libvirt users - Dec 2013 - how to add/remove emulated usb removable devices to guests

Good day, i was not able to find api to add/remove usb removable devices 
to guest, i have windows machines and need to plug usb stick with some 
fs (fat or ntfs) which is image on host, i was found what it is possible 
and implemented in libvirt 
https://bugzilla.redhat.com/show_bug.cgi?id=922495, but i can't find how 
to use this.

Alexandr писал 2013-12-04 04:38:
> Good day, i was not able to find api to add/remove usb removable
> devices to guest, i have windows machines and need to plug usb stick
> with some fs (fat or ntfs) which is image on host, i was found what it
> is possible and implemented in libvirt
> https://bugzilla.redhat.com/show_bug.cgi?id=922495, but i can't find
> how to use this.
> 
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> libvirt-users mailing list
> libvirt-users@redhat.com
> https://www.redhat.com/mailman/listinfo/libvirt-users
Ok, i have found needed info, i can do what i need with following xml
<disk type='file' device='disk'>
   <source file='/path/to/file'/>
   <target dev='sda' removable='on' bus='usb'/>
   <readonly/>
</disk>

but image required to be valid disk with mbr, i have implemented code to 
create it for me from files, but it's another story.