SecurityPkg: Tcg2PhysicalPresenceLib: Introduce StandaloneMm instance

[mirror_edk2.git] / SecurityPkg / Library / SmmTcg2PhysicalPresenceLib / MmTcg2PhysicalPresenceLibCommon.h

diff --git a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/MmTcg2PhysicalPresenceLibCommon.h b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/MmTcg2PhysicalPresenceLibCommon.h
new file mode 100644 (file)
index 0000000..a018273
--- /dev/null
+++ b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/MmTcg2PhysicalPresenceLibCommon.h
@@ -0,0 +1,34 @@
+/** @file\r
+  Handle TPM 2.0 physical presence requests from OS.\r
+\r
+  This library will handle TPM 2.0 physical presence request from OS.\r
+\r
+  Caution: This module requires additional review when modified.\r
+  This driver will have external input - variable.\r
+  This external input must be validated carefully to avoid security issue.\r
+\r
+  Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction() and Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction()\r
+  will receive untrusted input and do validation.\r
+\r
+Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#ifndef _MM_TCG2_PHYSICAL_PRESENCE_LIB_COMMON_H_\r
+#define _MM_TCG2_PHYSICAL_PRESENCE_LIB_COMMON_H_\r
+\r
+/**\r
+  The constructor function locates MmVariable protocol.\r
+\r
+  It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.\r
+\r
+  @retval EFI_SUCCESS   The constructor successfully added string package.\r
+  @retval Other value   The constructor can't add string package.\r
+**/\r
+EFI_STATUS\r
+Tcg2PhysicalPresenceLibCommonConstructor (\r
+  VOID\r
+  );\r
+\r
+#endif\r