Re: [Qemu-devel] [Qemu-arm] [RFC v3 0/8] VIRTIO-IOMMU device

[Jean-Philippe Brucker]

Hi Linu,

On 17/08/17 12:26, Linu Cherian wrote:
> Hi Eric,
> 
> On Tue Aug 01, 2017 at 11:33:06AM +0200, Eric Auger wrote:
>> This series implements the virtio-iommu device.
>>
>> This v3 mostly is a rebase on top of v2.10-rc0 that uses
>> IOMMUMmeoryRegion plus some small fixes.
>>
>> This is a proof of concept based on the virtio-iommu specification
>> written by Jean-Philippe Brucker [1].
>>
>> The device gets instantiated using the "-device virtio-iommu-device"
>> option. It currently works with ARM virt machine only, as the machine
>> must handle the dt binding between the virtio-mmio "iommu" node and
>> the PCI host bridge node.
>>
>> ACPI booting is not yet supported.
>>
>> Best Regards
>>
>> Eric
>>
>> This series can be found at:
>> https://github.com/eauger/qemu/tree/v2.10.0-rc0-virtio-iommu-rfcv3
>>
>> References:
>> [1] [RFC 0/3] virtio-iommu: a paravirtualized IOMMU,
>> [2] [RFC PATCH linux] iommu: Add virtio-iommu driver
>> [3] [RFC PATCH kvmtool 00/15] Add virtio-iommu
>>
>> Testing:
>> - >= 4.12 guest kernel + virtio-iommu driver [2]
>> - guest using a virtio-net-pci device:
>>   ,vhost=off,iommu_platform,disable-modern=off,disable-legacy=on
> 
> Was trying to test this out and facing issues.
> Guest and Host Kernel - git://linux-arm.org/linux-jpb.git, Branch 
> virtio-iommu/v0.4
> Qemu - As mentioned above.

Could you try branch virtio-iommu/v0.1? It contains the UAPI headers
compatible with this RFC.

Thanks,
Jean