diff --git a/include/bl32/pnc/pnc.h b/include/bl32/pnc/pnc.h
new file mode 100644
index 0000000..03a3214
--- /dev/null
+++ b/include/bl32/pnc/pnc.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2021-2022, ProvenRun S.A.S. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __PNC_H__
+#define __PNC_H__
+
+#define SMC_YIELD		0xbf000000
+#define SMC_ACTION_FROM_S	0xbf000001
+#define SMC_GET_SHAREDMEM	0xbf000002
+#define SMC_CONFIG_SHAREDMEM	0xbf000003
+#define SMC_ACTION_FROM_NS	0xbf000004
+
+#ifndef __ASSEMBLER__
+
+#include <stdint.h>
+
+void *pncd_context_switch_to(unsigned long security_state);
+int plat_pncd_setup(void);
+uintptr_t plat_pncd_smc_handler(uint32_t smc_fid, u_register_t x1,
+				u_register_t x2, u_register_t x3,
+				u_register_t x4, void *cookie, void *handle,
+				u_register_t flags);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* __PNC_H__ */