Re: ARI and igb emulation

[Jason Wang]

On Tue, Jun 27, 2023 at 10:41 PM Ani Sinha <anisinha@redhat.com> wrote:
>
>
>
> > On 27-Jun-2023, at 8:09 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
> >
> > On Tue, Jun 27, 2023 at 08:02:46PM +0530, Ani Sinha wrote:
> >> Hi :
> >> I am proposing a patch in QEMU [1] which may or may not break ARI but I 
> >> wanted to give my best shot in making sure I am not breaking anything with 
> >> ARI enabled. I see that your igb emulation code enables ARI with its SRIOV 
> >> emulation. I ran the qtest and avocado tests that are mentioned in [2] and 
> >> they both pass. Is there anything else/any tweaks that I should be doing 
> >> to make sure I am not breaking ARI with igb?
> >>
> >> Thanks for information,
> >> Ani
> >>
> >> 1. https://lists.gnu.org/archive/html/qemu-devel/2023-06/msg05478.html
> >> 2. https://www.qemu.org/docs/master/system/devices/igb.html
> >>
> >
> > I think that just creates igb. to test ARI you need to add
> > igbvf devices. Jason maintains it. But really pls go back on-list.
>
> +Jason
> +qemu-devel
>

Yes, you need to at least create VFS and test some throughput on it
(probably need a vIOMMU).

Thanks