mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-26 21:54:11 +08:00
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
/* smp.h: Sparc64 specific SMP stuff.
|
|
*
|
|
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
|
|
*/
|
|
|
|
#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 <asm/bitops.h>
|
|
#include <asm/atomic.h>
|
|
|
|
extern cpumask_t cpu_sibling_map[NR_CPUS];
|
|
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);
|
|
|
|
#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)
|
|
|
|
#endif /* !(CONFIG_SMP) */
|
|
|
|
#endif /* !(_SPARC64_SMP_H) */
|