From: Bjorn Helgaas <helgaas@kernel.org>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: robh@kernel.org, linux-pci@vger.kernel.org, robin.murphy@arm.com,
iommu@lists.linux-foundation.org, zhangfei.gao@linaro.org,
will@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/6] PCI/ATS: Export symbols of PASID functions
Date: Wed, 18 Mar 2020 13:36:06 -0500 [thread overview]
Message-ID: <20200318183606.GA207832@google.com> (raw)
In-Reply-To: <20200224165846.345993-2-jean-philippe@linaro.org>
On Mon, Feb 24, 2020 at 05:58:41PM +0100, Jean-Philippe Brucker wrote:
> The Arm SMMUv3 driver uses pci_{enable,disable}_pasid() and related
> functions. Export them to allow the driver to be built as a module.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> ---
> drivers/pci/ats.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
> index 3ef0bb281e7c..390e92f2d8d1 100644
> --- a/drivers/pci/ats.c
> +++ b/drivers/pci/ats.c
> @@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
>
> return 0;
> }
> +EXPORT_SYMBOL_GPL(pci_enable_pasid);
>
> /**
> * pci_disable_pasid - Disable the PASID capability
> @@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)
>
> pdev->pasid_enabled = 0;
> }
> +EXPORT_SYMBOL_GPL(pci_disable_pasid);
>
> /**
> * pci_restore_pasid_state - Restore PASID capabilities
> @@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)
>
> return supported;
> }
> +EXPORT_SYMBOL_GPL(pci_pasid_features);
>
> #define PASID_NUMBER_SHIFT 8
> #define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
> @@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)
>
> return (1 << supported);
> }
> +EXPORT_SYMBOL_GPL(pci_max_pasids);
> #endif /* CONFIG_PCI_PASID */
> --
> 2.25.0
>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <helgaas@kernel.org>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
iommu@lists.linux-foundation.org, will@kernel.org,
joro@8bytes.org, robin.murphy@arm.com,
jonathan.cameron@huawei.com, zhangfei.gao@linaro.org,
robh@kernel.org
Subject: Re: [PATCH v2 1/6] PCI/ATS: Export symbols of PASID functions
Date: Wed, 18 Mar 2020 13:36:06 -0500 [thread overview]
Message-ID: <20200318183606.GA207832@google.com> (raw)
In-Reply-To: <20200224165846.345993-2-jean-philippe@linaro.org>
On Mon, Feb 24, 2020 at 05:58:41PM +0100, Jean-Philippe Brucker wrote:
> The Arm SMMUv3 driver uses pci_{enable,disable}_pasid() and related
> functions. Export them to allow the driver to be built as a module.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> ---
> drivers/pci/ats.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
> index 3ef0bb281e7c..390e92f2d8d1 100644
> --- a/drivers/pci/ats.c
> +++ b/drivers/pci/ats.c
> @@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
>
> return 0;
> }
> +EXPORT_SYMBOL_GPL(pci_enable_pasid);
>
> /**
> * pci_disable_pasid - Disable the PASID capability
> @@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)
>
> pdev->pasid_enabled = 0;
> }
> +EXPORT_SYMBOL_GPL(pci_disable_pasid);
>
> /**
> * pci_restore_pasid_state - Restore PASID capabilities
> @@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)
>
> return supported;
> }
> +EXPORT_SYMBOL_GPL(pci_pasid_features);
>
> #define PASID_NUMBER_SHIFT 8
> #define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
> @@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)
>
> return (1 << supported);
> }
> +EXPORT_SYMBOL_GPL(pci_max_pasids);
> #endif /* CONFIG_PCI_PASID */
> --
> 2.25.0
>
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <helgaas@kernel.org>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: robh@kernel.org, linux-pci@vger.kernel.org, joro@8bytes.org,
robin.murphy@arm.com, iommu@lists.linux-foundation.org,
jonathan.cameron@huawei.com, zhangfei.gao@linaro.org,
will@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/6] PCI/ATS: Export symbols of PASID functions
Date: Wed, 18 Mar 2020 13:36:06 -0500 [thread overview]
Message-ID: <20200318183606.GA207832@google.com> (raw)
In-Reply-To: <20200224165846.345993-2-jean-philippe@linaro.org>
On Mon, Feb 24, 2020 at 05:58:41PM +0100, Jean-Philippe Brucker wrote:
> The Arm SMMUv3 driver uses pci_{enable,disable}_pasid() and related
> functions. Export them to allow the driver to be built as a module.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> ---
> drivers/pci/ats.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
> index 3ef0bb281e7c..390e92f2d8d1 100644
> --- a/drivers/pci/ats.c
> +++ b/drivers/pci/ats.c
> @@ -366,6 +366,7 @@ int pci_enable_pasid(struct pci_dev *pdev, int features)
>
> return 0;
> }
> +EXPORT_SYMBOL_GPL(pci_enable_pasid);
>
> /**
> * pci_disable_pasid - Disable the PASID capability
> @@ -390,6 +391,7 @@ void pci_disable_pasid(struct pci_dev *pdev)
>
> pdev->pasid_enabled = 0;
> }
> +EXPORT_SYMBOL_GPL(pci_disable_pasid);
>
> /**
> * pci_restore_pasid_state - Restore PASID capabilities
> @@ -441,6 +443,7 @@ int pci_pasid_features(struct pci_dev *pdev)
>
> return supported;
> }
> +EXPORT_SYMBOL_GPL(pci_pasid_features);
>
> #define PASID_NUMBER_SHIFT 8
> #define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT)
> @@ -469,4 +472,5 @@ int pci_max_pasids(struct pci_dev *pdev)
>
> return (1 << supported);
> }
> +EXPORT_SYMBOL_GPL(pci_max_pasids);
> #endif /* CONFIG_PCI_PASID */
> --
> 2.25.0
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-18 18:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 16:58 [PATCH v2 0/6] iommu/arm-smmu-v3: Finish PASID support and command queue batching Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` [PATCH v2 1/6] PCI/ATS: Export symbols of PASID functions Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-03-18 18:36 ` Bjorn Helgaas [this message]
2020-03-18 18:36 ` Bjorn Helgaas
2020-03-18 18:36 ` Bjorn Helgaas
2020-03-18 21:12 ` Will Deacon
2020-03-18 21:12 ` Will Deacon
2020-03-18 21:12 ` Will Deacon
2020-02-24 16:58 ` [PATCH v2 2/6] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` [PATCH v2 3/6] iommu/arm-smmu-v3: Write level-1 descriptors atomically Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` [PATCH v2 4/6] iommu/arm-smmu-v3: Add command queue batching helpers Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` [PATCH v2 5/6] iommu/arm-smmu-v3: Batch context descriptor invalidation Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` [PATCH v2 6/6] iommu/arm-smmu-v3: Batch ATC invalidation commands Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
2020-02-24 16:58 ` Jean-Philippe Brucker
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