87 lines
4.1 KiB
Text
87 lines
4.1 KiB
Text
/*
|
|
* Copyright (c) 1999-2008 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.
|
|
*
|
|
* AMD's contributions to the MOESI hammer protocol do not constitute an
|
|
* endorsement of its similarity to any AMD products.
|
|
*/
|
|
|
|
// CoherenceRequestType
|
|
enumeration(CoherenceRequestType, desc="...") {
|
|
GETX, desc="Get eXclusive";
|
|
GETS, desc="Get Shared";
|
|
PUT, desc="Put Ownership";
|
|
WB_ACK, desc="Writeback ack";
|
|
WB_NACK, desc="Writeback neg. ack";
|
|
}
|
|
|
|
// CoherenceResponseType
|
|
enumeration(CoherenceResponseType, desc="...") {
|
|
ACK, desc="ACKnowledgment, responder does not have a copy";
|
|
ACK_SHARED, desc="ACKnowledgment, responder has a shared copy";
|
|
DATA, desc="Data, responder does not have a copy";
|
|
DATA_SHARED, desc="Data, responder has a shared copy";
|
|
DATA_EXCLUSIVE, desc="Data, responder was exclusive, gave us a copy, and they went to invalid";
|
|
WB_CLEAN, desc="Clean writeback";
|
|
WB_DIRTY, desc="Dirty writeback";
|
|
WB_EXCLUSIVE_CLEAN, desc="Clean writeback of exclusive data";
|
|
WB_EXCLUSIVE_DIRTY, desc="Dirty writeback of exclusive data";
|
|
UNBLOCK, desc="Unblock";
|
|
NULL, desc="Null value";
|
|
}
|
|
|
|
// TriggerType
|
|
enumeration(TriggerType, desc="...") {
|
|
ALL_ACKS, desc="See corresponding event";
|
|
ALL_ACKS_NO_SHARERS, desc="See corresponding event";
|
|
}
|
|
|
|
// TriggerMsg
|
|
structure(TriggerMsg, desc="...", interface="Message") {
|
|
Address Address, desc="Physical address for this request";
|
|
TriggerType Type, desc="Type of trigger";
|
|
}
|
|
|
|
// RequestMsg (and also forwarded requests)
|
|
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";
|
|
MessageSizeType MessageSize, desc="size category of the message";
|
|
}
|
|
|
|
// ResponseMsg (and also unblock requests)
|
|
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";
|
|
NetDest Destination, desc="Node to whom the data is sent";
|
|
DataBlock DataBlk, desc="data for the cache line";
|
|
bool Dirty, desc="Is the data dirty (different than memory)?";
|
|
int Acks, desc="How many messages this counts as";
|
|
MessageSizeType MessageSize, desc="size category of the message";
|
|
}
|