Imported Upstream version 0.3.9upstream/0.3.9upstream

1 files changed, 48 insertions, 0 deletions

diff --git a/src/tspi/tspi_counter.c b/src/tspi/tspi_counter.c
new file mode 100644
index 0000000..d494cc1
--- /dev/null
+++ b/src/tspi/tspi_counter.c
@@ -0,0 +1,48 @@
+
+/*
+ * Licensed Materials - Property of IBM
+ *
+ * trousers - An open source TCG Software Stack
+ *
+ * (C) Copyright International Business Machines Corp. 2004-2007
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "trousers/tss.h"
+#include "trousers/trousers.h"
+#include "trousers_types.h"
+#include "spi_utils.h"
+#include "capabilities.h"
+#include "tsplog.h"
+#include "obj.h"
+
+
+TSS_RESULT
+Tspi_TPM_ReadCounter(TSS_HTPM hTPM,		/* in */
+		     UINT32*  counterValue)	/* out */
+{
+	TSS_HCONTEXT tspContext;
+	TCPA_RESULT result;
+	TSS_COUNTER_ID counterID;
+	TPM_COUNTER_VALUE counter_value;
+
+	if (counterValue == NULL)
+		return TSPERR(TSS_E_BAD_PARAMETER);
+
+	if ((result = obj_tpm_get_tsp_context(hTPM, &tspContext)))
+		return result;
+
+	if ((result = obj_tpm_get_current_counter(hTPM, &counterID)))
+		return result;
+
+	if ((result = TCS_API(tspContext)->ReadCounter(tspContext, counterID, &counter_value)))
+		return result;
+
+	*counterValue = counter_value.counter;
+
+	return TSS_SUCCESS;
+}