On Tue, 21 Nov 2023, Stewart Hildebrand wrote:
> On 11/17/23 03:11, Oleksandr Tyshchenko wrote:
> >
> >
> > On 17.11.23 05:31, Stewart Hildebrand wrote:
> >
> > Hello Stewart
> >
> > [answering only for virtio-pci bits as for vPCI I am only familiar with
> > code responsible for trapping confi
On 11/17/23 03:11, Oleksandr Tyshchenko wrote:
>
>
> On 17.11.23 05:31, Stewart Hildebrand wrote:
>
> Hello Stewart
>
> [answering only for virtio-pci bits as for vPCI I am only familiar with
> code responsible for trapping config space accesses]
>
> [snip]
>
>>>
>>>
>>> Let me start by sayi
Hi Sergiy,
On 17/11/2023 13:19, Sergiy Kibrik wrote:
+ */
+#define GUEST_VIRTIO_PCI_ECAM_BASE xen_mk_ullong(0x3300)
+#define GUEST_VIRTIO_PCI_TOTAL_ECAM_SIZE xen_mk_ullong(0x0100)
+#define GUEST_VIRTIO_PCI_HOST_ECAM_SIZE xen_mk_ullong(0x0020)
+
+/* 64 MB is reserved f
hi Julien, Oleksandr,
[..]
This patch series only covers use-cases where the device emulator
handles the *entire* PCI Host bridge and PCI (virtio-pci) devices behind
it (i.e. Qemu). Also this patch series doesn't touch vPCI/PCI
pass-through resources, handling, accounting, nothing.
I unders
On 17.11.23 05:31, Stewart Hildebrand wrote:
Hello Stewart
[answering only for virtio-pci bits as for vPCI I am only familiar with
code responsible for trapping config space accesses]
[snip]
>>
>>
>> Let me start by saying that if we can get away with it, I think that a
>> single PCI Root Co
On 11/15/23 18:28, Stefano Stabellini wrote:
> + Stewart, Vikram
>
> On Wed, 15 Nov 2023, Oleksandr Tyshchenko wrote:
>> On 15.11.23 14:33, Julien Grall wrote:
>>> Thanks for adding support for virtio-pci in Xen. I have some questions.
>>>
>>> On 15/11/2023 11:26, Sergiy Kibrik wrote:
From: O
Hi Stefano,
Stefano Stabellini writes:
> On Thu, 16 Nov 2023, Volodymyr Babchuk wrote:
>> Hi Stefano,
>>
>> Stefano Stabellini writes:
>>
>> > + Stewart, Vikram
>> >
>> > On Wed, 15 Nov 2023, Oleksandr Tyshchenko wrote:
>> >> On 15.11.23 14:33, Julien Grall wrote:
>> >> > Thanks for adding
On Thu, 16 Nov 2023, Volodymyr Babchuk wrote:
> Hi Stefano,
>
> Stefano Stabellini writes:
>
> > + Stewart, Vikram
> >
> > On Wed, 15 Nov 2023, Oleksandr Tyshchenko wrote:
> >> On 15.11.23 14:33, Julien Grall wrote:
> >> > Thanks for adding support for virtio-pci in Xen. I have some questions.
>
Hi Volodymyr,
On 16/11/2023 16:53, Volodymyr Babchuk wrote:
Julien Grall writes:
On 16/11/2023 15:26, Stewart Hildebrand wrote:
On 11/16/23 10:12, Julien Grall wrote:
Hi Volodymyr,
On 16/11/2023 15:07, Volodymyr Babchuk wrote:
With my vPCI patch series in place, hypervisor itself assigns B
Hi Julien,
Julien Grall writes:
> On 16/11/2023 15:26, Stewart Hildebrand wrote:
>> On 11/16/23 10:12, Julien Grall wrote:
>>> Hi Volodymyr,
>>>
>>> On 16/11/2023 15:07, Volodymyr Babchuk wrote:
With my vPCI patch series in place, hypervisor itself assigns BDFs for
passed-through dev
On 16/11/2023 15:26, Stewart Hildebrand wrote:
On 11/16/23 10:12, Julien Grall wrote:
Hi Volodymyr,
On 16/11/2023 15:07, Volodymyr Babchuk wrote:
With my vPCI patch series in place, hypervisor itself assigns BDFs for
passed-through devices. Toolstack needs to get this information to know
wh
On 11/16/23 10:12, Julien Grall wrote:
> Hi Volodymyr,
>
> On 16/11/2023 15:07, Volodymyr Babchuk wrote:
>> With my vPCI patch series in place, hypervisor itself assigns BDFs for
>> passed-through devices. Toolstack needs to get this information to know
>> which BDFs are free and can be used by vi
Hi Stefano,
Stefano Stabellini writes:
> + Stewart, Vikram
>
> On Wed, 15 Nov 2023, Oleksandr Tyshchenko wrote:
>> On 15.11.23 14:33, Julien Grall wrote:
>> > Thanks for adding support for virtio-pci in Xen. I have some questions.
>> >
>> > On 15/11/2023 11:26, Sergiy Kibrik wrote:
>> >> From
Hi Volodymyr,
On 16/11/2023 15:07, Volodymyr Babchuk wrote:
With my vPCI patch series in place, hypervisor itself assigns BDFs for
passed-through devices. Toolstack needs to get this information to know
which BDFs are free and can be used by virtio-pci.
It sounds a bit odd to let the hyperviso
+ Stewart, Vikram
On Wed, 15 Nov 2023, Oleksandr Tyshchenko wrote:
> On 15.11.23 14:33, Julien Grall wrote:
> > Thanks for adding support for virtio-pci in Xen. I have some questions.
> >
> > On 15/11/2023 11:26, Sergiy Kibrik wrote:
> >> From: Oleksandr Tyshchenko
> >>
> >> In order to enable m
Hi Oleksandr,
On 15/11/2023 19:38, Oleksandr Tyshchenko wrote:
The ioreq.c code was always meant to be generic and is always for every
emulated MMIO. So you want to limit any change in it. Checking the MMIO
region belongs to the hostbridge and doing the translation is IMHO not a
good idea to do
On 15.11.23 20:33, Julien Grall wrote:
> Hi Oleksandr,
Hello Julien
>
> On 15/11/2023 18:14, Oleksandr Tyshchenko wrote:
>> On 15.11.23 19:31, Julien Grall wrote:
>>> On 15/11/2023 16:51, Oleksandr Tyshchenko wrote:
On 15.11.23 14:33, Julien Grall wrote:
> Thanks for adding support f
Hi Oleksandr,
On 15/11/2023 18:14, Oleksandr Tyshchenko wrote:
On 15.11.23 19:31, Julien Grall wrote:
On 15/11/2023 16:51, Oleksandr Tyshchenko wrote:
On 15.11.23 14:33, Julien Grall wrote:
Thanks for adding support for virtio-pci in Xen. I have some questions.
On 15/11/2023 11:26, Sergiy Ki
On 15.11.23 19:31, Julien Grall wrote:
> Hi Oleksandr,
Hello Julien
>
> On 15/11/2023 16:51, Oleksandr Tyshchenko wrote:
>>
>>
>> On 15.11.23 14:33, Julien Grall wrote:
>>> Hi,
>>
>>
>> Hello Julien
>>
>> Let me please try to explain some bits.
>>
>>
>>>
>>> Thanks for adding support for virt
Hi Oleksandr,
On 15/11/2023 16:51, Oleksandr Tyshchenko wrote:
On 15.11.23 14:33, Julien Grall wrote:
Hi,
Hello Julien
Let me please try to explain some bits.
Thanks for adding support for virtio-pci in Xen. I have some questions.
On 15/11/2023 11:26, Sergiy Kibrik wrote:
From: Olek
On 15.11.23 14:33, Julien Grall wrote:
> Hi,
Hello Julien
Let me please try to explain some bits.
>
> Thanks for adding support for virtio-pci in Xen. I have some questions.
>
> On 15/11/2023 11:26, Sergiy Kibrik wrote:
>> From: Oleksandr Tyshchenko
>>
>> In order to enable more use-cases
Hi,
Thanks for adding support for virtio-pci in Xen. I have some questions.
On 15/11/2023 11:26, Sergiy Kibrik wrote:
From: Oleksandr Tyshchenko
In order to enable more use-cases such as having multiple
device-models (Qemu) running in different backend domains which provide
virtio-pci devices
From: Oleksandr Tyshchenko
In order to enable more use-cases such as having multiple
device-models (Qemu) running in different backend domains which provide
virtio-pci devices for the same guest, we allocate and expose one
PCI host bridge for every virtio backend domain for that guest.
For that
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