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+/*
+ * 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";
+}
+
+enumeration(DMARequestType, desc="...", default="DMARequestType_NULL") {
+ READ, desc="Memory Read";
+ WRITE, desc="Memory Write";
+ NULL, desc="Invalid";
+}
+
+enumeration(DMAResponseType, desc="...", default="DMAResponseType_NULL") {
+ DATA, desc="DATA read";
+ ACK, desc="ACK write";
+ NULL, desc="Invalid";
+}
+
+structure(DMARequestMsg, desc="...", interface="NetworkMessage") {
+ DMARequestType Type, desc="Request type (read/write)";
+ Address PhysicalAddress, desc="Physical address for this request";
+ Address LineAddress, desc="Line address for this request";
+ MachineID Requestor, desc="Node who initiated the request";
+ NetDest Destination, desc="Destination";
+ DataBlock DataBlk, desc="DataBlk attached to this request";
+ int Len, desc="The length of the request";
+ MessageSizeType MessageSize, desc="size category of the message";
+}
+
+structure(DMAResponseMsg, desc="...", interface="NetworkMessage") {
+ DMAResponseType Type, desc="Response type (DATA/ACK)";
+ Address PhysicalAddress, desc="Physical address for this request";
+ Address LineAddress, desc="Line address for this request";
+ NetDest Destination, desc="Destination";
+ DataBlock DataBlk, desc="DataBlk attached to this request";
+ MessageSizeType MessageSize, desc="size category of the message";
+}