Add a "rounddown_pow_of_two" routine to log2.h
[linux-2.6] / include / xen / features.h
1 /******************************************************************************
2  * features.h
3  *
4  * Query the features reported by Xen.
5  *
6  * Copyright (c) 2006, Ian Campbell
7  */
8
9 #ifndef __XEN_FEATURES_H__
10 #define __XEN_FEATURES_H__
11
12 #include <xen/interface/features.h>
13
14 void xen_setup_features(void);
15
16 extern u8 xen_features[XENFEAT_NR_SUBMAPS * 32];
17
18 static inline int xen_feature(int flag)
19 {
20         return xen_features[flag];
21 }
22
23 #endif /* __ASM_XEN_FEATURES_H__ */