| /* |
| // 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 <boost/algorithm/string.hpp> |
| #include <boost/container/flat_map.hpp> |
| #include <boost/process.hpp> |
| #include <commandutils.hpp> |
| #include <filesystem> |
| #include <iostream> |
| #include <ipmid/api.hpp> |
| #include <phosphor-ipmi-host/selutility.hpp> |
| #include <phosphor-logging/log.hpp> |
| #include <sdbusplus/message/types.hpp> |
| #include <sdbusplus/timer.hpp> |
| #include <sdrutils.hpp> |
| #include <stdexcept> |
| #include <storagecommands.hpp> |
| |
| namespace intel_oem::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 intel_oem::ipmi::sel |
| |
| namespace ipmi |
| { |
| |
| namespace storage |
| { |
| |
| constexpr static const size_t maxMessageSize = 64; |
| constexpr static const size_t maxFruSdrNameSize = 16; |
| using ManagedObjectType = boost::container::flat_map< |
| sdbusplus::message::object_path, |
| boost::container::flat_map< |
| std::string, boost::container::flat_map<std::string, DbusVariant>>>; |
| using ManagedEntry = std::pair< |
| sdbusplus::message::object_path, |
| boost::container::flat_map< |
| std::string, boost::container::flat_map<std::string, DbusVariant>>>; |
| |
| constexpr static const char* fruDeviceServiceName = |
| "xyz.openbmc_project.FruDevice"; |
| constexpr static const size_t cacheTimeoutSeconds = 10; |
| |
| // 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; |
| |
| std::unique_ptr<phosphor::Timer> cacheTimer = nullptr; |
| |
| // 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)); |
| static sdbusplus::bus::bus dbus(ipmid_get_sd_bus_connection()); |
| |
| bool writeFru() |
| { |
| sdbusplus::message::message writeFru = dbus.new_method_call( |
| fruDeviceServiceName, "/xyz/openbmc_project/FruDevice", |
| "xyz.openbmc_project.FruDeviceManager", "WriteFru"); |
| writeFru.append(cacheBus, cacheAddr, fruCache); |
| try |
| { |
| sdbusplus::message::message writeFruResp = dbus.call(writeFru); |
| } |
| catch (sdbusplus::exception_t&) |
| { |
| // todo: log sel? |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "error writing fru"); |
| return false; |
| } |
| return true; |
| } |
| |
| void createTimer() |
| { |
| if (cacheTimer == nullptr) |
| { |
| cacheTimer = std::make_unique<phosphor::Timer>(writeFru); |
| } |
| } |
| |
| ipmi_ret_t replaceCacheFru(uint8_t devId) |
| { |
| static uint8_t lastDevId = 0xFF; |
| |
| bool timerRunning = (cacheTimer != nullptr) && !cacheTimer->isExpired(); |
| if (lastDevId == devId && timerRunning) |
| { |
| return IPMI_CC_OK; // cache already up to date |
| } |
| // if timer is running, stop it and writeFru manually |
| else if (timerRunning) |
| { |
| cacheTimer->stop(); |
| writeFru(); |
| } |
| |
| sdbusplus::message::message getObjects = dbus.new_method_call( |
| fruDeviceServiceName, "/", "org.freedesktop.DBus.ObjectManager", |
| "GetManagedObjects"); |
| ManagedObjectType frus; |
| try |
| { |
| sdbusplus::message::message resp = dbus.call(getObjects); |
| resp.read(frus); |
| } |
| catch (sdbusplus::exception_t&) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "replaceCacheFru: error getting managed objects"); |
| return IPMI_CC_RESPONSE_ERROR; |
| } |
| |
| 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 = |
| sdbusplus::message::variant_ns::get<uint32_t>(busFind->second); |
| uint8_t fruAddr = |
| sdbusplus::message::variant_ns::get<uint32_t>(addrFind->second); |
| |
| uint8_t fruHash = 0; |
| if (fruBus != 0 || fruAddr != 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; |
| } |
| } |
| } |
| } |
| auto deviceFind = deviceHashes.find(devId); |
| if (deviceFind == deviceHashes.end()) |
| { |
| return IPMI_CC_SENSOR_INVALID; |
| } |
| |
| fruCache.clear(); |
| sdbusplus::message::message getRawFru = dbus.new_method_call( |
| fruDeviceServiceName, "/xyz/openbmc_project/FruDevice", |
| "xyz.openbmc_project.FruDeviceManager", "GetRawFru"); |
| cacheBus = deviceFind->second.first; |
| cacheAddr = deviceFind->second.second; |
| getRawFru.append(cacheBus, cacheAddr); |
| try |
| { |
| sdbusplus::message::message getRawResp = dbus.call(getRawFru); |
| getRawResp.read(fruCache); |
| } |
| catch (sdbusplus::exception_t&) |
| { |
| lastDevId = 0xFF; |
| cacheBus = 0xFF; |
| cacheAddr = 0xFF; |
| return IPMI_CC_RESPONSE_ERROR; |
| } |
| |
| lastDevId = devId; |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t ipmiStorageReadFRUData(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, |
| ipmi_response_t response, |
| ipmi_data_len_t dataLen, |
| ipmi_context_t context) |
| { |
| if (*dataLen != 4) |
| { |
| *dataLen = 0; |
| return IPMI_CC_REQ_DATA_LEN_INVALID; |
| } |
| *dataLen = 0; // default to 0 in case of an error |
| |
| auto req = static_cast<GetFRUAreaReq*>(request); |
| |
| if (req->countToRead > maxMessageSize - 1) |
| { |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| ipmi_ret_t status = replaceCacheFru(req->fruDeviceID); |
| |
| if (status != IPMI_CC_OK) |
| { |
| return status; |
| } |
| |
| size_t fromFRUByteLen = 0; |
| if (req->countToRead + req->fruInventoryOffset < fruCache.size()) |
| { |
| fromFRUByteLen = req->countToRead; |
| } |
| else if (fruCache.size() > req->fruInventoryOffset) |
| { |
| fromFRUByteLen = fruCache.size() - req->fruInventoryOffset; |
| } |
| size_t padByteLen = req->countToRead - fromFRUByteLen; |
| uint8_t* respPtr = static_cast<uint8_t*>(response); |
| *respPtr = req->countToRead; |
| std::copy(fruCache.begin() + req->fruInventoryOffset, |
| fruCache.begin() + req->fruInventoryOffset + fromFRUByteLen, |
| ++respPtr); |
| // if longer than the fru is requested, fill with 0xFF |
| if (padByteLen) |
| { |
| respPtr += fromFRUByteLen; |
| std::fill(respPtr, respPtr + padByteLen, 0xFF); |
| } |
| *dataLen = fromFRUByteLen + 1; |
| |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t ipmiStorageWriteFRUData(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, |
| ipmi_response_t response, |
| ipmi_data_len_t dataLen, |
| ipmi_context_t context) |
| { |
| if (*dataLen < 4 || |
| *dataLen >= |
| 0xFF + 3) // count written return is one byte, so limit to one byte |
| // of data after the three request data bytes |
| { |
| *dataLen = 0; |
| return IPMI_CC_REQ_DATA_LEN_INVALID; |
| } |
| |
| auto req = static_cast<WriteFRUDataReq*>(request); |
| size_t writeLen = *dataLen - 3; |
| *dataLen = 0; // default to 0 in case of an error |
| |
| ipmi_ret_t status = replaceCacheFru(req->fruDeviceID); |
| if (status != IPMI_CC_OK) |
| { |
| return status; |
| } |
| int lastWriteAddr = req->fruInventoryOffset + writeLen; |
| if (fruCache.size() < lastWriteAddr) |
| { |
| fruCache.resize(req->fruInventoryOffset + writeLen); |
| } |
| |
| std::copy(req->data, req->data + writeLen, |
| fruCache.begin() + req->fruInventoryOffset); |
| |
| bool atEnd = false; |
| |
| if (fruCache.size() >= sizeof(FRUHeader)) |
| { |
| |
| FRUHeader* header = reinterpret_cast<FRUHeader*>(fruCache.data()); |
| |
| int lastRecordStart = std::max( |
| header->internalOffset, |
| std::max(header->chassisOffset, |
| std::max(header->boardOffset, header->productOffset))); |
| // TODO: Handle Multi-Record FRUs? |
| |
| lastRecordStart *= 8; // header starts in are multiples of 8 bytes |
| |
| // get the length of the area in multiples of 8 bytes |
| if (lastWriteAddr > (lastRecordStart + 1)) |
| { |
| // second byte in record area is the length |
| int areaLength(fruCache[lastRecordStart + 1]); |
| areaLength *= 8; // it is in multiples of 8 bytes |
| |
| if (lastWriteAddr >= (areaLength + lastRecordStart)) |
| { |
| atEnd = true; |
| } |
| } |
| } |
| uint8_t* respPtr = static_cast<uint8_t*>(response); |
| if (atEnd) |
| { |
| // cancel timer, we're at the end so might as well send it |
| cacheTimer->stop(); |
| if (!writeFru()) |
| { |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| *respPtr = std::min(fruCache.size(), static_cast<size_t>(0xFF)); |
| } |
| else |
| { |
| // start a timer, if no further data is sent in cacheTimeoutSeconds |
| // seconds, check to see if it is valid |
| createTimer(); |
| cacheTimer->start(std::chrono::duration_cast<std::chrono::microseconds>( |
| std::chrono::seconds(cacheTimeoutSeconds))); |
| *respPtr = 0; |
| } |
| |
| *dataLen = 1; |
| |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t ipmiStorageGetFRUInvAreaInfo(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, |
| ipmi_response_t response, |
| ipmi_data_len_t dataLen, |
| ipmi_context_t context) |
| { |
| if (*dataLen != 1) |
| { |
| *dataLen = 0; |
| return IPMI_CC_REQ_DATA_LEN_INVALID; |
| } |
| *dataLen = 0; // default to 0 in case of an error |
| |
| uint8_t reqDev = *(static_cast<uint8_t*>(request)); |
| if (reqDev == 0xFF) |
| { |
| return IPMI_CC_INVALID_FIELD_REQUEST; |
| } |
| ipmi_ret_t status = replaceCacheFru(reqDev); |
| |
| if (status != IPMI_CC_OK) |
| { |
| return status; |
| } |
| |
| GetFRUAreaResp* respPtr = static_cast<GetFRUAreaResp*>(response); |
| respPtr->inventorySizeLSB = fruCache.size() & 0xFF; |
| respPtr->inventorySizeMSB = fruCache.size() >> 8; |
| respPtr->accessType = static_cast<uint8_t>(GetFRUAreaAccessType::byte); |
| |
| *dataLen = sizeof(GetFRUAreaResp); |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t getFruSdrCount(size_t& count) |
| { |
| ipmi_ret_t ret = replaceCacheFru(0); |
| if (ret != IPMI_CC_OK) |
| { |
| return ret; |
| } |
| count = deviceHashes.size(); |
| return IPMI_CC_OK; |
| } |
| |
| ipmi_ret_t getFruSdrs(size_t index, get_sdr::SensorDataFruRecord& resp) |
| { |
| ipmi_ret_t ret = replaceCacheFru(0); // this will update the hash list |
| if (ret != IPMI_CC_OK) |
| { |
| return ret; |
| } |
| 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; |
| |
| ManagedObjectType frus; |
| |
| sdbusplus::message::message getObjects = dbus.new_method_call( |
| fruDeviceServiceName, "/", "org.freedesktop.DBus.ObjectManager", |
| "GetManagedObjects"); |
| try |
| { |
| sdbusplus::message::message resp = dbus.call(getObjects); |
| resp.read(frus); |
| } |
| catch (sdbusplus::exception_t&) |
| { |
| return IPMI_CC_RESPONSE_ERROR; |
| } |
| boost::container::flat_map<std::string, DbusVariant>* 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 (sdbusplus::message::variant_ns::get<uint32_t>( |
| findBus->second) != bus) |
| { |
| return false; |
| } |
| if (sdbusplus::message::variant_ns::get<uint32_t>( |
| findAddress->second) != address) |
| { |
| return false; |
| } |
| return true; |
| }); |
| if (fru == frus.end()) |
| { |
| return IPMI_CC_RESPONSE_ERROR; |
| } |
| std::string name; |
| auto findProductName = fruData->find("BOARD_PRODUCT_NAME"); |
| auto findBoardName = fruData->find("PRODUCT_PRODUCT_NAME"); |
| if (findProductName != fruData->end()) |
| { |
| name = sdbusplus::message::variant_ns::get<std::string>( |
| findProductName->second); |
| } |
| else if (findBoardName != fruData->end()) |
| { |
| name = sdbusplus::message::variant_ns::get<std::string>( |
| findBoardName->second); |
| } |
| else |
| { |
| 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 = 0x11; // FRU Device Locator |
| 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; |
| resp.body.entityID = 0x0; |
| resp.body.entityInstance = 0x1; |
| 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(intel_oem::ipmi::sel::selLogDir)) |
| { |
| std::string filename = dirEnt.path().filename(); |
| if (boost::starts_with(filename, intel_oem::ipmi::sel::selLogFilename)) |
| { |
| // If we find an ipmi_sel log file, save the path |
| selLogFiles.emplace_back(intel_oem::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 (std::invalid_argument& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| return -1; |
| } |
| catch (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 = intel_oem::ipmi::sel::getFileTimestamp( |
| intel_oem::ipmi::sel::selLogDir / intel_oem::ipmi::sel::selLogFilename); |
| uint32_t eraseTimeStamp = intel_oem::ipmi::sel::erase_time::get(); |
| constexpr uint8_t operationSupport = |
| intel_oem::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, intel_oem::ipmi::sel::systemEventSize>>; // Event Data |
| using oemTsEventType = std::tuple< |
| uint32_t, // Timestamp |
| std::array<uint8_t, intel_oem::ipmi::sel::oemTsEventSize>>; // Event Data |
| using oemEventType = |
| std::array<uint8_t, intel_oem::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>]". Split it |
| // into the individual fields. |
| std::vector<std::string> targetEntryFields; |
| boost::split(targetEntryFields, targetEntry, boost::is_any_of(" ,"), |
| boost::token_compress_on); |
| if (targetEntryFields.size() < 4) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| uint16_t recordID = std::stoul(targetEntryFields[1]); |
| uint16_t nextRecordID = getNextRecordID(recordID, selLogFiles); |
| uint8_t recordType = std::stoul(targetEntryFields[2], nullptr, 16); |
| std::vector<uint8_t> eventDataBytes; |
| if (fromHexStr(targetEntryFields[3], eventDataBytes) < 0) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| if (recordType == intel_oem::ipmi::sel::systemEvent) |
| { |
| // System type events have three additional fields |
| if (targetEntryFields.size() < 7) |
| { |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| // Get the timestamp |
| std::tm timeStruct = {}; |
| std::istringstream entryStream(targetEntryFields[0]); |
| |
| uint32_t timestamp = ipmi::sel::invalidTimeStamp; |
| if (entryStream >> std::get_time(&timeStruct, "%Y-%m-%dT%H:%M:%S")) |
| { |
| timestamp = std::mktime(&timeStruct); |
| } |
| |
| // Get the generator ID |
| uint16_t generatorID = std::stoul(targetEntryFields[4], nullptr, 16); |
| |
| // Set the event message revision |
| uint8_t evmRev = intel_oem::ipmi::sel::eventMsgRev; |
| |
| // Get the sensor type, sensor number, and event type for the sensor |
| uint8_t sensorType = getSensorTypeFromPath(targetEntryFields[5]); |
| uint8_t sensorNum = getSensorNumberFromPath(targetEntryFields[5]); |
| uint7_t eventType = getSensorEventTypeFromPath(targetEntryFields[5]); |
| |
| // Get the event direction |
| bool eventDir = std::stoul(targetEntryFields[6]) ? 0 : 1; |
| |
| // Only keep the eventData bytes that fit in the record |
| std::array<uint8_t, intel_oem::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}); |
| } |
| else if (recordType >= intel_oem::ipmi::sel::oemTsEventFirst && |
| recordType <= intel_oem::ipmi::sel::oemTsEventLast) |
| { |
| // Get the timestamp |
| std::tm timeStruct = {}; |
| std::istringstream entryStream(targetEntryFields[0]); |
| |
| uint32_t timestamp = ipmi::sel::invalidTimeStamp; |
| if (entryStream >> std::get_time(&timeStruct, "%Y-%m-%dT%H:%M:%S")) |
| { |
| timestamp = std::mktime(&timeStruct); |
| } |
| |
| // Only keep the bytes that fit in the record |
| std::array<uint8_t, intel_oem::ipmi::sel::oemTsEventSize> eventData{}; |
| std::copy_n(eventDataBytes.begin(), |
| std::min(eventDataBytes.size(), eventData.size()), |
| eventData.begin()); |
| |
| return ipmi::responseSuccess(nextRecordID, recordID, recordType, |
| oemTsEventType{timestamp, eventData}); |
| } |
| else if (recordType >= intel_oem::ipmi::sel::oemEventFirst && |
| recordType <= intel_oem::ipmi::sel::oemEventLast) |
| { |
| // Only keep the bytes that fit in the record |
| std::array<uint8_t, intel_oem::ipmi::sel::oemEventSize> eventData{}; |
| std::copy_n(eventDataBytes.begin(), |
| std::min(eventDataBytes.size(), eventData.size()), |
| eventData.begin()); |
| |
| return ipmi::responseSuccess(nextRecordID, recordID, recordType, |
| eventData); |
| } |
| |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| ipmi_ret_t ipmiStorageAddSELEntry(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, |
| ipmi_response_t response, |
| ipmi_data_len_t data_len, |
| ipmi_context_t context) |
| { |
| static constexpr char const* ipmiSELObject = |
| "xyz.openbmc_project.Logging.IPMI"; |
| static constexpr char const* ipmiSELPath = |
| "/xyz/openbmc_project/Logging/IPMI"; |
| static constexpr char const* ipmiSELAddInterface = |
| "xyz.openbmc_project.Logging.IPMI"; |
| static const std::string ipmiSELAddMessage = |
| "IPMI SEL entry logged using IPMI Add SEL Entry command."; |
| uint16_t recordID = 0; |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| |
| if (*data_len != sizeof(AddSELRequest)) |
| { |
| *data_len = 0; |
| return IPMI_CC_REQ_DATA_LEN_INVALID; |
| } |
| AddSELRequest* req = static_cast<AddSELRequest*>(request); |
| |
| // Per the IPMI spec, need to cancel any reservation when a SEL entry is |
| // added |
| cancelSELReservation(); |
| |
| if (req->recordType == intel_oem::ipmi::sel::systemEvent) |
| { |
| std::string sensorPath = |
| getPathFromSensorNumber(req->record.system.sensorNum); |
| std::vector<uint8_t> eventData( |
| req->record.system.eventData, |
| req->record.system.eventData + |
| intel_oem::ipmi::sel::systemEventSize); |
| bool assert = !(req->record.system.eventType & deassertionEvent); |
| uint16_t genId = req->record.system.generatorID; |
| sdbusplus::message::message writeSEL = bus.new_method_call( |
| ipmiSELObject, ipmiSELPath, ipmiSELAddInterface, "IpmiSelAdd"); |
| writeSEL.append(ipmiSELAddMessage, sensorPath, eventData, assert, |
| genId); |
| try |
| { |
| sdbusplus::message::message writeSELResp = bus.call(writeSEL); |
| writeSELResp.read(recordID); |
| } |
| catch (sdbusplus::exception_t& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| *data_len = 0; |
| return IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| } |
| else if (req->recordType >= intel_oem::ipmi::sel::oemTsEventFirst && |
| req->recordType <= intel_oem::ipmi::sel::oemEventLast) |
| { |
| std::vector<uint8_t> eventData; |
| if (req->recordType <= intel_oem::ipmi::sel::oemTsEventLast) |
| { |
| eventData = |
| std::vector<uint8_t>(req->record.oemTs.eventData, |
| req->record.oemTs.eventData + |
| intel_oem::ipmi::sel::oemTsEventSize); |
| } |
| else |
| { |
| eventData = std::vector<uint8_t>( |
| req->record.oem.eventData, |
| req->record.oem.eventData + intel_oem::ipmi::sel::oemEventSize); |
| } |
| sdbusplus::message::message writeSEL = bus.new_method_call( |
| ipmiSELObject, ipmiSELPath, ipmiSELAddInterface, "IpmiSelAddOem"); |
| writeSEL.append(ipmiSELAddMessage, eventData, req->recordType); |
| try |
| { |
| sdbusplus::message::message writeSELResp = bus.call(writeSEL); |
| writeSELResp.read(recordID); |
| } |
| catch (sdbusplus::exception_t& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| *data_len = 0; |
| return IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| } |
| else |
| { |
| *data_len = 0; |
| return IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| *static_cast<uint16_t*>(response) = recordID; |
| *data_len = sizeof(recordID); |
| return IPMI_CC_OK; |
| } |
| |
| 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 |
| intel_oem::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 |
| 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 (sdbusplus::exception_t& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>(e.what()); |
| } |
| |
| return ipmi::responseSuccess(ipmi::sel::eraseComplete); |
| } |
| |
| ipmi::RspType<> ipmiStorageSetSELTime(uint32_t selTime) |
| { |
| // Set SEL Time is not supported |
| return ipmi::responseInvalidCommand(); |
| } |
| |
| void registerStorageFunctions() |
| { |
| // <Get FRU Inventory Area Info> |
| ipmiPrintAndRegister( |
| NETFUN_STORAGE, |
| static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdGetFRUInvAreaInfo), |
| NULL, ipmiStorageGetFRUInvAreaInfo, PRIVILEGE_OPERATOR); |
| |
| // <READ FRU Data> |
| ipmiPrintAndRegister( |
| NETFUN_STORAGE, |
| static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdReadFRUData), NULL, |
| ipmiStorageReadFRUData, PRIVILEGE_OPERATOR); |
| |
| // <WRITE FRU Data> |
| ipmiPrintAndRegister( |
| NETFUN_STORAGE, |
| static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdWriteFRUData), |
| NULL, ipmiStorageWriteFRUData, PRIVILEGE_OPERATOR); |
| |
| // <Get SEL Info> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSelInfo, |
| ipmi::Privilege::Operator, ipmiStorageGetSELInfo); |
| |
| // <Get SEL Entry> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdGetSelEntry, |
| ipmi::Privilege::Operator, ipmiStorageGetSELEntry); |
| |
| // <Add SEL Entry> |
| ipmiPrintAndRegister( |
| NETFUN_STORAGE, |
| static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdAddSEL), NULL, |
| ipmiStorageAddSELEntry, PRIVILEGE_OPERATOR); |
| |
| // <Clear SEL> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdClearSel, ipmi::Privilege::Operator, |
| ipmiStorageClearSEL); |
| |
| // <Set SEL Time> |
| ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnStorage, |
| ipmi::storage::cmdSetSelTime, |
| ipmi::Privilege::Operator, ipmiStorageSetSELTime); |
| } |
| } // namespace storage |
| } // namespace ipmi |