[vfio-users] Ryzen/X370 Chipset and IOMMU Groups

[Nick Sarnie]

Hi Alex,

I don't see either of the options. I couldn't find Common Options at all,
and here's a screenshot of the CBS settings:

https://i.imgur.com/9hQUHX0.jpg

Is this something I should ask Asus to add?

Thanks,
Sarnex

On Fri, Mar 10, 2017 at 8:50 AM, Alex Williamson <
alex.l.williamson at gmail.com> wrote:

> On Thu, Mar 9, 2017 at 2:23 PM, Nick Sarnie <commendsarnex at gmail.com>
> wrote:
>
>> Hi,
>>
>> You previously helped me with an issue on Z170 with the bios preventing
>> the quirk from kicking in on the root ports, and Gigabyte fixed the bios
>> for me. I must have thought that was more general.
>>
>> Anyway, here's the correct lspci.
>>
>> https://paste.pound-python.org/show/CgR8EioN3hZoVsp7KYrF/
>>
>> Let me know if you see anything,
>>
>
>
> Initial information from AMD suggests that ACS may in fact be enabled via
> a BIOS option.  I cannot confirm yet if this should be available on all
> versions of Ryzen.  Do you have an "NBIO Debug Options" selection available
> under AMD CBS?  The only video I've found shows various "Common Options"
> menus, including "NBIO Common Options", but the video didn't descend into
> that menu.  Maybe there's a global debug or advanced options flag that
> could make such a menu item appear.  Or perhaps it's not available in these
> initial firmware releases yet and vendors need pressure from AMD and/or
> users to make it available.
>
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