Virtio support in Windows

[Laurent Léonard]

Hi,

What about Virtio support in Windows in virtinst OS dictionary ?

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535782

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[Daniel P. Berrange-2]

On Wed, Jul 15, 2009 at 12:38:14AM +0200, Laurent L?onard wrote:
> Hi,
>
> What about Virtio support in Windows in virtinst OS dictionary ?
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535782

Would that be possible? The OS dictionary is (currently) only ever
used for initial installation. The Windows VirtIO drivers can only
be installed post-install. So, AFAICT, it wouldn't be possible todo a
install with virtio enabled in the os dictionary for Windows. Unless
perhaps there's a way to provide them as a driver disk to the initial
installer ? If we booted with a 2nd CDROM or floppy device containing
the VirtIO drivers would the Windows installer be able to use that ?


Daniel
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[Ben Kochie]

You can create custom windows installers with pre-packed service packs and
drivers.  So in theory you could add the virtio drivers to a windows
install ISO.

-ben

  "UNIX is user-friendly, it's just picky about its friends."

On Tue, 14 Jul 2009, Daniel P. Berrange wrote:

> On Wed, Jul 15, 2009 at 12:38:14AM +0200, Laurent L?onard wrote:
>> Hi,
>>
>> What about Virtio support in Windows in virtinst OS dictionary ?
>>
>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535782
>
> Would that be possible? The OS dictionary is (currently) only ever
> used for initial installation. The Windows VirtIO drivers can only
> be installed post-install. So, AFAICT, it wouldn't be possible todo a
> install with virtio enabled in the os dictionary for Windows. Unless
> perhaps there's a way to provide them as a driver disk to the initial
> installer ? If we booted with a 2nd CDROM or floppy device containing
> the VirtIO drivers would the Windows installer be able to use that ?
>
>
> Daniel
> --
> |: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
> |: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
> |: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
> |: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|
>
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[Itamar Reis Peixoto]

using nlite you are able to do this.


On Tue, Jul 14, 2009 at 7:48 PM, Ben Kochie<ben@...> wrote:
> You can create custom windows installers with pre-packed service packs and
> drivers.  So in theory you could add the virtio drivers to a windows install
> ISO.
>
> -ben
>


------------

Itamar Reis Peixoto

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[Laurent Léonard]

Le mercredi 15 juillet 2009 à 00:44, Daniel P. Berrange a écrit :

> On Wed, Jul 15, 2009 at 12:38:14AM +0200, Laurent L?onard wrote:
> > Hi,
> >
> > What about Virtio support in Windows in virtinst OS dictionary ?
> >
> > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535782
>
> Would that be possible? The OS dictionary is (currently) only ever
> used for initial installation. The Windows VirtIO drivers can only
> be installed post-install. So, AFAICT, it wouldn't be possible todo a
> install with virtio enabled in the os dictionary for Windows. Unless
> perhaps there's a way to provide them as a driver disk to the initial
> installer ? If we booted with a 2nd CDROM or floppy device containing
> the VirtIO drivers would the Windows installer be able to use that ?

For the moment, to make a clean Windows install with virtio network support I
follow this procedure:
- Add the virtio network adapter to the VM configuration (and remove the old
one)
- Boot on the Windows setup ISO
- Standard Windows install
- At the first boot Windows detects the unknown network hardware
- Simply replace the Windows setup ISO by the Virtio drivers ISO

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[Andrew Cathrow-2]

On Tue, 2009-07-14 at 23:44 +0100, Daniel P. Berrange wrote:

On Wed, Jul 15, 2009 at 12:38:14AM +0200, Laurent L?onard wrote:
> Hi,
> 
> What about Virtio support in Windows in virtinst OS dictionary ?
> 
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535782

Would that be possible? The OS dictionary is (currently) only ever
used for initial installation. The Windows VirtIO drivers can only
be installed post-install. 

We can attach a virtual floppy during install containing the virtio block driver to be used by the win2k3/xp/2k8/vista installers.
The user would have to select the driver from a list when they get to the storage configuration screen in the installer but this works today.

So, AFAICT, it wouldn't be possible todo a
install with virtio enabled in the os dictionary for Windows. Unless
perhaps there's a way to provide them as a driver disk to the initial
installer ? If we booted with a 2nd CDROM or floppy device containing
the VirtIO drivers would the Windows installer be able to use that ?


Daniel

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[Emre Erenoglu]

On Wed, Jul 15, 2009 at 3:02 AM, Andrew Cathrow <acathrow@...> wrote:

We can attach a virtual floppy during install containing the virtio block driver to be used by the win2k3/xp/2k8/vista installers.
The user would have to select the driver from a list when they get to the storage configuration screen in the installer but this works today.

Are virtio block devices released for Windows? I though there were only Network drivers available.

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[Laurent Léonard]

Le mercredi 15 juillet 2009 à 12:50, Emre Erenoglu a écrit :
> On Wed, Jul 15, 2009 at 3:02 AM, Andrew Cathrow <acathrow@...> wrote:
> > We can attach a virtual floppy during install containing the virtio block
> > driver to be used by the win2k3/xp/2k8/vista installers.
> > The user would have to select the driver from a list when they get to the
> > storage configuration screen in the installer but this works today.
>
> Are virtio block devices released for Windows? I though there were only
> Network drivers available.

I think at this time only Virtio network adapter drivers are available for
Windows. There are no Virtio block drivers for Windows on the kvm Sourceforge
project...

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[Richard W.M. Jones-2]

On Wed, Jul 15, 2009 at 12:50:43PM +0200, Emre Erenoglu wrote:
> On Wed, Jul 15, 2009 at 3:02 AM, Andrew Cathrow <acathrow@...> wrote:
>
> > We can attach a virtual floppy during install containing the virtio block
> > driver to be used by the win2k3/xp/2k8/vista installers.
> > The user would have to select the driver from a list when they get to the
> > storage configuration screen in the installer but this works today.
> >
>
> Are virtio block devices released for Windows?

Not yet, but shortly.

Rich.

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[Laurent Léonard]

What about a generic Windows target with (network only at this time) virtio
support, like the "virtio26" target ?

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