From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Wolfe Subject: RE: RE: GPL Win PV driver issues Date: Tue, 01 Jan 2008 13:06:15 -0600 Message-ID: <1199214375.4866.10.camel@localhost.localdomain> References: <1197579906.25317.21.camel@lute.groveronline.com> <4762D7C5.70504@virtualiron.com> <20071214193659.GE28463@bit.office.eurotux.com> Reply-To: brianw@terrabox.com Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: James Harper Cc: xen-devel List-Id: xen-devel@lists.xenproject.org I wish I could help out a bit by compiling for nt2k pro but unfortunately MS wants me to buy their developers subscription for $1k+ USD. 8-( I can't afford that kind of cash. *sigh* If anyone can front me the necessary installables for compiling the windows PV drivers I'm willing to have a go at helping out. :) On Sat, 2007-12-15 at 09:17 +1100, James Harper wrote: > > > > I've been thinking about this. Isn't it possible to allow both QEMU > and > > PV devices to exist, and create a combined HW/PV driver? I.e., a > driver > > for both the emulated device under Windows (as a later version than > the > > one shipped in Windows). Then, if really running under Xen, the driver > > instructs dom0 to optionally terminate the QEMU server side and use > the > > PV approach for communication. > > > > As the emulated devices are well understood (and there's QEMU's > source), > > would this be hard to do? > > > > The way I've implemented the driver for the Xen PCI device is that it > becomes a bus driver and enumerates the things under 'devices' in > xenstore (eg vbd, vif, console) and then drivers attach to those. > > For your idea to work, a single driver would need to attach to both the > emulated PCI disk/network adapter, and the Xen PV device. I don't think > this is possibly under the windows driver model. > > But I've only been writing windows drivers for a few months now, so > there's probably a lot of stuff I don't know :) > > James > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel