[platform-celestica]: Add new fancontrol service for haliburton device (#2736)
This commit is contained in:
Wirut Getbamrung
lguohan
parent
af64fd66d2
commit
4fcb3321b2
13
device/celestica/x86_64-cel_e1031-r0/fancontrol-B2F
Normal file
13
device/celestica/x86_64-cel_e1031-r0/fancontrol-B2F
Normal file
@ -0,0 +1,13 @@
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# Configuration file generated by pwmconfig, changes will be lost
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INTERVAL=2
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DEVPATH=hwmon3=devices/pci0000:00/0000:00:13.0/i2c-0/i2c-8/i2c-23/23-004d hwmon2=devices/pci0000:00/0000:00:13.0/i2c-0/i2c-8/i2c-11/11-001a
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DEVNAME=hwmon3=emc2305 hwmon2=max6697
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FCTEMPS=hwmon3/device/pwm1=hwmon2/temp1_input hwmon3/device/pwm2=hwmon2/temp1_input hwmon3/device/pwm4=hwmon2/temp1_input
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FCFANS=hwmon3/device/pwm1=hwmon3/device/fan1_input hwmon3/device/pwm2=hwmon3/device/fan2_input hwmon3/device/pwm4=hwmon3/device/fan4_input
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MINTEMP=hwmon3/device/pwm1=27 hwmon3/device/pwm2=27 hwmon3/device/pwm4=27
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MAXTEMP=hwmon3/device/pwm1=46 hwmon3/device/pwm2=46 hwmon3/device/pwm4=46
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MINSTART=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MINSTOP=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MINPWM=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MAXPWM=hwmon3/device/pwm1=255 hwmon3/device/pwm2=255 hwmon3/device/pwm4=255
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THYST=hwmon3/device/pwm1=2 hwmon3/device/pwm2=2 hwmon3/device/pwm4=2
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@ -2,11 +2,12 @@
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INTERVAL=2
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DEVPATH=hwmon3=devices/pci0000:00/0000:00:13.0/i2c-0/i2c-8/i2c-23/23-004d hwmon2=devices/pci0000:00/0000:00:13.0/i2c-0/i2c-8/i2c-11/11-001a
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DEVNAME=hwmon3=emc2305 hwmon2=max6697
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FCTEMPS=hwmon3/device/pwm1=hwmon2/temp2_input hwmon3/device/pwm2=hwmon2/temp2_input hwmon3/device/pwm4=hwmon2/temp2_input
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FCTEMPS=hwmon3/device/pwm1=hwmon2/temp3_input hwmon3/device/pwm2=hwmon2/temp3_input hwmon3/device/pwm4=hwmon2/temp3_input
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FCFANS=hwmon3/device/pwm1=hwmon3/device/fan1_input hwmon3/device/pwm2=hwmon3/device/fan2_input hwmon3/device/pwm4=hwmon3/device/fan4_input
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MINTEMP=hwmon3/device/pwm1=29 hwmon3/device/pwm2=29 hwmon3/device/pwm4=29
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MAXTEMP=hwmon3/device/pwm1=44 hwmon3/device/pwm2=44 hwmon3/device/pwm4=44
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MAXTEMP=hwmon3/device/pwm1=46 hwmon3/device/pwm2=46 hwmon3/device/pwm4=46
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MINSTART=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MINSTOP=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MINPWM=hwmon3/device/pwm1=102 hwmon3/device/pwm2=102 hwmon3/device/pwm4=102
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MAXPWM=hwmon3/device/pwm1=255 hwmon3/device/pwm2=255 hwmon3/device/pwm4=255
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THYST=hwmon3/device/pwm1=2 hwmon3/device/pwm2=2 hwmon3/device/pwm4=2
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@ -1,2 +1,5 @@
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haliburton/cfg/haliburton-modules.conf etc/modules-load.d
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haliburton/systemd/platform-modules-haliburton.service lib/systemd/system
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haliburton/script/fancontrol.sh etc/init.d
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services/fancontrol/fancontrol.service lib/systemd/system
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services/fancontrol/fancontrol usr/local/bin
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@ -1,3 +1,6 @@
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depmod -a
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systemctl enable platform-modules-haliburton.service
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systemctl enable fancontrol.service
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systemctl start platform-modules-haliburton.service
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systemctl start fancontrol.service
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78
platform/broadcom/sonic-platform-modules-cel/haliburton/script/fancontrol.sh
Executable file
78
platform/broadcom/sonic-platform-modules-cel/haliburton/script/fancontrol.sh
Executable file
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#! /bin/sh
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### BEGIN INIT INFO
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# Provides: fancontrol
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# Required-Start: $remote_fs
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# Required-Stop: $remote_fs
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# Default-Start: 2 3 4 5
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# Default-Stop:
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# Short-Description: fancontrol
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# Description: fan speed regulator
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### END INIT INFO
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. /lib/lsb/init-functions
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[ -f /etc/default/rcS ] && . /etc/default/rcS
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PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
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DAEMON=/usr/local/bin/fancontrol
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DESC="fan speed regulator"
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NAME="fancontrol"
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PIDFILE=/var/run/fancontrol.pid
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PLATFORMPATH=/sys/devices/platform/e1031.smc
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MAIN_CONF=/usr/share/sonic/device/x86_64-cel_e1031-r0/fancontrol
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DEVPATH=/sys/devices/pci0000:00/0000:00:13.0/i2c-0/i2c-8/i2c-23/23-004d
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test -x $DAEMON || exit 0
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for i in 1 2 3
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do
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j=$i
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[ $i -eq 3 ] && j=4
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FANFAULT=$(cat ${DEVPATH}/fan${j}_fault)
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[ $FANFAULT = 1 ] && continue
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FANDIR=$(cat ${PLATFORMPATH}/fan${i}_dir)
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done
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CONF=${MAIN_CONF}-${FANDIR}
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case "$1" in
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start)
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if [ -f $CONF ] ; then
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if $DAEMON --check $CONF 1>/dev/null 2>/dev/null ; then
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log_daemon_msg "Starting $DESC" "$NAME\n"
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start-stop-daemon --start --quiet --pidfile $PIDFILE --startas $DAEMON $CONF
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log_end_msg $?
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else
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log_failure_msg "Not starting fancontrol, broken configuration file; please re-run pwmconfig."
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fi
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else
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if [ "$VERBOSE" != no ]; then
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log_warning_msg "Not starting fancontrol; run pwmconfig first."
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fi
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fi
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;;
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stop)
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log_daemon_msg "Stopping $DESC" "$NAME"
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start-stop-daemon --stop --quiet --pidfile $PIDFILE --oknodo --startas $DAEMON $CONF
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rm -f $PIDFILE
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log_end_msg $?
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;;
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restart)
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$0 stop
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sleep 3
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$0 start
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;;
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force-reload)
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if start-stop-daemon --stop --test --quiet --pidfile $PIDFILE --startas $DAEMON $CONF ; then
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$0 restart
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fi
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;;
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status)
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status_of_proc $DAEMON $NAME $CONF && exit 0 || exit $?
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;;
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*)
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log_success_msg "Usage: /etc/init.d/fancontrol {start|stop|restart|force-reload|status}"
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exit 1
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;;
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esac
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exit 0
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616
platform/broadcom/sonic-platform-modules-cel/services/fancontrol/fancontrol
Executable file
616
platform/broadcom/sonic-platform-modules-cel/services/fancontrol/fancontrol
Executable file
@ -0,0 +1,616 @@
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#!/bin/bash
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#
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# Simple script implementing a temperature dependent fan speed control
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# Supported Linux kernel versions: 2.6.5 and later
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#
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# Version 0.70
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#
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# Usage: fancontrol [CONFIGFILE]
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#
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# Dependencies:
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# bash, egrep, sed, cut, sleep, readlink, lm_sensors :)
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#
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# Please send any questions, comments or success stories to
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# marius.reiner@hdev.de
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# Thanks!
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#
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# For configuration instructions and warnings please see fancontrol.txt, which
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# can be found in the doc/ directory or at the website mentioned above.
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#
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#
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# Copyright 2003 Marius Reiner <marius.reiner@hdev.de>
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# Copyright (C) 2007-2009 Jean Delvare <khali@linux-fr.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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#
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PIDFILE="/var/run/fancontrol.pid"
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#DEBUG=1
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MAX=255
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function LoadConfig
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{
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local fcvcount fcv
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echo "Loading configuration from $1 ..."
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if [ ! -r "$1" ]
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then
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echo "Error: Can't read configuration file" >&2
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exit 1
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fi
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# grep configuration from file
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INTERVAL=`egrep '^INTERVAL=.*$' $1 | sed -e 's/INTERVAL=//g'`
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DEVPATH=`egrep '^DEVPATH=.*$' $1 | sed -e 's/DEVPATH= *//g'`
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DEVNAME=`egrep '^DEVNAME=.*$' $1 | sed -e 's/DEVNAME= *//g'`
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FCTEMPS=`egrep '^FCTEMPS=.*$' $1 | sed -e 's/FCTEMPS=//g'`
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MINTEMP=`egrep '^MINTEMP=.*$' $1 | sed -e 's/MINTEMP=//g'`
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MAXTEMP=`egrep '^MAXTEMP=.*$' $1 | sed -e 's/MAXTEMP=//g'`
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MINSTART=`egrep '^MINSTART=.*$' $1 | sed -e 's/MINSTART=//g'`
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MINSTOP=`egrep '^MINSTOP=.*$' $1 | sed -e 's/MINSTOP=//g'`
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# optional settings:
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FCFANS=`egrep '^FCFANS=.*$' $1 | sed -e 's/FCFANS=//g'`
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MINPWM=`egrep '^MINPWM=.*$' $1 | sed -e 's/MINPWM=//g'`
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MAXPWM=`egrep '^MAXPWM=.*$' $1 | sed -e 's/MAXPWM=//g'`
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THYST=`egrep '^THYST=.*$' $1 | sed -e 's/THYST=//g'`
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echo
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# Check whether all mandatory settings are set
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if [[ -z ${INTERVAL} || -z ${FCTEMPS} || -z ${MINTEMP} || -z ${MAXTEMP} || -z ${MINSTART} || -z ${MINSTOP} ]]
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then
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echo "Some mandatory settings missing, please check your config file!" >&2
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exit 1
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fi
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if [ "$INTERVAL" -le 0 ]
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then
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echo "Error in configuration file:" >&2
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echo "INTERVAL must be at least 1" >&2
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exit 1
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fi
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# write settings to arrays for easier use and print them
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echo
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echo "Common settings:"
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echo " INTERVAL=$INTERVAL"
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let fcvcount=0
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for fcv in $FCTEMPS
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do
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if ! echo $fcv | egrep -q '='
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then
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echo "Error in configuration file:" >&2
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echo "FCTEMPS value is improperly formatted" >&2
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exit 1
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fi
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AFCPWM[$fcvcount]=`echo $fcv |cut -d'=' -f1`
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AFCTEMP[$fcvcount]=`echo $fcv |cut -d'=' -f2`
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AFCFAN[$fcvcount]=`echo $FCFANS |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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AFCFANFAULT[$fcvcount]=`echo "${AFCFAN[$fcvcount]}" |sed -e 's/input/fault/g'`
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AFCMINTEMP[$fcvcount]=`echo $MINTEMP |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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AFCMAXTEMP[$fcvcount]=`echo $MAXTEMP |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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AFCMINSTART[$fcvcount]=`echo $MINSTART |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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AFCMINSTOP[$fcvcount]=`echo $MINSTOP |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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AFCMINPWM[$fcvcount]=`echo $MINPWM |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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[ -z "${AFCMINPWM[$fcvcount]}" ] && AFCMINPWM[$fcvcount]=0
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AFCMAXPWM[$fcvcount]=`echo $MAXPWM |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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[ -z "${AFCMAXPWM[$fcvcount]}" ] && AFCMAXPWM[$fcvcount]=255
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AFCTHYST[$fcvcount]=`echo $THYST |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`
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[ -z "${AFCTHYST[$fcvcount]}" ] && AFCTHYST[$fcvcount]=0
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# verify the validity of the settings
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if [ "${AFCMINTEMP[$fcvcount]}" -ge "${AFCMAXTEMP[$fcvcount]}" ]
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then
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echo "Error in configuration file (${AFCPWM[$fcvcount]}):" >&2
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echo "MINTEMP must be less than MAXTEMP" >&2
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exit 1
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fi
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if [ "${AFCMAXPWM[$fcvcount]}" -gt 255 ]
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then
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echo "Error in configuration file (${AFCPWM[$fcvcount]}):" >&2
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echo "MAXPWM must be at most 255" >&2
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exit 1
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fi
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if [ "${AFCMINSTOP[$fcvcount]}" -ge "${AFCMAXPWM[$fcvcount]}" ]
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then
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echo "Error in configuration file (${AFCPWM[$fcvcount]}):" >&2
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echo "MINSTOP must be less than MAXPWM" >&2
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exit 1
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fi
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if [ "${AFCMINSTOP[$fcvcount]}" -lt "${AFCMINPWM[$fcvcount]}" ]
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then
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echo "Error in configuration file (${AFCPWM[$fcvcount]}):" >&2
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echo "MINSTOP must be greater than or equal to MINPWM" >&2
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exit 1
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fi
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if [ "${AFCMINPWM[$fcvcount]}" -lt 0 ]
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then
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echo "Error in configuration file (${AFCPWM[$fcvcount]}):" >&2
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echo "MINPWM must be at least 0" >&2
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exit 1
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fi
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echo
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echo "Settings for ${AFCPWM[$fcvcount]}:"
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echo " Depends on ${AFCTEMP[$fcvcount]}"
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echo " Controls ${AFCFAN[$fcvcount]}"
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echo " MINTEMP=${AFCMINTEMP[$fcvcount]}"
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echo " MAXTEMP=${AFCMAXTEMP[$fcvcount]}"
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echo " MINSTART=${AFCMINSTART[$fcvcount]}"
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echo " MINSTOP=${AFCMINSTOP[$fcvcount]}"
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echo " MINPWM=${AFCMINPWM[$fcvcount]}"
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echo " MAXPWM=${AFCMAXPWM[$fcvcount]}"
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echo " THYST=${AFCTHYST[$fcvcount]}"
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let fcvcount=fcvcount+1
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done
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echo
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}
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function CheckFanFault()
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{
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let fancount=0
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while (( $fancount < ${#AFCFANFAULT[@]} )) # go through all fan fault.
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do
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fault=`cat ${AFCFANFAULT[$fancount]}`
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if [[ "$fault" == "1" ]]
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then
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return 1 # fan fault detected
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fi
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let fancount=$fancount+1
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done
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return 0
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}
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function DevicePath()
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{
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if [ -h "$1/device" ]
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then
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readlink -f "$1/device" | sed -e 's/^\/sys\///'
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fi
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}
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function DeviceName()
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{
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if [ -r "$1/name" ]
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then
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cat "$1/name" | sed -e 's/[[:space:]=]/_/g'
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elif [ -r "$1/device/name" ]
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then
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cat "$1/device/name" | sed -e 's/[[:space:]=]/_/g'
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fi
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}
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function ValidateDevices()
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{
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local OLD_DEVPATH="$1" OLD_DEVNAME="$2" outdated=0
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local entry device name path
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for entry in $OLD_DEVPATH
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do
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device=`echo "$entry" | sed -e 's/=[^=]*$//'`
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path=`echo "$entry" | sed -e 's/^[^=]*=//'`
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if [ "`DevicePath "$device"`" != "$path" ]
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then
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echo "Device path of $device has changed" >&2
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outdated=1
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fi
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done
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for entry in $OLD_DEVNAME
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do
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device=`echo "$entry" | sed -e 's/=[^=]*$//'`
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name=`echo "$entry" | sed -e 's/^[^=]*=//'`
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if [ "`DeviceName "$device"`" != "$name" ]
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then
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echo "Device name of $device has changed" >&2
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outdated=1
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fi
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done
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return $outdated
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}
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# Check that all referenced sysfs files exist
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function CheckFiles
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{
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local outdated=0 fcvcount pwmo tsen fan
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let fcvcount=0
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while (( $fcvcount < ${#AFCPWM[@]} )) # go through all pwm outputs
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do
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pwmo=${AFCPWM[$fcvcount]}
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if [ ! -w $pwmo ]
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then
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echo "Error: file $pwmo doesn't exist" >&2
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outdated=1
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fi
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let fcvcount=$fcvcount+1
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done
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let fcvcount=0
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while (( $fcvcount < ${#AFCTEMP[@]} )) # go through all temp inputs
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do
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tsen=${AFCTEMP[$fcvcount]}
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if [ ! -r $tsen ]
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then
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echo "Error: file $tsen doesn't exist" >&2
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outdated=1
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fi
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let fcvcount=$fcvcount+1
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done
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||||
|
||||
let fcvcount=0
|
||||
while (( $fcvcount < ${#AFCFAN[@]} )) # go through all fan inputs
|
||||
do
|
||||
# A given PWM output can control several fans
|
||||
for fan in $(echo ${AFCFAN[$fcvcount]} | sed -e 's/+/ /')
|
||||
do
|
||||
if [ ! -r $fan ]
|
||||
then
|
||||
echo "Error: file $fan doesn't exist" >&2
|
||||
outdated=1
|
||||
fi
|
||||
done
|
||||
let fcvcount=$fcvcount+1
|
||||
done
|
||||
|
||||
if [ $outdated -eq 1 ]
|
||||
then
|
||||
echo >&2
|
||||
echo "At least one referenced file is missing. Either some required kernel" >&2
|
||||
echo "modules haven't been loaded, or your configuration file is outdated." >&2
|
||||
echo "In the latter case, you should run pwmconfig again." >&2
|
||||
fi
|
||||
|
||||
return $outdated
|
||||
}
|
||||
|
||||
if [ "$1" == "--check" ]
|
||||
then
|
||||
if [ -f "$2" ]
|
||||
then
|
||||
LoadConfig $2
|
||||
else
|
||||
LoadConfig /etc/fancontrol
|
||||
fi
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ -f "$1" ]
|
||||
then
|
||||
LoadConfig $1
|
||||
else
|
||||
LoadConfig /etc/fancontrol
|
||||
fi
|
||||
|
||||
# Detect path to sensors
|
||||
if echo "${AFCPWM[0]}" | egrep -q '^/'
|
||||
then
|
||||
DIR=/
|
||||
elif echo "${AFCPWM[0]}" | egrep -q '^hwmon[0-9]'
|
||||
then
|
||||
DIR=/sys/class/hwmon
|
||||
elif echo "${AFCPWM[0]}" | egrep -q '^[1-9]*[0-9]-[0-9abcdef]{4}'
|
||||
then
|
||||
DIR=/sys/bus/i2c/devices
|
||||
else
|
||||
echo "$0: Invalid path to sensors" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -d $DIR ]
|
||||
then
|
||||
echo $0: 'No sensors found! (did you load the necessary modules?)' >&2
|
||||
exit 1
|
||||
fi
|
||||
cd $DIR
|
||||
|
||||
# Check for configuration change
|
||||
if [ "$DIR" != "/" ] && [ -z "$DEVPATH" -o -z "$DEVNAME" ]
|
||||
then
|
||||
echo "Configuration is too old, please run pwmconfig again" >&2
|
||||
exit 1
|
||||
fi
|
||||
if [ "$DIR" = "/" -a -n "$DEVPATH" ]
|
||||
then
|
||||
echo "Unneeded DEVPATH with absolute device paths" >&2
|
||||
exit 1
|
||||
fi
|
||||
if ! ValidateDevices "$DEVPATH" "$DEVNAME"
|
||||
then
|
||||
echo "Configuration appears to be outdated, please run pwmconfig again" >&2
|
||||
exit 1
|
||||
fi
|
||||
CheckFiles || exit 1
|
||||
|
||||
if [ -f "$PIDFILE" ]
|
||||
then
|
||||
echo "File $PIDFILE exists, is fancontrol already running?" >&2
|
||||
exit 1
|
||||
fi
|
||||
echo $$ > "$PIDFILE"
|
||||
|
||||
# $1 = pwm file name
|
||||
function pwmdisable()
|
||||
{
|
||||
local ENABLE=${1}_enable
|
||||
|
||||
# No enable file? Just set to max
|
||||
if [ ! -f $ENABLE ]
|
||||
then
|
||||
echo $MAX > $1
|
||||
return 0
|
||||
fi
|
||||
|
||||
# Try pwmN_enable=0
|
||||
echo 0 > $ENABLE 2> /dev/null
|
||||
if [ `cat $ENABLE` -eq 0 ]
|
||||
then
|
||||
# Success
|
||||
echo $MAX > $1
|
||||
return 0
|
||||
fi
|
||||
|
||||
# It didn't work, try pwmN_enable=1 pwmN=255
|
||||
echo 1 > $ENABLE 2> /dev/null
|
||||
echo $MAX > $1
|
||||
if [ `cat $ENABLE` -eq 1 -a `cat $1` -ge 190 ]
|
||||
then
|
||||
# Success
|
||||
return 0
|
||||
fi
|
||||
|
||||
# Nothing worked
|
||||
echo "$ENABLE stuck to" `cat $ENABLE` >&2
|
||||
return 1
|
||||
}
|
||||
|
||||
# $1 = pwm file name
|
||||
function pwmenable()
|
||||
{
|
||||
local ENABLE=${1}_enable
|
||||
|
||||
if [ -f $ENABLE ]
|
||||
then
|
||||
echo 1 > $ENABLE 2> /dev/null
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
return 1
|
||||
fi
|
||||
fi
|
||||
echo $MAX > $1
|
||||
}
|
||||
|
||||
function restorefans()
|
||||
{
|
||||
local status=$1 fcvcount pwmo
|
||||
|
||||
echo 'Aborting, restoring fans...'
|
||||
let fcvcount=0
|
||||
while (( $fcvcount < ${#AFCPWM[@]} )) # go through all pwm outputs
|
||||
do
|
||||
pwmo=${AFCPWM[$fcvcount]}
|
||||
pwmdisable $pwmo
|
||||
let fcvcount=$fcvcount+1
|
||||
done
|
||||
echo 'Verify fans have returned to full speed'
|
||||
rm -f "$PIDFILE"
|
||||
exit $status
|
||||
}
|
||||
|
||||
trap 'restorefans 0' SIGQUIT SIGTERM
|
||||
trap 'restorefans 1' SIGHUP SIGINT
|
||||
|
||||
function upperBound
|
||||
{
|
||||
# $1: temperature
|
||||
# $2: Tmin
|
||||
# $3: Tmax
|
||||
# $4: MinPWM
|
||||
# $5: MaxPWM
|
||||
# $6 Thyst
|
||||
# upper_bound = (temperature-Tmin+2) * (MaxPWM-MinPWM)/(Tmax-Tmin)+MinPWM
|
||||
let a="($1-$2+$6)*($5-$4)/($3-$2)+$4"
|
||||
up_b=$a
|
||||
}
|
||||
function lowerBound
|
||||
{
|
||||
# $1: temperature
|
||||
# $2: Tmin
|
||||
# $3: Tmax
|
||||
# $4: MinPWM
|
||||
# $5: MaxPWM
|
||||
# $6 Thyst
|
||||
# lower_bound = (temperature-Tmin) *(MaxPWM-MinPWM)/(Tmax-Tmin)+MinPWM
|
||||
let a="($1-$2)*($5-$4)/($3-$2)+$4"
|
||||
lw_b=$a
|
||||
}
|
||||
|
||||
# main function
|
||||
function UpdateFanSpeeds
|
||||
{
|
||||
local fcvcount
|
||||
local pwmo tsens fan mint maxt minsa minso minpwm maxpwm tHyst
|
||||
local tval pwmpval fanval min_fanval one_fan one_fanval
|
||||
local -i pwmval
|
||||
|
||||
let fcvcount=0
|
||||
while (( $fcvcount < ${#AFCPWM[@]} )) # go through all pwm outputs
|
||||
do
|
||||
#hopefully shorter vars will improve readability:
|
||||
pwmo=${AFCPWM[$fcvcount]}
|
||||
tsens=${AFCTEMP[$fcvcount]}
|
||||
fan=${AFCFAN[$fcvcount]}
|
||||
let mint="${AFCMINTEMP[$fcvcount]}*1000"
|
||||
let maxt="${AFCMAXTEMP[$fcvcount]}*1000"
|
||||
minsa=${AFCMINSTART[$fcvcount]}
|
||||
minso=${AFCMINSTOP[$fcvcount]}
|
||||
minpwm=${AFCMINPWM[$fcvcount]}
|
||||
maxpwm=${AFCMAXPWM[$fcvcount]}
|
||||
let tHyst="${AFCTHYST[$fcvcount]}*1000"
|
||||
|
||||
#if some fan fault detected all pwm=100%
|
||||
CheckFanFault
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo $MAX > $pwmo
|
||||
let fcvcount=$fcvcount+1
|
||||
continue
|
||||
fi
|
||||
|
||||
read tval < ${tsens}
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo "Error reading temperature from $DIR/$tsens"
|
||||
restorefans 1
|
||||
fi
|
||||
|
||||
read pwmpval < ${pwmo}
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo "Error reading PWM value from $DIR/$pwmo"
|
||||
restorefans 1
|
||||
fi
|
||||
|
||||
# If fanspeed-sensor output shall be used, do it
|
||||
if [[ -n ${fan} ]]
|
||||
then
|
||||
min_fanval=100000
|
||||
fanval=
|
||||
# A given PWM output can control several fans
|
||||
for one_fan in $(echo $fan | sed -e 's/+/ /')
|
||||
do
|
||||
read one_fanval < ${one_fan}
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo "Error reading Fan value from $DIR/$one_fan" >&2
|
||||
restorefans 1
|
||||
fi
|
||||
|
||||
# Remember the minimum, it only matters if it is 0
|
||||
if [ $one_fanval -lt $min_fanval ]
|
||||
then
|
||||
min_fanval=$one_fanval
|
||||
fi
|
||||
|
||||
if [ -z "$fanval" ]
|
||||
then
|
||||
fanval=$one_fanval
|
||||
else
|
||||
fanval="$fanval/$one_fanval"
|
||||
fi
|
||||
done
|
||||
else
|
||||
fanval=1 # set it to a non zero value, so the rest of the script still works
|
||||
fi
|
||||
|
||||
# debug info
|
||||
if [ "$DEBUG" != "" ]
|
||||
then
|
||||
echo "pwmo=$pwmo"
|
||||
echo "tsens=$tsens"
|
||||
echo "fan=$fan"
|
||||
echo "mint=$mint"
|
||||
echo "maxt=$maxt"
|
||||
echo "minsa=$minsa"
|
||||
echo "minso=$minso"
|
||||
echo "minpwm=$minpwm"
|
||||
echo "maxpwm=$maxpwm"
|
||||
echo "tval=$tval"
|
||||
echo "pwmpval=$pwmpval"
|
||||
echo "fanval=$fanval"
|
||||
echo "min_fanval=$min_fanval"
|
||||
echo "tHyst=$tHyst"
|
||||
fi
|
||||
pwmval=$pwmpval
|
||||
if (( $tval+$tHyst <= $mint ))
|
||||
then pwmval=$minpwm # below min temp, use defined min pwm
|
||||
elif (( $tval >= $maxt ))
|
||||
then pwmval=$maxpwm # over max temp, use defined max pwm
|
||||
elif (( $tval+$tHyst >= $maxt )) && (( $pwmpval == $maxpwm ))
|
||||
then pwmval=$maxpwm
|
||||
else
|
||||
# calculate the new value from temperature and settings
|
||||
# pwmval="(${tval}-${mint})*(${maxpwm}-${minso})/(${maxt}-${mint})+${minso}
|
||||
lowerBound ${tval} ${mint} ${maxt} ${minpwm} ${maxpwm} ${tHyst}
|
||||
lb=$lw_b
|
||||
upperBound ${tval} ${mint} ${maxt} ${minpwm} ${maxpwm} ${tHyst}
|
||||
ub=$up_b
|
||||
|
||||
if [ "$DEBUG" != "" ]
|
||||
then
|
||||
echo "old pwm=$pwmval lw_b=$lw_b up_b=$up_b"
|
||||
fi
|
||||
|
||||
if [[ "$pwmval" -gt "$ub" ]]
|
||||
then
|
||||
pwmval=$ub
|
||||
else
|
||||
if [[ "$pwmval" -lt "$lb" ]]
|
||||
then
|
||||
pwmval=$lb
|
||||
fi
|
||||
fi
|
||||
|
||||
if [ $pwmpval -eq 0 -o $min_fanval -eq 0 ]
|
||||
then # if fan was stopped start it using a safe value
|
||||
echo $minsa > $pwmo
|
||||
# Sleep while still handling signals
|
||||
sleep 1 &
|
||||
wait $!
|
||||
fi
|
||||
fi
|
||||
echo $pwmval > $pwmo # write new value to pwm output
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo "Error writing PWM value to $DIR/$pwmo" >&2
|
||||
restorefans 1
|
||||
fi
|
||||
if [ "$DEBUG" != "" ]
|
||||
then
|
||||
echo "new pwmval=$pwmval"
|
||||
fi
|
||||
let fcvcount=$fcvcount+1
|
||||
done
|
||||
}
|
||||
|
||||
echo 'Enabling PWM on fans...'
|
||||
let fcvcount=0
|
||||
while (( $fcvcount < ${#AFCPWM[@]} )) # go through all pwm outputs
|
||||
do
|
||||
pwmo=${AFCPWM[$fcvcount]}
|
||||
pwmenable $pwmo
|
||||
if [ $? -ne 0 ]
|
||||
then
|
||||
echo "Error enabling PWM on $DIR/$pwmo" >&2
|
||||
restorefans 1
|
||||
fi
|
||||
let fcvcount=$fcvcount+1
|
||||
done
|
||||
|
||||
echo 'Starting automatic fan control...'
|
||||
|
||||
# main loop calling the main function at specified intervals
|
||||
while true
|
||||
do
|
||||
UpdateFanSpeeds
|
||||
# Sleep while still handling signals
|
||||
sleep $INTERVAL &
|
||||
wait $!
|
||||
done
|
||||
@ -0,0 +1,12 @@
|
||||
[Unit]
|
||||
Description=fan speed regulator
|
||||
After=platform-modules-haliburton.service
|
||||
Before=pmon.service
|
||||
|
||||
[Service]
|
||||
ExecStart=-/etc/init.d/fancontrol.sh start
|
||||
ExecStop=-/etc/init.d/fancontrol.sh stop
|
||||
RemainAfterExit=yes
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
Loading…
Reference in New Issue
Block a user