This header is meant to exposes data types used by
several IOMMU devices such as struct for SVA and
nested stage configuration.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 include/hw/iommu/iommu.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 include/hw/iommu/iommu.h

diff --git a/include/hw/iommu/iommu.h b/include/hw/iommu/iommu.h
new file mode 100644
index 0000000000..12092bda7b
--- /dev/null
+++ b/include/hw/iommu/iommu.h
@@ -0,0 +1,28 @@
+/*
+ * common header for iommu devices
+ *
+ * Copyright Red Hat, Inc. 2019
+ *
+ * Authors:
+ *  Eric Auger <eric.auger@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HW_IOMMU_IOMMU_H
+#define QEMU_HW_IOMMU_IOMMU_H
+#ifdef __linux__
+#include <linux/iommu.h>
+#endif
+
+typedef struct IOMMUConfig {
+    union {
+#ifdef __linux__
+        struct iommu_pasid_table_config pasid_cfg;
+#endif
+          };
+} IOMMUConfig;
+
+
+#endif /* QEMU_HW_IOMMU_IOMMU_H */
-- 
2.20.1