Looks good to me.

Then can we remove TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT definition ?
It seems no longer useful.

Thank you
Yao Jiewen


> -----Original Message-----
> From: Chu, Maggie <maggie....@intel.com>
> Sent: Friday, May 15, 2020 4:28 PM
> To: devel@edk2.groups.io
> Cc: Dong, Eric <eric.d...@intel.com>; Wang, Jian J <jian.j.w...@intel.com>;
> Zhang, Chao B <chao.b.zh...@intel.com>; Yao, Jiewen <jiewen....@intel.com>
> Subject: [PATCH v2] SecurityPkg: Change default value source
> 
> https://bugzilla.tianocore.org/show_bug.cgi?id=2713
> In current code, If TCG2_PHYSICAL_PRESENCE_FLAGS_VARIABLE variable
> is not exist, code will get default value from two places.
> This fix is to make the default value comes from the PCD
> gEfiSecurityPkgTokenSpaceGuid.PcdTcg2PhysicalPresenceFlags
> 
> Signed-off-by: Maggie Chu <maggie....@intel.com>
> Cc: Eric Dong <eric.d...@intel.com>
> Cc: Jian J Wang <jian.j.w...@intel.com>
> Cc: Chao Zhang <chao.b.zh...@intel.com>
> Cc: Jiewen Yao <jiewen....@intel.com>
> ---
> v2 change:
> Change patch title.
> 
>  .../Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c  | 2 +-
>  .../Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.c  | 2 +-
>  .../PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.inf        | 3 +++
>  .../Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c  | 5
> ++++-
>  .../SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.inf        | 1 +
>  5 files changed, 10 insertions(+), 3 deletions(-)
> 
> diff --git
> a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib
> .c
> b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib
> .c
> index 80e2e37bf4..bf793555aa 100644
> ---
> a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib
> .c
> +++
> b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib
> .c
> @@ -1228,7 +1228,7 @@ Tcg2PhysicalPresenceLibGetManagementFlags (
>                    &PpiFlags
> 
>                    );
> 
>    if (EFI_ERROR (Status)) {
> 
> -    PpiFlags.PPFlags = TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT |
> TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT;
> 
> +    PpiFlags.PPFlags = PcdGet32(PcdTcg2PhysicalPresenceFlags);
> 
>    }
> 
>    return PpiFlags.PPFlags;
> 
>  }
> 
> diff --git
> a/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.c
> b/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.c
> index a111351516..a2c157d8a7 100644
> ---
> a/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.c
> +++
> b/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.c
> @@ -47,7 +47,7 @@ Tcg2PhysicalPresenceLibGetManagementFlags (
>                            &PpiFlags
> 
>                            );
> 
>    if (EFI_ERROR (Status)) {
> 
> -    PpiFlags.PPFlags = TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT |
> TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT;
> 
> +    PpiFlags.PPFlags = PcdGet32(PcdTcg2PhysicalPresenceFlags);
> 
>    }
> 
>    return PpiFlags.PPFlags;
> 
>  }
> 
> diff --git
> a/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.i
> nf
> b/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.i
> nf
> index d34f232022..11ebaa9263 100644
> ---
> a/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.i
> nf
> +++
> b/SecurityPkg/Library/PeiTcg2PhysicalPresenceLib/PeiTcg2PhysicalPresenceLib.i
> nf
> @@ -43,5 +43,8 @@
>  [Ppis]
> 
>    gEfiPeiReadOnlyVariable2PpiGuid       ## CONSUMES
> 
> 
> 
> +[Pcd]
> 
> +  gEfiSecurityPkgTokenSpaceGuid.PcdTcg2PhysicalPresenceFlags       ##
> SOMETIMES_CONSUMES
> 
> +
> 
>  [Depex]
> 
>    gEfiPeiReadOnlyVariable2PpiGuid
> 
> diff --git
> a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.c
> b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.c
> index 3827df9663..08ef5416d8 100644
> ---
> a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.c
> +++
> b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.c
> @@ -31,6 +31,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> 
> 
>  EFI_SMM_VARIABLE_PROTOCOL  *mTcg2PpSmmVariable;
> 
>  BOOLEAN                    mIsTcg2PPVerLowerThan_1_3 = FALSE;
> 
> +UINT32                     mTcg2PhysicalPresenceFlags;
> 
> 
> 
>  /**
> 
>    The handler for TPM physical presence function:
> 
> @@ -162,7 +163,7 @@
> Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunctionEx (
>                                     &Flags
> 
>                                     );
> 
>      if (EFI_ERROR (Status)) {
> 
> -      Flags.PPFlags = TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT |
> TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT;
> 
> +      Flags.PPFlags = mTcg2PhysicalPresenceFlags;
> 
>      }
> 
>      ReturnCode = Tcg2PpVendorLibSubmitRequestToPreOSFunction
> (*OperationRequest, Flags.PPFlags, *RequestParameter);
> 
>    }
> 
> @@ -396,5 +397,7 @@ Tcg2PhysicalPresenceLibConstructor (
>    Status = gSmst->SmmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL,
> (VOID**)&mTcg2PpSmmVariable);
> 
>    ASSERT_EFI_ERROR (Status);
> 
> 
> 
> +  mTcg2PhysicalPresenceFlags = PcdGet32(PcdTcg2PhysicalPresenceFlags);
> 
> +
> 
>    return EFI_SUCCESS;
> 
>  }
> 
> diff --git
> a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.inf
> b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.inf
> index e0e5fef5f1..1f40629e3b 100644
> ---
> a/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.inf
> +++
> b/SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresence
> Lib.inf
> @@ -50,6 +50,7 @@
> 
> 
>  [Pcd]
> 
>    gEfiSecurityPkgTokenSpaceGuid.PcdTcgPhysicalPresenceInterfaceVer  ##
> CONSUMES
> 
> +  gEfiSecurityPkgTokenSpaceGuid.PcdTcg2PhysicalPresenceFlags        ##
> SOMETIMES_CONSUMES
> 
> 
> 
>  [Depex]
> 
>    gEfiSmmVariableProtocolGuid
> 
> --
> 2.16.2.windows.1


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