1 #ifndef _ASM_IA64_SYNC_BITOPS_H
2 #define _ASM_IA64_SYNC_BITOPS_H
3
4 /*
5 * Copyright (C) 2008 Isaku Yamahata <yamahata at valinux co jp>
6 *
7 * Based on synch_bitops.h which Dan Magenhaimer wrote.
8 *
9 * bit operations which provide guaranteed strong synchronisation
10 * when communicating with Xen or other guest OSes running on other CPUs.
11 */
12
sync_set_bit(int nr,volatile void * addr)13 static inline void sync_set_bit(int nr, volatile void *addr)
14 {
15 set_bit(nr, addr);
16 }
17
sync_clear_bit(int nr,volatile void * addr)18 static inline void sync_clear_bit(int nr, volatile void *addr)
19 {
20 clear_bit(nr, addr);
21 }
22
sync_change_bit(int nr,volatile void * addr)23 static inline void sync_change_bit(int nr, volatile void *addr)
24 {
25 change_bit(nr, addr);
26 }
27
sync_test_and_set_bit(int nr,volatile void * addr)28 static inline int sync_test_and_set_bit(int nr, volatile void *addr)
29 {
30 return test_and_set_bit(nr, addr);
31 }
32
sync_test_and_clear_bit(int nr,volatile void * addr)33 static inline int sync_test_and_clear_bit(int nr, volatile void *addr)
34 {
35 return test_and_clear_bit(nr, addr);
36 }
37
sync_test_and_change_bit(int nr,volatile void * addr)38 static inline int sync_test_and_change_bit(int nr, volatile void *addr)
39 {
40 return test_and_change_bit(nr, addr);
41 }
42
sync_test_bit(int nr,const volatile void * addr)43 static inline int sync_test_bit(int nr, const volatile void *addr)
44 {
45 return test_bit(nr, addr);
46 }
47
48 #define sync_cmpxchg(ptr, old, new) \
49 ((__typeof__(*(ptr)))cmpxchg_acq((ptr), (old), (new)))
50
51 #endif /* _ASM_IA64_SYNC_BITOPS_H */
52