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MdeModulePkg LockBoxLib: Support LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY

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With this flag, the LockBox can be restored in S3 resume only.
The LockBox can not be restored after SmmReadyToLock in normal boot
and after EndOfS3Resume in S3 resume.
It can not be set together with LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
(cherry picked from commit 6bd4af305d)
This commit is contained in:
Star Zeng
2018-02-11 10:01:21 +08:00
parent aa512b0eb4
commit 320449821c
4 changed files with 247 additions and 8 deletions
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14
MdeModulePkg/Include/Library/LockBoxLib.h
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@ -2,7 +2,7 @@
This library is only intended to be used by DXE modules that need save
confidential information to LockBox and get it by PEI modules in S3 phase.
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@ -62,9 +62,17 @@ SetLockBoxAttributes (
);
//
// With this flag, this LockBox can be restored to this Buffer with RestoreAllLockBoxInPlace()
// With this flag, this LockBox can be restored to this Buffer
// with RestoreAllLockBoxInPlace()
//
#define LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE BIT0
#define LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE BIT0
//
// With this flag, this LockBox can be restored in S3 resume only.
// This LockBox can not be restored after SmmReadyToLock in normal boot
// and after EndOfS3Resume in S3 resume.
// It can not be set together with LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE.
//
#define LOCK_BOX_ATTRIBUTE_RESTORE_IN_S3_ONLY BIT1
/**
This function will update confidential information to lockbox.