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+
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ *
+ */
+
+// CoherenceRequestType
+enumeration(CoherenceRequestType, desc="...") {
+ GETX, desc="Get eXclusive";
+ GETS, desc="Get Shared";
+ PUTX, desc="Put eXclusive";
+ PUTO, desc="Put Owned";
+ WB_ACK, desc="Writeback ack";
+ WB_NACK, desc="Writeback neg. ack";
+ INV, desc="Invalidation";
+}
+
+// CoherenceResponseType
+enumeration(CoherenceResponseType, desc="...") {
+ ACK, desc="ACKnowledgment, responder doesn't have a copy";
+ DATA, desc="Data";
+ DATA_EXCLUSIVE_CLEAN, desc="Data, no other processor has a copy, data is clean";
+ DATA_EXCLUSIVE_DIRTY, desc="Data, no other processor has a copy, data is dirty";
+ UNBLOCK, desc="Unblock";
+ UNBLOCK_EXCLUSIVE, desc="Unblock, we're in E/M";
+ WRITEBACK_CLEAN, desc="Clean writeback (no data)";
+ WRITEBACK_DIRTY, desc="Dirty writeback (contains data)";
+}
+
+// TriggerType
+enumeration(TriggerType, desc="...") {
+ ALL_ACKS, 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";
+ int Acks, desc="How many acks to expect";
+ 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 acks to expect";
+ MessageSizeType MessageSize, desc="size category of the message";
+}