atomic.h: atomic_add_unless as inline. Remove system.h atomic.h circular dependency
[linux-2.6] / include / asm-sparc64 / smp.h
1 /* smp.h: Sparc64 specific SMP stuff.
2  *
3  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
4  */
5
6 #ifndef _SPARC64_SMP_H
7 #define _SPARC64_SMP_H
8
9 #include <linux/threads.h>
10 #include <asm/asi.h>
11 #include <asm/starfire.h>
12 #include <asm/spitfire.h>
13
14 #ifndef __ASSEMBLY__
15
16 #include <linux/cpumask.h>
17 #include <linux/cache.h>
18
19 #endif /* !(__ASSEMBLY__) */
20
21 #ifdef CONFIG_SMP
22
23 #ifndef __ASSEMBLY__
24
25 /*
26  *      Private routines/data
27  */
28  
29 #include <asm/bitops.h>
30 #include <asm/atomic.h>
31
32 extern cpumask_t phys_cpu_present_map;
33 #define cpu_possible_map phys_cpu_present_map
34
35 extern cpumask_t cpu_sibling_map[NR_CPUS];
36
37 /*
38  *      General functions that each host system must provide.
39  */
40
41 extern int hard_smp_processor_id(void);
42 #define raw_smp_processor_id() (current_thread_info()->cpu)
43
44 extern void smp_setup_cpu_possible_map(void);
45 extern unsigned char boot_cpu_id;
46
47 #endif /* !(__ASSEMBLY__) */
48
49 #else
50
51 #define smp_setup_cpu_possible_map() do { } while (0)
52 #define boot_cpu_id     (0)
53
54 #endif /* !(CONFIG_SMP) */
55
56 #endif /* !(_SPARC64_SMP_H) */