Warning: This file is not a C or C++ file. It does not have highlighting.

1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SH_SMP_OPS_H
3#define __ASM_SH_SMP_OPS_H
4
5struct plat_smp_ops {
6 void (*smp_setup)(void);
7 unsigned int (*smp_processor_id)(void);
8 void (*prepare_cpus)(unsigned int max_cpus);
9 void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
10 void (*send_ipi)(unsigned int cpu, unsigned int message);
11 int (*cpu_disable)(unsigned int cpu);
12 void (*cpu_die)(unsigned int cpu);
13 void (*play_dead)(void);
14};
15
16extern struct plat_smp_ops *mp_ops;
17extern struct plat_smp_ops shx3_smp_ops;
18
19#ifdef CONFIG_SMP
20
21static inline void plat_smp_setup(void)
22{
23 BUG_ON(!mp_ops);
24 mp_ops->smp_setup();
25}
26
27static inline void __noreturn play_dead(void)
28{
29 mp_ops->play_dead();
30 BUG();
31}
32
33extern void register_smp_ops(struct plat_smp_ops *ops);
34
35#else
36
37static inline void plat_smp_setup(void)
38{
39 /* UP, nothing to do ... */
40}
41
42static inline void register_smp_ops(struct plat_smp_ops *ops)
43{
44}
45
46static inline void __noreturn play_dead(void)
47{
48 BUG();
49}
50
51#endif /* CONFIG_SMP */
52
53#endif /* __ASM_SH_SMP_OPS_H */
54

Warning: This file is not a C or C++ file. It does not have highlighting.

source code of linux/arch/sh/include/asm/smp-ops.h