# Node ID 89acf0bcf147baaa21c41bfa0acb7bb86d7185df
# Parent  359d9b3e8dfe8e22884393eab4a2bfa2e47dfdd5
diff --git a/src/mem/request.hh b/src/mem/request.hh
--- a/src/mem/request.hh
+++ b/src/mem/request.hh
@@ -154,6 +154,10 @@
         PF_EXCLUSIVE                = 0x02000000,
         /** The request should be marked as LRU. */
         EVICT_NEXT                  = 0x04000000,
+        /** The request should be marked with ACQUIRE. */
+        ACQUIRE                     = 0x00020000,
+        /** The request should be marked with RELEASE. */
+        RELEASE                     = 0x00040000,
 
         /**
          * The request should be handled by the generic IPR code (only
@@ -655,6 +659,13 @@
     bool isMmappedIpr() const { return _flags.isSet(MMAPPED_IPR); }
     bool isSecure() const { return _flags.isSet(SECURE); }
     bool isPTWalk() const { return _flags.isSet(PT_WALK); }
+    bool isAcquire() const { return _flags.isSet(ACQUIRE); }
+    bool isRelease() const { return _flags.isSet(RELEASE); }
+
+    bool isAcquireRelease() const
+    {
+        return _flags.isSet(RELEASE) && _flags.isSet(ACQUIRE);
+    }
 };
 
 #endif // __MEM_REQUEST_HH__