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Re: [Qemu-arm] [Qemu-devel] [RFC v3 0/8] VIRTIO-IOMMU device
From: |
Linu Cherian |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [RFC v3 0/8] VIRTIO-IOMMU device |
Date: |
Thu, 17 Aug 2017 21:52:53 +0530 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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
- [Qemu-arm] [RFC v3 4/8] virtio-iommu: Decode the command payload, (continued)
- [Qemu-arm] [RFC v3 4/8] virtio-iommu: Decode the command payload, Eric Auger, 2017/08/01
- [Qemu-arm] [RFC v3 5/8] virtio_iommu: Add the iommu regions, Eric Auger, 2017/08/01
- [Qemu-arm] [RFC v3 6/8] virtio-iommu: Implement the translation and commands, Eric Auger, 2017/08/01
- [Qemu-arm] [RFC v3 7/8] hw/arm/virt: Add 2.10 machine type, Eric Auger, 2017/08/01
- [Qemu-arm] [RFC v3 8/8] hw/arm/virt: Add virtio-iommu the virt board, Eric Auger, 2017/08/01
- Re: [Qemu-arm] [RFC v3 0/8] VIRTIO-IOMMU device, Linu Cherian, 2017/08/17