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1da177e4 LT |
1 | /* |
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 | ||
1da177e4 LT |
13 | #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 | ||
22 | extern cpumask_t cpu_online_map; | |
23 | extern cpumask_t cpu_possible_map; | |
24 | ||
25 | #define cpu_online(cpu) cpu_isset(cpu, cpu_online_map) | |
26 | ||
39c715b7 | 27 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
1da177e4 LT |
28 | |
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 | ||
34 | struct smp_fn_call_struct { | |
35 | spinlock_t lock; | |
36 | atomic_t finished; | |
37 | void (*fn)(void *); | |
38 | void *data; | |
39 | }; | |
40 | ||
41 | extern 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 */ |