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
