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-rw-r--r--drivers/tee/optee/optee_smc.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/tee/optee/optee_smc.h b/drivers/tee/optee/optee_smc.h
index 7cd327243ada..bbf0cf028c16 100644
--- a/drivers/tee/optee/optee_smc.h
+++ b/drivers/tee/optee/optee_smc.h
@@ -112,12 +112,20 @@ struct optee_smc_calls_revision_result {
* Trusted OS, not of the API.
*
* Returns revision in a0-1 in the same way as OPTEE_SMC_CALLS_REVISION
- * described above.
+ * described above. May optionally return a 32-bit build identifier in a2,
+ * with zero meaning unspecified.
*/
#define OPTEE_SMC_FUNCID_GET_OS_REVISION OPTEE_MSG_FUNCID_GET_OS_REVISION
#define OPTEE_SMC_CALL_GET_OS_REVISION \
OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_GET_OS_REVISION)
+struct optee_smc_call_get_os_revision_result {
+ unsigned long major;
+ unsigned long minor;
+ unsigned long build_id;
+ unsigned long reserved1;
+};
+
/*
* Call with struct optee_msg_arg as argument
*