arch/sh/include/asm/smp-ops.h

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