diff --git a/components/messaging/ffa/libsp/mock/component.cmake b/components/messaging/ffa/libsp/mock/component.cmake
index eb0d28c..375cb46 100644
--- a/components/messaging/ffa/libsp/mock/component.cmake
+++ b/components/messaging/ffa/libsp/mock/component.cmake
@@ -14,6 +14,7 @@
 	"${CMAKE_CURRENT_LIST_DIR}/mock_ffa_internal_api.cpp"
 	"${CMAKE_CURRENT_LIST_DIR}/mock_sp_discovery.cpp"
 	"${CMAKE_CURRENT_LIST_DIR}/mock_sp_memory_management.cpp"
+	"${CMAKE_CURRENT_LIST_DIR}/mock_sp_messaging.cpp"
 	"${CMAKE_CURRENT_LIST_DIR}/mock_sp_rxtx.cpp"
 	)
 
diff --git a/components/messaging/ffa/libsp/mock/mock_sp_messaging.cpp b/components/messaging/ffa/libsp/mock/mock_sp_messaging.cpp
new file mode 100644
index 0000000..522abb3
--- /dev/null
+++ b/components/messaging/ffa/libsp/mock/mock_sp_messaging.cpp
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ */
+
+#include <CppUTestExt/MockSupport.h>
+#include "mock_sp_messaging.h"
+
+void expect_sp_msg_wait(const struct sp_msg *msg, sp_result result)
+{
+	mock()
+		.expectOneCall("sp_msg_wait")
+		.withOutputParameterReturning("msg", msg, sizeof(*msg))
+		.andReturnValue(result);
+}
+
+sp_result sp_msg_wait(struct sp_msg *msg)
+{
+	return mock()
+		.actualCall("sp_msg_wait")
+		.withOutputParameter("msg", msg)
+		.returnIntValue();
+}
+
+void expect_sp_msg_send_direct_req(const struct sp_msg *req,
+				   const struct sp_msg *resp,
+				   sp_result result)
+{
+	mock()
+		.expectOneCall("sp_msg_send_direct_req")
+		.withMemoryBufferParameter("req", (const unsigned char *)req, sizeof(*req))
+		.withOutputParameterReturning("resp", resp, sizeof(*resp))
+		.andReturnValue(result);
+}
+
+sp_result sp_msg_send_direct_req(const struct sp_msg *req, struct sp_msg *resp)
+{
+	return mock()
+		.actualCall("sp_msg_send_direct_req")
+		.withMemoryBufferParameter("req", (const unsigned char *)req, sizeof(*req))
+		.withOutputParameter("resp", resp)
+		.returnIntValue();
+}
+
+void expect_sp_msg_send_direct_resp(const struct sp_msg *resp,
+				    const struct sp_msg *req,
+				    sp_result result)
+{
+	mock()
+		.expectOneCall("sp_msg_send_direct_resp")
+		.withMemoryBufferParameter("resp", (const unsigned char *)resp, sizeof(*resp))
+		.withOutputParameterReturning("req", req, sizeof(*req))
+		.andReturnValue(result);
+}
+
+sp_result sp_msg_send_direct_resp(const struct sp_msg *resp,
+				  struct sp_msg *req)
+{
+	return mock()
+		.actualCall("sp_msg_send_direct_resp")
+		.withMemoryBufferParameter("resp", (const unsigned char *)resp, sizeof(*resp))
+		.withOutputParameter("req", req)
+		.returnIntValue();
+}
+
+#if FFA_DIRECT_MSG_ROUTING_EXTENSION
+void expect_sp_msg_send_rc_req(const struct sp_msg *req,
+			       const struct sp_msg *resp,
+			       sp_result result)
+{
+	mock()
+		.expectOneCall("sp_msg_send_rc_req")
+		.withMemoryBufferParameter("req", (const unsigned char *)req, sizeof(*req))
+		.withOutputParameterReturning("resp", resp, sizeof(*resp))
+		.andReturnValue(result);
+}
+
+sp_result sp_msg_send_rc_req(const struct sp_msg *req, struct sp_msg *resp)
+{
+	return mock()
+		.actualCall("sp_msg_send_rc_req")
+		.withMemoryBufferParameter("req", (const unsigned char *)req, sizeof(*req))
+		.withOutputParameter("resp", resp)
+		.returnIntValue();
+}
+#endif /* FFA_DIRECT_MSG_ROUTING_EXTENSION */
diff --git a/components/messaging/ffa/libsp/mock/mock_sp_messaging.h b/components/messaging/ffa/libsp/mock/mock_sp_messaging.h
new file mode 100644
index 0000000..8183012
--- /dev/null
+++ b/components/messaging/ffa/libsp/mock/mock_sp_messaging.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright (c) 2022, Arm Limited and Contributors. All rights reserved.
+ */
+
+#ifndef LIBSP_MOCK_MOCK_SP_MESSAGING_H_
+#define LIBSP_MOCK_MOCK_SP_MESSAGING_H_
+
+#include "../include/sp_messaging.h"
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void expect_sp_msg_wait(const struct sp_msg *msg, sp_result result);
+
+
+void expect_sp_msg_send_direct_req(const struct sp_msg *req,
+				   const struct sp_msg *resp,
+				   sp_result result);
+
+
+void expect_sp_msg_send_direct_resp(const struct sp_msg *resp,
+				    const struct sp_msg *req,
+				    sp_result result);
+
+#if FFA_DIRECT_MSG_ROUTING_EXTENSION
+void expect_sp_msg_send_rc_req(const struct sp_msg *req,
+			       const struct sp_msg *resp,
+			       sp_result result);
+#endif /* FFA_DIRECT_MSG_ROUTING_EXTENSION */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LIBSP_MOCK_MOCK_SP_MESSAGING_H_ */
diff --git a/components/messaging/ffa/libsp/mock/test/test_mock_sp_messaging.cpp b/components/messaging/ffa/libsp/mock/test/test_mock_sp_messaging.cpp
new file mode 100644
index 0000000..bfc7959
--- /dev/null
+++ b/components/messaging/ffa/libsp/mock/test/test_mock_sp_messaging.cpp
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ */
+
+#include <CppUTestExt/MockSupport.h>
+#include <CppUTest/TestHarness.h>
+#include "mock_sp_messaging.h"
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+static const struct sp_msg expected_req = {
+	.source_id = 0x0123,
+	.destination_id = 0x4567,
+	.args = {0x89abcdef, 0xfedcba98, 0x76543210, 0xabcdef01}
+};
+static const struct sp_msg expected_resp = {
+	.source_id = 0x1234,
+	.destination_id = 0x5678,
+	.args = {0x9abcdef8, 0xedcba98f, 0x65432107, 0xbcdef01a}
+};
+
+TEST_GROUP(mock_sp_messaging)
+{
+	TEST_SETUP()
+	{
+		memset(&req, 0x00, sizeof(req));
+		memset(&resp, 0x00, sizeof(resp));
+	}
+
+	TEST_TEARDOWN()
+	{
+		mock().checkExpectations();
+		mock().clear();
+	}
+
+	struct sp_msg req;
+	struct sp_msg resp;
+	static const sp_result result = -1;
+};
+
+TEST(mock_sp_messaging, sp_msg_wait)
+{
+	expect_sp_msg_wait(&expected_req, result);
+	LONGS_EQUAL(result, sp_msg_wait(&req));
+	MEMCMP_EQUAL(&expected_req, &req, sizeof(expected_req));
+}
+
+TEST(mock_sp_messaging, sp_msg_send_direct_req)
+{
+	req = expected_req;
+
+	expect_sp_msg_send_direct_req(&expected_req, &expected_resp, result);
+	LONGS_EQUAL(result, sp_msg_send_direct_req(&req, &resp));
+	MEMCMP_EQUAL(&expected_resp, &resp, sizeof(expected_resp));
+}
+
+TEST(mock_sp_messaging, sp_msg_send_direct_resp)
+{
+	resp = expected_resp;
+
+	expect_sp_msg_send_direct_resp(&expected_resp, &expected_req, result);
+	LONGS_EQUAL(result, sp_msg_send_direct_resp(&resp, &req));
+	MEMCMP_EQUAL(&expected_req, &req, sizeof(expected_req));
+}
+
+#if FFA_DIRECT_MSG_ROUTING_EXTENSION
+TEST(mock_sp_messaging, sp_msg_send_rc_req)
+{
+	req = expected_req;
+
+	expect_sp_msg_send_rc_req(&expected_req, &expected_resp, result);
+	LONGS_EQUAL(result, sp_msg_send_rc_req(&req, &resp));
+	MEMCMP_EQUAL(&expected_resp, &resp, sizeof(expected_resp));
+}
+#endif /* FFA_DIRECT_MSG_ROUTING_EXTENSION */
diff --git a/components/messaging/ffa/libsp/tests.cmake b/components/messaging/ffa/libsp/tests.cmake
index 63abb57..eb0b41e 100644
--- a/components/messaging/ffa/libsp/tests.cmake
+++ b/components/messaging/ffa/libsp/tests.cmake
@@ -177,6 +177,20 @@
 )
 
 unit_test_add_suite(
+	NAME libsp_mock_sp_messaging
+	SOURCES
+		${CMAKE_CURRENT_LIST_DIR}/mock/test/test_mock_sp_messaging.cpp
+		${CMAKE_CURRENT_LIST_DIR}/mock/mock_sp_messaging.cpp
+	INCLUDE_DIRECTORIES
+		${CMAKE_CURRENT_LIST_DIR}/include/
+		${CMAKE_CURRENT_LIST_DIR}/mock
+		${UNIT_TEST_PROJECT_PATH}/components/common/utils/include
+	COMPILE_DEFINITIONS
+		-DARM64
+		-DFFA_DIRECT_MSG_ROUTING_EXTENSION=1
+)
+
+unit_test_add_suite(
 	NAME libsp_sp_messaging_with_routing_extension
 	SOURCES
 		${CMAKE_CURRENT_LIST_DIR}/test/test_sp_messaging.cpp