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/include/commandutils.hpp b/include/commandutils.hpp
new file mode 100644
index 0000000..9835ef8
--- /dev/null
+++ b/include/commandutils.hpp
@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+#pragma once
+#include <iostream>
+#include <sdbusplus/bus.hpp>
+
+static constexpr bool debug = false;
+
+inline static void printRegistration(unsigned int netfn, unsigned int cmd)
+{
+    if constexpr (debug)
+    {
+        std::cout << "Registering NetFn:[0x" << std::hex << std::uppercase
+                  << netfn << "], Cmd:[0x" << cmd << "]\n";
+    }
+}
+
+inline static void ipmiPrintAndRegister(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+                                        ipmi_context_t context,
+                                        ipmid_callback_t handler,
+                                        ipmi_cmd_privilege_t priv)
+{
+    printRegistration(netfn, cmd);
+    ipmi_register_callback(netfn, cmd, context, handler, priv);
+}
+
+inline static void printCommand(unsigned int netfn, unsigned int cmd)
+{
+    if constexpr (debug)
+    {
+        std::cout << "Executing NetFn:[0x" << std::hex << std::uppercase
+                  << netfn << "], Cmd:[0x" << cmd << "]\n";
+    }
+}
+
+namespace ipmi
+{
+using DbusVariant =
+    sdbusplus::message::variant<std::string, bool, uint8_t, uint16_t, int16_t,
+                                uint32_t, int32_t, uint64_t, int64_t, double>;
+} // namespace ipmi