bfacpievt

#!/bin/bash

# Copyright (c) 2020, Mellanox Technologies
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are those
# of the authors and should not be interpreted as representing official policies,
# either expressed or implied, of the FreeBSD Project.

# This feature is supported only on OCP 3.0 cards

usage()
{
  cat <<EOF
Usage: $0 [--help] [--update-low-pwr] [--update-reset]
EOF
}

update_low_pwr()
{
  powerconf=/etc/acpi/events/powerconf
  powercontrol=/etc/acpi/actions/powercontrol
  systemdconf=/etc/systemd/logind.conf

  mkdir -p /etc/acpi/events
  echo \
"event=button/power.*
action=$powercontrol
" > $powerconf

  mkdir -p /etc/acpi/actions
  echo \
"#!/bin/bash

echo 441 > /sys/class/gpio/export
value=\$(cat /sys/class/gpio/gpio441/value)

for i in {1..15}
do
  echo \$value &>/dev/null > /sys/devices/system/cpu/cpu\$i/online
done

echo 441 > /sys/class/gpio/unexport
" > $powercontrol

  chmod +x $powercontrol

  systemctl restart acpid

  echo "Acpid config updated."

  if [ -f "$systemdconf" ]; then
    configexist=$(grep -c '^HandlePowerKey=ignore' $systemdconf)
    otherconfig=$(grep -c '^HandlePowerKey' $systemdconf)
    if [ "$configexist" -ge 1 ]; then
      echo "Systemd config exists. Done."
    elif [ "$otherconfig" -ge 1 ]; then
      echo "Please remove systemd HandlePowerKey setting and try again."
    else
      echo "HandlePowerKey=ignore" >> $systemdconf
      echo "Systemd config has been updated. Please reboot the system."
    fi
  else
    echo "Please check systemd config file if HandlePowerKey is set to ignore."
  fi
}

update_reset()
{
  powerconf=/etc/acpi/events/powerconf
  powercontrol=/etc/acpi/actions/powercontrol
  systemdconf=/etc/systemd/logind.conf

  mkdir -p /etc/acpi/events
  echo \
"event=button/power.*
action=$powercontrol
" > $powerconf

  mkdir -p /etc/acpi/actions
  echo \
"#!/bin/bash

reboot
" > $powercontrol

  chmod +x $powercontrol

  systemctl restart acpid

  echo "Acpid config updated."

  if [ -f "$systemdconf" ]; then
    configexist=$(grep -c '^HandlePowerKey=ignore' $systemdconf)
    otherconfig=$(grep -c '^HandlePowerKey' $systemdconf)
    if [ "$configexist" -ge 1 ]; then
      echo "Systemd config exists. Done."
    elif [ "$otherconfig" -ge 1 ]; then
      echo "Please remove systemd HandlePowerKey setting and try again."
    else
      echo "HandlePowerKey=ignore" >> $systemdconf
      echo "Systemd config has been updated. Please reboot the system."
    fi
  else
    echo "Please check systemd config file if HandlePowerKey is set to ignore."
  fi
}

while true
do
  case $1 in
      -h | --help)
          usage
          exit 0
          ;;
      --update-low-pwr)
          update_low_pwr
          exit 0
          ;;
      --update-reset)
          update_reset
          exit 0
          ;;
      *)
          usage
          exit 1
          ;;
  esac
done