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| author |   Joerg Roedel <jroedel@suse.de> | 2020-03-26 16:08:33 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-03-27 11:14:51 +0100 |
| commit | f9867f416ee721141e1664810516b8ebc2563cdd (patch) | |
| tree | 3072901b7dea25e68c5b7912f9f5940ed69785bf /include/linux/iommu.h | |
| parent | iommu/arm-smmu: Fix uninitilized variable warning (diff) | |
| download | wireguard-linux-f9867f416ee721141e1664810516b8ebc2563cdd.tar.xz wireguard-linux-f9867f416ee721141e1664810516b8ebc2563cdd.zip | |
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
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index d031ddc0596b..49e3173260b3 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); |