Commit f9867f41 authored Mar 26, 2020 by Joerg Roedel

iommu: Introduce accessors for iommu private data



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.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Will Deacon <will@kernel.org> # arm-smmu
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20200326150841.10083-9-joro@8bytes.org

parent 0b242ebb

include/linux/iommu.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -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);

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