src/smbioshandler.cpp - openbmc/intel-ipmi-oem - Gitiles

 /*
 // Copyright (c) 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 <commandutils.hpp>
 #include <cstdint>
 #include <iostream>
 #include <ipmid/api.hpp>
 #include <ipmid/utils.hpp>
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
 #include <smbioshandler.hpp>
 #include <string>
 #include <vector>
 #include <xyz/openbmc_project/Common/error.hpp>

 using InternalFailure =
     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;

 using level = phosphor::logging::level;

 constexpr const char* DBUS_PROPERTIES = "org.freedesktop.DBus.Properties";
 constexpr const char* MDRV1_PATH = "/xyz/openbmc_project/Smbios/MDR_V1";
 constexpr const char* MDRV1_INTERFACE = "xyz.openbmc_project.Smbios.MDR_V1";
 static constexpr const uint8_t ccOemSetInProcess = 0x81;

 static void register_netfn_smbios_functions() __attribute__((constructor));

 ipmi_ret_t cmd_region_status(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)
 {
     auto requestData = reinterpret_cast<const RegionStatusRequest*>(request);
     std::vector<uint8_t> status;

     if (*data_len != sizeof(RegionStatusRequest))
     {
         *data_len = 0;
         return IPMI_CC_REQ_DATA_LEN_INVALID;
     }

     uint8_t regionId = requestData->regionId - 1;
     *data_len = 0;

     if (regionId >= maxMDRId)
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return IPMI_CC_PARM_OUT_OF_RANGE;
     }

     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        MDRV1_INTERFACE, "RegionStatus");
     method.append(regionId);
     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error get region status",
             phosphor::logging::entry("SERVICE=%s", service.c_str()),
             phosphor::logging::entry("PATH=%s", MDRV1_PATH));
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     reply.read(status);

     if (status.size() != sizeof(MDRState))
     {
         phosphor::logging::log<level::ERR>(
             "Error get region status, return length invalid");
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     *data_len = static_cast<size_t>(status.size());
     auto dataOut = reinterpret_cast<uint8_t*>(response);
     std::copy(&status[0], &status[*data_len], dataOut);
     return IPMI_CC_OK;
 }

 int sdplus_mdrv1_get_property(
     const std::string& name,
     sdbusplus::message::variant<uint8_t, uint16_t>& value, std::string& service)
 {
     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        DBUS_PROPERTIES, "Get");
     method.append(MDRV1_INTERFACE, name);
     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error getting property, sdbusplus call failed");
         return -1;
     }
     reply.read(value);

     return 0;
 }

 static int set_regionId(uint8_t regionId, std::string& service)
 {
     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        DBUS_PROPERTIES, "Set");
     sdbusplus::message::variant<uint8_t> value{regionId};
     method.append(MDRV1_INTERFACE, "RegionId", value);
     auto region = bus->call(method);
     if (region.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error setting regionID, sdbusplus call failed");
         return -1;
     }
     return 0;
 }

 /** @brief implements bmc region update Complete command
  *  @param sessionId - session Lock Handle
  *  @param regionId - data Region
  *
  *  @returns IPMI completion code
  */
 ipmi::RspType<> bmcRegionUpdateComplete(uint8_t sessionId, uint8_t regionId)
 {
     std::variant<uint8_t, uint16_t> value;

     if ((regionId >= maxMDRId) || (regionId == 0))
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return ipmi::responseParmOutOfRange();
     }

     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

     uint8_t regionIdLocal = regionId - 1;

     if (regionIdLocal == 0)
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return ipmi::responseParmOutOfRange();
     }
     if (set_regionId(regionIdLocal, service) < 0)
     {
         phosphor::logging::log<level::ERR>("Error setting regionId");
         return ipmi::responseUnspecifiedError();
     }

     if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
     {
         phosphor::logging::log<level::ERR>("Error getting lockPolicy");
         return ipmi::responseUnspecifiedError();
     }
     if (regionLockUnlocked == std::get<uint8_t>(value))
     {
         return ipmi::responseCommandNotAvailable();
     }

     if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
     {
         phosphor::logging::log<level::ERR>("Error getting sessionId");
         return ipmi::responseUnspecifiedError();
     }
     if (sessionId != std::get<uint8_t>(value))
     {
         return ipmi::response(ccOemSetInProcess);
     }

     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        MDRV1_INTERFACE, "RegionComplete");

     method.append(regionIdLocal);

     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error set region complete",
             phosphor::logging::entry("SERVICE=%s", service.c_str()),
             phosphor::logging::entry("PATH=%s", MDRV1_PATH));
         return ipmi::responseUnspecifiedError();
     }
     uint8_t status = 0;
     reply.read(status);

     if (status != 0)
     {
         phosphor::logging::log<level::ERR>(
             "Error set region complete, unexpected error");
         return ipmi::responseUnspecifiedError();
     }

     return ipmi::responseSuccess();
 }

 ipmi_ret_t cmd_region_read(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)
 {
     auto requestData = reinterpret_cast<const RegionReadRequest*>(request);
     auto responseData = reinterpret_cast<RegionReadResponse*>(response);
     sdbusplus::message::variant<uint8_t, uint16_t> regUsedVal;
     sdbusplus::message::variant<uint8_t, uint16_t> lockPolicyVal;
     std::vector<uint8_t> res;

     if (*data_len < sizeof(RegionReadRequest))
     {
         *data_len = 0;
         return IPMI_CC_REQ_DATA_LEN_INVALID;
     }

     uint8_t regionId = requestData->regionId - 1;

     *data_len = 0;

     if (regionId >= maxMDRId)
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return IPMI_CC_PARM_OUT_OF_RANGE;
     }

     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);
     // TODO to make sure the interface can get correct LockPolicy even
     // regionId changed by another task.
     if (set_regionId(regionId, service) < 0)
     {
         phosphor::logging::log<level::ERR>("Error setting regionId");
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     if (0 > sdplus_mdrv1_get_property("RegionUsed", regUsedVal, service))
     {
         phosphor::logging::log<level::ERR>("Error getting regionUsed");
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     if (requestData->offset + requestData->length >
         std::get<uint16_t>(regUsedVal))
     {
         return IPMI_CC_REQ_DATA_LEN_INVALID;
     }

     if (0 > sdplus_mdrv1_get_property("LockPolicy", lockPolicyVal, service))
     {
         phosphor::logging::log<level::ERR>("Error getting lockPolicy");
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     if (regionLockUnlocked != std::get<uint8_t>(lockPolicyVal))
     {
         return IPMI_CC_PARAMETER_NOT_SUPPORT_IN_PRESENT_STATE;
     }

     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        MDRV1_INTERFACE, "RegionRead");

     method.append(regionId, requestData->length, requestData->offset);

     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error read region data",
             phosphor::logging::entry("SERVICE=%s", service.c_str()),
             phosphor::logging::entry("PATH=%s", MDRV1_PATH));
         return IPMI_CC_UNSPECIFIED_ERROR;
     }
     reply.read(res);

     *data_len = responseData->length = res[0];
     responseData->updateCount = res[1];

     if ((*data_len == 0) || (*data_len >= 254))
     {
         phosphor::logging::log<level::ERR>(
             "Data length send from service is invalid");
         *data_len = 0;
         return IPMI_CC_RESPONSE_ERROR;
     }

     *data_len += 2 * sizeof(uint8_t);
     std::copy(&res[2], &res[*data_len], responseData->data);
     return IPMI_CC_OK;
 }

 /** @brief implements bmc region write command
  *  @parameter
  *   - sessionId - session Lock Handle
  *   - regionId - data Region
  *   - length - data Length
  *   - offset - data Offset
  *   - data - data to be written
  *
  *  @returns IPMI completion code plus response data
  *   - writeData - contains data Region, valid Data,
  *                 lock Status, max Region Length, region Used (in bytes)
  */
 ipmi::RspType<std::vector<uint8_t>>
     bmcRegionWrite(uint8_t sessionId, uint8_t regionId, uint8_t length,
                    uint16_t offset, std::vector<uint8_t> data)
 {
     std::variant<uint8_t, uint16_t> value;

     if ((regionId >= maxMDRId) || (regionId == 0))
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return ipmi::responseParmOutOfRange();
     }

     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

     uint8_t regionIdLocal = regionId - 1;

     if (set_regionId(regionIdLocal, service) < 0)
     {
         phosphor::logging::log<level::ERR>("Error setting regionId");
         return ipmi::responseUnspecifiedError();
     }

     if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
     {
         phosphor::logging::log<level::ERR>("Error getting lockPolicy");
         return ipmi::responseUnspecifiedError();
     }
     if (regionLockUnlocked == std::get<uint8_t>(value))
     {
         return ipmi::responseCommandNotAvailable();
     }

     if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
     {
         phosphor::logging::log<level::ERR>("Error getting sessionId");
         return ipmi::responseUnspecifiedError();
     }
     if (sessionId != std::get<uint8_t>(value))
     {
         return ipmi::response(ccOemSetInProcess);
     }

     std::vector<uint8_t> writeData;
     std::copy(data.begin(), data.begin() + length,
               writeData.data() + sizeof(regionIdLocal) + sizeof(length));
     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        MDRV1_INTERFACE, "RegionWrite");

     method.append(writeData);

     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error write region data",
             phosphor::logging::entry("SERVICE=%s", service.c_str()),
             phosphor::logging::entry("PATH=%s", MDRV1_PATH));
         return ipmi::responseUnspecifiedError();
     }
     std::string res;
     reply.read(res);

     if (res == "NoData")
     {
         return ipmi::responseParmOutOfRange();
     }
     else if (res != "Success")
     {
         phosphor::logging::log<level::ERR>(
             "Error write region data, unexpected error");
         return ipmi::responseUnspecifiedError();
     }

     return ipmi::responseSuccess(writeData);
 }

 /** @brief implements bmc region lock command
  *  @parameter
  *   - sessionId - session Lock Handle
  *   - regionId - data Region
  *   - lockPolicy - Lock Type
  *   - msTimeout - timeout. Number of milliseconds allowed before lock is
  * released
  *
  *  @returns IPMI completion code plus response data
  *   - lockResponse - session Lock Handle
  */
 ipmi::RspType<uint8_t> // lockResponse
     bmcRegionLock(uint8_t sessionId, uint8_t regionId, uint8_t lockPolicy,
                   uint16_t msTimeout)
 {
     std::variant<uint8_t, uint16_t> value;

     if ((regionId >= maxMDRId) || (regionId == 0))
     {
         phosphor::logging::log<level::ERR>("Invalid region");
         return ipmi::responseParmOutOfRange();
     }

     std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
     std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

     uint8_t regionIdLocal = regionId - 1;
     if (set_regionId(regionIdLocal, service) < 0)
     {
         phosphor::logging::log<level::ERR>("Error setting regionId");
         return ipmi::responseUnspecifiedError();
     }

     if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
     {
         phosphor::logging::log<level::ERR>("Error getting lockPolicy");
         return ipmi::responseUnspecifiedError();
     }
     if (lockPolicy == regionLockUnlocked)
     {
         if (regionLockUnlocked == std::get<uint8_t>(value))
         {
             return ipmi::responseCommandNotAvailable();
         }
     }
     if (regionLockUnlocked != std::get<uint8_t>(value))
     {
         if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
         {
             phosphor::logging::log<level::ERR>("Error getting sessionId");
             return ipmi::responseUnspecifiedError();
         }
         if (sessionId != std::get<uint8_t>(value))
         {
             if (lockPolicy != regionLockStrict)
             {
                 return ipmi::response(ccOemSetInProcess);
             }
         }
     }
     auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
                                        MDRV1_INTERFACE, "RegionLock");

     method.append(sessionId, regionIdLocal, lockPolicy, msTimeout);

     auto reply = bus->call(method);
     if (reply.is_method_error())
     {
         phosphor::logging::log<level::ERR>(
             "Error lock region ",
             phosphor::logging::entry("SERVICE=%s", service.c_str()),
             phosphor::logging::entry("PATH=%s", MDRV1_PATH));
         return ipmi::responseUnspecifiedError();
     }
     uint8_t lockResponse = 0;
     reply.read(lockResponse);

     return ipmi::responseSuccess(lockResponse);
 }

 static void register_netfn_smbios_functions(void)
 {
     // MDR V1 Command
     // <Get MDR Status Command>
     ipmi_register_callback(NETFUN_INTEL_APP_OEM,
                            IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_STATUS, NULL,
                            cmd_region_status, PRIVILEGE_OPERATOR);

     // <Update Complete Status Command>
     ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
                           IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_COMPLETE,
                           ipmi::Privilege::Operator, bmcRegionUpdateComplete);

     // <Read MDR Command>
     ipmi_register_callback(NETFUN_INTEL_APP_OEM,
                            IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_READ, NULL,
                            cmd_region_read, PRIVILEGE_OPERATOR);

     // <Write MDR Command>
     ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
                           IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_WRITE,
                           ipmi::Privilege::Operator, bmcRegionWrite);

     // <Lock MDR Command>
     ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
                           IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_LOCK,
                           ipmi::Privilege::Operator, bmcRegionLock);
 }
	/*
	// Copyright (c) 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 <commandutils.hpp>
	#include <cstdint>
	#include <iostream>
	#include <ipmid/api.hpp>
	#include <ipmid/utils.hpp>
	#include <phosphor-logging/elog-errors.hpp>
	#include <phosphor-logging/log.hpp>
	#include <smbioshandler.hpp>
	#include <string>
	#include <vector>
	#include <xyz/openbmc_project/Common/error.hpp>

	using InternalFailure =
	sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;

	using level = phosphor::logging::level;

	constexpr const char* DBUS_PROPERTIES = "org.freedesktop.DBus.Properties";
	constexpr const char* MDRV1_PATH = "/xyz/openbmc_project/Smbios/MDR_V1";
	constexpr const char* MDRV1_INTERFACE = "xyz.openbmc_project.Smbios.MDR_V1";
	static constexpr const uint8_t ccOemSetInProcess = 0x81;

	static void register_netfn_smbios_functions() __attribute__((constructor));

	ipmi_ret_t cmd_region_status(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)
	{
	auto requestData = reinterpret_cast<const RegionStatusRequest*>(request);
	std::vector<uint8_t> status;

	if (*data_len != sizeof(RegionStatusRequest))
	{
	*data_len = 0;
	return IPMI_CC_REQ_DATA_LEN_INVALID;
	}

	uint8_t regionId = requestData->regionId - 1;
	*data_len = 0;

	if (regionId >= maxMDRId)
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return IPMI_CC_PARM_OUT_OF_RANGE;
	}

	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	MDRV1_INTERFACE, "RegionStatus");
	method.append(regionId);
	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error get region status",
	phosphor::logging::entry("SERVICE=%s", service.c_str()),
	phosphor::logging::entry("PATH=%s", MDRV1_PATH));
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	reply.read(status);

	if (status.size() != sizeof(MDRState))
	{
	phosphor::logging::log<level::ERR>(
	"Error get region status, return length invalid");
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	*data_len = static_cast<size_t>(status.size());
	auto dataOut = reinterpret_cast<uint8_t*>(response);
	std::copy(&status[0], &status[*data_len], dataOut);
	return IPMI_CC_OK;
	}

	int sdplus_mdrv1_get_property(
	const std::string& name,
	sdbusplus::message::variant<uint8_t, uint16_t>& value, std::string& service)
	{
	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	DBUS_PROPERTIES, "Get");
	method.append(MDRV1_INTERFACE, name);
	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error getting property, sdbusplus call failed");
	return -1;
	}
	reply.read(value);

	return 0;
	}

	static int set_regionId(uint8_t regionId, std::string& service)
	{
	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	DBUS_PROPERTIES, "Set");
	sdbusplus::message::variant<uint8_t> value{regionId};
	method.append(MDRV1_INTERFACE, "RegionId", value);
	auto region = bus->call(method);
	if (region.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error setting regionID, sdbusplus call failed");
	return -1;
	}
	return 0;
	}

	/** @brief implements bmc region update Complete command
	* @param sessionId - session Lock Handle
	* @param regionId - data Region
	*
	* @returns IPMI completion code
	*/
	ipmi::RspType<> bmcRegionUpdateComplete(uint8_t sessionId, uint8_t regionId)
	{
	std::variant<uint8_t, uint16_t> value;

	if ((regionId >= maxMDRId) \|\| (regionId == 0))
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return ipmi::responseParmOutOfRange();
	}

	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

	uint8_t regionIdLocal = regionId - 1;

	if (regionIdLocal == 0)
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return ipmi::responseParmOutOfRange();
	}
	if (set_regionId(regionIdLocal, service) < 0)
	{
	phosphor::logging::log<level::ERR>("Error setting regionId");
	return ipmi::responseUnspecifiedError();
	}

	if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting lockPolicy");
	return ipmi::responseUnspecifiedError();
	}
	if (regionLockUnlocked == std::get<uint8_t>(value))
	{
	return ipmi::responseCommandNotAvailable();
	}

	if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting sessionId");
	return ipmi::responseUnspecifiedError();
	}
	if (sessionId != std::get<uint8_t>(value))
	{
	return ipmi::response(ccOemSetInProcess);
	}

	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	MDRV1_INTERFACE, "RegionComplete");

	method.append(regionIdLocal);

	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error set region complete",
	phosphor::logging::entry("SERVICE=%s", service.c_str()),
	phosphor::logging::entry("PATH=%s", MDRV1_PATH));
	return ipmi::responseUnspecifiedError();
	}
	uint8_t status = 0;
	reply.read(status);

	if (status != 0)
	{
	phosphor::logging::log<level::ERR>(
	"Error set region complete, unexpected error");
	return ipmi::responseUnspecifiedError();
	}

	return ipmi::responseSuccess();
	}

	ipmi_ret_t cmd_region_read(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)
	{
	auto requestData = reinterpret_cast<const RegionReadRequest*>(request);
	auto responseData = reinterpret_cast<RegionReadResponse*>(response);
	sdbusplus::message::variant<uint8_t, uint16_t> regUsedVal;
	sdbusplus::message::variant<uint8_t, uint16_t> lockPolicyVal;
	std::vector<uint8_t> res;

	if (*data_len < sizeof(RegionReadRequest))
	{
	*data_len = 0;
	return IPMI_CC_REQ_DATA_LEN_INVALID;
	}

	uint8_t regionId = requestData->regionId - 1;

	*data_len = 0;

	if (regionId >= maxMDRId)
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return IPMI_CC_PARM_OUT_OF_RANGE;
	}

	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);
	// TODO to make sure the interface can get correct LockPolicy even
	// regionId changed by another task.
	if (set_regionId(regionId, service) < 0)
	{
	phosphor::logging::log<level::ERR>("Error setting regionId");
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	if (0 > sdplus_mdrv1_get_property("RegionUsed", regUsedVal, service))
	{
	phosphor::logging::log<level::ERR>("Error getting regionUsed");
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	if (requestData->offset + requestData->length >
	std::get<uint16_t>(regUsedVal))
	{
	return IPMI_CC_REQ_DATA_LEN_INVALID;
	}

	if (0 > sdplus_mdrv1_get_property("LockPolicy", lockPolicyVal, service))
	{
	phosphor::logging::log<level::ERR>("Error getting lockPolicy");
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	if (regionLockUnlocked != std::get<uint8_t>(lockPolicyVal))
	{
	return IPMI_CC_PARAMETER_NOT_SUPPORT_IN_PRESENT_STATE;
	}

	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	MDRV1_INTERFACE, "RegionRead");

	method.append(regionId, requestData->length, requestData->offset);

	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error read region data",
	phosphor::logging::entry("SERVICE=%s", service.c_str()),
	phosphor::logging::entry("PATH=%s", MDRV1_PATH));
	return IPMI_CC_UNSPECIFIED_ERROR;
	}
	reply.read(res);

	*data_len = responseData->length = res[0];
	responseData->updateCount = res[1];

	if ((data_len == 0) \|\| (data_len >= 254))
	{
	phosphor::logging::log<level::ERR>(
	"Data length send from service is invalid");
	*data_len = 0;
	return IPMI_CC_RESPONSE_ERROR;
	}

	data_len += 2 sizeof(uint8_t);
	std::copy(&res[2], &res[*data_len], responseData->data);
	return IPMI_CC_OK;
	}

	/** @brief implements bmc region write command
	* @parameter
	* - sessionId - session Lock Handle
	* - regionId - data Region
	* - length - data Length
	* - offset - data Offset
	* - data - data to be written
	*
	* @returns IPMI completion code plus response data
	* - writeData - contains data Region, valid Data,
	* lock Status, max Region Length, region Used (in bytes)
	*/
	ipmi::RspType<std::vector<uint8_t>>
	bmcRegionWrite(uint8_t sessionId, uint8_t regionId, uint8_t length,
	uint16_t offset, std::vector<uint8_t> data)
	{
	std::variant<uint8_t, uint16_t> value;

	if ((regionId >= maxMDRId) \|\| (regionId == 0))
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return ipmi::responseParmOutOfRange();
	}

	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

	uint8_t regionIdLocal = regionId - 1;

	if (set_regionId(regionIdLocal, service) < 0)
	{
	phosphor::logging::log<level::ERR>("Error setting regionId");
	return ipmi::responseUnspecifiedError();
	}

	if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting lockPolicy");
	return ipmi::responseUnspecifiedError();
	}
	if (regionLockUnlocked == std::get<uint8_t>(value))
	{
	return ipmi::responseCommandNotAvailable();
	}

	if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting sessionId");
	return ipmi::responseUnspecifiedError();
	}
	if (sessionId != std::get<uint8_t>(value))
	{
	return ipmi::response(ccOemSetInProcess);
	}

	std::vector<uint8_t> writeData;
	std::copy(data.begin(), data.begin() + length,
	writeData.data() + sizeof(regionIdLocal) + sizeof(length));
	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	MDRV1_INTERFACE, "RegionWrite");

	method.append(writeData);

	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error write region data",
	phosphor::logging::entry("SERVICE=%s", service.c_str()),
	phosphor::logging::entry("PATH=%s", MDRV1_PATH));
	return ipmi::responseUnspecifiedError();
	}
	std::string res;
	reply.read(res);

	if (res == "NoData")
	{
	return ipmi::responseParmOutOfRange();
	}
	else if (res != "Success")
	{
	phosphor::logging::log<level::ERR>(
	"Error write region data, unexpected error");
	return ipmi::responseUnspecifiedError();
	}

	return ipmi::responseSuccess(writeData);
	}

	/** @brief implements bmc region lock command
	* @parameter
	* - sessionId - session Lock Handle
	* - regionId - data Region
	* - lockPolicy - Lock Type
	* - msTimeout - timeout. Number of milliseconds allowed before lock is
	* released
	*
	* @returns IPMI completion code plus response data
	* - lockResponse - session Lock Handle
	*/
	ipmi::RspType<uint8_t> // lockResponse
	bmcRegionLock(uint8_t sessionId, uint8_t regionId, uint8_t lockPolicy,
	uint16_t msTimeout)
	{
	std::variant<uint8_t, uint16_t> value;

	if ((regionId >= maxMDRId) \|\| (regionId == 0))
	{
	phosphor::logging::log<level::ERR>("Invalid region");
	return ipmi::responseParmOutOfRange();
	}

	std::shared_ptr<sdbusplus::asio::connection> bus = getSdBus();
	std::string service = ipmi::getService(*bus, MDRV1_INTERFACE, MDRV1_PATH);

	uint8_t regionIdLocal = regionId - 1;
	if (set_regionId(regionIdLocal, service) < 0)
	{
	phosphor::logging::log<level::ERR>("Error setting regionId");
	return ipmi::responseUnspecifiedError();
	}

	if (0 > sdplus_mdrv1_get_property("LockPolicy", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting lockPolicy");
	return ipmi::responseUnspecifiedError();
	}
	if (lockPolicy == regionLockUnlocked)
	{
	if (regionLockUnlocked == std::get<uint8_t>(value))
	{
	return ipmi::responseCommandNotAvailable();
	}
	}
	if (regionLockUnlocked != std::get<uint8_t>(value))
	{
	if (0 > sdplus_mdrv1_get_property("SessionId", value, service))
	{
	phosphor::logging::log<level::ERR>("Error getting sessionId");
	return ipmi::responseUnspecifiedError();
	}
	if (sessionId != std::get<uint8_t>(value))
	{
	if (lockPolicy != regionLockStrict)
	{
	return ipmi::response(ccOemSetInProcess);
	}
	}
	}
	auto method = bus->new_method_call(service.c_str(), MDRV1_PATH,
	MDRV1_INTERFACE, "RegionLock");

	method.append(sessionId, regionIdLocal, lockPolicy, msTimeout);

	auto reply = bus->call(method);
	if (reply.is_method_error())
	{
	phosphor::logging::log<level::ERR>(
	"Error lock region ",
	phosphor::logging::entry("SERVICE=%s", service.c_str()),
	phosphor::logging::entry("PATH=%s", MDRV1_PATH));
	return ipmi::responseUnspecifiedError();
	}
	uint8_t lockResponse = 0;
	reply.read(lockResponse);

	return ipmi::responseSuccess(lockResponse);
	}

	static void register_netfn_smbios_functions(void)
	{
	// MDR V1 Command
	// <Get MDR Status Command>
	ipmi_register_callback(NETFUN_INTEL_APP_OEM,
	IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_STATUS, NULL,
	cmd_region_status, PRIVILEGE_OPERATOR);

	// <Update Complete Status Command>
	ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
	IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_COMPLETE,
	ipmi::Privilege::Operator, bmcRegionUpdateComplete);

	// <Read MDR Command>
	ipmi_register_callback(NETFUN_INTEL_APP_OEM,
	IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_READ, NULL,
	cmd_region_read, PRIVILEGE_OPERATOR);

	// <Write MDR Command>
	ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
	IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_WRITE,
	ipmi::Privilege::Operator, bmcRegionWrite);

	// <Lock MDR Command>
	ipmi::registerHandler(ipmi::prioOemBase, NETFUN_INTEL_APP_OEM,
	IPMI_NETFN_INTEL_OEM_APP_CMD::MDR_LOCK,
	ipmi::Privilege::Operator, bmcRegionLock);
	}