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From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org,
	linux-mediatek@lists.infradead.org,
	virtualization@lists.linux-foundation.org,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Hanjun Guo <guohanjun@huawei.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	Will Deacon <will@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 08/15] iommu: Introduce accessors for iommu private data
Date: Mon, 16 Mar 2020 16:47:49 +0100
Message-ID: <20200316154749.GI304669@myrica> (raw)
In-Reply-To: <20200310091229.29830-9-joro@8bytes.org>

On Tue, Mar 10, 2020 at 10:12:22AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
> 
> Add dev_iommu_priv_get/set() functions to access per-device iommu
> private data. This makes it easier to move the pointer to a different
> location.
> 
> Tested-by: Will Deacon <will@kernel.org> # arm-smmu
> Signed-off-by: Joerg Roedel <jroedel@suse.de>

Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>

> ---
>  include/linux/iommu.h | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index f5edc21a644d..056900e75758 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -627,6 +627,16 @@ static inline void dev_iommu_fwspec_set(struct device *dev,
>  	dev->iommu->fwspec = fwspec;
>  }
>  
> +static inline void *dev_iommu_priv_get(struct device *dev)
> +{
> +	return dev->iommu->fwspec->iommu_priv;
> +}
> +
> +static inline void dev_iommu_priv_set(struct device *dev, void *priv)
> +{
> +	dev->iommu->fwspec->iommu_priv = priv;
> +}
> +
>  int iommu_probe_device(struct device *dev);
>  void iommu_release_device(struct device *dev);
>  
> -- 
> 2.17.1
> 

  reply index

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-10  9:12 [PATCH 00/15 v2] iommu: Move iommu_fwspec out of 'struct device' Joerg Roedel
2020-03-10  9:12 ` [PATCH 01/15] iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API Joerg Roedel
2020-03-16 15:39   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 02/15] ACPI/IORT: Remove direct access of dev->iommu_fwspec Joerg Roedel
2020-03-16 15:40   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 03/15] drm/msm/mdp5: " Joerg Roedel
2020-03-16 15:42   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 04/15] iommu/tegra-gart: " Joerg Roedel
2020-03-16 15:42   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 05/15] iommu: Rename struct iommu_param to dev_iommu Joerg Roedel
2020-03-16 15:45   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 06/15] iommu: Move iommu_fwspec to struct dev_iommu Joerg Roedel
2020-03-16 15:46   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 07/15] iommu/arm-smmu: Fix uninitilized variable warning Joerg Roedel
2020-03-16 15:47   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 08/15] iommu: Introduce accessors for iommu private data Joerg Roedel
2020-03-16 15:47   ` Jean-Philippe Brucker [this message]
2020-03-10  9:12 ` [PATCH 09/15] iommu/arm-smmu-v3: Use accessor functions " Joerg Roedel
2020-03-16 15:49   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 10/15] iommu/arm-smmu: " Joerg Roedel
2020-03-16 17:55   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 11/15] iommu/renesas: " Joerg Roedel
2020-03-16 15:50   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 12/15] iommu/mediatek: " Joerg Roedel
2020-03-16 15:51   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 13/15] iommu/qcom: " Joerg Roedel
2020-03-16 15:52   ` Jean-Philippe Brucker
2020-03-19 13:11     ` Joerg Roedel
2020-03-10  9:12 ` [PATCH 14/15] iommu/virtio: " Joerg Roedel
2020-03-16 15:56   ` Jean-Philippe Brucker
2020-03-10  9:12 ` [PATCH 15/15] iommu: Move fwspec->iommu_priv to struct dev_iommu Joerg Roedel
2020-03-16 15:57   ` Jean-Philippe Brucker

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