I know there are some common in these 2 head files. But I still don't see much
benefit to combine them together.
Put them in different header file:
1) TPM 2.0 specification is new. It is easy to maintain the header file if
spec is updated.
2) For usage, user doesn't need to know the header file for TPM 1.2 if
only TPM 2.0 chip is used.
3) If TPM1.2 chip is deprecated after some years, we don't need to update
TPM 2.0 related files.
Thanks,
Guo
From: Anbazhagan, Baraneedharan [mailto:[email protected]]
Sent: Wednesday, September 03, 2014 5:49 PM
To: [email protected]
Subject: Re: [edk2] TCG Physical Presence equates
Physical Presence Interface section of below MSFT link indicates that it's
based on TCG specification. In the current code TrEEHaveValidTpmRequest &
HaveValidTpmRequest filters the commands accordingly. Thanks.
-Baranee
From: Dong, Guo [mailto:[email protected]]
Sent: Tuesday, September 02, 2014 10:32 PM
To: [email protected]<mailto:[email protected]>
Subject: Re: [edk2] TCG Physical Presence equates
Hi Baranee,
PhysicalPresenceData.h is based on TCG specification and used for TPM1.2.
TrEEPhysicalPresenceData.h is based on MSFT specification
(http://msdn.microsoft.com/en-us/library/windows/hardware/jj923067.aspx) and
used for TPM2.0.
So it is not necessary to put them together.
Thanks,
Guo
From: Anbazhagan, Baraneedharan [mailto:[email protected]]
Sent: Wednesday, September 03, 2014 4:21 AM
To: [email protected]<mailto:[email protected]>
Subject: [edk2] TCG Physical Presence equates
SecurityPkg maintainers,
Can we have a common header file based on TCG PPI specification for both TPM1.2
and TPM2 instead of defining equates in PhysicalPresenceData.h and
TrEEPhysicalPresenceData.h?
-Baranee
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