On 06/08/21 23:36, Tom Lendacky wrote:
> On 6/8/21 3:49 AM, Laszlo Ersek wrote:
>> On 06/07/21 15:37, Brijesh Singh wrote:
>>
>>
> ...
>
>> ... But maybe I just need to accept that we have to repurpose
>> SEC_SEV_ES_WORK_AREA, considering it a super-early "HOB list" of sorts.
>> Same as the PEI
On 6/8/21 3:49 AM, Laszlo Ersek wrote:
> On 06/07/21 15:37, Brijesh Singh wrote:
>
>
...
> ... But maybe I just need to accept that we have to repurpose
> SEC_SEV_ES_WORK_AREA, considering it a super-early "HOB list" of sorts.
> Same as the PEI phase is considered the "HOB producer phase",
On 6/8/21 3:49 AM, Laszlo Ersek wrote:
> On 06/07/21 15:37, Brijesh Singh wrote:
>
>> Also, I was trying to avoid the cases where the malicious hypervisor
>> changing the feature value after the GHCB negotiation is completed.
>> e.g, during the reset vector they give us one feature value and
On 06/07/21 15:37, Brijesh Singh wrote:
> Also, I was trying to avoid the cases where the malicious hypervisor
> changing the feature value after the GHCB negotiation is completed.
> e.g, during the reset vector they give us one feature value and change
> them during SEC or PEI or DXE instances
Hi Laszlo,
On 6/7/21 6:54 AM, Laszlo Ersek wrote:
> Hi Brijesh,
>
> On 05/27/21 01:11, Brijesh Singh wrote:
>> BZ:
>>
Hi Brijesh,
On 05/27/21 01:11, Brijesh Singh wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275
>
> The GHCB Version 2 introduces advertisement of features that are supported
> by the hypervisor. The features value is saved in the SevEs workarea. Save
> the value in the PCD for the
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275
The GHCB Version 2 introduces advertisement of features that are supported
by the hypervisor. The features value is saved in the SevEs workarea. Save
the value in the PCD for the later use.
Cc: James Bottomley
Cc: Min Xu
Cc: Jiewen Yao