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diff --git a/src/include/kernel/workitem.H b/src/include/kernel/workitem.H
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+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/kernel/workitem.H $                               */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2016                             */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* 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.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#ifndef __KERNEL_WORKITEM_H
+#define __KERNEL_WORKITEM_H
+
+//The WorkItem class is a generic base class for a work item.
+class KernelWorkItem
+{
+    public:
+        //Virtual operator to be defined by child classes to define proper
+        // behavior in that situation
+        virtual void operator() (void);
+
+        /** Default destructor */
+        virtual ~KernelWorkItem() = default;
+
+        //Next Pointer is needed to be used with the lockfree::Stack container
+        KernelWorkItem* next;
+};
+
+//A work item to be created/executed during a CPU core/thread
+// wakeup scenario
+class CpuWakeupDoorbellWorkItem : public KernelWorkItem
+{
+    public:
+        //Implement operator() function
+        void operator() (void);
+
+        //No data to clean up, use default destructor
+        ~CpuWakeupDoorbellWorkItem() = default;
+};
+
+
+/* TODO RTC 150861
+
+//A work item to be created/executed during an IPC scenario
+class IPCDoorbellWorkItem : public KernelWorkItem
+{
+    public:
+        //Implement operator() function
+        void operator() (void);
+};
+**/
+#endif
+