xen/arm: introduce XENFEAT_grant_map_identity

[firefly-linux-kernel-4.4.55.git] / include / xen / interface / features.h

diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h
index 131a6ccdba25693e6899b7813d99a6934e846ce4..14334d0161d5db26746af589920d10757209a5fb 100644 (file)
--- a/include/xen/interface/features.h
+++ b/include/xen/interface/features.h
@@ -53,6 +53,9 @@
 /* operation as Dom0 is supported */
 #define XENFEAT_dom0                      11
 
+/* Xen also maps grant references at pfn = mfn */
+#define XENFEAT_grant_map_identity        12
+
 #define XENFEAT_NR_SUBMAPS 1
 
 #endif /* __XEN_PUBLIC_FEATURES_H__ */