[fedora-virt] <Hostdevice> parameters
Andrés García
andres at verot.com
Thu Oct 1 17:37:05 UTC 2009
Hi,
I want to set up wo virtual WinXP machines to act as licence managers
for a couple of CAD/CAM programs.
With the first one, everything went well, but when I got the second one
to work, the virtual machines got confused, as if they didn't know which
was their dongle.
I think it is because in their definition files there is something like:
...
<hostdev mode='subsystem' type='usb'>
<source>
<vendor id='0x1234'/>
<product id='0xbeef'/>
</source>
</hostdev>
...
The vendor and product ids are the same in both cases.
I saw in the docs that I can't change it to:
<hostdev mode='subsystem' type='sub'>
<source>
<address bus='0x06' slot='0x02' function='0x0'/>
</source>
</hostdev>
'bus' and 'slot' I can get with 'lsusb', but what does 'function' mean?
Thanks,
Andrés
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