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[84.226.111.173]) by smtp.gmail.com with ESMTPSA id b10sm649538edx.4.2021.06.15.23.34.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Jun 2021 23:34:48 -0700 (PDT) Date: Wed, 16 Jun 2021 08:34:28 +0200 From: Jean-Philippe Brucker To: rjw@rjwysocki.net, lenb@kernel.org, joro@8bytes.org, mst@redhat.com Cc: will@kernel.org, catalin.marinas@arm.com, baolu.lu@linux.intel.com, dwmw2@infradead.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, eric.auger@redhat.com, sebastien.boeuf@intel.com, robin.murphy@arm.com, kevin.tian@intel.com, lorenzo.pieralisi@arm.com, guohanjun@huawei.com, sudeep.holla@arm.com Subject: Re: [PATCH v4 0/6] Add support for ACPI VIOT Message-ID: References: <20210610075130.67517-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210610075130.67517-1-jean-philippe@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210615_233451_513004_85C04B60 X-CRM114-Status: GOOD ( 19.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Rafael, On Thu, Jun 10, 2021 at 09:51:27AM +0200, Jean-Philippe Brucker wrote: > Add a driver for the ACPI VIOT table, which provides topology > information for para-virtual IOMMUs. Enable virtio-iommu on > non-devicetree platforms, including x86. > > Since v3 [1] I fixed a build bug for !CONFIG_IOMMU_API. Joerg offered to > take this series through the IOMMU tree, which requires Acks for patches > 1-3. I was wondering if you could take a look at patches 1-3, otherwise we'll miss the mark for 5.14 since I won't be able to resend next week. The series adds support for virtio-iommu on QEMU and cloud hypervisor. Thanks, Jean > > You can find a QEMU implementation at [2], with extra support for > testing all VIOT nodes including MMIO-based endpoints and IOMMU. > This series is at [3]. > > [1] https://lore.kernel.org/linux-iommu/20210602154444.1077006-1-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 | 78 +++++++- > drivers/acpi/viot.c | 364 +++++++++++++++++++++++++++++++++++ > 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, 580 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 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel