Re: [Xen-devel] [v7][PATCH 03/16] xen/passthrough: extend hypercall to support rdm reservation policy

["Chen, Tiejun" <tiejun.chen@xxxxxxxxx>]

> The way this sort of thing is defined in the rest of domctl.h is like this:
>
> #define _XEN_DOMCTL_CDF_hvm_guest     0
> #define XEN_DOMCTL_CDF_hvm_guest      (1U<<_XEN_DOMCTL_CDF_hvm_guest)
>
> So the above should be
>
> #define _XEN_DOMCTL_DEV_RDM_RELAXED 0
> #define XEN_DOMCTL_DEV_RDM_RELAXED (1U<<_XEN_DOMCTL_DEV_RDM_RELAXED)
>
> And then your check in iommu_do_pci_domctl() would look like
>
> if (flag & ~XEN_DOMCTL_DEV_RDM_RELAXED)
>
> And if we end up adding any extra flags, we just | them into the above
> conditional, as is done in, for example, the XEN_DOMCTL_createdomain
> case in xen/common/domctl.c:do_domctl().
Seems Jan didn't like this way IIRC, so I hope Jan also can have a look 
at this beforehand :)
Thanks
Tiejun

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