From a3c00dd78287cc5d9f725478eb9a8ad8bf495f7f Mon Sep 17 00:00:00 2001 From: paavaanan Date: Fri, 3 Jan 2020 04:32:01 -0500 Subject: [PATCH] DellEMC S6000 fancontrol support --- .../debian/platform-modules-s6000.install | 2 + .../debian/platform-modules-s6000.postinst | 5 + .../s6000/scripts/fancontrol.sh | 189 ++++++++++++++++++ .../s6000/systemd/fancontrol.service | 13 ++ 4 files changed, 209 insertions(+) create mode 100755 platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh create mode 100644 platform/broadcom/sonic-platform-modules-dell/s6000/systemd/fancontrol.service diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.install b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.install index c2dcb5dc03a9..f662e751a3f8 100644 --- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.install +++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.install @@ -1,6 +1,8 @@ s6000/scripts/s6000_platform.sh usr/local/bin s6000/scripts/reset-qsfp usr/local/bin s6000/scripts/set-fan-speed usr/local/bin +s6000/scripts/fancontrol.sh usr/local/bin s6000/systemd/platform-modules-s6000.service etc/systemd/system +s6000/systemd/fancontrol.service etc/systemd/system common/io_rd_wr.py usr/local/bin s6000/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_s6000_s1220-r0 diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.postinst b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.postinst index a9b90fa86f3a..052e5a6f574e 100644 --- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.postinst +++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6000.postinst @@ -4,4 +4,9 @@ depmod -a systemctl enable platform-modules-s6000.service systemctl start platform-modules-s6000.service + +systemctl enable fancontrol.service +systemctl start fancontrol.service + + #DEBHELPER# diff --git a/platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh b/platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh new file mode 100755 index 000000000000..43315e06c930 --- /dev/null +++ b/platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh @@ -0,0 +1,189 @@ +#!/bin/bash + +LEVEL=99 +INTERVAL=5 +FAULTY_FANTRAY1=1 +FAULTY_FANTRAY2=1 +FAULTY_FANTRAY3=1 + +# FAN RPM Speed +IDLE=7000 +LEVEL1=10000 +LEVEL2=13000 +LEVEL3=16000 +LEVEL4=19000 +LEVEL5=19000 + +I2C_ADAPTER="/sys/class/i2c-adapter/i2c-2/i2c-11" +SENSOR1="$I2C_ADAPTER/11-004c/hwmon/hwmon*/temp1_input" +SENSOR2="$I2C_ADAPTER/11-004d/hwmon/hwmon*/temp1_input" +SENSOR3="$I2C_ADAPTER/11-004e/hwmon/hwmon*/temp1_input" + +# Three fan trays with each contains two separate fans +# fan1-fan4 fan2-fan5 fan3-fan6 +FANTRAY1_FAN1=$I2C_ADAPTER/11-0029/fan1_target +FANTRAY1_FAN2=$I2C_ADAPTER/11-0029/fan2_target +FANTRAY2_FAN1=$I2C_ADAPTER/11-0029/fan3_target +FANTRAY2_FAN2=$I2C_ADAPTER/11-0029/fan4_target +FANTRAY3_FAN1=$I2C_ADAPTER/11-002a/fan1_target +FANTRAY3_FAN2=$I2C_ADAPTER/11-002a/fan2_target + +FANTRAY1_FAN1_RPM=$I2C_ADAPTER/11-0029/fan1_input +FANTRAY1_FAN2_RPM=$I2C_ADAPTER/11-0029/fan2_input +FANTRAY2_FAN1_RPM=$I2C_ADAPTER/11-0029/fan3_input +FANTRAY2_FAN2_RPM=$I2C_ADAPTER/11-0029/fan4_input +FANTRAY3_FAN1_RPM=$I2C_ADAPTER/11-002a/fan1_input +FANTRAY3_FAN2_RPM=$I2C_ADAPTER/11-002a/fan2_input + +function check_module +{ + MODULE=$1 + lsmod | grep "$MODULE" > /dev/null + ret=$? + if [[ $ret = "1" ]]; then + echo "$MODULE is not loaded!" + exit 1 + fi +} + +function check_faulty_fan +{ + + # Assume fans in FanTray spins less than 1000 RPM is faulty. + # To Maintain temperature assign max speed 16200 RPM to all other fans. + # This RPM speed handle temperature upto 75C degrees + + fan1=$(cat $FANTRAY1_FAN1_RPM) + fan2=$(cat $FANTRAY1_FAN2_RPM) + fan3=$(cat $FANTRAY2_FAN1_RPM) + fan4=$(cat $FANTRAY2_FAN2_RPM) + fan5=$(cat $FANTRAY3_FAN1_RPM) + fan6=$(cat $FANTRAY3_FAN2_RPM) + + # FanTray1 + if [ "$fan1" -le "1000" ] || [ "$fan2" -le "1000" ]; then + + # First time detecting failure + if [ $FAULTY_FANTRAY1 -lt "2" ]; then + FAULTY_FANTRAY1=2 + /usr/local/bin/set-fan-speed 16200 2 > /dev/null + logger "Faulty Fans in Fantray1 $fan1 $fan2 Please check." + fi + + elif [ "$fan1" -ge "1000" ] || [ "$fan2" -ge "1000" ]; then + FAULTY_FANTRAY1=0 + fi + + + # FanTray2 + if [ "$fan3" -le "1000" ] || [ "$fan4" -le "1000" ]; then + + # First time detecting failure + if [ $FAULTY_FANTRAY2 -lt "2" ]; then + + FAULTY_FANTRAY2=2 + /usr/local/bin/set-fan-speed 16200 2 > /dev/null + logger "Faulty Fans in FanTray2: $fan3 $fan4. Please check." + fi + + elif [ "$fan3" -ge "1000" ] || [ "$fan4" -ge "1000" ]; then + FAULTY_FANTRAY2=0 + fi + + # FanTray3 + if [ "$fan5" -le "1000" ] || [ "$fan6" -le "1000" ]; then + + # First time detecting failure + if [ $FAULTY_FANTRAY3 -lt "2" ]; then + + FAULTY_FANTRAY3=2 + /usr/local/bin/set-fan-speed 16200 2 > /dev/null + logger "FanTray3 Fans are Faulty.. $fan5 $fan6. Please check." + fi + + elif [ "$fan5" -ge "1000" ] || [ "$fan6" -ge "1000" ]; then + + FAULTY_FANTRAY3=0 + fi + +} + +function update_fan_speed +{ + local fan_speed=$1 + + echo $fan_speed > $FANTRAY1_FAN1 + echo $fan_speed > $FANTRAY1_FAN2 + echo $fan_speed > $FANTRAY2_FAN1 + echo $fan_speed > $FANTRAY2_FAN2 + echo $fan_speed > $FANTRAY3_FAN1 + echo $fan_speed > $FANTRAY3_FAN2 + +} + +function monitor_temp_sensors +{ + + while true # go through all temp sensor outputs + do + sensor1=$(expr `echo $(cat $SENSOR1)` / 1000) + sensor2=$(expr `echo $(cat $SENSOR2)` / 1000) + sensor3=$(expr `echo $(cat $SENSOR3)` / 1000) + sum=$(($sensor1 + $sensor2 + $sensor3)) + sensor_temp=$(($sum/3)) + + if [ "$sensor_temp" -le "25" ] && [ "$LEVEL" -ne "0" ] + then + # Set Fan Speed to 7000 RPM" + LEVEL=0 + update_fan_speed $IDLE + logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature" + + elif [ "$sensor_temp" -ge "26" ] && [ "$sensor_temp" -le "44" ] && [ "$LEVEL" -ne "1" ] + then + # Set Fan Speed to 10000 RPM" + LEVEL=1 + update_fan_speed $LEVEL1 + logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature" + + elif [ "$sensor_temp" -ge "45" ] && [ "$sensor_temp" -le "59" ] && [ "$LEVEL" -ne "2" ] + then + # Set Fan Speed to 13000 RPM" + LEVEL=2 + update_fan_speed $LEVEL2 + logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature" + + elif [ "$sensor_temp" -ge "60" ] && [ "$sensor_temp" -le "79" ] && [ "$LEVEL" -ne "3" ] + then + # Set Fan Speed to 16000 RPM" + LEVEL=3 + update_fan_speed $LEVEL3 + logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature" + + elif [ "$sensor_temp" -ge "80" ] && [ "$LEVEL" -ne "4" ] + then + # Set Fan Speed to 19000 RPM" + LEVEL=4 + update_fan_speed $LEVEL4 + logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature" + fi + + # Check for faulty fan + check_faulty_fan + + done + +} + +# Check drivers for sysfs attributes +check_module "dell_s6000_platform" +check_module "max6620" + +# main loop calling the main function at specified intervals +while true +do + monitor_temp_sensors + # Sleep while still handling signals + sleep $INTERVAL & + wait +done diff --git a/platform/broadcom/sonic-platform-modules-dell/s6000/systemd/fancontrol.service b/platform/broadcom/sonic-platform-modules-dell/s6000/systemd/fancontrol.service new file mode 100644 index 000000000000..75cc977b9935 --- /dev/null +++ b/platform/broadcom/sonic-platform-modules-dell/s6000/systemd/fancontrol.service @@ -0,0 +1,13 @@ +[Unit] +Description=Dell S6000 fan speed regulator +After=platform-modules-s6000.service +Before=pmon.service + +[Service] +ExecStart=-/usr/local/bin/fancontrol.sh +Restart=always +RestartSec=30 + +[Install] +WantedBy=multi-user.target +