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| author |   Joerg Roedel <jroedel@suse.de> | 2020-03-26 16:08:31 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-03-27 11:14:51 +0100 |
| commit | 72acd9df18f12420001f901493c54b7364f34d60 (patch) | |
| tree | df733bf8cdb5925e99ef528f615ec65c770d5d70 /include/linux/iommu.h | |
| parent | iommu: Rename struct iommu_param to dev_iommu (diff) | |
| download | wireguard-linux-72acd9df18f12420001f901493c54b7364f34d60.tar.xz wireguard-linux-72acd9df18f12420001f901493c54b7364f34d60.zip | |
iommu: Move iommu_fwspec to struct dev_iommu
Move the iommu_fwspec pointer in struct device into struct dev_iommu.
This is a step in the effort to reduce the iommu related pointers in
struct device to one.
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>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200326150841.10083-7-joro@8bytes.org
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 843baaa65f10..d031ddc0596b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -368,14 +368,15 @@ struct iommu_fault_param { * struct dev_iommu - Collection of per-device IOMMU data * * @fault_param: IOMMU detected device fault reporting data + * @fwspec: IOMMU fwspec data * * TODO: migrate other per device data pointers under iommu_dev_data, e.g. * struct iommu_group *iommu_group; - * struct iommu_fwspec *iommu_fwspec; */ struct dev_iommu { struct mutex lock; - struct iommu_fault_param *fault_param; + struct iommu_fault_param *fault_param; + struct iommu_fwspec *fwspec; }; int iommu_device_register(struct iommu_device *iommu); @@ -614,13 +615,16 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode); static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev) { - return dev->iommu_fwspec; + if (dev->iommu) + return dev->iommu->fwspec; + else + return NULL; } static inline void dev_iommu_fwspec_set(struct device *dev, struct iommu_fwspec *fwspec) { - dev->iommu_fwspec = fwspec; + dev->iommu->fwspec = fwspec; } int iommu_probe_device(struct device *dev); |