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Re: PVH mode PCI passthrough status
- To: tosher 1 <akm2tosher@xxxxxxxxx>
- From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>
- Date: Wed, 30 Dec 2020 06:22:38 +0000
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Paul Durrant <xadimgnik@xxxxxxxxx>
- Delivery-date: Wed, 30 Dec 2020 06:23:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHW3nQr/op/89E1c0G2q24tiQpaZw==
- Thread-topic: PVH mode PCI passthrough status
Hi, all
On 12/29/20 8:32 PM, Roger Pau Monné wrote:
> On Tue, Dec 29, 2020 at 05:01:50PM +0000, tosher 1 wrote:
>> Hi Roger,
>>
>>> I think you meant PVH mode in the sentence above instead of PVM?
>> Sorry, that was a typo. I meant PVH.
>>
>>> Arm folks are working on using vPCI for domUs, which could easily be picked
>>> up by x86 once ready. There's also the option to import xenpt [0] from Paul
>>> Durrant and use it with PVH, but it will likely require some work.
>> Thanks for your response. Do you have any timeline in mind on when support
>> for x86 will be available? A rough estimate would help me with planning
>> something.
> I'm adding the relevant people working on this, Oleksandr for the vPCI
> Arm work and Paul for xenpt.
This is indeed WIP and the thing is being developed by many parties: ARM, EPAM,
Xilinx...
And unfortunately I cannot give you even a rough estimate when this is going to
happen
as there are so many topics to cover for ARM yet. Of course, we try to make the
code fit x86
as well, so we share the code between the architectures...
Thank you,
Oleksandr
>
> The xenpt stuff shouldn't be complicated (Paul can correct me), as it
> would mostly involve importing xenpt into the xen.git repository and
> then wiring it up for the toolstack to use it, at least to get an
> initial version working.
>
> Roger.
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