diff mbox series

[08/15] iommu: Introduce accessors for iommu private data

Message ID 20200310091229.29830-9-joro@8bytes.org (mailing list archive)
State Superseded
Headers show
Series iommu: Move iommu_fwspec out of 'struct device' | expand

Commit Message

Joerg Roedel March 10, 2020, 9:12 a.m. UTC
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>
---
 include/linux/iommu.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Jean-Philippe Brucker March 16, 2020, 3:47 p.m. UTC | #1
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
>
diff mbox series

Patch

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);