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/**
* Copyright © 2019 IBM 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 "config.h"
#include "data_interface.hpp"
#include "util.hpp"
#include <fmt/format.h>
#include <fstream>
#include <phosphor-logging/log.hpp>
#include <xyz/openbmc_project/State/Boot/Progress/server.hpp>
namespace openpower
{
namespace pels
{
namespace service_name
{
constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
constexpr auto vpdManager = "com.ibm.VPD.Manager";
constexpr auto ledGroupManager = "xyz.openbmc_project.LED.GroupManager";
constexpr auto logSetting = "xyz.openbmc_project.Settings";
} // namespace service_name
namespace object_path
{
constexpr auto objectMapper = "/xyz/openbmc_project/object_mapper";
constexpr auto systemInv = "/xyz/openbmc_project/inventory/system";
constexpr auto chassisInv = "/xyz/openbmc_project/inventory/system/chassis";
constexpr auto motherBoardInv =
"/xyz/openbmc_project/inventory/system/chassis/motherboard";
constexpr auto baseInv = "/xyz/openbmc_project/inventory";
constexpr auto bmcState = "/xyz/openbmc_project/state/bmc0";
constexpr auto chassisState = "/xyz/openbmc_project/state/chassis0";
constexpr auto hostState = "/xyz/openbmc_project/state/host0";
constexpr auto pldm = "/xyz/openbmc_project/pldm";
constexpr auto enableHostPELs =
"/xyz/openbmc_project/logging/send_event_logs_to_host";
constexpr auto vpdManager = "/com/ibm/VPD/Manager";
constexpr auto logSetting = "/xyz/openbmc_project/logging/settings";
} // namespace object_path
namespace interface
{
constexpr auto dbusProperty = "org.freedesktop.DBus.Properties";
constexpr auto objectMapper = "xyz.openbmc_project.ObjectMapper";
constexpr auto invAsset = "xyz.openbmc_project.Inventory.Decorator.Asset";
constexpr auto bootProgress = "xyz.openbmc_project.State.Boot.Progress";
constexpr auto pldmRequester = "xyz.openbmc_project.PLDM.Requester";
constexpr auto enable = "xyz.openbmc_project.Object.Enable";
constexpr auto bmcState = "xyz.openbmc_project.State.BMC";
constexpr auto chassisState = "xyz.openbmc_project.State.Chassis";
constexpr auto hostState = "xyz.openbmc_project.State.Host";
constexpr auto invMotherboard =
"xyz.openbmc_project.Inventory.Item.Board.Motherboard";
constexpr auto viniRecordVPD = "com.ibm.ipzvpd.VINI";
constexpr auto vsbpRecordVPD = "com.ibm.ipzvpd.VSBP";
constexpr auto locCode = "com.ibm.ipzvpd.Location";
constexpr auto compatible =
"xyz.openbmc_project.Configuration.IBMCompatibleSystem";
constexpr auto vpdManager = "com.ibm.VPD.Manager";
constexpr auto ledGroup = "xyz.openbmc_project.Led.Group";
constexpr auto operationalStatus =
"xyz.openbmc_project.State.Decorator.OperationalStatus";
constexpr auto logSetting = "xyz.openbmc_project.Logging.Settings";
} // namespace interface
using namespace sdbusplus::xyz::openbmc_project::State::Boot::server;
using sdbusplus::exception::SdBusError;
using namespace phosphor::logging;
std::pair<std::string, std::string>
DataInterfaceBase::extractConnectorFromLocCode(
const std::string& locationCode)
{
auto base = locationCode;
std::string connector{};
auto pos = base.find("-T");
if (pos != std::string::npos)
{
connector = base.substr(pos);
base = base.substr(0, pos);
}
return {base, connector};
}
DataInterface::DataInterface(sdbusplus::bus::bus& bus) : _bus(bus)
{
readBMCFWVersion();
readServerFWVersion();
readBMCFWVersionID();
// Watch the BootProgress property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::hostState, interface::bootProgress, "BootProgress",
*this, [this](const auto& value) {
auto status = Progress::convertProgressStagesFromString(
std::get<std::string>(value));
if ((status == Progress::ProgressStages::SystemInitComplete) ||
(status == Progress::ProgressStages::OSStart) ||
(status == Progress::ProgressStages::OSRunning))
{
setHostUp(true);
}
else
{
setHostUp(false);
}
}));
// Watch the host PEL enable property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::enableHostPELs, interface::enable, "Enabled", *this,
[this](const auto& value) {
this->_sendPELsToHost = std::get<bool>(value);
}));
// Watch the BMCState property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::bmcState, interface::bmcState, "CurrentBMCState",
*this, [this](const auto& value) {
this->_bmcState = std::get<std::string>(value);
}));
// Watch the chassis current and requested power state properties
_properties.emplace_back(std::make_unique<InterfaceWatcher<DataInterface>>(
bus, object_path::chassisState, interface::chassisState, *this,
[this](const auto& properties) {
auto state = properties.find("CurrentPowerState");
if (state != properties.end())
{
this->_chassisState = std::get<std::string>(state->second);
}
auto trans = properties.find("RequestedPowerTransition");
if (trans != properties.end())
{
this->_chassisTransition = std::get<std::string>(trans->second);
}
}));
// Watch the CurrentHostState property
_properties.emplace_back(std::make_unique<PropertyWatcher<DataInterface>>(
bus, object_path::hostState, interface::hostState, "CurrentHostState",
*this, [this](const auto& value) {
this->_hostState = std::get<std::string>(value);
}));
}
DBusPropertyMap
DataInterface::getAllProperties(const std::string& service,
const std::string& objectPath,
const std::string& interface) const
{
DBusPropertyMap properties;
auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
interface::dbusProperty, "GetAll");
method.append(interface);
auto reply = _bus.call(method);
reply.read(properties);
return properties;
}
void DataInterface::getProperty(const std::string& service,
const std::string& objectPath,
const std::string& interface,
const std::string& property,
DBusValue& value) const
{
auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
interface::dbusProperty, "Get");
method.append(interface, property);
auto reply = _bus.call(method);
reply.read(value);
}
DBusPathList DataInterface::getPaths(const DBusInterfaceList& interfaces) const
{
auto method = _bus.new_method_call(
service_name::objectMapper, object_path::objectMapper,
interface::objectMapper, "GetSubTreePaths");
method.append(std::string{"/"}, 0, interfaces);
auto reply = _bus.call(method);
DBusPathList paths;
reply.read(paths);
return paths;
}
DBusService DataInterface::getService(const std::string& objectPath,
const std::string& interface) const
{
auto method = _bus.new_method_call(service_name::objectMapper,
object_path::objectMapper,
interface::objectMapper, "GetObject");
method.append(objectPath, std::vector<std::string>({interface}));
auto reply = _bus.call(method);
std::map<DBusService, DBusInterfaceList> response;
reply.read(response);
if (!response.empty())
{
return response.begin()->first;
}
return std::string{};
}
void DataInterface::readBMCFWVersion()
{
_bmcFWVersion =
phosphor::logging::util::getOSReleaseValue("VERSION").value_or("");
}
void DataInterface::readServerFWVersion()
{
auto value =
phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or("");
if ((value != "") && (value.find_last_of(')') != std::string::npos))
{
std::size_t pos = value.find_first_of('(') + 1;
_serverFWVersion = value.substr(pos, value.find_last_of(')') - pos);
}
}
void DataInterface::readBMCFWVersionID()
{
_bmcFWVersionID =
phosphor::logging::util::getOSReleaseValue("VERSION_ID").value_or("");
}
std::string DataInterface::getMachineTypeModel() const
{
std::string model;
try
{
auto service = getService(object_path::systemInv, interface::invAsset);
if (!service.empty())
{
DBusValue value;
getProperty(service, object_path::systemInv, interface::invAsset,
"Model", value);
model = std::get<std::string>(value);
}
}
catch (const std::exception& e)
{
log<level::WARNING>(fmt::format("Failed reading Model property from "
"Interface: {} exception: {}",
interface::invAsset, e.what())
.c_str());
}
return model;
}
std::string DataInterface::getMachineSerialNumber() const
{
std::string sn;
try
{
auto service = getService(object_path::systemInv, interface::invAsset);
if (!service.empty())
{
DBusValue value;
getProperty(service, object_path::systemInv, interface::invAsset,
"SerialNumber", value);
sn = std::get<std::string>(value);
}
}
catch (const std::exception& e)
{
log<level::WARNING>(
fmt::format("Failed reading SerialNumber property from "
"Interface: {} exception: {}",
interface::invAsset, e.what())
.c_str());
}
return sn;
}
std::string DataInterface::getMotherboardCCIN() const
{
std::string ccin;
try
{
auto service =
getService(object_path::motherBoardInv, interface::viniRecordVPD);
if (!service.empty())
{
DBusValue value;
getProperty(service, object_path::motherBoardInv,
interface::viniRecordVPD, "CC", value);
auto cc = std::get<std::vector<uint8_t>>(value);
ccin = std::string{cc.begin(), cc.end()};
}
}
catch (const std::exception& e)
{
log<level::WARNING>(
fmt::format("Failed reading Motherboard CCIN property from "
"Interface: {} exception: {}",
interface::viniRecordVPD, e.what())
.c_str());
}
return ccin;
}
std::vector<uint8_t> DataInterface::getSystemIMKeyword() const
{
std::vector<uint8_t> systemIM;
try
{
auto service =
getService(object_path::motherBoardInv, interface::vsbpRecordVPD);
if (!service.empty())
{
DBusValue value;
getProperty(service, object_path::motherBoardInv,
interface::vsbpRecordVPD, "IM", value);
systemIM = std::get<std::vector<uint8_t>>(value);
}
}
catch (const std::exception& e)
{
log<level::WARNING>(
fmt::format("Failed reading System IM property from "
"Interface: {} exception: {}",
interface::vsbpRecordVPD, e.what())
.c_str());
}
return systemIM;
}
void DataInterface::getHWCalloutFields(const std::string& inventoryPath,
std::string& fruPartNumber,
std::string& ccin,
std::string& serialNumber) const
{
// For now, attempt to get all of the properties directly on the path
// passed in. In the future, may need to make use of an algorithm
// to figure out which inventory objects actually hold these
// interfaces in the case of non FRUs, or possibly another service
// will provide this info. Any missing interfaces will result
// in exceptions being thrown.
auto service = getService(inventoryPath, interface::viniRecordVPD);
auto properties =
getAllProperties(service, inventoryPath, interface::viniRecordVPD);
auto value = std::get<std::vector<uint8_t>>(properties["FN"]);
fruPartNumber = std::string{value.begin(), value.end()};
value = std::get<std::vector<uint8_t>>(properties["CC"]);
ccin = std::string{value.begin(), value.end()};
value = std::get<std::vector<uint8_t>>(properties["SN"]);
serialNumber = std::string{value.begin(), value.end()};
}
std::string
DataInterface::getLocationCode(const std::string& inventoryPath) const
{
auto service = getService(inventoryPath, interface::locCode);
DBusValue locCode;
getProperty(service, inventoryPath, interface::locCode, "LocationCode",
locCode);
return std::get<std::string>(locCode);
}
std::string
DataInterface::addLocationCodePrefix(const std::string& locationCode)
{
static const std::string locationCodePrefix{"Ufcs-"};
// Technically there are 2 location code prefixes, Ufcs and Umts, so
// if it already starts with a U then don't need to do anything.
if (locationCode.front() != 'U')
{
return locationCodePrefix + locationCode;
}
return locationCode;
}
std::string DataInterface::expandLocationCode(const std::string& locationCode,
uint16_t /*node*/) const
{
// Location codes for connectors are the location code of the FRU they are
// on, plus a '-Tx' segment. Remove this last segment before expanding it
// and then add it back in afterwards. This way, the connector doesn't have
// to be in the model just so that it can be expanded.
auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode);
auto method =
_bus.new_method_call(service_name::vpdManager, object_path::vpdManager,
interface::vpdManager, "GetExpandedLocationCode");
method.append(addLocationCodePrefix(baseLoc), static_cast<uint16_t>(0));
auto reply = _bus.call(method);
std::string expandedLocationCode;
reply.read(expandedLocationCode);
if (!connectorLoc.empty())
{
expandedLocationCode += connectorLoc;
}
return expandedLocationCode;
}
std::string
DataInterface::getInventoryFromLocCode(const std::string& locationCode,
uint16_t node, bool expanded) const
{
std::string methodName = expanded ? "GetFRUsByExpandedLocationCode"
: "GetFRUsByUnexpandedLocationCode";
// Remove the connector segment, if present, so that this method call
// returns an inventory path that getHWCalloutFields() can be used with.
// (The serial number, etc, aren't stored on the connector in the
// inventory, and may not even be modeled.)
auto [baseLoc, connectorLoc] = extractConnectorFromLocCode(locationCode);
auto method =
_bus.new_method_call(service_name::vpdManager, object_path::vpdManager,
interface::vpdManager, methodName.c_str());
if (expanded)
{
method.append(baseLoc);
}
else
{
method.append(addLocationCodePrefix(baseLoc), node);
}
auto reply = _bus.call(method);
std::vector<sdbusplus::message::object_path> entries;
reply.read(entries);
// Get the shortest entry from the paths received, as this
// would be the path furthest up the inventory hierarchy so
// would be the parent FRU. There is guaranteed to at least
// be one entry if the call didn't fail.
std::string shortest{entries[0]};
std::for_each(entries.begin(), entries.end(),
[&shortest](const auto& path) {
if (path.str.size() < shortest.size())
{
shortest = path;
}
});
return shortest;
}
void DataInterface::assertLEDGroup(const std::string& ledGroup,
bool value) const
{
DBusValue variant = value;
auto method =
_bus.new_method_call(service_name::ledGroupManager, ledGroup.c_str(),
interface::dbusProperty, "Set");
method.append(interface::ledGroup, "Asserted", variant);
_bus.call(method);
}
void DataInterface::setFunctional(const std::string& objectPath,
bool value) const
{
DBusValue variant = value;
auto service = getService(objectPath, interface::operationalStatus);
auto method = _bus.new_method_call(service.c_str(), objectPath.c_str(),
interface::dbusProperty, "Set");
method.append(interface::operationalStatus, "Functional", variant);
_bus.call(method);
}
std::vector<std::string> DataInterface::getSystemNames() const
{
DBusSubTree subtree;
DBusValue names;
auto method = _bus.new_method_call(service_name::objectMapper,
object_path::objectMapper,
interface::objectMapper, "GetSubTree");
method.append(std::string{"/"}, 0,
std::vector<std::string>{interface::compatible});
auto reply = _bus.call(method);
reply.read(subtree);
if (subtree.empty())
{
throw std::runtime_error("Compatible interface not on D-Bus");
}
const auto& object = *(subtree.begin());
const auto& path = object.first;
const auto& service = object.second.begin()->first;
getProperty(service, path, interface::compatible, "Names", names);
return std::get<std::vector<std::string>>(names);
}
bool DataInterface::getQuiesceOnError() const
{
bool ret = false;
try
{
auto service =
getService(object_path::logSetting, interface::logSetting);
if (!service.empty())
{
DBusValue value;
getProperty(service, object_path::logSetting, interface::logSetting,
"QuiesceOnHwError", value);
ret = std::get<bool>(value);
}
}
catch (const std::exception& e)
{
log<level::WARNING>(
fmt::format("Failed reading QuiesceOnHwError property from "
"Interface: {} exception: {}",
interface::logSetting, e.what())
.c_str());
}
return ret;
}
} // namespace pels
} // namespace openpower