16714a25aSJames Feist /* 26714a25aSJames Feist // Copyright (c) 2017 Intel Corporation 36714a25aSJames Feist // 46714a25aSJames Feist // Licensed under the Apache License, Version 2.0 (the "License"); 56714a25aSJames Feist // you may not use this file except in compliance with the License. 66714a25aSJames Feist // You may obtain a copy of the License at 76714a25aSJames Feist // 86714a25aSJames Feist // http://www.apache.org/licenses/LICENSE-2.0 96714a25aSJames Feist // 106714a25aSJames Feist // Unless required by applicable law or agreed to in writing, software 116714a25aSJames Feist // distributed under the License is distributed on an "AS IS" BASIS, 126714a25aSJames Feist // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136714a25aSJames Feist // See the License for the specific language governing permissions and 146714a25aSJames Feist // limitations under the License. 156714a25aSJames Feist */ 166714a25aSJames Feist 178a57ec09SEd Tanous #include <HwmonTempSensor.hpp> 188a57ec09SEd Tanous #include <Utils.hpp> 196714a25aSJames Feist #include <boost/algorithm/string/predicate.hpp> 206714a25aSJames Feist #include <boost/algorithm/string/replace.hpp> 2196e97db7SPatrick Venture #include <boost/container/flat_map.hpp> 226714a25aSJames Feist #include <boost/container/flat_set.hpp> 2338fb5983SJames Feist #include <sdbusplus/asio/connection.hpp> 2438fb5983SJames Feist #include <sdbusplus/asio/object_server.hpp> 2538fb5983SJames Feist #include <sdbusplus/bus/match.hpp> 2638fb5983SJames Feist 2738fb5983SJames Feist #include <array> 2824f02f24SJames Feist #include <filesystem> 296714a25aSJames Feist #include <fstream> 3096e97db7SPatrick Venture #include <functional> 3196e97db7SPatrick Venture #include <memory> 326714a25aSJames Feist #include <regex> 3396e97db7SPatrick Venture #include <stdexcept> 3496e97db7SPatrick Venture #include <string> 3596e97db7SPatrick Venture #include <utility> 3696e97db7SPatrick Venture #include <variant> 3796e97db7SPatrick Venture #include <vector> 386714a25aSJames Feist 398a57ec09SEd Tanous static constexpr bool debug = false; 4087bc67f7SJeff Lin static constexpr float pollRateDefault = 0.5; 416714a25aSJames Feist 42cf3bce6eSJames Feist namespace fs = std::filesystem; 43*7ea918f2SZev Weiss static constexpr std::array<const char*, 16> sensorTypes = { 44381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1412", 458b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 46381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1414", 478b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 488b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 4916e7af1dSJason Ling "xyz.openbmc_project.Configuration.MAX6581", 503840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 518fb0a013SJosh Lehan "xyz.openbmc_project.Configuration.SBTSI", 525a3b3f8aSKonstantin Aladyshev "xyz.openbmc_project.Configuration.LM95234", 5355ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 543546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 558b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 568b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 5734fc75a7SKonstantin Aladyshev "xyz.openbmc_project.Configuration.LM75A", 58*7ea918f2SZev Weiss "xyz.openbmc_project.Configuration.TMP75", 59*7ea918f2SZev Weiss "xyz.openbmc_project.Configuration.W83773G"}; 606714a25aSJames Feist 616714a25aSJames Feist void createSensors( 626714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 63f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 646714a25aSJames Feist sensors, 656714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 665591cf08SJames Feist const std::shared_ptr<boost::container::flat_set<std::string>>& 676714a25aSJames Feist sensorsChanged) 686714a25aSJames Feist { 69df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 70df515159SJames Feist dbusConnection, 71df515159SJames Feist std::move([&io, &objectServer, &sensors, &dbusConnection, 725591cf08SJames Feist sensorsChanged]( 73df515159SJames Feist const ManagedObjectType& sensorConfigurations) { 746714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 75df515159SJames Feist 766714a25aSJames Feist std::vector<fs::path> paths; 77df515159SJames Feist if (!findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", 78df515159SJames Feist paths)) 796714a25aSJames Feist { 806714a25aSJames Feist std::cerr << "No temperature sensors in system\n"; 816714a25aSJames Feist return; 826714a25aSJames Feist } 836714a25aSJames Feist 8437266ca9SJames Feist boost::container::flat_set<std::string> directories; 8537266ca9SJames Feist 86df515159SJames Feist // iterate through all found temp sensors, and try to match them 87df515159SJames Feist // with configuration 886714a25aSJames Feist for (auto& path : paths) 896714a25aSJames Feist { 906714a25aSJames Feist std::smatch match; 9137266ca9SJames Feist const std::string& pathStr = path.string(); 926714a25aSJames Feist auto directory = path.parent_path(); 936714a25aSJames Feist 9437266ca9SJames Feist auto ret = directories.insert(directory.string()); 9537266ca9SJames Feist if (!ret.second) 966714a25aSJames Feist { 9737266ca9SJames Feist continue; // already searched this path 9837266ca9SJames Feist } 9937266ca9SJames Feist 100b6c0b914SJames Feist fs::path device = directory / "device"; 10137266ca9SJames Feist std::string deviceName = fs::canonical(device).stem(); 1028a57ec09SEd Tanous auto findHyphen = deviceName.find('-'); 10337266ca9SJames Feist if (findHyphen == std::string::npos) 10437266ca9SJames Feist { 10537266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 1066714a25aSJames Feist continue; 1076714a25aSJames Feist } 10837266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 10937266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 11037266ca9SJames Feist 11137266ca9SJames Feist size_t bus = 0; 11237266ca9SJames Feist size_t addr = 0; 11337266ca9SJames Feist try 1146714a25aSJames Feist { 11537266ca9SJames Feist bus = std::stoi(busStr); 1168a57ec09SEd Tanous addr = std::stoi(addrStr, nullptr, 16); 11737266ca9SJames Feist } 118b6c0b914SJames Feist catch (std::invalid_argument&) 11937266ca9SJames Feist { 1206714a25aSJames Feist continue; 1216714a25aSJames Feist } 1226714a25aSJames Feist const SensorData* sensorData = nullptr; 1236714a25aSJames Feist const std::string* interfacePath = nullptr; 12437266ca9SJames Feist const char* sensorType = nullptr; 1258b3f7d40SAlex Qiu const SensorBaseConfiguration* baseConfiguration = nullptr; 1268b3f7d40SAlex Qiu const SensorBaseConfigMap* baseConfigMap = nullptr; 12737266ca9SJames Feist 128df515159SJames Feist for (const std::pair<sdbusplus::message::object_path, 129df515159SJames Feist SensorData>& sensor : sensorConfigurations) 13037266ca9SJames Feist { 13137266ca9SJames Feist sensorData = &(sensor.second); 1329ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 1336714a25aSJames Feist { 1346714a25aSJames Feist auto sensorBase = sensorData->find(type); 1356714a25aSJames Feist if (sensorBase != sensorData->end()) 1366714a25aSJames Feist { 1376714a25aSJames Feist baseConfiguration = &(*sensorBase); 1386714a25aSJames Feist sensorType = type; 1396714a25aSJames Feist break; 1406714a25aSJames Feist } 1416714a25aSJames Feist } 1426714a25aSJames Feist if (baseConfiguration == nullptr) 1436714a25aSJames Feist { 14437266ca9SJames Feist std::cerr << "error finding base configuration for " 14537266ca9SJames Feist << deviceName << "\n"; 14637266ca9SJames Feist continue; 14737266ca9SJames Feist } 1488b3f7d40SAlex Qiu baseConfigMap = &baseConfiguration->second; 1498b3f7d40SAlex Qiu auto configurationBus = baseConfigMap->find("Bus"); 1508b3f7d40SAlex Qiu auto configurationAddress = baseConfigMap->find("Address"); 15137266ca9SJames Feist 1528b3f7d40SAlex Qiu if (configurationBus == baseConfigMap->end() || 1538b3f7d40SAlex Qiu configurationAddress == baseConfigMap->end()) 15437266ca9SJames Feist { 1558b3f7d40SAlex Qiu std::cerr << "error finding bus or address in " 1568b3f7d40SAlex Qiu "configuration\n"; 15737266ca9SJames Feist continue; 15837266ca9SJames Feist } 15937266ca9SJames Feist 1603eb82629SJames Feist if (std::get<uint64_t>(configurationBus->second) != bus || 161df515159SJames Feist std::get<uint64_t>(configurationAddress->second) != 162df515159SJames Feist addr) 16337266ca9SJames Feist { 16437266ca9SJames Feist continue; 16537266ca9SJames Feist } 16637266ca9SJames Feist 16737266ca9SJames Feist interfacePath = &(sensor.first.str); 16837266ca9SJames Feist break; 16937266ca9SJames Feist } 17037266ca9SJames Feist if (interfacePath == nullptr) 17137266ca9SJames Feist { 172df515159SJames Feist std::cerr << "failed to find match for " << deviceName 173df515159SJames Feist << "\n"; 1746714a25aSJames Feist continue; 1756714a25aSJames Feist } 1766714a25aSJames Feist 1778b3f7d40SAlex Qiu auto findSensorName = baseConfigMap->find("Name"); 1788b3f7d40SAlex Qiu if (findSensorName == baseConfigMap->end()) 1796714a25aSJames Feist { 1806714a25aSJames Feist std::cerr << "could not determine configuration name for " 18137266ca9SJames Feist << deviceName << "\n"; 1826714a25aSJames Feist continue; 1836714a25aSJames Feist } 184df515159SJames Feist std::string sensorName = 185df515159SJames Feist std::get<std::string>(findSensorName->second); 1866714a25aSJames Feist // on rescans, only update sensors we were signaled by 1876714a25aSJames Feist auto findSensor = sensors.find(sensorName); 1886714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 1896714a25aSJames Feist { 1906714a25aSJames Feist bool found = false; 191df515159SJames Feist for (auto it = sensorsChanged->begin(); 192df515159SJames Feist it != sensorsChanged->end(); it++) 1936714a25aSJames Feist { 1946714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 1956714a25aSJames Feist { 1966714a25aSJames Feist sensorsChanged->erase(it); 1976714a25aSJames Feist findSensor->second = nullptr; 1986714a25aSJames Feist found = true; 1996714a25aSJames Feist break; 2006714a25aSJames Feist } 2016714a25aSJames Feist } 2026714a25aSJames Feist if (!found) 2036714a25aSJames Feist { 2046714a25aSJames Feist continue; 2056714a25aSJames Feist } 2066714a25aSJames Feist } 2076714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 2089ced0a38SJae Hyun Yoo if (!parseThresholdsFromConfig(*sensorData, sensorThresholds)) 2096714a25aSJames Feist { 210df515159SJames Feist std::cerr << "error populating thresholds for " 211df515159SJames Feist << sensorName << "\n"; 2126714a25aSJames Feist } 21387bc67f7SJeff Lin 21487bc67f7SJeff Lin auto findPollRate = baseConfiguration->second.find("PollRate"); 21587bc67f7SJeff Lin float pollRate = pollRateDefault; 21687bc67f7SJeff Lin if (findPollRate != baseConfiguration->second.end()) 21787bc67f7SJeff Lin { 21887bc67f7SJeff Lin pollRate = std::visit(VariantToFloatVisitor(), 21987bc67f7SJeff Lin findPollRate->second); 22087bc67f7SJeff Lin if (pollRate <= 0.0f) 22187bc67f7SJeff Lin { 22287bc67f7SJeff Lin pollRate = pollRateDefault; // polling time too short 22387bc67f7SJeff Lin } 22487bc67f7SJeff Lin } 22587bc67f7SJeff Lin 226f9b01b6dSJames Feist auto findPowerOn = baseConfiguration->second.find("PowerState"); 227f9b01b6dSJames Feist PowerState readState = PowerState::always; 228f9b01b6dSJames Feist if (findPowerOn != baseConfiguration->second.end()) 229f9b01b6dSJames Feist { 230f9b01b6dSJames Feist std::string powerState = std::visit( 231f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 232f9b01b6dSJames Feist setReadState(powerState, readState); 233f9b01b6dSJames Feist } 234100c20bfSJason Ling 235100c20bfSJason Ling auto permitSet = getPermitSet(*baseConfigMap); 2368b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2378b3f7d40SAlex Qiu sensor = nullptr; 238100c20bfSJason Ling auto hwmonFile = getFullHwmonFilePath(directory.string(), 239100c20bfSJason Ling "temp1", permitSet); 240100c20bfSJason Ling if (hwmonFile) 241100c20bfSJason Ling { 242f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 243100c20bfSJason Ling *hwmonFile, sensorType, objectServer, dbusConnection, 24487bc67f7SJeff Lin io, sensorName, std::move(sensorThresholds), pollRate, 245100c20bfSJason Ling *interfacePath, readState); 246f3fd1915SYong Li sensor->setupRead(); 247100c20bfSJason Ling } 2488b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 2498b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 2508b3f7d40SAlex Qiu int i = 0; 2518b3f7d40SAlex Qiu while (true) 25237266ca9SJames Feist { 2538b3f7d40SAlex Qiu ++i; 2548b3f7d40SAlex Qiu auto findKey = 2558b8bcc87SJason Ling baseConfigMap->find("Name" + std::to_string(i)); 2568b3f7d40SAlex Qiu if (findKey == baseConfigMap->end()) 2578b3f7d40SAlex Qiu { 2588b3f7d40SAlex Qiu break; 25937266ca9SJames Feist } 2608b3f7d40SAlex Qiu std::string sensorName = 2618b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 262100c20bfSJason Ling hwmonFile = getFullHwmonFilePath( 263100c20bfSJason Ling directory.string(), "temp" + std::to_string(i + 1), 264100c20bfSJason Ling permitSet); 265100c20bfSJason Ling if (hwmonFile) 266100c20bfSJason Ling { 2678b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 2688b3f7d40SAlex Qiu sensor = nullptr; 269f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 270100c20bfSJason Ling *hwmonFile, sensorType, objectServer, 271100c20bfSJason Ling dbusConnection, io, sensorName, 27287bc67f7SJeff Lin std::vector<thresholds::Threshold>(), pollRate, 273f9b01b6dSJames Feist *interfacePath, readState); 274f3fd1915SYong Li sensor->setupRead(); 2758b3f7d40SAlex Qiu } 2766714a25aSJames Feist } 277100c20bfSJason Ling } 278df515159SJames Feist })); 279df515159SJames Feist getter->getConfiguration( 280df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 2816714a25aSJames Feist } 2826714a25aSJames Feist 283b6c0b914SJames Feist int main() 2846714a25aSJames Feist { 2856714a25aSJames Feist boost::asio::io_service io; 2866714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 2876714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 2886714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 289f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 2906714a25aSJames Feist sensors; 2916714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 2925591cf08SJames Feist auto sensorsChanged = 2935591cf08SJames Feist std::make_shared<boost::container::flat_set<std::string>>(); 2946714a25aSJames Feist 2956714a25aSJames Feist io.post([&]() { 2966714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 2976714a25aSJames Feist }); 2986714a25aSJames Feist 2996714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 3006714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 3016714a25aSJames Feist [&](sdbusplus::message::message& message) { 3026714a25aSJames Feist if (message.is_method_error()) 3036714a25aSJames Feist { 3046714a25aSJames Feist std::cerr << "callback method error\n"; 3056714a25aSJames Feist return; 3066714a25aSJames Feist } 3076714a25aSJames Feist sensorsChanged->insert(message.get_path()); 3086714a25aSJames Feist // this implicitly cancels the timer 3096714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 3106714a25aSJames Feist 3116714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 3126714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 3136714a25aSJames Feist { 3146714a25aSJames Feist /* we were canceled*/ 3156714a25aSJames Feist return; 3166714a25aSJames Feist } 3178a57ec09SEd Tanous if (ec) 3186714a25aSJames Feist { 3196714a25aSJames Feist std::cerr << "timer error\n"; 3206714a25aSJames Feist return; 3216714a25aSJames Feist } 3226714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 3236714a25aSJames Feist sensorsChanged); 3246714a25aSJames Feist }); 3256714a25aSJames Feist }; 3266714a25aSJames Feist 3279ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 3286714a25aSJames Feist { 3296714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 3306714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 3316714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 3329ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 3336714a25aSJames Feist eventHandler); 3346714a25aSJames Feist matches.emplace_back(std::move(match)); 3356714a25aSJames Feist } 3366714a25aSJames Feist 3376714a25aSJames Feist io.run(); 3386714a25aSJames Feist } 339