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-rw-r--r--include/linux/iommu-helper.h7
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 00000000000..4dd4c04ff2f
--- /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);