Add some header files of MDR

To start the work of ManagedDataRegion, add some header files to
the repo.

Signed-off-by: Cheng C Yang <cheng.c.yang@linux.intel.com>
Change-Id: I9dfad809d47f37f04ca6b8a7ca2e809cae79c012
diff --git a/include/smbios.hpp b/include/smbios.hpp
new file mode 100644
index 0000000..b39229d
--- /dev/null
+++ b/include/smbios.hpp
@@ -0,0 +1,68 @@
+/*
+// 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 <array>
+
+static constexpr uint16_t smbiosAgentId = 0x0101;
+static constexpr int smbiosDirIndex = 0;
+static constexpr int firstAgentIndex = 1;
+static constexpr uint8_t maxDirEntries = 4;
+static constexpr uint32_t pageMask = 0xf000;
+static constexpr uint8_t smbiosAgentVersion = 1;
+static constexpr uint32_t defaultTimeout = 20000;
+static constexpr uint32_t smbiosTableVersion = 15;
+static constexpr uint32_t smbiosSMMemoryOffset = 0;
+static constexpr uint32_t smbiosSMMemorySize = 1024 * 1024;
+static constexpr uint32_t smbiosTableTimestamp = 0x45464748;
+static constexpr uint32_t smbiosTableStorageSize = 64 * 1024;
+static constexpr const char* smbiosPath = "/var/lib/smbios";
+
+enum class DirDataRequestEnum
+{
+    dirDataNotRequested = 0x00,
+    dirDataRequested = 0x01
+};
+
+enum class FlagStatus
+{
+    flagIsInvalid = 0,
+    flagIsValid = 1,
+    flagIsLocked = 2
+};
+
+typedef enum
+{
+    biosType = 0,
+    systemType = 1,
+    baseboardType = 2,
+    chassisType = 3,
+    processorsType = 4,
+    memoryControllerType = 5,
+    memoryModuleInformationType = 6,
+    cacheType = 7,
+    portConnectorType = 8,
+    systemSlots = 9,
+    onBoardDevicesType = 10,
+    oemStringsType = 11,
+    systemCconfigurationOptionsType = 12,
+    biosLanguageType = 13,
+    groupAssociatonsType = 14,
+    systemEventLogType = 15,
+    physicalMemoryArrayType = 16,
+    memoryDeviceType = 17,
+} SmbiosType;