Re: ARI and igb emulation

[Jason Wang]

On Wed, Jun 28, 2023 at 3:01 PM Ani Sinha <anisinha@redhat.com> wrote:
>
>
>
> > On 28-Jun-2023, at 12:23 PM, Jason Wang <jasowang@redhat.com> wrote:
> >
> > 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).
>
> Is there a test that I can run?
>

A simple netperf/iperf should be sufficient.

Thanks