/* smp.h: PPC specific SMP stuff. * * Original was a copy of sparc smp.h.  Now heavily modified * for PPC. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) * Copyright (C) 1996-2001 Cort Dougan <cort@fsmlabs.com> */#ifdef __KERNEL__#ifndef _PPC_SMP_H#define _PPC_SMP_H #include <linux/kernel.h>#include <linux/bitops.h>#include <linux/errno.h>#include <linux/cpumask.h>#include <linux/threads.h> #ifdef CONFIG_SMP #ifndef __ASSEMBLY__ struct cpuinfo_PPC {	unsigned long loops_per_jiffy;	unsigned long pvr;	unsigned long *pgd_cache;	unsigned long *pte_cache;	unsigned long pgtable_cache_sz;}; extern struct cpuinfo_PPC cpu_data[];extern cpumask_t cpu_online_map;extern cpumask_t cpu_possible_map;extern unsigned long smp_proc_in_lock[];extern volatile unsigned long cpu_callin_map[];extern int smp_tb_synchronized;extern struct smp_ops_t *smp_ops; extern void smp_send_tlb_invalidate(int);extern void smp_send_xmon_break(int cpu);struct pt_regs;extern void smp_message_recv(int, struct pt_regs *); extern int __cpu_disable(void);extern void __cpu_die(unsigned int cpu);extern void cpu_die(void) __attribute__((noreturn)); #define raw_smp_processor_id()	(current_thread_info()->cpu) extern int __cpu_up(unsigned int cpu); extern int smp_hw_index[];#define hard_smp_processor_id() 	(smp_hw_index[smp_processor_id()])#define get_hard_smp_processor_id(cpu)	(smp_hw_index[(cpu)])#define set_hard_smp_processor_id(cpu, phys)\					(smp_hw_index[(cpu)] = (phys)) #endif /* __ASSEMBLY__ */ #else /* !(CONFIG_SMP) */ static inline void cpu_die(void) { }#define get_hard_smp_processor_id(cpu) 0#define set_hard_smp_processor_id(cpu, phys)#define hard_smp_processor_id() 0 #endif /* !(CONFIG_SMP) */ #ifndef __ASSEMBLY__extern int boot_cpuid;extern int boot_cpuid_phys;#endif #endif /* !(_PPC_SMP_H) */#endif /* __KERNEL__ */