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1/* smp.h: Sparc64 specific SMP stuff.
2 *
3 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
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 <asm/atomic.h>
31#include <asm/percpu.h>
32
33DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
34extern cpumask_t cpu_core_map[NR_CPUS];
35extern int sparc64_multi_core;
36
37/*
38 * General functions that each host system must provide.
39 */
40
41extern int hard_smp_processor_id(void);
42#define raw_smp_processor_id() (current_thread_info()->cpu)
43
44extern void smp_fill_in_sib_core_maps(void);
45extern void cpu_play_dead(void);
46
47#ifdef CONFIG_HOTPLUG_CPU
48extern int __cpu_disable(void);
49extern void __cpu_die(unsigned int cpu);
50#endif
51
52#endif /* !(__ASSEMBLY__) */
53
54#else
55
56#define hard_smp_processor_id() 0
57#define smp_fill_in_sib_core_maps() do { } while (0)
58
59#endif /* !(CONFIG_SMP) */
60
61#endif /* !(_SPARC64_SMP_H) */