kfdtest: Add event-based synchronization mechanism to queues

Wait4PacketConsumption now can accept an event to wait all packets subbmitted
to be processed.

Change-Id: I1497b7704e892b04d05811b8d3e4742237c1be57
Signed-off-by: xinhui pan <xinhui.pan@amd.com>

tests/kfdtest/src/SDMAQueue.cpp

@@ -22,6 +22,7 @@
  */
 
 #include "SDMAQueue.hpp"
+#include "SDMAPacket.hpp"
 
 SDMAQueue::SDMAQueue(void) {
      CMD_NOP = 0;
@@ -79,3 +80,14 @@ void SDMAQueue::SubmitPacket() {
     }
 }
 
+void SDMAQueue::Wait4PacketConsumption(HsaEvent *event) {
+    if (event) {
+        PlacePacket(SDMAFencePacket((void*)event->EventData.HWData2, event->EventId));
+
+        PlaceAndSubmitPacket(SDMATrapPacket(event->EventId));
+
+        EXPECT_SUCCESS(hsaKmtWaitOnEvent(event, g_TestTimeOut));
+    } else {
+        BaseQueue::Wait4PacketConsumption();
+    }
+}