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Re: [Qemu-devel] [PATCH RFC v5 0/5] virtio-iommu: VFIO integration
From: |
Auger Eric |
Subject: |
Re: [Qemu-devel] [PATCH RFC v5 0/5] virtio-iommu: VFIO integration |
Date: |
Mon, 2 Mar 2020 08:00:03 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
Hi Bharat,
On 3/2/20 6:12 AM, Bharat Bhushan wrote:
>
> Hi Eric,
>
> On Fri, Feb 28, 2020 at 3:06 PM Auger Eric <address@hidden
> <mailto:address@hidden>> wrote:
>
> Hi Bharat,
>
> On 11/27/18 7:52 AM, Bharat Bhushan wrote:
> > This patch series integrates VFIO with virtio-iommu. This is
> > tested with assigning 2 pci devices to Virtual Machine.
> >
> > This version is mainly about rebasing on v9 version on
> > virtio-iommu device framework from Eric Augur.
> >
> > This patch series allows PCI pass-through using virtio-iommu.
> >
> > This series is based on:
> > - virtio-iommu kernel driver by Jean-Philippe Brucker
> > [PATCH v5 0/7] Add virtio-iommu driver
> > git://linux-arm.org/kvmtool-jpb.git
> <http://linux-arm.org/kvmtool-jpb.git> virtio-iommu/v0.9
> >
> > - virtio-iommu device emulation by Eric Augur.
> > [RFC,v9,00/17] VIRTIO-IOMMU device
> > https://github.com/eauger/qemu/tree/v3.1.0-rc2-virtio-iommu-v0.9
>
> Now we have the driver and the base qemu device upstream we may resume
> this activity to complete the VFIO integration. Do you intend the
> respin? Otherwise let me know if you want me to help.
>
>
> Yes Eric, I am planning to respin the changes.
>
> Can you please point to latest changes (qemu/Linux both).
the driver and the base qemu device are upstream. This only boots in DT
mode at the moment with machvirt. Use -virtio-iommu-pci to instantiate
the device. About the qemu device, you will find latest changes in the
v16 history log: https://patchwork.kernel.org/cover/11382271/
Thanks
Eric
>
> Thanks
> -Bharat
>
> Thanks
>
> Eric
> >
> > v4->v5:
> > - Rebase to v9 version from Eric
> > - PCIe device hotplug fix
> > - Added Patch 1/5 from Eric previous series (Eric somehow dropped in
> > last version.
> > - Patch "Translate the MSI doorbell in kvm_arch_fixup_msi_route"
> > already integrated with vsmmu3
> >
> > v3->v4:
> > - Rebase to v4 version from Eric
> > - Fixes from Eric with DPDK in VM
> > - Logical division in multiple patches
> >
> > v2->v3:
> > - This series is based on "[RFC v3 0/8] VIRTIO-IOMMU device"
> > Which is based on top of v2.10-rc0 that
> > - Fixed issue with two PCI devices
> > - Addressed review comments
> >
> > v1->v2:
> > - Added trace events
> > - removed vSMMU3 link in patch description
> >
> > Bharat Bhushan (4):
> > virtio-iommu: Add iommu notifier for iommu-map/unmap
> > virtio-iommu: Call iommu notifier on attach/detach
> > virtio-iommu: add virtio-iommu replay
> > virtio-iommu: handle IOMMU Notifier flag changes
> >
> > Eric Auger (1):
> > hw/vfio/common: Do not print error when viommu translates into
> an mmio
> > region
> >
> > hw/vfio/common.c | 2 -
> > hw/virtio/trace-events | 5 +
> > hw/virtio/virtio-iommu.c | 190
> ++++++++++++++++++++++++++++++-
> > include/hw/virtio/virtio-iommu.h | 6 +
> > 4 files changed, 198 insertions(+), 5 deletions(-)
> >
>
>
>
> --
> -Bharat