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authorManish Pandey <manish.pandey2@arm.com>2020-03-27 21:03:21 +0000
committerTrustedFirmware Code Review <review@review.trustedfirmware.org>2020-03-27 21:03:21 +0000
commit73c256051c32b41ebd5aebdb5f07b3253a2f2b27 (patch)
tree16d5c3233bfa583c90c666a9521cd0abf2be3a25
parentf7396b960a16695c09aebbc297b51911297c8a1d (diff)
parent3f14f5ebffbe55fb2c4801d7626cc1b844fc6827 (diff)
downloadtf-a-tests-73c256051c32b41ebd5aebdb5f07b3253a2f2b27.tar.gz
Merge "tftf: spci: probe if SPMC is OP-TEE at S-EL1"
-rw-r--r--tftf/tests/runtime_services/secure_service/test_spci_direct_messaging.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/tftf/tests/runtime_services/secure_service/test_spci_direct_messaging.c b/tftf/tests/runtime_services/secure_service/test_spci_direct_messaging.c
index 7c0e9738..e085226b 100644
--- a/tftf/tests/runtime_services/secure_service/test_spci_direct_messaging.c
+++ b/tftf/tests/runtime_services/secure_service/test_spci_direct_messaging.c
@@ -22,6 +22,11 @@
#define DIRECT_MSG_TEST_PATTERN2 (0xbbbb0000)
#define DIRECT_MSG_TEST_PATTERN3 (0xcccc0000)
+#define OPTEE_SPCI_GET_API_VERSION (0)
+#define OPTEE_SPCI_GET_OS_VERSION (1)
+#define OPTEE_SPCI_GET_OS_VERSION_MAJOR (3)
+#define OPTEE_SPCI_GET_OS_VERSION_MINOR (8)
+
static test_result_t send_receive_direct_msg(unsigned int sp_id,
unsigned int test_pattern)
{
@@ -52,6 +57,49 @@ static test_result_t send_receive_direct_msg(unsigned int sp_id,
return TEST_RESULT_SUCCESS;
}
+/*
+ * check_spmc_execution_level
+ *
+ * Attempt sending impdef protocol messages to OP-TEE through direct messaging.
+ * Criteria for detecting OP-TEE presence is that responses match defined
+ * version values. In the case of SPMC running at S-EL2 (and Cactus instances
+ * running at S-EL1) the response will not match the pre-defined version IDs.
+ *
+ * Returns true if SPMC is probed as being OP-TEE at S-EL1.
+ *
+ */
+static bool check_spmc_execution_level(void)
+{
+ unsigned int is_optee_spmc_criteria = 0;
+ smc_ret_values ret_values;
+
+ /*
+ * Send a first OP-TEE-defined protocol message through
+ * SPCI direct message.
+ *
+ */
+ ret_values = spci_msg_send_direct_req(HYP_ID, SP_ID(1),
+ OPTEE_SPCI_GET_API_VERSION);
+ if ((ret_values.ret3 == SPCI_VERSION_MAJOR) &&
+ (ret_values.ret4 == SPCI_VERSION_MINOR)) {
+ is_optee_spmc_criteria++;
+ }
+
+ /*
+ * Send a second OP-TEE-defined protocol message through
+ * SPCI direct message.
+ *
+ */
+ ret_values = spci_msg_send_direct_req(HYP_ID, SP_ID(1),
+ OPTEE_SPCI_GET_OS_VERSION);
+ if ((ret_values.ret3 == OPTEE_SPCI_GET_OS_VERSION_MAJOR) &&
+ (ret_values.ret4 == OPTEE_SPCI_GET_OS_VERSION_MINOR)) {
+ is_optee_spmc_criteria++;
+ }
+
+ return (is_optee_spmc_criteria == 2);
+}
+
test_result_t test_spci_direct_messaging(void)
{
smc_ret_values ret_values;
@@ -62,6 +110,18 @@ test_result_t test_spci_direct_messaging(void)
**********************************************************************/
SKIP_TEST_IF_SPCI_VERSION_LESS_THAN(0, 9);
+ /* Check if SPMC is OP-TEE at S-EL1 */
+ if (check_spmc_execution_level()) {
+ /* Direct messaging is successfully verified for OP-TEE */
+ return TEST_RESULT_SUCCESS;
+ }
+
+ /*
+ * From this point assume SPMC runs at S-EL2 and two Cactus instances
+ * are loaded at S-EL1.
+ *
+ */
+
/**********************************************************************
* Send a message to SP1 through direct messaging
**********************************************************************/