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From: Rob Herring <robh@kernel.org>
To: AngeloGioacchino Del Regno  <angelogioacchino.delregno@collabora.com>
Cc: agross@kernel.org, andersson@kernel.org,
	konrad.dybcio@linaro.org, dmitry.baryshkov@linaro.org,
	joro@8bytes.org, will@kernel.org, robin.murphy@arm.com,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	robdclark@gmail.com, linux-arm-msm@vger.kernel.org,
	iommu@lists.linux.dev, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, kernel@collabora.com
Subject: Re: [PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property
Date: Wed, 21 Jun 2023 19:50:17 -0600	[thread overview]
Message-ID: <20230622015017.GA37013-robh@kernel.org> (raw)
In-Reply-To: <20230620095127.96600-2-angelogioacchino.delregno@collabora.com>

On Tue, Jun 20, 2023 at 11:51:22AM +0200, AngeloGioacchino Del Regno wrote:
> Add a new "qcom,ctx-num" property to force an ASID number on IOMMU
> contexts where required.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> index d9fabdf930d9..0446ccc4116e 100644
> --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> @@ -71,6 +71,11 @@ patternProperties:
>        reg:
>          maxItems: 1
>  
> +      qcom,ctx-num:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          The ASID number associated to the context bank.

If the value is ASID, then qcom,ctx-asid would be more descriptive.

> +
>      required:
>        - compatible
>        - interrupts
> -- 
> 2.40.1
> 

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: agross@kernel.org, andersson@kernel.org,
	konrad.dybcio@linaro.org, dmitry.baryshkov@linaro.org,
	joro@8bytes.org, will@kernel.org, robin.murphy@arm.com,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	robdclark@gmail.com, linux-arm-msm@vger.kernel.org,
	iommu@lists.linux.dev, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, kernel@collabora.com
Subject: Re: [PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property
Date: Wed, 21 Jun 2023 19:50:17 -0600	[thread overview]
Message-ID: <20230622015017.GA37013-robh@kernel.org> (raw)
In-Reply-To: <20230620095127.96600-2-angelogioacchino.delregno@collabora.com>

On Tue, Jun 20, 2023 at 11:51:22AM +0200, AngeloGioacchino Del Regno wrote:
> Add a new "qcom,ctx-num" property to force an ASID number on IOMMU
> contexts where required.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
>  Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> index d9fabdf930d9..0446ccc4116e 100644
> --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> @@ -71,6 +71,11 @@ patternProperties:
>        reg:
>          maxItems: 1
>  
> +      qcom,ctx-num:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          The ASID number associated to the context bank.

If the value is ASID, then qcom,ctx-asid would be more descriptive.

> +
>      required:
>        - compatible
>        - interrupts
> -- 
> 2.40.1
> 

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  reply	other threads:[~2023-06-22  1:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-20  9:51 [PATCH v4 0/6] Add support for Qualcomm's legacy IOMMU v2 AngeloGioacchino Del Regno
2023-06-20  9:51 ` AngeloGioacchino Del Regno
2023-06-20  9:51 ` [PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno
2023-06-22  1:50   ` Rob Herring [this message]
2023-06-22  1:50     ` Rob Herring
2023-06-20  9:51 ` [PATCH v4 2/6] iommu/qcom: Use the asid read from device-tree if specified AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno
2023-06-20  9:51 ` [PATCH v4 3/6] iommu/qcom: Disable and reset context bank before programming AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno
2023-06-20  9:51 ` [PATCH v4 4/6] iommu/qcom: Index contexts by asid number to allow asid 0 AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno
2023-06-20  9:51 ` [PATCH v4 5/6] dt-bindings: iommu: qcom,iommu: Add QSMMUv2 and MSM8976 compatibles AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno
2023-06-22  1:51   ` Rob Herring
2023-06-22  1:51     ` Rob Herring
2023-06-20  9:51 ` [PATCH v4 6/6] iommu/qcom: Add support for QSMMUv2 and QSMMU-500 secured contexts AngeloGioacchino Del Regno
2023-06-20  9:51   ` AngeloGioacchino Del Regno

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