On Sat, Apr 11, 2015 at 01:24:41AM +1000, Alexey Kardashevskiy wrote: > sPAPRTCETable is handling 2 TCE tables already: > > 1) guest view of the TCE table - emulated devices use only this table; > > 2) hardware IOMMU table - VFIO PCI devices use it for actual work but > it does not replace 1) and it is not visible to the guest. > The initialization of this table is driven by vfio-pci device, > DMA map/unmap requests are handled via MemoryListener so there is very > little to do in spapr-pci-vfio-host-bridge. > > This moves VFIO bits to the generic spapr-pci-host-bridge which allows > putting emulated and VFIO devices on the same PHB. It is still possible > to create multiple PHBs and avoid sharing PHB resouces for emulated and > VFIO devices. > > If there is no VFIO-PCI device attaches, no special ioctls will be called. > If there are some VFIO-PCI devices attached, PHB may refuse to attach > another VFIO-PCI device if a VFIO container on the host kernel side > does not support > container sharing. > > This changes spapr-pci-host-bridge to support properties of > spapr-pci-vfio-host-bridge. This makes spapr-pci-vfio-host-bridge type > equal to spapr-pci-host-bridge. > > Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
> ---
>
> How do create aliases for types?
^^ I assume this is left over from some notes of your own?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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