Modify 'tpmc block' to lock only the FW index

[vboot.git] / firmware / include / tpm2_marshaling.h

diff --git a/firmware/include/tpm2_marshaling.h b/firmware/include/tpm2_marshaling.h
index 2022986..3d6fb8a 100644 (file)
--- a/firmware/include/tpm2_marshaling.h
+++ b/firmware/include/tpm2_marshaling.h
@@ -50,11 +50,22 @@ struct tpm2_response *tpm_unmarshal_response(TPM_CC command,
  * tpm_set_ph_disabled
  *
  * Sets the flag that indicates if platform hierarchy is disabled.
- * certain commands, like NV_Read, may need to use different
+ * Certain commands, like NV_Read, may need to use different
  * authorization if platform hierarchy is disabled.
  *
  * @flag: 1 if platform hierarchy is disabled, 0 otherwise
  */
 void tpm_set_ph_disabled(int flag);
 
+/**
+ * tpm_is_ph_disabled
+ *
+ * Gets the flag that indicates if platform hierarchy is disabled.
+ * Certain commands, like NV_Read, may need to use different
+ * authorization if platform hierarchy is disabled.
+ *
+ * Returns 1 if platform hierarchy is disabled, 0 otherwise
+ */
+int tpm_is_ph_disabled(void);
+
 #endif // __SRC_LIB_TPM2_MARSHALING_H