smp-ops.h (1012B)
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 */