| /* |
| // Copyright (c) 2017 2018 Intel Corporation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| */ |
| |
| #include "dbus-sdr/sensorcommands.hpp" |
| |
| #include "dbus-sdr/sdrutils.hpp" |
| #include "dbus-sdr/sensorutils.hpp" |
| #include "dbus-sdr/storagecommands.hpp" |
| |
| #include <algorithm> |
| #include <array> |
| #include <boost/algorithm/string.hpp> |
| #include <boost/container/flat_map.hpp> |
| #include <chrono> |
| #include <cmath> |
| #include <cstring> |
| #include <iostream> |
| #include <ipmid/api.hpp> |
| #include <ipmid/types.hpp> |
| #include <ipmid/utils.hpp> |
| #include <map> |
| #include <memory> |
| #include <optional> |
| #include <phosphor-logging/log.hpp> |
| #include <sdbusplus/bus.hpp> |
| #include <stdexcept> |
| #include <string> |
| #include <user_channel/channel_layer.hpp> |
| #include <utility> |
| #include <variant> |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| |
| #include "sensordatahandler.hpp" |
| namespace ipmi |
| { |
| namespace sensor |
| { |
| extern const IdInfoMap sensors; |
| } // namespace sensor |
| } // namespace ipmi |
| #endif |
| |
| constexpr std::array<const char*, 7> suffixes = { |
| "_Output_Voltage", "_Input_Voltage", "_Output_Current", "_Input_Current", |
| "_Output_Power", "_Input_Power", "_Temperature"}; |
| namespace ipmi |
| { |
| |
| using phosphor::logging::entry; |
| using phosphor::logging::level; |
| using phosphor::logging::log; |
| |
| static constexpr int sensorMapUpdatePeriod = 10; |
| static constexpr int sensorMapSdrUpdatePeriod = 60; |
| |
| // BMC I2C address is generally at 0x20 |
| static constexpr uint8_t bmcI2CAddr = 0x20; |
| |
| constexpr size_t maxSDRTotalSize = |
| 76; // Largest SDR Record Size (type 01) + SDR Overheader Size |
| constexpr static const uint32_t noTimestamp = 0xFFFFFFFF; |
| |
| static uint16_t sdrReservationID; |
| static uint32_t sdrLastAdd = noTimestamp; |
| static uint32_t sdrLastRemove = noTimestamp; |
| static constexpr size_t lastRecordIndex = 0xFFFF; |
| |
| // The IPMI spec defines four Logical Units (LUN), each capable of supporting |
| // 255 sensors. The 256 values assigned to LUN 2 are special and are not used |
| // for general purpose sensors. Each LUN reserves location 0xFF. The maximum |
| // number of IPMI sensors are LUN 0 + LUN 1 + LUN 2, less the reserved |
| // location. |
| static constexpr size_t maxIPMISensors = ((3 * 256) - (3 * 1)); |
| |
| static constexpr size_t lun0MaxSensorNum = 0xfe; |
| static constexpr size_t lun1MaxSensorNum = 0x1fe; |
| static constexpr size_t lun3MaxSensorNum = 0x3fe; |
| static constexpr int GENERAL_ERROR = -1; |
| |
| static boost::container::flat_map<std::string, ObjectValueTree> SensorCache; |
| |
| // Specify the comparison required to sort and find char* map objects |
| struct CmpStr |
| { |
| bool operator()(const char* a, const char* b) const |
| { |
| return std::strcmp(a, b) < 0; |
| } |
| }; |
| const static boost::container::flat_map<const char*, SensorUnits, CmpStr> |
| sensorUnits{{{"temperature", SensorUnits::degreesC}, |
| {"voltage", SensorUnits::volts}, |
| {"current", SensorUnits::amps}, |
| {"fan_tach", SensorUnits::rpm}, |
| {"power", SensorUnits::watts}}}; |
| |
| void registerSensorFunctions() __attribute__((constructor)); |
| |
| static sdbusplus::bus::match::match sensorAdded( |
| *getSdBus(), |
| "type='signal',member='InterfacesAdded',arg0path='/xyz/openbmc_project/" |
| "sensors/'", |
| [](sdbusplus::message::message& m) { |
| getSensorTree().clear(); |
| sdrLastAdd = std::chrono::duration_cast<std::chrono::seconds>( |
| std::chrono::system_clock::now().time_since_epoch()) |
| .count(); |
| }); |
| |
| static sdbusplus::bus::match::match sensorRemoved( |
| *getSdBus(), |
| "type='signal',member='InterfacesRemoved',arg0path='/xyz/openbmc_project/" |
| "sensors/'", |
| [](sdbusplus::message::message& m) { |
| getSensorTree().clear(); |
| sdrLastRemove = std::chrono::duration_cast<std::chrono::seconds>( |
| std::chrono::system_clock::now().time_since_epoch()) |
| .count(); |
| }); |
| |
| // this keeps track of deassertions for sensor event status command. A |
| // deasertion can only happen if an assertion was seen first. |
| static boost::container::flat_map< |
| std::string, boost::container::flat_map<std::string, std::optional<bool>>> |
| thresholdDeassertMap; |
| |
| static sdbusplus::bus::match::match thresholdChanged( |
| *getSdBus(), |
| "type='signal',member='PropertiesChanged',interface='org.freedesktop.DBus." |
| "Properties',arg0namespace='xyz.openbmc_project.Sensor.Threshold'", |
| [](sdbusplus::message::message& m) { |
| boost::container::flat_map<std::string, std::variant<bool, double>> |
| values; |
| m.read(std::string(), values); |
| |
| auto findAssert = |
| std::find_if(values.begin(), values.end(), [](const auto& pair) { |
| return pair.first.find("Alarm") != std::string::npos; |
| }); |
| if (findAssert != values.end()) |
| { |
| auto ptr = std::get_if<bool>(&(findAssert->second)); |
| if (ptr == nullptr) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "thresholdChanged: Assert non bool"); |
| return; |
| } |
| if (*ptr) |
| { |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "thresholdChanged: Assert", |
| phosphor::logging::entry("SENSOR=%s", m.get_path())); |
| thresholdDeassertMap[m.get_path()][findAssert->first] = *ptr; |
| } |
| else |
| { |
| auto& value = |
| thresholdDeassertMap[m.get_path()][findAssert->first]; |
| if (value) |
| { |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "thresholdChanged: deassert", |
| phosphor::logging::entry("SENSOR=%s", m.get_path())); |
| value = *ptr; |
| } |
| } |
| } |
| }); |
| |
| namespace sensor |
| { |
| static constexpr const char* vrInterface = |
| "xyz.openbmc_project.Control.VoltageRegulatorMode"; |
| static constexpr const char* sensorInterface = |
| "xyz.openbmc_project.Sensor.Value"; |
| } // namespace sensor |
| |
| static void getSensorMaxMin(const DbusInterfaceMap& sensorMap, double& max, |
| double& min) |
| { |
| max = 127; |
| min = -128; |
| |
| auto sensorObject = sensorMap.find(sensor::sensorInterface); |
| auto critical = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| auto warning = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| |
| if (sensorObject != sensorMap.end()) |
| { |
| auto maxMap = sensorObject->second.find("MaxValue"); |
| auto minMap = sensorObject->second.find("MinValue"); |
| |
| if (maxMap != sensorObject->second.end()) |
| { |
| max = std::visit(VariantToDoubleVisitor(), maxMap->second); |
| } |
| if (minMap != sensorObject->second.end()) |
| { |
| min = std::visit(VariantToDoubleVisitor(), minMap->second); |
| } |
| } |
| if (critical != sensorMap.end()) |
| { |
| auto lower = critical->second.find("CriticalLow"); |
| auto upper = critical->second.find("CriticalHigh"); |
| if (lower != critical->second.end()) |
| { |
| double value = std::visit(VariantToDoubleVisitor(), lower->second); |
| min = std::min(value, min); |
| } |
| if (upper != critical->second.end()) |
| { |
| double value = std::visit(VariantToDoubleVisitor(), upper->second); |
| max = std::max(value, max); |
| } |
| } |
| if (warning != sensorMap.end()) |
| { |
| |
| auto lower = warning->second.find("WarningLow"); |
| auto upper = warning->second.find("WarningHigh"); |
| if (lower != warning->second.end()) |
| { |
| double value = std::visit(VariantToDoubleVisitor(), lower->second); |
| min = std::min(value, min); |
| } |
| if (upper != warning->second.end()) |
| { |
| double value = std::visit(VariantToDoubleVisitor(), upper->second); |
| max = std::max(value, max); |
| } |
| } |
| } |
| |
| static bool getSensorMap(ipmi::Context::ptr ctx, std::string sensorConnection, |
| std::string sensorPath, DbusInterfaceMap& sensorMap, |
| int updatePeriod = sensorMapUpdatePeriod) |
| { |
| #ifdef FEATURE_HYBRID_SENSORS |
| if (auto sensor = findStaticSensor(sensorPath); |
| sensor != ipmi::sensor::sensors.end() && |
| getSensorEventTypeFromPath(sensorPath) != |
| static_cast<uint8_t>(SensorEventTypeCodes::threshold)) |
| { |
| // If the incoming sensor is a discrete sensor, it might fail in |
| // getManagedObjects(), return true, and use its own getFunc to get |
| // value. |
| return true; |
| } |
| #endif |
| |
| static boost::container::flat_map< |
| std::string, std::chrono::time_point<std::chrono::steady_clock>> |
| updateTimeMap; |
| |
| auto updateFind = updateTimeMap.find(sensorConnection); |
| auto lastUpdate = std::chrono::time_point<std::chrono::steady_clock>(); |
| if (updateFind != updateTimeMap.end()) |
| { |
| lastUpdate = updateFind->second; |
| } |
| |
| auto now = std::chrono::steady_clock::now(); |
| |
| if (std::chrono::duration_cast<std::chrono::seconds>(now - lastUpdate) |
| .count() > updatePeriod) |
| { |
| ObjectValueTree managedObjects; |
| boost::system::error_code ec = getManagedObjects( |
| ctx, sensorConnection.c_str(), "/", managedObjects); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "GetMangagedObjects for getSensorMap failed", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str())); |
| |
| return false; |
| } |
| |
| SensorCache[sensorConnection] = managedObjects; |
| // Update time after finish building the map which allow the |
| // data to be cached for updatePeriod plus the build time. |
| updateTimeMap[sensorConnection] = std::chrono::steady_clock::now(); |
| } |
| auto connection = SensorCache.find(sensorConnection); |
| if (connection == SensorCache.end()) |
| { |
| return false; |
| } |
| auto path = connection->second.find(sensorPath); |
| if (path == connection->second.end()) |
| { |
| return false; |
| } |
| sensorMap = path->second; |
| |
| return true; |
| } |
| |
| namespace sensor |
| { |
| // Read VR profiles from sensor(daemon) interface |
| static std::optional<std::vector<std::string>> |
| getSupportedVrProfiles(const ipmi::DbusInterfaceMap::mapped_type& object) |
| { |
| // get VR mode profiles from Supported Interface |
| auto supportedProperty = object.find("Supported"); |
| if (supportedProperty == object.end() || |
| object.find("Selected") == object.end()) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Missing the required Supported and Selected properties"); |
| return std::nullopt; |
| } |
| |
| const auto profilesPtr = |
| std::get_if<std::vector<std::string>>(&supportedProperty->second); |
| |
| if (profilesPtr == nullptr) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "property is not array of string"); |
| return std::nullopt; |
| } |
| return *profilesPtr; |
| } |
| |
| // Calculate VR Mode from input IPMI discrete event bytes |
| static std::optional<std::string> |
| calculateVRMode(uint15_t assertOffset, |
| const ipmi::DbusInterfaceMap::mapped_type& VRObject) |
| { |
| // get VR mode profiles from Supported Interface |
| auto profiles = getSupportedVrProfiles(VRObject); |
| if (!profiles) |
| { |
| return std::nullopt; |
| } |
| |
| // interpret IPMI cmd bits into profiles' index |
| long unsigned int index = 0; |
| // only one bit should be set and the highest bit should not be used. |
| if (assertOffset == 0 || assertOffset == (1u << 15) || |
| (assertOffset & (assertOffset - 1))) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "IPMI cmd format incorrect", |
| |
| phosphor::logging::entry("BYTES=%#02x", |
| static_cast<uint16_t>(assertOffset))); |
| return std::nullopt; |
| } |
| |
| while (assertOffset != 1) |
| { |
| assertOffset >>= 1; |
| index++; |
| } |
| |
| if (index >= profiles->size()) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "profile index out of boundary"); |
| return std::nullopt; |
| } |
| |
| return profiles->at(index); |
| } |
| |
| // Calculate sensor value from IPMI reading byte |
| static std::optional<double> |
| calculateValue(uint8_t reading, const ipmi::DbusInterfaceMap& sensorMap, |
| const ipmi::DbusInterfaceMap::mapped_type& valueObject) |
| { |
| if (valueObject.find("Value") == valueObject.end()) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Missing the required Value property"); |
| return std::nullopt; |
| } |
| |
| double max = 0; |
| double min = 0; |
| getSensorMaxMin(sensorMap, max, min); |
| |
| int16_t mValue = 0; |
| int16_t bValue = 0; |
| int8_t rExp = 0; |
| int8_t bExp = 0; |
| bool bSigned = false; |
| |
| if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned)) |
| { |
| return std::nullopt; |
| } |
| |
| double value = bSigned ? ((int8_t)reading) : reading; |
| |
| value *= ((double)mValue); |
| value += ((double)bValue) * std::pow(10.0, bExp); |
| value *= std::pow(10.0, rExp); |
| |
| return value; |
| } |
| |
| // Extract file name from sensor path as the sensors SDR ID. Simplify the name |
| // if it is too long. |
| std::string parseSdrIdFromPath(const std::string& path) |
| { |
| std::string name; |
| size_t nameStart = path.rfind("/"); |
| if (nameStart != std::string::npos) |
| { |
| name = path.substr(nameStart + 1, std::string::npos - nameStart); |
| } |
| |
| if (name.size() > FULL_RECORD_ID_STR_MAX_LENGTH) |
| { |
| // try to not truncate by replacing common words |
| for (const auto& suffix : suffixes) |
| { |
| if (boost::ends_with(name, suffix)) |
| { |
| boost::replace_all(name, suffix, ""); |
| break; |
| } |
| } |
| name.resize(FULL_RECORD_ID_STR_MAX_LENGTH); |
| } |
| std::replace(name.begin(), name.end(), '_', ' '); |
| return name; |
| } |
| |
| bool getVrEventStatus(ipmi::Context::ptr ctx, const std::string& connection, |
| const std::string& path, |
| const ipmi::DbusInterfaceMap::mapped_type& object, |
| std::bitset<16>& assertions) |
| { |
| auto profiles = sensor::getSupportedVrProfiles(object); |
| if (!profiles) |
| { |
| return false; |
| } |
| ipmi::Value modeVariant; |
| |
| auto ec = getDbusProperty(ctx, connection, path, sensor::vrInterface, |
| "Selected", modeVariant); |
| if (ec) |
| { |
| log<level::ERR>("Failed to get property", |
| entry("PROPERTY=%s", "Selected"), |
| entry("PATH=%s", path.c_str()), |
| entry("INTERFACE=%s", sensor::sensorInterface), |
| entry("WHAT=%s", ec.message().c_str())); |
| return false; |
| } |
| |
| auto mode = std::get_if<std::string>(&modeVariant); |
| if (mode == nullptr) |
| { |
| log<level::ERR>("property is not a string", |
| entry("PROPERTY=%s", "Selected"), |
| entry("PATH=%s", path.c_str()), |
| entry("INTERFACE=%s", sensor::sensorInterface)); |
| return false; |
| } |
| |
| auto itr = std::find(profiles->begin(), profiles->end(), *mode); |
| if (itr == profiles->end()) |
| { |
| using namespace phosphor::logging; |
| log<level::ERR>("VR mode doesn't match any of its profiles", |
| entry("PATH=%s", path.c_str())); |
| return false; |
| } |
| std::size_t index = |
| static_cast<std::size_t>(std::distance(profiles->begin(), itr)); |
| |
| // map index to reponse event assertion bit. |
| if (index < 8) |
| { |
| assertions.set(1u << index); |
| } |
| else if (index < 15) |
| { |
| assertions.set(1u << (index - 8)); |
| } |
| else |
| { |
| log<level::ERR>("VR profile index reaches max assertion bit", |
| entry("PATH=%s", path.c_str()), |
| entry("INDEX=%uz", index)); |
| return false; |
| } |
| if constexpr (debug) |
| { |
| std::cerr << "VR sensor " << sensor::parseSdrIdFromPath(path) |
| << " mode is: [" << index << "] " << *mode << std::endl; |
| } |
| return true; |
| } |
| } // namespace sensor |
| |
| ipmi::RspType<> ipmiSenPlatformEvent(ipmi::Context::ptr ctx, |
| ipmi::message::Payload& p) |
| { |
| constexpr const uint8_t validEnvmRev = 0x04; |
| constexpr const uint8_t lastSensorType = 0x2C; |
| constexpr const uint8_t oemReserved = 0xC0; |
| |
| uint8_t generatorID = 0; |
| uint8_t evmRev = 0; |
| uint8_t sensorType = 0; |
| uint8_t sensorNum = 0; |
| uint8_t eventType = 0; |
| uint8_t eventData1 = 0; |
| std::optional<uint8_t> eventData2 = 0; |
| std::optional<uint8_t> eventData3 = 0; |
| ipmi::ChannelInfo chInfo; |
| |
| if (ipmi::getChannelInfo(ctx->channel, chInfo) != ipmi::ccSuccess) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to get Channel Info", |
| phosphor::logging::entry("CHANNEL=%d", ctx->channel)); |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| if (static_cast<ipmi::EChannelMediumType>(chInfo.mediumType) == |
| ipmi::EChannelMediumType::systemInterface) |
| { |
| |
| p.unpack(generatorID, evmRev, sensorType, sensorNum, eventType, |
| eventData1, eventData2, eventData3); |
| } |
| else |
| { |
| |
| p.unpack(evmRev, sensorType, sensorNum, eventType, eventData1, |
| eventData2, eventData3); |
| generatorID = ctx->rqSA; |
| } |
| |
| if (!p.fullyUnpacked()) |
| { |
| return ipmi::responseReqDataLenInvalid(); |
| } |
| |
| // Check for valid evmRev and Sensor Type(per Table 42 of spec) |
| if (evmRev != validEnvmRev) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| if ((sensorType > lastSensorType) && (sensorType < oemReserved)) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| return ipmi::responseSuccess(); |
| } |
| |
| ipmi::RspType<> ipmiSetSensorReading(ipmi::Context::ptr ctx, |
| uint8_t sensorNumber, uint8_t operation, |
| uint8_t reading, uint15_t assertOffset, |
| bool resvd1, uint15_t deassertOffset, |
| bool resvd2, uint8_t eventData1, |
| uint8_t eventData2, uint8_t eventData3) |
| { |
| std::string connection; |
| std::string path; |
| std::vector<std::string> interfaces; |
| |
| ipmi::Cc status = |
| getSensorConnection(ctx, sensorNumber, connection, path, &interfaces); |
| if (status) |
| { |
| return ipmi::response(status); |
| } |
| |
| // we can tell the sensor type by its interface type |
| if (std::find(interfaces.begin(), interfaces.end(), |
| sensor::sensorInterface) != interfaces.end()) |
| { |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| auto sensorObject = sensorMap.find(sensor::sensorInterface); |
| if (sensorObject == sensorMap.end()) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| // Only allow external SetSensor if write permission granted |
| if (!details::sdrWriteTable.getWritePermission(sensorNumber)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| auto value = |
| sensor::calculateValue(reading, sensorMap, sensorObject->second); |
| if (!value) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| if constexpr (debug) |
| { |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "IPMI SET_SENSOR", |
| phosphor::logging::entry("SENSOR_NUM=%d", sensorNumber), |
| phosphor::logging::entry("BYTE=%u", (unsigned int)reading), |
| phosphor::logging::entry("VALUE=%f", *value)); |
| } |
| |
| boost::system::error_code ec = |
| setDbusProperty(ctx, connection, path, sensor::sensorInterface, |
| "Value", ipmi::Value(*value)); |
| |
| // setDbusProperty intended to resolve dbus exception/rc within the |
| // function but failed to achieve that. Catch exception in the ipmi |
| // callback functions for now (e.g. ipmiSetSensorReading). |
| if (ec) |
| { |
| using namespace phosphor::logging; |
| log<level::ERR>("Failed to set property", |
| entry("PROPERTY=%s", "Value"), |
| entry("PATH=%s", path.c_str()), |
| entry("INTERFACE=%s", sensor::sensorInterface), |
| entry("WHAT=%s", ec.message().c_str())); |
| return ipmi::responseResponseError(); |
| } |
| return ipmi::responseSuccess(); |
| } |
| |
| if (std::find(interfaces.begin(), interfaces.end(), sensor::vrInterface) != |
| interfaces.end()) |
| { |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| auto sensorObject = sensorMap.find(sensor::vrInterface); |
| if (sensorObject == sensorMap.end()) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| // VR sensors are treated as a special case and we will not check the |
| // write permission for VR sensors, since they always deemed writable |
| // and permission table are not applied to VR sensors. |
| auto vrMode = |
| sensor::calculateVRMode(assertOffset, sensorObject->second); |
| if (!vrMode) |
| { |
| return ipmi::responseResponseError(); |
| } |
| boost::system::error_code ec = setDbusProperty( |
| ctx, connection, path, sensor::vrInterface, "Selected", *vrMode); |
| // setDbusProperty intended to resolve dbus exception/rc within the |
| // function but failed to achieve that. Catch exception in the ipmi |
| // callback functions for now (e.g. ipmiSetSensorReading). |
| if (ec) |
| { |
| using namespace phosphor::logging; |
| log<level::ERR>("Failed to set property", |
| entry("PROPERTY=%s", "Selected"), |
| entry("PATH=%s", path.c_str()), |
| entry("INTERFACE=%s", sensor::sensorInterface), |
| entry("WHAT=%s", ec.message().c_str())); |
| return ipmi::responseResponseError(); |
| } |
| return ipmi::responseSuccess(); |
| } |
| |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "unknown sensor type", |
| phosphor::logging::entry("PATH=%s", path.c_str())); |
| return ipmi::responseResponseError(); |
| } |
| |
| ipmi::RspType<uint8_t, uint8_t, uint8_t, std::optional<uint8_t>> |
| ipmiSenGetSensorReading(ipmi::Context::ptr ctx, uint8_t sensnum) |
| { |
| std::string connection; |
| std::string path; |
| |
| if (sensnum == reservedSensorNumber) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| auto status = getSensorConnection(ctx, sensnum, connection, path); |
| if (status) |
| { |
| return ipmi::response(status); |
| } |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| if (auto sensor = findStaticSensor(path); |
| sensor != ipmi::sensor::sensors.end() && |
| getSensorEventTypeFromPath(path) != |
| static_cast<uint8_t>(SensorEventTypeCodes::threshold)) |
| { |
| if (ipmi::sensor::Mutability::Read != |
| (sensor->second.mutability & ipmi::sensor::Mutability::Read)) |
| { |
| return ipmi::responseIllegalCommand(); |
| } |
| |
| uint8_t operation; |
| try |
| { |
| ipmi::sensor::GetSensorResponse getResponse = |
| sensor->second.getFunc(sensor->second); |
| |
| if (getResponse.readingOrStateUnavailable) |
| { |
| operation |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::readingStateUnavailable); |
| } |
| if (getResponse.scanningEnabled) |
| { |
| operation |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::sensorScanningEnable); |
| } |
| if (getResponse.allEventMessagesEnabled) |
| { |
| operation |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::eventMessagesEnable); |
| } |
| return ipmi::responseSuccess( |
| getResponse.reading, operation, |
| getResponse.thresholdLevelsStates, |
| getResponse.discreteReadingSensorStates); |
| } |
| catch (const std::exception& e) |
| { |
| operation |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::readingStateUnavailable); |
| return ipmi::responseSuccess(0, operation, 0, std::nullopt); |
| } |
| } |
| #endif |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| auto sensorObject = sensorMap.find(sensor::sensorInterface); |
| |
| if (sensorObject == sensorMap.end() || |
| sensorObject->second.find("Value") == sensorObject->second.end()) |
| { |
| return ipmi::responseResponseError(); |
| } |
| auto& valueVariant = sensorObject->second["Value"]; |
| double reading = std::visit(VariantToDoubleVisitor(), valueVariant); |
| |
| double max = 0; |
| double min = 0; |
| getSensorMaxMin(sensorMap, max, min); |
| |
| int16_t mValue = 0; |
| int16_t bValue = 0; |
| int8_t rExp = 0; |
| int8_t bExp = 0; |
| bool bSigned = false; |
| |
| if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| uint8_t value = |
| scaleIPMIValueFromDouble(reading, mValue, rExp, bValue, bExp, bSigned); |
| uint8_t operation = |
| static_cast<uint8_t>(IPMISensorReadingByte2::sensorScanningEnable); |
| operation |= |
| static_cast<uint8_t>(IPMISensorReadingByte2::eventMessagesEnable); |
| bool notReading = std::isnan(reading); |
| |
| if (!notReading) |
| { |
| auto availableObject = |
| sensorMap.find("xyz.openbmc_project.State.Decorator.Availability"); |
| if (availableObject != sensorMap.end()) |
| { |
| auto findAvailable = availableObject->second.find("Available"); |
| if (findAvailable != availableObject->second.end()) |
| { |
| bool* available = std::get_if<bool>(&(findAvailable->second)); |
| if (available && !(*available)) |
| { |
| notReading = true; |
| } |
| } |
| } |
| } |
| |
| if (notReading) |
| { |
| operation |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::readingStateUnavailable); |
| } |
| |
| if constexpr (details::enableInstrumentation) |
| { |
| int byteValue; |
| if (bSigned) |
| { |
| byteValue = static_cast<int>(static_cast<int8_t>(value)); |
| } |
| else |
| { |
| byteValue = static_cast<int>(static_cast<uint8_t>(value)); |
| } |
| |
| // Keep stats on the reading just obtained, even if it is "NaN" |
| if (details::sdrStatsTable.updateReading(sensnum, reading, byteValue)) |
| { |
| // This is the first reading, show the coefficients |
| double step = (max - min) / 255.0; |
| std::cerr << "IPMI sensor " |
| << details::sdrStatsTable.getName(sensnum) |
| << ": Range min=" << min << " max=" << max |
| << ", step=" << step |
| << ", Coefficients mValue=" << static_cast<int>(mValue) |
| << " rExp=" << static_cast<int>(rExp) |
| << " bValue=" << static_cast<int>(bValue) |
| << " bExp=" << static_cast<int>(bExp) |
| << " bSigned=" << static_cast<int>(bSigned) << "\n"; |
| } |
| } |
| |
| uint8_t thresholds = 0; |
| |
| auto warningObject = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| if (warningObject != sensorMap.end()) |
| { |
| auto alarmHigh = warningObject->second.find("WarningAlarmHigh"); |
| auto alarmLow = warningObject->second.find("WarningAlarmLow"); |
| if (alarmHigh != warningObject->second.end()) |
| { |
| if (std::get<bool>(alarmHigh->second)) |
| { |
| thresholds |= static_cast<uint8_t>( |
| IPMISensorReadingByte3::upperNonCritical); |
| } |
| } |
| if (alarmLow != warningObject->second.end()) |
| { |
| if (std::get<bool>(alarmLow->second)) |
| { |
| thresholds |= static_cast<uint8_t>( |
| IPMISensorReadingByte3::lowerNonCritical); |
| } |
| } |
| } |
| |
| auto criticalObject = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| if (criticalObject != sensorMap.end()) |
| { |
| auto alarmHigh = criticalObject->second.find("CriticalAlarmHigh"); |
| auto alarmLow = criticalObject->second.find("CriticalAlarmLow"); |
| if (alarmHigh != criticalObject->second.end()) |
| { |
| if (std::get<bool>(alarmHigh->second)) |
| { |
| thresholds |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::upperCritical); |
| } |
| } |
| if (alarmLow != criticalObject->second.end()) |
| { |
| if (std::get<bool>(alarmLow->second)) |
| { |
| thresholds |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::lowerCritical); |
| } |
| } |
| } |
| |
| // no discrete as of today so optional byte is never returned |
| return ipmi::responseSuccess(value, operation, thresholds, std::nullopt); |
| } |
| |
| /** @brief implements the Set Sensor threshold command |
| * @param sensorNumber - sensor number |
| * @param lowerNonCriticalThreshMask |
| * @param lowerCriticalThreshMask |
| * @param lowerNonRecovThreshMask |
| * @param upperNonCriticalThreshMask |
| * @param upperCriticalThreshMask |
| * @param upperNonRecovThreshMask |
| * @param reserved |
| * @param lowerNonCritical - lower non-critical threshold |
| * @param lowerCritical - Lower critical threshold |
| * @param lowerNonRecoverable - Lower non recovarable threshold |
| * @param upperNonCritical - Upper non-critical threshold |
| * @param upperCritical - Upper critical |
| * @param upperNonRecoverable - Upper Non-recoverable |
| * |
| * @returns IPMI completion code |
| */ |
| ipmi::RspType<> ipmiSenSetSensorThresholds( |
| ipmi::Context::ptr ctx, uint8_t sensorNum, bool lowerNonCriticalThreshMask, |
| bool lowerCriticalThreshMask, bool lowerNonRecovThreshMask, |
| bool upperNonCriticalThreshMask, bool upperCriticalThreshMask, |
| bool upperNonRecovThreshMask, uint2_t reserved, uint8_t lowerNonCritical, |
| uint8_t lowerCritical, uint8_t lowerNonRecoverable, |
| uint8_t upperNonCritical, uint8_t upperCritical, |
| uint8_t upperNonRecoverable) |
| { |
| if (sensorNum == reservedSensorNumber || reserved) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| // lower nc and upper nc not suppported on any sensor |
| if (lowerNonRecovThreshMask || upperNonRecovThreshMask) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| // if none of the threshold mask are set, nothing to do |
| if (!(lowerNonCriticalThreshMask | lowerCriticalThreshMask | |
| lowerNonRecovThreshMask | upperNonCriticalThreshMask | |
| upperCriticalThreshMask | upperNonRecovThreshMask)) |
| { |
| return ipmi::responseSuccess(); |
| } |
| |
| std::string connection; |
| std::string path; |
| |
| ipmi::Cc status = getSensorConnection(ctx, sensorNum, connection, path); |
| if (status) |
| { |
| return ipmi::response(status); |
| } |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| double max = 0; |
| double min = 0; |
| getSensorMaxMin(sensorMap, max, min); |
| |
| int16_t mValue = 0; |
| int16_t bValue = 0; |
| int8_t rExp = 0; |
| int8_t bExp = 0; |
| bool bSigned = false; |
| |
| if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| // store a vector of property name, value to set, and interface |
| std::vector<std::tuple<std::string, uint8_t, std::string>> thresholdsToSet; |
| |
| // define the indexes of the tuple |
| constexpr uint8_t propertyName = 0; |
| constexpr uint8_t thresholdValue = 1; |
| constexpr uint8_t interface = 2; |
| // verifiy all needed fields are present |
| if (lowerCriticalThreshMask || upperCriticalThreshMask) |
| { |
| auto findThreshold = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| if (findThreshold == sensorMap.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| if (lowerCriticalThreshMask) |
| { |
| auto findLower = findThreshold->second.find("CriticalLow"); |
| if (findLower == findThreshold->second.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| thresholdsToSet.emplace_back("CriticalLow", lowerCritical, |
| findThreshold->first); |
| } |
| if (upperCriticalThreshMask) |
| { |
| auto findUpper = findThreshold->second.find("CriticalHigh"); |
| if (findUpper == findThreshold->second.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| thresholdsToSet.emplace_back("CriticalHigh", upperCritical, |
| findThreshold->first); |
| } |
| } |
| if (lowerNonCriticalThreshMask || upperNonCriticalThreshMask) |
| { |
| auto findThreshold = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| if (findThreshold == sensorMap.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| if (lowerNonCriticalThreshMask) |
| { |
| auto findLower = findThreshold->second.find("WarningLow"); |
| if (findLower == findThreshold->second.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| thresholdsToSet.emplace_back("WarningLow", lowerNonCritical, |
| findThreshold->first); |
| } |
| if (upperNonCriticalThreshMask) |
| { |
| auto findUpper = findThreshold->second.find("WarningHigh"); |
| if (findUpper == findThreshold->second.end()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| thresholdsToSet.emplace_back("WarningHigh", upperNonCritical, |
| findThreshold->first); |
| } |
| } |
| for (const auto& property : thresholdsToSet) |
| { |
| // from section 36.3 in the IPMI Spec, assume all linear |
| double valueToSet = ((mValue * std::get<thresholdValue>(property)) + |
| (bValue * std::pow(10.0, bExp))) * |
| std::pow(10.0, rExp); |
| setDbusProperty( |
| *getSdBus(), connection, path, std::get<interface>(property), |
| std::get<propertyName>(property), ipmi::Value(valueToSet)); |
| } |
| return ipmi::responseSuccess(); |
| } |
| |
| IPMIThresholds getIPMIThresholds(const DbusInterfaceMap& sensorMap) |
| { |
| IPMIThresholds resp; |
| auto warningInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| auto criticalInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| |
| if ((warningInterface != sensorMap.end()) || |
| (criticalInterface != sensorMap.end())) |
| { |
| auto sensorPair = sensorMap.find(sensor::sensorInterface); |
| |
| if (sensorPair == sensorMap.end()) |
| { |
| // should not have been able to find a sensor not implementing |
| // the sensor object |
| throw std::runtime_error("Invalid sensor map"); |
| } |
| |
| double max = 0; |
| double min = 0; |
| getSensorMaxMin(sensorMap, max, min); |
| |
| int16_t mValue = 0; |
| int16_t bValue = 0; |
| int8_t rExp = 0; |
| int8_t bExp = 0; |
| bool bSigned = false; |
| |
| if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned)) |
| { |
| throw std::runtime_error("Invalid sensor atrributes"); |
| } |
| if (warningInterface != sensorMap.end()) |
| { |
| auto& warningMap = warningInterface->second; |
| |
| auto warningHigh = warningMap.find("WarningHigh"); |
| auto warningLow = warningMap.find("WarningLow"); |
| |
| if (warningHigh != warningMap.end()) |
| { |
| |
| double value = |
| std::visit(VariantToDoubleVisitor(), warningHigh->second); |
| resp.warningHigh = scaleIPMIValueFromDouble( |
| value, mValue, rExp, bValue, bExp, bSigned); |
| } |
| if (warningLow != warningMap.end()) |
| { |
| double value = |
| std::visit(VariantToDoubleVisitor(), warningLow->second); |
| resp.warningLow = scaleIPMIValueFromDouble( |
| value, mValue, rExp, bValue, bExp, bSigned); |
| } |
| } |
| if (criticalInterface != sensorMap.end()) |
| { |
| auto& criticalMap = criticalInterface->second; |
| |
| auto criticalHigh = criticalMap.find("CriticalHigh"); |
| auto criticalLow = criticalMap.find("CriticalLow"); |
| |
| if (criticalHigh != criticalMap.end()) |
| { |
| double value = |
| std::visit(VariantToDoubleVisitor(), criticalHigh->second); |
| resp.criticalHigh = scaleIPMIValueFromDouble( |
| value, mValue, rExp, bValue, bExp, bSigned); |
| } |
| if (criticalLow != criticalMap.end()) |
| { |
| double value = |
| std::visit(VariantToDoubleVisitor(), criticalLow->second); |
| resp.criticalLow = scaleIPMIValueFromDouble( |
| value, mValue, rExp, bValue, bExp, bSigned); |
| } |
| } |
| } |
| return resp; |
| } |
| |
| ipmi::RspType<uint8_t, // readable |
| uint8_t, // lowerNCrit |
| uint8_t, // lowerCrit |
| uint8_t, // lowerNrecoverable |
| uint8_t, // upperNC |
| uint8_t, // upperCrit |
| uint8_t> // upperNRecoverable |
| ipmiSenGetSensorThresholds(ipmi::Context::ptr ctx, uint8_t sensorNumber) |
| { |
| std::string connection; |
| std::string path; |
| |
| if (sensorNumber == reservedSensorNumber) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| auto status = getSensorConnection(ctx, sensorNumber, connection, path); |
| if (status) |
| { |
| return ipmi::response(status); |
| } |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| IPMIThresholds thresholdData; |
| try |
| { |
| thresholdData = getIPMIThresholds(sensorMap); |
| } |
| catch (const std::exception&) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| uint8_t readable = 0; |
| uint8_t lowerNC = 0; |
| uint8_t lowerCritical = 0; |
| uint8_t lowerNonRecoverable = 0; |
| uint8_t upperNC = 0; |
| uint8_t upperCritical = 0; |
| uint8_t upperNonRecoverable = 0; |
| |
| if (thresholdData.warningHigh) |
| { |
| readable |= |
| 1 << static_cast<uint8_t>(IPMIThresholdRespBits::upperNonCritical); |
| upperNC = *thresholdData.warningHigh; |
| } |
| if (thresholdData.warningLow) |
| { |
| readable |= |
| 1 << static_cast<uint8_t>(IPMIThresholdRespBits::lowerNonCritical); |
| lowerNC = *thresholdData.warningLow; |
| } |
| |
| if (thresholdData.criticalHigh) |
| { |
| readable |= |
| 1 << static_cast<uint8_t>(IPMIThresholdRespBits::upperCritical); |
| upperCritical = *thresholdData.criticalHigh; |
| } |
| if (thresholdData.criticalLow) |
| { |
| readable |= |
| 1 << static_cast<uint8_t>(IPMIThresholdRespBits::lowerCritical); |
| lowerCritical = *thresholdData.criticalLow; |
| } |
| |
| return ipmi::responseSuccess(readable, lowerNC, lowerCritical, |
| lowerNonRecoverable, upperNC, upperCritical, |
| upperNonRecoverable); |
| } |
| |
| /** @brief implements the get Sensor event enable command |
| * @param sensorNumber - sensor number |
| * |
| * @returns IPMI completion code plus response data |
| * - enabled - Sensor Event messages |
| * - assertionEnabledLsb - Assertion event messages |
| * - assertionEnabledMsb - Assertion event messages |
| * - deassertionEnabledLsb - Deassertion event messages |
| * - deassertionEnabledMsb - Deassertion event messages |
| */ |
| |
| ipmi::RspType<uint8_t, // enabled |
| uint8_t, // assertionEnabledLsb |
| uint8_t, // assertionEnabledMsb |
| uint8_t, // deassertionEnabledLsb |
| uint8_t> // deassertionEnabledMsb |
| ipmiSenGetSensorEventEnable(ipmi::Context::ptr ctx, uint8_t sensorNum) |
| { |
| std::string connection; |
| std::string path; |
| |
| uint8_t enabled = 0; |
| uint8_t assertionEnabledLsb = 0; |
| uint8_t assertionEnabledMsb = 0; |
| uint8_t deassertionEnabledLsb = 0; |
| uint8_t deassertionEnabledMsb = 0; |
| |
| if (sensorNum == reservedSensorNumber) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| auto status = getSensorConnection(ctx, sensorNum, connection, path); |
| if (status) |
| { |
| return ipmi::response(status); |
| } |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| if (auto sensor = findStaticSensor(path); |
| sensor != ipmi::sensor::sensors.end() && |
| getSensorEventTypeFromPath(path) != |
| static_cast<uint8_t>(SensorEventTypeCodes::threshold)) |
| { |
| enabled = static_cast<uint8_t>( |
| IPMISensorEventEnableByte2::sensorScanningEnable); |
| uint16_t assertionEnabled = 0; |
| for (auto& offsetValMap : sensor->second.propertyInterfaces.begin() |
| ->second.begin() |
| ->second.second) |
| { |
| assertionEnabled |= (1 << offsetValMap.first); |
| } |
| assertionEnabledLsb = static_cast<uint8_t>((assertionEnabled & 0xFF)); |
| assertionEnabledMsb = |
| static_cast<uint8_t>(((assertionEnabled >> 8) & 0xFF)); |
| |
| return ipmi::responseSuccess(enabled, assertionEnabledLsb, |
| assertionEnabledMsb, deassertionEnabledLsb, |
| deassertionEnabledMsb); |
| } |
| #endif |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| auto warningInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| auto criticalInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| if ((warningInterface != sensorMap.end()) || |
| (criticalInterface != sensorMap.end())) |
| { |
| enabled = static_cast<uint8_t>( |
| IPMISensorEventEnableByte2::sensorScanningEnable); |
| if (warningInterface != sensorMap.end()) |
| { |
| auto& warningMap = warningInterface->second; |
| |
| auto warningHigh = warningMap.find("WarningHigh"); |
| auto warningLow = warningMap.find("WarningLow"); |
| if (warningHigh != warningMap.end()) |
| { |
| assertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperNonCriticalGoingHigh); |
| deassertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperNonCriticalGoingLow); |
| } |
| if (warningLow != warningMap.end()) |
| { |
| assertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerNonCriticalGoingLow); |
| deassertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerNonCriticalGoingHigh); |
| } |
| } |
| if (criticalInterface != sensorMap.end()) |
| { |
| auto& criticalMap = criticalInterface->second; |
| |
| auto criticalHigh = criticalMap.find("CriticalHigh"); |
| auto criticalLow = criticalMap.find("CriticalLow"); |
| |
| if (criticalHigh != criticalMap.end()) |
| { |
| assertionEnabledMsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperCriticalGoingHigh); |
| deassertionEnabledMsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperCriticalGoingLow); |
| } |
| if (criticalLow != criticalMap.end()) |
| { |
| assertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerCriticalGoingLow); |
| deassertionEnabledLsb |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerCriticalGoingHigh); |
| } |
| } |
| } |
| |
| return ipmi::responseSuccess(enabled, assertionEnabledLsb, |
| assertionEnabledMsb, deassertionEnabledLsb, |
| deassertionEnabledMsb); |
| } |
| |
| /** @brief implements the get Sensor event status command |
| * @param sensorNumber - sensor number, FFh = reserved |
| * |
| * @returns IPMI completion code plus response data |
| * - sensorEventStatus - Sensor Event messages state |
| * - assertions - Assertion event messages |
| * - deassertions - Deassertion event messages |
| */ |
| ipmi::RspType<uint8_t, // sensorEventStatus |
| std::bitset<16>, // assertions |
| std::bitset<16> // deassertion |
| > |
| ipmiSenGetSensorEventStatus(ipmi::Context::ptr ctx, uint8_t sensorNum) |
| { |
| if (sensorNum == reservedSensorNumber) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| std::string connection; |
| std::string path; |
| auto status = getSensorConnection(ctx, sensorNum, connection, path); |
| if (status) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiSenGetSensorEventStatus: Sensor connection Error", |
| phosphor::logging::entry("SENSOR=%d", sensorNum)); |
| return ipmi::response(status); |
| } |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| if (auto sensor = findStaticSensor(path); |
| sensor != ipmi::sensor::sensors.end() && |
| getSensorEventTypeFromPath(path) != |
| static_cast<uint8_t>(SensorEventTypeCodes::threshold)) |
| { |
| auto response = ipmi::sensor::get::mapDbusToAssertion( |
| sensor->second, path, sensor->second.sensorInterface); |
| std::bitset<16> assertions; |
| // deassertions are not used. |
| std::bitset<16> deassertions = 0; |
| uint8_t sensorEventStatus; |
| if (response.readingOrStateUnavailable) |
| { |
| sensorEventStatus |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::readingStateUnavailable); |
| } |
| if (response.scanningEnabled) |
| { |
| sensorEventStatus |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::sensorScanningEnable); |
| } |
| if (response.allEventMessagesEnabled) |
| { |
| sensorEventStatus |= static_cast<uint8_t>( |
| IPMISensorReadingByte2::eventMessagesEnable); |
| } |
| assertions |= response.discreteReadingSensorStates << 8; |
| assertions |= response.thresholdLevelsStates; |
| return ipmi::responseSuccess(sensorEventStatus, assertions, |
| deassertions); |
| } |
| #endif |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, connection, path, sensorMap)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiSenGetSensorEventStatus: Sensor Mapping Error", |
| phosphor::logging::entry("SENSOR=%s", path.c_str())); |
| return ipmi::responseResponseError(); |
| } |
| |
| uint8_t sensorEventStatus = |
| static_cast<uint8_t>(IPMISensorEventEnableByte2::sensorScanningEnable); |
| std::bitset<16> assertions = 0; |
| std::bitset<16> deassertions = 0; |
| |
| // handle VR typed sensor |
| auto vrInterface = sensorMap.find(sensor::vrInterface); |
| if (vrInterface != sensorMap.end()) |
| { |
| if (!sensor::getVrEventStatus(ctx, connection, path, |
| vrInterface->second, assertions)) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| // both Event Message and Sensor Scanning are disable for VR. |
| sensorEventStatus = 0; |
| return ipmi::responseSuccess(sensorEventStatus, assertions, |
| deassertions); |
| } |
| |
| auto warningInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Warning"); |
| auto criticalInterface = |
| sensorMap.find("xyz.openbmc_project.Sensor.Threshold.Critical"); |
| |
| std::optional<bool> criticalDeassertHigh = |
| thresholdDeassertMap[path]["CriticalAlarmHigh"]; |
| std::optional<bool> criticalDeassertLow = |
| thresholdDeassertMap[path]["CriticalAlarmLow"]; |
| std::optional<bool> warningDeassertHigh = |
| thresholdDeassertMap[path]["WarningAlarmHigh"]; |
| std::optional<bool> warningDeassertLow = |
| thresholdDeassertMap[path]["WarningAlarmLow"]; |
| |
| if (criticalDeassertHigh && !*criticalDeassertHigh) |
| { |
| deassertions.set(static_cast<size_t>( |
| IPMIGetSensorEventEnableThresholds::upperCriticalGoingHigh)); |
| } |
| if (criticalDeassertLow && !*criticalDeassertLow) |
| { |
| deassertions.set(static_cast<size_t>( |
| IPMIGetSensorEventEnableThresholds::upperCriticalGoingLow)); |
| } |
| if (warningDeassertHigh && !*warningDeassertHigh) |
| { |
| deassertions.set(static_cast<size_t>( |
| IPMIGetSensorEventEnableThresholds::upperNonCriticalGoingHigh)); |
| } |
| if (warningDeassertLow && !*warningDeassertLow) |
| { |
| deassertions.set(static_cast<size_t>( |
| IPMIGetSensorEventEnableThresholds::lowerNonCriticalGoingHigh)); |
| } |
| if ((warningInterface != sensorMap.end()) || |
| (criticalInterface != sensorMap.end())) |
| { |
| sensorEventStatus = static_cast<size_t>( |
| IPMISensorEventEnableByte2::eventMessagesEnable); |
| if (warningInterface != sensorMap.end()) |
| { |
| auto& warningMap = warningInterface->second; |
| |
| auto warningHigh = warningMap.find("WarningAlarmHigh"); |
| auto warningLow = warningMap.find("WarningAlarmLow"); |
| auto warningHighAlarm = false; |
| auto warningLowAlarm = false; |
| |
| if (warningHigh != warningMap.end()) |
| { |
| warningHighAlarm = std::get<bool>(warningHigh->second); |
| } |
| if (warningLow != warningMap.end()) |
| { |
| warningLowAlarm = std::get<bool>(warningLow->second); |
| } |
| if (warningHighAlarm) |
| { |
| assertions.set( |
| static_cast<size_t>(IPMIGetSensorEventEnableThresholds:: |
| upperNonCriticalGoingHigh)); |
| } |
| if (warningLowAlarm) |
| { |
| assertions.set( |
| static_cast<size_t>(IPMIGetSensorEventEnableThresholds:: |
| lowerNonCriticalGoingLow)); |
| } |
| } |
| if (criticalInterface != sensorMap.end()) |
| { |
| auto& criticalMap = criticalInterface->second; |
| |
| auto criticalHigh = criticalMap.find("CriticalAlarmHigh"); |
| auto criticalLow = criticalMap.find("CriticalAlarmLow"); |
| auto criticalHighAlarm = false; |
| auto criticalLowAlarm = false; |
| |
| if (criticalHigh != criticalMap.end()) |
| { |
| criticalHighAlarm = std::get<bool>(criticalHigh->second); |
| } |
| if (criticalLow != criticalMap.end()) |
| { |
| criticalLowAlarm = std::get<bool>(criticalLow->second); |
| } |
| if (criticalHighAlarm) |
| { |
| assertions.set( |
| static_cast<size_t>(IPMIGetSensorEventEnableThresholds:: |
| upperCriticalGoingHigh)); |
| } |
| if (criticalLowAlarm) |
| { |
| assertions.set(static_cast<size_t>( |
| IPMIGetSensorEventEnableThresholds::lowerCriticalGoingLow)); |
| } |
| } |
| } |
| |
| return ipmi::responseSuccess(sensorEventStatus, assertions, deassertions); |
| } |
| |
| // Construct a type 1 SDR for threshold sensor. |
| void constructSensorSdrHeaderKey(uint16_t sensorNum, uint16_t recordID, |
| get_sdr::SensorDataFullRecord& record) |
| { |
| get_sdr::header::set_record_id( |
| recordID, reinterpret_cast<get_sdr::SensorDataRecordHeader*>(&record)); |
| |
| uint8_t sensornumber = static_cast<uint8_t>(sensorNum); |
| uint8_t lun = static_cast<uint8_t>(sensorNum >> 8); |
| |
| record.header.sdr_version = ipmiSdrVersion; |
| record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD; |
| record.header.record_length = sizeof(get_sdr::SensorDataFullRecord) - |
| sizeof(get_sdr::SensorDataRecordHeader); |
| record.key.owner_id = bmcI2CAddr; |
| record.key.owner_lun = lun; |
| record.key.sensor_number = sensornumber; |
| } |
| bool constructSensorSdr(ipmi::Context::ptr ctx, uint16_t sensorNum, |
| uint16_t recordID, const std::string& service, |
| const std::string& path, |
| get_sdr::SensorDataFullRecord& record) |
| { |
| uint8_t sensornumber = static_cast<uint8_t>(sensorNum); |
| constructSensorSdrHeaderKey(sensorNum, recordID, record); |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, service, path, sensorMap, sensorMapSdrUpdatePeriod)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to update sensor map for threshold sensor", |
| phosphor::logging::entry("SERVICE=%s", service.c_str()), |
| phosphor::logging::entry("PATH=%s", path.c_str())); |
| return false; |
| } |
| |
| record.body.sensor_capabilities = 0x68; // auto rearm - todo hysteresis |
| record.body.sensor_type = getSensorTypeFromPath(path); |
| std::string type = getSensorTypeStringFromPath(path); |
| auto typeCstr = type.c_str(); |
| auto findUnits = sensorUnits.find(typeCstr); |
| if (findUnits != sensorUnits.end()) |
| { |
| record.body.sensor_units_2_base = |
| static_cast<uint8_t>(findUnits->second); |
| } // else default 0x0 unspecified |
| |
| record.body.event_reading_type = getSensorEventTypeFromPath(path); |
| |
| auto sensorObject = sensorMap.find(sensor::sensorInterface); |
| if (sensorObject == sensorMap.end()) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: sensorObject error"); |
| return false; |
| } |
| |
| uint8_t entityId = 0; |
| uint8_t entityInstance = 0x01; |
| |
| // follow the association chain to get the parent board's entityid and |
| // entityInstance |
| updateIpmiFromAssociation(path, sensorMap, entityId, entityInstance); |
| |
| record.body.entity_id = entityId; |
| record.body.entity_instance = entityInstance; |
| |
| double max = 0; |
| double min = 0; |
| getSensorMaxMin(sensorMap, max, min); |
| |
| int16_t mValue = 0; |
| int8_t rExp = 0; |
| int16_t bValue = 0; |
| int8_t bExp = 0; |
| bool bSigned = false; |
| |
| if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: getSensorAttributes error"); |
| return false; |
| } |
| |
| // The record.body is a struct SensorDataFullRecordBody |
| // from sensorhandler.hpp in phosphor-ipmi-host. |
| // The meaning of these bits appears to come from |
| // table 43.1 of the IPMI spec. |
| // The above 5 sensor attributes are stuffed in as follows: |
| // Byte 21 = AA000000 = analog interpretation, 10 signed, 00 unsigned |
| // Byte 22-24 are for other purposes |
| // Byte 25 = MMMMMMMM = LSB of M |
| // Byte 26 = MMTTTTTT = MSB of M (signed), and Tolerance |
| // Byte 27 = BBBBBBBB = LSB of B |
| // Byte 28 = BBAAAAAA = MSB of B (signed), and LSB of Accuracy |
| // Byte 29 = AAAAEE00 = MSB of Accuracy, exponent of Accuracy |
| // Byte 30 = RRRRBBBB = rExp (signed), bExp (signed) |
| |
| // apply M, B, and exponents, M and B are 10 bit values, exponents are 4 |
| record.body.m_lsb = mValue & 0xFF; |
| |
| uint8_t mBitSign = (mValue < 0) ? 1 : 0; |
| uint8_t mBitNine = (mValue & 0x0100) >> 8; |
| |
| // move the smallest bit of the MSB into place (bit 9) |
| // the MSbs are bits 7:8 in m_msb_and_tolerance |
| record.body.m_msb_and_tolerance = (mBitSign << 7) | (mBitNine << 6); |
| |
| record.body.b_lsb = bValue & 0xFF; |
| |
| uint8_t bBitSign = (bValue < 0) ? 1 : 0; |
| uint8_t bBitNine = (bValue & 0x0100) >> 8; |
| |
| // move the smallest bit of the MSB into place (bit 9) |
| // the MSbs are bits 7:8 in b_msb_and_accuracy_lsb |
| record.body.b_msb_and_accuracy_lsb = (bBitSign << 7) | (bBitNine << 6); |
| |
| uint8_t rExpSign = (rExp < 0) ? 1 : 0; |
| uint8_t rExpBits = rExp & 0x07; |
| |
| uint8_t bExpSign = (bExp < 0) ? 1 : 0; |
| uint8_t bExpBits = bExp & 0x07; |
| |
| // move rExp and bExp into place |
| record.body.r_b_exponents = |
| (rExpSign << 7) | (rExpBits << 4) | (bExpSign << 3) | bExpBits; |
| |
| // Set the analog reading byte interpretation accordingly |
| record.body.sensor_units_1 = (bSigned ? 1 : 0) << 7; |
| |
| // TODO(): Perhaps care about Tolerance, Accuracy, and so on |
| // These seem redundant, but derivable from the above 5 attributes |
| // Original comment said "todo fill out rest of units" |
| |
| // populate sensor name from path |
| auto name = sensor::parseSdrIdFromPath(path); |
| record.body.id_string_info = name.size(); |
| std::strncpy(record.body.id_string, name.c_str(), |
| sizeof(record.body.id_string)); |
| |
| // Remember the sensor name, as determined for this sensor number |
| details::sdrStatsTable.updateName(sensornumber, name); |
| |
| bool sensorSettable = false; |
| auto mutability = |
| sensorMap.find("xyz.openbmc_project.Sensor.ValueMutability"); |
| if (mutability != sensorMap.end()) |
| { |
| sensorSettable = |
| mappedVariant<bool>(mutability->second, "Mutable", false); |
| } |
| get_sdr::body::init_settable_state(sensorSettable, &record.body); |
| |
| // Grant write permission to sensors deemed externally settable |
| details::sdrWriteTable.setWritePermission(sensornumber, sensorSettable); |
| |
| IPMIThresholds thresholdData; |
| try |
| { |
| thresholdData = getIPMIThresholds(sensorMap); |
| } |
| catch (const std::exception&) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: getIPMIThresholds error"); |
| return false; |
| } |
| |
| if (thresholdData.criticalHigh) |
| { |
| record.body.upper_critical_threshold = *thresholdData.criticalHigh; |
| record.body.supported_deassertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::criticalThreshold); |
| record.body.supported_deassertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperCriticalGoingHigh); |
| record.body.supported_assertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperCriticalGoingHigh); |
| record.body.discrete_reading_setting_mask[0] |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::upperCritical); |
| } |
| if (thresholdData.warningHigh) |
| { |
| record.body.upper_noncritical_threshold = *thresholdData.warningHigh; |
| record.body.supported_deassertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::nonCriticalThreshold); |
| record.body.supported_deassertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperNonCriticalGoingHigh); |
| record.body.supported_assertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::upperNonCriticalGoingHigh); |
| record.body.discrete_reading_setting_mask[0] |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::upperNonCritical); |
| } |
| if (thresholdData.criticalLow) |
| { |
| record.body.lower_critical_threshold = *thresholdData.criticalLow; |
| record.body.supported_assertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::criticalThreshold); |
| record.body.supported_deassertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerCriticalGoingLow); |
| record.body.supported_assertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerCriticalGoingLow); |
| record.body.discrete_reading_setting_mask[0] |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::lowerCritical); |
| } |
| if (thresholdData.warningLow) |
| { |
| record.body.lower_noncritical_threshold = *thresholdData.warningLow; |
| record.body.supported_assertions[1] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::nonCriticalThreshold); |
| record.body.supported_deassertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerNonCriticalGoingLow); |
| record.body.supported_assertions[0] |= static_cast<uint8_t>( |
| IPMISensorEventEnableThresholds::lowerNonCriticalGoingLow); |
| record.body.discrete_reading_setting_mask[0] |= |
| static_cast<uint8_t>(IPMISensorReadingByte3::lowerNonCritical); |
| } |
| |
| // everything that is readable is setable |
| record.body.discrete_reading_setting_mask[1] = |
| record.body.discrete_reading_setting_mask[0]; |
| return true; |
| } |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| // Construct a type 1 SDR for discrete Sensor typed sensor. |
| void constructStaticSensorSdr(ipmi::Context::ptr ctx, uint16_t sensorNum, |
| uint16_t recordID, |
| ipmi::sensor::IdInfoMap::const_iterator sensor, |
| get_sdr::SensorDataFullRecord& record) |
| { |
| constructSensorSdrHeaderKey(sensorNum, recordID, record); |
| |
| record.body.entity_id = sensor->second.entityType; |
| record.body.sensor_type = sensor->second.sensorType; |
| record.body.event_reading_type = sensor->second.sensorReadingType; |
| record.body.entity_instance = sensor->second.instance; |
| if (ipmi::sensor::Mutability::Write == |
| (sensor->second.mutability & ipmi::sensor::Mutability::Write)) |
| { |
| get_sdr::body::init_settable_state(true, &(record.body)); |
| } |
| |
| auto id_string = sensor->second.sensorName; |
| |
| if (id_string.empty()) |
| { |
| id_string = sensor->second.sensorNameFunc(sensor->second); |
| } |
| |
| if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH) |
| { |
| get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, |
| &(record.body)); |
| } |
| else |
| { |
| get_sdr::body::set_id_strlen(id_string.length(), &(record.body)); |
| } |
| std::strncpy(record.body.id_string, id_string.c_str(), |
| get_sdr::body::get_id_strlen(&(record.body))); |
| } |
| #endif |
| |
| // Construct type 3 SDR header and key (for VR and other discrete sensors) |
| void constructEventSdrHeaderKey(uint16_t sensorNum, uint16_t recordID, |
| get_sdr::SensorDataEventRecord& record) |
| { |
| uint8_t sensornumber = static_cast<uint8_t>(sensorNum); |
| uint8_t lun = static_cast<uint8_t>(sensorNum >> 8); |
| |
| get_sdr::header::set_record_id( |
| recordID, reinterpret_cast<get_sdr::SensorDataRecordHeader*>(&record)); |
| |
| record.header.sdr_version = ipmiSdrVersion; |
| record.header.record_type = get_sdr::SENSOR_DATA_EVENT_RECORD; |
| record.header.record_length = sizeof(get_sdr::SensorDataEventRecord) - |
| sizeof(get_sdr::SensorDataRecordHeader); |
| record.key.owner_id = bmcI2CAddr; |
| record.key.owner_lun = lun; |
| record.key.sensor_number = sensornumber; |
| |
| record.body.entity_id = 0x00; |
| record.body.entity_instance = 0x01; |
| } |
| |
| // Construct a type 3 SDR for VR typed sensor(daemon). |
| bool constructVrSdr(ipmi::Context::ptr ctx, uint16_t sensorNum, |
| uint16_t recordID, const std::string& service, |
| const std::string& path, |
| get_sdr::SensorDataEventRecord& record) |
| { |
| uint8_t sensornumber = static_cast<uint8_t>(sensorNum); |
| constructEventSdrHeaderKey(sensorNum, recordID, record); |
| |
| DbusInterfaceMap sensorMap; |
| if (!getSensorMap(ctx, service, path, sensorMap, sensorMapSdrUpdatePeriod)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to update sensor map for VR sensor", |
| phosphor::logging::entry("SERVICE=%s", service.c_str()), |
| phosphor::logging::entry("PATH=%s", path.c_str())); |
| return false; |
| } |
| // follow the association chain to get the parent board's entityid and |
| // entityInstance |
| updateIpmiFromAssociation(path, sensorMap, record.body.entity_id, |
| record.body.entity_instance); |
| |
| // Sensor type is hardcoded as a module/board type instead of parsing from |
| // sensor path. This is because VR control is allocated in an independent |
| // path(/xyz/openbmc_project/vr/profile/...) which is not categorized by |
| // types. |
| static constexpr const uint8_t module_board_type = 0x15; |
| record.body.sensor_type = module_board_type; |
| record.body.event_reading_type = 0x00; |
| |
| record.body.sensor_record_sharing_1 = 0x00; |
| record.body.sensor_record_sharing_2 = 0x00; |
| |
| // populate sensor name from path |
| auto name = sensor::parseSdrIdFromPath(path); |
| int nameSize = std::min(name.size(), sizeof(record.body.id_string)); |
| record.body.id_string_info = nameSize; |
| std::memset(record.body.id_string, 0x00, sizeof(record.body.id_string)); |
| std::memcpy(record.body.id_string, name.c_str(), nameSize); |
| |
| // Remember the sensor name, as determined for this sensor number |
| details::sdrStatsTable.updateName(sensornumber, name); |
| |
| return true; |
| } |
| |
| static inline uint16_t getNumberOfSensors() |
| { |
| return std::min(getSensorTree().size(), maxIPMISensors); |
| } |
| |
| static int |
| getSensorDataRecord(ipmi::Context::ptr ctx, |
| std::vector<uint8_t>& recordData, uint16_t recordID, |
| uint8_t readBytes = std::numeric_limits<uint8_t>::max()) |
| { |
| size_t fruCount = 0; |
| ipmi::Cc ret = ipmi::storage::getFruSdrCount(ctx, fruCount); |
| if (ret != ipmi::ccSuccess) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: getFruSdrCount error"); |
| return GENERAL_ERROR; |
| } |
| |
| size_t lastRecord = |
| getNumberOfSensors() + fruCount + ipmi::storage::type12Count - 1; |
| if (recordID == lastRecordIndex) |
| { |
| recordID = lastRecord; |
| } |
| if (recordID > lastRecord) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: recordID > lastRecord error"); |
| return GENERAL_ERROR; |
| } |
| |
| if (recordID >= getNumberOfSensors()) |
| { |
| size_t fruIndex = recordID - getNumberOfSensors(); |
| |
| if (fruIndex >= fruCount) |
| { |
| // handle type 12 hardcoded records |
| size_t type12Index = fruIndex - fruCount; |
| if (type12Index >= ipmi::storage::type12Count) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: type12Index error"); |
| return GENERAL_ERROR; |
| } |
| recordData = ipmi::storage::getType12SDRs(type12Index, recordID); |
| } |
| else |
| { |
| // handle fru records |
| get_sdr::SensorDataFruRecord data; |
| ret = ipmi::storage::getFruSdrs(ctx, fruIndex, data); |
| if (ret != IPMI_CC_OK) |
| { |
| return GENERAL_ERROR; |
| } |
| data.header.record_id_msb = recordID >> 8; |
| data.header.record_id_lsb = recordID & 0xFF; |
| recordData.insert(recordData.end(), (uint8_t*)&data, |
| ((uint8_t*)&data) + sizeof(data)); |
| } |
| |
| return 0; |
| } |
| |
| // Perform a incremental scan of the SDR Record ID's and translate the |
| // first 765 SDR records (i.e. maxIPMISensors) into IPMI Sensor |
| // Numbers. The IPMI sensor numbers are not linear, and have a reserved |
| // gap at 0xff. This code creates 254 sensors per LUN, excepting LUN 2 |
| // which has special meaning. |
| std::string connection; |
| std::string path; |
| std::vector<std::string> interfaces; |
| uint16_t sensNumFromRecID{recordID}; |
| if ((recordID > lun0MaxSensorNum) && (recordID < lun1MaxSensorNum)) |
| { |
| // LUN 0 has one reserved sensor number. Compensate here by adding one |
| // to the record ID |
| sensNumFromRecID = recordID + 1; |
| ctx->lun = 1; |
| } |
| else if ((recordID >= lun1MaxSensorNum) && (recordID < maxIPMISensors)) |
| { |
| // LUN 0, 1 have a reserved sensor number. Compensate here by adding 2 |
| // to the record ID. Skip all 256 sensors in LUN 2, as it has special |
| // rules governing its use. |
| sensNumFromRecID = recordID + (maxSensorsPerLUN + 1) + 2; |
| ctx->lun = 3; |
| } |
| |
| auto status = |
| getSensorConnection(ctx, static_cast<uint8_t>(sensNumFromRecID), |
| connection, path, &interfaces); |
| if (status) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: getSensorConnection error"); |
| return GENERAL_ERROR; |
| } |
| uint16_t sensorNum = getSensorNumberFromPath(path); |
| // Return an error on LUN 2 assingments, and any sensor number beyond the |
| // range of LUN 3 |
| if (((sensorNum > lun1MaxSensorNum) && (sensorNum <= maxIPMISensors)) || |
| (sensorNum > lun3MaxSensorNum)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: invalidSensorNumber"); |
| return GENERAL_ERROR; |
| } |
| uint8_t sensornumber = static_cast<uint8_t>(sensorNum); |
| uint8_t lun = static_cast<uint8_t>(sensorNum >> 8); |
| |
| if ((sensornumber != static_cast<uint8_t>(sensNumFromRecID)) && |
| (lun != ctx->lun)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "getSensorDataRecord: sensor record mismatch"); |
| return GENERAL_ERROR; |
| } |
| |
| // Construct full record (SDR type 1) for the threshold sensors |
| if (std::find(interfaces.begin(), interfaces.end(), |
| sensor::sensorInterface) != interfaces.end()) |
| { |
| get_sdr::SensorDataFullRecord record = {0}; |
| |
| // If the request doesn't read SDR body, construct only header and key |
| // part to avoid additional DBus transaction. |
| if (readBytes <= sizeof(record.header) + sizeof(record.key)) |
| { |
| constructSensorSdrHeaderKey(sensorNum, recordID, record); |
| } |
| else if (!constructSensorSdr(ctx, sensorNum, recordID, connection, path, |
| record)) |
| { |
| return GENERAL_ERROR; |
| } |
| |
| recordData.insert(recordData.end(), (uint8_t*)&record, |
| ((uint8_t*)&record) + sizeof(record)); |
| |
| return 0; |
| } |
| |
| #ifdef FEATURE_HYBRID_SENSORS |
| if (auto sensor = findStaticSensor(path); |
| sensor != ipmi::sensor::sensors.end() && |
| getSensorEventTypeFromPath(path) != |
| static_cast<uint8_t>(SensorEventTypeCodes::threshold)) |
| { |
| get_sdr::SensorDataFullRecord record = {0}; |
| |
| // If the request doesn't read SDR body, construct only header and key |
| // part to avoid additional DBus transaction. |
| if (readBytes <= sizeof(record.header) + sizeof(record.key)) |
| { |
| constructSensorSdrHeaderKey(sensorNum, recordID, record); |
| } |
| else |
| { |
| constructStaticSensorSdr(ctx, sensorNum, recordID, sensor, record); |
| } |
| |
| recordData.insert(recordData.end(), (uint8_t*)&record, |
| ((uint8_t*)&record) + sizeof(record)); |
| |
| return 0; |
| } |
| #endif |
| |
| // Contruct SDR type 3 record for VR sensor (daemon) |
| if (std::find(interfaces.begin(), interfaces.end(), sensor::vrInterface) != |
| interfaces.end()) |
| { |
| get_sdr::SensorDataEventRecord record = {0}; |
| |
| // If the request doesn't read SDR body, construct only header and key |
| // part to avoid additional DBus transaction. |
| if (readBytes <= sizeof(record.header) + sizeof(record.key)) |
| { |
| constructEventSdrHeaderKey(sensorNum, recordID, record); |
| } |
| else if (!constructVrSdr(ctx, sensorNum, recordID, connection, path, |
| record)) |
| { |
| return GENERAL_ERROR; |
| } |
| recordData.insert(recordData.end(), (uint8_t*)&record, |
| ((uint8_t*)&record) + sizeof(record)); |
| } |
| |
| return 0; |
| } |
| |
| /** @brief implements the get SDR Info command |
| * @param count - Operation |
| * |
| * @returns IPMI completion code plus response data |
| * - sdrCount - sensor/SDR count |
| * - lunsAndDynamicPopulation - static/Dynamic sensor population flag |
| */ |
| static ipmi::RspType<uint8_t, // respcount |
| uint8_t, // dynamic population flags |
| uint32_t // last time a sensor was added |
| > |
| ipmiSensorGetDeviceSdrInfo(ipmi::Context::ptr ctx, |
| std::optional<uint8_t> count) |
| { |
| auto& sensorTree = getSensorTree(); |
| uint8_t sdrCount = 0; |
| uint16_t recordID = 0; |
| std::vector<uint8_t> record; |
| // Sensors are dynamically allocated, and there is at least one LUN |
| uint8_t lunsAndDynamicPopulation = 0x80; |
| constexpr uint8_t getSdrCount = 0x01; |
| constexpr uint8_t getSensorCount = 0x00; |
| |
| if (!getSensorSubtree(sensorTree) || sensorTree.empty()) |
| { |
| return ipmi::responseResponseError(); |
| } |
| uint16_t numSensors = getNumberOfSensors(); |
| if (count.value_or(0) == getSdrCount) |
| { |
| // Count the number of Type 1 SDR entries assigned to the LUN |
| while (!getSensorDataRecord(ctx, record, recordID++)) |
| { |
| get_sdr::SensorDataRecordHeader* hdr = |
| reinterpret_cast<get_sdr::SensorDataRecordHeader*>( |
| record.data()); |
| if (hdr && hdr->record_type == get_sdr::SENSOR_DATA_FULL_RECORD) |
| { |
| get_sdr::SensorDataFullRecord* recordData = |
| reinterpret_cast<get_sdr::SensorDataFullRecord*>( |
| record.data()); |
| if (ctx->lun == recordData->key.owner_lun) |
| { |
| sdrCount++; |
| } |
| } |
| } |
| } |
| else if (count.value_or(0) == getSensorCount) |
| { |
| // Return the number of sensors attached to the LUN |
| if ((ctx->lun == 0) && (numSensors > 0)) |
| { |
| sdrCount = |
| (numSensors > maxSensorsPerLUN) ? maxSensorsPerLUN : numSensors; |
| } |
| else if ((ctx->lun == 1) && (numSensors > maxSensorsPerLUN)) |
| { |
| sdrCount = (numSensors > (2 * maxSensorsPerLUN)) |
| ? maxSensorsPerLUN |
| : (numSensors - maxSensorsPerLUN) & maxSensorsPerLUN; |
| } |
| else if (ctx->lun == 3) |
| { |
| if (numSensors <= maxIPMISensors) |
| { |
| sdrCount = |
| (numSensors - (2 * maxSensorsPerLUN)) & maxSensorsPerLUN; |
| } |
| else |
| { |
| // error |
| throw std::out_of_range( |
| "Maximum number of IPMI sensors exceeded."); |
| } |
| } |
| } |
| else |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| // Get Sensor count. This returns the number of sensors |
| if (numSensors > 0) |
| { |
| lunsAndDynamicPopulation |= 1; |
| } |
| if (numSensors > maxSensorsPerLUN) |
| { |
| lunsAndDynamicPopulation |= 2; |
| } |
| if (numSensors >= (maxSensorsPerLUN * 2)) |
| { |
| lunsAndDynamicPopulation |= 8; |
| } |
| if (numSensors > maxIPMISensors) |
| { |
| // error |
| throw std::out_of_range("Maximum number of IPMI sensors exceeded."); |
| } |
| |
| return ipmi::responseSuccess(sdrCount, lunsAndDynamicPopulation, |
| sdrLastAdd); |
| } |
| |
| /* end sensor commands */ |
| |
| /* storage commands */ |
| |
| ipmi::RspType<uint8_t, // sdr version |
| uint16_t, // record count |
| uint16_t, // free space |
| uint32_t, // most recent addition |
| uint32_t, // most recent erase |
| uint8_t // operationSupport |
| > |
| ipmiStorageGetSDRRepositoryInfo(ipmi::Context::ptr ctx) |
| { |
| auto& sensorTree = getSensorTree(); |
| constexpr const uint16_t unspecifiedFreeSpace = 0xFFFF; |
| if (!getSensorSubtree(sensorTree) && sensorTree.empty()) |
| { |
| return ipmi::responseResponseError(); |
| } |
| |
| size_t fruCount = 0; |
| ipmi::Cc ret = ipmi::storage::getFruSdrCount(ctx, fruCount); |
| if (ret != ipmi::ccSuccess) |
| { |
| return ipmi::response(ret); |
| } |
| |
| uint16_t recordCount = |
| getNumberOfSensors() + fruCount + ipmi::storage::type12Count; |
| |
| uint8_t operationSupport = static_cast<uint8_t>( |
| SdrRepositoryInfoOps::overflow); // write not supported |
| |
| operationSupport |= |
| static_cast<uint8_t>(SdrRepositoryInfoOps::allocCommandSupported); |
| operationSupport |= static_cast<uint8_t>( |
| SdrRepositoryInfoOps::reserveSDRRepositoryCommandSupported); |
| return ipmi::responseSuccess(ipmiSdrVersion, recordCount, |
| unspecifiedFreeSpace, sdrLastAdd, |
| sdrLastRemove, operationSupport); |
| } |
| |
| /** @brief implements the get SDR allocation info command |
| * |
| * @returns IPMI completion code plus response data |
| * - allocUnits - Number of possible allocation units |
| * - allocUnitSize - Allocation unit size in bytes. |
| * - allocUnitFree - Number of free allocation units |
| * - allocUnitLargestFree - Largest free block in allocation units |
| * - maxRecordSize - Maximum record size in allocation units. |
| */ |
| ipmi::RspType<uint16_t, // allocUnits |
| uint16_t, // allocUnitSize |
| uint16_t, // allocUnitFree |
| uint16_t, // allocUnitLargestFree |
| uint8_t // maxRecordSize |
| > |
| ipmiStorageGetSDRAllocationInfo() |
| { |
| // 0000h unspecified number of alloc units |
| constexpr uint16_t allocUnits = 0; |
| |
| constexpr uint16_t allocUnitFree = 0; |
| constexpr uint16_t allocUnitLargestFree = 0; |
| // only allow one block at a time |
| constexpr uint8_t maxRecordSize = 1; |
| |
| return ipmi::responseSuccess(allocUnits, maxSDRTotalSize, allocUnitFree, |
| allocUnitLargestFree, maxRecordSize); |
| } |
| |
| /** @brief implements the reserve SDR command |
| * @returns IPMI completion code plus response data |
| * - sdrReservationID |
| */ |
| ipmi::RspType<uint16_t> ipmiStorageReserveSDR() |
| { |
| sdrReservationID++; |
| if (sdrReservationID == 0) |
| { |
| sdrReservationID++; |
| } |
| |
| return ipmi::responseSuccess(sdrReservationID); |
| } |
| |
| ipmi::RspType<uint16_t, // next record ID |
| std::vector<uint8_t> // payload |
| > |
| ipmiStorageGetSDR(ipmi::Context::ptr ctx, uint16_t reservationID, |
| uint16_t recordID, uint8_t offset, uint8_t bytesToRead) |
| { |
| size_t fruCount = 0; |
| // reservation required for partial reads with non zero offset into |
| // record |
| if ((sdrReservationID == 0 || reservationID != sdrReservationID) && offset) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: responseInvalidReservationId"); |
| return ipmi::responseInvalidReservationId(); |
| } |
| ipmi::Cc ret = ipmi::storage::getFruSdrCount(ctx, fruCount); |
| if (ret != ipmi::ccSuccess) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: getFruSdrCount error"); |
| return ipmi::response(ret); |
| } |
| |
| auto& sensorTree = getSensorTree(); |
| size_t lastRecord = |
| getNumberOfSensors() + fruCount + ipmi::storage::type12Count - 1; |
| uint16_t nextRecordId = lastRecord > recordID ? recordID + 1 : 0XFFFF; |
| |
| if (!getSensorSubtree(sensorTree) && sensorTree.empty()) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: getSensorSubtree error"); |
| return ipmi::responseResponseError(); |
| } |
| |
| std::vector<uint8_t> record; |
| if (getSensorDataRecord(ctx, record, recordID, offset + bytesToRead)) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: fail to get SDR"); |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| get_sdr::SensorDataRecordHeader* hdr = |
| reinterpret_cast<get_sdr::SensorDataRecordHeader*>(record.data()); |
| if (!hdr) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: record header is null"); |
| return ipmi::responseSuccess(nextRecordId, record); |
| } |
| |
| size_t sdrLength = |
| sizeof(get_sdr::SensorDataRecordHeader) + hdr->record_length; |
| if (sdrLength < (offset + bytesToRead)) |
| { |
| bytesToRead = sdrLength - offset; |
| } |
| |
| uint8_t* respStart = reinterpret_cast<uint8_t*>(hdr) + offset; |
| if (!respStart) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "ipmiStorageGetSDR: record is null"); |
| return ipmi::responseSuccess(nextRecordId, record); |
| } |
| |
| std::vector<uint8_t> recordData(respStart, respStart + bytesToRead); |
| |
| return ipmi::responseSuccess(nextRecordId, recordData); |
| } |
| /* end storage commands */ |
| |
| void registerSensorFunctions() |
| { |
| // <Platform Event> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdPlatformEvent, |
| ipmi::Privilege::Operator, ipmiSenPlatformEvent); |
| |
| // <Set Sensor Reading and Event Status> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdSetSensorReadingAndEvtSts, |
| ipmi::Privilege::Operator, ipmiSetSensorReading); |
| |
| // <Get Sensor Reading> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetSensorReading, |
| ipmi::Privilege::User, ipmiSenGetSensorReading); |
| |
| // <Get Sensor Threshold> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetSensorThreshold, |
| ipmi::Privilege::User, ipmiSenGetSensorThresholds); |
| |
| // <Set Sensor Threshold> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdSetSensorThreshold, |
| ipmi::Privilege::Operator, |
| ipmiSenSetSensorThresholds); |
| |
| // <Get Sensor Event Enable> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetSensorEventEnable, |
| ipmi::Privilege::User, ipmiSenGetSensorEventEnable); |
| |
| // <Get Sensor Event Status> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetSensorEventStatus, |
| ipmi::Privilege::User, ipmiSenGetSensorEventStatus); |
| |
| // register all storage commands for both Sensor and Storage command |
| // versions |
| |
| // <Get SDR Repository Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSdrRepositoryInfo, |
| ipmi::Privilege::User, |
| ipmiStorageGetSDRRepositoryInfo); |
| |
| // <Get Device SDR Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetDeviceSdrInfo, |
| ipmi::Privilege::User, ipmiSensorGetDeviceSdrInfo); |
| |
| // <Get SDR Allocation Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSdrRepositoryAllocInfo, |
| ipmi::Privilege::User, |
| ipmiStorageGetSDRAllocationInfo); |
| |
| // <Reserve SDR Repo> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdReserveDeviceSdrRepository, |
| ipmi::Privilege::User, ipmiStorageReserveSDR); |
| |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdReserveSdrRepository, |
| ipmi::Privilege::User, ipmiStorageReserveSDR); |
| |
| // <Get Sdr> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor, |
| ipmi::sensor_event::cmdGetDeviceSdr, |
| ipmi::Privilege::User, ipmiStorageGetSDR); |
| |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSdr, ipmi::Privilege::User, |
| ipmiStorageGetSDR); |
| } |
| } // namespace ipmi |