This source file includes following definitions.
- __cpu_die
- hard_smp_processor_id
1
2 #ifndef __ASM_SH_SMP_H
3 #define __ASM_SH_SMP_H
4
5 #include <linux/bitops.h>
6 #include <linux/cpumask.h>
7 #include <asm/smp-ops.h>
8
9 #ifdef CONFIG_SMP
10
11 #include <linux/spinlock.h>
12 #include <linux/atomic.h>
13 #include <asm/current.h>
14 #include <asm/percpu.h>
15
16 #define raw_smp_processor_id() (current_thread_info()->cpu)
17
18
19 extern int __cpu_number_map[NR_CPUS];
20 #define cpu_number_map(cpu) __cpu_number_map[cpu]
21
22
23 extern int __cpu_logical_map[NR_CPUS];
24 #define cpu_logical_map(cpu) __cpu_logical_map[cpu]
25
26 enum {
27 SMP_MSG_FUNCTION,
28 SMP_MSG_RESCHEDULE,
29 SMP_MSG_FUNCTION_SINGLE,
30 SMP_MSG_TIMER,
31
32 SMP_MSG_NR,
33 };
34
35 DECLARE_PER_CPU(int, cpu_state);
36
37 void smp_message_recv(unsigned int msg);
38
39 void arch_send_call_function_single_ipi(int cpu);
40 void arch_send_call_function_ipi_mask(const struct cpumask *mask);
41
42 void native_play_dead(void);
43 void native_cpu_die(unsigned int cpu);
44 int native_cpu_disable(unsigned int cpu);
45
46 #ifdef CONFIG_HOTPLUG_CPU
47 void play_dead_common(void);
48 extern int __cpu_disable(void);
49
50 static inline void __cpu_die(unsigned int cpu)
51 {
52 extern struct plat_smp_ops *mp_ops;
53
54 mp_ops->cpu_die(cpu);
55 }
56 #endif
57
58 static inline int hard_smp_processor_id(void)
59 {
60 extern struct plat_smp_ops *mp_ops;
61
62 if (!mp_ops)
63 return 0;
64
65 return mp_ops->smp_processor_id();
66 }
67
68 struct of_cpu_method {
69 const char *method;
70 struct plat_smp_ops *ops;
71 };
72
73 #define CPU_METHOD_OF_DECLARE(name, _method, _ops) \
74 static const struct of_cpu_method __cpu_method_of_table_##name \
75 __used __section(__cpu_method_of_table) \
76 = { .method = _method, .ops = _ops }
77
78 #else
79
80 #define hard_smp_processor_id() (0)
81
82 #endif
83
84 #endif