sonic-buildimage/device/mellanox/x86_64-mlnx_msn2700-r0/platform_reboot

#!/bin/bash

declare -r EXIT_SUCCESS="0"
declare -r EXIT_ERROR="1"

declare -r PENDING_COMPONENT_FW="/usr/bin/install-pending-fw.py"
declare -r FW_UPGRADE_SCRIPT="/usr/bin/mlnx-fw-upgrade.sh"
declare -r SYSFS_PWR_CYCLE="/var/run/hw-management/system/pwr_cycle"

FORCE_REBOOT="no"

function ParseArguments() {
    while [ $# -ge 1 ]; do
        case "$1" in
            -f|--force)
                FORCE_REBOOT="yes"
            ;;
        esac
        shift
    done
}

function SafePwrCycle() {
    sync; sync
    umount -fa > /dev/null 2>&1
    echo 1 > $SYSFS_PWR_CYCLE
}

ParseArguments "$@"

# Reboot immediately if the kdump capture kernel is running
VMCORE_FILE=/proc/vmcore
if [ -s $VMCORE_FILE ]; then
    sync; sync
    umount -fa > /dev/null 2>&1

    # Run Debian reboot because the platform reboot isn't available
    /sbin/reboot
fi


${FW_UPGRADE_SCRIPT} --upgrade --verbose
EXIT_CODE="$?"
if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
    echo "Failed to burn MLNX FW: errno=${EXIT_CODE}"

    if [[ "${FORCE_REBOOT}" != "yes" ]]; then
        echo "Reboot is interrupted: use -f|--force to override"
        exit "${EXIT_ERROR}"
    fi
fi

${PENDING_COMPONENT_FW}

SafePwrCycle