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> 28*7dd6443bSJae 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", 668fb0a013SJosh Lehan "xyz.openbmc_project.Configuration.SBTSI", 674786334fSPotin Lai "xyz.openbmc_project.Configuration.SI7020", 6855ab2afbSJohn Wang "xyz.openbmc_project.Configuration.TMP112", 693546adb9SPatrick Venture "xyz.openbmc_project.Configuration.TMP175", 708b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP421", 718b3f7d40SAlex Qiu "xyz.openbmc_project.Configuration.TMP441", 727ea918f2SZev Weiss "xyz.openbmc_project.Configuration.TMP75", 734786334fSPotin Lai "xyz.openbmc_project.Configuration.W83773G"})}; 746714a25aSJames Feist 75544e7dc5SBruce Mitchell static struct SensorParams 76544e7dc5SBruce Mitchell getSensorParameters(const std::filesystem::path& path) 77544e7dc5SBruce Mitchell { 78544e7dc5SBruce Mitchell // offset is to default to 0 and scale to 1, see lore 79544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 80544e7dc5SBruce Mitchell struct SensorParams tmpSensorParameters = {.minValue = minValueTemperature, 81544e7dc5SBruce Mitchell .maxValue = maxValueTemperature, 82544e7dc5SBruce Mitchell .offsetValue = 0.0, 83544e7dc5SBruce Mitchell .scaleValue = 1.0, 845a86e562SBruce Mitchell .units = 855a86e562SBruce Mitchell sensor_paths::unitDegreesC, 86544e7dc5SBruce Mitchell .typeName = "temperature"}; 87544e7dc5SBruce Mitchell 88544e7dc5SBruce Mitchell // For IIO RAW sensors we get a raw_value, an offset, and scale 89544e7dc5SBruce Mitchell // to compute the value = (raw_value + offset) * scale 90544e7dc5SBruce Mitchell // with a _raw IIO device we need to get the 91544e7dc5SBruce Mitchell // offsetValue and scaleValue from the driver 92544e7dc5SBruce Mitchell // these are used to compute the reading in 93544e7dc5SBruce Mitchell // units that have yet to be scaled for D-Bus. 94544e7dc5SBruce Mitchell const std::string pathStr = path.string(); 95544e7dc5SBruce Mitchell if (pathStr.ends_with("_raw")) 96544e7dc5SBruce Mitchell { 97544e7dc5SBruce Mitchell std::string pathOffsetStr = 98544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_offset"; 99544e7dc5SBruce Mitchell std::optional<double> tmpOffsetValue = readFile(pathOffsetStr, 1.0); 100544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 101544e7dc5SBruce Mitchell // This is not an error condition see lore 102544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 103544e7dc5SBruce Mitchell if (tmpOffsetValue) 104544e7dc5SBruce Mitchell { 105544e7dc5SBruce Mitchell tmpSensorParameters.offsetValue = *tmpOffsetValue; 106544e7dc5SBruce Mitchell } 107544e7dc5SBruce Mitchell 108544e7dc5SBruce Mitchell std::string pathScaleStr = 109544e7dc5SBruce Mitchell pathStr.substr(0, pathStr.size() - 4) + "_scale"; 110544e7dc5SBruce Mitchell std::optional<double> tmpScaleValue = readFile(pathScaleStr, 1.0); 111544e7dc5SBruce Mitchell // In case there is nothing to read skip this device 112544e7dc5SBruce Mitchell // This is not an error condition see lore 113544e7dc5SBruce Mitchell // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ 114544e7dc5SBruce Mitchell if (tmpScaleValue) 115544e7dc5SBruce Mitchell { 116544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue = *tmpScaleValue; 117544e7dc5SBruce Mitchell } 118544e7dc5SBruce Mitchell } 119544e7dc5SBruce Mitchell 120544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, we need 121544e7dc5SBruce Mitchell // degrees Celsius. Pressures are read in kilopascal, we need 122544e7dc5SBruce Mitchell // Pascals. On D-Bus for Open BMC we use the International 123544e7dc5SBruce Mitchell // System of Units without prefixes. Links to the kernel 124544e7dc5SBruce Mitchell // documentation: 125544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface 126544e7dc5SBruce Mitchell // https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-iio 127544e7dc5SBruce Mitchell if (path.filename() == "in_pressure_input" || 128544e7dc5SBruce Mitchell path.filename() == "in_pressure_raw") 129544e7dc5SBruce Mitchell { 130544e7dc5SBruce Mitchell tmpSensorParameters.minValue = minValuePressure; 131544e7dc5SBruce Mitchell tmpSensorParameters.maxValue = maxValuePressure; 132544e7dc5SBruce Mitchell // Pressures are read in kilopascal, we need Pascals. 133544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 1000.0; 134544e7dc5SBruce Mitchell tmpSensorParameters.typeName = "pressure"; 1355a86e562SBruce Mitchell tmpSensorParameters.units = sensor_paths::unitPascals; 136544e7dc5SBruce Mitchell } 1373ec41c53SBruce Mitchell else if (path.filename() == "in_humidityrelative_input" || 1383ec41c53SBruce Mitchell path.filename() == "in_humidityrelative_raw") 1393ec41c53SBruce Mitchell { 1403ec41c53SBruce Mitchell tmpSensorParameters.minValue = minValueRelativeHumidity; 1413ec41c53SBruce Mitchell tmpSensorParameters.maxValue = maxValueRelativeHumidity; 1423ec41c53SBruce Mitchell // Relative Humidity are read in milli-percent, we need percent. 1433ec41c53SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 1443ec41c53SBruce Mitchell tmpSensorParameters.typeName = "humidity"; 1453ec41c53SBruce Mitchell tmpSensorParameters.units = "PercentRH"; 1463ec41c53SBruce Mitchell } 147544e7dc5SBruce Mitchell else 148544e7dc5SBruce Mitchell { 149544e7dc5SBruce Mitchell // Temperatures are read in milli degrees Celsius, 150544e7dc5SBruce Mitchell // we need degrees Celsius. 151544e7dc5SBruce Mitchell tmpSensorParameters.scaleValue *= 0.001; 152544e7dc5SBruce Mitchell } 153544e7dc5SBruce Mitchell 154544e7dc5SBruce Mitchell return tmpSensorParameters; 155544e7dc5SBruce Mitchell } 156544e7dc5SBruce Mitchell 1579f3a74edSJayashree Dhanapal struct SensorConfigKey 1589f3a74edSJayashree Dhanapal { 1599f3a74edSJayashree Dhanapal uint64_t bus; 1609f3a74edSJayashree Dhanapal uint64_t addr; 1619f3a74edSJayashree Dhanapal bool operator<(const SensorConfigKey& other) const 1629f3a74edSJayashree Dhanapal { 1639f3a74edSJayashree Dhanapal if (bus != other.bus) 1649f3a74edSJayashree Dhanapal { 1659f3a74edSJayashree Dhanapal return bus < other.bus; 1669f3a74edSJayashree Dhanapal } 1679f3a74edSJayashree Dhanapal return addr < other.addr; 1689f3a74edSJayashree Dhanapal } 1699f3a74edSJayashree Dhanapal }; 1709f3a74edSJayashree Dhanapal 1719f3a74edSJayashree Dhanapal struct SensorConfig 1729f3a74edSJayashree Dhanapal { 1739f3a74edSJayashree Dhanapal std::string sensorPath; 1749f3a74edSJayashree Dhanapal SensorData sensorData; 1759f3a74edSJayashree Dhanapal std::string interface; 1769f3a74edSJayashree Dhanapal SensorBaseConfigMap config; 1779f3a74edSJayashree Dhanapal std::vector<std::string> name; 1789f3a74edSJayashree Dhanapal }; 1799f3a74edSJayashree Dhanapal 1809f3a74edSJayashree Dhanapal using SensorConfigMap = 1819f3a74edSJayashree Dhanapal boost::container::flat_map<SensorConfigKey, SensorConfig>; 1829f3a74edSJayashree Dhanapal 1839f3a74edSJayashree Dhanapal static SensorConfigMap 1849f3a74edSJayashree Dhanapal buildSensorConfigMap(const ManagedObjectType& sensorConfigs) 1859f3a74edSJayashree Dhanapal { 1869f3a74edSJayashree Dhanapal SensorConfigMap configMap; 1879f3a74edSJayashree Dhanapal for (const std::pair<sdbusplus::message::object_path, SensorData>& sensor : 1889f3a74edSJayashree Dhanapal sensorConfigs) 1899f3a74edSJayashree Dhanapal { 1909f3a74edSJayashree Dhanapal for (const std::pair<std::string, SensorBaseConfigMap>& cfgmap : 1919f3a74edSJayashree Dhanapal sensor.second) 1929f3a74edSJayashree Dhanapal { 1939f3a74edSJayashree Dhanapal const SensorBaseConfigMap& cfg = cfgmap.second; 1949f3a74edSJayashree Dhanapal auto busCfg = cfg.find("Bus"); 1959f3a74edSJayashree Dhanapal auto addrCfg = cfg.find("Address"); 1969f3a74edSJayashree Dhanapal if ((busCfg == cfg.end()) || (addrCfg == cfg.end())) 1979f3a74edSJayashree Dhanapal { 1989f3a74edSJayashree Dhanapal continue; 1999f3a74edSJayashree Dhanapal } 2009f3a74edSJayashree Dhanapal 2019f3a74edSJayashree Dhanapal if ((!std::get_if<uint64_t>(&busCfg->second)) || 2029f3a74edSJayashree Dhanapal (!std::get_if<uint64_t>(&addrCfg->second))) 2039f3a74edSJayashree Dhanapal { 2049f3a74edSJayashree Dhanapal std::cerr << sensor.first.str << " Bus or Address invalid\n"; 2059f3a74edSJayashree Dhanapal continue; 2069f3a74edSJayashree Dhanapal } 2079f3a74edSJayashree Dhanapal 2089f3a74edSJayashree Dhanapal std::vector<std::string> hwmonNames; 2099f3a74edSJayashree Dhanapal auto nameCfg = cfg.find("Name"); 2109f3a74edSJayashree Dhanapal if (nameCfg != cfg.end()) 2119f3a74edSJayashree Dhanapal { 2129f3a74edSJayashree Dhanapal hwmonNames.push_back(std::get<std::string>(nameCfg->second)); 2139f3a74edSJayashree Dhanapal size_t i = 1; 2149f3a74edSJayashree Dhanapal while (true) 2159f3a74edSJayashree Dhanapal { 2169f3a74edSJayashree Dhanapal auto sensorNameCfg = cfg.find("Name" + std::to_string(i)); 2179f3a74edSJayashree Dhanapal if (sensorNameCfg == cfg.end()) 2189f3a74edSJayashree Dhanapal { 2199f3a74edSJayashree Dhanapal break; 2209f3a74edSJayashree Dhanapal } 2219f3a74edSJayashree Dhanapal hwmonNames.push_back( 2229f3a74edSJayashree Dhanapal std::get<std::string>(sensorNameCfg->second)); 2239f3a74edSJayashree Dhanapal i++; 2249f3a74edSJayashree Dhanapal } 2259f3a74edSJayashree Dhanapal } 2269f3a74edSJayashree Dhanapal 2279f3a74edSJayashree Dhanapal SensorConfigKey key = {std::get<uint64_t>(busCfg->second), 2289f3a74edSJayashree Dhanapal std::get<uint64_t>(addrCfg->second)}; 2299f3a74edSJayashree Dhanapal SensorConfig val = {sensor.first.str, sensor.second, cfgmap.first, 2309f3a74edSJayashree Dhanapal cfg, hwmonNames}; 2319f3a74edSJayashree Dhanapal 2329f3a74edSJayashree Dhanapal auto [it, inserted] = configMap.emplace(key, std::move(val)); 2339f3a74edSJayashree Dhanapal if (!inserted) 2349f3a74edSJayashree Dhanapal { 2359f3a74edSJayashree Dhanapal std::cerr << sensor.first.str 2369f3a74edSJayashree Dhanapal << ": ignoring duplicate entry for {" << key.bus 2379f3a74edSJayashree Dhanapal << ", 0x" << std::hex << key.addr << std::dec 2389f3a74edSJayashree Dhanapal << "}\n"; 2399f3a74edSJayashree Dhanapal } 2409f3a74edSJayashree Dhanapal } 2419f3a74edSJayashree Dhanapal } 2429f3a74edSJayashree Dhanapal return configMap; 2439f3a74edSJayashree Dhanapal } 2449f3a74edSJayashree 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 2599f3a74edSJayashree Dhanapal SensorConfigMap configMap = 2609f3a74edSJayashree Dhanapal 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 311*7dd6443bSJae Hyun Yoo uint64_t bus = 0; 312*7dd6443bSJae Hyun Yoo uint64_t addr = 0; 313*7dd6443bSJae Hyun Yoo std::from_chars_result res; 314*7dd6443bSJae Hyun Yoo res = std::from_chars(busStr.data(), 315*7dd6443bSJae Hyun Yoo busStr.data() + busStr.size(), bus); 316*7dd6443bSJae Hyun Yoo if (res.ec != std::errc{}) 3176714a25aSJames Feist { 318*7dd6443bSJae Hyun Yoo continue; 31937266ca9SJames Feist } 320*7dd6443bSJae Hyun Yoo res = std::from_chars( 321*7dd6443bSJae Hyun Yoo addrStr.data(), addrStr.data() + addrStr.size(), addr, 16); 322*7dd6443bSJae 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 3349f3a74edSJayashree Dhanapal const std::string& interfacePath = 3359f3a74edSJayashree Dhanapal findSensorCfg->second.sensorPath; 3369f3a74edSJayashree Dhanapal const SensorData& sensorData = findSensorCfg->second.sensorData; 3379f3a74edSJayashree Dhanapal const std::string& sensorType = findSensorCfg->second.interface; 3389f3a74edSJayashree Dhanapal const SensorBaseConfigMap& baseConfigMap = 3399f3a74edSJayashree Dhanapal findSensorCfg->second.config; 3409f3a74edSJayashree Dhanapal std::vector<std::string>& hwmonName = 3419f3a74edSJayashree Dhanapal findSensorCfg->second.name; 3426714a25aSJames Feist 343544e7dc5SBruce Mitchell // Temperature has "Name", pressure has "Name1" 3449f3a74edSJayashree Dhanapal auto findSensorName = baseConfigMap.find("Name"); 345fefdbe7fSPotin Lai int index = 1; 3463ec41c53SBruce Mitchell if (thisSensorParameters.typeName == "pressure" || 3473ec41c53SBruce Mitchell thisSensorParameters.typeName == "humidity") 348544e7dc5SBruce Mitchell { 3499f3a74edSJayashree Dhanapal findSensorName = baseConfigMap.find("Name1"); 350fefdbe7fSPotin Lai index = 2; 351544e7dc5SBruce Mitchell } 352544e7dc5SBruce Mitchell 3539f3a74edSJayashree Dhanapal if (findSensorName == baseConfigMap.end()) 3546714a25aSJames Feist { 3556714a25aSJames Feist std::cerr << "could not determine configuration name for " 35637266ca9SJames Feist << deviceName << "\n"; 3576714a25aSJames Feist continue; 3586714a25aSJames Feist } 359df515159SJames Feist std::string sensorName = 360df515159SJames Feist std::get<std::string>(findSensorName->second); 3616714a25aSJames Feist // on rescans, only update sensors we were signaled by 3626714a25aSJames Feist auto findSensor = sensors.find(sensorName); 3636714a25aSJames Feist if (!firstScan && findSensor != sensors.end()) 3646714a25aSJames Feist { 3656714a25aSJames Feist bool found = false; 366d653b75cSBruce Mitchell auto it = sensorsChanged->begin(); 367d653b75cSBruce Mitchell while (it != sensorsChanged->end()) 3686714a25aSJames Feist { 3696714a25aSJames Feist if (boost::ends_with(*it, findSensor->second->name)) 3706714a25aSJames Feist { 371d653b75cSBruce Mitchell it = sensorsChanged->erase(it); 3726714a25aSJames Feist findSensor->second = nullptr; 3736714a25aSJames Feist found = true; 3746714a25aSJames Feist break; 3756714a25aSJames Feist } 376d653b75cSBruce Mitchell ++it; 3776714a25aSJames Feist } 3786714a25aSJames Feist if (!found) 3796714a25aSJames Feist { 3806714a25aSJames Feist continue; 3816714a25aSJames Feist } 3826714a25aSJames Feist } 3835636d52bSMatt Spinler 3846714a25aSJames Feist std::vector<thresholds::Threshold> sensorThresholds; 3855636d52bSMatt Spinler 3869f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, sensorThresholds, 3875636d52bSMatt Spinler nullptr, &index)) 3886714a25aSJames Feist { 389df515159SJames Feist std::cerr << "error populating thresholds for " 390fefdbe7fSPotin Lai << sensorName << " index " << index << "\n"; 3916714a25aSJames Feist } 39287bc67f7SJeff Lin 3939f3a74edSJayashree Dhanapal auto findPollRate = baseConfigMap.find("PollRate"); 39487bc67f7SJeff Lin float pollRate = pollRateDefault; 3959f3a74edSJayashree Dhanapal if (findPollRate != baseConfigMap.end()) 39687bc67f7SJeff Lin { 39787bc67f7SJeff Lin pollRate = std::visit(VariantToFloatVisitor(), 39887bc67f7SJeff Lin findPollRate->second); 39987bc67f7SJeff Lin if (pollRate <= 0.0f) 40087bc67f7SJeff Lin { 40187bc67f7SJeff Lin pollRate = pollRateDefault; // polling time too short 40287bc67f7SJeff Lin } 40387bc67f7SJeff Lin } 40487bc67f7SJeff Lin 4059f3a74edSJayashree Dhanapal auto findPowerOn = baseConfigMap.find("PowerState"); 406f9b01b6dSJames Feist PowerState readState = PowerState::always; 4079f3a74edSJayashree Dhanapal if (findPowerOn != baseConfigMap.end()) 408f9b01b6dSJames Feist { 409f9b01b6dSJames Feist std::string powerState = std::visit( 410f9b01b6dSJames Feist VariantToStringVisitor(), findPowerOn->second); 411f9b01b6dSJames Feist setReadState(powerState, readState); 412f9b01b6dSJames Feist } 413100c20bfSJason Ling 4149f3a74edSJayashree Dhanapal auto permitSet = getPermitSet(baseConfigMap); 4158b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4168b3f7d40SAlex Qiu sensor = nullptr; 417100c20bfSJason Ling auto hwmonFile = getFullHwmonFilePath(directory.string(), 418100c20bfSJason Ling "temp1", permitSet); 419544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 420544e7dc5SBruce Mitchell { 421544e7dc5SBruce Mitchell hwmonFile = pathStr; 422544e7dc5SBruce Mitchell } 423100c20bfSJason Ling if (hwmonFile) 424100c20bfSJason Ling { 425f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 426100c20bfSJason Ling *hwmonFile, sensorType, objectServer, dbusConnection, 427544e7dc5SBruce Mitchell io, sensorName, std::move(sensorThresholds), 4289f3a74edSJayashree Dhanapal thisSensorParameters, pollRate, interfacePath, 429544e7dc5SBruce Mitchell readState); 430f3fd1915SYong Li sensor->setupRead(); 4319f3a74edSJayashree Dhanapal hwmonName.erase( 4329f3a74edSJayashree Dhanapal remove(hwmonName.begin(), hwmonName.end(), sensorName), 4339f3a74edSJayashree Dhanapal hwmonName.end()); 434100c20bfSJason Ling } 4358b3f7d40SAlex Qiu // Looking for keys like "Name1" for temp2_input, 4368b3f7d40SAlex Qiu // "Name2" for temp3_input, etc. 4378b3f7d40SAlex Qiu int i = 0; 4388b3f7d40SAlex Qiu while (true) 43937266ca9SJames Feist { 4408b3f7d40SAlex Qiu ++i; 4418b3f7d40SAlex Qiu auto findKey = 4429f3a74edSJayashree Dhanapal baseConfigMap.find("Name" + std::to_string(i)); 4439f3a74edSJayashree Dhanapal if (findKey == baseConfigMap.end()) 4448b3f7d40SAlex Qiu { 4458b3f7d40SAlex Qiu break; 44637266ca9SJames Feist } 4478b3f7d40SAlex Qiu std::string sensorName = 4488b3f7d40SAlex Qiu std::get<std::string>(findKey->second); 449100c20bfSJason Ling hwmonFile = getFullHwmonFilePath( 450100c20bfSJason Ling directory.string(), "temp" + std::to_string(i + 1), 451100c20bfSJason Ling permitSet); 452544e7dc5SBruce Mitchell if (pathStr.starts_with("/sys/bus/iio/devices")) 453544e7dc5SBruce Mitchell { 454544e7dc5SBruce Mitchell continue; 455544e7dc5SBruce Mitchell } 456100c20bfSJason Ling if (hwmonFile) 457100c20bfSJason Ling { 4585636d52bSMatt Spinler // To look up thresholds for these additional sensors, 4595636d52bSMatt Spinler // match on the Index property in the threshold data 4605636d52bSMatt Spinler // where the index comes from the sysfs file we're on, 4615636d52bSMatt Spinler // i.e. index = 2 for temp2_input. 4625636d52bSMatt Spinler int index = i + 1; 4635636d52bSMatt Spinler std::vector<thresholds::Threshold> thresholds; 4645636d52bSMatt Spinler 4659f3a74edSJayashree Dhanapal if (!parseThresholdsFromConfig(sensorData, thresholds, 4665636d52bSMatt Spinler nullptr, &index)) 4675636d52bSMatt Spinler { 4685636d52bSMatt Spinler std::cerr << "error populating thresholds for " 4695636d52bSMatt Spinler << sensorName << " index " << index 4705636d52bSMatt Spinler << "\n"; 4715636d52bSMatt Spinler } 4725636d52bSMatt Spinler 4738b3f7d40SAlex Qiu auto& sensor = sensors[sensorName]; 4748b3f7d40SAlex Qiu sensor = nullptr; 475f3fd1915SYong Li sensor = std::make_shared<HwmonTempSensor>( 476100c20bfSJason Ling *hwmonFile, sensorType, objectServer, 477100c20bfSJason Ling dbusConnection, io, sensorName, 478544e7dc5SBruce Mitchell std::move(thresholds), thisSensorParameters, 4799f3a74edSJayashree Dhanapal pollRate, interfacePath, readState); 480f3fd1915SYong Li sensor->setupRead(); 4819f3a74edSJayashree Dhanapal hwmonName.erase(remove(hwmonName.begin(), 4829f3a74edSJayashree Dhanapal hwmonName.end(), sensorName), 4839f3a74edSJayashree Dhanapal hwmonName.end()); 4848b3f7d40SAlex Qiu } 4856714a25aSJames Feist } 48631ec7dbbSMatt Spinler if (hwmonName.empty()) 48731ec7dbbSMatt Spinler { 4889f3a74edSJayashree Dhanapal configMap.erase(findSensorCfg); 4899f3a74edSJayashree Dhanapal } 49031ec7dbbSMatt Spinler } 4918a17c303SEd Tanous }); 492df515159SJames Feist getter->getConfiguration( 493df515159SJames Feist std::vector<std::string>(sensorTypes.begin(), sensorTypes.end())); 4946714a25aSJames Feist } 4956714a25aSJames Feist 49620bf2c1cSMatt Spinler void interfaceRemoved( 49720bf2c1cSMatt Spinler sdbusplus::message::message& message, 49820bf2c1cSMatt Spinler boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>>& 49920bf2c1cSMatt Spinler sensors) 50020bf2c1cSMatt Spinler { 50120bf2c1cSMatt Spinler if (message.is_method_error()) 50220bf2c1cSMatt Spinler { 50320bf2c1cSMatt Spinler std::cerr << "interfacesRemoved callback method error\n"; 50420bf2c1cSMatt Spinler return; 50520bf2c1cSMatt Spinler } 50620bf2c1cSMatt Spinler 50720bf2c1cSMatt Spinler sdbusplus::message::object_path path; 50820bf2c1cSMatt Spinler std::vector<std::string> interfaces; 50920bf2c1cSMatt Spinler 51020bf2c1cSMatt Spinler message.read(path, interfaces); 51120bf2c1cSMatt Spinler 51220bf2c1cSMatt Spinler // If the xyz.openbmc_project.Confguration.X interface was removed 51320bf2c1cSMatt Spinler // for one or more sensors, delete those sensor objects. 51420bf2c1cSMatt Spinler auto sensorIt = sensors.begin(); 51520bf2c1cSMatt Spinler while (sensorIt != sensors.end()) 51620bf2c1cSMatt Spinler { 51720bf2c1cSMatt Spinler if ((sensorIt->second->configurationPath == path) && 51820bf2c1cSMatt Spinler (std::find(interfaces.begin(), interfaces.end(), 51920bf2c1cSMatt Spinler sensorIt->second->objectType) != interfaces.end())) 52020bf2c1cSMatt Spinler { 52120bf2c1cSMatt Spinler sensorIt = sensors.erase(sensorIt); 52220bf2c1cSMatt Spinler } 52320bf2c1cSMatt Spinler else 52420bf2c1cSMatt Spinler { 52520bf2c1cSMatt Spinler sensorIt++; 52620bf2c1cSMatt Spinler } 52720bf2c1cSMatt Spinler } 52820bf2c1cSMatt Spinler } 52920bf2c1cSMatt Spinler 530b6c0b914SJames Feist int main() 5316714a25aSJames Feist { 5326714a25aSJames Feist boost::asio::io_service io; 5336714a25aSJames Feist auto systemBus = std::make_shared<sdbusplus::asio::connection>(io); 5346714a25aSJames Feist systemBus->request_name("xyz.openbmc_project.HwmonTempSensor"); 5356714a25aSJames Feist sdbusplus::asio::object_server objectServer(systemBus); 536f3fd1915SYong Li boost::container::flat_map<std::string, std::shared_ptr<HwmonTempSensor>> 5376714a25aSJames Feist sensors; 5386714a25aSJames Feist std::vector<std::unique_ptr<sdbusplus::bus::match::match>> matches; 5395591cf08SJames Feist auto sensorsChanged = 5405591cf08SJames Feist std::make_shared<boost::container::flat_set<std::string>>(); 5416714a25aSJames Feist 5426714a25aSJames Feist io.post([&]() { 5436714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, nullptr); 5446714a25aSJames Feist }); 5456714a25aSJames Feist 5466714a25aSJames Feist boost::asio::deadline_timer filterTimer(io); 5476714a25aSJames Feist std::function<void(sdbusplus::message::message&)> eventHandler = 5486714a25aSJames Feist [&](sdbusplus::message::message& message) { 5496714a25aSJames Feist if (message.is_method_error()) 5506714a25aSJames Feist { 5516714a25aSJames Feist std::cerr << "callback method error\n"; 5526714a25aSJames Feist return; 5536714a25aSJames Feist } 5546714a25aSJames Feist sensorsChanged->insert(message.get_path()); 5556714a25aSJames Feist // this implicitly cancels the timer 5566714a25aSJames Feist filterTimer.expires_from_now(boost::posix_time::seconds(1)); 5576714a25aSJames Feist 5586714a25aSJames Feist filterTimer.async_wait([&](const boost::system::error_code& ec) { 5596714a25aSJames Feist if (ec == boost::asio::error::operation_aborted) 5606714a25aSJames Feist { 5616714a25aSJames Feist /* we were canceled*/ 5626714a25aSJames Feist return; 5636714a25aSJames Feist } 5648a57ec09SEd Tanous if (ec) 5656714a25aSJames Feist { 5666714a25aSJames Feist std::cerr << "timer error\n"; 5676714a25aSJames Feist return; 5686714a25aSJames Feist } 5696714a25aSJames Feist createSensors(io, objectServer, sensors, systemBus, 5706714a25aSJames Feist sensorsChanged); 5716714a25aSJames Feist }); 5726714a25aSJames Feist }; 5736714a25aSJames Feist 5749ced0a38SJae Hyun Yoo for (const char* type : sensorTypes) 5756714a25aSJames Feist { 5766714a25aSJames Feist auto match = std::make_unique<sdbusplus::bus::match::match>( 5776714a25aSJames Feist static_cast<sdbusplus::bus::bus&>(*systemBus), 5786714a25aSJames Feist "type='signal',member='PropertiesChanged',path_namespace='" + 5799ced0a38SJae Hyun Yoo std::string(inventoryPath) + "',arg0namespace='" + type + "'", 5806714a25aSJames Feist eventHandler); 5816714a25aSJames Feist matches.emplace_back(std::move(match)); 5826714a25aSJames Feist } 5836714a25aSJames Feist 5841263c3daSBruce Lee setupManufacturingModeMatch(*systemBus); 58520bf2c1cSMatt Spinler 58620bf2c1cSMatt Spinler // Watch for entity-manager to remove configuration interfaces 58720bf2c1cSMatt Spinler // so the corresponding sensors can be removed. 58820bf2c1cSMatt Spinler auto ifaceRemovedMatch = std::make_unique<sdbusplus::bus::match::match>( 58920bf2c1cSMatt Spinler static_cast<sdbusplus::bus::bus&>(*systemBus), 59020bf2c1cSMatt Spinler "type='signal',member='InterfacesRemoved',arg0path='" + 59120bf2c1cSMatt Spinler std::string(inventoryPath) + "/'", 59220bf2c1cSMatt Spinler [&sensors](sdbusplus::message::message& msg) { 59320bf2c1cSMatt Spinler interfaceRemoved(msg, sensors); 59420bf2c1cSMatt Spinler }); 59520bf2c1cSMatt Spinler 59620bf2c1cSMatt Spinler matches.emplace_back(std::move(ifaceRemovedMatch)); 59720bf2c1cSMatt Spinler 5986714a25aSJames Feist io.run(); 5996714a25aSJames Feist } 600