blob: 42c6104dc45c97fe5f4032a542a72b1d422297df [file] [log] [blame]
/*
// 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