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/*
* Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
* All rights reserved.
*
* For use for simulation and test purposes only
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Sooraj Puthoor
*/
#ifndef __MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__
#define __MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__
#include <iostream>
#include "mem/protocol/PrefetchBit.hh"
#include "mem/protocol/RubyAccessMode.hh"
#include "mem/protocol/RubyRequestType.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Consumer.hh"
#include "mem/ruby/system/GPUCoalescer.hh"
#include "mem/ruby/system/RubyPort.hh"
class DataBlock;
class CacheMsg;
class MachineID;
class CacheMemory;
class VIPERCoalescerParams;
class VIPERCoalescer : public GPUCoalescer
{
public:
typedef VIPERCoalescerParams Params;
VIPERCoalescer(const Params *);
~VIPERCoalescer();
void wbCallback(Addr address);
void invCallback(Addr address);
RequestStatus makeRequest(PacketPtr pkt);
private:
void invL1();
void wbL1();
void invwbL1();
uint64_t m_outstanding_inv;
uint64_t m_outstanding_wb;
uint64_t m_max_inv_per_cycle;
uint64_t m_max_wb_per_cycle;
};
#endif //__MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__
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