Re: [PATCH v4 7/8] hw/arm/sbsa-ref: add ITS support in SBSA GIC

[shashi.mallela@linaro.org]

On Thu, 2021-07-08 at 23:05 +0100, Leif Lindholm wrote:
> On Thu, Jul 08, 2021 at 21:05:02 +0100, Peter Maydell wrote:
> > On Thu, 8 Jul 2021 at 20:40, Leif Lindholm <leif@nuviainc.com>
> > wrote:
> > > I think my summary-summary would be:
> > > - I think we will need to introduce a compatiblity-breaking
> > > change to
> > >   sbsa-ref.
> > > - I think we will need to have support for more than one ITS if
> > > we're
> > >   going to be able to use QEMU to prototype real systems.
> > > - I think we should then start versioning sbsa-ref (like many
> > > other
> > >   platforms already are). And there are other reasons why I would
> > > want
> > >   to do this.
> > > - But I think it would be unfair to hold this set back for it.
> > 
> > FWIW, I do not currently expect this series to make 6.1, so we
> > have some time to get things right.
> 
> Ah, ok.
> 
> Then I would ideally like to see this patch add the ITS block between
> Distributor and Redistributors regions. I think it makes the most
> sense
> for this version to match the GIC-600 layout.
Have added ITS block between Distributor and Redistributors
regions,with comments.
Also,added sbsa versioning support (as discussed in last call)
> 
> I am also going to rework those two remaining gicv4-ish patches based
> on my acquired understanding, to be sent out post v6.1.
> 
> And, I would like to switch the default CPU of sbsa-ref to "max" as
> part of that platform versioning, now that is supported in TF-A
> (from v2.5).
> 
> /
>     Leif