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

[Jean-Philippe Brucker <jean-philippe.brucker@arm.com>]

On 17/08/17 16:26, Auger Eric wrote:
> Hi Linu, Jean,
> 
> On 17/08/2017 15:39, Jean-Philippe Brucker wrote:
>> 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.
> Thank you Jean. Yes the QEMU virtio-iommu device is based on the first
> user API written in [2]. I plan to rebase on v0.4 in short delay. Jean
> can I rebase on virtio-iommu/v0.4 or shall I wait a bit more?

Please go ahead, I don't have any pending changes at the moment :)

Thanks,
Jean