From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
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>
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 <20200310091229.29830-9-joro@8bytes.org>
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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>
List-Id: virtualization@lists.linuxfoundation.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
>