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

   1#ifndef __ASM_SH_SMP_OPS_H
   2#define __ASM_SH_SMP_OPS_H
   3
   4struct 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
  15extern struct plat_smp_ops *mp_ops;
  16extern struct plat_smp_ops shx3_smp_ops;
  17
  18#ifdef CONFIG_SMP
  19
  20static inline void plat_smp_setup(void)
  21{
  22        BUG_ON(!mp_ops);
  23        mp_ops->smp_setup();
  24}
  25
  26static inline void play_dead(void)
  27{
  28        mp_ops->play_dead();
  29}
  30
  31extern void register_smp_ops(struct plat_smp_ops *ops);
  32
  33#else
  34
  35static inline void plat_smp_setup(void)
  36{
  37        /* UP, nothing to do ... */
  38}
  39
  40static inline void register_smp_ops(struct plat_smp_ops *ops)
  41{
  42}
  43
  44static inline void play_dead(void)
  45{
  46        BUG();
  47}
  48
  49#endif /* CONFIG_SMP */
  50
  51#endif /* __ASM_SH_SMP_OPS_H */
  52