Core: New SPM services API for secure partitions
Add a new API provided by TF-M Core to access SPM
services. PSA RoT services can request SPM-internal
information using this API.
One SPM service is implemented in this change:
An authorization request from platform service to
perform a reset.
Change-Id: I583c5b398fe5ff9dcbf6ac81eaf9fa7e80287625
Signed-off-by: Miklos Balint <miklos.balint@arm.com>
diff --git a/secure_fw/include/tfm_spm_services_api.h b/secure_fw/include/tfm_spm_services_api.h
new file mode 100644
index 0000000..be08ed2
--- /dev/null
+++ b/secure_fw/include/tfm_spm_services_api.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef __TFM_SPM_SERVICES_API_H__
+#define __TFM_SPM_SERVICES_API_H__
+
+enum tfm_spm_request_type_t {
+ TFM_SPM_REQUEST_RESET_VOTE,
+};
+
+/**
+ * \brief Request a vote from SPM on a system reset
+ *
+ * \return Returns 0 if request is accepted, any other value means reject
+ */
+int32_t tfm_spm_request_reset_vote(void);
+
+#endif /* __TFM_SPM_SERVICES_API_H__ */