17f88fe61SMatt Spinler /** 27f88fe61SMatt Spinler * Copyright © 2017 IBM Corporation 37f88fe61SMatt Spinler * 47f88fe61SMatt Spinler * Licensed under the Apache License, Version 2.0 (the "License"); 57f88fe61SMatt Spinler * you may not use this file except in compliance with the License. 67f88fe61SMatt Spinler * You may obtain a copy of the License at 77f88fe61SMatt Spinler * 87f88fe61SMatt Spinler * http://www.apache.org/licenses/LICENSE-2.0 97f88fe61SMatt Spinler * 107f88fe61SMatt Spinler * Unless required by applicable law or agreed to in writing, software 117f88fe61SMatt Spinler * distributed under the License is distributed on an "AS IS" BASIS, 127f88fe61SMatt Spinler * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137f88fe61SMatt Spinler * See the License for the specific language governing permissions and 147f88fe61SMatt Spinler * limitations under the License. 157f88fe61SMatt Spinler */ 168600d9a0SMatthew Barth #include <chrono> 17618027abSDinesh Chinari #include <phosphor-logging/log.hpp> 18df3e8d67SMatthew Barth #include <phosphor-logging/elog.hpp> 19618027abSDinesh Chinari #include <phosphor-logging/elog-errors.hpp> 20618027abSDinesh Chinari #include <xyz/openbmc_project/Common/error.hpp> 217f88fe61SMatt Spinler #include "zone.hpp" 22df3e8d67SMatthew Barth #include "utility.hpp" 23d953bb25SMatthew Barth #include "sdbusplus.hpp" 247f88fe61SMatt Spinler 257f88fe61SMatt Spinler namespace phosphor 267f88fe61SMatt Spinler { 277f88fe61SMatt Spinler namespace fan 287f88fe61SMatt Spinler { 297f88fe61SMatt Spinler namespace control 307f88fe61SMatt Spinler { 317f88fe61SMatt Spinler 328600d9a0SMatthew Barth using namespace std::chrono; 339014980aSMatthew Barth using namespace phosphor::fan; 34df3e8d67SMatthew Barth using namespace phosphor::logging; 35618027abSDinesh Chinari using InternalFailure = sdbusplus::xyz::openbmc_project::Common:: 36618027abSDinesh Chinari Error::InternalFailure; 377f88fe61SMatt Spinler 3814184131SMatthew Barth Zone::Zone(Mode mode, 3914184131SMatthew Barth sdbusplus::bus::bus& bus, 408600d9a0SMatthew Barth phosphor::fan::event::EventPtr& events, 417f88fe61SMatt Spinler const ZoneDefinition& def) : 427f88fe61SMatt Spinler _bus(bus), 437f88fe61SMatt Spinler _fullSpeed(std::get<fullSpeedPos>(def)), 441de66629SMatthew Barth _zoneNum(std::get<zoneNumPos>(def)), 45e0ca13ebSMatthew Barth _defFloorSpeed(std::get<floorSpeedPos>(def)), 468600d9a0SMatthew Barth _defCeilingSpeed(std::get<fullSpeedPos>(def)), 47a956184bSMatthew Barth _incDelay(std::get<incDelayPos>(def)), 48a956184bSMatthew Barth _decInterval(std::get<decIntervalPos>(def)), 491ee48f2bSMatthew Barth _incTimer(events, [this](){ this->incTimerExpired(); }), 509014980aSMatthew Barth _decTimer(events, [this](){ this->decTimerExpired(); }), 519014980aSMatthew Barth _sdEvents(events) 527f88fe61SMatt Spinler { 537f88fe61SMatt Spinler auto& fanDefs = std::get<fanListPos>(def); 547f88fe61SMatt Spinler 557f88fe61SMatt Spinler for (auto& def : fanDefs) 567f88fe61SMatt Spinler { 577f88fe61SMatt Spinler _fans.emplace_back(std::make_unique<Fan>(bus, def)); 587f88fe61SMatt Spinler } 5938a93a8aSMatthew Barth 6014184131SMatthew Barth // Do not enable set speed events when in init mode 6114184131SMatthew Barth if (mode != Mode::init) 6214184131SMatthew Barth { 63ccc7770eSMatthew Barth // Setup signal trigger for set speed events 64ccc7770eSMatthew Barth for (auto& event : std::get<setSpeedEventsPos>(def)) 65ccc7770eSMatthew Barth { 66ccc7770eSMatthew Barth initEvent(event); 67ccc7770eSMatthew Barth } 688600d9a0SMatthew Barth // Start timer for fan speed decreases 69a956184bSMatthew Barth if (!_decTimer.running() && _decInterval != seconds::zero()) 708600d9a0SMatthew Barth { 71a956184bSMatthew Barth _decTimer.start(_decInterval, 72d953bb25SMatthew Barth util::Timer::TimerType::repeating); 738600d9a0SMatthew Barth } 747f88fe61SMatt Spinler } 7514184131SMatthew Barth } 767f88fe61SMatt Spinler 777f88fe61SMatt Spinler void Zone::setSpeed(uint64_t speed) 787f88fe61SMatt Spinler { 7960b00766SMatthew Barth if (_isActive) 8060b00766SMatthew Barth { 8160b00766SMatthew Barth _targetSpeed = speed; 827f88fe61SMatt Spinler for (auto& fan : _fans) 837f88fe61SMatt Spinler { 8460b00766SMatthew Barth fan->setSpeed(_targetSpeed); 8560b00766SMatthew Barth } 8660b00766SMatthew Barth } 8760b00766SMatthew Barth } 8860b00766SMatthew Barth 8960b00766SMatthew Barth void Zone::setFullSpeed() 9060b00766SMatthew Barth { 9160b00766SMatthew Barth if (_fullSpeed != 0) 9260b00766SMatthew Barth { 9360b00766SMatthew Barth _targetSpeed = _fullSpeed; 9460b00766SMatthew Barth for (auto& fan : _fans) 9560b00766SMatthew Barth { 9660b00766SMatthew Barth fan->setSpeed(_targetSpeed); 9760b00766SMatthew Barth } 987f88fe61SMatt Spinler } 997f88fe61SMatt Spinler } 1007f88fe61SMatt Spinler 101861d77c3SMatthew Barth void Zone::setActiveAllow(const Group* group, bool isActiveAllow) 102861d77c3SMatthew Barth { 10360b00766SMatthew Barth _active[*(group)] = isActiveAllow; 104861d77c3SMatthew Barth if (!isActiveAllow) 105861d77c3SMatthew Barth { 106861d77c3SMatthew Barth _isActive = false; 107861d77c3SMatthew Barth } 108861d77c3SMatthew Barth else 109861d77c3SMatthew Barth { 110861d77c3SMatthew Barth // Check all entries are set to allow control active 111861d77c3SMatthew Barth auto actPred = [](auto const& entry) {return entry.second;}; 112861d77c3SMatthew Barth _isActive = std::all_of(_active.begin(), 113861d77c3SMatthew Barth _active.end(), 114861d77c3SMatthew Barth actPred); 115861d77c3SMatthew Barth } 116861d77c3SMatthew Barth } 117861d77c3SMatthew Barth 118b4a7cb99SMatthew Barth void Zone::setFloor(uint64_t speed) 119b4a7cb99SMatthew Barth { 120b4a7cb99SMatthew Barth _floorSpeed = speed; 121b4a7cb99SMatthew Barth // Floor speed above target, update target to floor speed 122b4a7cb99SMatthew Barth if (_targetSpeed < _floorSpeed) 123b4a7cb99SMatthew Barth { 124b4a7cb99SMatthew Barth requestSpeedIncrease(_floorSpeed - _targetSpeed); 125b4a7cb99SMatthew Barth } 126b4a7cb99SMatthew Barth } 127b4a7cb99SMatthew Barth 128240397b9SMatthew Barth void Zone::requestSpeedIncrease(uint64_t targetDelta) 129240397b9SMatthew Barth { 130240397b9SMatthew Barth // Only increase speed when delta is higher than 131240397b9SMatthew Barth // the current increase delta for the zone and currently under ceiling 132240397b9SMatthew Barth if (targetDelta > _incSpeedDelta && 133240397b9SMatthew Barth _targetSpeed < _ceilingSpeed) 134240397b9SMatthew Barth { 1354e728542SMatthew Barth auto requestTarget = getRequestSpeedBase(); 13660b00766SMatthew Barth requestTarget = (targetDelta - _incSpeedDelta) + requestTarget; 137240397b9SMatthew Barth _incSpeedDelta = targetDelta; 138240397b9SMatthew Barth // Target speed can not go above a defined ceiling speed 13960b00766SMatthew Barth if (requestTarget > _ceilingSpeed) 140240397b9SMatthew Barth { 14160b00766SMatthew Barth requestTarget = _ceilingSpeed; 142240397b9SMatthew Barth } 1431ee48f2bSMatthew Barth // Cancel current timer countdown 1441ee48f2bSMatthew Barth if (_incTimer.running()) 1451ee48f2bSMatthew Barth { 1461ee48f2bSMatthew Barth _incTimer.stop(); 147240397b9SMatthew Barth } 14860b00766SMatthew Barth setSpeed(requestTarget); 1491ee48f2bSMatthew Barth // Start timer countdown for fan speed increase 150a956184bSMatthew Barth _incTimer.start(_incDelay, 151d953bb25SMatthew Barth util::Timer::TimerType::oneshot); 1521ee48f2bSMatthew Barth } 1531ee48f2bSMatthew Barth } 1541ee48f2bSMatthew Barth 1551ee48f2bSMatthew Barth void Zone::incTimerExpired() 1561ee48f2bSMatthew Barth { 1571ee48f2bSMatthew Barth // Clear increase delta when timer expires allowing additional speed 1581ee48f2bSMatthew Barth // increase requests or speed decreases to occur 159240397b9SMatthew Barth _incSpeedDelta = 0; 160240397b9SMatthew Barth } 161240397b9SMatthew Barth 1620ce99d8bSMatthew Barth void Zone::requestSpeedDecrease(uint64_t targetDelta) 1630ce99d8bSMatthew Barth { 1640ce99d8bSMatthew Barth // Only decrease the lowest target delta requested 1650ce99d8bSMatthew Barth if (_decSpeedDelta == 0 || targetDelta < _decSpeedDelta) 1660ce99d8bSMatthew Barth { 1670ce99d8bSMatthew Barth _decSpeedDelta = targetDelta; 1680ce99d8bSMatthew Barth } 1698600d9a0SMatthew Barth } 1700ce99d8bSMatthew Barth 1718600d9a0SMatthew Barth void Zone::decTimerExpired() 1728600d9a0SMatthew Barth { 1731ee48f2bSMatthew Barth // Only decrease speeds when no requested increases exist and 1741ee48f2bSMatthew Barth // the increase timer is not running (i.e. not in the middle of increasing) 1751ee48f2bSMatthew Barth if (_incSpeedDelta == 0 && !_incTimer.running()) 1760ce99d8bSMatthew Barth { 1774e728542SMatthew Barth auto requestTarget = getRequestSpeedBase(); 1780ce99d8bSMatthew Barth // Target speed can not go below the defined floor speed 17960b00766SMatthew Barth if ((requestTarget < _decSpeedDelta) || 18060b00766SMatthew Barth (requestTarget - _decSpeedDelta < _floorSpeed)) 1810ce99d8bSMatthew Barth { 18260b00766SMatthew Barth requestTarget = _floorSpeed; 1830ce99d8bSMatthew Barth } 1840ce99d8bSMatthew Barth else 1850ce99d8bSMatthew Barth { 18660b00766SMatthew Barth requestTarget = requestTarget - _decSpeedDelta; 1870ce99d8bSMatthew Barth } 18860b00766SMatthew Barth setSpeed(requestTarget); 1890ce99d8bSMatthew Barth } 1900ce99d8bSMatthew Barth // Clear decrease delta when timer expires 1910ce99d8bSMatthew Barth _decSpeedDelta = 0; 1928600d9a0SMatthew Barth // Decrease timer is restarted since its repeating 1930ce99d8bSMatthew Barth } 1940ce99d8bSMatthew Barth 195ccc7770eSMatthew Barth void Zone::initEvent(const SetSpeedEvent& event) 1961bf0ce4bSMatthew Barth { 197*336f18a5SMatthew Barth sdbusplus::message::message nullMsg{nullptr}; 198*336f18a5SMatthew Barth 19967967f9aSMatthew Barth for (auto& sig : std::get<signalsPos>(event)) 2001bf0ce4bSMatthew Barth { 201*336f18a5SMatthew Barth // Initialize the event signal using handler 202*336f18a5SMatthew Barth std::get<sigHandlerPos>(sig)(_bus, nullMsg, *this); 203*336f18a5SMatthew Barth // Setup signal matches of the property for event 204f6b76d8eSMatthew Barth std::unique_ptr<EventData> eventData = 2051bf0ce4bSMatthew Barth std::make_unique<EventData>( 2061bf0ce4bSMatthew Barth EventData 2071bf0ce4bSMatthew Barth { 2081bf0ce4bSMatthew Barth std::get<groupPos>(event), 209*336f18a5SMatthew Barth std::get<sigMatchPos>(sig), 210*336f18a5SMatthew Barth std::get<sigHandlerPos>(sig), 211f9201abbSMatthew Barth std::get<actionsPos>(event) 212f6b76d8eSMatthew Barth } 213f6b76d8eSMatthew Barth ); 214*336f18a5SMatthew Barth std::unique_ptr<sdbusplus::server::match::match> match = nullptr; 215*336f18a5SMatthew Barth if (!std::get<sigMatchPos>(sig).empty()) 216*336f18a5SMatthew Barth { 217*336f18a5SMatthew Barth match = std::make_unique<sdbusplus::server::match::match>( 2181bf0ce4bSMatthew Barth _bus, 219*336f18a5SMatthew Barth std::get<sigMatchPos>(sig).c_str(), 2201bf0ce4bSMatthew Barth std::bind(std::mem_fn(&Zone::handleEvent), 2211bf0ce4bSMatthew Barth this, 2221bf0ce4bSMatthew Barth std::placeholders::_1, 223f6b76d8eSMatthew Barth eventData.get()) 224f6b76d8eSMatthew Barth ); 225*336f18a5SMatthew Barth } 226f6b76d8eSMatthew Barth _signalEvents.emplace_back(std::move(eventData), std::move(match)); 2271bf0ce4bSMatthew Barth } 2289014980aSMatthew Barth // Attach a timer to run the action of an event 2299014980aSMatthew Barth auto eventTimer = std::get<timerPos>(event); 2309014980aSMatthew Barth if (std::get<intervalPos>(eventTimer) != seconds(0)) 2319014980aSMatthew Barth { 2329014980aSMatthew Barth std::unique_ptr<util::Timer> timer = 2339014980aSMatthew Barth std::make_unique<util::Timer>( 2349014980aSMatthew Barth _sdEvents, 2359014980aSMatthew Barth [this, 236f9201abbSMatthew Barth action = &(std::get<actionsPos>(event)), 2379014980aSMatthew Barth group = &(std::get<groupPos>(event))]() 2389014980aSMatthew Barth { 2399014980aSMatthew Barth this->timerExpired(*group, *action); 2409014980aSMatthew Barth }); 2419014980aSMatthew Barth if (!timer->running()) 2429014980aSMatthew Barth { 2439014980aSMatthew Barth timer->start(std::get<intervalPos>(eventTimer), 2449014980aSMatthew Barth util::Timer::TimerType::repeating); 2459014980aSMatthew Barth } 2469014980aSMatthew Barth _timerEvents.emplace_back(std::move(timer)); 2479014980aSMatthew Barth } 248f9201abbSMatthew Barth // Run action functions for initial event state 249f9201abbSMatthew Barth std::for_each( 250f9201abbSMatthew Barth std::get<actionsPos>(event).begin(), 251f9201abbSMatthew Barth std::get<actionsPos>(event).end(), 252f9201abbSMatthew Barth [this, &event](auto const& action) 253f9201abbSMatthew Barth { 254f9201abbSMatthew Barth action(*this, 2551bf0ce4bSMatthew Barth std::get<groupPos>(event)); 256f9201abbSMatthew Barth }); 2571bf0ce4bSMatthew Barth } 2581bf0ce4bSMatthew Barth 259f6b76d8eSMatthew Barth void Zone::removeEvent(const SetSpeedEvent& event) 260f6b76d8eSMatthew Barth { 261f6b76d8eSMatthew Barth // Find the signal event to be removed 262f6b76d8eSMatthew Barth auto it = std::find_if( 263f6b76d8eSMatthew Barth _signalEvents.begin(), 264f6b76d8eSMatthew Barth _signalEvents.end(), 265f6b76d8eSMatthew Barth [&event](auto const& se) 266f6b76d8eSMatthew Barth { 267f6b76d8eSMatthew Barth auto seEventData = *std::get<signalEventDataPos>(se); 268f9201abbSMatthew Barth if (std::get<eventActionsPos>(seEventData).size() != 269f9201abbSMatthew Barth std::get<actionsPos>(event).size()) 270f9201abbSMatthew Barth { 271f9201abbSMatthew Barth return false; 272f9201abbSMatthew Barth } 273f9201abbSMatthew Barth else 274f9201abbSMatthew Barth { 275f9201abbSMatthew Barth // TODO openbmc/openbmc#2328 - Use the action function target 276f9201abbSMatthew Barth // for comparison 277f9201abbSMatthew Barth auto actsEqual = [](auto const& a1, 278f9201abbSMatthew Barth auto const& a2) 279f9201abbSMatthew Barth { 280f9201abbSMatthew Barth return a1.target_type().name() == 281f9201abbSMatthew Barth a2.target_type().name(); 282f9201abbSMatthew Barth }; 283f6b76d8eSMatthew Barth return 284f6b76d8eSMatthew Barth ( 285f6b76d8eSMatthew Barth std::get<eventGroupPos>(seEventData) == 286f6b76d8eSMatthew Barth std::get<groupPos>(event) && 287f9201abbSMatthew Barth std::equal(std::get<actionsPos>(event).begin(), 288f9201abbSMatthew Barth std::get<actionsPos>(event).end(), 289f9201abbSMatthew Barth std::get<eventActionsPos>(seEventData).begin(), 290f9201abbSMatthew Barth actsEqual) 291f6b76d8eSMatthew Barth ); 292f9201abbSMatthew Barth } 293f6b76d8eSMatthew Barth }); 294f6b76d8eSMatthew Barth if (it != std::end(_signalEvents)) 295f6b76d8eSMatthew Barth { 296f6b76d8eSMatthew Barth std::get<signalEventDataPos>(*it).reset(); 297*336f18a5SMatthew Barth if (std::get<signalMatchPos>(*it) != nullptr) 298*336f18a5SMatthew Barth { 299f6b76d8eSMatthew Barth std::get<signalMatchPos>(*it).reset(); 300*336f18a5SMatthew Barth } 301f6b76d8eSMatthew Barth _signalEvents.erase(it); 302f6b76d8eSMatthew Barth } 303f6b76d8eSMatthew Barth } 304f6b76d8eSMatthew Barth 305f9201abbSMatthew Barth void Zone::timerExpired(Group eventGroup, std::vector<Action> eventActions) 3069014980aSMatthew Barth { 307f9201abbSMatthew Barth // Perform the actions 308f9201abbSMatthew Barth std::for_each(eventActions.begin(), 309f9201abbSMatthew Barth eventActions.end(), 310f9201abbSMatthew Barth [this, &eventGroup](auto const& action) 311f9201abbSMatthew Barth { 312f9201abbSMatthew Barth action(*this, eventGroup); 313f9201abbSMatthew Barth }); 3149014980aSMatthew Barth } 3159014980aSMatthew Barth 31638a93a8aSMatthew Barth void Zone::handleEvent(sdbusplus::message::message& msg, 31734f1bda2SMatthew Barth const EventData* eventData) 31838a93a8aSMatthew Barth { 31938a93a8aSMatthew Barth // Handle the callback 32034f1bda2SMatthew Barth std::get<eventHandlerPos>(*eventData)(_bus, msg, *this); 321f9201abbSMatthew Barth // Perform the actions 322f9201abbSMatthew Barth std::for_each( 323f9201abbSMatthew Barth std::get<eventActionsPos>(*eventData).begin(), 324f9201abbSMatthew Barth std::get<eventActionsPos>(*eventData).end(), 325f9201abbSMatthew Barth [this, &eventData](auto const& action) 326f9201abbSMatthew Barth { 327f9201abbSMatthew Barth action(*this, 32834f1bda2SMatthew Barth std::get<eventGroupPos>(*eventData)); 329f9201abbSMatthew Barth }); 33038a93a8aSMatthew Barth } 33138a93a8aSMatthew Barth 3327f88fe61SMatt Spinler } 3337f88fe61SMatt Spinler } 3347f88fe61SMatt Spinler } 335