Commit | Line | Data |
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1da177e4 LT |
1 | /* smp.h: Sparc64 specific SMP stuff. |
2 | * | |
93dae5b7 | 3 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) |
1da177e4 LT |
4 | */ |
5 | ||
6 | #ifndef _SPARC64_SMP_H | |
7 | #define _SPARC64_SMP_H | |
8 | ||
1da177e4 LT |
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 | ||
1977f032 | 29 | #include <linux/bitops.h> |
1da177e4 | 30 | #include <asm/atomic.h> |
d5a7430d | 31 | #include <asm/percpu.h> |
1da177e4 | 32 | |
d5a7430d | 33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); |
f78eae2e | 34 | extern cpumask_t cpu_core_map[NR_CPUS]; |
a2f9f6bb | 35 | extern int sparc64_multi_core; |
8935dced | 36 | |
1da177e4 LT |
37 | /* |
38 | * General functions that each host system must provide. | |
39 | */ | |
40 | ||
92704a1c | 41 | extern int hard_smp_processor_id(void); |
39c715b7 | 42 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
1da177e4 | 43 | |
5cbc3073 | 44 | extern void smp_fill_in_sib_core_maps(void); |
e0204409 | 45 | extern void cpu_play_dead(void); |
7abea921 | 46 | |
93dae5b7 DM |
47 | extern void smp_fetch_global_regs(void); |
48 | ||
4f0234f4 DM |
49 | #ifdef CONFIG_HOTPLUG_CPU |
50 | extern int __cpu_disable(void); | |
51 | extern void __cpu_die(unsigned int cpu); | |
52 | #endif | |
53 | ||
1da177e4 LT |
54 | #endif /* !(__ASSEMBLY__) */ |
55 | ||
7abea921 DM |
56 | #else |
57 | ||
2f4dfe20 | 58 | #define hard_smp_processor_id() 0 |
5cbc3073 | 59 | #define smp_fill_in_sib_core_maps() do { } while (0) |
93dae5b7 | 60 | #define smp_fetch_global_regs() do { } while (0) |
7abea921 | 61 | |
1da177e4 LT |
62 | #endif /* !(CONFIG_SMP) */ |
63 | ||
1da177e4 | 64 | #endif /* !(_SPARC64_SMP_H) */ |