Support Device information for GetOEMDeviceInformation

Currently, it's support only for BIOS info for GetOEMDeviceInformation
IPMI OEM command; now, add getting Device information for it, it's to
get BMC version and Me version numbers from their DBUS properties.

Tested:
It's tested by IPMI OEM command.
ipmitool raw 0x30 0x27 1 10 0
ipmitool raw 0x30 0x27 2 2 0

Change-Id: I6bb4919c961b11f0b8dc33020f8fd5f4b250354b
Signed-off-by: Chen Yugang <yugang.chen@linux.intel.com>
diff --git a/include/appcommands.hpp b/include/appcommands.hpp
new file mode 100644
index 0000000..95d262d
--- /dev/null
+++ b/include/appcommands.hpp
@@ -0,0 +1,36 @@
+/*
+// 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.
+*/
+
+#pragma once
+#include <ipmid/api.hpp>
+namespace ipmi
+{
+
+#pragma pack(push, 1)
+typedef struct
+{
+    std::string platform;
+    uint8_t major;
+    uint8_t minor;
+    uint32_t buildNo;
+    std::string openbmcHash;
+    std::string metaHash;
+} MetaRevision;
+#pragma pack(pop)
+
+extern std::string getActiveSoftwareVersionInfo();
+extern std::optional<MetaRevision> convertIntelVersion(std::string& s);
+} // namespace ipmi
\ No newline at end of file