/* smp.h: Sparc64 specific SMP stuff. * * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) */ #ifndef _SPARC64_SMP_H #define _SPARC64_SMP_H #include <linux/threads.h> #include <asm/asi.h> #include <asm/starfire.h> #include <asm/spitfire.h> #ifndef __ASSEMBLY__ #include <linux/cpumask.h> #include <linux/cache.h> #endif /* !(__ASSEMBLY__) */ #ifdef CONFIG_SMP #ifndef __ASSEMBLY__ /* * Private routines/data */ #include <linux/bitops.h> #include <asm/atomic.h> #include <asm/percpu.h> DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); extern cpumask_t cpu_core_map[NR_CPUS]; extern int sparc64_multi_core; /* * General functions that each host system must provide. */ extern int hard_smp_processor_id(void); #define raw_smp_processor_id() (current_thread_info()->cpu) extern void smp_fill_in_sib_core_maps(void); extern void cpu_play_dead(void); extern void smp_fetch_global_regs(void); #ifdef CONFIG_HOTPLUG_CPU extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); #endif #endif /* !(__ASSEMBLY__) */ #else #define hard_smp_processor_id() 0 #define smp_fill_in_sib_core_maps() do { } while (0) #define smp_fetch_global_regs() do { } while (0) #endif /* !(CONFIG_SMP) */ #endif /* !(_SPARC64_SMP_H) */