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-rw-r--r--include/linux/vfio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 24579a0312a0..81022a52bc34 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -96,5 +96,7 @@ extern void vfio_unregister_iommu_driver(
extern struct vfio_group *vfio_group_get_external_user(struct file *filep);
extern void vfio_group_put_external_user(struct vfio_group *group);
extern int vfio_external_user_iommu_id(struct vfio_group *group);
+extern long vfio_external_check_extension(struct vfio_group *group,
+ unsigned long arg);
#endif /* VFIO_H */