From: Hanjun Guo <guohanjun@huawei.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>,
<iommu@lists.linux-foundation.org>, <devicetree@vger.kernel.org>,
<linux-acpi@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Cc: <joro@8bytes.org>, <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<lorenzo.pieralisi@arm.com>, <sudeep.holla@arm.com>,
<rjw@rjwysocki.net>, <lenb@kernel.org>, <will@kernel.org>,
<robin.murphy@arm.com>, <zhangfei.gao@linaro.org>,
<eric.auger@redhat.com>, <jonathan.cameron@huawei.com>
Subject: Re: [PATCH v2 3/8] ACPI/IORT: Support PASID for platform devices
Date: Thu, 14 Nov 2019 14:42:08 +0800
Message-ID: <c34e37aa-af9b-5560-9c98-2cb5c55904c3@huawei.com> (raw)
In-Reply-To: <20191108152508.4039168-4-jean-philippe@linaro.org>
On 2019/11/8 23:25, Jean-Philippe Brucker wrote:
> Named component nodes in the IORT tables describe the number of
> Substream ID bits (aka. PASID) supported by the device. Propagate this
This feature is needed for HiSilicon Ascend AI chip, thanks
for adding this.
> value to the fwspec structure in order to enable PASID for platform
> devices.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> ---
> drivers/acpi/arm64/iort.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
Acked-by: Hanjun Guo <guohanjun@huawei.com>
next prev parent reply index
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-08 15:25 [PATCH v2 0/8] iommu: Add PASID support to Arm SMMUv3 Jean-Philippe Brucker
2019-11-08 15:25 ` [PATCH v2 1/8] dt-bindings: document PASID property for IOMMU masters Jean-Philippe Brucker
2019-11-08 15:25 ` [PATCH v2 2/8] iommu/arm-smmu-v3: Support platform SSID Jean-Philippe Brucker
2019-11-08 15:25 ` [PATCH v2 3/8] ACPI/IORT: Support PASID for platform devices Jean-Philippe Brucker
2019-11-14 6:42 ` Hanjun Guo [this message]
2019-11-08 15:25 ` [PATCH v2 4/8] iommu/arm-smmu-v3: Prepare for SSID support Jean-Philippe Brucker
2019-11-11 14:38 ` Jonathan Cameron
2019-11-22 15:28 ` Jean-Philippe Brucker
2019-11-08 15:25 ` [PATCH v2 5/8] iommu/arm-smmu-v3: Add support for Substream IDs Jean-Philippe Brucker
2019-11-11 15:12 ` Jonathan Cameron
2019-11-08 15:25 ` [PATCH v2 6/8] iommu/arm-smmu-v3: Add second level of context descriptor table Jean-Philippe Brucker
2019-11-11 15:50 ` Jonathan Cameron
2019-11-22 15:32 ` Jean-Philippe Brucker
2019-11-08 15:25 ` [PATCH v2 7/8] iommu/arm-smmu-v3: Improve add_device() error handling Jean-Philippe Brucker
2019-11-11 15:58 ` Jonathan Cameron
2019-11-08 15:25 ` [PATCH v2 8/8] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker
2019-11-11 16:05 ` Jonathan Cameron
2019-11-22 15:33 ` Jean-Philippe Brucker
2019-11-12 10:02 ` [PATCH v2 0/8] iommu: Add PASID support to Arm SMMUv3 zhangfei
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