Re: [PATCH v10 03/16] s390x: protvirt: Support unpack facility

[Janosch Frank]

On 3/19/20 12:57 PM, Christian Borntraeger wrote:
> 
> 
> On 19.03.20 12:55, Janosch Frank wrote:
>> On 3/19/20 12:08 PM, Cornelia Huck wrote:
>>> On Wed, 18 Mar 2020 10:30:34 -0400
>>> Janosch Frank <address@hidden> wrote:
>>>
>>>> The unpack facility provides the means to setup a protected guest. A
>>>> protected guest cannot be introspected by the hypervisor or any
>>>> user/administrator of the machine it is running on.
>>>>
>>>> Protected guests are encrypted at rest and need a special boot
>>>> mechanism via diag308 subcode 8 and 10.
>>>>
>>>> Code 8 sets the PV specific IPLB which is retained separately from
>>>> those set via code 5.
>>>>
>>>> Code 10 is used to unpack the VM into protected memory, verify its
>>>> integrity and start it.
>>>>
>>>> Signed-off-by: Janosch Frank <address@hidden>
>>>> Co-developed-by: Christian Borntraeger <address@hidden> [Changes
>>>> to machine]
>>>> Reviewed-by: David Hildenbrand <address@hidden>
>>>> Reviewed-by: Claudio Imbrenda <address@hidden>
>>>> ---
>>>>  hw/s390x/Makefile.objs              |   1 +
>>>>  hw/s390x/ipl.c                      |  59 +++++++++++++-
>>>>  hw/s390x/ipl.h                      |  91 ++++++++++++++++++++-
>>>>  hw/s390x/pv.c                       |  98 +++++++++++++++++++++++
>>>
>>> More of an aside: In MAINTAINERS, this new file will be covered by the
>>> general s390x section, the tcg section, and the s390-ccw-virtio machine
>>> section, but not by the kvm section. Do we want to tweak that?
>>
>> @Christian?
> 
> Yes, pv.c should be covered by the KVM section.
> 
> 

Ok, I'll add it

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