1 files changed, 50 insertions, 0 deletions
diff --git a/services/std_svc/drtm/drtm_measurements.h b/services/std_svc/drtm/drtm_measurements.h
new file mode 100644
index 000000000..127df9f79
--- /dev/null
+++ b/services/std_svc/drtm/drtm_measurements.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2021 Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier:    BSD-3-Clause
+ *
+ */
+#ifndef DRTM_MEASUREMENTS_H
+#define DRTM_MEASUREMENTS_H
+
+#include <stdint.h>
+
+#include <lib/tpm/tpm_log.h>
+
+#include "drtm_main.h"
+
+#define DRTM_EVENT_LOG_INIT_SIZE     ((size_t)(768))
+
+#if !defined(DRTM_SHA_ALG)
+#error "The DRTM service requires definition of the DRTM_SHA_ALG macro"
+#else
+#define COMBINE(a, b) a ## b
+#define EXPAND_AND_COMBINE(a, b) COMBINE(a, b)
+#define DRTM_TPM_HASH_ALG EXPAND_AND_COMBINE(TPM_ALG_SHA, DRTM_SHA_ALG)
+
+#if DRTM_SHA_ALG == 256
+#define DRTM_TPM_HASH_ALG_DSIZE  32
+#elif DRTM_SHA_ALG == 384
+#define DRTM_TPM_HASH_ALG_DSIZE  48
+#elif DRTM_SHA_ALG == 512
+#define DRTM_TPM_HASH_ALG_DSIZE  64
+#endif
+
+#endif
+
+
+struct drtm_event_log {
+	tpm_log_info_t tpm_log_info;
+	uint32_t tpm_log_mem[DRTM_EVENT_LOG_INIT_SIZE / sizeof(uint32_t)];
+};
+/* Opaque / encapsulated type. */
+typedef struct drtm_event_log drtm_event_log_t;
+
+
+int drtm_measurements_init(void);
+enum drtm_retc drtm_take_measurements(const struct_drtm_dl_args *a,
+                              drtm_event_log_t *log);
+void drtm_serialise_event_log(char *dst, const drtm_event_log_t *src_log,
+                              size_t *event_log_size_out);
+
+#endif /* DRTM_MEASUREMENTS_H */