[edk2-devel] [PATCH v2 1/3] ArmVirtPkg/TPM: Add a NULL implementation of TpmPlatformHierarchyLib
Stefan Berger
stefanb at linux.ibm.com
Mon Sep 20 20:06:19 UTC 2021
From: Stefan Berger <stefanb at linux.vnet.ibm.com>
Add a NULL implementation of the library class TpmPlatformHierarchyLib.
Link: https://bugzilla.tianocore.org/show_bug.cgi?id=3510
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Leif Lindholm <leif at nuviainc.com>
Cc: Sami Mujawar <sami.mujawar at arm.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Signed-off-by: Stefan Berger <stefanb at linux.ibm.com>
---
.../PeiDxeTpmPlatformHierarchyLib.c | 22 +++++++++++++
.../PeiDxeTpmPlatformHierarchyLib.inf | 31 +++++++++++++++++++
SecurityPkg/SecurityPkg.dsc | 1 +
3 files changed, 54 insertions(+)
create mode 100644 SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
create mode 100644 SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
new file mode 100644
index 0000000000..dfc8863830
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
@@ -0,0 +1,22 @@
+/** @file
+ Null TPM Platform Hierarchy configuration library.
+
+ This library provides stub functions for customizing the TPM's Platform Hierarchy.
+
+ Copyright (c) 2021, IBM Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+
+/**
+ A NULL implementation of ConfigureTpmPlatformHierarchy.
+**/
+VOID
+EFIAPI
+ConfigureTpmPlatformHierarchy (
+ )
+{
+ /* do nothing */
+}
diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
new file mode 100644
index 0000000000..bd2ca2b937
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
@@ -0,0 +1,31 @@
+### @file
+# NULL TPM Platform Hierarchy configuration library.
+#
+# This library provides functions for customizing the TPM's Platform Hierarchy
+# Authorization Value (platformAuth) and Platform Hierarchy Authorization
+# Policy (platformPolicy) can be defined through this function.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) Microsoft Corporation.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PeiDxeTpmPlatformHierarchyLibNull
+ FILE_GUID = 8947A3F2-BfB4-45EF-968D-5C40C1CE6A58
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = TpmPlatformHierarchyLib|PEIM DXE_DRIVER
+
+[LibraryClasses]
+ BaseLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[Sources]
+ PeiDxeTpmPlatformHierarchyLib.c
diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index f1f678c492..37318c64c5 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -232,6 +232,7 @@
SecurityPkg/Library/HashLibTpm2/HashLibTpm2.inf
SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLib/PeiDxeTpmPlatformHierarchyLib.inf
+ SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
#
# TCG Storage.
--
2.31.1
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