From: Auger Eric <eric.auger@redhat.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>,
iommu@lists.linux-foundation.org,
virtualization@lists.linux-foundation.org,
virtio-dev@lists.oasis-open.org, linux-pci@vger.kernel.org
Cc: joro@8bytes.org, bhelgaas@google.com, mst@redhat.com,
jasowang@redhat.com, kevin.tian@intel.com,
sebastien.boeuf@intel.com, lorenzo.pieralisi@arm.com
Subject: Re: [PATCH v3 0/6] Add virtio-iommu built-in topology
Date: Fri, 4 Sep 2020 18:24:12 +0200 [thread overview]
Message-ID: <ab2a1668-e40c-c8f0-b77b-abadeceb4b82@redhat.com> (raw)
In-Reply-To: <20200821131540.2801801-1-jean-philippe@linaro.org>
Hi,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> Add a topology description to the virtio-iommu driver and enable x86
> platforms.
>
> Since [v2] we have made some progress on adding ACPI support for
> virtio-iommu, which is the preferred boot method on x86. It will be a
> new vendor-agnostic table describing para-virtual topologies in a
> minimal format. However some platforms don't use either ACPI or DT for
> booting (for example microvm), and will need the alternative topology
> description method proposed here. In addition, since the process to get
> a new ACPI table will take a long time, this provides a boot method even
> to ACPI-based platforms, if only temporarily for testing and
> development.
>
> v3:
> * Add patch 1 that moves virtio-iommu to a subfolder.
> * Split the rest:
> * Patch 2 adds topology-helper.c, which will be shared with the ACPI
> support.
> * Patch 4 adds definitions.
> * Patch 5 adds parser in topology.c.
> * Address other comments.
>
> Linux and QEMU patches available at:
> https://jpbrucker.net/git/linux virtio-iommu/devel
> https://jpbrucker.net/git/qemu virtio-iommu/devel
I have tested that series with above QEMU branch on ARM with virtio-net
and virtio-blk translated devices in non DT mode.
It works for me:
Tested-by: Eric Auger <eric.auger@redhat.com>
Thanks
Eric
>
> [spec] https://lists.oasis-open.org/archives/virtio-dev/202008/msg00067.html
> [v2] https://lore.kernel.org/linux-iommu/20200228172537.377327-1-jean-philippe@linaro.org/
> [v1] https://lore.kernel.org/linux-iommu/20200214160413.1475396-1-jean-philippe@linaro.org/
> [rfc] https://lore.kernel.org/linux-iommu/20191122105000.800410-1-jean-philippe@linaro.org/
>
> Jean-Philippe Brucker (6):
> iommu/virtio: Move to drivers/iommu/virtio/
> iommu/virtio: Add topology helpers
> PCI: Add DMA configuration for virtual platforms
> iommu/virtio: Add topology definitions
> iommu/virtio: Support topology description in config space
> iommu/virtio: Enable x86 support
>
> drivers/iommu/Kconfig | 18 +-
> drivers/iommu/Makefile | 3 +-
> drivers/iommu/virtio/Makefile | 4 +
> drivers/iommu/virtio/topology-helpers.h | 50 +++++
> include/linux/virt_iommu.h | 15 ++
> include/uapi/linux/virtio_iommu.h | 44 ++++
> drivers/iommu/virtio/topology-helpers.c | 196 ++++++++++++++++
> drivers/iommu/virtio/topology.c | 259 ++++++++++++++++++++++
> drivers/iommu/{ => virtio}/virtio-iommu.c | 4 +
> drivers/pci/pci-driver.c | 5 +
> MAINTAINERS | 3 +-
> 11 files changed, 597 insertions(+), 4 deletions(-)
> create mode 100644 drivers/iommu/virtio/Makefile
> create mode 100644 drivers/iommu/virtio/topology-helpers.h
> create mode 100644 include/linux/virt_iommu.h
> create mode 100644 drivers/iommu/virtio/topology-helpers.c
> create mode 100644 drivers/iommu/virtio/topology.c
> rename drivers/iommu/{ => virtio}/virtio-iommu.c (99%)
>
next prev parent reply other threads:[~2020-09-04 16:24 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-21 13:15 [PATCH v3 0/6] Add virtio-iommu built-in topology Jean-Philippe Brucker
2020-08-21 13:15 ` [PATCH v3 1/6] iommu/virtio: Move to drivers/iommu/virtio/ Jean-Philippe Brucker
2020-09-04 15:29 ` Auger Eric
2020-08-21 13:15 ` [PATCH v3 2/6] iommu/virtio: Add topology helpers Jean-Philippe Brucker
2020-09-04 16:22 ` Auger Eric
2020-09-24 8:31 ` Jean-Philippe Brucker
2020-08-21 13:15 ` [PATCH v3 3/6] PCI: Add DMA configuration for virtual platforms Jean-Philippe Brucker
2020-08-21 13:15 ` [PATCH v3 4/6] iommu/virtio: Add topology definitions Jean-Philippe Brucker
2020-09-04 15:30 ` Auger Eric
2020-08-21 13:15 ` [PATCH v3 5/6] iommu/virtio: Support topology description in config space Jean-Philippe Brucker
2020-09-04 16:05 ` Auger Eric
2020-09-24 8:33 ` Jean-Philippe Brucker
2020-09-24 15:22 ` Bjorn Helgaas
2020-09-25 8:12 ` Jean-Philippe Brucker
2020-09-25 15:34 ` Bjorn Helgaas
2020-08-21 13:15 ` [PATCH v3 6/6] iommu/virtio: Enable x86 support Jean-Philippe Brucker
2020-08-26 13:26 ` [PATCH v3 0/6] Add virtio-iommu built-in topology Michael S. Tsirkin
2020-08-27 8:01 ` Jean-Philippe Brucker
2020-09-04 16:24 ` Auger Eric [this message]
2020-09-24 9:00 ` Michael S. Tsirkin
2020-09-24 9:21 ` Joerg Roedel
2020-09-24 9:38 ` Michael S. Tsirkin
2020-09-24 9:54 ` Auger Eric
2020-09-29 17:28 ` Al Stone
2020-10-02 18:23 ` Al Stone
2020-10-06 15:23 ` Auger Eric
2020-11-03 20:09 ` Al Stone
2020-11-04 9:33 ` Jean-Philippe Brucker
2020-11-04 20:56 ` Al Stone
2020-09-24 10:02 ` Joerg Roedel
2020-09-24 10:24 ` Gerd Hoffmann
2020-09-24 10:29 ` Jean-Philippe Brucker
2020-09-24 11:50 ` Joerg Roedel
2020-09-24 12:41 ` Michael S. Tsirkin
2020-09-24 12:50 ` Joerg Roedel
2020-09-25 10:22 ` Michael S. Tsirkin
2020-09-25 8:48 ` Jean-Philippe Brucker
2020-09-25 10:22 ` Michael S. Tsirkin
2020-09-25 11:26 ` Jean-Philippe Brucker
2020-09-25 13:44 ` Michael S. Tsirkin
2020-09-25 14:14 ` [virtio-dev] " Gerd Hoffmann
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