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-rw-r--r--linux-headers/linux/vfio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 12a7b1dc53..24f505199f 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -353,6 +353,10 @@ struct vfio_region_gfx_edid {
 #define VFIO_DEVICE_GFX_LINK_STATE_DOWN  2
 };
 
+#define VFIO_REGION_TYPE_CCW			(2)
+/* ccw sub-types */
+#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD	(1)
+
 /*
  * 10de vendor sub-type
  *