One might reasonably expect something from Novell is this area, given the
recently announced relationship with Microsoft?
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Hiromichi Itou
Sent: Tuesday, November 14, 2006 3:03 AM
To: Pasi Kärkkäinen
Cc: Xen Devel
Subject: Re: [Xen-devel] Is anyone working on HVM Paravirt drivers for windows?
Hi,
We can use HVM Paravirt driver for windows now.
It is included in XenEnterprise3.1.0b1.
Is there a plan to make this driver to open source?
---
Begi.net (http://Begi.net)
Director of Engineering Department
Hiromichi Ito (ito@xxxxxxxx)
On 2006/11/02, at 17:50, Pasi Kärkkäinen wrote:
> On Wed, Nov 01, 2006 at 12:08:02PM -0500, Vessey, Bruce A wrote:
>> It would be nice if somebody releases HVM paravirt drivers for
>> Windows as open source, but I'm not holding my breath.
>> Why? Because of the Microsoft DDK license. There's no requirement
>> that a Windows device driver developer use the Microsoft DDK, but in
>> my experience most do. The typical methodology for a Windows driver
>> developer is to take the sample code from the DDK as a starting
>> point, and build the driver from there. But the DDK has some
>> interesting licensing restrictions that, to me, don't look compatible
>> with open source. The Microsoft DDK license is available at
>> http://www.microsoft.com/whdc/devtools/ddk/ServerSP1DDKEULA.mspx
>> Sections 3 & 4 look particularly problematic.
>>
>> Maybe somebody out there is developing (or has developed) Windows
>> drivers without any encumbrances from the Windows DDK.
>> I think that's the only way we'll see open source Windows drivers.
>>
>
> Thanks for pointing this out.
>
> How about XenSource/RedHat/Novell guys.. any comments?
>
> -- Pasi
>
>> - Bruce
>>
>> -----Original Message-----
>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
>> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ben Thomas
>> Sent: Monday, October 30, 2006 2:07 PM
>> To: Daniel P. Berrange
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Dave Cameron
>> Subject: Re: [Xen-devel] Is anyone working on HVM Paravirt drivers
>> for windows?
>>
>> Hi,
>>
>> Our current PV on HVM drivers are based upon work that was submitted
>> to xen-devel back in April. As you might recall, our focus has been
>> concurrent support of 32 and 64 bit fully virtualized domains, and
>> all of our work supports this. I'm sure that the concepts of what
>> we've done, and what was placed into the open source project starting
>> in July, are quite similar. However, given the time frames involved,
>> and the base work not being included back in April, I also have no
>> doubts that the interfaces aren't identical.
>>
>> As noted, we have these drivers running and performing extremely well
>> at our beta customers. We support concurrent usage for both
>> 32 and
>> 64 bit user domains. The Linux code was released a short while back,
>> and is open source and available for download on our website.
>>
>> The Windows drivers were completely developed in-house, and there are
>> currently internal discussions about whether or not we will release
>> them as open source.
>>
>> -b
>>
>>
>> Daniel P. Berrange wrote:
>>> Are they compatible with the current xen-unstable or 3.0.3 releases,
>>> or do they have a dependnacy on the other hypervisor changes in the
>>> VirtualIron codepath posted a few weeks back ?
>>>
>>> Regards,
>>> Dan.
>>>
>>> On Fri, Oct 27, 2006 at 07:37:36AM -0400, Ben Thomas wrote:
>>>
>>>> Yes; we have.
>>>>
>>>> On 10/27/06, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>>>>
>>>>>
>>>>> OK.
>>>>>
>>>>> How about people from XenSource, VirtualIron, Intel, IBM,
>>>>> Fujitsu..
>>>>> are you writing windows PV drivers?
>>>>>
>>>>> -- Pasi
>>>>>
>>>>>
>>
>> --
>> ---------------------------------------------------------------------
>> ---
>> Ben Thomas Virtual Iron
>> Software
>> bthomas@xxxxxxxxxxxxxxx Tower 1, Floor 2
>> 978-849-1214 900 Chelmsford
>> Street
>> Lowell, MA 01851
>>
>
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