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authorAlex Williamson <alex.williamson@redhat.com>2014-02-26 22:38:39 +0400
committerAlex Williamson <alex.williamson@redhat.com>2014-02-26 22:38:39 +0400
commit88d7ab8949427f492c39f6daf0ac67f0242a88bc (patch)
treecfa7d27b7a59ff6ffe666374a19e08b2e5f1ee64 /include/linux/vfio.h
parentaa429318279b90192f35a97e9ccdc1e83b3a9624 (diff)
downloadlinux-88d7ab8949427f492c39f6daf0ac67f0242a88bc.tar.xz
vfio: Add external user check extension interface
This lets us check extensions, particularly VFIO_DMA_CC_IOMMU using the external user interface, allowing KVM to probe IOMMU coherency. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/vfio.h')
-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 */