src/mem/protocol/Network_test-msg.sm

   1 /*
   2  * Copyright (c) 2009 Advanced Micro Devices, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29
  30 // CoherenceRequestType
  31 enumeration(CoherenceRequestType, desc="...") {
  32   MSG,       desc="Message";
  33 }
  34
  35 // RequestMsg (and also forwarded requests)
  36 structure(RequestMsg, desc="...", interface="NetworkMessage") {
  37   Address Address,             desc="Physical address for this request";
  38   CoherenceRequestType Type,   desc="Type of request (GetS, GetX, PutX, etc)";
  39   MachineID Requestor,            desc="Node who initiated the request";
  40   NetDest Destination,             desc="Multicast destination mask";
  41   DataBlock DataBlk,           desc="data for the cache line";
  42   MessageSizeType MessageSize, desc="size category of the message";
  43 }
  44
  45
  46 enumeration(DMARequestType, desc="...", default="DMARequestType_NULL") {
  47   READ,          desc="Memory Read";
  48   WRITE,         desc="Memory Write";
  49   NULL,          desc="Invalid";
  50 }
  51
  52 enumeration(DMAResponseType, desc="...", default="DMAResponseType_NULL") {
  53   DATA,          desc="DATA read";
  54   ACK,           desc="ACK write";
  55   NULL,          desc="Invalid";
  56 }
  57
  58 structure(DMARequestMsg, desc="...", interface="NetworkMessage") {
  59   DMARequestType Type,       desc="Request type (read/write)";
  60   Address PhysicalAddress,   desc="Physical address for this request";
  61   Address LineAddress,       desc="Line address for this request";
  62   NetDest Destination,       desc="Destination";
  63   DataBlock DataBlk,         desc="DataBlk attached to this request";
  64   int Len,                   desc="The length of the request";
  65   MessageSizeType MessageSize, desc="size category of the message";
  66 }
  67
  68 structure(DMAResponseMsg, desc="...", interface="NetworkMessage") {
  69   DMAResponseType Type,      desc="Response type (DATA/ACK)";
  70   Address PhysicalAddress,   desc="Physical address for this request";
  71   Address LineAddress,       desc="Line address for this request";
  72   NetDest Destination,       desc="Destination";
  73   DataBlock DataBlk,         desc="DataBlk attached to this request";
  74   MessageSizeType MessageSize, desc="size category of the message";
  75 }
  76
  77