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Tsirkin" To: Jean-Philippe Brucker Subject: Re: [PATCH v2 0/6] Add support for ACPI VIOT Message-ID: <20210514083449-mutt-send-email-mst@kernel.org> References: <20210423113836.3974972-1-jean-philippe@linaro.org> MIME-Version: 1.0 In-Reply-To: <20210423113836.3974972-1-jean-philippe@linaro.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: lorenzo.pieralisi@arm.com, eric.auger@redhat.com, catalin.marinas@arm.com, joro@8bytes.org, sudeep.holla@arm.com, rjw@rjwysocki.net, robin.murphy@arm.com, virtualization@lists.linux-foundation.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, sebastien.boeuf@intel.com, guohanjun@huawei.com, lenb@kernel.org, will@kernel.org, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org, baolu.lu@linux.intel.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Fri, Apr 23, 2021 at 01:38:31PM +0200, Jean-Philippe Brucker wrote: > Add a driver for the ACPI VIOT table, which provides topology > information for para-virtual platforms. Enable virtio-iommu on > non-devicetree platforms, including x86. Acked-by: Michael S. Tsirkin Mostly ACPI stuff so I assume it's best to merge through that tree. > Since v1 [1]: > * The VIOT header definitions have been picked for v5.13 > * Share more code with IORT. Patches 1 and 2 extract the common code > from IORT. > * Simplify the VIOT driver. Use the existing fwnode infrastructure > instead of adding hooks to the IOMMU driver. > > You can find a QEMU implementation at [2], with extra support for > testing all VIOT nodes including MMIO-based endpoints and IOMMU. This > series, based on linux-next, is at [3] > > [1] https://lore.kernel.org/linux-iommu/20210316191652.3401335-1-jean-philippe@linaro.org/ > [2] https://jpbrucker.net/git/qemu/log/?h=virtio-iommu/acpi > [3] https://jpbrucker.net/git/linux/log/?h=virtio-iommu/acpi > > Jean-Philippe Brucker (6): > ACPI: arm64: Move DMA setup operations out of IORT > ACPI: Move IOMMU setup code out of IORT > ACPI: Add driver for the VIOT table > iommu/dma: Pass address limit rather than size to > iommu_setup_dma_ops() > iommu/dma: Simplify calls to iommu_setup_dma_ops() > iommu/virtio: Enable x86 support > > drivers/acpi/Kconfig | 3 + > drivers/iommu/Kconfig | 4 +- > drivers/acpi/Makefile | 2 + > drivers/acpi/arm64/Makefile | 1 + > include/acpi/acpi_bus.h | 3 + > include/linux/acpi.h | 3 + > include/linux/acpi_iort.h | 14 +- > include/linux/acpi_viot.h | 19 ++ > include/linux/dma-iommu.h | 4 +- > arch/arm64/mm/dma-mapping.c | 2 +- > drivers/acpi/arm64/dma.c | 50 +++++ > drivers/acpi/arm64/iort.c | 129 ++----------- > drivers/acpi/bus.c | 2 + > drivers/acpi/scan.c | 60 +++++- > drivers/acpi/viot.c | 350 +++++++++++++++++++++++++++++++++++ > drivers/iommu/amd/iommu.c | 9 +- > drivers/iommu/dma-iommu.c | 17 +- > drivers/iommu/intel/iommu.c | 10 +- > drivers/iommu/virtio-iommu.c | 8 + > MAINTAINERS | 8 + > 20 files changed, 548 insertions(+), 150 deletions(-) > create mode 100644 include/linux/acpi_viot.h > create mode 100644 drivers/acpi/arm64/dma.c > create mode 100644 drivers/acpi/viot.c > > -- > 2.31.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization