Cregit: Linux 6.10: smp-ops.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Paul Mundt	190	91.35%	4	36.36%
Andrew Morton	5	2.40%	1	9.09%
Josh Poimboeuf	5	2.40%	2	18.18%
Linus Torvalds (pre-git)	5	2.40%	2	18.18%
Jens Axboe	2	0.96%	1	9.09%
Greg Kroah-Hartman	1	0.48%	1	9.09%
Total	208		11

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_SMP_OPS_H
#define __ASM_SH_SMP_OPS_H

struct plat_smp_ops {
	void (*smp_setup)(void);
	unsigned int (*smp_processor_id)(void);
	void (*prepare_cpus)(unsigned int max_cpus);
	void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
	void (*send_ipi)(unsigned int cpu, unsigned int message);
	int (*cpu_disable)(unsigned int cpu);
	void (*cpu_die)(unsigned int cpu);
	void (*play_dead)(void);
};

extern struct plat_smp_ops *mp_ops;
extern struct plat_smp_ops shx3_smp_ops;

#ifdef CONFIG_SMP

static inline void plat_smp_setup(void)
{
	BUG_ON(!mp_ops);
	mp_ops->smp_setup();
}

static inline void __noreturn play_dead(void)
{
	mp_ops->play_dead();
	BUG();
}

extern void register_smp_ops(struct plat_smp_ops *ops);

#else

static inline void plat_smp_setup(void)
{
	/* UP, nothing to do ... */
}

static inline void register_smp_ops(struct plat_smp_ops *ops)
{
}

static inline void __noreturn play_dead(void)
{
	BUG();
}

#endif /* CONFIG_SMP */

#endif /* __ASM_SH_SMP_OPS_H */