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gerrit-public.fairphone.software / kernel / msm-4.9 / a00de5d08b4bcd1e95d02667029406224bd0619b / . / include / asm-sparc64 / smp.h
blob: 1c1c5ea5cea5dea69e40cf4c4a96932f4d24d58b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
Jiri Slaby1977f032007-10-18 23:40:25 -0700[diff] [blame]29#include <linux/bitops.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]30#include <asm/atomic.h>
Mike Travisd5a74302007-10-16 01:24:05 -0700[diff] [blame]31#include <asm/percpu.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]32
Mike Travisd5a74302007-10-16 01:24:05 -0700[diff] [blame]33DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
David S. Millerf78eae22007-06-04 17:01:39 -0700[diff] [blame]34extern cpumask_t cpu_core_map[NR_CPUS];
David S. Millera2f9f6b2007-06-04 21:48:33 -0700[diff] [blame]35extern int sparc64_multi_core;
David S. Miller8935dce2006-03-08 16:09:19 -0800[diff] [blame]36
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]37/*
38 * General functions that each host system must provide.
39 */
40
David S. Miller92704a12006-02-26 23:27:19 -0800[diff] [blame]41extern int hard_smp_processor_id(void);
Ingo Molnar39c715b2005-06-21 17:14:34 -0700[diff] [blame]42#define raw_smp_processor_id() (current_thread_info()->cpu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]43
David S. Miller5cbc3072007-05-25 15:49:59 -0700[diff] [blame]44extern void smp_fill_in_sib_core_maps(void);
David S. Millere02044092007-07-16 03:49:40 -0700[diff] [blame]45extern void cpu_play_dead(void);
David S. Miller7abea922006-02-25 13:39:56 -0800[diff] [blame]46
David S. Miller4f0234f2007-07-13 16:03:42 -0700[diff] [blame]47#ifdef CONFIG_HOTPLUG_CPU
48extern int __cpu_disable(void);
49extern void __cpu_die(unsigned int cpu);
50#endif
51
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]52#endif /* !(__ASSEMBLY__) */
53
David S. Miller7abea922006-02-25 13:39:56 -0800[diff] [blame]54#else
55
Fernando Luis Vazquez Cao2f4dfe22007-05-09 02:33:25 -0700[diff] [blame]56#define hard_smp_processor_id() 0
David S. Miller5cbc3072007-05-25 15:49:59 -0700[diff] [blame]57#define smp_fill_in_sib_core_maps() do { } while (0)
David S. Miller7abea922006-02-25 13:39:56 -0800[diff] [blame]58
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]59#endif /* !(CONFIG_SMP) */
60
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]61#endif /* !(_SPARC64_SMP_H) */