diff options
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 29bac5345563..9b22055e6f85 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -244,6 +244,7 @@ struct iommu_iotlb_gather { * @sva_unbind: Unbind process address space from device * @sva_get_pasid: Get PASID associated to a SVA handle * @page_response: handle page request response + * @cache_invalidate: invalidate translation caches * @pgsize_bitmap: bitmap of all possible supported page sizes */ struct iommu_ops { @@ -306,6 +307,8 @@ struct iommu_ops { int (*page_response)(struct device *dev, struct iommu_fault_event *evt, struct iommu_page_response *msg); + int (*cache_invalidate)(struct iommu_domain *domain, struct device *dev, + struct iommu_cache_invalidate_info *inv_info); unsigned long pgsize_bitmap; }; @@ -417,6 +420,9 @@ extern int iommu_attach_device(struct iommu_domain *domain, struct device *dev); extern void iommu_detach_device(struct iommu_domain *domain, struct device *dev); +extern int iommu_cache_invalidate(struct iommu_domain *domain, + struct device *dev, + struct iommu_cache_invalidate_info *inv_info); extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev); extern struct iommu_domain *iommu_get_dma_domain(struct device *dev); extern int iommu_map(struct iommu_domain *domain, unsigned long iova, @@ -1005,6 +1011,14 @@ static inline int iommu_sva_get_pasid(struct iommu_sva *handle) return IOMMU_PASID_INVALID; } +static inline int +iommu_cache_invalidate(struct iommu_domain *domain, + struct device *dev, + struct iommu_cache_invalidate_info *inv_info) +{ + return -ENODEV; +} + #endif /* CONFIG_IOMMU_API */ #ifdef CONFIG_IOMMU_DEBUGFS |