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Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 8c66284a91a8..54b8b48c762e 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -910,6 +910,7 @@ extern int iommu_attach_device(struct iommu_domain *domain,
extern void iommu_detach_device(struct iommu_domain *domain,
struct device *dev);
extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev);
+struct iommu_domain *iommu_driver_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,
phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
@@ -1187,6 +1188,10 @@ void iommu_detach_device_pasid(struct iommu_domain *domain,
struct device *dev, ioasid_t pasid);
ioasid_t iommu_alloc_global_pasid(struct device *dev);
void iommu_free_global_pasid(ioasid_t pasid);
+
+/* PCI device reset functions */
+int pci_dev_reset_iommu_prepare(struct pci_dev *pdev);
+void pci_dev_reset_iommu_done(struct pci_dev *pdev);
#else /* CONFIG_IOMMU_API */
struct iommu_ops {};
@@ -1510,6 +1515,15 @@ static inline ioasid_t iommu_alloc_global_pasid(struct device *dev)
}
static inline void iommu_free_global_pasid(ioasid_t pasid) {}
+
+static inline int pci_dev_reset_iommu_prepare(struct pci_dev *pdev)
+{
+ return 0;
+}
+
+static inline void pci_dev_reset_iommu_done(struct pci_dev *pdev)
+{
+}
#endif /* CONFIG_IOMMU_API */
#ifdef CONFIG_IRQ_MSI_IOMMU