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

[Linu Cherian <linu.cherian@cavium.com>]

On Thu Aug 17, 2017 at 05:26:53PM +0200, 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?
> 
> Thanks

Yes, virtio-iommu/v0.1 works for me. Thanks.

> 
> Eric
> > 
> > Thanks,
> > Jean
> > 

-- 
Linu cherian