| /* |
| // Copyright (c) 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 "xyz/openbmc_project/Common/error.hpp" |
| |
| #include <byteswap.h> |
| |
| #include <appcommands.hpp> |
| #include <ipmid/api.hpp> |
| #include <ipmid/utils.hpp> |
| #include <nlohmann/json.hpp> |
| #include <phosphor-logging/elog-errors.hpp> |
| #include <phosphor-logging/lg2.hpp> |
| #include <phosphor-logging/log.hpp> |
| #include <types.hpp> |
| |
| #include <fstream> |
| #include <regex> |
| |
| using namespace phosphor::logging; |
| using namespace sdbusplus::error::xyz::openbmc_project::common; |
| |
| namespace ipmi |
| { |
| |
| static void registerAPPFunctions() __attribute__((constructor)); |
| |
| static constexpr const char* bmcStateIntf = "xyz.openbmc_project.State.BMC"; |
| static constexpr const char* softwareVerIntf = |
| "xyz.openbmc_project.Software.Version"; |
| static constexpr const char* softwareActivationIntf = |
| "xyz.openbmc_project.Software.Activation"; |
| static constexpr const char* associationIntf = |
| "xyz.openbmc_project.Association"; |
| static constexpr const char* softwareFunctionalPath = |
| "/xyz/openbmc_project/software/functional"; |
| |
| static constexpr const char* currentBmcStateProp = "CurrentBMCState"; |
| static constexpr const char* bmcStateReadyStr = |
| "xyz.openbmc_project.State.BMC.BMCState.Ready"; |
| |
| static std::unique_ptr<sdbusplus::bus::match_t> bmcStateChangedSignal; |
| static uint8_t bmcDeviceBusy = true; |
| |
| int initBMCDeviceState(ipmi::Context::ptr ctx) |
| { |
| DbusObjectInfo objInfo; |
| boost::system::error_code ec = |
| ipmi::getDbusObject(ctx, bmcStateIntf, "/", "bmc0", objInfo); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "initBMCDeviceState: Failed to perform GetSubTree action", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str()), |
| phosphor::logging::entry("INTERFACE=%s", bmcStateIntf)); |
| return -1; |
| } |
| |
| // BMC state may change runtime while doing firmware udpate. |
| // Register for property change signal to update state. |
| bmcStateChangedSignal = std::make_unique<sdbusplus::bus::match_t>( |
| *(ctx->bus), |
| sdbusplus::bus::match::rules::propertiesChanged(objInfo.first, |
| bmcStateIntf), |
| [](sdbusplus::message_t& msg) { |
| std::map<std::string, ipmi::DbusVariant> props; |
| std::vector<std::string> inVal; |
| std::string iface; |
| try |
| { |
| msg.read(iface, props, inVal); |
| } |
| catch (const std::exception& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Exception caught in Get CurrentBMCState"); |
| return; |
| } |
| |
| auto it = props.find(currentBmcStateProp); |
| if (it != props.end()) |
| { |
| std::string* state = std::get_if<std::string>(&it->second); |
| if (state) |
| { |
| bmcDeviceBusy = (*state != bmcStateReadyStr); |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "BMC device state updated"); |
| } |
| } |
| }); |
| |
| std::string bmcState; |
| ec = ipmi::getDbusProperty(ctx, objInfo.second, objInfo.first, bmcStateIntf, |
| currentBmcStateProp, bmcState); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "initBMCDeviceState: Failed to get CurrentBMCState property", |
| phosphor::logging::entry("ERROR=%s", ec.message().c_str())); |
| return -1; |
| } |
| |
| bmcDeviceBusy = (bmcState != bmcStateReadyStr); |
| |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "BMC device state updated"); |
| |
| return 0; |
| } |
| |
| /** |
| * @brief Returns the functional firmware version information. |
| * |
| * It reads the active firmware versions by checking functional |
| * endpoints association and matching the input version purpose string. |
| * ctx[in] - ipmi context. |
| * reqVersionPurpose[in] - Version purpose which need to be read. |
| * version[out] - Output Version string. |
| * |
| * @return Returns '0' on success and '-1' on failure. |
| * |
| */ |
| int getActiveSoftwareVersionInfo(ipmi::Context::ptr ctx, |
| const std::string& reqVersionPurpose, |
| std::string& version) |
| { |
| std::vector<std::string> activeEndPoints; |
| boost::system::error_code ec = ipmi::getDbusProperty( |
| ctx, ipmi::MAPPER_BUS_NAME, softwareFunctionalPath, associationIntf, |
| "endpoints", activeEndPoints); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to get Active firmware version endpoints."); |
| return -1; |
| } |
| |
| for (auto& activeEndPoint : activeEndPoints) |
| { |
| std::string serviceName; |
| ec = ipmi::getService(ctx, softwareActivationIntf, activeEndPoint, |
| serviceName); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to perform getService.", |
| phosphor::logging::entry("OBJPATH=%s", activeEndPoint.c_str())); |
| continue; |
| } |
| |
| PropertyMap propMap; |
| ec = ipmi::getAllDbusProperties(ctx, serviceName, activeEndPoint, |
| softwareVerIntf, propMap); |
| if (ec) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to perform GetAll on Version interface.", |
| phosphor::logging::entry("SERVICE=%s", serviceName.c_str()), |
| phosphor::logging::entry("PATH=%s", activeEndPoint.c_str())); |
| continue; |
| } |
| |
| std::string* purposeProp = |
| std::get_if<std::string>(&propMap["Purpose"]); |
| std::string* versionProp = |
| std::get_if<std::string>(&propMap["Version"]); |
| if (!purposeProp || !versionProp) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to get version or purpose property"); |
| continue; |
| } |
| |
| // Check for requested version information and return if found. |
| if (*purposeProp == reqVersionPurpose) |
| { |
| version = *versionProp; |
| return 0; |
| } |
| } |
| |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "Failed to find version information.", |
| phosphor::logging::entry("PURPOSE=%s", reqVersionPurpose.c_str())); |
| return -1; |
| } |
| |
| // Support both 2 solutions: |
| // 1.Current solution 2.7.0-dev-533-g14dc00e79-5e7d997 |
| // openbmcTag 2.7.0-dev |
| // BuildNo 533 |
| // openbmcHash 14dc00e79 |
| // MetaHasg 5e7d997 |
| // |
| // 2.New solution wht-0.2-3-gab3500-38384ac or wht-2000.2.3-gab3500-38384ac |
| // IdStr wht |
| // Major 0 |
| // Minor 2 |
| // buildNo 3 |
| // MetaHash ab3500 |
| // openbmcHash 38384ac |
| std::optional<MetaRevision> convertIntelVersion(std::string& s) |
| { |
| std::smatch results; |
| MetaRevision rev; |
| std::regex pattern1("(\\d+?).(\\d+?).\\d+?-\\w*?-(\\d+?)-g(\\w+?)-(\\w+?)"); |
| constexpr size_t matchedPhosphor = 6; |
| if (std::regex_match(s, results, pattern1)) |
| { |
| if (results.size() == matchedPhosphor) |
| { |
| rev.platform = "whtref"; |
| rev.major = static_cast<uint8_t>(std::stoi(results[1])); |
| rev.minor = static_cast<uint8_t>(std::stoi(results[2])); |
| rev.buildNo = static_cast<uint32_t>(std::stoi(results[3])); |
| rev.openbmcHash = results[4]; |
| rev.metaHash = results[5]; |
| std::string versionString = |
| rev.platform + ":" + std::to_string(rev.major) + ":" + |
| std::to_string(rev.minor) + ":" + std::to_string(rev.buildNo) + |
| ":" + rev.openbmcHash + ":" + rev.metaHash; |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "Get BMC version", |
| phosphor::logging::entry("VERSION=%s", versionString.c_str())); |
| return rev; |
| } |
| } |
| constexpr size_t matchedIntel = 7; |
| std::regex pattern2("(\\w+?)-(\\d+?).(\\d+?)[-.](\\d+?)-g(\\w+?)-(\\w+?)"); |
| if (std::regex_match(s, results, pattern2)) |
| { |
| if (results.size() == matchedIntel) |
| { |
| rev.platform = results[1]; |
| std::string majorVer = results[2].str(); |
| // Take only the last two digits of the major version |
| rev.major = static_cast<uint8_t>( |
| std::stoi(majorVer.substr(majorVer.size() - 2))); |
| rev.minor = static_cast<uint8_t>(std::stoi(results[3])); |
| rev.buildNo = static_cast<uint32_t>(std::stoi(results[4])); |
| rev.openbmcHash = results[6]; |
| rev.metaHash = results[5]; |
| std::string versionString = |
| rev.platform + ":" + std::to_string(rev.major) + ":" + |
| std::to_string(rev.minor) + ":" + std::to_string(rev.buildNo) + |
| ":" + rev.openbmcHash + ":" + rev.metaHash; |
| phosphor::logging::log<phosphor::logging::level::INFO>( |
| "Get BMC version", |
| phosphor::logging::entry("VERSION=%s", versionString.c_str())); |
| return rev; |
| } |
| } |
| |
| return std::nullopt; |
| } |
| |
| static constexpr size_t uuidLength = 16; |
| static std::array<uint8_t, uuidLength> |
| rfc4122ToIpmiConvesrion(std::string rfc4122) |
| { |
| using Argument = xyz::openbmc_project::common::InvalidArgument; |
| // UUID is in RFC4122 format. Ex: 61a39523-78f2-11e5-9862-e6402cfc3223 |
| // Per IPMI Spec 2.0 need to convert to 16 hex bytes and reverse the byte |
| // order |
| // Ex: 0x2332fc2c40e66298e511f2782395a361 |
| constexpr size_t uuidHexLength = (2 * uuidLength); |
| constexpr size_t uuidRfc4122Length = (uuidHexLength + 4); |
| std::array<uint8_t, uuidLength> uuid; |
| if (rfc4122.size() == uuidRfc4122Length) |
| { |
| rfc4122.erase(std::remove(rfc4122.begin(), rfc4122.end(), '-'), |
| rfc4122.end()); |
| } |
| if (rfc4122.size() != uuidHexLength) |
| { |
| elog<InvalidArgument>(Argument::ARGUMENT_NAME("rfc4122"), |
| Argument::ARGUMENT_VALUE(rfc4122.c_str())); |
| } |
| for (size_t ind = 0; ind < uuidHexLength; ind += 2) |
| { |
| char v[3]; |
| v[0] = rfc4122[ind]; |
| v[1] = rfc4122[ind + 1]; |
| v[2] = 0; |
| size_t err; |
| long b; |
| try |
| { |
| b = std::stoul(v, &err, 16); |
| } |
| catch (const std::exception& e) |
| { |
| elog<InvalidArgument>(Argument::ARGUMENT_NAME("rfc4122"), |
| Argument::ARGUMENT_VALUE(rfc4122.c_str())); |
| } |
| // check that exactly two ascii bytes were converted |
| if (err != 2) |
| { |
| elog<InvalidArgument>(Argument::ARGUMENT_NAME("rfc4122"), |
| Argument::ARGUMENT_VALUE(rfc4122.c_str())); |
| } |
| uuid[uuidLength - (ind / 2) - 1] = static_cast<uint8_t>(b); |
| } |
| return uuid; |
| } |
| |
| ipmi::RspType<std::array<uint8_t, 16>> |
| ipmiAppGetSystemGuid(ipmi::Context::ptr& ctx) |
| { |
| static constexpr auto uuidInterface = "xyz.openbmc_project.Common.UUID"; |
| static constexpr auto uuidProperty = "UUID"; |
| // Get the Inventory object implementing BMC interface |
| ipmi::DbusObjectInfo objectInfo{}; |
| boost::system::error_code ec = |
| ipmi::getDbusObject(ctx, uuidInterface, objectInfo); |
| |
| if (ec.value()) |
| { |
| lg2::error("Failed to locate System UUID object, " |
| "interface: {INTERFACE}, error: {ERROR}", |
| "INTERFACE", uuidInterface, "ERROR", ec.message()); |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| // Read UUID property value from bmcObject |
| // UUID is in RFC4122 format Ex: 61a39523-78f2-11e5-9862-e6402cfc3223 |
| std::string rfc4122Uuid{}; |
| ec = ipmi::getDbusProperty(ctx, objectInfo.second, objectInfo.first, |
| uuidInterface, uuidProperty, rfc4122Uuid); |
| |
| if (ec.value()) |
| { |
| lg2::error("Failed to read System UUID property, " |
| "interface: {INTERFACE}, property: {PROPERTY}, " |
| "error: {ERROR}", |
| "INTERFACE", uuidInterface, "PROPERTY", uuidProperty, |
| "ERROR", ec.message()); |
| return ipmi::responseUnspecifiedError(); |
| } |
| std::array<uint8_t, 16> uuid; |
| try |
| { |
| // convert to IPMI format |
| uuid = rfc4122ToIpmiConvesrion(rfc4122Uuid); |
| } |
| catch (const InvalidArgument& e) |
| { |
| lg2::error("Failed in parsing BMC UUID property, " |
| "interface: {INTERFACE}, property: {PROPERTY}, " |
| "value: {VALUE}, error: {ERROR}", |
| "INTERFACE", uuidInterface, "PROPERTY", uuidProperty, |
| "VALUE", rfc4122Uuid, "ERROR", e); |
| return ipmi::responseUnspecifiedError(); |
| } |
| return ipmi::responseSuccess(uuid); |
| } |
| |
| RspType<uint8_t, // Device ID |
| uint8_t, // Device Revision |
| uint7_t, // Firmware Revision Major |
| bool, // Device available(0=NormalMode,1=DeviceFirmware) |
| uint8_t, // Firmware Revision minor |
| uint8_t, // IPMI version |
| uint8_t, // Additional device support |
| uint24_t, // MFG ID |
| uint16_t, // Product ID |
| uint32_t // AUX info |
| > |
| ipmiAppGetDeviceId(ipmi::Context::ptr ctx) |
| { |
| static struct |
| { |
| uint8_t id; |
| uint8_t revision; |
| uint7_t fwMajor; |
| bool devBusy; |
| uint8_t fwMinor; |
| uint8_t ipmiVer = 2; |
| uint8_t addnDevSupport; |
| uint24_t manufId; |
| uint16_t prodId; |
| uint32_t aux; |
| } devId; |
| static bool fwVerInitialized = false; |
| static bool devIdInitialized = false; |
| static bool bmcStateInitialized = false; |
| const char* filename = "/usr/share/ipmi-providers/dev_id.json"; |
| const char* prodIdFilename = "/var/cache/private/prodID"; |
| if (!fwVerInitialized) |
| { |
| std::string versionString; |
| if (!getActiveSoftwareVersionInfo(ctx, versionPurposeBMC, |
| versionString)) |
| { |
| std::optional<MetaRevision> rev = |
| convertIntelVersion(versionString); |
| if (rev.has_value()) |
| { |
| MetaRevision revision = rev.value(); |
| devId.fwMajor = static_cast<uint7_t>(revision.major); |
| |
| revision.minor = (revision.minor > 99 ? 99 : revision.minor); |
| devId.fwMinor = revision.minor % 10 + |
| (revision.minor / 10) * 16; |
| try |
| { |
| uint32_t hash = std::stoul(revision.metaHash, 0, 16); |
| hash = bswap_32(hash); |
| devId.aux = (revision.buildNo & 0xFF) + (hash & 0xFFFFFF00); |
| fwVerInitialized = true; |
| } |
| catch (const std::exception& e) |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Failed to convert git hash", |
| phosphor::logging::entry("ERROR=%s", e.what())); |
| } |
| } |
| } |
| } |
| |
| if (!devIdInitialized) |
| { |
| std::ifstream devIdFile(filename); |
| if (devIdFile.is_open()) |
| { |
| auto data = nlohmann::json::parse(devIdFile, nullptr, false); |
| if (!data.is_discarded()) |
| { |
| devId.id = data.value("id", 0); |
| devId.revision = data.value("revision", 0); |
| devId.addnDevSupport = data.value("addn_dev_support", 0); |
| devId.manufId = data.value("manuf_id", 0); |
| } |
| else |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Device ID JSON parser failure"); |
| return ipmi::responseUnspecifiedError(); |
| } |
| } |
| else |
| { |
| phosphor::logging::log<phosphor::logging::level::ERR>( |
| "Device ID file not found"); |
| return ipmi::responseUnspecifiedError(); |
| } |
| |
| // Determine the Product ID. Using the DBus system is painfully slow at |
| // boot time. Avoid using DBus to get the Product ID. The Product ID is |
| // stored in a non-volatile file now. The /usr/bin/checkFru.sh script, |
| // run during bootup, will populate the productIdFile. |
| std::fstream prodIdFile(prodIdFilename); |
| if (prodIdFile.is_open()) |
| { |
| std::string id = "0x00"; |
| char* end; |
| prodIdFile.getline(&id[0], id.size() + 1); |
| devId.prodId = std::strtol(&id[0], &end, 0); |
| devIdInitialized = true; |
| } |
| else |
| { |
| // For any exception send out platform id as 0, |
| // and make sure to re-query the device id. |
| devIdInitialized = false; |
| devId.prodId = 0; |
| } |
| } |
| |
| if (!bmcStateInitialized) |
| { |
| if (!initBMCDeviceState(ctx)) |
| { |
| bmcStateInitialized = true; |
| } |
| } |
| |
| return ipmi::responseSuccess( |
| devId.id, devId.revision, devId.fwMajor, bmcDeviceBusy, devId.fwMinor, |
| devId.ipmiVer, devId.addnDevSupport, devId.manufId, devId.prodId, |
| devId.aux); |
| } |
| |
| static void registerAPPFunctions(void) |
| { |
| // <Get Device ID> |
| registerHandler(prioOemBase, netFnApp, app::cmdGetDeviceId, Privilege::User, |
| ipmiAppGetDeviceId); |
| // <Get System GUID> |
| registerHandler(prioOemBase, netFnApp, app::cmdGetSystemGuid, |
| Privilege::User, ipmiAppGetSystemGuid); |
| } |
| |
| } // namespace ipmi |