On 2017年10月25日 09:43, Lan Tianyu wrote:
>> For all platforms supporting HVM, for PV I don't think it makes sense.
>> > Since AFAIK ARM guest type is also HVM I would rather introduce this
>> > field in the hvm_domain structure rather than the generic domain
>> > structure.
>> >
> This sounds reasonable.
>
>> > You might want to wait for feedback from others regarding this issue.
>> >
> I discussed with Julien before. He hoped no to add viommu code for ARM
> first.So struct hvm_domain seems to be better place since it's arch
> specific definition and only add struct viommu for struct hvm_domain of x86.
Hi Roger:
If PV guest needs PV IOMMU support, struct iommu should be put into
struct domain and it can be reused by full-virtualization and PV iommu.
Malcolm Crossley sent out RFC patch of pv iommu before. I found it also
needs to change struct domain.
https://lists.xenproject.org/archives/html/xen-devel/2016-02/msg01441.html
--
Best regards
Tianyu Lan
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