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> 287dd6443bSJae Hyun Yoo #include <charconv> 2924f02f24SJames Feist #include <filesystem> 306714a25aSJames Feist #include <fstream> 3196e97db7SPatrick Venture #include <functional> 3296e97db7SPatrick Venture #include <memory> 336714a25aSJames Feist #include <regex> 3496e97db7SPatrick Venture #include <stdexcept> 3596e97db7SPatrick Venture #include <string> 3696e97db7SPatrick Venture #include <utility> 3796e97db7SPatrick Venture #include <variant> 3896e97db7SPatrick Venture #include <vector> 396714a25aSJames Feist 4087bc67f7SJeff Lin static constexpr float pollRateDefault = 0.5; 416714a25aSJames Feist 42544e7dc5SBruce Mitchell static constexpr double maxValuePressure = 120000; // Pascals 43544e7dc5SBruce Mitchell static constexpr double minValuePressure = 30000; // Pascals 44544e7dc5SBruce Mitchell 453ec41c53SBruce Mitchell static constexpr double maxValueRelativeHumidity = 100; // PercentRH 463ec41c53SBruce Mitchell static constexpr double minValueRelativeHumidity = 0; // PercentRH 473ec41c53SBruce Mitchell 48544e7dc5SBruce Mitchell static constexpr double maxValueTemperature = 127; // DegreesC 49544e7dc5SBruce Mitchell static constexpr double minValueTemperature = -128; // DegreesC 50544e7dc5SBruce Mitchell 51cf3bce6eSJames Feist namespace fs = std::filesystem; 5266558235SBrandon Kim static auto sensorTypes{ 534786334fSPotin Lai std::to_array<const char*>({"xyz.openbmc_project.Configuration.DPS310", 544786334fSPotin Lai "xyz.openbmc_project.Configuration.EMC1412", 558b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.EMC1413", 56381636e2SGilbert Chen "xyz.openbmc_project.Configuration.EMC1414", 574786334fSPotin Lai "xyz.openbmc_project.Configuration.HDC1080", 584786334fSPotin Lai "xyz.openbmc_project.Configuration.JC42", 594786334fSPotin Lai "xyz.openbmc_project.Configuration.LM75A", 604786334fSPotin Lai "xyz.openbmc_project.Configuration.LM95234", 618b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31725", 628b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.MAX31730", 6316e7af1dSJason Ling "xyz.openbmc_project.Configuration.MAX6581", 643840d0adSJosh Lehan "xyz.openbmc_project.Configuration.MAX6654", 655770a6fdSOskar Senft "xyz.openbmc_project.Configuration.NCT7802", 667c97730bSZev Weiss "xyz.openbmc_project.Configuration.NCT6779", 678fb0a013SJosh Lehan "xyz.openbmc_project.Configuration.SBTSI", 684786334fSPotin Lai "xyz.openbmc_project.Configuration.SI7020", 6955ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 703546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 718b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 728b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 737ea918f2SZev Weiss "xyz.openbmc_project.Configuration.TMP75", 744786334fSPotin Lai "xyz.openbmc_project.Configuration.W83773G"})}; 756714a25aSJames Feist 76544e7dc5SBruce Mitchell static struct SensorParams 77544e7dc5SBruce Mitchell getSensorParameters(const std::filesystem::path& path) 78544e7dc5SBruce Mitchell { 79544e7dc5SBruce Mitchell // offset is to default to 0 and scale to 1, see lore 80544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 81544e7dc5SBruce Mitchell struct SensorParams tmpSensorParameters = {.minValue = minValueTemperature, 82544e7dc5SBruce Mitchell .maxValue = maxValueTemperature, 83544e7dc5SBruce Mitchell .offsetValue = 0.0, 84544e7dc5SBruce Mitchell .scaleValue = 1.0, 855a86e562SBruce Mitchell .units = 865a86e562SBruce Mitchell sensor_paths::unitDegreesC, 87544e7dc5SBruce Mitchell .typeName = "temperature"}; 88544e7dc5SBruce Mitchell 89544e7dc5SBruce Mitchell // For IIO RAW sensors we get a raw_value, an offset, and scale 90544e7dc5SBruce Mitchell // to compute the value = (raw_value + offset) * scale 91544e7dc5SBruce Mitchell // with a _raw IIO device we need to get the 92544e7dc5SBruce Mitchell // offsetValue and scaleValue from the driver 93544e7dc5SBruce Mitchell // these are used to compute the reading in 94544e7dc5SBruce Mitchell // units that have yet to be scaled for D-Bus. 95544e7dc5SBruce Mitchell const std::string pathStr = path.string(); 96544e7dc5SBruce Mitchell if (pathStr.ends_with("_raw")) 97544e7dc5SBruce Mitchell { 98544e7dc5SBruce Mitchell std::string pathOffsetStr = 99544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_offset"; 100544e7dc5SBruce Mitchell std::optional<double> tmpOffsetValue = readFile(pathOffsetStr, 1.0); 101544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 102544e7dc5SBruce Mitchell // This is not an error condition see lore 103544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 104544e7dc5SBruce Mitchell if (tmpOffsetValue) 105544e7dc5SBruce Mitchell { 106544e7dc5SBruce Mitchell tmpSensorParameters.offsetValue = *tmpOffsetValue; 107544e7dc5SBruce Mitchell } 108544e7dc5SBruce Mitchell 109544e7dc5SBruce Mitchell std::string pathScaleStr = 110544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_scale"; 111544e7dc5SBruce Mitchell std::optional<double> tmpScaleValue = readFile(pathScaleStr, 1.0); 112544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 113544e7dc5SBruce Mitchell // This is not an error condition see lore 114544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 115544e7dc5SBruce Mitchell if (tmpScaleValue) 116544e7dc5SBruce Mitchell { 117544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue = *tmpScaleValue; 118544e7dc5SBruce Mitchell } 119544e7dc5SBruce Mitchell } 120544e7dc5SBruce Mitchell 121544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, we need 122544e7dc5SBruce Mitchell // degrees Celsius. Pressures are read in kilopascal, we need 123544e7dc5SBruce Mitchell // Pascals. On D-Bus for Open BMC we use the International 124544e7dc5SBruce Mitchell // System of Units without prefixes. Links to the kernel 125544e7dc5SBruce Mitchell // documentation: 126544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface 127544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-iio 128544e7dc5SBruce Mitchell if (path.filename() == "in_pressure_input" || 129544e7dc5SBruce Mitchell path.filename() == "in_pressure_raw") 130544e7dc5SBruce Mitchell { 131544e7dc5SBruce Mitchell tmpSensorParameters.minValue = minValuePressure; 132544e7dc5SBruce Mitchell tmpSensorParameters.maxValue = maxValuePressure; 133544e7dc5SBruce Mitchell // Pressures are read in kilopascal, we need Pascals. 134544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 1000.0; 135544e7dc5SBruce Mitchell tmpSensorParameters.typeName = "pressure"; 1365a86e562SBruce Mitchell tmpSensorParameters.units = sensor_paths::unitPascals; 137544e7dc5SBruce Mitchell } 1383ec41c53SBruce Mitchell else if (path.filename() == "in_humidityrelative_input" || 1393ec41c53SBruce Mitchell path.filename() == "in_humidityrelative_raw") 1403ec41c53SBruce Mitchell { 1413ec41c53SBruce Mitchell tmpSensorParameters.minValue = minValueRelativeHumidity; 1423ec41c53SBruce Mitchell tmpSensorParameters.maxValue = maxValueRelativeHumidity; 1433ec41c53SBruce Mitchell // Relative Humidity are read in milli-percent, we need percent. 1443ec41c53SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 1453ec41c53SBruce Mitchell tmpSensorParameters.typeName = "humidity"; 1463ec41c53SBruce Mitchell tmpSensorParameters.units = "PercentRH"; 1473ec41c53SBruce Mitchell } 148544e7dc5SBruce Mitchell else 149544e7dc5SBruce Mitchell { 150544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, 151544e7dc5SBruce Mitchell // we need degrees Celsius. 152544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 153544e7dc5SBruce Mitchell } 154544e7dc5SBruce Mitchell 155544e7dc5SBruce Mitchell return tmpSensorParameters; 156544e7dc5SBruce Mitchell } 157544e7dc5SBruce Mitchell 1589f3a74edSJayashree Dhanapal struct SensorConfigKey 1599f3a74edSJayashree Dhanapal { 1609f3a74edSJayashree Dhanapal uint64_t bus; 1619f3a74edSJayashree Dhanapal uint64_t addr; 1629f3a74edSJayashree Dhanapal bool operator<(const SensorConfigKey& other) const 1639f3a74edSJayashree Dhanapal { 1649f3a74edSJayashree Dhanapal if (bus != other.bus) 1659f3a74edSJayashree Dhanapal { 1669f3a74edSJayashree Dhanapal return bus < other.bus; 1679f3a74edSJayashree Dhanapal } 1689f3a74edSJayashree Dhanapal return addr < other.addr; 1699f3a74edSJayashree Dhanapal } 1709f3a74edSJayashree Dhanapal }; 1719f3a74edSJayashree Dhanapal 1729f3a74edSJayashree Dhanapal struct SensorConfig 1739f3a74edSJayashree Dhanapal { 1749f3a74edSJayashree Dhanapal std::string sensorPath; 1759f3a74edSJayashree Dhanapal SensorData sensorData; 1769f3a74edSJayashree Dhanapal std::string interface; 1779f3a74edSJayashree Dhanapal SensorBaseConfigMap config; 1789f3a74edSJayashree Dhanapal std::vector<std::string> name; 1799f3a74edSJayashree Dhanapal }; 1809f3a74edSJayashree Dhanapal 1819f3a74edSJayashree Dhanapal using SensorConfigMap = 1829f3a74edSJayashree Dhanapal boost::container::flat_map<SensorConfigKey, SensorConfig>; 1839f3a74edSJayashree Dhanapal 1849f3a74edSJayashree Dhanapal static SensorConfigMap 1859f3a74edSJayashree Dhanapal buildSensorConfigMap(const ManagedObjectType& sensorConfigs) 1869f3a74edSJayashree Dhanapal { 1879f3a74edSJayashree Dhanapal SensorConfigMap configMap; 1889f3a74edSJayashree Dhanapal for (const std::pair<sdbusplus::message::object_path, SensorData>& sensor : 1899f3a74edSJayashree Dhanapal sensorConfigs) 1909f3a74edSJayashree Dhanapal { 1919f3a74edSJayashree Dhanapal for (const std::pair<std::string, SensorBaseConfigMap>& cfgmap : 1929f3a74edSJayashree Dhanapal sensor.second) 1939f3a74edSJayashree Dhanapal { 1949f3a74edSJayashree Dhanapal const SensorBaseConfigMap& cfg = cfgmap.second; 1959f3a74edSJayashree Dhanapal auto busCfg = cfg.find("Bus"); 1969f3a74edSJayashree Dhanapal auto addrCfg = cfg.find("Address"); 1979f3a74edSJayashree Dhanapal if ((busCfg == cfg.end()) || (addrCfg == cfg.end())) 1989f3a74edSJayashree Dhanapal { 1999f3a74edSJayashree Dhanapal continue; 2009f3a74edSJayashree Dhanapal } 2019f3a74edSJayashree Dhanapal 2022049bd26SEd Tanous if ((std::get_if<uint64_t>(&busCfg->second) == nullptr) || 2032049bd26SEd Tanous (std::get_if<uint64_t>(&addrCfg->second) == nullptr)) 2049f3a74edSJayashree Dhanapal { 2059f3a74edSJayashree Dhanapal std::cerr << sensor.first.str << " Bus or Address invalid\n"; 2069f3a74edSJayashree Dhanapal continue; 2079f3a74edSJayashree Dhanapal } 2089f3a74edSJayashree Dhanapal 2099f3a74edSJayashree Dhanapal std::vector<std::string> hwmonNames; 2109f3a74edSJayashree Dhanapal auto nameCfg = cfg.find("Name"); 2119f3a74edSJayashree Dhanapal if (nameCfg != cfg.end()) 2129f3a74edSJayashree Dhanapal { 2139f3a74edSJayashree Dhanapal hwmonNames.push_back(std::get<std::string>(nameCfg->second)); 2149f3a74edSJayashree Dhanapal size_t i = 1; 2159f3a74edSJayashree Dhanapal while (true) 2169f3a74edSJayashree Dhanapal { 2179f3a74edSJayashree Dhanapal auto sensorNameCfg = cfg.find("Name" + std::to_string(i)); 2189f3a74edSJayashree Dhanapal if (sensorNameCfg == cfg.end()) 2199f3a74edSJayashree Dhanapal { 2209f3a74edSJayashree Dhanapal break; 2219f3a74edSJayashree Dhanapal } 2229f3a74edSJayashree Dhanapal hwmonNames.push_back( 2239f3a74edSJayashree Dhanapal std::get<std::string>(sensorNameCfg->second)); 2249f3a74edSJayashree Dhanapal i++; 2259f3a74edSJayashree Dhanapal } 2269f3a74edSJayashree Dhanapal } 2279f3a74edSJayashree Dhanapal 2289f3a74edSJayashree Dhanapal SensorConfigKey key = {std::get<uint64_t>(busCfg->second), 2299f3a74edSJayashree Dhanapal std::get<uint64_t>(addrCfg->second)}; 2309f3a74edSJayashree Dhanapal SensorConfig val = {sensor.first.str, sensor.second, cfgmap.first, 2319f3a74edSJayashree Dhanapal cfg, hwmonNames}; 2329f3a74edSJayashree Dhanapal 2339f3a74edSJayashree Dhanapal auto [it, inserted] = configMap.emplace(key, std::move(val)); 2349f3a74edSJayashree Dhanapal if (!inserted) 2359f3a74edSJayashree Dhanapal { 2369f3a74edSJayashree Dhanapal std::cerr << sensor.first.str 2379f3a74edSJayashree Dhanapal << ": ignoring duplicate entry for {" << key.bus 2389f3a74edSJayashree Dhanapal << ", 0x" << std::hex << key.addr << std::dec 2399f3a74edSJayashree Dhanapal << "}\n"; 2409f3a74edSJayashree Dhanapal } 2419f3a74edSJayashree Dhanapal } 2429f3a74edSJayashree Dhanapal } 2439f3a74edSJayashree Dhanapal return configMap; 2449f3a74edSJayashree Dhanapal } 2459f3a74edSJayashree Dhanapal 2466714a25aSJames Feist void createSensors( 2476714a25aSJames Feist boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer, 248f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 2496714a25aSJames Feist sensors, 2506714a25aSJames Feist std::shared_ptr<sdbusplus::asio::connection>& dbusConnection, 2515591cf08SJames Feist const std::shared_ptr<boost::container::flat_set<std::string>>& 2526714a25aSJames Feist sensorsChanged) 2536714a25aSJames Feist { 254df515159SJames Feist auto getter = std::make_shared<GetSensorConfiguration>( 255df515159SJames Feist dbusConnection, 2568a17c303SEd Tanous [&io, &objectServer, &sensors, &dbusConnection, 2578a17c303SEd Tanous sensorsChanged](const ManagedObjectType& sensorConfigurations) { 2586714a25aSJames Feist bool firstScan = sensorsChanged == nullptr; 259df515159SJames Feist 260bb67932aSEd Tanous SensorConfigMap configMap = buildSensorConfigMap(sensorConfigurations); 2619f3a74edSJayashree 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 3117dd6443bSJae Hyun Yoo uint64_t bus = 0; 3127dd6443bSJae Hyun Yoo uint64_t addr = 0; 3132049bd26SEd Tanous std::from_chars_result res{}; 314bb67932aSEd Tanous res = std::from_chars(busStr.data(), busStr.data() + busStr.size(), 315bb67932aSEd Tanous bus); 3167dd6443bSJae Hyun Yoo if (res.ec != std::errc{}) 3176714a25aSJames Feist { 3187dd6443bSJae Hyun Yoo continue; 31937266ca9SJames Feist } 320bb67932aSEd Tanous res = std::from_chars(addrStr.data(), 321bb67932aSEd Tanous addrStr.data() + addrStr.size(), addr, 16); 3227dd6443bSJae Hyun Yoo if (res.ec != std::errc{}) 32337266ca9SJames Feist { 3246714a25aSJames Feist continue; 3256714a25aSJames Feist } 32637266ca9SJames Feist 327544e7dc5SBruce Mitchell auto thisSensorParameters = getSensorParameters(path); 3289f3a74edSJayashree Dhanapal auto findSensorCfg = configMap.find({bus, addr}); 3299f3a74edSJayashree Dhanapal if (findSensorCfg == configMap.end()) 33037266ca9SJames Feist { 33137266ca9SJames Feist continue; 33237266ca9SJames Feist } 33337266ca9SJames Feist 334bb67932aSEd Tanous const std::string& interfacePath = findSensorCfg->second.sensorPath; 3359f3a74edSJayashree Dhanapal const SensorData& sensorData = findSensorCfg->second.sensorData; 3369f3a74edSJayashree Dhanapal const std::string& sensorType = findSensorCfg->second.interface; 3379f3a74edSJayashree Dhanapal const SensorBaseConfigMap& baseConfigMap = 3389f3a74edSJayashree Dhanapal findSensorCfg->second.config; 339bb67932aSEd Tanous std::vector<std::string>& hwmonName = findSensorCfg->second.name; 3406714a25aSJames Feist 341544e7dc5SBruce Mitchell // Temperature has "Name", pressure has "Name1" 3429f3a74edSJayashree Dhanapal auto findSensorName = baseConfigMap.find("Name"); 343fefdbe7fSPotin Lai int index = 1; 3443ec41c53SBruce Mitchell if (thisSensorParameters.typeName == "pressure" || 3453ec41c53SBruce Mitchell thisSensorParameters.typeName == "humidity") 346544e7dc5SBruce Mitchell { 3479f3a74edSJayashree Dhanapal findSensorName = baseConfigMap.find("Name1"); 348fefdbe7fSPotin Lai index = 2; 349544e7dc5SBruce Mitchell } 350544e7dc5SBruce Mitchell 3519f3a74edSJayashree Dhanapal if (findSensorName == baseConfigMap.end()) 3526714a25aSJames Feist { 3536714a25aSJames Feist std::cerr << "could not determine configuration name for " 35437266ca9SJames Feist << deviceName << "\n"; 3556714a25aSJames Feist continue; 3566714a25aSJames Feist } 357df515159SJames Feist std::string sensorName = 358df515159SJames Feist std::get<std::string>(findSensorName->second); 3596714a25aSJames Feist // on rescans, only update sensors we were signaled by 3606714a25aSJames Feist auto findSensor = sensors.find(sensorName); 3616714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 3626714a25aSJames Feist { 3636714a25aSJames Feist bool found = false; 364d653b75cSBruce Mitchell auto it = sensorsChanged->begin(); 365d653b75cSBruce Mitchell while (it != sensorsChanged->end()) 3666714a25aSJames Feist { 3676714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 3686714a25aSJames Feist { 369d653b75cSBruce Mitchell it = sensorsChanged->erase(it); 3706714a25aSJames Feist findSensor->second = nullptr; 3716714a25aSJames Feist found = true; 3726714a25aSJames Feist break; 3736714a25aSJames Feist } 374d653b75cSBruce Mitchell ++it; 3756714a25aSJames Feist } 3766714a25aSJames Feist if (!found) 3776714a25aSJames Feist { 3786714a25aSJames Feist continue; 3796714a25aSJames Feist } 3806714a25aSJames Feist } 3815636d52bSMatt Spinler 3826714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 3835636d52bSMatt Spinler 3849f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, sensorThresholds, 3855636d52bSMatt Spinler nullptr, &index)) 3866714a25aSJames Feist { 387bb67932aSEd Tanous std::cerr << "error populating thresholds for " << sensorName 388bb67932aSEd Tanous << " index " << index << "\n"; 3896714a25aSJames Feist } 39087bc67f7SJeff Lin 3919f3a74edSJayashree Dhanapal auto findPollRate = baseConfigMap.find("PollRate"); 39287bc67f7SJeff Lin float pollRate = pollRateDefault; 3939f3a74edSJayashree Dhanapal if (findPollRate != baseConfigMap.end()) 39487bc67f7SJeff Lin { 395bb67932aSEd Tanous pollRate = 396bb67932aSEd Tanous std::visit(VariantToFloatVisitor(), findPollRate->second); 3972049bd26SEd Tanous if (pollRate <= 0.0F) 39887bc67f7SJeff Lin { 39987bc67f7SJeff Lin pollRate = pollRateDefault; // polling time too short 40087bc67f7SJeff Lin } 40187bc67f7SJeff Lin } 40287bc67f7SJeff Lin 403a4d2768cSZev Weiss PowerState readState = getPowerState(baseConfigMap); 404100c20bfSJason Ling 4059f3a74edSJayashree Dhanapal auto permitSet = getPermitSet(baseConfigMap); 4068b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4078b3f7d40SAlex Qiu sensor = nullptr; 408bb67932aSEd Tanous auto hwmonFile = 409bb67932aSEd Tanous getFullHwmonFilePath(directory.string(), "temp1", permitSet); 410544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 411544e7dc5SBruce Mitchell { 412544e7dc5SBruce Mitchell hwmonFile = pathStr; 413544e7dc5SBruce Mitchell } 414100c20bfSJason Ling if (hwmonFile) 415100c20bfSJason Ling { 416f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 417bb67932aSEd Tanous *hwmonFile, sensorType, objectServer, dbusConnection, io, 418bb67932aSEd Tanous sensorName, std::move(sensorThresholds), 419bb67932aSEd Tanous thisSensorParameters, pollRate, interfacePath, readState); 420f3fd1915SYong Li sensor->setupRead(); 4219eb0cc3dSWilly Tu } 4229f3a74edSJayashree Dhanapal hwmonName.erase( 4239f3a74edSJayashree Dhanapal remove(hwmonName.begin(), hwmonName.end(), sensorName), 4249f3a74edSJayashree Dhanapal hwmonName.end()); 4259eb0cc3dSWilly Tu 4268b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 4278b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 4288b3f7d40SAlex Qiu int i = 0; 4298b3f7d40SAlex Qiu while (true) 43037266ca9SJames Feist { 4318b3f7d40SAlex Qiu ++i; 432bb67932aSEd Tanous auto findKey = baseConfigMap.find("Name" + std::to_string(i)); 4339f3a74edSJayashree Dhanapal if (findKey == baseConfigMap.end()) 4348b3f7d40SAlex Qiu { 4358b3f7d40SAlex Qiu break; 43637266ca9SJames Feist } 437bb67932aSEd Tanous std::string sensorName = std::get<std::string>(findKey->second); 438bb67932aSEd Tanous hwmonFile = getFullHwmonFilePath(directory.string(), 439bb67932aSEd Tanous "temp" + std::to_string(i + 1), 440100c20bfSJason Ling permitSet); 441544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 442544e7dc5SBruce Mitchell { 443544e7dc5SBruce Mitchell continue; 444544e7dc5SBruce Mitchell } 445100c20bfSJason Ling if (hwmonFile) 446100c20bfSJason Ling { 4475636d52bSMatt Spinler // To look up thresholds for these additional sensors, 4485636d52bSMatt Spinler // match on the Index property in the threshold data 4495636d52bSMatt Spinler // where the index comes from the sysfs file we're on, 4505636d52bSMatt Spinler // i.e. index = 2 for temp2_input. 4515636d52bSMatt Spinler int index = i + 1; 4525636d52bSMatt Spinler std::vector<thresholds::Threshold> thresholds; 4535636d52bSMatt Spinler 4549f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, thresholds, 4555636d52bSMatt Spinler nullptr, &index)) 4565636d52bSMatt Spinler { 4575636d52bSMatt Spinler std::cerr << "error populating thresholds for " 458bb67932aSEd Tanous << sensorName << " index " << index << "\n"; 4595636d52bSMatt Spinler } 4605636d52bSMatt Spinler 4618b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4628b3f7d40SAlex Qiu sensor = nullptr; 463f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 464bb67932aSEd Tanous *hwmonFile, sensorType, objectServer, dbusConnection, 465bb67932aSEd Tanous io, sensorName, std::move(thresholds), 466bb67932aSEd Tanous thisSensorParameters, pollRate, interfacePath, 467bb67932aSEd Tanous readState); 468f3fd1915SYong Li sensor->setupRead(); 4698b3f7d40SAlex Qiu } 4709eb0cc3dSWilly Tu 4719eb0cc3dSWilly Tu hwmonName.erase( 4729eb0cc3dSWilly Tu remove(hwmonName.begin(), hwmonName.end(), sensorName), 4739eb0cc3dSWilly Tu hwmonName.end()); 4746714a25aSJames Feist } 47531ec7dbbSMatt Spinler if (hwmonName.empty()) 47631ec7dbbSMatt Spinler { 4779f3a74edSJayashree Dhanapal configMap.erase(findSensorCfg); 4789f3a74edSJayashree Dhanapal } 47931ec7dbbSMatt Spinler } 4808a17c303SEd Tanous }); 481df515159SJames Feist getter->getConfiguration( 482df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 4836714a25aSJames Feist } 4846714a25aSJames Feist 48520bf2c1cSMatt Spinler void interfaceRemoved( 48692f8f515SPatrick Williams sdbusplus::message_t& message, 48720bf2c1cSMatt Spinler boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 48820bf2c1cSMatt Spinler sensors) 48920bf2c1cSMatt Spinler { 49020bf2c1cSMatt Spinler if (message.is_method_error()) 49120bf2c1cSMatt Spinler { 49220bf2c1cSMatt Spinler std::cerr << "interfacesRemoved callback method error\n"; 49320bf2c1cSMatt Spinler return; 49420bf2c1cSMatt Spinler } 49520bf2c1cSMatt Spinler 49620bf2c1cSMatt Spinler sdbusplus::message::object_path path; 49720bf2c1cSMatt Spinler std::vector<std::string> interfaces; 49820bf2c1cSMatt Spinler 49920bf2c1cSMatt Spinler message.read(path, interfaces); 50020bf2c1cSMatt Spinler 50120bf2c1cSMatt Spinler // If the xyz.openbmc_project.Confguration.X interface was removed 50220bf2c1cSMatt Spinler // for one or more sensors, delete those sensor objects. 50320bf2c1cSMatt Spinler auto sensorIt = sensors.begin(); 50420bf2c1cSMatt Spinler while (sensorIt != sensors.end()) 50520bf2c1cSMatt Spinler { 50620bf2c1cSMatt Spinler if ((sensorIt->second->configurationPath == path) && 50720bf2c1cSMatt Spinler (std::find(interfaces.begin(), interfaces.end(), 50820bf2c1cSMatt Spinler sensorIt->second->objectType) != interfaces.end())) 50920bf2c1cSMatt Spinler { 51020bf2c1cSMatt Spinler sensorIt = sensors.erase(sensorIt); 51120bf2c1cSMatt Spinler } 51220bf2c1cSMatt Spinler else 51320bf2c1cSMatt Spinler { 51420bf2c1cSMatt Spinler sensorIt++; 51520bf2c1cSMatt Spinler } 51620bf2c1cSMatt Spinler } 51720bf2c1cSMatt Spinler } 51820bf2c1cSMatt Spinler 519b6c0b914SJames Feist int main() 5206714a25aSJames Feist { 5216714a25aSJames Feist boost::asio::io_service io; 5226714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 5236714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 5246714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 525f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 5266714a25aSJames Feist sensors; 5275591cf08SJames Feist auto sensorsChanged = 5285591cf08SJames Feist std::make_shared<boost::container::flat_set<std::string>>(); 5296714a25aSJames Feist 5306714a25aSJames Feist io.post([&]() { 5316714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 5326714a25aSJames Feist }); 5336714a25aSJames Feist 5346714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 53592f8f515SPatrick Williams std::function<void(sdbusplus::message_t&)> eventHandler = 53692f8f515SPatrick Williams [&](sdbusplus::message_t& message) { 5376714a25aSJames Feist if (message.is_method_error()) 5386714a25aSJames Feist { 5396714a25aSJames Feist std::cerr << "callback method error\n"; 5406714a25aSJames Feist return; 5416714a25aSJames Feist } 5426714a25aSJames Feist sensorsChanged->insert(message.get_path()); 5436714a25aSJames Feist // this implicitly cancels the timer 5446714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 5456714a25aSJames Feist 5466714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 5476714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 5486714a25aSJames Feist { 5496714a25aSJames Feist /* we were canceled*/ 5506714a25aSJames Feist return; 5516714a25aSJames Feist } 5528a57ec09SEd Tanous if (ec) 5536714a25aSJames Feist { 5546714a25aSJames Feist std::cerr << "timer error\n"; 5556714a25aSJames Feist return; 5566714a25aSJames Feist } 557bb67932aSEd Tanous createSensors(io, objectServer, sensors, systemBus, sensorsChanged); 5586714a25aSJames Feist }); 5596714a25aSJames Feist }; 5606714a25aSJames Feist 561*214d9717SZev Weiss std::vector<std::unique_ptr<sdbusplus::bus::match_t>> matches = 562*214d9717SZev Weiss setupPropertiesChangedMatches(*systemBus, sensorTypes, eventHandler); 5631263c3daSBruce Lee setupManufacturingModeMatch(*systemBus); 56420bf2c1cSMatt Spinler 56520bf2c1cSMatt Spinler // Watch for entity-manager to remove configuration interfaces 56620bf2c1cSMatt Spinler // so the corresponding sensors can be removed. 56792f8f515SPatrick Williams auto ifaceRemovedMatch = std::make_unique<sdbusplus::bus::match_t>( 56892f8f515SPatrick Williams static_cast<sdbusplus::bus_t&>(*systemBus), 56920bf2c1cSMatt Spinler "type='signal',member='InterfacesRemoved',arg0path='" + 57020bf2c1cSMatt Spinler std::string(inventoryPath) + "/'", 57192f8f515SPatrick Williams [&sensors](sdbusplus::message_t& msg) { 57220bf2c1cSMatt Spinler interfaceRemoved(msg, sensors); 57320bf2c1cSMatt Spinler }); 57420bf2c1cSMatt Spinler 57520bf2c1cSMatt Spinler matches.emplace_back(std::move(ifaceRemovedMatch)); 57620bf2c1cSMatt Spinler 5776714a25aSJames Feist io.run(); 5786714a25aSJames Feist } 579