Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_SH_SMP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_SH_SMP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/cpumask.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/smp-ops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifdef CONFIG_SMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/current.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define raw_smp_processor_id()	(current_thread_info()->cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* Map from cpu id to sequential logical cpu number. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern int __cpu_number_map[NR_CPUS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define cpu_number_map(cpu)  __cpu_number_map[cpu]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* The reverse map from sequential logical cpu number to cpu id.  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) extern int __cpu_logical_map[NR_CPUS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	SMP_MSG_FUNCTION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	SMP_MSG_RESCHEDULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	SMP_MSG_FUNCTION_SINGLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	SMP_MSG_TIMER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	SMP_MSG_NR,	/* must be last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) DECLARE_PER_CPU(int, cpu_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) void smp_message_recv(unsigned int msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void arch_send_call_function_single_ipi(int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) void arch_send_call_function_ipi_mask(const struct cpumask *mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) void native_play_dead(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void native_cpu_die(unsigned int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int native_cpu_disable(unsigned int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #ifdef CONFIG_HOTPLUG_CPU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void play_dead_common(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) extern int __cpu_disable(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline void __cpu_die(unsigned int cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	extern struct plat_smp_ops *mp_ops;     /* private */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	mp_ops->cpu_die(cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static inline int hard_smp_processor_id(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	extern struct plat_smp_ops *mp_ops;	/* private */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	if (!mp_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		return 0;	/* boot CPU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	return mp_ops->smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct of_cpu_method {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	const char *method;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	struct plat_smp_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define CPU_METHOD_OF_DECLARE(name, _method, _ops)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	static const struct of_cpu_method __cpu_method_of_table_##name	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 		__used __section("__cpu_method_of_table")		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 		= { .method = _method, .ops = _ops }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define hard_smp_processor_id()	(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #endif /* CONFIG_SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #endif /* __ASM_SH_SMP_H */