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SecurityPkg: Tcg2PhysicalPresence: Define TCG2 PP Flags Initial Pcd 

Define PcdTcg2PhysicalPresenceFlags to initialize TCG2 PP Flags setting.

Cc: Yao Jiewen <jiewen.yao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Zhang, Chao B 2016-12-27 16:47:06 +08:00
parent 73126ac2bd
commit 710174e011
3 changed files with 12 additions and 2 deletions
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3
SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
View File

@ -932,7 +932,7 @@ Tcg2PhysicalPresenceLibProcessRequest (
&PpiFlags
);
if (EFI_ERROR (Status)) {
PpiFlags.PPFlags = TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT | TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT;
PpiFlags.PPFlags = PcdGet32(PcdTcg2PhysicalPresenceFlags);
Status = gRT->SetVariable (
TCG2_PHYSICAL_PRESENCE_FLAGS_VARIABLE,
&gEfiTcg2PhysicalPresenceGuid,
@ -944,6 +944,7 @@ Tcg2PhysicalPresenceLibProcessRequest (
DEBUG ((EFI_D_ERROR, "[TPM2] Set physical presence flag failed, Status = %r\n", Status));
return ;
}
DEBUG((DEBUG_INFO, "[TPM2] Initial physical presence flags value is 0x%x\n", PpiFlags.PPFlags));
}
//

5
SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf
View File

@ -8,7 +8,7 @@
# This driver will have external input - variable.
# This external input must be validated carefully to avoid security issue.
#
# Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@ -60,6 +60,9 @@
gEfiTcg2ProtocolGuid ## SOMETIMES_CONSUMES
gEdkiiVariableLockProtocolGuid ## SOMETIMES_CONSUMES
[Pcd]
gEfiSecurityPkgTokenSpaceGuid.PcdTcg2PhysicalPresenceFlags ## SOMETIMES_CONSUMES
[Guids]
## SOMETIMES_CONSUMES ## HII
## SOMETIMES_PRODUCES ## Variable:L"Tcg2PhysicalPresence"

6
SecurityPkg/SecurityPkg.dec
View File

@ -426,6 +426,12 @@
# @Prompt A physical presence user status
gEfiSecurityPkgTokenSpaceGuid.PcdUserPhysicalPresence|FALSE|BOOLEAN|0x00010019
## This PCD defines initial setting of TCG2 Persistent Firmware Management Flags
# PCD can be configured for different settings in different scenarios
# Default setting is TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT | TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_DEFAULT
# @Prompt Inital setting of TCG2 Persistent Firmware Management Flags
gEfiSecurityPkgTokenSpaceGuid.PcdTcg2PhysicalPresenceFlags|0x300E3|UINT32|0x0001001B
[PcdsDynamic, PcdsDynamicEx]
## This PCD indicates Hash mask for TPM 2.0.<BR><BR>