RE: [patch 21/32] NTB/msi: Convert to msi_on_each_desc()

Thomas Gleixner
2021-12-11T13:04:57Z

Kevin,

On Sat, Dec 11 2021 at 07:44, Kevin Tian wrote:
>> From: Thomas Gleixner <tglx@linutronix.de>
>> On Fri, Dec 10 2021 at 08:39, Jason Gunthorpe wrote:
>> > It is clever, we don't have an vIOMMU that supplies vIR today, so by
>> > definition all guests are excluded and only bare metal works.
>>
>> Dammit. Now you spilled the beans. :)
>
> Unfortunately we do have that today. Qemu supports IR for
> both AMD and Intel vIOMMU.

can you point me to the code?

All I can find is drivers/iommu/virtio-iommu.c but I can't find anything
vIR related there.

Thanks,

tglx