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f5e706ad SR |
1 | /* smp.h: Sparc64 specific SMP stuff. |
2 | * | |
3 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) | |
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 <linux/bitops.h> | |
60063497 | 30 | #include <linux/atomic.h> |
f5e706ad SR |
31 | #include <asm/percpu.h> |
32 | ||
33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | |
34 | extern cpumask_t cpu_core_map[NR_CPUS]; | |
35 | extern int sparc64_multi_core; | |
36 | ||
d172ad18 | 37 | extern void arch_send_call_function_single_ipi(int cpu); |
f46df02a | 38 | extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); |
d172ad18 | 39 | |
f5e706ad SR |
40 | /* |
41 | * General functions that each host system must provide. | |
42 | */ | |
43 | ||
44 | extern int hard_smp_processor_id(void); | |
45 | #define raw_smp_processor_id() (current_thread_info()->cpu) | |
46 | ||
47 | extern void smp_fill_in_sib_core_maps(void); | |
48 | extern void cpu_play_dead(void); | |
49 | ||
50 | extern void smp_fetch_global_regs(void); | |
916ca14a | 51 | extern void smp_fetch_global_pmu(void); |
f5e706ad | 52 | |
cb1b8209 SR |
53 | struct seq_file; |
54 | void smp_bogo(struct seq_file *); | |
55 | void smp_info(struct seq_file *); | |
56 | ||
f5e706ad SR |
57 | #ifdef CONFIG_HOTPLUG_CPU |
58 | extern int __cpu_disable(void); | |
59 | extern void __cpu_die(unsigned int cpu); | |
60 | #endif | |
61 | ||
62 | #endif /* !(__ASSEMBLY__) */ | |
63 | ||
64 | #else | |
65 | ||
66 | #define hard_smp_processor_id() 0 | |
67 | #define smp_fill_in_sib_core_maps() do { } while (0) | |
68 | #define smp_fetch_global_regs() do { } while (0) | |
916ca14a | 69 | #define smp_fetch_global_pmu() do { } while (0) |
f5e706ad SR |
70 | |
71 | #endif /* !(CONFIG_SMP) */ | |
72 | ||
73 | #endif /* !(_SPARC64_SMP_H) */ |