18ebe62598
This patch modifies the Coalescer and VIPER protocol to support memory synchronization requests and write-completion responses that are required by upcoming GCN3 implementation. VIPER protocol is simplified to be a solely write-through protocol. Change-Id: Iccfa3d749a0301172a1cc567c59609bb548dace6 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/29913 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Bradford Beckmann <brad.beckmann@amd.com> Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Bradford Beckmann <brad.beckmann@amd.com> Tested-by: kokoro <noreply+kokoro@google.com>
70 lines
3.1 KiB
Plaintext
70 lines
3.1 KiB
Plaintext
/*
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* Copyright (c) 2020 Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* For use for simulation and test purposes only
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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structure (GPUCoalescer, external = "yes") {
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void readCallback(Addr, DataBlock);
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void readCallback(Addr, MachineType, DataBlock);
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void readCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles);
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void readCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles, bool);
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void writeCallback(Addr, DataBlock);
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void writeCallback(Addr, MachineType, DataBlock);
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void writeCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles);
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void writeCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles, bool);
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void evictionCallback(Addr);
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void recordCPReadCallBack(MachineID, MachineID);
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void recordCPWriteCallBack(MachineID, MachineID);
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}
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structure (VIPERCoalescer, external = "yes") {
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void readCallback(Addr, DataBlock);
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void readCallback(Addr, MachineType, DataBlock);
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void readCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles);
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void readCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles, bool);
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void writeCallback(Addr, DataBlock);
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void writeCallback(Addr, MachineType, DataBlock);
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void writeCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles);
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void writeCallback(Addr, MachineType, DataBlock,
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Cycles, Cycles, Cycles, bool);
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void atomicCallback(Addr, MachineType, DataBlock);
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void invTCPCallback(Addr);
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void writeCompleteCallback(Addr, uint64_t);
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void evictionCallback(Addr);
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}
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