Re: [Xen-devel] [PATCH] SeaBios/vTPM: Enable Xen stubdom vTPM for HVM virtual machine

["Xu, Quan" <quan.xu@xxxxxxxxx>]

> -----Original Message-----
> From: Stefan Berger [mailto:stefanb@xxxxxxxxxxxxxxxxxx]
> Sent: Friday, March 20, 2015 7:44 PM
> To: Ian Campbell; Xu, Quan
> Cc: kevin@xxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx;
> stefano.stabellini@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] [PATCH] SeaBios/vTPM: Enable Xen stubdom vTPM for
> HVM virtual machine
> 
> On 03/19/2015 08:56 AM, Ian Campbell wrote:
> > On Tue, 2015-03-10 at 08:16 -0400, Quan Xu wrote:
> >> @@ -151,6 +152,8 @@ device_hardware_setup(void)
> >>       esp_scsi_setup();
> >>       megasas_setup();
> >>       pvscsi_setup();
> >> +    if (runningOnXen())
> >> +        vtpm4hvm_setup();
> > Is there anything which is actually Xen specific about the driver in
> > tpm.[ch]? Would it be better to just probe for it, perhaps gates by a
> > Kconfig option which enables TPM support.
> 
> I also think the probing should be done. That code can also be recycled from 
> what
> I posted earlier. It's gated by a Kconfig option, so it doesn't fill up the 
> 128k ROM.
> 
>      Stefan
> 
Agree, I will do it ASAP. 

Quan
> >
> > And following that train of thought I think you could reasonable drop
> > "4hvm" from the name. And possibly even the leading "v", since I
> > suppose seabios shouldn't really care if the tpm is emulated or real
> > so long as it looks like a real tpm.
> >
> > Ian.
> >

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