Add dbus service to support MDR V2 ipmi command
Add send and get DataInfo function for MDR V2 ipmi
command store and get data through dbus interface.
Signed-off-by: Cheng C Yang <cheng.c.yang@linux.intel.com>
Change-Id: Ic069e4670e69de1fb92b4123da6be6588ac45244
diff --git a/src/mdrv2.cpp b/src/mdrv2.cpp
new file mode 100644
index 0000000..7568603
--- /dev/null
+++ b/src/mdrv2.cpp
@@ -0,0 +1,241 @@
+/*
+// Copyright (c) 2019 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#include "mdrv2.hpp"
+
+#include <sys/mman.h>
+
+#include <fstream>
+#include <phosphor-logging/elog-errors.hpp>
+#include <sdbusplus/exception.hpp>
+#include <xyz/openbmc_project/Smbios/MDR_V2/error.hpp>
+
+namespace phosphor
+{
+namespace smbios
+{
+
+std::vector<uint8_t> MDR_V2::getDirectoryInformation(uint8_t dirIndex)
+{
+}
+
+bool MDR_V2::smbiosIsAvailForUpdate(uint8_t index)
+{
+ bool ret = false;
+ if (index > maxDirEntries)
+ {
+ return ret;
+ }
+
+ switch (smbiosDir.dir[index].stage)
+ {
+ case MDR2SMBIOSStatusEnum::mdr2Updating:
+ ret = false;
+ break;
+
+ case MDR2SMBIOSStatusEnum::mdr2Init:
+ // This *looks* like there should be a break statement here,
+ // as the effects of the previous statement are a noop given
+ // the following code that this falls through to.
+ // We've elected not to change it, though, since it's been
+ // this way since the old generation, and it would affect
+ // the way the code functions.
+ // If it ain't broke, don't fix it.
+
+ case MDR2SMBIOSStatusEnum::mdr2Loaded:
+ case MDR2SMBIOSStatusEnum::mdr2Updated:
+ if (smbiosDir.dir[index].lock == MDR2DirLockEnum::mdr2DirLock)
+ {
+ ret = false;
+ }
+ else
+ {
+ ret = true;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+std::vector<uint8_t> MDR_V2::getDataOffer()
+{
+ std::vector<uint8_t> offer(sizeof(DataIdStruct));
+ if (smbiosIsAvailForUpdate(0))
+ {
+ std::copy(smbiosDir.dir[0].common.id.dataInfo,
+ &smbiosDir.dir[0].common.id.dataInfo[16], offer.data());
+ }
+ else
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "smbios is not ready for update");
+ throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
+ UpdateInProgress();
+ }
+ return offer;
+}
+
+inline uint8_t MDR_V2::smbiosValidFlag(uint8_t index)
+{
+ FlagStatus ret = FlagStatus::flagIsInvalid;
+ MDR2SMBIOSStatusEnum stage = smbiosDir.dir[index].stage;
+ MDR2DirLockEnum lock = smbiosDir.dir[index].lock;
+
+ switch (stage)
+ {
+ case MDR2SMBIOSStatusEnum::mdr2Loaded:
+ case MDR2SMBIOSStatusEnum::mdr2Updated:
+ if (lock == MDR2DirLockEnum::mdr2DirLock)
+ {
+ ret = FlagStatus::flagIsLocked; // locked
+ }
+ else
+ {
+ ret = FlagStatus::flagIsValid; // valid
+ }
+ break;
+
+ case MDR2SMBIOSStatusEnum::mdr2Updating:
+ case MDR2SMBIOSStatusEnum::mdr2Init:
+ ret = FlagStatus::flagIsInvalid; // invalid
+ break;
+
+ default:
+ break;
+ }
+
+ return static_cast<uint8_t>(ret);
+}
+
+std::vector<uint8_t> MDR_V2::getDataInformation(uint8_t idIndex)
+{
+ std::vector<uint8_t> responseInfo;
+ responseInfo.push_back(mdr2Version);
+
+ if (idIndex >= maxDirEntries)
+ {
+ throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
+ InvalidParameter();
+ }
+
+ for (uint8_t index = 0; index < sizeof(DataIdStruct); index++)
+ {
+ responseInfo.push_back(
+ smbiosDir.dir[idIndex].common.id.dataInfo[index]);
+ }
+ responseInfo.push_back(smbiosValidFlag(idIndex));
+ responseInfo.push_back(smbiosDir.dir[idIndex].common.size);
+ responseInfo.push_back(smbiosDir.dir[idIndex].common.dataVersion);
+ responseInfo.push_back(smbiosDir.dir[idIndex].common.timestamp);
+
+ return responseInfo;
+}
+
+bool MDR_V2::sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex,
+ uint8_t returnedEntries,
+ uint8_t remainingEntries,
+ std::vector<uint8_t> dirEntry)
+{
+}
+
+bool MDR_V2::sendDataInformation(uint8_t idIndex, uint8_t flag,
+ uint32_t dataLen, uint32_t dataVer,
+ uint32_t timeStamp)
+{
+ if (idIndex >= maxDirEntries)
+ {
+ throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
+ InvalidParameter();
+ }
+ int entryChanged = 0;
+ if (smbiosDir.dir[idIndex].common.dataSetSize != dataLen)
+ {
+ entryChanged++;
+ smbiosDir.dir[idIndex].common.dataSetSize = dataLen;
+ }
+
+ if (smbiosDir.dir[idIndex].common.dataVersion != dataVer)
+ {
+ entryChanged++;
+ smbiosDir.dir[idIndex].common.dataVersion = dataVer;
+ }
+
+ if (smbiosDir.dir[idIndex].common.timestamp != timeStamp)
+ {
+ entryChanged++;
+ smbiosDir.dir[idIndex].common.timestamp = timeStamp;
+ }
+ if (entryChanged == 0)
+ {
+ return false;
+ }
+ return true;
+}
+
+int MDR_V2::findIdIndex(std::vector<uint8_t> dataInfo)
+{
+ if (dataInfo.size() != sizeof(DataIdStruct))
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "Length of dataInfo invalid");
+ throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::
+ InvalidParameter();
+ }
+ std::array<uint8_t, 16> arrayDataInfo;
+
+ std::copy(dataInfo.begin(), dataInfo.end(), arrayDataInfo.begin());
+
+ for (int index = 0; index < smbiosDir.dirEntries; index++)
+ {
+ int info = 0;
+ for (; info < arrayDataInfo.size(); info++)
+ {
+ if (arrayDataInfo[info] !=
+ smbiosDir.dir[index].common.id.dataInfo[info])
+ {
+ break;
+ }
+ }
+ if (info == arrayDataInfo.size())
+ {
+ return index;
+ }
+ }
+ throw sdbusplus::xyz::openbmc_project::Smbios::MDR_V2::Error::InvalidId();
+}
+
+uint8_t MDR_V2::directoryEntries(uint8_t value)
+{
+ value = smbiosDir.dirEntries;
+ return sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2::
+ directoryEntries(value);
+}
+
+bool MDR_V2::agentSynchronizeData()
+{
+}
+
+std::vector<uint32_t> MDR_V2::synchronizeDirectoryCommonData(uint8_t idIndex,
+ uint32_t size)
+{
+}
+
+} // namespace smbios
+} // namespace phosphor