diff -r f348cf78072c -r ec81887756c4 src/mem/packet.hh
--- a/src/mem/packet.hh	Thu Jan 12 10:15:00 2012 -0500
+++ b/src/mem/packet.hh	Fri Jan 13 05:57:47 2012 -0600
@@ -108,6 +108,7 @@
         // Fake simulator-only commands
         PrintReq,       // Print state matching address
         FlushReq,      //request for a cache flush
+        InvalidationReq,   // request for address to be invalidated from lsq
         NUM_MEM_CMDS
     };
 
diff -r f348cf78072c -r ec81887756c4 src/mem/packet.cc
--- a/src/mem/packet.cc	Thu Jan 12 10:15:00 2012 -0500
+++ b/src/mem/packet.cc	Fri Jan 13 05:57:47 2012 -0600
@@ -168,6 +168,9 @@
     { SET2(IsRequest, IsPrint), InvalidCmd, "PrintReq" },
     /* Flush Request */
     { SET3(IsRequest, IsFlush, NeedsExclusive), InvalidCmd, "FlushReq" },
+    /* Invalidation Request */
+    { SET3(NeedsExclusive, IsInvalidate, IsRequest),
+      InvalidCmd, "InvalidationReq" },
 };
 
 bool