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Re: [Qemu-devel] [PATCH 2/2] vfio-powerpc: added VFIO support

From: Benjamin Herrenschmidt
Subject: Re: [Qemu-devel] [PATCH 2/2] vfio-powerpc: added VFIO support
Date: Wed, 11 Jul 2012 10:26:49 +1000

On Wed, 2012-07-11 at 10:17 +1000, Alexey Kardashevskiy wrote:
> So the current one would be SPAPR_TCE_32?

No, the iommu type is SPAPR_TCE, but the *window* info you get here is
the 32-bit window. My thinking is add some versionning and a bunch of
reserved fields to that info struct so we can stick a few more things,
or at the very least add a flags field, so we can return if/when we
support DDW etc... on that iommu.


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