blob: 505ca985bd02f091bdf21e3bf71c8a5cd48340df [file] [log] [blame]
/**
* Copyright 2017 Google Inc.
*
* 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 "pid/builder.hpp"
#include "conf.hpp"
#include "pid/controller.hpp"
#include "pid/fancontroller.hpp"
#include "pid/stepwisecontroller.hpp"
#include "pid/thermalcontroller.hpp"
#include "pid/zone.hpp"
#include "pid/zone_interface.hpp"
#include <sdbusplus/bus.hpp>
#include <cstdint>
#include <iostream>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
namespace pid_control
{
static constexpr bool deferSignals = true;
static constexpr auto objectPath = "/xyz/openbmc_project/settings/fanctrl/zone";
static std::string getControlPath(int64_t zone)
{
return std::string(objectPath) + std::to_string(zone);
}
std::unordered_map<int64_t, std::shared_ptr<ZoneInterface>>
buildZones(const std::map<int64_t, conf::PIDConf>& zonePids,
std::map<int64_t, conf::ZoneConfig>& zoneConfigs,
SensorManager& mgr, sdbusplus::bus::bus& modeControlBus)
{
std::unordered_map<int64_t, std::shared_ptr<ZoneInterface>> zones;
for (const auto& [zoneId, pidConfig] : zonePids)
{
/* The above shouldn't be necessary but is, and I am having trouble
* locating my notes on why. If I recall correctly it was casting it
* down to a byte in at least some cases causing weird behaviors.
*/
auto zoneConf = zoneConfigs.find(zoneId);
if (zoneConf == zoneConfigs.end())
{
/* The Zone doesn't have a configuration, bail. */
static constexpr auto err =
"Bailing during load, missing Zone Configuration";
std::cerr << err << std::endl;
throw std::runtime_error(err);
}
auto zone = std::make_shared<DbusPidZone>(
zoneId, zoneConf->second.minThermalOutput,
zoneConf->second.failsafePercent, mgr, modeControlBus,
getControlPath(zoneId).c_str(), deferSignals);
std::cerr << "Zone Id: " << zone->getZoneID() << "\n";
// For each PID create a Controller and a Sensor.
for (const auto& [name, info] : pidConfig)
{
std::vector<std::string> inputs;
std::cerr << "PID name: " << name << "\n";
/*
* TODO(venture): Need to check if input is known to the
* SensorManager.
*/
if (info.type == "fan")
{
for (const auto& i : info.inputs)
{
inputs.push_back(i);
zone->addFanInput(i);
}
auto pid = FanController::createFanPid(zone.get(), name, inputs,
info.pidInfo);
zone->addFanPID(std::move(pid));
}
else if (isThermalType(info.type))
{
for (const auto& i : info.inputs)
{
inputs.push_back(i);
zone->addThermalInput(i);
}
auto pid = ThermalController::createThermalPid(
zone.get(), name, inputs, info.setpoint, info.pidInfo,
getThermalType(info.type));
zone->addThermalPID(std::move(pid));
}
else if (info.type == "stepwise")
{
for (const auto& i : info.inputs)
{
inputs.push_back(i);
zone->addThermalInput(i);
}
auto stepwise = StepwiseController::createStepwiseController(
zone.get(), name, inputs, info.stepwiseInfo);
zone->addThermalPID(std::move(stepwise));
}
std::cerr << "inputs: ";
for (const auto& i : inputs)
{
std::cerr << i << ", ";
}
std::cerr << "\n";
}
zone->emit_object_added();
zones[zoneId] = std::move(zone);
}
return zones;
}
} // namespace pid_control