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* [Qemu-devel] updated: kvm PCI todo wiki
@ 2013-08-21 10:48 Michael S. Tsirkin
  2013-08-21 12:45 ` Hannes Reinecke
  0 siblings, 1 reply; 6+ messages in thread
From: Michael S. Tsirkin @ 2013-08-21 10:48 UTC (permalink / raw)
  To: kvm, qemu-devel, virtualization

Hey guys,
I've put up a wiki page with a kvm PCI todo list,
mainly to avoid effort duplication, but also in the hope
to draw attention to what I think we should try addressing
in KVM:

http://www.linux-kvm.org/page/PCITodo

This page could cover all PCI related activity in KVM,
it is very incomplete.
We should probably add e.g. IOMMU related stuff.

Note: if there's no developer listed for an item,
this just means I don't know of anyone actively working
on an issue at the moment, not that no one intends to.

I would appreciate it if others working on one of the items on this list
would add their names so we can communicate better.  If others like this
wiki page, please go ahead and add stuff you are working on if any.

It would be especially nice to add testing projects.

Also, feel free to add links to bugzillas items.

Thanks!

-- 
MST

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [Qemu-devel] updated: kvm PCI todo wiki
  2013-08-21 12:45 ` Hannes Reinecke
@ 2013-08-21 11:52   ` Vadim Rozenfeld
  2013-08-21 12:05   ` Michael S. Tsirkin
  2013-08-22  8:29   ` Nicholas A. Bellinger
  2 siblings, 0 replies; 6+ messages in thread
From: Vadim Rozenfeld @ 2013-08-21 11:52 UTC (permalink / raw)
  To: Hannes Reinecke; +Cc: virtualization, qemu-devel, kvm, Michael S. Tsirkin

On Wed, 2013-08-21 at 14:45 +0200, Hannes Reinecke wrote:
> On 08/21/2013 12:48 PM, Michael S. Tsirkin wrote:
> > Hey guys,
> > I've put up a wiki page with a kvm PCI todo list,
> > mainly to avoid effort duplication, but also in the hope
> > to draw attention to what I think we should try addressing
> > in KVM:
> >
> > http://www.linux-kvm.org/page/PCITodo
> >
> > This page could cover all PCI related activity in KVM,
> > it is very incomplete.
> > We should probably add e.g. IOMMU related stuff.
> >
> > Note: if there's no developer listed for an item,
> > this just means I don't know of anyone actively working
> > on an issue at the moment, not that no one intends to.
> >
> > I would appreciate it if others working on one of the items on this list
> > would add their names so we can communicate better.  If others like this
> > wiki page, please go ahead and add stuff you are working on if any.
> >
> > It would be especially nice to add testing projects.
> >
> > Also, feel free to add links to bugzillas items.
> >
> On a related note, did anyone ever tried to test MSI / MSI-X with a 
> windows guest? I've tried to enable it for virtio but for some reason

MSI-X is a default mode for NetKvm and viostor on Vista and forward.
It must work. Just make sure that CPU family is 0xf or higher, otherwise
Windows will not activate MSI-X.
Vadim.
 
>  
> Windows didn't wanted to enable it. AHCI was even worse; the stock 
> Windows version doesn't support MSI and the Intel one doesn't like our 
> implementation :-(.
> 
> Anyone ever managed to get this to work?
> 
> If not it'd be a good topic for the wiki ...
> 
> Cheers,
> 
> Hannes

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [Qemu-devel] updated: kvm PCI todo wiki
  2013-08-21 12:45 ` Hannes Reinecke
  2013-08-21 11:52   ` Vadim Rozenfeld
@ 2013-08-21 12:05   ` Michael S. Tsirkin
  2013-08-22  8:29   ` Nicholas A. Bellinger
  2 siblings, 0 replies; 6+ messages in thread
From: Michael S. Tsirkin @ 2013-08-21 12:05 UTC (permalink / raw)
  To: Hannes Reinecke; +Cc: qemu-devel, kvm, virtualization

On Wed, Aug 21, 2013 at 02:45:36PM +0200, Hannes Reinecke wrote:
> On 08/21/2013 12:48 PM, Michael S. Tsirkin wrote:
> >Hey guys,
> >I've put up a wiki page with a kvm PCI todo list,
> >mainly to avoid effort duplication, but also in the hope
> >to draw attention to what I think we should try addressing
> >in KVM:
> >
> >http://www.linux-kvm.org/page/PCITodo
> >
> >This page could cover all PCI related activity in KVM,
> >it is very incomplete.
> >We should probably add e.g. IOMMU related stuff.
> >
> >Note: if there's no developer listed for an item,
> >this just means I don't know of anyone actively working
> >on an issue at the moment, not that no one intends to.
> >
> >I would appreciate it if others working on one of the items on this list
> >would add their names so we can communicate better.  If others like this
> >wiki page, please go ahead and add stuff you are working on if any.
> >
> >It would be especially nice to add testing projects.
> >
> >Also, feel free to add links to bugzillas items.
> >
> On a related note, did anyone ever tried to test MSI / MSI-X with a
> windows guest? I've tried to enable it for virtio but for some
> reason Windows didn't wanted to enable it. AHCI was even worse; the
> stock Windows version doesn't support MSI and the Intel one doesn't
> like our implementation :-(.
> Anyone ever managed to get this to work?
> 
> If not it'd be a good topic for the wiki ...
> 
> Cheers,
> 
> Hannes

I put some AHCI - related things there: making intel's
AHCI driver work with QEMU would be nice - e.g.
for windows XP guests. It might also help uncover some bugs.

> -- 
> Dr. Hannes Reinecke		      zSeries & Storage
> hare@suse.de			      +49 911 74053 688
> SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
> GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [Qemu-devel] updated: kvm PCI todo wiki
  2013-08-21 10:48 [Qemu-devel] updated: kvm PCI todo wiki Michael S. Tsirkin
@ 2013-08-21 12:45 ` Hannes Reinecke
  2013-08-21 11:52   ` Vadim Rozenfeld
                     ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Hannes Reinecke @ 2013-08-21 12:45 UTC (permalink / raw)
  To: Michael S. Tsirkin; +Cc: qemu-devel, kvm, virtualization

On 08/21/2013 12:48 PM, Michael S. Tsirkin wrote:
> Hey guys,
> I've put up a wiki page with a kvm PCI todo list,
> mainly to avoid effort duplication, but also in the hope
> to draw attention to what I think we should try addressing
> in KVM:
>
> http://www.linux-kvm.org/page/PCITodo
>
> This page could cover all PCI related activity in KVM,
> it is very incomplete.
> We should probably add e.g. IOMMU related stuff.
>
> Note: if there's no developer listed for an item,
> this just means I don't know of anyone actively working
> on an issue at the moment, not that no one intends to.
>
> I would appreciate it if others working on one of the items on this list
> would add their names so we can communicate better.  If others like this
> wiki page, please go ahead and add stuff you are working on if any.
>
> It would be especially nice to add testing projects.
>
> Also, feel free to add links to bugzillas items.
>
On a related note, did anyone ever tried to test MSI / MSI-X with a 
windows guest? I've tried to enable it for virtio but for some reason 
Windows didn't wanted to enable it. AHCI was even worse; the stock 
Windows version doesn't support MSI and the Intel one doesn't like our 
implementation :-(.

Anyone ever managed to get this to work?

If not it'd be a good topic for the wiki ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [Qemu-devel] updated: kvm PCI todo wiki
  2013-08-22  8:29   ` Nicholas A. Bellinger
@ 2013-08-22  8:27     ` Michael S. Tsirkin
  0 siblings, 0 replies; 6+ messages in thread
From: Michael S. Tsirkin @ 2013-08-22  8:27 UTC (permalink / raw)
  To: Nicholas A. Bellinger
  Cc: Asias He, virtualization, Hannes Reinecke, kvm, qemu-devel

On Thu, Aug 22, 2013 at 01:29:34AM -0700, Nicholas A. Bellinger wrote:
> On Wed, 2013-08-21 at 14:45 +0200, Hannes Reinecke wrote:
> > On 08/21/2013 12:48 PM, Michael S. Tsirkin wrote:
> > > Hey guys,
> > > I've put up a wiki page with a kvm PCI todo list,
> > > mainly to avoid effort duplication, but also in the hope
> > > to draw attention to what I think we should try addressing
> > > in KVM:
> > >
> > > http://www.linux-kvm.org/page/PCITodo
> > >
> > > This page could cover all PCI related activity in KVM,
> > > it is very incomplete.
> > > We should probably add e.g. IOMMU related stuff.
> > >
> > > Note: if there's no developer listed for an item,
> > > this just means I don't know of anyone actively working
> > > on an issue at the moment, not that no one intends to.
> > >
> > > I would appreciate it if others working on one of the items on this list
> > > would add their names so we can communicate better.  If others like this
> > > wiki page, please go ahead and add stuff you are working on if any.
> > >
> > > It would be especially nice to add testing projects.
> > >
> > > Also, feel free to add links to bugzillas items.
> > >
> > On a related note, did anyone ever tried to test MSI / MSI-X with a 
> > windows guest? I've tried to enable it for virtio but for some reason 
> > Windows didn't wanted to enable it. AHCI was even worse; the stock 
> > Windows version doesn't support MSI and the Intel one doesn't like our 
> > implementation :-(.
> > 
> > Anyone ever managed to get this to work?
> > 
> > If not it'd be a good topic for the wiki ...
> > 
> 
> Speaking of which, I asked Asias about this recently and he seems to
> think that virtio-net + virtio-blk drivers for MSFT do in fact support
> MSI /MSI-X.
> 
> MST, do you know if that that true..?
> 
> --nab

Yes, they do for modern windows versions.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [Qemu-devel] updated: kvm PCI todo wiki
  2013-08-21 12:45 ` Hannes Reinecke
  2013-08-21 11:52   ` Vadim Rozenfeld
  2013-08-21 12:05   ` Michael S. Tsirkin
@ 2013-08-22  8:29   ` Nicholas A. Bellinger
  2013-08-22  8:27     ` Michael S. Tsirkin
  2 siblings, 1 reply; 6+ messages in thread
From: Nicholas A. Bellinger @ 2013-08-22  8:29 UTC (permalink / raw)
  To: Hannes Reinecke
  Cc: Asias He, virtualization, qemu-devel, kvm, Michael S. Tsirkin

On Wed, 2013-08-21 at 14:45 +0200, Hannes Reinecke wrote:
> On 08/21/2013 12:48 PM, Michael S. Tsirkin wrote:
> > Hey guys,
> > I've put up a wiki page with a kvm PCI todo list,
> > mainly to avoid effort duplication, but also in the hope
> > to draw attention to what I think we should try addressing
> > in KVM:
> >
> > http://www.linux-kvm.org/page/PCITodo
> >
> > This page could cover all PCI related activity in KVM,
> > it is very incomplete.
> > We should probably add e.g. IOMMU related stuff.
> >
> > Note: if there's no developer listed for an item,
> > this just means I don't know of anyone actively working
> > on an issue at the moment, not that no one intends to.
> >
> > I would appreciate it if others working on one of the items on this list
> > would add their names so we can communicate better.  If others like this
> > wiki page, please go ahead and add stuff you are working on if any.
> >
> > It would be especially nice to add testing projects.
> >
> > Also, feel free to add links to bugzillas items.
> >
> On a related note, did anyone ever tried to test MSI / MSI-X with a 
> windows guest? I've tried to enable it for virtio but for some reason 
> Windows didn't wanted to enable it. AHCI was even worse; the stock 
> Windows version doesn't support MSI and the Intel one doesn't like our 
> implementation :-(.
> 
> Anyone ever managed to get this to work?
> 
> If not it'd be a good topic for the wiki ...
> 

Speaking of which, I asked Asias about this recently and he seems to
think that virtio-net + virtio-blk drivers for MSFT do in fact support
MSI /MSI-X.

MST, do you know if that that true..?

--nab

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-08-22  8:25 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-08-21 10:48 [Qemu-devel] updated: kvm PCI todo wiki Michael S. Tsirkin
2013-08-21 12:45 ` Hannes Reinecke
2013-08-21 11:52   ` Vadim Rozenfeld
2013-08-21 12:05   ` Michael S. Tsirkin
2013-08-22  8:29   ` Nicholas A. Bellinger
2013-08-22  8:27     ` Michael S. Tsirkin

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