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 3987bc67f7SJeff Lin static constexpr float pollRateDefault = 0.5; 406714a25aSJames Feist 41544e7dc5SBruce Mitchell static constexpr double maxValuePressure = 120000; // Pascals 42544e7dc5SBruce Mitchell static constexpr double minValuePressure = 30000; // Pascals 43544e7dc5SBruce Mitchell 443ec41c53SBruce Mitchell static constexpr double maxValueRelativeHumidity = 100; // PercentRH 453ec41c53SBruce Mitchell static constexpr double minValueRelativeHumidity = 0; // PercentRH 463ec41c53SBruce Mitchell 47544e7dc5SBruce Mitchell static constexpr double maxValueTemperature = 127; // DegreesC 48544e7dc5SBruce Mitchell static constexpr double minValueTemperature = -128; // DegreesC 49544e7dc5SBruce Mitchell 50cf3bce6eSJames Feist namespace fs = std::filesystem; 5166558235SBrandon Kim static auto sensorTypes{ 524786334fSPotin Lai std::to_array<const char*>({"xyz.openbmc_project.Configuration.DPS310", 534786334fSPotin Lai "xyz.openbmc_project.Configuration.EMC1412", 548b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 55381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1414", 564786334fSPotin Lai "xyz.openbmc_project.Configuration.HDC1080", 574786334fSPotin Lai "xyz.openbmc_project.Configuration.JC42", 584786334fSPotin Lai "xyz.openbmc_project.Configuration.LM75A", 594786334fSPotin Lai "xyz.openbmc_project.Configuration.LM95234", 608b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 618b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 6216e7af1dSJason Ling "xyz.openbmc_project.Configuration.MAX6581", 633840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 645770a6fdSOskar Senft "xyz.openbmc_project.Configuration.NCT7802", 658fb0a013SJosh Lehan "xyz.openbmc_project.Configuration.SBTSI", 664786334fSPotin Lai "xyz.openbmc_project.Configuration.SI7020", 6755ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 683546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 698b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 708b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 717ea918f2SZev Weiss "xyz.openbmc_project.Configuration.TMP75", 724786334fSPotin Lai "xyz.openbmc_project.Configuration.W83773G"})}; 736714a25aSJames Feist 74544e7dc5SBruce Mitchell static struct SensorParams 75544e7dc5SBruce Mitchell getSensorParameters(const std::filesystem::path& path) 76544e7dc5SBruce Mitchell { 77544e7dc5SBruce Mitchell // offset is to default to 0 and scale to 1, see lore 78544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 79544e7dc5SBruce Mitchell struct SensorParams tmpSensorParameters = {.minValue = minValueTemperature, 80544e7dc5SBruce Mitchell .maxValue = maxValueTemperature, 81544e7dc5SBruce Mitchell .offsetValue = 0.0, 82544e7dc5SBruce Mitchell .scaleValue = 1.0, 835a86e562SBruce Mitchell .units = 845a86e562SBruce Mitchell sensor_paths::unitDegreesC, 85544e7dc5SBruce Mitchell .typeName = "temperature"}; 86544e7dc5SBruce Mitchell 87544e7dc5SBruce Mitchell // For IIO RAW sensors we get a raw_value, an offset, and scale 88544e7dc5SBruce Mitchell // to compute the value = (raw_value + offset) * scale 89544e7dc5SBruce Mitchell // with a _raw IIO device we need to get the 90544e7dc5SBruce Mitchell // offsetValue and scaleValue from the driver 91544e7dc5SBruce Mitchell // these are used to compute the reading in 92544e7dc5SBruce Mitchell // units that have yet to be scaled for D-Bus. 93544e7dc5SBruce Mitchell const std::string pathStr = path.string(); 94544e7dc5SBruce Mitchell if (pathStr.ends_with("_raw")) 95544e7dc5SBruce Mitchell { 96544e7dc5SBruce Mitchell std::string pathOffsetStr = 97544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_offset"; 98544e7dc5SBruce Mitchell std::optional<double> tmpOffsetValue = readFile(pathOffsetStr, 1.0); 99544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 100544e7dc5SBruce Mitchell // This is not an error condition see lore 101544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 102544e7dc5SBruce Mitchell if (tmpOffsetValue) 103544e7dc5SBruce Mitchell { 104544e7dc5SBruce Mitchell tmpSensorParameters.offsetValue = *tmpOffsetValue; 105544e7dc5SBruce Mitchell } 106544e7dc5SBruce Mitchell 107544e7dc5SBruce Mitchell std::string pathScaleStr = 108544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_scale"; 109544e7dc5SBruce Mitchell std::optional<double> tmpScaleValue = readFile(pathScaleStr, 1.0); 110544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 111544e7dc5SBruce Mitchell // This is not an error condition see lore 112544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 113544e7dc5SBruce Mitchell if (tmpScaleValue) 114544e7dc5SBruce Mitchell { 115544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue = *tmpScaleValue; 116544e7dc5SBruce Mitchell } 117544e7dc5SBruce Mitchell } 118544e7dc5SBruce Mitchell 119544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, we need 120544e7dc5SBruce Mitchell // degrees Celsius. Pressures are read in kilopascal, we need 121544e7dc5SBruce Mitchell // Pascals. On D-Bus for Open BMC we use the International 122544e7dc5SBruce Mitchell // System of Units without prefixes. Links to the kernel 123544e7dc5SBruce Mitchell // documentation: 124544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface 125544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-iio 126544e7dc5SBruce Mitchell if (path.filename() == "in_pressure_input" || 127544e7dc5SBruce Mitchell path.filename() == "in_pressure_raw") 128544e7dc5SBruce Mitchell { 129544e7dc5SBruce Mitchell tmpSensorParameters.minValue = minValuePressure; 130544e7dc5SBruce Mitchell tmpSensorParameters.maxValue = maxValuePressure; 131544e7dc5SBruce Mitchell // Pressures are read in kilopascal, we need Pascals. 132544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 1000.0; 133544e7dc5SBruce Mitchell tmpSensorParameters.typeName = "pressure"; 1345a86e562SBruce Mitchell tmpSensorParameters.units = sensor_paths::unitPascals; 135544e7dc5SBruce Mitchell } 1363ec41c53SBruce Mitchell else if (path.filename() == "in_humidityrelative_input" || 1373ec41c53SBruce Mitchell path.filename() == "in_humidityrelative_raw") 1383ec41c53SBruce Mitchell { 1393ec41c53SBruce Mitchell tmpSensorParameters.minValue = minValueRelativeHumidity; 1403ec41c53SBruce Mitchell tmpSensorParameters.maxValue = maxValueRelativeHumidity; 1413ec41c53SBruce Mitchell // Relative Humidity are read in milli-percent, we need percent. 1423ec41c53SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 1433ec41c53SBruce Mitchell tmpSensorParameters.typeName = "humidity"; 1443ec41c53SBruce Mitchell tmpSensorParameters.units = "PercentRH"; 1453ec41c53SBruce Mitchell } 146544e7dc5SBruce Mitchell else 147544e7dc5SBruce Mitchell { 148544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, 149544e7dc5SBruce Mitchell // we need degrees Celsius. 150544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 151544e7dc5SBruce Mitchell } 152544e7dc5SBruce Mitchell 153544e7dc5SBruce Mitchell return tmpSensorParameters; 154544e7dc5SBruce Mitchell } 155544e7dc5SBruce Mitchell 156*9f3a74edSJayashree Dhanapal struct SensorConfigKey 157*9f3a74edSJayashree Dhanapal { 158*9f3a74edSJayashree Dhanapal uint64_t bus; 159*9f3a74edSJayashree Dhanapal uint64_t addr; 160*9f3a74edSJayashree Dhanapal bool operator<(const SensorConfigKey& other) const 161*9f3a74edSJayashree Dhanapal { 162*9f3a74edSJayashree Dhanapal if (bus != other.bus) 163*9f3a74edSJayashree Dhanapal { 164*9f3a74edSJayashree Dhanapal return bus < other.bus; 165*9f3a74edSJayashree Dhanapal } 166*9f3a74edSJayashree Dhanapal return addr < other.addr; 167*9f3a74edSJayashree Dhanapal } 168*9f3a74edSJayashree Dhanapal }; 169*9f3a74edSJayashree Dhanapal 170*9f3a74edSJayashree Dhanapal struct SensorConfig 171*9f3a74edSJayashree Dhanapal { 172*9f3a74edSJayashree Dhanapal std::string sensorPath; 173*9f3a74edSJayashree Dhanapal SensorData sensorData; 174*9f3a74edSJayashree Dhanapal std::string interface; 175*9f3a74edSJayashree Dhanapal SensorBaseConfigMap config; 176*9f3a74edSJayashree Dhanapal std::vector<std::string> name; 177*9f3a74edSJayashree Dhanapal }; 178*9f3a74edSJayashree Dhanapal 179*9f3a74edSJayashree Dhanapal using SensorConfigMap = 180*9f3a74edSJayashree Dhanapal boost::container::flat_map<SensorConfigKey, SensorConfig>; 181*9f3a74edSJayashree Dhanapal 182*9f3a74edSJayashree Dhanapal static SensorConfigMap 183*9f3a74edSJayashree Dhanapal buildSensorConfigMap(const ManagedObjectType& sensorConfigs) 184*9f3a74edSJayashree Dhanapal { 185*9f3a74edSJayashree Dhanapal SensorConfigMap configMap; 186*9f3a74edSJayashree Dhanapal for (const std::pair<sdbusplus::message::object_path, SensorData>& sensor : 187*9f3a74edSJayashree Dhanapal sensorConfigs) 188*9f3a74edSJayashree Dhanapal { 189*9f3a74edSJayashree Dhanapal for (const std::pair<std::string, SensorBaseConfigMap>& cfgmap : 190*9f3a74edSJayashree Dhanapal sensor.second) 191*9f3a74edSJayashree Dhanapal { 192*9f3a74edSJayashree Dhanapal const SensorBaseConfigMap& cfg = cfgmap.second; 193*9f3a74edSJayashree Dhanapal auto busCfg = cfg.find("Bus"); 194*9f3a74edSJayashree Dhanapal auto addrCfg = cfg.find("Address"); 195*9f3a74edSJayashree Dhanapal if ((busCfg == cfg.end()) || (addrCfg == cfg.end())) 196*9f3a74edSJayashree Dhanapal { 197*9f3a74edSJayashree Dhanapal std::cerr << sensor.first.str << " missing Bus or Address\n"; 198*9f3a74edSJayashree Dhanapal continue; 199*9f3a74edSJayashree Dhanapal } 200*9f3a74edSJayashree Dhanapal 201*9f3a74edSJayashree Dhanapal if ((!std::get_if<uint64_t>(&busCfg->second)) || 202*9f3a74edSJayashree Dhanapal (!std::get_if<uint64_t>(&addrCfg->second))) 203*9f3a74edSJayashree Dhanapal { 204*9f3a74edSJayashree Dhanapal std::cerr << sensor.first.str << " Bus or Address invalid\n"; 205*9f3a74edSJayashree Dhanapal continue; 206*9f3a74edSJayashree Dhanapal } 207*9f3a74edSJayashree Dhanapal 208*9f3a74edSJayashree Dhanapal std::vector<std::string> hwmonNames; 209*9f3a74edSJayashree Dhanapal auto nameCfg = cfg.find("Name"); 210*9f3a74edSJayashree Dhanapal if (nameCfg != cfg.end()) 211*9f3a74edSJayashree Dhanapal { 212*9f3a74edSJayashree Dhanapal hwmonNames.push_back(std::get<std::string>(nameCfg->second)); 213*9f3a74edSJayashree Dhanapal size_t i = 1; 214*9f3a74edSJayashree Dhanapal while (true) 215*9f3a74edSJayashree Dhanapal { 216*9f3a74edSJayashree Dhanapal auto sensorNameCfg = cfg.find("Name" + std::to_string(i)); 217*9f3a74edSJayashree Dhanapal if (sensorNameCfg == cfg.end()) 218*9f3a74edSJayashree Dhanapal { 219*9f3a74edSJayashree Dhanapal break; 220*9f3a74edSJayashree Dhanapal } 221*9f3a74edSJayashree Dhanapal hwmonNames.push_back( 222*9f3a74edSJayashree Dhanapal std::get<std::string>(sensorNameCfg->second)); 223*9f3a74edSJayashree Dhanapal i++; 224*9f3a74edSJayashree Dhanapal } 225*9f3a74edSJayashree Dhanapal } 226*9f3a74edSJayashree Dhanapal 227*9f3a74edSJayashree Dhanapal SensorConfigKey key = {std::get<uint64_t>(busCfg->second), 228*9f3a74edSJayashree Dhanapal std::get<uint64_t>(addrCfg->second)}; 229*9f3a74edSJayashree Dhanapal SensorConfig val = {sensor.first.str, sensor.second, cfgmap.first, 230*9f3a74edSJayashree Dhanapal cfg, hwmonNames}; 231*9f3a74edSJayashree Dhanapal 232*9f3a74edSJayashree Dhanapal auto [it, inserted] = configMap.emplace(key, std::move(val)); 233*9f3a74edSJayashree Dhanapal if (!inserted) 234*9f3a74edSJayashree Dhanapal { 235*9f3a74edSJayashree Dhanapal std::cerr << sensor.first.str 236*9f3a74edSJayashree Dhanapal << ": ignoring duplicate entry for {" << key.bus 237*9f3a74edSJayashree Dhanapal << ", 0x" << std::hex << key.addr << std::dec 238*9f3a74edSJayashree Dhanapal << "}\n"; 239*9f3a74edSJayashree Dhanapal } 240*9f3a74edSJayashree Dhanapal } 241*9f3a74edSJayashree Dhanapal } 242*9f3a74edSJayashree Dhanapal return configMap; 243*9f3a74edSJayashree Dhanapal } 244*9f3a74edSJayashree Dhanapal 2456714a25aSJames Feist void createSensors( 2466714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 247f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 2486714a25aSJames Feist sensors, 2496714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 2505591cf08SJames Feist const std::shared_ptr<boost::container::flat_set<std::string>>& 2516714a25aSJames Feist sensorsChanged) 2526714a25aSJames Feist { 253df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 254df515159SJames Feist dbusConnection, 2558a17c303SEd Tanous [&io, &objectServer, &sensors, &dbusConnection, 2568a17c303SEd Tanous sensorsChanged](const ManagedObjectType& sensorConfigurations) { 2576714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 258df515159SJames Feist 259*9f3a74edSJayashree Dhanapal SensorConfigMap configMap = 260*9f3a74edSJayashree Dhanapal buildSensorConfigMap(sensorConfigurations); 261*9f3a74edSJayashree Dhanapal 262544e7dc5SBruce Mitchell // IIO _raw devices look like this on sysfs: 263544e7dc5SBruce Mitchell // /sys/bus/iio/devices/iio:device0/in_temp_raw 264544e7dc5SBruce Mitchell // /sys/bus/iio/devices/iio:device0/in_temp_offset 265544e7dc5SBruce Mitchell // /sys/bus/iio/devices/iio:device0/in_temp_scale 266544e7dc5SBruce Mitchell // 267544e7dc5SBruce Mitchell // Other IIO devices look like this on sysfs: 268544e7dc5SBruce Mitchell // /sys/bus/iio/devices/iio:device1/in_temp_input 269544e7dc5SBruce Mitchell // /sys/bus/iio/devices/iio:device1/in_pressure_input 2706714a25aSJames Feist std::vector<fs::path> paths; 271544e7dc5SBruce Mitchell fs::path root("/sys/bus/iio/devices"); 272544e7dc5SBruce Mitchell findFiles(root, R"(in_temp\d*_(input|raw))", paths); 273544e7dc5SBruce Mitchell findFiles(root, R"(in_pressure\d*_(input|raw))", paths); 2743ec41c53SBruce Mitchell findFiles(root, R"(in_humidityrelative\d*_(input|raw))", paths); 275544e7dc5SBruce Mitchell findFiles(fs::path("/sys/class/hwmon"), R"(temp\d+_input)", paths); 276544e7dc5SBruce Mitchell 277544e7dc5SBruce Mitchell if (paths.empty()) 2786714a25aSJames Feist { 2796714a25aSJames Feist return; 2806714a25aSJames Feist } 2816714a25aSJames Feist 282544e7dc5SBruce Mitchell // iterate through all found temp and pressure sensors, 283544e7dc5SBruce Mitchell // and try to match them with configuration 2846714a25aSJames Feist for (auto& path : paths) 2856714a25aSJames Feist { 2866714a25aSJames Feist std::smatch match; 287544e7dc5SBruce Mitchell const std::string pathStr = path.string(); 2886714a25aSJames Feist auto directory = path.parent_path(); 289544e7dc5SBruce Mitchell fs::path device; 2906714a25aSJames Feist 291544e7dc5SBruce Mitchell std::string deviceName; 292544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 2936714a25aSJames Feist { 294544e7dc5SBruce Mitchell device = fs::canonical(directory); 295544e7dc5SBruce Mitchell deviceName = device.parent_path().stem(); 29637266ca9SJames Feist } 297544e7dc5SBruce Mitchell else 298544e7dc5SBruce Mitchell { 299544e7dc5SBruce Mitchell device = directory / "device"; 300544e7dc5SBruce Mitchell deviceName = fs::canonical(device).stem(); 301544e7dc5SBruce Mitchell } 3028a57ec09SEd Tanous auto findHyphen = deviceName.find('-'); 30337266ca9SJames Feist if (findHyphen == std::string::npos) 30437266ca9SJames Feist { 30537266ca9SJames Feist std::cerr << "found bad device " << deviceName << "\n"; 3066714a25aSJames Feist continue; 3076714a25aSJames Feist } 30837266ca9SJames Feist std::string busStr = deviceName.substr(0, findHyphen); 30937266ca9SJames Feist std::string addrStr = deviceName.substr(findHyphen + 1); 31037266ca9SJames Feist 31137266ca9SJames Feist size_t bus = 0; 31237266ca9SJames Feist size_t addr = 0; 31337266ca9SJames Feist try 3146714a25aSJames Feist { 31537266ca9SJames Feist bus = std::stoi(busStr); 3168a57ec09SEd Tanous addr = std::stoi(addrStr, nullptr, 16); 31737266ca9SJames Feist } 31826601e89SPatrick Williams catch (const std::invalid_argument&) 31937266ca9SJames Feist { 3206714a25aSJames Feist continue; 3216714a25aSJames Feist } 32237266ca9SJames Feist 323544e7dc5SBruce Mitchell auto thisSensorParameters = getSensorParameters(path); 324*9f3a74edSJayashree Dhanapal auto findSensorCfg = configMap.find({bus, addr}); 325*9f3a74edSJayashree Dhanapal if (findSensorCfg == configMap.end()) 32637266ca9SJames Feist { 32737266ca9SJames Feist continue; 32837266ca9SJames Feist } 32937266ca9SJames Feist 330*9f3a74edSJayashree Dhanapal const std::string& interfacePath = 331*9f3a74edSJayashree Dhanapal findSensorCfg->second.sensorPath; 332*9f3a74edSJayashree Dhanapal const SensorData& sensorData = findSensorCfg->second.sensorData; 333*9f3a74edSJayashree Dhanapal const std::string& sensorType = findSensorCfg->second.interface; 334*9f3a74edSJayashree Dhanapal const SensorBaseConfigMap& baseConfigMap = 335*9f3a74edSJayashree Dhanapal findSensorCfg->second.config; 336*9f3a74edSJayashree Dhanapal std::vector<std::string>& hwmonName = 337*9f3a74edSJayashree Dhanapal findSensorCfg->second.name; 3386714a25aSJames Feist 339544e7dc5SBruce Mitchell // Temperature has "Name", pressure has "Name1" 340*9f3a74edSJayashree Dhanapal auto findSensorName = baseConfigMap.find("Name"); 3413ec41c53SBruce Mitchell if (thisSensorParameters.typeName == "pressure" || 3423ec41c53SBruce Mitchell thisSensorParameters.typeName == "humidity") 343544e7dc5SBruce Mitchell { 344*9f3a74edSJayashree Dhanapal findSensorName = baseConfigMap.find("Name1"); 345544e7dc5SBruce Mitchell } 346544e7dc5SBruce Mitchell 347*9f3a74edSJayashree Dhanapal if (findSensorName == baseConfigMap.end()) 3486714a25aSJames Feist { 3496714a25aSJames Feist std::cerr << "could not determine configuration name for " 35037266ca9SJames Feist << deviceName << "\n"; 3516714a25aSJames Feist continue; 3526714a25aSJames Feist } 353df515159SJames Feist std::string sensorName = 354df515159SJames Feist std::get<std::string>(findSensorName->second); 3556714a25aSJames Feist // on rescans, only update sensors we were signaled by 3566714a25aSJames Feist auto findSensor = sensors.find(sensorName); 3576714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 3586714a25aSJames Feist { 3596714a25aSJames Feist bool found = false; 360d653b75cSBruce Mitchell auto it = sensorsChanged->begin(); 361d653b75cSBruce Mitchell while (it != sensorsChanged->end()) 3626714a25aSJames Feist { 3636714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 3646714a25aSJames Feist { 365d653b75cSBruce Mitchell it = sensorsChanged->erase(it); 3666714a25aSJames Feist findSensor->second = nullptr; 3676714a25aSJames Feist found = true; 3686714a25aSJames Feist break; 3696714a25aSJames Feist } 370d653b75cSBruce Mitchell ++it; 3716714a25aSJames Feist } 3726714a25aSJames Feist if (!found) 3736714a25aSJames Feist { 3746714a25aSJames Feist continue; 3756714a25aSJames Feist } 3766714a25aSJames Feist } 3775636d52bSMatt Spinler 3786714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 3795636d52bSMatt Spinler int index = 1; 3805636d52bSMatt Spinler 381*9f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, sensorThresholds, 3825636d52bSMatt Spinler nullptr, &index)) 3836714a25aSJames Feist { 384df515159SJames Feist std::cerr << "error populating thresholds for " 3855636d52bSMatt Spinler << sensorName << " index 1\n"; 3866714a25aSJames Feist } 38787bc67f7SJeff Lin 388*9f3a74edSJayashree Dhanapal auto findPollRate = baseConfigMap.find("PollRate"); 38987bc67f7SJeff Lin float pollRate = pollRateDefault; 390*9f3a74edSJayashree Dhanapal if (findPollRate != baseConfigMap.end()) 39187bc67f7SJeff Lin { 39287bc67f7SJeff Lin pollRate = std::visit(VariantToFloatVisitor(), 39387bc67f7SJeff Lin findPollRate->second); 39487bc67f7SJeff Lin if (pollRate <= 0.0f) 39587bc67f7SJeff Lin { 39687bc67f7SJeff Lin pollRate = pollRateDefault; // polling time too short 39787bc67f7SJeff Lin } 39887bc67f7SJeff Lin } 39987bc67f7SJeff Lin 400*9f3a74edSJayashree Dhanapal auto findPowerOn = baseConfigMap.find("PowerState"); 401f9b01b6dSJames Feist PowerState readState = PowerState::always; 402*9f3a74edSJayashree Dhanapal if (findPowerOn != baseConfigMap.end()) 403f9b01b6dSJames Feist { 404f9b01b6dSJames Feist std::string powerState = std::visit( 405f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 406f9b01b6dSJames Feist setReadState(powerState, readState); 407f9b01b6dSJames Feist } 408100c20bfSJason Ling 409*9f3a74edSJayashree Dhanapal auto permitSet = getPermitSet(baseConfigMap); 4108b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4118b3f7d40SAlex Qiu sensor = nullptr; 412100c20bfSJason Ling auto hwmonFile = getFullHwmonFilePath(directory.string(), 413100c20bfSJason Ling "temp1", permitSet); 414544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 415544e7dc5SBruce Mitchell { 416544e7dc5SBruce Mitchell hwmonFile = pathStr; 417544e7dc5SBruce Mitchell } 418100c20bfSJason Ling if (hwmonFile) 419100c20bfSJason Ling { 420f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 421100c20bfSJason Ling *hwmonFile, sensorType, objectServer, dbusConnection, 422544e7dc5SBruce Mitchell io, sensorName, std::move(sensorThresholds), 423*9f3a74edSJayashree Dhanapal thisSensorParameters, pollRate, interfacePath, 424544e7dc5SBruce Mitchell readState); 425f3fd1915SYong Li sensor->setupRead(); 426*9f3a74edSJayashree Dhanapal hwmonName.erase( 427*9f3a74edSJayashree Dhanapal remove(hwmonName.begin(), hwmonName.end(), sensorName), 428*9f3a74edSJayashree Dhanapal hwmonName.end()); 429100c20bfSJason Ling } 4308b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 4318b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 4328b3f7d40SAlex Qiu int i = 0; 4338b3f7d40SAlex Qiu while (true) 43437266ca9SJames Feist { 4358b3f7d40SAlex Qiu ++i; 4368b3f7d40SAlex Qiu auto findKey = 437*9f3a74edSJayashree Dhanapal baseConfigMap.find("Name" + std::to_string(i)); 438*9f3a74edSJayashree Dhanapal if (findKey == baseConfigMap.end()) 4398b3f7d40SAlex Qiu { 4408b3f7d40SAlex Qiu break; 44137266ca9SJames Feist } 4428b3f7d40SAlex Qiu std::string sensorName = 4438b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 444100c20bfSJason Ling hwmonFile = getFullHwmonFilePath( 445100c20bfSJason Ling directory.string(), "temp" + std::to_string(i + 1), 446100c20bfSJason Ling permitSet); 447544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 448544e7dc5SBruce Mitchell { 449544e7dc5SBruce Mitchell continue; 450544e7dc5SBruce Mitchell } 451100c20bfSJason Ling if (hwmonFile) 452100c20bfSJason Ling { 4535636d52bSMatt Spinler // To look up thresholds for these additional sensors, 4545636d52bSMatt Spinler // match on the Index property in the threshold data 4555636d52bSMatt Spinler // where the index comes from the sysfs file we're on, 4565636d52bSMatt Spinler // i.e. index = 2 for temp2_input. 4575636d52bSMatt Spinler int index = i + 1; 4585636d52bSMatt Spinler std::vector<thresholds::Threshold> thresholds; 4595636d52bSMatt Spinler 460*9f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, thresholds, 4615636d52bSMatt Spinler nullptr, &index)) 4625636d52bSMatt Spinler { 4635636d52bSMatt Spinler std::cerr << "error populating thresholds for " 4645636d52bSMatt Spinler << sensorName << " index " << index 4655636d52bSMatt Spinler << "\n"; 4665636d52bSMatt Spinler } 4675636d52bSMatt Spinler 4688b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4698b3f7d40SAlex Qiu sensor = nullptr; 470f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 471100c20bfSJason Ling *hwmonFile, sensorType, objectServer, 472100c20bfSJason Ling dbusConnection, io, sensorName, 473544e7dc5SBruce Mitchell std::move(thresholds), thisSensorParameters, 474*9f3a74edSJayashree Dhanapal pollRate, interfacePath, readState); 475f3fd1915SYong Li sensor->setupRead(); 476*9f3a74edSJayashree Dhanapal hwmonName.erase(remove(hwmonName.begin(), 477*9f3a74edSJayashree Dhanapal hwmonName.end(), sensorName), 478*9f3a74edSJayashree Dhanapal hwmonName.end()); 4798b3f7d40SAlex Qiu } 4806714a25aSJames Feist } 481*9f3a74edSJayashree Dhanapal if (hwmonName.empty()) 482*9f3a74edSJayashree Dhanapal { 483*9f3a74edSJayashree Dhanapal configMap.erase(findSensorCfg); 484*9f3a74edSJayashree Dhanapal } 485100c20bfSJason Ling } 4868a17c303SEd Tanous }); 487df515159SJames Feist getter->getConfiguration( 488df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 4896714a25aSJames Feist } 4906714a25aSJames Feist 49120bf2c1cSMatt Spinler void interfaceRemoved( 49220bf2c1cSMatt Spinler sdbusplus::message::message& message, 49320bf2c1cSMatt Spinler boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 49420bf2c1cSMatt Spinler sensors) 49520bf2c1cSMatt Spinler { 49620bf2c1cSMatt Spinler if (message.is_method_error()) 49720bf2c1cSMatt Spinler { 49820bf2c1cSMatt Spinler std::cerr << "interfacesRemoved callback method error\n"; 49920bf2c1cSMatt Spinler return; 50020bf2c1cSMatt Spinler } 50120bf2c1cSMatt Spinler 50220bf2c1cSMatt Spinler sdbusplus::message::object_path path; 50320bf2c1cSMatt Spinler std::vector<std::string> interfaces; 50420bf2c1cSMatt Spinler 50520bf2c1cSMatt Spinler message.read(path, interfaces); 50620bf2c1cSMatt Spinler 50720bf2c1cSMatt Spinler // If the xyz.openbmc_project.Confguration.X interface was removed 50820bf2c1cSMatt Spinler // for one or more sensors, delete those sensor objects. 50920bf2c1cSMatt Spinler auto sensorIt = sensors.begin(); 51020bf2c1cSMatt Spinler while (sensorIt != sensors.end()) 51120bf2c1cSMatt Spinler { 51220bf2c1cSMatt Spinler if ((sensorIt->second->configurationPath == path) && 51320bf2c1cSMatt Spinler (std::find(interfaces.begin(), interfaces.end(), 51420bf2c1cSMatt Spinler sensorIt->second->objectType) != interfaces.end())) 51520bf2c1cSMatt Spinler { 51620bf2c1cSMatt Spinler sensorIt = sensors.erase(sensorIt); 51720bf2c1cSMatt Spinler } 51820bf2c1cSMatt Spinler else 51920bf2c1cSMatt Spinler { 52020bf2c1cSMatt Spinler sensorIt++; 52120bf2c1cSMatt Spinler } 52220bf2c1cSMatt Spinler } 52320bf2c1cSMatt Spinler } 52420bf2c1cSMatt Spinler 525b6c0b914SJames Feist int main() 5266714a25aSJames Feist { 5276714a25aSJames Feist boost::asio::io_service io; 5286714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 5296714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 5306714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 531f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 5326714a25aSJames Feist sensors; 5336714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 5345591cf08SJames Feist auto sensorsChanged = 5355591cf08SJames Feist std::make_shared<boost::container::flat_set<std::string>>(); 5366714a25aSJames Feist 5376714a25aSJames Feist io.post([&]() { 5386714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 5396714a25aSJames Feist }); 5406714a25aSJames Feist 5416714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 5426714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 5436714a25aSJames Feist [&](sdbusplus::message::message& message) { 5446714a25aSJames Feist if (message.is_method_error()) 5456714a25aSJames Feist { 5466714a25aSJames Feist std::cerr << "callback method error\n"; 5476714a25aSJames Feist return; 5486714a25aSJames Feist } 5496714a25aSJames Feist sensorsChanged->insert(message.get_path()); 5506714a25aSJames Feist // this implicitly cancels the timer 5516714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 5526714a25aSJames Feist 5536714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 5546714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 5556714a25aSJames Feist { 5566714a25aSJames Feist /* we were canceled*/ 5576714a25aSJames Feist return; 5586714a25aSJames Feist } 5598a57ec09SEd Tanous if (ec) 5606714a25aSJames Feist { 5616714a25aSJames Feist std::cerr << "timer error\n"; 5626714a25aSJames Feist return; 5636714a25aSJames Feist } 5646714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 5656714a25aSJames Feist sensorsChanged); 5666714a25aSJames Feist }); 5676714a25aSJames Feist }; 5686714a25aSJames Feist 5699ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 5706714a25aSJames Feist { 5716714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 5726714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 5736714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 5749ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 5756714a25aSJames Feist eventHandler); 5766714a25aSJames Feist matches.emplace_back(std::move(match)); 5776714a25aSJames Feist } 5786714a25aSJames Feist 5791263c3daSBruce Lee setupManufacturingModeMatch(*systemBus); 58020bf2c1cSMatt Spinler 58120bf2c1cSMatt Spinler // Watch for entity-manager to remove configuration interfaces 58220bf2c1cSMatt Spinler // so the corresponding sensors can be removed. 58320bf2c1cSMatt Spinler auto ifaceRemovedMatch = std::make_unique<sdbusplus::bus::match::match>( 58420bf2c1cSMatt Spinler static_cast<sdbusplus::bus::bus&>(*systemBus), 58520bf2c1cSMatt Spinler "type='signal',member='InterfacesRemoved',arg0path='" + 58620bf2c1cSMatt Spinler std::string(inventoryPath) + "/'", 58720bf2c1cSMatt Spinler [&sensors](sdbusplus::message::message& msg) { 58820bf2c1cSMatt Spinler interfaceRemoved(msg, sensors); 58920bf2c1cSMatt Spinler }); 59020bf2c1cSMatt Spinler 59120bf2c1cSMatt Spinler matches.emplace_back(std::move(ifaceRemovedMatch)); 59220bf2c1cSMatt Spinler 5936714a25aSJames Feist io.run(); 5946714a25aSJames Feist } 595