From: Zhangfei Gao <zhangfei.gao@linaro.org>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>,
joro@8bytes.org, will@kernel.org
Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org,
guohanjun@huawei.com, rjw@rjwysocki.net,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
linux-accelerators@lists.ozlabs.org, sudeep.holla@arm.com,
vivek.gautam@arm.com, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: Re: [PATCH v9 00/10] iommu: I/O page faults for SMMUv3
Date: Mon, 11 Jan 2021 11:26:16 +0800 [thread overview]
Message-ID: <d8e4c6f7-f194-3374-b6d6-6ea3006b57f5@linaro.org> (raw)
In-Reply-To: <20210108145217.2254447-1-jean-philippe@linaro.org>
On 2021/1/8 下午10:52, Jean-Philippe Brucker wrote:
> Add stall support to the SMMUv3, along with a common I/O Page Fault
> handler.
>
> Changes since v8 [1]:
> * Added patches 1 and 2 which aren't strictly related to IOPF but need to
> be applied in order - 8 depends on 2 which depends on 1. Patch 2 moves
> pasid-num-bits to a device property, following Robin's comment on v8.
> * Patches 3-5 extract the IOPF feature from the SVA one, to support SVA
> implementations that handle I/O page faults through the device driver
> rather than the IOMMU driver [2]
> * Use device properties for dma-can-stall, instead of a special fwspec
> member.
> * Dropped PRI support for now, since it doesn't seem to be available in
> hardware and adds some complexity.
> * Had to drop some Acks and Tested tags unfortunately, due to code
> changes.
>
> As usual, you can get the latest SVA patches from
> http://jpbrucker.net/git/linux sva/current
>
> [1] https://lore.kernel.org/linux-iommu/20201112125519.3987595-1-jean-philippe@linaro.org/
> [2] https://lore.kernel.org/linux-iommu/BY5PR12MB3764F5D07E8EC48327E39C86B3C60@BY5PR12MB3764.namprd12.prod.outlook.com/
>
> Jean-Philippe Brucker (10):
> iommu: Remove obsolete comment
> iommu/arm-smmu-v3: Use device properties for pasid-num-bits
> iommu: Separate IOMMU_DEV_FEAT_IOPF from IOMMU_DEV_FEAT_SVA
> iommu/vt-d: Support IOMMU_DEV_FEAT_IOPF
> uacce: Enable IOMMU_DEV_FEAT_IOPF
> iommu: Add a page fault handler
> iommu/arm-smmu-v3: Maintain a SID->device structure
> dt-bindings: document stall property for IOMMU masters
> ACPI/IORT: Enable stall support for platform devices
> iommu/arm-smmu-v3: Add stall support for platform devices
Thanks Jean
I have tested on Hisilicon Kunpeng920 board.
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Thanks
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prev parent reply other threads:[~2021-01-11 3:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 14:52 [PATCH v9 00/10] iommu: I/O page faults for SMMUv3 Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 01/10] iommu: Remove obsolete comment Jean-Philippe Brucker
2021-01-19 11:11 ` Jonathan Cameron
2021-01-20 17:41 ` Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 02/10] iommu/arm-smmu-v3: Use device properties for pasid-num-bits Jean-Philippe Brucker
2021-01-19 11:22 ` Jonathan Cameron
2021-01-08 14:52 ` [PATCH v9 03/10] iommu: Separate IOMMU_DEV_FEAT_IOPF from IOMMU_DEV_FEAT_SVA Jean-Philippe Brucker
2021-01-12 4:31 ` Lu Baolu
2021-01-12 9:16 ` Jean-Philippe Brucker
2021-01-13 2:49 ` Lu Baolu
2021-01-13 8:10 ` Tian, Kevin
2021-01-14 16:41 ` Jean-Philippe Brucker
2021-01-16 3:54 ` Lu Baolu
2021-01-18 6:54 ` Tian, Kevin
2021-01-19 10:16 ` Jean-Philippe Brucker
2021-01-20 1:57 ` Lu Baolu
2021-01-08 14:52 ` [PATCH v9 04/10] iommu/vt-d: Support IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 05/10] uacce: Enable IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-01-11 3:29 ` Zhangfei Gao
2021-01-19 12:27 ` Jonathan Cameron
2021-01-20 17:42 ` Jean-Philippe Brucker
2021-01-20 20:47 ` Dave Jiang
2021-01-22 11:53 ` Zhou Wang
2021-01-22 15:43 ` Dave Jiang
2021-01-08 14:52 ` [PATCH v9 06/10] iommu: Add a page fault handler Jean-Philippe Brucker
2021-01-19 13:38 ` Jonathan Cameron
2021-01-20 17:43 ` Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 07/10] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2021-01-19 13:51 ` Jonathan Cameron
2021-01-08 14:52 ` [PATCH v9 08/10] dt-bindings: document stall property for IOMMU masters Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 09/10] ACPI/IORT: Enable stall support for platform devices Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 10/10] iommu/arm-smmu-v3: Add " Jean-Philippe Brucker
2021-01-19 17:28 ` Robin Murphy
2021-01-20 17:55 ` Jean-Philippe Brucker
2021-01-11 3:26 ` Zhangfei Gao [this message]
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