On Thu, 16 Sept 2021 at 23:18, Stefan Berger <stef...@linux.ibm.com> wrote:
>
> From: Stefan Berger <stef...@linux.vnet.ibm.com>
>
> Add a NULL implementation of the library class TpmPlatformHierarchyLib.
>
This patch introduces both the library class and the NULL
implementation, right?
> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
> Cc: Leif Lindholm <l...@nuviainc.com>
> Cc: Sami Mujawar <sami.muja...@arm.com>
> Cc: Gerd Hoffmann <kra...@redhat.com>
> Signed-off-by: Stefan Berger <stef...@linux.ibm.com>
> ---
> ArmVirtPkg/ArmVirtPkg.dec | 1 +
> .../Include/Library/TpmPlatformHierarchyLib.h | 27 +++++++++++++++++
> .../PeiDxeTpmPlatformHierarchyLib.c | 22 ++++++++++++++
> .../PeiDxeTpmPlatformHierarchyLib.inf | 30 +++++++++++++++++++
> 4 files changed, 80 insertions(+)
> create mode 100644 ArmVirtPkg/Include/Library/TpmPlatformHierarchyLib.h
> create mode 100644
> ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
> create mode 100644
> ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
>
> diff --git a/ArmVirtPkg/ArmVirtPkg.dec b/ArmVirtPkg/ArmVirtPkg.dec
> index 4e4d758015..f3bdca118b 100644
> --- a/ArmVirtPkg/ArmVirtPkg.dec
> +++ b/ArmVirtPkg/ArmVirtPkg.dec
> @@ -27,6 +27,7 @@
>
> [LibraryClasses]
> ArmVirtMemInfoLib|Include/Library/ArmVirtMemInfoLib.h
> + TpmPlatformHierarchyLib|Include/Library/TpmPlatformHierarchyLib.h
>
> [Guids.common]
> gArmVirtTokenSpaceGuid = { 0x0B6F5CA7, 0x4F53, 0x445A, { 0xB7, 0x6E, 0x2E,
> 0x36, 0x5B, 0x80, 0x63, 0x66 } }
> diff --git a/ArmVirtPkg/Include/Library/TpmPlatformHierarchyLib.h
> b/ArmVirtPkg/Include/Library/TpmPlatformHierarchyLib.h
> new file mode 100644
> index 0000000000..8d61a4867b
> --- /dev/null
> +++ b/ArmVirtPkg/Include/Library/TpmPlatformHierarchyLib.h
> @@ -0,0 +1,27 @@
> +/** @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
> +
> +**/
> +
> +#ifndef TPM_PLATFORM_HIERARCHY_LIB_H_
> +#define TPM_PLATFORM_HIERARCHY_LIB_H_
> +
> +/**
> + This service will perform the TPM Platform Hierarchy configuration at the
> SmmReadyToLock event.
> +
> +**/
> +VOID
> +EFIAPI
> +ConfigureTpmPlatformHierarchy (
> + VOID
> + );
> +
> +#endif
> diff --git
> a/ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
>
> b/ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
> new file mode 100644
> index 0000000000..bac1efda63
> --- /dev/null
> +++
> b/ArmVirtPkg/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 (
VOID
> + )
> +{
> + /* no nothing */
double negative :-)
> +}
> diff --git
> a/ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
>
> b/ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
> new file mode 100644
> index 0000000000..4f02818bbc
> --- /dev/null
> +++
> b/ArmVirtPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
> @@ -0,0 +1,30 @@
> +### @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
1.27
> + BASE_NAME = PeiDxeTpmPlatformHierarchyLibNull
Make this BasePlatform....
> + FILE_GUID = 8947A3F2-BfB4-45EF-968D-5C40C1CE6A58
> + MODULE_TYPE = PEIM
BASE
> + 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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