#!/bin/bash
# Usage of this utility
function usage() {
	echo "usage: power-util mb 1 [on|off]";
}

GPIO_BASE=$(cat /sys/class/gpio/gpio*/base)
PWR_GPIO=$(($GPIO_BASE + 32 + 3))
BMC_RDY_GPIO=$(($GPIO_BASE + 144 +1))

if [ $# -lt 3 ]; then
	echo "Total number of parameter=$#"
	echo "Insufficient parameter"
	usage;
	exit 0;
fi

if [ $1 != "mb" ]; then
	echo "Invalid parameter1=$1"
	usage;
	exit 0;
fi

if [ $2 -ne 1 ]; then
	echo "Invalid parameter2=$2, Server $2 not supported"
	usage;
	exit 0;
fi

if [ $3 = "on" ]; then
	echo "Powering on Server $2"
	echo 0 > /sys/class/gpio/gpio${BMC_RDY_GPIO}/value
	echo 1 > /sys/class/gpio/gpio${PWR_GPIO}/value
	echo 0 > /sys/class/gpio/gpio${PWR_GPIO}/value
	sleep 1
	echo 1 > /sys/class/gpio/gpio${PWR_GPIO}/value
elif [ $3 = "off" ]; then
	echo "Shutting down Server $2"
	echo 1 > /sys/class/gpio/gpio${PWR_GPIO}/value
	sleep 1
	echo 0 > /sys/class/gpio/gpio${PWR_GPIO}/value
	sleep 6
	echo 1 > /sys/class/gpio/gpio${PWR_GPIO}/value
else
	echo "Invalid parameter3=$3"
	usage;
fi

exit 0;