summaryrefslogtreecommitdiff
path: root/arch/sh/include/asm/smp-ops.h
blob: c590f76856f1ecd53af5a27ddef1e8e36dc5c525 (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
#ifndef __ASM_SH_SMP_OPS_H
#define __ASM_SH_SMP_OPS_H

struct plat_smp_ops {
	void (*smp_setup)(void);
	unsigned int (*smp_processor_id)(void);
	void (*prepare_cpus)(unsigned int max_cpus);
	void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
	void (*send_ipi)(unsigned int cpu, unsigned int message);
	int (*cpu_disable)(unsigned int cpu);
	void (*cpu_die)(unsigned int cpu);
	void (*play_dead)(void);
};

extern struct plat_smp_ops *mp_ops;
extern struct plat_smp_ops shx3_smp_ops;

#ifdef CONFIG_SMP

static inline void plat_smp_setup(void)
{
	BUG_ON(!mp_ops);
	mp_ops->smp_setup();
}

static inline void play_dead(void)
{
	mp_ops->play_dead();
}

extern void register_smp_ops(struct plat_smp_ops *ops);

#else

static inline void plat_smp_setup(void)
{
	/* UP, nothing to do ... */
}

static inline void register_smp_ops(struct plat_smp_ops *ops)
{
}

static inline void play_dead(void)
{
	BUG();
}

#endif /* CONFIG_SMP */

#endif /* __ASM_SH_SMP_OPS_H */