feat(smc): add test for vendor-specific service
Add test to check vendor-specific el3 service calls.
Change-Id: I981d1cacec8690f57e51a5f05d51b6e437d1eb6a
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/include/runtime_services/ven_el3_svc.h b/include/runtime_services/ven_el3_svc.h
new file mode 100644
index 0000000..3a61ecd
--- /dev/null
+++ b/include/runtime_services/ven_el3_svc.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef VEN_EL3_SVC_H
+#define VEN_EL3_SVC_H
+
+/*
+ * Definitions related to the Vendor-Specific El3 as per the SMC Calling Convention.
+ */
+
+/* VEN_EL3_SMC_32 0x87000000U */
+/* VEN_EL3_SMC_64 0xC7000000U */
+
+#define VEN_EL3_SVC_UID 0x8700ff01
+/* 0x8700ff02 is reserved */
+#define VEN_EL3_SVC_VERSION 0x8700ff03
+
+#define VEN_EL3_SVC_VERSION_MAJOR 1
+#define VEN_EL3_SVC_VERSION_MINOR 0
+
+#endif /* VEN_EL3_SVC_H */
diff --git a/tftf/tests/runtime_services/el3/query_ven_el3_svc.c b/tftf/tests/runtime_services/el3/query_ven_el3_svc.c
new file mode 100644
index 0000000..0b3b6e3
--- /dev/null
+++ b/tftf/tests/runtime_services/el3/query_ven_el3_svc.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <psci.h>
+#include <smccc.h>
+#include <ven_el3_svc.h>
+#include <tftf_lib.h>
+#include <uuid_utils.h>
+
+/*
+ * Vendor-Specific EL3 UUID as returned by the implementation in the Trusted
+ * Firmware.
+ */
+static const uuid_t armtf_ven_el3_svc_uuid = {
+ {0xb6, 0x01, 0x1d, 0xca},
+ {0x57, 0xc4},
+ {0x40, 0x7e},
+ 0x83, 0xf0,
+ {0xa7, 0xed, 0xda, 0xf0, 0xdf, 0x6c}
+};
+
+/**
+ * @Test_Aim@ Query the Vendor-Specific El3 Service
+ *
+ * This test targets the implementation of the vendor-specific el3 in the Trusted
+ * Firmware. If it is interfaced with a different implementation then this test
+ * will most likely fail because the values returned by the service won't be the
+ * ones expected.
+ *
+ * The following queries are performed:
+ * 1) Call UID
+ * 2) Call count - is reserved and is expected to fail
+ * 3) Call revision details
+ */
+test_result_t test_query_ven_el3_svc(void)
+{
+ smc_args ven_el3_svc_args;
+ smc_ret_values ret;
+ uuid_t ven_el3_svc_uuid;
+ char uuid_str[UUID_STR_SIZE];
+ test_result_t test_result = TEST_RESULT_SUCCESS;
+
+ /* Standard Service Call UID */
+ ven_el3_svc_args.fid = VEN_EL3_SVC_UID;
+ ret = tftf_smc(&ven_el3_svc_args);
+
+ make_uuid_from_4words(&ven_el3_svc_uuid,
+ ret.ret0, ret.ret1, ret.ret2, ret.ret3);
+ if (!uuid_equal(&ven_el3_svc_uuid, &armtf_ven_el3_svc_uuid)) {
+ tftf_testcase_printf("Wrong UUID: expected %s,\n",
+ uuid_to_str(&armtf_ven_el3_svc_uuid, uuid_str));
+ tftf_testcase_printf(" got %s\n",
+ uuid_to_str(&ven_el3_svc_uuid, uuid_str));
+ test_result = TEST_RESULT_FAIL;
+ }
+
+ /*
+ * Standard Service Call Count which is reserved for vendor-specific el3
+ * This will return an unkown smc.
+ */
+ ven_el3_svc_args.fid = VEN_EL3_SVC_UID + 1;
+ ret = tftf_smc(&ven_el3_svc_args);
+
+ if (ret.ret0 != SMC_UNKNOWN) {
+ tftf_testcase_printf("Querying Vendor-Specific el3 service call count"
+ " which is reserved failed\n");
+ test_result = TEST_RESULT_FAIL;
+ }
+
+ /* Vendor-Specific El3 Service Call for version details */
+ ven_el3_svc_args.fid = VEN_EL3_SVC_VERSION;
+ ret = tftf_smc(&ven_el3_svc_args);
+
+ if ((ret.ret0 != VEN_EL3_SVC_VERSION_MAJOR) ||
+ (ret.ret1 != VEN_EL3_SVC_VERSION_MINOR)) {
+ tftf_testcase_printf(
+ "Vendor Specific El3 service reported wrong version: expected {%u.%u}, got {%llu.%llu}\n",
+ VEN_EL3_SVC_VERSION_MAJOR, VEN_EL3_SVC_VERSION_MINOR,
+ (unsigned long long)ret.ret0,
+ (unsigned long long)ret.ret1);
+ test_result = TEST_RESULT_FAIL;
+ }
+
+ return test_result;
+}
diff --git a/tftf/tests/tests-smc.mk b/tftf/tests/tests-smc.mk
index c3058b2..5d86bf6 100644
--- a/tftf/tests/tests-smc.mk
+++ b/tftf/tests/tests-smc.mk
@@ -9,5 +9,6 @@
generic/generic_smc.c \
standard_service/query_std_svc.c \
standard_service/unknown_smc.c \
+ el3/query_ven_el3_svc.c \
)
diff --git a/tftf/tests/tests-smc.xml b/tftf/tests/tests-smc.xml
index 3633118..b66c7a2 100644
--- a/tftf/tests/tests-smc.xml
+++ b/tftf/tests/tests-smc.xml
@@ -19,6 +19,7 @@
<testsuite name="Query runtime services" description="Generic queries as defined by the SMCCC">
<testcase name="Unknown SMC" function="test_unknown_smc" />
<testcase name="Query Standard Service" function="test_query_std_svc" />
+ <testcase name="Query Vendor-Specific Service" function="test_query_ven_el3_svc" />
</testsuite>
</testsuites>