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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * include/asm-sh/smp.h
3 *
4 * Copyright (C) 2002, 2003 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive for
8 * more details.
9 */
10#ifndef __ASM_SH_SMP_H
11#define __ASM_SH_SMP_H
12
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/bitops.h>
14#include <linux/cpumask.h>
15
16#ifdef CONFIG_SMP
17
18#include <asm/spinlock.h>
19#include <asm/atomic.h>
20#include <asm/current.h>
21
22extern cpumask_t cpu_online_map;
23extern cpumask_t cpu_possible_map;
24
25#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
26
Ingo Molnar39c715b2005-06-21 17:14:34 -070027#define raw_smp_processor_id() (current_thread_info()->cpu)
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29/* I've no idea what the real meaning of this is */
30#define PROC_CHANGE_PENALTY 20
31
32#define NO_PROC_ID (-1)
33
34struct smp_fn_call_struct {
35 spinlock_t lock;
36 atomic_t finished;
37 void (*fn)(void *);
38 void *data;
39};
40
41extern struct smp_fn_call_struct smp_fn_call;
42
43#define SMP_MSG_RESCHEDULE 0x0001
44
45#endif /* CONFIG_SMP */
46
47#endif /* __ASM_SH_SMP_H */