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-rw-r--r--linux-headers/linux/vfio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index 17c58e0ede..26c218e692 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -23,6 +23,12 @@
 
 #define VFIO_TYPE1_IOMMU		1
 #define VFIO_SPAPR_TCE_IOMMU		2
+#define VFIO_TYPE1v2_IOMMU		3
+/*
+ * IOMMU enforces DMA cache coherence (ex. PCIe NoSnoop stripping).  This
+ * capability is subject to change as groups are added or removed.
+ */
+#define VFIO_DMA_CC_IOMMU		4
 
 /*
  * The IOCTL interface is designed for extensibility by embedding the