From mboxrd@z Thu Jan 1 00:00:00 1970 From: Auger Eric Subject: Re: [PATCH v4 0/7] Add virtio-iommu driver Date: Fri, 16 Nov 2018 14:00:51 +0100 Message-ID: References: <20181115165234.43990-1-jean-philippe.brucker@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: In-Reply-To: <20181115165234.43990-1-jean-philippe.brucker@arm.com> Content-Language: en-US To: Jean-Philippe Brucker , iommu@lists.linux-foundation.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org, joro@8bytes.org, mst@redhat.com Cc: frowand.list@gmail.com, jasowang@redhat.com, robh+dt@kernel.org, mark.rutland@arm.com, bhelgaas@google.com, kvmarm@lists.cs.columbia.edu, tnowicki@caviumnetworks.com, kevin.tian@intel.com, marc.zyngier@arm.com, robin.murphy@arm.com, will.deacon@arm.com, lorenzo.pieralisi@arm.com, bharat.bhushan@nxp.com List-Id: devicetree@vger.kernel.org Hi Jean, On 11/15/18 5:52 PM, Jean-Philippe Brucker wrote: > Implement the virtio-iommu driver, following specification v0.8 [1]. > > Changes since v3 [2]: > * Rebase onto v4.20-rc2. Patch 3 now touches drivers/of/base.c instead > of drivers/pci/of.c, since the map_rid() function has moved. > * Removed the request timeout, that depended on DEBUG. > * Other small fixes addressing comments on v3. > > You can find Linux driver and kvmtool device on my virtio-iommu/v0.8.1 > branches [3]. You can also test it with the latest version of Eric's > QEMU device [4]. Tested-by: Eric Auger this was tested with qemu (https://github.com/eauger/qemu/tree/v3.1.0-rc1-virtio-iommu-v0.8.1) Thanks Eric > > [1] Virtio-iommu specification v0.8, sources and pdf > git://linux-arm.org/virtio-iommu.git virtio-iommu/v0.8 > http://jpbrucker.net/virtio-iommu/spec/v0.8/virtio-iommu-v0.8.pdf > > [2] [PATCH v3 0/7] Add virtio-iommu driver > https://www.spinics.net/lists/linux-pci/msg77110.html > > [3] git://linux-arm.org/linux-jpb.git virtio-iommu/v0.8.1 > git://linux-arm.org/kvmtool-jpb.git virtio-iommu/v0.8.1 > > [4] [RFC v8 00/18] VIRTIO-IOMMU device > https://www.mail-archive.com/qemu-devel@nongnu.org/msg572637.html > > Jean-Philippe Brucker (7): > dt-bindings: virtio-mmio: Add IOMMU description > dt-bindings: virtio: Add virtio-pci-iommu node > of: Allow the iommu-map property to omit untranslated devices > PCI: OF: Initialize dev->fwnode appropriately > iommu: Add virtio-iommu driver > iommu/virtio: Add probe request > iommu/virtio: Add event queue > > .../devicetree/bindings/virtio/iommu.txt | 66 + > .../devicetree/bindings/virtio/mmio.txt | 30 + > MAINTAINERS | 7 + > drivers/iommu/Kconfig | 11 + > drivers/iommu/Makefile | 1 + > drivers/iommu/virtio-iommu.c | 1160 +++++++++++++++++ > drivers/of/base.c | 10 +- > drivers/pci/of.c | 7 + > include/uapi/linux/virtio_ids.h | 1 + > include/uapi/linux/virtio_iommu.h | 161 +++ > 10 files changed, 1451 insertions(+), 3 deletions(-) > create mode 100644 Documentation/devicetree/bindings/virtio/iommu.txt > create mode 100644 drivers/iommu/virtio-iommu.c > create mode 100644 include/uapi/linux/virtio_iommu.h >