diff --git a/include/CA/tee_client_constants.h b/include/CA/tee_client_constants.h
index 9ddff9b3c4d01d94533ae9355d10e530d1d2b0dc..3b86dcbb7d3f563bdc237c795d3661c70f9fc3cb 100644
--- a/include/CA/tee_client_constants.h
+++ b/include/CA/tee_client_constants.h
@@ -66,6 +66,7 @@ enum TEEC_SharedMemCtl {
     TEEC_MEM_INPUT = 0x1,  /* input type of memroy */
     TEEC_MEM_OUTPUT = 0x2, /* output type of memory */
     TEEC_MEM_INOUT = 0x3,  /* memory is used as both input and output */
+    TEEC_MEM_SHARED_INOUT = 0x4, /* no copy shared memory */
 };
 
 enum TEEC_ParamType {
@@ -79,6 +80,7 @@ enum TEEC_ParamType {
                                        refer TEEC_TempMemoryReference */
     TEEC_ION_INPUT = 0x08,  /* input type of icon memory reference, refer TEEC_IonReference */
     TEEC_ION_SGLIST_INPUT = 0x09, /* input type of ion memory block reference, refer TEEC_IonSglistReference */
+    TEEC_MEMREF_SHARED_INOUT = 0xa, /* no copy mem */
     TEEC_MEMREF_WHOLE = 0xc, /* use whole memory block, refer TEEC_RegisteredMemoryReference */
     TEEC_MEMREF_PARTIAL_INPUT = 0xd, /* input type of memory reference, refer TEEC_RegisteredMemoryReference */
     TEEC_MEMREF_PARTIAL_OUTPUT = 0xe, /* output type of memory reference, refer TEEC_RegisteredMemoryReference */
diff --git a/include/TA/tee_defines.h b/include/TA/tee_defines.h
index 8289c07b6d5f94c119003117a6b6013221249d11..8fa7ada7109d0c85812fee18a6ffd523468e9beb 100755
--- a/include/TA/tee_defines.h
+++ b/include/TA/tee_defines.h
@@ -84,6 +84,7 @@ enum TEE_ParamType {
     TEE_PARAM_TYPE_MEMREF_INOUT     = 0x7,
     TEE_PARAM_TYPE_ION_INPUT        = 0x8,
     TEE_PARAM_TYPE_ION_SGLIST_INPUT = 0x9,
+    TEE_PARAM_TYPE_MEMREF_SHARED_INOUT = 0xa,
 };
 
 #define S_VAR_NOT_USED(variable) \