SuperMicro IPMI Watchdog for Windows

watchdog.ps1

# coding: utf-8
# vim: set ts=4 sw=4 sts=4 si ai et ft=powershell:
# Copyright (c) 2013, ZenRobotics Ltd.
# author: Paul Tötterman <paul.totterman@zenrobotics.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

# Intelligent Platform Management Interface Specification Second Generation v2.0
# http://www.intel.com/content/www/us/en/servers/ipmi/second-gen-interface-spec-v2-rev1-4.html

Set-Variable -option Constant -name ipmicfg -value "C:\ipmi\ipmicfg-win.exe"
Set-Variable -option Constant -name watchdog -value ([Byte]0x6)
Set-Variable -option Constant -name cmd_reset -value ([Byte]0x22)
Set-Variable -option Constant -name cmd_set -value ([Byte]0x24)
Set-Variable -option Constant -name cmd_get -value ([Byte]0x25)
Set-Variable -option Constant -name timer_nolog -value ([Byte]0x80)
Set-Variable -option Constant -name timer_nostop -value ([Byte]0x40)
Set-Variable -option Constant -name timer_bios_frb2 -value ([Byte]0x1)
Set-Variable -option Constant -name timer_bios_post -value ([Byte]0x2)
Set-Variable -option Constant -name timer_os_load -value ([Byte]0x3)
Set-Variable -option Constant -name timer_sms -value ([Byte]0x4)
Set-Variable -option Constant -name timer_oem -value ([Byte]0x5)
Set-Variable -option Constant -name preaction_none -value ([Byte]0x0)
Set-Variable -option Constant -name preaction_smi -value ([Byte]0x10)
Set-Variable -option Constant -name preaction_nmi -value ([Byte]0x20)
Set-Variable -option Constant -name preaction_msgint -value ([Byte]0x30)
Set-Variable -option Constant -name action_none -value ([Byte]0x0)
Set-Variable -option Constant -name action_reset -value ([Byte]0x1)
Set-Variable -option Constant -name action_off -value ([Byte]0x2)
Set-Variable -option Constant -name action_cycle -value ([Byte]0x3)
Set-Variable -option Constant -name flag_oem -value ([Byte]0x20)
Set-Variable -option Constant -name flag_sms -value ([Byte]0x10)
Set-Variable -option Constant -name flag_os_load -value ([Byte]0x8)
Set-Variable -option Constant -name flag_bios_post -value ([Byte]0x4)
Set-Variable -option Constant -name flag_bios_frb2 -value ([Byte]0x2)

function Raw-IPMI() {
    Param([Parameter(Mandatory=$true)][Byte[]]$data)
    $args = $data | % {"0x{0:X2}" -f $_}
    & $ipmicfg '-raw' $args
}

function Watchdog-Set() {
    Param([Parameter(Mandatory=$false)][Bool]$log=$false,
          [Parameter(Mandatory=$false)][Bool]$stop=$true,
          [Parameter(Mandatory=$false)][Byte]$timer=$timer_sms,
          [Parameter(Mandatory=$false)][Byte]$preaction=$preaction_none,
          [Parameter(Mandatory=$false)][Byte]$action=$action_none,
          [Parameter(Mandatory=$false)][Byte]$pre_timeout=0,
          [Parameter(Mandatory=$false)][Byte]$clear_flags=($flag_oem -bor $flag_sms -bor $flag_os_load -bor $flag_bio_post -bor $flag_bios_frb2),
          [Parameter(Mandatory=$true)][Int]$timeout)


    [byte]$timer_use = $timer

    if ($log) {
        $timer_use = $timer_use -band (-bnot $timer_nolog)
    } else {
        $timer_use = $timer_use -bor $timer_nolog
    }

    if ($stop) {
        $timer_use = $timer_use -band (-bnot $timer_nostop)
    } else {
        $timer_use = $timer_use -bor $timer_nostop
    }

    [byte]$timer_action = $preaction -bor $action

    $countdown = 10*$timeout # 100ms increments

    [byte]$lo = $countdown % 0xff
    [byte]$hi = $countdown / 0xff

    $data = ($watchdog, $cmd_set, $timer_use, $timer_action, $pretimeout, $clear_flags, $lo, $hi)

    Raw-IPMI $data
}

function Watchdog-Reset() {
    Raw-IPMI ($watchdog, $cmd_reset)
}

Watchdog-Set -timeout 10 -action $action_none

for () {
    Start-Sleep -s 5
    Watchdog-Reset
}