From: joro@8bytes.org (Joerg Roedel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] dt-bindings: PCI: Describe ATS property for root complex nodes
Date: Tue, 30 May 2017 12:01:53 +0200 [thread overview]
Message-ID: <20170530100153.GI2818@8bytes.org> (raw)
In-Reply-To: <20170524180143.19855-3-jean-philippe.brucker@arm.com>
On Wed, May 24, 2017 at 07:01:38PM +0100, Jean-Philippe Brucker wrote:
> +- ats-supported: if present, the root complex supports the Address
> + Translation Service (ATS). It is able to interpret the AT field in PCIe
> + Transaction Layer Packets, and forward Translation Completions or
> + Invalidation Requests to endpoints.
> +
> + Device drivers should not enable ATS in endpoints unless this property
> + is present.
Device drivers should never enable ATS, this is the job of the IOMMU
driver. This should be clarified in the text.
next prev parent reply other threads:[~2017-05-30 10:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-24 18:01 [PATCH 0/7] Add PCI ATS support to SMMUv3 Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 1/7] PCI: Move ATS declarations outside of CONFIG_PCI Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 2/7] dt-bindings: PCI: Describe ATS property for root complex nodes Jean-Philippe Brucker
2017-05-30 10:01 ` Joerg Roedel [this message]
2017-05-30 10:58 ` Jean-Philippe Brucker
2017-05-31 17:17 ` Rob Herring
2017-05-31 17:23 ` Rob Herring
2017-06-01 12:28 ` Jean-Philippe Brucker
2017-06-05 17:20 ` Rob Herring
2017-06-06 11:11 ` Jean-Philippe Brucker
2017-06-20 11:38 ` Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 3/7] iommu/of: Check ATS capability in " Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 4/7] ACPI/IORT: " Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 5/7] iommu/arm-smmu-v3: Link domains and devices Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 6/7] iommu/arm-smmu-v3: Add support for PCI ATS Jean-Philippe Brucker
2017-05-30 10:28 ` Joerg Roedel
2017-05-30 10:58 ` Jean-Philippe Brucker
2017-05-24 18:01 ` [PATCH 7/7] iommu/arm-smmu-v3: Disable tagged pointers Jean-Philippe Brucker
2017-05-31 15:27 ` [PATCH 0/7] Add PCI ATS support to SMMUv3 Nate Watterson
2017-06-01 12:23 ` Jean-Philippe Brucker
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