Re: [Qemu-devel] [PATCH qemu v6 05/15] spapr_pci_vfio: Enable multiple groups per container

[David Gibson]

On Sat, Apr 11, 2015 at 01:24:34AM +1000, Alexey Kardashevskiy wrote:
> This enables multiple IOMMU groups in one VFIO container which means
> that multiple devices from different groups can share the same IOMMU
> table (or tables if DDW).
> 
> This removes a group id from vfio_container_ioctl(). The kernel support
> is required for this; if the host kernel does not have the support,
> it will allow only one group per container. The PHB's "iommuid" property
> is ignored. The ioctl is called for every container attached to
> the address space. At the moment there is just one container anyway.
> 
> If there is no container attached to the address space,
> vfio_container_do_ioctl() returns -1.
> 
> Signed-off-by: Alexey Kardashevskiy <address@hidden>

Reviewed-by: David Gibson <address@hidden>

-- 
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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