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authorZhang, Chao B <chao.b.zhang@intel.com>2016-12-27 16:47:06 +0800
committerZhang, Chao B <chao.b.zhang@intel.com>2016-12-29 09:45:15 +0800
commit710174e01174c834eacc70dd6b50a6fe900baf23 (patch)
tree6e92411e3796fa11d8cdfc417f9e9536c87e8f28 /SecurityPkg
parent73126ac2bd9804632255b2fddd4d7633537c9620 (diff)
downloadedk2-710174e01174c834eacc70dd6b50a6fe900baf23.zip
edk2-710174e01174c834eacc70dd6b50a6fe900baf23.tar.gz
edk2-710174e01174c834eacc70dd6b50a6fe900baf23.tar.bz2
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>
Diffstat (limited to 'SecurityPkg')
-rw-r--r--SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c3
-rw-r--r--SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf5
-rw-r--r--SecurityPkg/SecurityPkg.dec6
3 files changed, 12 insertions, 2 deletions
diff --git a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
index a077b03..5bf95a1 100644
--- a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
@@ -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));
}
//
diff --git a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf
index f4aa0da..fc10129 100644
--- a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf
+++ b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf
@@ -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"
diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
index dab332a..c53f746 100644
--- a/SecurityPkg/SecurityPkg.dec
+++ b/SecurityPkg/SecurityPkg.dec
@@ -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>