Re: [Xen-users] DomU Direct Hardware access

[Andrej Radonic <andrej.radonic@xxxxxxxx>]

William Man schrieb:
> When you specify vif, you are creating a virtual interface, not a way to 
> acces the network card.
> The setup i have, is the machine has 2 pci network cards.  Both using 
> pci_hide, and i create 2 vif as below:
> vif = 
> ['mac=aa:00:00:00:00:13,bridge=dmz','mac=aa:00:00:00:00:12,bridge=intranet'] 
>
> This means the domU will have 4 eth connections.  2 vritual, 2 physical. 
> It does the routing and is also the dmz server.
> Other domUs, I have:
>
> vif = ['mac=aa:00:00:00:00:15, bridge=intranet']
>
> Allowing that machine to have access to the virtual network connection, 
> intranet.
It's the concept of "driver domain" what I am after:

to have a domU which has exclusive access to a NIC. the driver is 
encapsulated in the domU and ensures security and stability of the 
overall system.
other domUs should be able to use this "driver" for network access. if 
you specify "vif" then implicitly dom0 is accessed for network 
connections. but there is also the vif-parameter "backend" which should 
enable the domU to specify a different "dom0" (in this case a domU as 
driver domain with privileges).
is it becoming clear what I am trying to achieve?

thx,
Andrej


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