blob: 62249c5b03882c7ea0ab44d342e8dad768fa0ab7 [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 <sdeventplus/event.hpp>
#include "argument.hpp"
#include "config.h"
#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;
}
auto bus = sdbusplus::bus::new_default();
auto event = sdeventplus::Event::get_default();
// Attach the event object to the bus object so we can
// handle both sd_events (for the timers) and dbus signals.
bus.attach_event(event.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 rounding up from 1 to 5 seconds.
std::chrono::seconds powerOnDelay(5);
// Timer to delay setting internal presence tracking. Allows for servicing
// the power supply.
std::chrono::seconds presentDelay(2);
auto psuDevice = std::make_unique<psu::PowerSupply>(objname,
std::move(instance),
std::move(objpath),
std::move(invpath),
bus,
event,
powerOnDelay,
presentDelay);
// Get the number of input power history records to keep in D-Bus.
long int numRecords = 0;
auto records = (options)["num-history-records"];
if (records != ArgumentParser::emptyString)
{
numRecords = std::stol(records);
if (numRecords < 0)
{
std::cerr << "Invalid number of history records specified.\n";
return -6;
}
}
if (numRecords != 0)
{
// Get the GPIO information for controlling the SYNC signal.
// If one is there, they both must be.
auto syncGPIOPath = (options)["sync-gpio-path"];
auto syncGPIONum = (options)["sync-gpio-num"];
if (((syncGPIOPath == ArgumentParser::emptyString) &&
(syncGPIONum != ArgumentParser::emptyString)) ||
((syncGPIOPath != ArgumentParser::emptyString) &&
(syncGPIONum == ArgumentParser::emptyString)))
{
std::cerr << "Invalid sync GPIO number or path\n";
return -7;
}
size_t gpioNum = 0;
if (syncGPIONum != ArgumentParser::emptyString)
{
gpioNum = stoul(syncGPIONum);
}
std::string name{"ps" + instnum + "_input_power"};
std::string basePath =
std::string{INPUT_HISTORY_SENSOR_ROOT} + '/' + name;
psuDevice->enableHistory(basePath,
numRecords,
syncGPIOPath,
gpioNum);
// Systemd object manager
sdbusplus::server::manager::manager objManager{bus, basePath.c_str()};
std::string busName =
std::string{INPUT_HISTORY_BUSNAME_ROOT} + '.' + name;
bus.request_name(busName.c_str());
}
auto pollInterval = std::chrono::milliseconds(1000);
return DeviceMonitor(std::move(psuDevice), event, pollInterval).run();
}