[PATCH v7 15/20] arm/arm64: KVM: add virtual GICv3 distributor emulation

Andre Przywara andre.przywara at arm.com
Fri Jan 16 06:11:25 PST 2015


Hi Christoffer,

On 15/01/15 12:21, Christoffer Dall wrote:
> On Wed, Jan 14, 2015 at 04:31:19PM +0000, Andre Przywara wrote:
>> With everything separated and prepared, we implement a model of a
>> GICv3 distributor and redistributors by using the existing framework
>> to provide handler functions for each register group.
>>
>> Currently we limit the emulation to a model enforcing a single
>> security state, with SRE==1 (forcing system register access) and
>> ARE==1 (allowing more than 8 VCPUs).
>>
>> We share some of the functions provided for GICv2 emulation, but take
>> the different ways of addressing (v)CPUs into account.
>> Save and restore is currently not implemented.
>>
>> Similar to the split-off of the GICv2 specific code, the new emulation
>> code goes into a new file (vgic-v3-emul.c).
>>
>> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> 
> 
> Drum roll....
> 
> Reviewed-by: Christoffer Dall <christoffer.dall at linaro.org>

Awesome, many thanks for that!
If you need any help with any kind of merging/rebasing GIC related
patches (the VFIO stuff for instance), please let me know.

Cheers,
Andre.



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