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Re: [Xen-users] DomU Direct Hardware access

To: Muli Ben-Yehuda <muli@xxxxxxxxxx>
Subject: Re: [Xen-users] DomU Direct Hardware access
From: Andrej Radonic <andrej.radonic@xxxxxxxx>
Date: Thu, 03 Aug 2006 06:09:40 +0200
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, William Man <billybahlah@xxxxxxxxxxx>
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Muli Ben-Yehuda wrote:
On Wed, Aug 02, 2006 at 04:47:08PM +0200, Andrej Radonic wrote:
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.

Only if you have an isolation capable IOMMU in the machine...
Muli,
sorry for keeping on picking at this: but what is the "backend" parameter in the vif statement then for (also found in block-attach as well as network-attach)? I thought it makes no difference to a domU if it accesses a device in dom0 or domU-X ...

Thx,
Andrej

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