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Re: [PATCH 06/10] vpci: Make every domain handle its own BARs
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>
- Date: Fri, 13 Nov 2020 14:52:48 +0000
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- Cc: Oleksandr Andrushchenko <andr2000@xxxxxxxxx>, "Rahul.Singh@xxxxxxx" <Rahul.Singh@xxxxxxx>, "Bertrand.Marquis@xxxxxxx" <Bertrand.Marquis@xxxxxxx>, "julien.grall@xxxxxxx" <julien.grall@xxxxxxx>, "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "iwj@xxxxxxxxxxxxxx" <iwj@xxxxxxxxxxxxxx>, "wl@xxxxxxx" <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 13 Nov 2020 14:53:06 +0000
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- Thread-topic: [PATCH 06/10] vpci: Make every domain handle its own BARs
On 11/13/20 4:51 PM, Jan Beulich wrote:
> 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.
Ok, I'll try to see what I can do about it.
>
> Jan
Thank you,
Oleksandr
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