KVM: Future-proof device assignment ABI

Reserve some space so we can add more data.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 797fcd781242..f18b86fa8655 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -489,6 +489,9 @@ struct kvm_assigned_pci_dev {
         __u32 busnr;
         __u32 devfn;
         __u32 flags;
+        union {
+                __u32 reserved[12];
+        };
 };
 
 struct kvm_assigned_irq {
@@ -496,6 +499,9 @@ struct kvm_assigned_irq {
         __u32 host_irq;
         __u32 guest_irq;
         __u32 flags;
+        union {
+                __u32 reserved[12];
+        };
 };
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)