Re: [Xen-devel] [PATCH] USB support

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Dugger, Donald D wrote:
> Anthony-
>
> Not knowing when the move to 0.8.1 will get done (although I know it
> should be soon) I wanted to get this out now, especially since the
> changes aren't that extensive, it's mainly the new USB files.  The
> current Windows guest under VNC is so much better with the USB tablet
> mouse that I thought it was worth the effort to provide this as an
> interim solution.
>
> I must have missed your SDL patch, I'll go find it.
>
> Tnx for the pointer about the evdev, I'll have to try that (although I'm
> pretty sure `gpm' still doesn't work with the USB tablet).
>   
There are patches floating around to add evdev support for gpm.  
Unfortunately, Linux mouse support is ages behind Windows :-(  It is 
catching up at least.
http://www.geocities.com/dt_or/

Regards,

Anthony Liguori

> --
> Don Dugger
> "Censeo Toto nos in Kansa esse decisse." - D. Gale
> Donald.D.Dugger@xxxxxxxxx
> Ph: (303)440-1368 
>
>   
> > -----Original Message-----
> > From: Anthony Liguori [mailto:aliguori@xxxxxxxxxx] 
> > Sent: Wednesday, June 07, 2006 1:56 PM
> > To: Dugger, Donald D
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] [PATCH] USB support
> >
> > Donald D. Dugger wrote:
> >     
> > > This patch backports the USB support from QEMU 0.8.1 to the 
> > >       
> > current Xen
> >     
> > > device model.  To support USB there are two new optional config lines
> > > that can be added to the guest config file:
> > >
> > >     usb=1
> > >         This will enable USB without defining a specific USB device.
> > >         This option is assumed and not needed if the `usbdevice' option
> > >         is given.
> > >
> > >     usbdevce='device'
> > > 	This will enable USB and also enable support for the 
> > >       
> > given device.
> >     
> > >         Currently, the only two devices are `mouse' (a PS/2 mouse) and
> > > 	`tablet' (an absolute pointing device).  The advantage 
> > >       
> > of `tablet'
> >     
> > > 	is that Windows guests will automatically recognize and 
> > >       
> > support this
> >     
> > >         device so specifying the config line:
> > >
> > >                 usbdevice='tablet'
> > >
> > >         will create a mouse that works transparently with Windows guests
> > >         under VNC.  (Linux doesn't recognize the USB tablet yet so Linux
> > >         guests under VNC will still need the Summagraphics emulation.)
> > >
> > >
> > > Signed-off-by: Don Dugger <donald.d.dugger@xxxxxxxxx>
> > >   
> > >       
> > Why not just wait until the QEMU version is ported to the newest one?
> >
> > BTW, you want to grab evtouch for USB tablet support under Linux.  I 
> > also have a patch which will be in the next version of evtouch 
> > that adds 
> > mouse wheel and 3rd button support to evtouch.
> > You're also missing another patch I posted to qemu-devel that fixes a 
> > strange SDL capture problem with relative mouse mode that 
> > Fabrice hasn't 
> > picked up yet.  I'd really suggest moving all of QEMU up because this 
> > the USB emulation is under development still so you'll have to 
> > be doing 
> > an awful lot of back porting.
> > The newest versions of Xorg will just work (with evdev).
> >
> > http://stz-softwaretechnik.com/~ke/touchscreen/evtouch.html
> >
> > http://www.cs.utexas.edu/users/aliguori/evtouch-middle-scroll.diff
> >
> > Regards,
> >
> > Anthony Liguori
> >
> >     

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