "${IPMI_WATCHDOG}" = "yes" ] && MODULES_FEATURES="${MODULES_FEATURES} ipmi_watchdog"
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[ "${IPMI_POWEROFF}" = "yes" ] && MODULES_FEATURES="${MODULES_FEATURES} ipmi_poweroff"
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MODULES_HW=""
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[ "${IPMI_SI}" = "yes" ] && MODULES_HW="${MODULES_HW} ${IPMI_SI_MODULE_NAME}"
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[ "${IPMI_SMB}" = "yes" ] && MODULES_HW="${MODULES_HW} ${IPMI_SMB_MODULE_NAME}"
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MODULES_BASE="ipmi_msghandler"
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MODULES="${MODULES_INTERFACES} ${MODULES_FEATURES} ${MODULES_HW} ${MODULES_BASE}"
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RETVAL=0
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LOCKFILE=/var/lock/subsys/ipmi
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DEV_IPMI_TIMEOUT=150
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UDEV_EXISTS=0
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if [ -e /sbin/udev -o -e /sbin/udevd ]; then
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UDEV_EXISTS=1
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fi
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#############################################################################
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# NOTES:
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# * /dev/ipmi0 is unconditionally deleted here on ipmi_devintf unload,
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# because SLES9 and RHEL4 kernels don't send a message for udev to delete
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# it for us.
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#
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#############################################################################
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modules_loaded_verbose()
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{
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OnePlusLoaded=0
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OnePlusUnloaded=0
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for m in $@; do
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if /sbin/lsmod | grep $m >/dev/null 2>&1 ; then
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echo "$m module loaded."
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OnePlusLoaded=1
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else
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echo "$m module not loaded."
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OnePlusUnloaded=1
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fi
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done
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}
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modules_loaded()
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{
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OnePlusLoaded=0
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OnePlusUnloaded=0
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for m in $@; do
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if /sbin/lsmod | grep $m >/dev/null 2>&1 ; then
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OnePlusLoaded=1
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else
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OnePlusUnloaded=1
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fi
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done
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}
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device_node_exists ()
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{
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if [ -e "$1" ]; then
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echo "$1 exists."
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return 1
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fi
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echo "$1 does not exist."
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return 0
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}
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minimum_modules_loaded()
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{
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rc_base=1
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rc_hw=1
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modules_loaded_verbose "${MODULES_BASE}"
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[ ${OnePlusLoaded} -eq 0 ] && rc_base=0
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modules_loaded_verbose "${MODULES_HW}"
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[ ${OnePlusLoaded} -eq 0 ] && rc_hw=0
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return $((rc_base && rc_hw))
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}
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#############################################################################
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load_si()
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{
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if [ "${IPMI_SI}" = "yes" ]; then
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modprobe ${IPMI_SI_MODULE_NAME} > /dev/null 2>&1
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modules_loaded ${IPMI_SI_MODULE_NAME}
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[ ${OnePlusLoaded} -ne 1 ] && RETVAL=$((RETVAL | 1))
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fi
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}
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load_smb()
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{
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if [ "${IPMI_SMB}" = "yes" ]; then
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modprobe ${IPMI_SMB_MODULE_NAME} > /dev/null 2>&1
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modules_loaded ${IPMI_SMB_MODULE_NAME}
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[ ${OnePlusLoaded} -ne 1 ] && RETVAL=$((RETVAL | 1))
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fi
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}
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load_hw_modules()
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{
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load_si
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load_smb
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}
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start_watchdog_common()
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{
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load_hw_modules
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modprobe ipmi_watchdog ${IPMI_WATCHDOG_OPTIONS} > /dev/null 2>&1
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modules_loaded ipmi_watchdog
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[ ${OnePlusUnloaded} -ne 0 ] &&
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RETVAL=$((RETVAL | 2)) &&
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echo "Watchdog startup failed: cannot load ipmi_watchdog module" &&
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return
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if [ ${UDEV_EXISTS} -eq 0 -a ! -e /dev/watchdog ]; then
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mknod -m 0600 /dev/watchdog c 10 130
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[ $? -ne 0 ] &&
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RETVAL=$((RETVAL | 8)) &&
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echo "Watchdog startup failed: cannot create /dev/watchdog" &&
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return
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fi
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}
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start_watchdog_quiet()
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{
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[ "${IPMI_WATCHDOG}" != "yes" ] &&
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return
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start_watchdog_common
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}
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start_watchdog()
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{
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[ "${IPMI_WATCHDOG}" != "yes" ] &&
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RETVAL=$((RETVAL | 2)) &&
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echo "Watchdog not configured" &&
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return
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start_watchdog_common
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}
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stop_watchdog()
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{
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modprobe -q -r ipmi_watchdog > /dev/null 2>&1
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modules_loaded ipmi_watchdog
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if [ ${OnePlusLoaded} -ne 0 ]; then
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RETVAL=$((RETVAL | 32))
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echo "Watchog shutdown failed: cannot unload ipmi_watchdog module"
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else
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if [ "${IPMI_WATCHDOG}" = "yes" ]; then
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[ ${UDEV_EXISTS} -eq 0 ] && rm -f /dev/watchdog
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fi
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fi
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}
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stop_watchdog_quiet()
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{
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modprobe -q -r ipmi_watchdog > /dev/null 2>&1
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modules_loaded ipmi_watchdog
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if [ ${OnePlusLoaded} -ne 0 ]; then
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RETVAL=$((RETVAL | 32))
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else
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if [ "${IPMI_WATCHDOG}" = "yes" ]; then
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[ ${UDEV_EXISTS} -eq 0 ] && rm -f /dev/watchdog
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fi
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fi
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}
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start_powercontrol_common()
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{
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local poweroff_opts=""
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load_hw_modules
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if [ "${IPMI_POWERCYCLE}" == "yes" ]; then
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modinfo ipmi_poweroff 2>/dev/null | grep poweroff_control > /dev/null 2>&1 && \
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poweroff_opts="poweroff_control=2"
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modinfo ipmi_poweroff 2>/dev/null | grep poweroff_powercycle > /dev/null 2>&1 && \
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poweroff_opts="poweroff_powercycle=1"
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fi
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modprobe ipmi_poweroff "${poweroff_opts}" > /dev/null 2>&1
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modules_loaded ipmi_poweroff
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[ ${OnePlusUnloaded} -ne 0 ] &&
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RETVAL=$((RETVAL | 2)) &&
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echo "Powercontroll startup failed: cannot load ipmi_poweroff module" &&
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return
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}
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start_powercontrol_quiet()
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{
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[ "${IPMI_POWEROFF}" != "yes" ] &&
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return
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start_powercontrol_common
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}
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start_powercontrol()
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{
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[ "${IPMI_POWEROFF}" != "yes" ] &&
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RETVAL=$((RETVAL | 2)) &&
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echo "Powercontroll not configured" &&
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return
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start_powercontrol_common
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}
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stop_powercontrol()
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{
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modprobe -q -r ipmi_poweroff > /dev/null 2>&1
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modules_loaded ipmi_poweroff
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if [ ${OnePlusLoaded} -ne 0 ]; then
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RETVAL=$((RETVAL | 32))
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echo "Powercontroll shutdown failed: cannot unload ipmi_poweroff module"
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fi
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}
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stop_powercontrol_quiet()
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{
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modprobe -q -r ipmi_poweroff > /dev/null 2>&1
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modules_loaded ipmi_poweroff
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[ ${OnePlusLoaded} -ne 0 ] && RETVAL=$((RETVAL | 32))
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}
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#############################################################################
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unload_all_ipmi_modules()
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{
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stop_watchdog_quiet
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stop_powercontrol_quiet
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for m in ${MODULES}; do
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modprobe -q -r ${m} > /dev/null 2>&1
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done
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# delete interface node ONLY if ipmi_devintf is unloaded
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[ `lsmod | grep -c "ipmi_devintf"` -eq 0 ] &&
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rm -f "/dev/ipmi${INTF_NUM}"
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}
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unload_ipmi_modules_leave_features()
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{
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for m in ${MODULES_INTERFACES}; do
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modprobe -q -r ${m} > /dev/null 2>&1
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done
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# delete interface node ONLY if ipmi_devintf is unloaded
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[ `lsmod | grep -c "ipmi_devintf"` -eq 0 ] &&
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rm -f "/dev/ipmi${INTF_NUM}"
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lsmod | egrep -q "ipmi_(poweroff|watchdog)" > /dev/null 2>&1
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if [ "$?" -ne "0" ]; then
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stop_watchdog_quiet
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stop_powercontrol_quiet
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for m in ${MODULES}; do
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modprobe -q -r ${m} > /dev/null 2>&1
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done
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fi
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}
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#############################################################################
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load_ipmi_modules ()
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{
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local locdelay
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modprobe ipmi_msghandler > /dev/null 2>&1
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modules_loaded ipmi_msghandler
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[ ${OnePlusLoaded} -ne 1 ] && unload_all_ipmi_modules && RETVAL=$((RETVAL | 1)) && return
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load_hw_modules
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[ $((RETVAL & 1)) -eq 1 ] && unload_all_ipmi_modules && RETVAL=$((RETVAL | 1)) && return
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if [ "${DEV_IPMI}" = "yes" ]; then
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modprobe ipmi_devintf > /dev/null 2>&1
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modules_loaded ipmi_devintf
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RETVAL=$((RETVAL & ~2))
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[ ${OnePlusLoaded} -eq 0 ] && RETVAL=$((RETVAL | 2))
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if [ ${OnePlusLoaded} -eq 1 ]; then
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if [ ${UDEV_EXISTS} -eq 0 ]; then
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DEVMAJOR=`cat /proc/devices | awk '/ipmidev/{print $1}'`
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rm -f /dev/ipmi${INTF_NUM}
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mknod -m 0600 /dev/ipmi${INTF_NUM} c ${DEVMAJOR} 0 || RETVAL=$((RETVAL | 4))
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fi
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# udev can take several seconds to create /dev/ipmi0,
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# but it happens asynchronously, so delay here
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locdelay=${DEV_IPMI_TIMEOUT}
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while [ ! -e /dev/ipmi${INTF_NUM} -a ${locdelay} -gt 0 ]; do
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locdelay=$((locdelay - 1))
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sleep 0.1
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done
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fi
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fi
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if [ "${IPMI_IMB}" = "yes" ]; then
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modprobe ipmi_imb > /dev/null 2>&1
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modules_loaded ipmi_imb
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RETVAL=$((RETVAL & ~2))
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[ ${OnePlusLoaded} -eq 0 ] && RETVAL=$((RETVAL | 2))
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if [ ${OnePlusLoaded} -eq 1 ]; then
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DEVMAJOR=`cat /proc/devices | awk '/imb/{print $1}'`
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rm -f /dev/imb
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mknod -m 0600 /dev/imb c ${DEVMAJOR} 0 || RETVAL=$((RETVAL | 4))
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fi
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fi
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# Per Corey Minyard, essentially no one uses ipmi_radisys
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# and we don't want to encourage its further use
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# so it won't be handled here.
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return
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}
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#############################################################################
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start()
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{
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load_ipmi_modules
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if [ ${RETVAL} -eq 0 ]; then
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touch ${LOCKFILE}
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else
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if [ $((RETVAL & 1)) -eq 1 ]; then
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echo "Startup failed."
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else
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touch ${LOCKFILE} && echo "Warning!?"
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fi
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fi
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start_watchdog_quiet
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start_powercontrol_quiet
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}
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#############################################################################
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stop()
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{
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unload_ipmi_modules_leave_features
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modules_loaded ${MODULES_INTERFACES}
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if [ ${OnePlusLoaded} -ne 0 ]; then
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RETVAL=$((RETVAL | 32))
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echo "Shutdown failed, something may be in use"
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else
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rm -f ${LOCKFILE}
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fi
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}
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stop_all()
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{
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unload_all_ipmi_modules
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modules_loaded ${MODULES}
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if [ ${OnePlusLoaded} -ne 0 ]; then
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RETVAL=$((RETVAL | 32))
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echo "Shutdown failed, something may be in use"
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else
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rm -f ${LOCKFILE}
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fi
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}
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#############################################################################
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restart()
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{
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stop_all
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RETVAL=0
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start
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}
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#############################################################################
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reload()
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{
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stop_all
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RETVAL=0
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start
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}
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#############################################################################
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status_all()
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{
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minimum_modules_loaded
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 1))
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modules_loaded_verbose ${MODULES_FEATURES} ${MODULES_INTERFACES}
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[ ${OnePlusUnloaded} -ne 0 ] && RETVAL=$((RETVAL | 2))
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if [ "${DEV_IPMI}" = "yes" ]; then
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device_node_exists /dev/ipmi${INTF_NUM}
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 4))
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fi
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if [ "${IPMI_IMB}" = "yes" ]; then
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device_node_exists /dev/imb
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 4))
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fi
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if [ "${IPMI_WATCHDOG}" = "yes" ]; then
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device_node_exists /dev/watchdog
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 8))
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fi
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[ ! -e ${LOCKFILE} ] && RETVAL=$((RETVAL | 16))
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}
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status()
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{
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minimum_modules_loaded
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 1))
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if [ "${DEV_IPMI}" = "yes" ]; then
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modules_loaded_verbose ipmi_devintf
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[ ${OnePlusLoaded} -eq 0 ] && RETVAL=$((RETVAL | 2))
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device_node_exists /dev/ipmi${INTF_NUM}
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 4))
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fi
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if [ "${IPMI_IMB}" = "yes" ]; then
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device_node_exists /dev/imb
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 4))
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fi
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}
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status_watchdog()
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{
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minimum_modules_loaded
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 1))
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modules_loaded_verbose ipmi_watchdog
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[ ${OnePlusLoaded} -eq 0 ] && RETVAL=$((RETVAL | 2))
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device_node_exists /dev/watchdog
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 8))
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}
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status_powercontrol()
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{
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minimum_modules_loaded
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[ $? -eq 0 ] && RETVAL=$((RETVAL | 1))
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modules_loaded_verbose ipmi_powercontrol
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[ ${OnePlusLoaded} -eq 0 ] && RETVAL=$((RETVAL | 2))
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}
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#############################################################################
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usage ()
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{
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echo $"Usage: $0 {start|stop|status" 1>&2
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echo $" restart|condrestart|try-restart|reload|force-reload" 1>&2
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echo $" start-watchdog|stop-watchdog|status-watchdog" 1>&2
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echo $" start-powercontrol|stop-powercontrol|status-powercontrol" 1>&2
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echo $" stop-all|status-all}" 1>&2
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RETVAL=2
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}
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condrestart ()
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{
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[ -e ${LOCKFILE} ] && restart
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}
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#############################################################################
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# MAIN
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#############################################################################
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case "$1" in
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start) start ;;
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stop) stop ;;
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restart) restart ;;
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force-reload) reload ;;
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reload) reload ;;
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status) status ;;
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status-all) status_all ;;
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condrestart) condrestart ;;
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try-restart) condrestart ;;
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start-watchdog) start_watchdog ;;
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stop-watchdog) stop_watchdog ;;
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status-watchdog) status_watchdog ;;
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start-powercontrol) start_powercontrol ;;
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stop-powercontrol) stop_powercontrol ;;
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status-powercontrol) status_powercontrol ;;
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stop-all) stop_all ;;
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*) usage ;;
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esac
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exit ${RETVAL}
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#############################################################################
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# end of file
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#############################################################################
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