Re: [PATCH 06/10] vpci: Make every domain handle its own BARs

[Jan Beulich <jbeulich@xxxxxxxx>]

On 13.11.2020 15:44, Oleksandr Andrushchenko wrote:
> 
> On 11/13/20 4:38 PM, Jan Beulich wrote:
>> On 13.11.2020 15:32, Oleksandr Andrushchenko wrote:
>>> On 11/13/20 4:23 PM, Jan Beulich wrote:
>>>>    Earlier on I didn't say you should get this to work, only
>>>> that I think the general logic around what you add shouldn't make
>>>> things more arch specific than they really should be. That said,
>>>> something similar to the above should still be doable on x86,
>>>> utilizing struct pci_seg's bus2bridge[]. There ought to be
>>>> DEV_TYPE_PCI_HOST_BRIDGE entries there, albeit a number of them
>>>> (provided by the CPUs themselves rather than the chipset) aren't
>>>> really host bridges for the purposes you're after.
>>> You mean I can still use DEV_TYPE_PCI_HOST_BRIDGE as a marker
>>>
>>> while trying to detect what I need?
>> I'm afraid I don't understand what marker you're thinking about
>> here.
> 
> I mean that when I go over bus2bridge entries, should I only work with
> 
> those who have DEV_TYPE_PCI_HOST_BRIDGE?

Well, if you're after host bridges - yes.

Jan