Re: [Xen-devel] [Need Input] (informal) Automotive PV drivers subproject request

[Lars Kurth <lars.kurth@xxxxxxx>]

> Which allows them to be imported/shared with other OSes. Could you 
consider
> releasing the Linux drivers under this kind of license?

@Roger: Can you explain why this is a good idea? Apart from consitency
I think I know, but am not 100% sure. I suppose there are benefits for 
the likes of MiniOS, BSD, ...
Lars

On 04/06/2014 15:36, Roger Pau Monné wrote:
> On 04/06/14 15:04, 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.
> Hello,
>
> Most of the Xen PV frontends/backends inside of the Linux kernel are
> under a dual-license like the following (this one is from blkfront):
>
>   * This program is free software; you can redistribute it and/or
>   * modify it under the terms of the GNU General Public License version 2
>   * as published by the Free Software Foundation; or, when distributed
>   * separately from the Linux kernel or incorporated into other
>   * software packages, subject to the following license:
>   *
>   * Permission is hereby granted, free of charge, to any person obtaining a copy
>   * of this source file (the "Software"), to deal in the Software without
>   * restriction, including without limitation the rights to use, copy, modify,
>   * merge, publish, distribute, sublicense, and/or sell copies of the Software,
>   * and to permit persons to whom the Software is furnished to do so, subject to
>   * the following conditions:
>   *
>   * The above copyright notice and this permission notice shall be included in
>   * all copies or substantial portions of the Software.
>   *
>   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
>   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
>   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
>   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
>   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
>   * IN THE SOFTWARE.
>
> Which allows them to be imported/shared with other OSes. Could you
> consider releasing the Linux drivers under this kind of license?
>
> Thanks, Roger.
>
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