blob: 513c8571a4a00b0a8215b93062665238d9398e36 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
#ifndef _ASM_X86_SMP_H_
#define _ASM_X86_SMP_H_
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
#include <linux/init.h>
extern cpumask_t cpu_callout_map;
extern int smp_num_siblings;
extern unsigned int num_processors;
/*
* Trampoline 80x86 program as an array.
*/
extern const unsigned char trampoline_data [];
extern const unsigned char trampoline_end [];
extern unsigned char *trampoline_base;
struct smp_ops {
void (*smp_prepare_boot_cpu)(void);
void (*smp_prepare_cpus)(unsigned max_cpus);
int (*cpu_up)(unsigned cpu);
void (*smp_cpus_done)(unsigned max_cpus);
void (*smp_send_stop)(void);
void (*smp_send_reschedule)(int cpu);
int (*smp_call_function_mask)(cpumask_t mask,
void (*func)(void *info), void *info,
int wait);
};
/* Globals due to paravirt */
extern void set_cpu_sibling_map(int cpu);
#ifdef CONFIG_SMP
extern struct smp_ops smp_ops;
static inline void smp_send_stop(void)
{
smp_ops.smp_send_stop();
}
static inline void smp_prepare_boot_cpu(void)
{
smp_ops.smp_prepare_boot_cpu();
}
static inline void smp_prepare_cpus(unsigned int max_cpus)
{
smp_ops.smp_prepare_cpus(max_cpus);
}
static inline void smp_cpus_done(unsigned int max_cpus)
{
smp_ops.smp_cpus_done(max_cpus);
}
static inline int __cpu_up(unsigned int cpu)
{
return smp_ops.cpu_up(cpu);
}
static inline void smp_send_reschedule(int cpu)
{
smp_ops.smp_send_reschedule(cpu);
}
static inline int smp_call_function_mask(cpumask_t mask,
void (*func) (void *info), void *info,
int wait)
{
return smp_ops.smp_call_function_mask(mask, func, info, wait);
}
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void native_smp_cpus_done(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
extern unsigned disabled_cpus;
extern void prefill_possible_map(void);
#define SMP_TRAMPOLINE_BASE 0x6000
extern unsigned long setup_trampoline(void);
#endif
#ifdef CONFIG_X86_32
# include "smp_32.h"
#else
# include "smp_64.h"
#endif
#ifdef CONFIG_HOTPLUG_CPU
extern void cpu_exit_clear(void);
extern void cpu_uninit(void);
extern void remove_siblinginfo(int cpu);
#endif
extern void smp_alloc_memory(void);
extern void lock_ipi_call_lock(void);
extern void unlock_ipi_call_lock(void);
#endif /* __ASSEMBLY__ */
#endif
|
