1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders 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
* OWNER 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.
*/
/*
* $Id: MOSI_directory-msg.sm 1.9 04/08/09 16:11:38-05:00 mikem@maya.cs.wisc.edu $
*
*/
// CoherenceRequestType
enumeration(CoherenceRequestType, desc="...") {
GETX, desc="Get eXclusive";
GETS, desc="Get Shared";
GET_INSTR, desc="Get Instruction";
PUTX, desc="Put eXclusive";
INV, desc="INValidate";
WB_ACK, desc="Write Back ACKnowledgment";
}
// CoherenceResponseType
enumeration(CoherenceResponseType, desc="...") {
ACK, desc="ACKnowledgment";
NACK, desc="Negative ACKnowledgment";
DATA, desc="Data";
}
// RequestMsg
structure(RequestMsg, desc="...", interface="NetworkMessage") {
Address Address, desc="Physical address for this request";
CoherenceRequestType Type, desc="Type of request (GetS, GetX, PutX, etc)";
MachineID Requestor, desc="Node who initiated the request";
NetDest Destination, desc="Multicast destination mask";
DataBlock DataBlk, desc="Data for the cache line (if PUTX)";
int NumPendingAcks, desc="Number of acks to wait for"; // Needed for forwarded responses only
MessageSizeType MessageSize, desc="size category of the message";
}
// ResponseMsg
structure(ResponseMsg, desc="...", interface="NetworkMessage") {
Address Address, desc="Physical address for this request";
CoherenceResponseType Type, desc="Type of response (Ack, Data, etc)";
MachineID Sender, desc="Node who sent the data";
MachineType SenderMachine, desc="What component sent the data";
NetDest Destination, desc="Node to whom the data is sent";
MachineType DestMachine, desc="What component receives the data";
DataBlock DataBlk, desc="data for the cache line";
int NumPendingAcks, desc="Number of acks to wait for";
MessageSizeType MessageSize, desc="size category of the message";
}
|
