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Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h23
1 files changed, 9 insertions, 14 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 19938ee6eb31..87994c265bf5 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -166,8 +166,6 @@ struct iommu_resv_region {
* @detach_dev: detach device from an iommu domain
* @map: map a physically contiguous memory region to an iommu domain
* @unmap: unmap a physically contiguous memory region from an iommu domain
- * @map_sg: map a scatter-gather list of physically contiguous memory chunks
- * to an iommu domain
* @flush_tlb_all: Synchronously flush all hardware TLBs for this domain
* @tlb_range_add: Add a given iova range to the flush queue for this domain
* @tlb_sync: Flush all queued ranges from the hardware TLBs and empty flush
@@ -201,8 +199,6 @@ struct iommu_ops {
phys_addr_t paddr, size_t size, int prot);
size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
size_t size);
- size_t (*map_sg)(struct iommu_domain *domain, unsigned long iova,
- struct scatterlist *sg, unsigned int nents, int prot);
void (*flush_iotlb_all)(struct iommu_domain *domain);
void (*iotlb_range_add)(struct iommu_domain *domain,
unsigned long iova, size_t size);
@@ -303,9 +299,8 @@ extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
size_t size);
extern size_t iommu_unmap_fast(struct iommu_domain *domain,
unsigned long iova, size_t size);
-extern size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
- struct scatterlist *sg,unsigned int nents,
- int prot);
+extern size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+ struct scatterlist *sg,unsigned int nents, int prot);
extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
extern void iommu_set_fault_handler(struct iommu_domain *domain,
iommu_fault_handler_t handler, void *token);
@@ -378,13 +373,6 @@ static inline void iommu_tlb_sync(struct iommu_domain *domain)
domain->ops->iotlb_sync(domain);
}
-static inline size_t iommu_map_sg(struct iommu_domain *domain,
- unsigned long iova, struct scatterlist *sg,
- unsigned int nents, int prot)
-{
- 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 */
@@ -698,4 +686,11 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode)
#endif /* CONFIG_IOMMU_API */
+#ifdef CONFIG_IOMMU_DEBUGFS
+extern struct dentry *iommu_debugfs_dir;
+void iommu_debugfs_setup(void);
+#else
+static inline void iommu_debugfs_setup(void) {}
+#endif
+
#endif /* __LINUX_IOMMU_H */