VIPERCoalescer.hh revision 11308 
1/*
2 * Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
3 * All rights reserved.
4 *
5 * For use for simulation and test purposes only
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the copyright holder nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 * Author: Sooraj Puthoor
34 */
35
36#ifndef __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
37#define __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
38
39#include <iostream>
40
41#include "mem/protocol/PrefetchBit.hh"
42#include "mem/protocol/RubyAccessMode.hh"
43#include "mem/protocol/RubyRequestType.hh"
44#include "mem/ruby/common/Address.hh"
45#include "mem/ruby/common/Consumer.hh"
46#include "mem/ruby/system/GPUCoalescer.hh"
47#include "mem/ruby/system/RubyPort.hh"
48
49class DataBlock;
50class CacheMsg;
51class MachineID;
52class CacheMemory;
53
54class VIPERCoalescerParams;
55
56class VIPERCoalescer : public GPUCoalescer
57{
58  public:
59    typedef VIPERCoalescerParams Params;
60    VIPERCoalescer(const Params *);
61    ~VIPERCoalescer();
62    void wbCallback(Addr address);
63    void invCallback(Addr address);
64    RequestStatus makeRequest(PacketPtr pkt);
65  private:
66    void invL1();
67    void wbL1();
68    void invwbL1();
69    uint64_t m_outstanding_inv;
70    uint64_t m_outstanding_wb;
71    uint64_t m_max_inv_per_cycle;
72    uint64_t m_max_wb_per_cycle;
73};
74#endif // __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
75
76