1 files changed, 30 insertions, 2 deletions
diff --git a/src/mem/protocol/MI_example-msg.sm b/src/mem/protocol/MI_example-msg.sm
index f577d60df..56c2e2e01 100644
--- a/src/mem/protocol/MI_example-msg.sm
+++ b/src/mem/protocol/MI_example-msg.sm
@@ -74,7 +74,6 @@ structure(RequestMsg, desc="...", interface="NetworkMessage") {
   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";
   DataBlock DataBlk,           desc="data for the cache line";
   MessageSizeType MessageSize, desc="size category of the message";
 }
@@ -87,6 +86,35 @@ structure(ResponseMsg, desc="...", interface="NetworkMessage") {
   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";
+}
+
+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";
+  NetDest Destination,       desc="Destination";
+  DataBlock DataBlk,         desc="DataBlk attached to this request";
+  int Offset,                desc="The offset into the datablock";
+  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";
+  NetDest Destination,       desc="Destination";
+  DataBlock DataBlk,         desc="DataBlk attached to this request";
   MessageSizeType MessageSize, desc="size category of the message";
 }