1/* smp.h: Sparc64 specific SMP stuff. 2 * 3 * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) 4 */ 5 6#ifndef _SPARC64_SMP_H 7#define _SPARC64_SMP_H 8 9#include <linux/threads.h> 10#include <asm/asi.h> 11#include <asm/starfire.h> 12#include <asm/spitfire.h> 13 14#ifndef __ASSEMBLY__ 15 16#include <linux/cpumask.h> 17#include <linux/cache.h> 18 19#endif /* !(__ASSEMBLY__) */ 20 21#ifdef CONFIG_SMP 22 23#ifndef __ASSEMBLY__ 24 25/* 26 * Private routines/data 27 */ 28 29#include <linux/bitops.h> 30#include <linux/atomic.h> 31#include <asm/percpu.h> 32 33DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); 34extern cpumask_t cpu_core_map[NR_CPUS]; 35 36void arch_send_call_function_single_ipi(int cpu); 37void arch_send_call_function_ipi_mask(const struct cpumask *mask); 38 39/* 40 * General functions that each host system must provide. 41 */ 42 43int hard_smp_processor_id(void); 44#define raw_smp_processor_id() (current_thread_info()->cpu) 45 46void smp_fill_in_sib_core_maps(void); 47void cpu_play_dead(void); 48 49void smp_fetch_global_regs(void); 50void smp_fetch_global_pmu(void); 51 52struct seq_file; 53void smp_bogo(struct seq_file *); 54void smp_info(struct seq_file *); 55 56void smp_callin(void); 57void cpu_panic(void); 58void smp_synchronize_tick_client(void); 59void smp_capture(void); 60void smp_release(void); 61 62#ifdef CONFIG_HOTPLUG_CPU 63int __cpu_disable(void); 64void __cpu_die(unsigned int cpu); 65#endif 66 67#endif /* !(__ASSEMBLY__) */ 68 69#else 70 71#define hard_smp_processor_id() 0 72#define smp_fill_in_sib_core_maps() do { } while (0) 73#define smp_fetch_global_regs() do { } while (0) 74#define smp_fetch_global_pmu() do { } while (0) 75 76#endif /* !(CONFIG_SMP) */ 77 78#endif /* !(_SPARC64_SMP_H) */ 79