diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 4cde111e425b..c4635dd357c4 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -147,6 +147,9 @@ struct io_pgtable_cfg {
  * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers.
  *
  * @map:          Map a physically contiguous memory region.
+ * @map_sg:       Map a scatter-gather list of physically contiguous memory
+ *                chunks. The mapped pointer argument is used to store how
+ *                many bytes are mapped.
  * @unmap:        Unmap a physically contiguous memory region.
  * @iova_to_phys: Translate iova to physical address.
  *
@@ -156,6 +159,9 @@ struct io_pgtable_cfg {
 struct io_pgtable_ops {
 	int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
 		   phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
+	int (*map_sg)(struct io_pgtable_ops *ops, unsigned long iova,
+		      struct scatterlist *sg, unsigned int nents, int prot,
+		      gfp_t gfp, size_t *mapped);
 	size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
 			size_t size, struct iommu_iotlb_gather *gather);
 	phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops,