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Re: [Xen-devel] Automotive PV drivers project request

David, agree on all kernel drivers but what about userspace backends
and other OSes?
Artem Mygaiev | AVP - Delivery
P +380.44.4929695 ext.2023 M +380.67.9211131 S rosenkrantzguildenstern


On Thu, Jun 5, 2014 at 2:17 PM, David Vrabel <david.vrabel@xxxxxxxxxx> wrote:
> On 04/06/14 14:04, Artem Mygaiev wrote:
>> As a part of effort on bringing Xen into Automotive (and thus Embedded)
>> space, we are working on a set of PV drivers needed to share
>> peripherals between domains.
>>  * PV audio - new driver using ALSA
>>  * PV USB - based on old existing PV USB solution
>>  * PV framebuffer - modifications and improvements for existing FB
>>  * PV events - new driver for sharing HIDs across domains (touchscreen,
>>    keyb, etc.)
>> This list is not final, other things are to be added later on. Each
>> driver consists, obviously, of frontend and backend which may be
>> implemented for different OSes. So far only Linux is supported, QNX is
>> wip, ArcCore or similar being considered. Due to this, each driver has
>> following structure (sample):
>> /pv_audio
>>   /linux-alsa-be
>>   /linux-fe
>>   /qnx-be
>>   /qnx-fe
>> Linux kernel code is developed under GPLv2 license, userspace
>> components like some backends are under Apache 2 license, so can be
>> integrated into software with commercial licenses. QNX and other OSes
>> will have licenses that are required by corresponding regulations, some
>> may be not open nevertheless we tend to make all parts of the code
>> available to the Xen community.
> I don't want to see Linux drivers languishing in a sub-project -- they
> should all be merged into Linux proper.
> David

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