1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
new file mode 100644
index 000000000000..4dd4c04ff2f4
--- /dev/null
+++ b/include/linux/iommu-helper.h
@@ -0,0 +1,7 @@
+extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
+                                      unsigned long start, unsigned int nr,
+                                      unsigned long shift,
+                                      unsigned long boundary_size,
+                                      unsigned long align_mask);
+extern void iommu_area_free(unsigned long *map, unsigned long start,
+                            unsigned int nr);