Re: [PATCH] USB support

[Anthony Liguori <aliguori@us.ibm.com>]

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@intel.com
> Ph: (303)440-1368 
>
>   
>> -----Original Message-----
>> From: Anthony Liguori [mailto:aliguori@us.ibm.com] 
>> Sent: Wednesday, June 07, 2006 1:56 PM
>> To: Dugger, Donald D
>> Cc: xen-devel@lists.xensource.com
>> 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@intel.com>
>>>   
>>>       
>> 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
>>
>>