Adding FB OEM commands
Added Facebook OEM IPMI commands for Host as welll as IPMB with
ME and debug card
Change-Id: I794b0a293bec1416ca409e8a269cd34b81c592a8
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
diff --git a/src/storagecommands.cpp b/src/storagecommands.cpp
new file mode 100644
index 0000000..acb7fee
--- /dev/null
+++ b/src/storagecommands.cpp
@@ -0,0 +1,841 @@
+/*
+ * Copyright (c) 2018 Intel Corporation.
+ * Copyright (c) 2018-present Facebook.
+ *
+ * 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 <ipmid/api.h>
+
+#include <boost/container/flat_map.hpp>
+#include <commandutils.hpp>
+#include <iostream>
+#include <phosphor-ipmi-host/utils.hpp>
+#include <phosphor-logging/log.hpp>
+#include <sdbusplus/message/types.hpp>
+#include <sdbusplus/timer.hpp>
+#include <sensorutils.hpp>
+#include <storagecommands.hpp>
+
+namespace ipmi
+{
+
+namespace storage
+{
+void registerStorageFunctions() __attribute__((constructor));
+
+constexpr static const size_t maxMessageSize = 64;
+constexpr static const size_t maxFruSdrNameSize = 16;
+static constexpr int sensorMapUpdatePeriod = 2;
+using SensorMap = std::map<std::string, std::map<std::string, DbusVariant>>;
+namespace variant_ns = sdbusplus::message::variant_ns;
+
+using ManagedObjectSensor =
+ std::map<sdbusplus::message::object_path,
+ std::map<std::string, std::map<std::string, DbusVariant>>>;
+
+static uint16_t sdrReservationID;
+
+static boost::container::flat_map<std::string, ManagedObjectSensor> SensorCache;
+static SensorSubTree sensorTree;
+
+void registerSensorFunctions() __attribute__((constructor));
+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;
+
+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;
+
+static sdbusplus::bus::bus dbus(ipmid_get_sd_bus_connection());
+
+static bool getSensorMap(std::string sensorConnection, std::string sensorPath,
+ SensorMap &sensorMap)
+{
+ static boost::container::flat_map<
+ std::string, std::chrono::time_point<std::chrono::steady_clock>>
+ updateTimeMap;
+
+ auto updateFind = updateTimeMap.find(sensorConnection);
+ auto lastUpdate = std::chrono::time_point<std::chrono::steady_clock>();
+ if (updateFind != updateTimeMap.end())
+ {
+ lastUpdate = updateFind->second;
+ }
+
+ auto now = std::chrono::steady_clock::now();
+
+ if (std::chrono::duration_cast<std::chrono::seconds>(now - lastUpdate)
+ .count() > sensorMapUpdatePeriod)
+ {
+ updateTimeMap[sensorConnection] = now;
+
+ auto managedObj = dbus.new_method_call(
+ sensorConnection.c_str(), "/", "org.freedesktop.DBus.ObjectManager",
+ "GetManagedObjects");
+
+ ManagedObjectSensor managedObjects;
+ try
+ {
+ auto reply = dbus.call(managedObj);
+ reply.read(managedObjects);
+ }
+ catch (sdbusplus::exception_t &)
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "Error getting managed objects from connection",
+ phosphor::logging::entry("CONNECTION=%s",
+ sensorConnection.c_str()));
+ return false;
+ }
+
+ SensorCache[sensorConnection] = managedObjects;
+ }
+ auto connection = SensorCache.find(sensorConnection);
+ if (connection == SensorCache.end())
+ {
+ return false;
+ }
+ auto path = connection->second.find(sensorPath);
+ if (path == connection->second.end())
+ {
+ return false;
+ }
+ sensorMap = path->second;
+
+ return true;
+}
+
+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;
+ // Need to revise this strategy for dev id
+ /*
+ 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 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.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;
+}
+
+ipmi_ret_t ipmiStorageReserveSDR(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)
+{
+ printCommand(+netfn, +cmd);
+
+ if (*dataLen)
+ {
+ *dataLen = 0;
+ return IPMI_CC_REQ_DATA_LEN_INVALID;
+ }
+ *dataLen = 0; // default to 0 in case of an error
+ sdrReservationID++;
+ if (sdrReservationID == 0)
+ {
+ sdrReservationID++;
+ }
+ *dataLen = 2;
+ auto resp = static_cast<uint8_t *>(response);
+ resp[0] = sdrReservationID & 0xFF;
+ resp[1] = sdrReservationID >> 8;
+
+ return IPMI_CC_OK;
+}
+
+ipmi_ret_t ipmiStorageGetSDR(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)
+{
+ printCommand(+netfn, +cmd);
+
+ if (*dataLen != 6)
+ {
+ *dataLen = 0;
+ return IPMI_CC_REQ_DATA_LEN_INVALID;
+ }
+ auto requestedSize = *dataLen;
+ *dataLen = 0; // default to 0 in case of an error
+
+ constexpr uint16_t lastRecordIndex = 0xFFFF;
+ auto req = static_cast<GetSDRReq *>(request);
+
+ // reservation required for partial reads with non zero offset into
+ // record
+ if ((sdrReservationID == 0 || req->reservationID != sdrReservationID) &&
+ req->offset)
+ {
+ return IPMI_CC_INVALID_RESERVATION_ID;
+ }
+
+ if (sensorTree.empty() && !getSensorSubtree(sensorTree))
+ {
+ return IPMI_CC_RESPONSE_ERROR;
+ }
+
+ size_t fruCount = 0;
+ ipmi_ret_t ret = ipmi::storage::getFruSdrCount(fruCount);
+ if (ret != IPMI_CC_OK)
+ {
+ return ret;
+ }
+
+ size_t lastRecord = sensorTree.size() + fruCount - 1;
+ if (req->recordID == lastRecordIndex)
+ {
+ req->recordID = lastRecord;
+ }
+ if (req->recordID > lastRecord)
+ {
+ return IPMI_CC_INVALID_FIELD_REQUEST;
+ }
+
+ uint16_t nextRecord =
+ lastRecord > (req->recordID + 1) ? req->recordID + 1 : 0XFFFF;
+
+ auto responseClear = static_cast<uint8_t *>(response);
+ std::fill(responseClear, responseClear + requestedSize, 0);
+
+ auto resp = static_cast<get_sdr::GetSdrResp *>(response);
+ resp->next_record_id_lsb = nextRecord & 0xFF;
+ resp->next_record_id_msb = nextRecord >> 8;
+
+ if (req->recordID >= sensorTree.size())
+ {
+ size_t fruIndex = req->recordID - sensorTree.size();
+ if (fruIndex >= fruCount)
+ {
+ return IPMI_CC_INVALID_FIELD_REQUEST;
+ }
+ get_sdr::SensorDataFruRecord data;
+ if (req->offset > sizeof(data))
+ {
+ return IPMI_CC_INVALID_FIELD_REQUEST;
+ }
+ ret = ipmi::storage::getFruSdrs(fruIndex, data);
+ if (ret != IPMI_CC_OK)
+ {
+ return ret;
+ }
+ data.header.record_id_msb = req->recordID << 8;
+ data.header.record_id_lsb = req->recordID & 0xFF;
+ if (sizeof(data) < (req->offset + req->bytesToRead))
+ {
+ req->bytesToRead = sizeof(data) - req->offset;
+ }
+ *dataLen = req->bytesToRead + 2; // next record
+ std::memcpy(&resp->record_data, (char *)&data + req->offset,
+ req->bytesToRead);
+ return IPMI_CC_OK;
+ }
+
+ std::string connection;
+ std::string path;
+ uint16_t sensorIndex = req->recordID;
+ for (const auto &sensor : sensorTree)
+ {
+ if (sensorIndex-- == 0)
+ {
+ if (!sensor.second.size())
+ {
+ return IPMI_CC_RESPONSE_ERROR;
+ }
+ connection = sensor.second.begin()->first;
+ path = sensor.first;
+ break;
+ }
+ }
+
+ SensorMap sensorMap;
+ if (!getSensorMap(connection, path, sensorMap))
+ {
+ return IPMI_CC_RESPONSE_ERROR;
+ }
+ uint8_t sensornumber = (req->recordID & 0xFF);
+ get_sdr::SensorDataFullRecord record = {0};
+
+ record.header.record_id_msb = req->recordID << 8;
+ record.header.record_id_lsb = req->recordID & 0xFF;
+ record.header.sdr_version = ipmiSdrVersion;
+ record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD;
+ record.header.record_length = sizeof(get_sdr::SensorDataFullRecord) -
+ sizeof(get_sdr::SensorDataRecordHeader);
+ record.key.owner_id = 0x20;
+ record.key.owner_lun = 0x0;
+ record.key.sensor_number = sensornumber;
+
+ record.body.entity_id = 0x0;
+ record.body.entity_instance = 0x01;
+ record.body.sensor_capabilities = 0x60; // auto rearm - todo hysteresis
+ record.body.sensor_type = getSensorTypeFromPath(path);
+ std::string type = getSensorTypeStringFromPath(path);
+ auto typeCstr = type.c_str();
+ auto findUnits = sensorUnits.find(typeCstr);
+ if (findUnits != sensorUnits.end())
+ {
+ record.body.sensor_units_2_base =
+ static_cast<uint8_t>(findUnits->second);
+ } // else default 0x0 unspecified
+
+ record.body.event_reading_type = getSensorEventTypeFromPath(path);
+
+ auto sensorObject = sensorMap.find("xyz.openbmc_project.Sensor.Value");
+ if (sensorObject == sensorMap.end())
+ {
+ return IPMI_CC_RESPONSE_ERROR;
+ }
+
+ auto maxObject = sensorObject->second.find("MaxValue");
+ auto minObject = sensorObject->second.find("MinValue");
+ double max = 128;
+ double min = -127;
+ if (maxObject != sensorObject->second.end())
+ {
+ max = variant_ns::visit(VariantToDoubleVisitor(), maxObject->second);
+ }
+
+ if (minObject != sensorObject->second.end())
+ {
+ min = variant_ns::visit(VariantToDoubleVisitor(), minObject->second);
+ }
+
+ int16_t mValue;
+ int8_t rExp;
+ int16_t bValue;
+ int8_t bExp;
+ bool bSigned;
+
+ if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned))
+ {
+ return IPMI_CC_RESPONSE_ERROR;
+ }
+
+ // apply M, B, and exponents, M and B are 10 bit values, exponents are 4
+ record.body.m_lsb = mValue & 0xFF;
+
+ // move the smallest bit of the MSB into place (bit 9)
+ // the MSbs are bits 7:8 in m_msb_and_tolerance
+ uint8_t mMsb = (mValue & (1 << 8)) > 0 ? (1 << 6) : 0;
+
+ // assign the negative
+ if (mValue < 0)
+ {
+ mMsb |= (1 << 7);
+ }
+ record.body.m_msb_and_tolerance = mMsb;
+
+ record.body.b_lsb = bValue & 0xFF;
+
+ // move the smallest bit of the MSB into place
+ // the MSbs are bits 7:8 in b_msb_and_accuracy_lsb
+ uint8_t bMsb = (bValue & (1 << 8)) > 0 ? (1 << 6) : 0;
+
+ // assign the negative
+ if (bValue < 0)
+ {
+ bMsb |= (1 << 7);
+ }
+ record.body.b_msb_and_accuracy_lsb = bMsb;
+
+ record.body.r_b_exponents = bExp & 0x7;
+ if (bExp < 0)
+ {
+ record.body.r_b_exponents |= 1 << 3;
+ }
+ record.body.r_b_exponents = (rExp & 0x7) << 4;
+ if (rExp < 0)
+ {
+ record.body.r_b_exponents |= 1 << 7;
+ }
+
+ // todo fill out rest of units
+ if (bSigned)
+ {
+ record.body.sensor_units_1 = 1 << 7;
+ }
+
+ // populate sensor name from path
+ std::string name;
+ size_t nameStart = path.rfind("/");
+ if (nameStart != std::string::npos)
+ {
+ name = path.substr(nameStart + 1, std::string::npos - nameStart);
+ }
+
+ std::replace(name.begin(), name.end(), '_', ' ');
+ if (name.size() > FULL_RECORD_ID_STR_MAX_LENGTH)
+ {
+ name.resize(FULL_RECORD_ID_STR_MAX_LENGTH);
+ }
+ record.body.id_string_info = name.size();
+ std::strncpy(record.body.id_string, name.c_str(),
+ sizeof(record.body.id_string));
+
+ if (sizeof(get_sdr::SensorDataFullRecord) <
+ (req->offset + req->bytesToRead))
+ {
+ req->bytesToRead = sizeof(get_sdr::SensorDataFullRecord) - req->offset;
+ }
+
+ *dataLen =
+ 2 + req->bytesToRead; // bytesToRead + MSB and LSB of next record id
+
+ std::memcpy(&resp->record_data, (char *)&record + req->offset,
+ req->bytesToRead);
+
+ return IPMI_CC_OK;
+}
+
+void registerStorageFunctions()
+{
+ // <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);
+
+ // <Reserve SDR Repo>
+ ipmiPrintAndRegister(
+ NETFUN_STORAGE,
+ static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdReserveSDR),
+ nullptr, ipmiStorageReserveSDR, PRIVILEGE_USER);
+
+ // <Get Sdr>
+ ipmiPrintAndRegister(
+ NETFUN_STORAGE,
+ static_cast<ipmi_cmd_t>(IPMINetfnStorageCmds::ipmiCmdGetSDR), nullptr,
+ ipmiStorageGetSDR, PRIVILEGE_USER);
+ return;
+}
+} // namespace storage
+} // namespace ipmi