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[SPARC64]: Add SMT scheduling support for Niagara.
[people/ms/linux.git] / include / asm-sparc64 / smp.h
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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/config.h>
10#include <linux/threads.h>
11#include <asm/asi.h>
12#include <asm/starfire.h>
13#include <asm/spitfire.h>
14
15#ifndef __ASSEMBLY__
16
17#include <linux/cpumask.h>
18#include <linux/cache.h>
19
20#endif /* !(__ASSEMBLY__) */
21
22#ifdef CONFIG_SMP
23
24#ifndef __ASSEMBLY__
25
26/*
27 * Private routines/data
28 */
29
30#include <asm/bitops.h>
31#include <asm/atomic.h>
32
33extern cpumask_t phys_cpu_present_map;
34#define cpu_possible_map phys_cpu_present_map
35
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36extern cpumask_t cpu_sibling_map[NR_CPUS];
37
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38/*
39 * General functions that each host system must provide.
40 */
41
92704a1c 42extern int hard_smp_processor_id(void);
39c715b7 43#define raw_smp_processor_id() (current_thread_info()->cpu)
1da177e4 44
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45extern void smp_setup_cpu_possible_map(void);
46
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47#endif /* !(__ASSEMBLY__) */
48
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49#else
50
51#define smp_setup_cpu_possible_map() do { } while (0)
52
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53#endif /* !(CONFIG_SMP) */
54
55#define NO_PROC_ID 0xFF
56
57#endif /* !(_SPARC64_SMP_H) */