add queue snapshot test

adds api and test to get newly create queue snapshot per ptraced process.

Change-Id: Ife97123a5b930e837ccaa386801145ef23c2cc2c
Signed-off-by: Jonathan Kim <Jonathan.Kim@amd.com>


[ROCm/ROCR-Runtime commit: 8b01a1c4c5]

projects/rocr-runtime/src/debug.c

@@ -287,7 +287,8 @@ static HSAKMT_STATUS debug_trap(HSAuint32 NodeId,
 
 	if (op == KFD_IOC_DBG_TRAP_NODE_SUSPEND ||
 			op == KFD_IOC_DBG_TRAP_NODE_RESUME ||
-			op == KFD_IOC_DBG_TRAP_GET_VERSION) {
+			op == KFD_IOC_DBG_TRAP_GET_VERSION ||
+			op == KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT) {
 		if  (NodeId != INVALID_NODEID)
 			return HSAKMT_STATUS_INVALID_HANDLE;
 
@@ -630,3 +631,37 @@ hsaKmtGetThunkDebugTrapVersionInfo(
 	*Major = KFD_IOCTL_DBG_MAJOR_VERSION;
 	*Minor = KFD_IOCTL_DBG_MINOR_VERSION;
 }
+
+HSAKMT_STATUS
+HSAKMTAPI
+hsaKmtGetQueueSnapshot(
+		HSAuint32	NodeId, //IN
+		HSAuint32	Pid, // IN
+		bool		ClearEvents, //IN
+		void		*SnapshotBuf, //IN
+		HSAuint32	*QssEntries //IN/OUT
+		)
+{
+	HSAKMT_STATUS result;
+	struct kfd_ioctl_dbg_trap_args argout = {0};
+	uint32_t flags = 0;
+
+	if (ClearEvents)
+		flags |= KFD_DBG_EV_FLAG_CLEAR_STATUS;
+
+	result = debug_trap(NodeId,
+			    KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT,
+			    flags,
+			    *QssEntries,
+			    0,
+			    Pid,
+			    (HSAuint64)SnapshotBuf,
+			    &argout);
+
+	if (result)
+		return result;
+
+	*QssEntries = argout.data2;
+
+	return 0;
+}