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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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
+ *
+ * http://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.
+ */
+
+#ifndef TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_
+#define TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_
+
+__BEGIN_DECLS
+
+int trusty_keymaster_connect(void);
+int trusty_keymaster_call(uint32_t cmd, void* in, uint32_t in_size, uint8_t* out,
+ uint32_t* out_size);
+void trusty_keymaster_disconnect(void);
+
+__END_DECLS
+
+#endif // TRUSTY_KEYMASTER_TRUSTY_KEYMASTER_IPC_H_