[Qemu-devel] Re: virtio-serial: An interface for host-guest communication

[Anthony Liguori]

Richard W.M. Jones wrote:
> On Mon, Jul 27, 2009 at 06:44:28PM -0500, Anthony Liguori wrote:
>   
>> It really suggests that you need _one_ vmchannel that's exposed to  
>> userspace with a single userspace daemon that consumes it.
>>     
>
> ... or a more flexible API.  I don't like having fixed /dev/vmch*
> devices either.
>   

Have you considered using a usb serial device?  Something attractive 
about it is that a productid/vendorid can be specified which means that 
you can use that as a method of enumerating devices.

Hot add/remove is supported automagically.

Regards,

Anthony Liguori