#define __LINUX_IOMMU_H
#include <linux/errno.h>
+#include <linux/types.h>
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
struct bus_type;
struct device;
struct iommu_domain;
+struct notifier_block;
/* iommu fault flags */
#define IOMMU_FAULT_READ 0x0