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-rw-r--r--arch/ia64/kernel/dma-mapping.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
new file mode 100644
index 0000000000..cd0c166bfb
--- /dev/null
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/dma-map-ops.h>
+#include <linux/export.h>
+
+/* Set this to 1 if there is a HW IOMMU in the system */
+int iommu_detected __read_mostly;
+
+const struct dma_map_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);