On 09/11/18 11:23, Wei Liu wrote:
> 0e2c886ef ("xen: decouple HVM and IOMMU capabilities") provided a
> truth table for what `xl info` would report. In order to make the
> table work xen will need to report its PV capability.
>
> Replace cap_directio with cap_pv in libxl IDL. It is safe to do so
> because cap_directio has never been released. Revert to use
> cap_hvm_directio to mark the availability of IOMMU, to save us from
> providing a compatibility layer.
>
> Don't bump sysctl version number because we've already done so.
>
> Also provide a new virt_caps "pv", change "directio" to "pv_directio".
> The truth table is now:
>
> pv hvm iommu flags in xl info
> 0 0 x n/a
> 0 1 0 hvm
> 0 1 1 hvm hvm_directio
> 1 0 0 pv
> 1 0 1 pv pv_directio
> 1 1 0 pv hvm
> 1 1 1 pv hvm hvm_directio pv_directio
>
> Signed-off-by: Wei Liu <[email protected]>
LGTM. Acked-by: Andrew Cooper <[email protected]>
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