2  * smp.h: PowerPC-specific SMP code.
8  * Copyright (C) 1996-2001 Cort Dougan <cort@fsmlabs.com>
37 extern int cpu_to_chip_id(int cpu);
42 	void  (*message_pass)(int cpu, int msg);
44 	void  (*cause_ipi)(int cpu);
46 	int   (*cause_nmi_ipi)(int cpu);
48 	int   (*kick_cpu)(int nr);
49 	int   (*prepare_cpu)(int nr);
50 	void  (*setup_cpu)(int nr);
55 	void  (*cpu_die)(unsigned int nr);
56 	int   (*cpu_bootable)(unsigned int nr);
59 extern int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
60 extern int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
70 void generic_cpu_die(unsigned int cpu);
71 void generic_set_cpu_dead(unsigned int cpu);
72 void generic_set_cpu_up(unsigned int cpu);
73 int generic_check_cpu_restart(unsigned int cpu);
74 int is_cpu_dead(unsigned int cpu);
80 #define raw_smp_processor_id()	(local_paca->paca_index)
81 #define hard_smp_processor_id() (get_paca()->hw_cpu_id)
83 /* 32-bit */
86 #define raw_smp_processor_id()	(current_thread_info()->cpu)
89 static inline int get_hard_smp_processor_id(int cpu)  in get_hard_smp_processor_id()  argument
91 	return smp_hw_index[cpu];  in get_hard_smp_processor_id()
94 static inline void set_hard_smp_processor_id(int cpu, int phys)  in set_hard_smp_processor_id()  argument
96 	smp_hw_index[cpu] = phys;  in set_hard_smp_processor_id()
104 static inline struct cpumask *cpu_sibling_mask(int cpu)  in cpu_sibling_mask()  argument
106 	return per_cpu(cpu_sibling_map, cpu);  in cpu_sibling_mask()
109 static inline struct cpumask *cpu_core_mask(int cpu)  in cpu_core_mask()  argument
111 	return per_cpu(cpu_core_map, cpu);  in cpu_core_mask()
114 static inline struct cpumask *cpu_l2_cache_mask(int cpu)  in cpu_l2_cache_mask()  argument
116 	return per_cpu(cpu_l2_cache_map, cpu);  in cpu_l2_cache_mask()
119 extern int cpu_to_core_id(int cpu);
124  * in /proc/interrupts will be wrong!!! --Troy */
133 #define NMI_IPI_ALL_OTHERS		-2
146 extern void smp_muxed_ipi_message_pass(int cpu, int msg);
147 extern void smp_muxed_ipi_set_message(int cpu, int msg);
156 extern void __cpu_die(unsigned int cpu);
164 static inline const struct cpumask *cpu_sibling_mask(int cpu)  in cpu_sibling_mask()  argument
166 	return cpumask_of(cpu);  in cpu_sibling_mask()
172 static inline int get_hard_smp_processor_id(int cpu)  in get_hard_smp_processor_id()  argument
174 	return paca_ptrs[cpu]->hw_cpu_id;  in get_hard_smp_processor_id()
177 static inline void set_hard_smp_processor_id(int cpu, int phys)  in set_hard_smp_processor_id()  argument
179 	paca_ptrs[cpu]->hw_cpu_id = phys;  in set_hard_smp_processor_id()
182 /* 32-bit */
185 static inline int get_hard_smp_processor_id(int cpu)  in get_hard_smp_processor_id()  argument
190 static inline void set_hard_smp_processor_id(int cpu, int phys)  in set_hard_smp_processor_id()  argument
206 extern void smp_mpic_setup_cpu(int cpu);
207 extern int smp_generic_kick_cpu(int nr);
208 extern int smp_generic_cpu_bootable(unsigned int nr);
216 extern void arch_send_call_function_single_ipi(int cpu);
219 /* Definitions relative to the secondary CPU spin loop
221  * 64-bit but defining them all here doesn't harm