v4.19.13 snapshot.
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
new file mode 100644
index 0000000..f23b90b
--- /dev/null
+++ b/include/linux/kvm_para.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_KVM_PARA_H
+#define __LINUX_KVM_PARA_H
+
+#include <uapi/linux/kvm_para.h>
+
+
+static inline bool kvm_para_has_feature(unsigned int feature)
+{
+ return !!(kvm_arch_para_features() & (1UL << feature));
+}
+
+static inline bool kvm_para_has_hint(unsigned int feature)
+{
+ return !!(kvm_arch_para_hints() & (1UL << feature));
+}
+#endif /* __LINUX_KVM_PARA_H */