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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 2016,2018 */
/* [+] 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;
};
//A work item to be created/executed during a Master CPU
// wakeup scenario, it will also restore the timebase
// on the threads being woken up
class CpuTbRestoreDoorbellWorkItem : public KernelWorkItem
{
public:
//Implement operator() function
void operator() (void);
//No data to clean up, use default destructor
~CpuTbRestoreDoorbellWorkItem() = default;
};
#endif
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