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iommu: Add generic_device_group() function

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This function can be used as a device_group call-back and
just allocates one iommu-group per device.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2015-10-21 23:51:38 +02:00
commit 6eab556a40
2 changed files with 17 additions and 0 deletions
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include/linux/iommu.h
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@ -319,6 +319,8 @@ static inline size_t iommu_map_sg(struct iommu_domain *domain,
/* PCI device grouping function */
extern struct iommu_group *pci_device_group(struct device *dev);
/* Generic device grouping function */
extern struct iommu_group *generic_device_group(struct device *dev);
#else /* CONFIG_IOMMU_API */