[edk2-devel] [PATCH v3 2/6] OvmfPkg/TPM: Add a NULL implementation of TpmPlatformHierarchyLib

[Marc-André Lureau]

Hi

On Tue, Aug 10, 2021 at 9:20 PM Stefan Berger <stefanb at linux.vnet.ibm.com>
wrote:

> Add a NULL implementation of the library class TpmPlatformHierarchyLib
>
> Signed-off-by: Stefan Berger <stefanb at linux.ibm.com>
>

This patch doesn't pass BaseTools/Scripts/PatchCheck.py

---
>  .../PeiDxeTpmPlatformHierarchyLib.c           | 19 ++++++++++++
>  .../PeiDxeTpmPlatformHierarchyLib.inf         | 31 +++++++++++++++++++
>  2 files changed, 50 insertions(+)
>  create mode 100644
> OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
>  create mode 100644
> OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
>
> diff --git
> a/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
> b/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
> new file mode 100644
> index 0000000000..a4d38a1465
> --- /dev/null
> +++
> b/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
> @@ -0,0 +1,19 @@
> +/** @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>
> +
> +VOID
> +EFIAPI
> +ConfigureTpmPlatformHierarchy (
> +  )
> +{
> +  /* no nothing */
> +}
> diff --git
> a/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
> b/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
> new file mode 100644
> index 0000000000..f0c474d57c
> --- /dev/null
> +++
> b/OvmfPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
> @@ -0,0 +1,31 @@
> +### @file
> +#
> +#   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                      = 7794F92C-4E8E-4E57-9E4A-49A0764C7D73
>

Looking at other files, I think it must be unique. (don't ask me why though)

+  MODULE_TYPE                    = PEIM
> +  VERSION_STRING                 = 1.0
> +  LIBRARY_CLASS                  = TpmPlatformHierarchyLib|PEIM DXE_DRIVER
> +
> +[LibraryClasses]
> +  BaseLib
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +
> +[Sources]
> +  PeiDxeTpmPlatformHierarchyLib.c
> --
> 2.31.1
>
>


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