diff options
| author | Zhang, Chao B <chao.b.zhang@intel.com> | 2016-09-27 09:46:40 +0800 |
|---|---|---|
| committer | Zhang, Chao B <chao.b.zhang@intel.com> | 2016-09-29 10:30:30 +0800 |
| commit | edb0fda25ea9b2ef73db18bf5cf0798340209f28 (patch) | |
| tree | dfff33287fc1b5ff8b9aa3177be3089a51bd5416 /SecurityPkg/Include | |
| parent | ab970515d2c6ec657fceab0ce571054bb43a22f2 (diff) | |
| download | edk2-edb0fda25ea9b2ef73db18bf5cf0798340209f28.tar.gz edk2-edb0fda25ea9b2ef73db18bf5cf0798340209f28.tar.bz2 edk2-edb0fda25ea9b2ef73db18bf5cf0798340209f28.zip | |
SecurityPkg: Tcg2: Fix TCG2 PP issues
Several issues exist in TCG2 PP
1. TCG2 PP use NVS PPRQ/PPRM as PP parameter as well as current
PP state cache. But it doesn't handle PP set failure case
2. TCG2 PP Submit TPM Operation Request to Pre-OS Environment forgets
to clean PPRM
3. Potential alignment issue
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Qin Long <qin.long@intel.com>
Diffstat (limited to 'SecurityPkg/Include')
| -rw-r--r-- | SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h b/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h index ce45f17454..1bee13a511 100644 --- a/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h +++ b/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h @@ -2,7 +2,7 @@ Ihis library is intended to be used by BDS modules.
This library will execute TPM2 request.
-Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 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
@@ -116,6 +116,26 @@ Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction ( OUT UINT32 *Response
);
+/**
+ The handler for TPM physical presence function:
+ Submit TPM Operation Request to Pre-OS Environment and
+ Submit TPM Operation Request to Pre-OS Environment 2.
+
+ This API should be invoked in OS runtime phase to interface with ACPI method.
+
+ Caution: This function may receive untrusted input.
+
+ @param[in out] Pointer to OperationRequest TPM physical presence operation request.
+ @param[in out] Pointer to RequestParameter TPM physical presence operation request parameter.
+
+ @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
+ Submit TPM Operation Request to Pre-OS Environment 2.
+ **/
+UINT32
+Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunctionEx (
+ IN OUT UINT32 *OperationRequest,
+ IN OUT UINT32 *RequestParameter
+ );
/**
The handler for TPM physical presence function:
@@ -125,7 +145,7 @@ Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction ( This API should be invoked in OS runtime phase to interface with ACPI method.
Caution: This function may receive untrusted input.
-
+
@param[in] OperationRequest TPM physical presence operation request.
@param[in] RequestParameter TPM physical presence operation request parameter.
|