#include <linux/errno.h>
#include <linux/err.h>
#include <linux/types.h>
+#include <trace/events/iommu.h>
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
ret = domain->handler(domain, dev, iova, flags,
domain->handler_token);
+ trace_io_page_fault(dev, iova, flags);
return ret;
}