From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: rjw@rjwysocki.net, lenb@kernel.org, joro@8bytes.org,
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 v2 0/6] Add support for ACPI VIOT
Date: Fri, 14 May 2021 08:35:29 -0400 [thread overview]
Message-ID: <20210514083449-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20210423113836.3974972-1-jean-philippe@linaro.org>
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 <mst@redhat.com>
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
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next prev parent reply other threads:[~2021-05-14 12:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 11:38 [PATCH v2 0/6] Add support for ACPI VIOT Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 1/6] ACPI: arm64: Move DMA setup operations out of IORT Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 2/6] ACPI: Move IOMMU setup code " Jean-Philippe Brucker
2021-05-21 16:42 ` Rafael J. Wysocki
2021-05-26 10:05 ` Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 3/6] ACPI: Add driver for the VIOT table Jean-Philippe Brucker
2021-05-21 16:39 ` Rafael J. Wysocki
2021-05-26 10:04 ` Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 4/6] iommu/dma: Pass address limit rather than size to iommu_setup_dma_ops() Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 5/6] iommu/dma: Simplify calls " Jean-Philippe Brucker
2021-04-23 11:38 ` [PATCH v2 6/6] iommu/virtio: Enable x86 support Jean-Philippe Brucker
2021-05-14 12:34 ` Michael S. Tsirkin
2021-05-14 12:35 ` Michael S. Tsirkin [this message]
2021-05-17 11:51 ` [PATCH v2 0/6] Add support for ACPI VIOT Joerg Roedel
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