| /* |
| // Copyright (c) 2017-2019 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/storagecommands.hpp" |
| |
| #include "dbus-sdr/sdrutils.hpp" |
| #include "selutility.hpp" |
| |
| #include <boost/algorithm/string.hpp> |
| #include <boost/container/flat_map.hpp> |
| #include <boost/process.hpp> |
| #include <filesystem> |
| #include <functional> |
| #include <iostream> |
| #include <ipmid/api.hpp> |
| #include <ipmid/message.hpp> |
| #include <ipmid/types.hpp> |
| #include <phosphor-logging/log.hpp> |
| #include <sdbusplus/message/types.hpp> |
| #include <sdbusplus/timer.hpp> |
| #include <stdexcept> |
| #include <string_view> |
| |
| static constexpr bool DEBUG = false; |
| |
| namespace dynamic_sensors::ipmi::sel |
| { |
| static const std::filesystem::path selLogDir = "/var/log"; |
| static const std::string selLogFilename = "ipmi_sel"; |
| |
| static int getFileTimestamp(const std::filesystem::path& file) |
| { |
| struct stat st; |
| |
| if (stat(file.c_str(), &st) >= 0) |
| { |
| return st.st_mtime; |
| } |
| return ::ipmi::sel::invalidTimeStamp; |
| } |
| |
| namespace erase_time |
| { |
| static constexpr const char* selEraseTimestamp = "/var/lib/ipmi/sel_erase_time"; |
| |
| void save() |
| { |
| // open the file, creating it if necessary |
| int fd = open(selEraseTimestamp, O_WRONLY | O_CREAT | O_CLOEXEC, 0644); |
| if (fd < 0) |
| { |
| std::cerr << "Failed to open file\n"; |
| return; |
| } |
| |
| // update the file timestamp to the current time |
| if (futimens(fd, NULL) < 0) |
| { |
| std::cerr << "Failed to update timestamp: " |
| << std::string(strerror(errno)); |
| } |
| close(fd); |
| } |
| |
| int get() |
| { |
| return getFileTimestamp(selEraseTimestamp); |
| } |
| } // namespace erase_time |
| } // namespace dynamic_sensors::ipmi::sel |
| |
| namespace ipmi |
| { |
| |
| namespace storage |
| { |
| |
| constexpr static const size_t maxMessageSize = 64; |
| constexpr static const size_t maxFruSdrNameSize = 16; |
| using ObjectType = |
| boost::container::flat_map<std::string, |
| boost::container::flat_map<std::string, Value>>; |
| using ManagedObjectType = |
| boost::container::flat_map<sdbusplus::message::object_path, ObjectType>; |
| using ManagedEntry = std::pair<sdbusplus::message::object_path, ObjectType>; |
| |
| constexpr static const char* fruDeviceServiceName = |
| "xyz.openbmc_project.FruDevice"; |
| constexpr static const char* entityManagerServiceName = |
| "xyz.openbmc_project.EntityManager"; |
| constexpr static const size_t writeTimeoutSeconds = 10; |
| constexpr static const char* chassisTypeRackMount = "23"; |
| constexpr static const char* chassisTypeMainServer = "17"; |
| |
| // event direction is bit[7] of eventType where 1b = Deassertion event |
| constexpr static const uint8_t deassertionEvent = 0x80; |
| |
| static std::vector<uint8_t> fruCache; |
| static uint8_t cacheBus = 0xFF; |
| static uint8_t cacheAddr = 0XFF; |
| static uint8_t lastDevId = 0xFF; |
| |
| static uint8_t writeBus = 0xFF; |
| static uint8_t writeAddr = 0XFF; |
| |
| std::unique_ptr<phosphor::Timer> writeTimer = nullptr; |
| static std::vector<sdbusplus::bus::match::match> fruMatches; |
| |
| ManagedObjectType frus; |
| |
| // we unfortunately have to build a map of hashes in case there is a |
| // collision to verify our dev-id |
| boost::container::flat_map<uint8_t, std::pair<uint8_t, uint8_t>> deviceHashes; |
| |
| void registerStorageFunctions() __attribute__((constructor)); |
| |
| bool writeFru() |
| { |
| if (writeBus == 0xFF && writeAddr == 0xFF) |
| { |
| return true; |
| } |
| std::shared_ptr<sdbusplus::asio::connection> dbus = getSdBus(); |
| sdbusplus::message::message writeFru = dbus->new_method_call( |
| fruDeviceServiceName, "/xyz/openbmc_project/FruDevice", |
| "xyz.openbmc_project.FruDeviceManager", "WriteFru"); |
| writeFru.append(writeBus, writeAddr, fruCache); |
| try |
| { |
| sdbusplus::message::message writeFruResp = dbus->call(writeFru); |
| } |
| catch (const sdbusplus::exception_t&) |
| { |
| // todo: log sel? |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "error writing fru"); |
| return false; |
| } |
| writeBus = 0xFF; |
| writeAddr = 0xFF; |
| return true; |
| } |
| |
| void createTimers() |
| { |
| writeTimer = std::make_unique<phosphor::Timer>(writeFru); |
| } |
| |
| void recalculateHashes() |
| { |
| |
| deviceHashes.clear(); |
| // hash the object paths to create unique device id's. increment on |
| // collision |
| std::hash<std::string> hasher; |
| for (const auto& fru : frus) |
| { |
| auto fruIface = fru.second.find("xyz.openbmc_project.FruDevice"); |
| if (fruIface == fru.second.end()) |
| { |
| continue; |
| } |
| |
| auto busFind = fruIface->second.find("BUS"); |
| auto addrFind = fruIface->second.find("ADDRESS"); |
| if (busFind == fruIface->second.end() || |
| addrFind == fruIface->second.end()) |
| { |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "fru device missing Bus or Address", |
| phosphor::logging::entry("FRU=%s", fru.first.str.c_str())); |
| continue; |
| } |
| |
| uint8_t fruBus = std::get<uint32_t>(busFind->second); |
| uint8_t fruAddr = std::get<uint32_t>(addrFind->second); |
| auto chassisFind = fruIface->second.find("CHASSIS_TYPE"); |
| std::string chassisType; |
| if (chassisFind != fruIface->second.end()) |
| { |
| chassisType = std::get<std::string>(chassisFind->second); |
| } |
| |
| uint8_t fruHash = 0; |
| if (chassisType.compare(chassisTypeRackMount) != 0 && |
| chassisType.compare(chassisTypeMainServer) != 0) |
| { |
| fruHash = hasher(fru.first.str); |
| // can't be 0xFF based on spec, and 0 is reserved for baseboard |
| if (fruHash == 0 || fruHash == 0xFF) |
| { |
| fruHash = 1; |
| } |
| } |
| std::pair<uint8_t, uint8_t> newDev(fruBus, fruAddr); |
| |
| bool emplacePassed = false; |
| while (!emplacePassed) |
| { |
| auto resp = deviceHashes.emplace(fruHash, newDev); |
| emplacePassed = resp.second; |
| if (!emplacePassed) |
| { |
| fruHash++; |
| // can't be 0xFF based on spec, and 0 is reserved for |
| // baseboard |
| if (fruHash == 0XFF) |
| { |
| fruHash = 0x1; |
| } |
| } |
| } |
| } |
| } |
| |
| void replaceCacheFru(const std::shared_ptr<sdbusplus::asio::connection>& bus, |
| boost::asio::yield_context& yield, |
| const std::optional<std::string>& path = std::nullopt) |
| { |
| boost::system::error_code ec; |
| |
| frus = bus->yield_method_call<ManagedObjectType>( |
| yield, ec, fruDeviceServiceName, "/", |
| "org.freedesktop.DBus.ObjectManager", "GetManagedObjects"); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "GetMangagedObjects for replaceCacheFru failed", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str())); |
| |
| return; |
| } |
| recalculateHashes(); |
| } |
| |
| ipmi::Cc getFru(ipmi::Context::ptr ctx, uint8_t devId) |
| { |
| if (lastDevId == devId && devId != 0xFF) |
| { |
| return ipmi::ccSuccess; |
| } |
| |
| auto deviceFind = deviceHashes.find(devId); |
| if (deviceFind == deviceHashes.end()) |
| { |
| return IPMI_CC_SENSOR_INVALID; |
| } |
| |
| fruCache.clear(); |
| |
| cacheBus = deviceFind->second.first; |
| cacheAddr = deviceFind->second.second; |
| |
| boost::system::error_code ec; |
| |
| fruCache = ctx->bus->yield_method_call<std::vector<uint8_t>>( |
| ctx->yield, ec, fruDeviceServiceName, "/xyz/openbmc_project/FruDevice", |
| "xyz.openbmc_project.FruDeviceManager", "GetRawFru", cacheBus, |
| cacheAddr); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Couldn't get raw fru", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str())); |
| |
| cacheBus = 0xFF; |
| cacheAddr = 0xFF; |
| return ipmi::ccResponseError; |
| } |
| |
| lastDevId = devId; |
| return ipmi::ccSuccess; |
| } |
| |
| void writeFruIfRunning() |
| { |
| if (!writeTimer->isRunning()) |
| { |
| return; |
| } |
| writeTimer->stop(); |
| writeFru(); |
| } |
| |
| void startMatch(void) |
| { |
| if (fruMatches.size()) |
| { |
| return; |
| } |
| |
| fruMatches.reserve(2); |
| |
| auto bus = getSdBus(); |
| fruMatches.emplace_back(*bus, |
| "type='signal',arg0path='/xyz/openbmc_project/" |
| "FruDevice/',member='InterfacesAdded'", |
| [](sdbusplus::message::message& message) { |
| sdbusplus::message::object_path path; |
| ObjectType object; |
| try |
| { |
| message.read(path, object); |
| } |
| catch (const sdbusplus::exception_t&) |
| { |
| return; |
| } |
| auto findType = object.find( |
| "xyz.openbmc_project.FruDevice"); |
| if (findType == object.end()) |
| { |
| return; |
| } |
| writeFruIfRunning(); |
| frus[path] = object; |
| recalculateHashes(); |
| lastDevId = 0xFF; |
| }); |
| |
| fruMatches.emplace_back(*bus, |
| "type='signal',arg0path='/xyz/openbmc_project/" |
| "FruDevice/',member='InterfacesRemoved'", |
| [](sdbusplus::message::message& message) { |
| sdbusplus::message::object_path path; |
| std::set<std::string> interfaces; |
| try |
| { |
| message.read(path, interfaces); |
| } |
| catch (const sdbusplus::exception_t&) |
| { |
| return; |
| } |
| auto findType = interfaces.find( |
| "xyz.openbmc_project.FruDevice"); |
| if (findType == interfaces.end()) |
| { |
| return; |
| } |
| writeFruIfRunning(); |
| frus.erase(path); |
| recalculateHashes(); |
| lastDevId = 0xFF; |
| }); |
| |
| // call once to populate |
| boost::asio::spawn(*getIoContext(), [](boost::asio::yield_context yield) { |
| replaceCacheFru(getSdBus(), yield); |
| }); |
| } |
| |
| /** @brief implements the read FRU data command |
| * @param fruDeviceId - FRU Device ID |
| * @param fruInventoryOffset - FRU Inventory Offset to write |
| * @param countToRead - Count to read |
| * |
| * @returns ipmi completion code plus response data |
| * - countWritten - Count written |
| */ |
| ipmi::RspType<uint8_t, // Count |
| std::vector<uint8_t> // Requested data |
| > |
| ipmiStorageReadFruData(ipmi::Context::ptr ctx, uint8_t fruDeviceId, |
| uint16_t fruInventoryOffset, uint8_t countToRead) |
| { |
| if (fruDeviceId == 0xFF) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| ipmi::Cc status = getFru(ctx, fruDeviceId); |
| |
| if (status != ipmi::ccSuccess) |
| { |
| return ipmi::response(status); |
| } |
| |
| size_t fromFruByteLen = 0; |
| if (countToRead + fruInventoryOffset < fruCache.size()) |
| { |
| fromFruByteLen = countToRead; |
| } |
| else if (fruCache.size() > fruInventoryOffset) |
| { |
| fromFruByteLen = fruCache.size() - fruInventoryOffset; |
| } |
| else |
| { |
| return ipmi::responseReqDataLenExceeded(); |
| } |
| |
| std::vector<uint8_t> requestedData; |
| |
| requestedData.insert( |
| requestedData.begin(), fruCache.begin() + fruInventoryOffset, |
| fruCache.begin() + fruInventoryOffset + fromFruByteLen); |
| |
| return ipmi::responseSuccess(static_cast<uint8_t>(requestedData.size()), |
| requestedData); |
| } |
| |
| /** @brief implements the write FRU data command |
| * @param fruDeviceId - FRU Device ID |
| * @param fruInventoryOffset - FRU Inventory Offset to write |
| * @param dataToWrite - Data to write |
| * |
| * @returns ipmi completion code plus response data |
| * - countWritten - Count written |
| */ |
| ipmi::RspType<uint8_t> |
| ipmiStorageWriteFruData(ipmi::Context::ptr ctx, uint8_t fruDeviceId, |
| uint16_t fruInventoryOffset, |
| std::vector<uint8_t>& dataToWrite) |
| { |
| if (fruDeviceId == 0xFF) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| size_t writeLen = dataToWrite.size(); |
| |
| ipmi::Cc status = getFru(ctx, fruDeviceId); |
| if (status != ipmi::ccSuccess) |
| { |
| return ipmi::response(status); |
| } |
| size_t lastWriteAddr = fruInventoryOffset + writeLen; |
| if (fruCache.size() < lastWriteAddr) |
| { |
| fruCache.resize(fruInventoryOffset + writeLen); |
| } |
| |
| std::copy(dataToWrite.begin(), dataToWrite.begin() + writeLen, |
| fruCache.begin() + fruInventoryOffset); |
| |
| bool atEnd = false; |
| |
| if (fruCache.size() >= sizeof(FRUHeader)) |
| { |
| FRUHeader* header = reinterpret_cast<FRUHeader*>(fruCache.data()); |
| |
| size_t areaLength = 0; |
| size_t lastRecordStart = std::max( |
| {header->internalOffset, header->chassisOffset, header->boardOffset, |
| header->productOffset, header->multiRecordOffset}); |
| lastRecordStart *= 8; // header starts in are multiples of 8 bytes |
| |
| if (header->multiRecordOffset) |
| { |
| // This FRU has a MultiRecord Area |
| uint8_t endOfList = 0; |
| // Walk the MultiRecord headers until the last record |
| while (!endOfList) |
| { |
| // The MSB in the second byte of the MultiRecord header signals |
| // "End of list" |
| endOfList = fruCache[lastRecordStart + 1] & 0x80; |
| // Third byte in the MultiRecord header is the length |
| areaLength = fruCache[lastRecordStart + 2]; |
| // This length is in bytes (not 8 bytes like other headers) |
| areaLength += 5; // The length omits the 5 byte header |
| if (!endOfList) |
| { |
| // Next MultiRecord header |
| lastRecordStart += areaLength; |
| } |
| } |
| } |
| else |
| { |
| // This FRU does not have a MultiRecord Area |
| // Get the length of the area in multiples of 8 bytes |
| if (lastWriteAddr > (lastRecordStart + 1)) |
| { |
| // second byte in record area is the length |
| areaLength = fruCache[lastRecordStart + 1]; |
| areaLength *= 8; // it is in multiples of 8 bytes |
| } |
| } |
| if (lastWriteAddr >= (areaLength + lastRecordStart)) |
| { |
| atEnd = true; |
| } |
| } |
| uint8_t countWritten = 0; |
| |
| writeBus = cacheBus; |
| writeAddr = cacheAddr; |
| if (atEnd) |
| { |
| // cancel timer, we're at the end so might as well send it |
| writeTimer->stop(); |
| if (!writeFru()) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| countWritten = std::min(fruCache.size(), static_cast<size_t>(0xFF)); |
| } |
| else |
| { |
| // start a timer, if no further data is sent to check to see if it is |
| // valid |
| writeTimer->start(std::chrono::duration_cast<std::chrono::microseconds>( |
| std::chrono::seconds(writeTimeoutSeconds))); |
| countWritten = 0; |
| } |
| |
| return ipmi::responseSuccess(countWritten); |
| } |
| |
| /** @brief implements the get FRU inventory area info command |
| * @param fruDeviceId - FRU Device ID |
| * |
| * @returns IPMI completion code plus response data |
| * - inventorySize - Number of possible allocation units |
| * - accessType - Allocation unit size in bytes. |
| */ |
| ipmi::RspType<uint16_t, // inventorySize |
| uint8_t> // accessType |
| ipmiStorageGetFruInvAreaInfo(ipmi::Context::ptr ctx, uint8_t fruDeviceId) |
| { |
| if (fruDeviceId == 0xFF) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| ipmi::Cc ret = getFru(ctx, fruDeviceId); |
| if (ret != ipmi::ccSuccess) |
| { |
| return ipmi::response(ret); |
| } |
| |
| constexpr uint8_t accessType = |
| static_cast<uint8_t>(GetFRUAreaAccessType::byte); |
| |
| return ipmi::responseSuccess(fruCache.size(), accessType); |
| } |
| |
| ipmi_ret_t getFruSdrCount(ipmi::Context::ptr ctx, size_t& count) |
| { |
| count = deviceHashes.size(); |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t getFruSdrs(ipmi::Context::ptr ctx, size_t index, |
| get_sdr::SensorDataFruRecord& resp) |
| { |
| if (deviceHashes.size() < index) |
| { |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| auto device = deviceHashes.begin() + index; |
| uint8_t& bus = device->second.first; |
| uint8_t& address = device->second.second; |
| |
| boost::container::flat_map<std::string, Value>* fruData = nullptr; |
| auto fru = |
| std::find_if(frus.begin(), frus.end(), |
| [bus, address, &fruData](ManagedEntry& entry) { |
| auto findFruDevice = |
| entry.second.find("xyz.openbmc_project.FruDevice"); |
| if (findFruDevice == entry.second.end()) |
| { |
| return false; |
| } |
| fruData = &(findFruDevice->second); |
| auto findBus = findFruDevice->second.find("BUS"); |
| auto findAddress = |
| findFruDevice->second.find("ADDRESS"); |
| if (findBus == findFruDevice->second.end() || |
| findAddress == findFruDevice->second.end()) |
| { |
| return false; |
| } |
| if (std::get<uint32_t>(findBus->second) != bus) |
| { |
| return false; |
| } |
| if (std::get<uint32_t>(findAddress->second) != address) |
| { |
| return false; |
| } |
| return true; |
| }); |
| if (fru == frus.end()) |
| { |
| return IPMI_CC_RESPONSE_ERROR; |
| } |
| std::string name; |
| |
| #ifdef USING_ENTITY_MANAGER_DECORATORS |
| |
| boost::container::flat_map<std::string, Value>* entityData = nullptr; |
| |
| // todo: this should really use caching, this is a very inefficient lookup |
| boost::system::error_code ec; |
| ManagedObjectType entities = ctx->bus->yield_method_call<ManagedObjectType>( |
| ctx->yield, ec, entityManagerServiceName, "/", |
| "org.freedesktop.DBus.ObjectManager", "GetManagedObjects"); |
| |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "GetMangagedObjects for ipmiStorageGetFruInvAreaInfo failed", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str())); |
| |
| return ipmi::ccResponseError; |
| } |
| |
| auto entity = std::find_if( |
| entities.begin(), entities.end(), |
| [bus, address, &entityData, &name](ManagedEntry& entry) { |
| auto findFruDevice = entry.second.find( |
| "xyz.openbmc_project.Inventory.Decorator.I2CDevice"); |
| if (findFruDevice == entry.second.end()) |
| { |
| return false; |
| } |
| |
| // Integer fields added via Entity-Manager json are uint64_ts by |
| // default. |
| auto findBus = findFruDevice->second.find("Bus"); |
| auto findAddress = findFruDevice->second.find("Address"); |
| |
| if (findBus == findFruDevice->second.end() || |
| findAddress == findFruDevice->second.end()) |
| { |
| return false; |
| } |
| if ((std::get<uint64_t>(findBus->second) != bus) || |
| (std::get<uint64_t>(findAddress->second) != address)) |
| { |
| return false; |
| } |
| |
| auto fruName = findFruDevice->second.find("Name"); |
| if (fruName != findFruDevice->second.end()) |
| { |
| name = std::get<std::string>(fruName->second); |
| } |
| |
| // At this point we found the device entry and should return |
| // true. |
| auto findIpmiDevice = entry.second.find( |
| "xyz.openbmc_project.Inventory.Decorator.Ipmi"); |
| if (findIpmiDevice != entry.second.end()) |
| { |
| entityData = &(findIpmiDevice->second); |
| } |
| |
| return true; |
| }); |
| |
| if (entity == entities.end()) |
| { |
| if constexpr (DEBUG) |
| { |
| std::fprintf(stderr, "Ipmi or FruDevice Decorator interface " |
| "not found for Fru\n"); |
| } |
| } |
| |
| #endif |
| |
| if (name.empty()) |
| { |
| name = "UNKNOWN"; |
| } |
| if (name.size() > maxFruSdrNameSize) |
| { |
| name = name.substr(0, maxFruSdrNameSize); |
| } |
| size_t sizeDiff = maxFruSdrNameSize - name.size(); |
| |
| resp.header.record_id_lsb = 0x0; // calling code is to implement these |
| resp.header.record_id_msb = 0x0; |
| resp.header.sdr_version = ipmiSdrVersion; |
| resp.header.record_type = get_sdr::SENSOR_DATA_FRU_RECORD; |
| resp.header.record_length = sizeof(resp.body) + sizeof(resp.key) - sizeDiff; |
| resp.key.deviceAddress = 0x20; |
| resp.key.fruID = device->first; |
| resp.key.accessLun = 0x80; // logical / physical fru device |
| resp.key.channelNumber = 0x0; |
| resp.body.reserved = 0x0; |
| resp.body.deviceType = 0x10; |
| resp.body.deviceTypeModifier = 0x0; |
| |
| uint8_t entityID = 0; |
| uint8_t entityInstance = 0x1; |
| |
| #ifdef USING_ENTITY_MANAGER_DECORATORS |
| if (entityData) |
| { |
| auto entityIdProperty = entityData->find("EntityId"); |
| auto entityInstanceProperty = entityData->find("EntityInstance"); |
| |
| if (entityIdProperty != entityData->end()) |
| { |
| entityID = static_cast<uint8_t>( |
| std::get<uint64_t>(entityIdProperty->second)); |
| } |
| if (entityInstanceProperty != entityData->end()) |
| { |
| entityInstance = static_cast<uint8_t>( |
| std::get<uint64_t>(entityInstanceProperty->second)); |
| } |
| } |
| #endif |
| |
| resp.body.entityID = entityID; |
| resp.body.entityInstance = entityInstance; |
| |
| resp.body.oem = 0x0; |
| resp.body.deviceIDLen = name.size(); |
| name.copy(resp.body.deviceID, name.size()); |
| |
| return IPMI_CC_OK; |
| } |
| |
| static bool getSELLogFiles(std::vector<std::filesystem::path>& selLogFiles) |
| { |
| // Loop through the directory looking for ipmi_sel log files |
| for (const std::filesystem::directory_entry& dirEnt : |
| std::filesystem::directory_iterator( |
| dynamic_sensors::ipmi::sel::selLogDir)) |
| { |
| std::string filename = dirEnt.path().filename(); |
| if (boost::starts_with(filename, |
| dynamic_sensors::ipmi::sel::selLogFilename)) |
| { |
| // If we find an ipmi_sel log file, save the path |
| selLogFiles.emplace_back(dynamic_sensors::ipmi::sel::selLogDir / |
| filename); |
| } |
| } |
| // As the log files rotate, they are appended with a ".#" that is higher for |
| // the older logs. Since we don't expect more than 10 log files, we |
| // can just sort the list to get them in order from newest to oldest |
| std::sort(selLogFiles.begin(), selLogFiles.end()); |
| |
| return !selLogFiles.empty(); |
| } |
| |
| static int countSELEntries() |
| { |
| // Get the list of ipmi_sel log files |
| std::vector<std::filesystem::path> selLogFiles; |
| if (!getSELLogFiles(selLogFiles)) |
| { |
| return 0; |
| } |
| int numSELEntries = 0; |
| // Loop through each log file and count the number of logs |
| for (const std::filesystem::path& file : selLogFiles) |
| { |
| std::ifstream logStream(file); |
| if (!logStream.is_open()) |
| { |
| continue; |
| } |
| |
| std::string line; |
| while (std::getline(logStream, line)) |
| { |
| numSELEntries++; |
| } |
| } |
| return numSELEntries; |
| } |
| |
| static bool findSELEntry(const int recordID, |
| const std::vector<std::filesystem::path>& selLogFiles, |
| std::string& entry) |
| { |
| // Record ID is the first entry field following the timestamp. It is |
| // preceded by a space and followed by a comma |
| std::string search = " " + std::to_string(recordID) + ","; |
| |
| // Loop through the ipmi_sel log entries |
| for (const std::filesystem::path& file : selLogFiles) |
| { |
| std::ifstream logStream(file); |
| if (!logStream.is_open()) |
| { |
| continue; |
| } |
| |
| while (std::getline(logStream, entry)) |
| { |
| // Check if the record ID matches |
| if (entry.find(search) != std::string::npos) |
| { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| static uint16_t |
| getNextRecordID(const uint16_t recordID, |
| const std::vector<std::filesystem::path>& selLogFiles) |
| { |
| uint16_t nextRecordID = recordID + 1; |
| std::string entry; |
| if (findSELEntry(nextRecordID, selLogFiles, entry)) |
| { |
| return nextRecordID; |
| } |
| else |
| { |
| return ipmi::sel::lastEntry; |
| } |
| } |
| |
| static int fromHexStr(const std::string& hexStr, std::vector<uint8_t>& data) |
| { |
| for (unsigned int i = 0; i < hexStr.size(); i += 2) |
| { |
| try |
| { |
| data.push_back(static_cast<uint8_t>( |
| std::stoul(hexStr.substr(i, 2), nullptr, 16))); |
| } |
| catch (const std::invalid_argument& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| return -1; |
| } |
| catch (const std::out_of_range& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| return -1; |
| } |
| } |
| return 0; |
| } |
| |
| ipmi::RspType<uint8_t, // SEL version |
| uint16_t, // SEL entry count |
| uint16_t, // free space |
| uint32_t, // last add timestamp |
| uint32_t, // last erase timestamp |
| uint8_t> // operation support |
| ipmiStorageGetSELInfo() |
| { |
| constexpr uint8_t selVersion = ipmi::sel::selVersion; |
| uint16_t entries = countSELEntries(); |
| uint32_t addTimeStamp = dynamic_sensors::ipmi::sel::getFileTimestamp( |
| dynamic_sensors::ipmi::sel::selLogDir / |
| dynamic_sensors::ipmi::sel::selLogFilename); |
| uint32_t eraseTimeStamp = dynamic_sensors::ipmi::sel::erase_time::get(); |
| constexpr uint8_t operationSupport = |
| dynamic_sensors::ipmi::sel::selOperationSupport; |
| constexpr uint16_t freeSpace = |
| 0xffff; // Spec indicates that more than 64kB is free |
| |
| return ipmi::responseSuccess(selVersion, entries, freeSpace, addTimeStamp, |
| eraseTimeStamp, operationSupport); |
| } |
| |
| using systemEventType = std::tuple< |
| uint32_t, // Timestamp |
| uint16_t, // Generator ID |
| uint8_t, // EvM Rev |
| uint8_t, // Sensor Type |
| uint8_t, // Sensor Number |
| uint7_t, // Event Type |
| bool, // Event Direction |
| std::array<uint8_t, dynamic_sensors::ipmi::sel::systemEventSize>>; // Event |
| // Data |
| using oemTsEventType = std::tuple< |
| uint32_t, // Timestamp |
| std::array<uint8_t, dynamic_sensors::ipmi::sel::oemTsEventSize>>; // Event |
| // Data |
| using oemEventType = |
| std::array<uint8_t, dynamic_sensors::ipmi::sel::oemEventSize>; // Event Data |
| |
| ipmi::RspType<uint16_t, // Next Record ID |
| uint16_t, // Record ID |
| uint8_t, // Record Type |
| std::variant<systemEventType, oemTsEventType, |
| oemEventType>> // Record Content |
| ipmiStorageGetSELEntry(uint16_t reservationID, uint16_t targetID, |
| uint8_t offset, uint8_t size) |
| { |
| // Only support getting the entire SEL record. If a partial size or non-zero |
| // offset is requested, return an error |
| if (offset != 0 || size != ipmi::sel::entireRecord) |
| { |
| return ipmi::responseRetBytesUnavailable(); |
| } |
| |
| // Check the reservation ID if one is provided or required (only if the |
| // offset is non-zero) |
| if (reservationID != 0 || offset != 0) |
| { |
| if (!checkSELReservation(reservationID)) |
| { |
| return ipmi::responseInvalidReservationId(); |
| } |
| } |
| |
| // Get the ipmi_sel log files |
| std::vector<std::filesystem::path> selLogFiles; |
| if (!getSELLogFiles(selLogFiles)) |
| { |
| return ipmi::responseSensorInvalid(); |
| } |
| |
| std::string targetEntry; |
| |
| if (targetID == ipmi::sel::firstEntry) |
| { |
| // The first entry will be at the top of the oldest log file |
| std::ifstream logStream(selLogFiles.back()); |
| if (!logStream.is_open()) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| if (!std::getline(logStream, targetEntry)) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| } |
| else if (targetID == ipmi::sel::lastEntry) |
| { |
| // The last entry will be at the bottom of the newest log file |
| std::ifstream logStream(selLogFiles.front()); |
| if (!logStream.is_open()) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| std::string line; |
| while (std::getline(logStream, line)) |
| { |
| targetEntry = line; |
| } |
| } |
| else |
| { |
| if (!findSELEntry(targetID, selLogFiles, targetEntry)) |
| { |
| return ipmi::responseSensorInvalid(); |
| } |
| } |
| |
| // The format of the ipmi_sel message is "<Timestamp> |
| // <ID>,<Type>,<EventData>,[<Generator ID>,<Path>,<Direction>]". |
| // First get the Timestamp |
| size_t space = targetEntry.find_first_of(" "); |
| if (space == std::string::npos) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| std::string entryTimestamp = targetEntry.substr(0, space); |
| // Then get the log contents |
| size_t entryStart = targetEntry.find_first_not_of(" ", space); |
| if (entryStart == std::string::npos) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| std::string_view entry(targetEntry); |
| entry.remove_prefix(entryStart); |
| // Use split to separate the entry into its fields |
| std::vector<std::string> targetEntryFields; |
| boost::split(targetEntryFields, entry, boost::is_any_of(","), |
| boost::token_compress_on); |
| if (targetEntryFields.size() < 3) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| std::string& recordIDStr = targetEntryFields[0]; |
| std::string& recordTypeStr = targetEntryFields[1]; |
| std::string& eventDataStr = targetEntryFields[2]; |
| |
| uint16_t recordID; |
| uint8_t recordType; |
| try |
| { |
| recordID = std::stoul(recordIDStr); |
| recordType = std::stoul(recordTypeStr, nullptr, 16); |
| } |
| catch (const std::invalid_argument&) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| uint16_t nextRecordID = getNextRecordID(recordID, selLogFiles); |
| std::vector<uint8_t> eventDataBytes; |
| if (fromHexStr(eventDataStr, eventDataBytes) < 0) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| if (recordType == dynamic_sensors::ipmi::sel::systemEvent) |
| { |
| // Get the timestamp |
| std::tm timeStruct = {}; |
| std::istringstream entryStream(entryTimestamp); |
| |
| uint32_t timestamp = ipmi::sel::invalidTimeStamp; |
| if (entryStream >> std::get_time(&timeStruct, "%Y-%m-%dT%H:%M:%S")) |
| { |
| timestamp = std::mktime(&timeStruct); |
| } |
| |
| // Set the event message revision |
| uint8_t evmRev = dynamic_sensors::ipmi::sel::eventMsgRev; |
| |
| uint16_t generatorID = 0; |
| uint8_t sensorType = 0; |
| uint16_t sensorAndLun = 0; |
| uint8_t sensorNum = 0xFF; |
| uint7_t eventType = 0; |
| bool eventDir = 0; |
| // System type events should have six fields |
| if (targetEntryFields.size() >= 6) |
| { |
| std::string& generatorIDStr = targetEntryFields[3]; |
| std::string& sensorPath = targetEntryFields[4]; |
| std::string& eventDirStr = targetEntryFields[5]; |
| |
| // Get the generator ID |
| try |
| { |
| generatorID = std::stoul(generatorIDStr, nullptr, 16); |
| } |
| catch (const std::invalid_argument&) |
| { |
| std::cerr << "Invalid Generator ID\n"; |
| } |
| |
| // Get the sensor type, sensor number, and event type for the sensor |
| sensorType = getSensorTypeFromPath(sensorPath); |
| sensorAndLun = getSensorNumberFromPath(sensorPath); |
| sensorNum = static_cast<uint8_t>(sensorAndLun); |
| generatorID |= sensorAndLun >> 8; |
| eventType = getSensorEventTypeFromPath(sensorPath); |
| |
| // Get the event direction |
| try |
| { |
| eventDir = std::stoul(eventDirStr) ? 0 : 1; |
| } |
| catch (const std::invalid_argument&) |
| { |
| std::cerr << "Invalid Event Direction\n"; |
| } |
| } |
| |
| // Only keep the eventData bytes that fit in the record |
| std::array<uint8_t, dynamic_sensors::ipmi::sel::systemEventSize> |
| eventData{}; |
| std::copy_n(eventDataBytes.begin(), |
| std::min(eventDataBytes.size(), eventData.size()), |
| eventData.begin()); |
| |
| return ipmi::responseSuccess( |
| nextRecordID, recordID, recordType, |
| systemEventType{timestamp, generatorID, evmRev, sensorType, |
| sensorNum, eventType, eventDir, eventData}); |
| } |
| |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| ipmi::RspType<uint16_t> ipmiStorageAddSELEntry( |
| uint16_t recordID, uint8_t recordType, uint32_t timestamp, |
| uint16_t generatorID, uint8_t evmRev, uint8_t sensorType, uint8_t sensorNum, |
| uint8_t eventType, uint8_t eventData1, uint8_t eventData2, |
| uint8_t eventData3) |
| { |
| // Per the IPMI spec, need to cancel any reservation when a SEL entry is |
| // added |
| cancelSELReservation(); |
| |
| uint16_t responseID = 0xFFFF; |
| return ipmi::responseSuccess(responseID); |
| } |
| |
| ipmi::RspType<uint8_t> ipmiStorageClearSEL(ipmi::Context::ptr ctx, |
| uint16_t reservationID, |
| const std::array<uint8_t, 3>& clr, |
| uint8_t eraseOperation) |
| { |
| if (!checkSELReservation(reservationID)) |
| { |
| return ipmi::responseInvalidReservationId(); |
| } |
| |
| static constexpr std::array<uint8_t, 3> clrExpected = {'C', 'L', 'R'}; |
| if (clr != clrExpected) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| // Erasure status cannot be fetched, so always return erasure status as |
| // `erase completed`. |
| if (eraseOperation == ipmi::sel::getEraseStatus) |
| { |
| return ipmi::responseSuccess(ipmi::sel::eraseComplete); |
| } |
| |
| // Check that initiate erase is correct |
| if (eraseOperation != ipmi::sel::initiateErase) |
| { |
| return ipmi::responseInvalidFieldRequest(); |
| } |
| |
| // Per the IPMI spec, need to cancel any reservation when the SEL is |
| // cleared |
| cancelSELReservation(); |
| |
| // Save the erase time |
| dynamic_sensors::ipmi::sel::erase_time::save(); |
| |
| // Clear the SEL by deleting the log files |
| std::vector<std::filesystem::path> selLogFiles; |
| if (getSELLogFiles(selLogFiles)) |
| { |
| for (const std::filesystem::path& file : selLogFiles) |
| { |
| std::error_code ec; |
| std::filesystem::remove(file, ec); |
| } |
| } |
| |
| // Reload rsyslog so it knows to start new log files |
| std::shared_ptr<sdbusplus::asio::connection> dbus = getSdBus(); |
| sdbusplus::message::message rsyslogReload = dbus->new_method_call( |
| "org.freedesktop.systemd1", "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", "ReloadUnit"); |
| rsyslogReload.append("rsyslog.service", "replace"); |
| try |
| { |
| sdbusplus::message::message reloadResponse = dbus->call(rsyslogReload); |
| } |
| catch (const sdbusplus::exception_t& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| } |
| |
| return ipmi::responseSuccess(ipmi::sel::eraseComplete); |
| } |
| |
| ipmi::RspType<uint32_t> ipmiStorageGetSELTime() |
| { |
| struct timespec selTime = {}; |
| |
| if (clock_gettime(CLOCK_REALTIME, &selTime) < 0) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| return ipmi::responseSuccess(selTime.tv_sec); |
| } |
| |
| ipmi::RspType<> ipmiStorageSetSELTime(uint32_t selTime) |
| { |
| // Set SEL Time is not supported |
| return ipmi::responseInvalidCommand(); |
| } |
| |
| std::vector<uint8_t> getType12SDRs(uint16_t index, uint16_t recordId) |
| { |
| std::vector<uint8_t> resp; |
| if (index == 0) |
| { |
| Type12Record bmc = {}; |
| bmc.header.record_id_lsb = recordId; |
| bmc.header.record_id_msb = recordId >> 8; |
| bmc.header.sdr_version = ipmiSdrVersion; |
| bmc.header.record_type = 0x12; |
| bmc.header.record_length = 0x1b; |
| bmc.slaveAddress = 0x20; |
| bmc.channelNumber = 0; |
| bmc.powerStateNotification = 0; |
| bmc.deviceCapabilities = 0xBF; |
| bmc.reserved = 0; |
| bmc.entityID = 0x2E; |
| bmc.entityInstance = 1; |
| bmc.oem = 0; |
| bmc.typeLengthCode = 0xD0; |
| std::string bmcName = "Basbrd Mgmt Ctlr"; |
| std::copy(bmcName.begin(), bmcName.end(), bmc.name); |
| uint8_t* bmcPtr = reinterpret_cast<uint8_t*>(&bmc); |
| resp.insert(resp.end(), bmcPtr, bmcPtr + sizeof(Type12Record)); |
| } |
| else if (index == 1) |
| { |
| Type12Record me = {}; |
| me.header.record_id_lsb = recordId; |
| me.header.record_id_msb = recordId >> 8; |
| me.header.sdr_version = ipmiSdrVersion; |
| me.header.record_type = 0x12; |
| me.header.record_length = 0x16; |
| me.slaveAddress = 0x2C; |
| me.channelNumber = 6; |
| me.powerStateNotification = 0x24; |
| me.deviceCapabilities = 0x21; |
| me.reserved = 0; |
| me.entityID = 0x2E; |
| me.entityInstance = 2; |
| me.oem = 0; |
| me.typeLengthCode = 0xCB; |
| std::string meName = "Mgmt Engine"; |
| std::copy(meName.begin(), meName.end(), me.name); |
| uint8_t* mePtr = reinterpret_cast<uint8_t*>(&me); |
| resp.insert(resp.end(), mePtr, mePtr + sizeof(Type12Record)); |
| } |
| else |
| { |
| throw std::runtime_error("getType12SDRs:: Illegal index " + |
| std::to_string(index)); |
| } |
| |
| return resp; |
| } |
| |
| void registerStorageFunctions() |
| { |
| createTimers(); |
| startMatch(); |
| |
| // <Get FRU Inventory Area Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetFruInventoryAreaInfo, |
| ipmi::Privilege::User, ipmiStorageGetFruInvAreaInfo); |
| // <READ FRU Data> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdReadFruData, ipmi::Privilege::User, |
| ipmiStorageReadFruData); |
| |
| // <WRITE FRU Data> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdWriteFruData, |
| ipmi::Privilege::Operator, ipmiStorageWriteFruData); |
| |
| // <Get SEL Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSelInfo, ipmi::Privilege::User, |
| ipmiStorageGetSELInfo); |
| |
| // <Get SEL Entry> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSelEntry, ipmi::Privilege::User, |
| ipmiStorageGetSELEntry); |
| |
| // <Add SEL Entry> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdAddSelEntry, |
| ipmi::Privilege::Operator, ipmiStorageAddSELEntry); |
| |
| // <Clear SEL> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdClearSel, ipmi::Privilege::Operator, |
| ipmiStorageClearSEL); |
| |
| // <Get SEL Time> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSelTime, ipmi::Privilege::User, |
| ipmiStorageGetSELTime); |
| |
| // <Set SEL Time> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdSetSelTime, |
| ipmi::Privilege::Operator, ipmiStorageSetSELTime); |
| } |
| } // namespace storage |
| } // namespace ipmi |