blob: 2aa7a7e0d80e470b47f45589dd6f8eb7785ea555 [file] [log] [blame]
/**
* Copyright © 2017 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iostream>
#include <phosphor-logging/log.hpp>
#include <systemd/sd-daemon.h>
#include "argument.hpp"
#include "event.hpp"
#include "power_supply.hpp"
#include "device_monitor.hpp"
using namespace witherspoon::power;
using namespace phosphor::logging;
int main(int argc, char* argv[])
{
auto options = ArgumentParser(argc, argv);
auto objpath = (options)["path"];
auto instnum = (options)["instance"];
auto invpath = (options)["inventory"];
if (argc < 4)
{
std::cerr << std::endl << "Too few arguments" << std::endl;
options.usage(argv);
return -1;
}
if (objpath == ArgumentParser::emptyString)
{
log<level::ERR>("Device monitoring path argument required");
return -2;
}
if (instnum == ArgumentParser::emptyString)
{
log<level::ERR>("Device monitoring instance number argument required");
return -3;
}
if (invpath == ArgumentParser::emptyString)
{
log<level::ERR>("Device monitoring inventory path argument required");
return -4;
}
sd_event* events = nullptr;
auto r = sd_event_default(&events);
if (r < 0)
{
log<level::ERR>("Failed call to sd_event_default()",
entry("ERROR=%s", strerror(-r)));
return -5;
}
auto bus = sdbusplus::bus::new_default();
witherspoon::power::event::Event eventPtr{events};
//Attach the event object to the bus object so we can
//handle both sd_events (for the timers) and dbus signals.
bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
auto objname = "power_supply" + instnum;
auto instance = std::stoul(instnum);
// The state changes from 0 to 1 when the BMC_POWER_UP line to the power
// sequencer is asserted. It can take 50ms for the sequencer to assert the
// ENABLE# line that goes to the power supplies. The Witherspoon power
// supply can take a max of 100ms from ENABLE# asserted to 12V in spec.
// Once 12V in spec., the power supply will nominally take 1 second to
// assert DC_GOOD (and update POWER_GOOD Negated), +/1 100ms. That would
// give us a 1250ms delay from state=1 to checking STATUS_WORD, however,
// the sysfs files will only be updated by the ibm-cffps device driver once
// a second, so round up that delay to 2 seconds.
std::chrono::seconds powerOnDelay(2);
auto psuDevice = std::make_unique<psu::PowerSupply>(objname,
std::move(instance),
std::move(objpath),
std::move(invpath),
bus,
eventPtr,
powerOnDelay);
auto pollInterval = std::chrono::milliseconds(1000);
DeviceMonitor mainloop(std::move(psuDevice), eventPtr, pollInterval);
mainloop.run();
return 0;
}