From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Kurth Subject: Re: [Need Input] (informal) Automotive PV drivers subproject request Date: Wed, 04 Jun 2014 16:21:00 +0100 Message-ID: <538F395C.2000400@xen.org> References: <538F2EFD.1020909@citrix.com> Reply-To: lars.kurth@xen.org Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <538F2EFD.1020909@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= , Artem Mygaiev , "xen-devel@lists.xen.org" , Andrii Tseglytskyi List-Id: xen-devel@lists.xenproject.org > 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 Monn=E9 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, mo= dify, > * merge, publish, distribute, sublicense, and/or sell copies of the Sof= tware, > * and to permit persons to whom the Software is furnished to do so, sub= ject to > * the following conditions: > * > * The above copyright notice and this permission notice shall be includ= ed in > * all copies or substantial portions of the Software. > * > * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRE= SS OR > * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILI= TY, > * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHA= LL THE > * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISI= NG > * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER D= EALINGS > * 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. > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel