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

   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 play_dead(void)
  28{
  29        mp_ops->play_dead();
  30}
  31
  32extern void register_smp_ops(struct plat_smp_ops *ops);
  33
  34#else
  35
  36static inline void plat_smp_setup(void)
  37{
  38        /* UP, nothing to do ... */
  39}
  40
  41static inline void register_smp_ops(struct plat_smp_ops *ops)
  42{
  43}
  44
  45static inline void play_dead(void)
  46{
  47        BUG();
  48}
  49
  50#endif /* CONFIG_SMP */
  51
  52#endif /* __ASM_SH_SMP_OPS_H */
  53