> From: Heng Qi
> Sent: Friday, April 14, 2023 12:01 AM
>
> 在 2023/4/14 上午11:10, Jason Wang 写道:
> > On Fri, Apr 14, 2023 at 5:46 AM Michael S. Tsirkin wrote:
> >> On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
> >For example, when the packets of certain
> > +tunnels are
在 2023/4/14 上午11:10, Jason Wang 写道:
On Fri, Apr 14, 2023 at 5:46 AM Michael S. Tsirkin wrote:
On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
For example, when the packets of certain
+tunnels are spread across multiple receive queues, these receive
queues may have an unbalanced
在 2023/4/14 上午5:43, Michael S. Tsirkin 写道:
On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
For example, when the packets of certain
+tunnels are spread across multiple receive queues, these receive
queues may have an unbalanced
+amount of packets. This can cause a specific
> From: Jason Wang
> Sent: Thursday, April 13, 2023 11:38 PM
> > > 1) spec doesn't enforce the size of a specific structure
> > Spec will be extended in coming time.
>
> It's too late to do any new restriction without introducing a flag.
We are really diverging from the topic.
I don’t think
On Fri, Apr 14, 2023 at 11:18 AM Parav Pandit wrote:
>
>
>
> > From: Jason Wang
> > Sent: Thursday, April 13, 2023 11:10 PM
>
> > > We have two options to satisfy the requirements.
> > > (partly taken/repeated from Jason's yday email).
> > >
> > > 1. AQ (solves reset) + notification for building
On Fri, Apr 14, 2023 at 11:22 AM Parav Pandit wrote:
>
>
>
> > From: Jason Wang
> > Sent: Thursday, April 13, 2023 11:18 PM
>
> > > >
> > > > It's a must for ABI and migration compatibility:
> > > >
> > > > 1) The offset is not necessarily a page boundary
> > > > 2) The length is not necessarily
> From: Jason Wang
> Sent: Thursday, April 13, 2023 11:18 PM
> > >
> > > It's a must for ABI and migration compatibility:
> > >
> > > 1) The offset is not necessarily a page boundary
> > > 2) The length is not necessarily times of a PAGE_SIZE
> > > 3) PAGE_SIZE varies among different archs
> >
> From: Jason Wang
> Sent: Thursday, April 13, 2023 11:10 PM
> > We have two options to satisfy the requirements.
> > (partly taken/repeated from Jason's yday email).
> >
> > 1. AQ (solves reset) + notification for building non transitional
> > device that support perform well and it is both
On Fri, Apr 14, 2023 at 11:13 AM Parav Pandit wrote:
>
>
>
> > From: Jason Wang
> > Sent: Thursday, April 13, 2023 11:09 PM
>
> >
> > Actually not, I think I've mentioned the reason for several times:
> >
> > It's a must for ABI and migration compatibility:
> >
> > 1) The offset is not
> From: Jason Wang
> Sent: Thursday, April 13, 2023 11:09 PM
>
> Actually not, I think I've mentioned the reason for several times:
>
> It's a must for ABI and migration compatibility:
>
> 1) The offset is not necessarily a page boundary
> 2) The length is not necessarily times of a
On Fri, Apr 14, 2023 at 5:46 AM Michael S. Tsirkin wrote:
>
> On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
> > > > For example, when the packets of certain
> > > > +tunnels are spread across multiple receive queues, these receive
> > > > queues may have an unbalanced
> > > > +amount
On Fri, Apr 14, 2023 at 3:39 AM Parav Pandit wrote:
>
>
> > From: Michael S. Tsirkin
> > Sent: Thursday, April 13, 2023 1:20 PM
> >
> > On Thu, Apr 13, 2023 at 01:14:15PM +0800, Jason Wang wrote:
> > > > The proposed solution in this series enables it and avoid per
> > > > field sw
> >
On Fri, Apr 14, 2023 at 1:24 AM Parav Pandit wrote:
>
>
>
> On 4/13/2023 1:14 AM, Jason Wang wrote:
>
> >> For LM BAR length and number should be same between two PCI VFs. But its
> >> orthogonal to this point. Such checks will be done anyway.
> >
> > Quoted the wrong sections, I think it should
On 2023/04/13 22:39, Eric Auger wrote:
Hi,
On 4/13/23 13:01, Akihiko Odaki wrote:
On 2023/04/13 19:40, Jean-Philippe Brucker wrote:
Hello,
On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote:
Hi,
Recently I encountered a problem with the combination of Linux's
virtio-iommu driver
> From: Jason Wang
> Sent: Thursday, April 13, 2023 10:37 PM
> I'm not sure I get this. With VIRTIO_NET_F_LEGACY_HEADER, we don't need
> mediation for datapath. For the control path, mediation is a must for legacy
> and
> it's very easy to keep it work for modern, what's wrong with that?
On Fri, Apr 14, 2023 at 5:08 AM Parav Pandit wrote:
>
>
>
> > From: Michael S. Tsirkin
> > Sent: Thursday, April 13, 2023 5:02 PM
>
> > This thing ... you move some code to the card and reduce the amount of
> > virtio
> > knowledge in software but do not eliminate it completely.
> Sure.
On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
> > > For example, when the packets of certain
> > > +tunnels are spread across multiple receive queues, these receive
> > > queues may have an unbalanced
> > > +amount of packets. This can cause a specific receive queue to
> > > become
On Thu, Apr 13, 2023 at 07:03:26PM +0800, Heng Qi wrote:
> > > For example, when the packets of certain
> > > +tunnels are spread across multiple receive queues, these receive
> > > queues may have an unbalanced
> > > +amount of packets. This can cause a specific receive queue to
> > > become
> From: Michael S. Tsirkin
> Sent: Thursday, April 13, 2023 5:02 PM
> This thing ... you move some code to the card and reduce the amount of virtio
> knowledge in software but do not eliminate it completely.
Sure. Practically there is no knowledge other than transporting like a vxlan
On Thu, Apr 13, 2023 at 01:24:24PM -0400, Parav Pandit wrote:
> > > > - work for virtualization (and it work even without dedicated
> > > > mediation for some setups)
> > > I am not aware where can it work without mediation. Do you know any
> > > specific kernel version where it actually works?
>
> From: Michael S. Tsirkin
> Sent: Thursday, April 13, 2023 1:20 PM
>
> On Thu, Apr 13, 2023 at 01:14:15PM +0800, Jason Wang wrote:
> > > The proposed solution in this series enables it and avoid per
> > > field sw
> > > >>> interpretation and mediation in parsing values etc.
>
>
On 4/13/2023 1:14 AM, Jason Wang wrote:
For LM BAR length and number should be same between two PCI VFs. But its
orthogonal to this point. Such checks will be done anyway.
Quoted the wrong sections, I think it should be:
"
length MAY include padding, or fields unused by the driver, or
On Thu, Apr 13, 2023 at 01:14:15PM +0800, Jason Wang wrote:
> > The proposed solution in this series enables it and avoid per field sw
> > >>> interpretation and mediation in parsing values etc.
... except for reset, notifications, and maybe more down the road.
> > >>> I don't think it's
On Wed, Apr 12, 2023 at 01:37:59PM +0800, Jason Wang wrote:
> On Wed, Apr 12, 2023 at 1:25 PM Michael S. Tsirkin wrote:
> >
> > On Wed, Apr 12, 2023 at 12:53:52PM +0800, Jason Wang wrote:
> > > On Wed, Apr 12, 2023 at 12:20 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Wed, Apr 12, 2023
Hi,
On 4/13/23 13:01, Akihiko Odaki wrote:
> On 2023/04/13 19:40, Jean-Philippe Brucker wrote:
>> Hello,
>>
>> On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote:
>>> Hi,
>>>
>>> Recently I encountered a problem with the combination of Linux's
>>> virtio-iommu driver and QEMU when a
Dear virtio-dev community,
I would like to introduce you Virtio-loopback, Proof of Concept (PoC) that
we have been working on at Virtual Open Systems in the context of the
Automotive Grade Linux community (Virtualization & Containers expert
group - EG-VIRT).
We consider this work as a PoC and we
On 2023/04/13 19:40, Jean-Philippe Brucker wrote:
Hello,
On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote:
Hi,
Recently I encountered a problem with the combination of Linux's
virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled.
I'd like to ask you what kind
Hello,
On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote:
> Hi,
>
> Recently I encountered a problem with the combination of Linux's
> virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled.
> I'd like to ask you what kind of solution is appropriate here and
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