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Re: [PATCH v16 00/10] VIRTIO-IOMMU device

From: Daniel P . Berrangé
Subject: Re: [PATCH v16 00/10] VIRTIO-IOMMU device
Date: Thu, 27 Feb 2020 11:17:17 +0000
User-agent: Mutt/1.13.3 (2020-01-12)

On Fri, Feb 14, 2020 at 02:27:35PM +0100, Eric Auger wrote:
> This series implements the QEMU virtio-iommu device.
> This matches the v0.12 spec (voted) and the corresponding
> virtio-iommu driver upstreamed in 5.3. All kernel dependencies
> are resolved for DT integration. The virtio-iommu can be
> instantiated in ARM virt using:
> "-device virtio-iommu-pci".

Is there any more documentation besides this ?

I'm wondering on the intended usage of this, and its relation
or pros/cons vs other iommu devices

You mention Arm here, but can this virtio-iommu-pci be used on
ppc64, s390x, x86_64 too ?  If so, is it a better choice than
using intel-iommu on x86_64 ?  Anything else that is relevant
for management applications to know about when using this ?

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