diff --git a/services/spd/trusty/smcall.h b/services/spd/trusty/smcall.h
index a1d91e5..2abcee6 100644
--- a/services/spd/trusty/smcall.h
+++ b/services/spd/trusty/smcall.h
@@ -94,5 +94,6 @@
 
 #define SMC_SC_VDEV_RESET	  SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23)
 #define SMC_SC_VDEV_KICK_VQ	  SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24)
+#define SMC_SC_SET_ROT_PARAMS	  SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535)
 
 #endif /* __LIB_SM_SMCALL_H */