diff --git a/libc/kernel/uapi/linux/vfio.h b/libc/kernel/uapi/linux/vfio.h
index f0f5c8f..e0f322b 100644
--- a/libc/kernel/uapi/linux/vfio.h
+++ b/libc/kernel/uapi/linux/vfio.h
@@ -29,6 +29,8 @@
 #define VFIO_TYPE1_NESTING_IOMMU 6
 #define VFIO_SPAPR_TCE_v2_IOMMU 7
 #define VFIO_NOIOMMU_IOMMU 8
+#define VFIO_UNMAP_ALL 9
+#define VFIO_UPDATE_VADDR 10
 #define VFIO_TYPE (';')
 #define VFIO_BASE 100
 struct vfio_info_cap_header {
@@ -320,6 +322,7 @@
   __u32 flags;
 #define VFIO_DMA_MAP_FLAG_READ (1 << 0)
 #define VFIO_DMA_MAP_FLAG_WRITE (1 << 1)
+#define VFIO_DMA_MAP_FLAG_VADDR (1 << 2)
   __u64 vaddr;
   __u64 iova;
   __u64 size;
@@ -334,6 +337,8 @@
   __u32 argsz;
   __u32 flags;
 #define VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP (1 << 0)
+#define VFIO_DMA_UNMAP_FLAG_ALL (1 << 1)
+#define VFIO_DMA_UNMAP_FLAG_VADDR (1 << 2)
   __u64 iova;
   __u64 size;
   __u8 data[];