Forward messages for TEE on via an SMC to EL3.
This is needed for memory sharing with Secure World, but can also be
used for indirect messages once they are implemented for Secure World.
Bug: 132429380
Change-Id: I3418fb22d1f9639c130ccad603d3a8ef82d207ad
diff --git a/inc/hf/arch/tee.h b/inc/hf/arch/tee.h
new file mode 100644
index 0000000..709ad37
--- /dev/null
+++ b/inc/hf/arch/tee.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2020 The Hafnium Authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "hf/spci.h"
+
+struct spci_value arch_tee_call(struct spci_value args);