Hi Stefan

On Fri, Nov 24, 2017 at 2:49 PM, Stefan Berger <stefanb@linux.vnet.ibm.com> wrote:
On 11/23/2017 03:19 PM, Marc-André Lureau wrote:
Hi

On Thu, Nov 23, 2017 at 8:49 PM, Stefan Berger <stefanb@linux.vnet.ibm.com> wrote:
On 11/23/2017 07:48 AM, jwang@whu.edu.cn wrote:

Hi，Berger，

Thanks. But as I know CRB interface should be for mobile platform. We just want to support Windows Server 2012. Currently,the Windows Server 2012 can find physical TPM2 device. However, for vTPM, the windows server 2012 virtual machine just can find a virtual TPM 1.2 device and can not find vTPM 2.0 device. We have tried linux such as ubuntu and the ubuntu virtual machine can find vTPM 2.0 device in seabios 1.10 and our modified qemu-kvm-ev-2.6.

 My suggestion is to try to pick the patches for QEMU and SeaBIOS CRB support or wait for the next version of QEMU...

I couldn't make Windows work with TPM2 and seabios. However, I have some patch for ovmf to compile TPM2 support in, and it seem to work quite ok.  I still have to figure out some PhysicalPresence issues (using swtpm/libtpms). I am busy with other projects now, but you can take a look at the branches (https://github.com/elmarco/edk2/tree/tpm2, https://github.com/elmarco/qemu/tree/tpm). As you can see, work in progress, and help welcome!

 Windows seems to need CRB for it to accept the TPM 2... It may work 'better' with UEFI, but the device is also recognized with (patched) SeaBIOS.

I am mostly testing with windows 10, and tpm.msc complains that TPM is malfunctionning with seabios & my chhanges (even tough it does some exchanges). With the UEFI branch, it passes, but Bitlocker still complains the TPM is malfunctioning. Apparently, this could be related to PhysicalPresence (I have no clear idea how PP works, I'll need to study that a bit)


thanks



    Stefan




   Stefan


This problem has been bothering us for a month. Could you give us some help?

 

Best,
Juan


  
 
 

-----原始邮件-----
发件人:"Stefan Berger" <stefanb@linux.vnet.ibm.com>
发送时间:2017-11-23 03:41:30 (星期四)
收件人: 00011007@whu.edu.cn
抄送:
主题: Re: Fw: Can VTPM2 support WINDOWS

On 11/16/2017 08:40 AM, 00011007@whu.edu.cn wrote:



-----原始邮件-----
发件人:00011007@whu.edu.cn
发送时间:2017-11-16 17:30:57 (星期四)
收件人: seabios@seabios.org
抄送:
主题: Can VTPM2 support WINDOWS

Hi,all,

We want VTPM2 to support windows virtual machines. So I want to know if the current seabios can support the windows guest OS  when the tpm driver can not be modified. The host OS we used is CentOS 7.3 and the seabios version is 1.10.2. The hypervisor is KVM+QEMU. The windows version is windows server 2012 that can automatically support physical TPM2 chip.


I only ever tried with Windows 10 and that requires a CRB interface (rather than TIS ) for a TPM2, which we will only get with the next version of QEMU. I would assume that this is also the case with windows server 2012.

    Stefan

Looking forward to reply as soon as possible.


Yours sincerely,

Juan



Best Wishes!
***********************************************************************************************
Juan Wang
Computer School, Wuhan University
Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education
Mobile Phone :  18986213038
E-Mail       :  jwang@whu.edu.cn
*********************************************************************************************** 





Best Wishes!
***********************************************************************************************
Juan Wang
Computer School, Wuhan University
Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education
Mobile Phone :  18986213038
E-Mail       :  jwang@whu.edu.cn
*********************************************************************************************** 






Best Wishes!
***********************************************************************************************
Juan Wang
Computer School, Wuhan University
Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education
Mobile Phone :  18986213038
E-Mail       :  jwang@whu.edu.cn
*********************************************************************************************** 





Best Wishes!
***********************************************************************************************
Juan Wang
Computer School, Wuhan University
Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education
Mobile Phone :  18986213038
E-Mail       :  jwang@whu.edu.cn
*********************************************************************************************** 



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Marc-André Lureau





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Marc-André Lureau