diff options
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index f9c1b6d0f2e4..f28dff313b07 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -81,6 +81,7 @@ struct iommu_domain { iommu_fault_handler_t handler; void *handler_token; struct iommu_domain_geometry geometry; + void *iova_cookie; }; enum iommu_cap { @@ -167,7 +168,7 @@ struct iommu_ops { phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova); int (*add_device)(struct device *dev); void (*remove_device)(struct device *dev); - int (*device_group)(struct device *dev, unsigned int *groupid); + struct iommu_group *(*device_group)(struct device *dev); int (*domain_get_attr)(struct iommu_domain *domain, enum iommu_attr attr, void *data); int (*domain_set_attr)(struct iommu_domain *domain, @@ -316,6 +317,11 @@ static inline size_t iommu_map_sg(struct iommu_domain *domain, return domain->ops->map_sg(domain, iova, sg, nents, prot); } +/* 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 */ struct iommu_ops {}; |