| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | |
| 13 | #include <linux/config.h> |
| 14 | #include <linux/bitops.h> |
| 15 | #include <linux/cpumask.h> |
| 16 | |
| 17 | #ifdef CONFIG_SMP |
| 18 | |
| 19 | #include <asm/spinlock.h> |
| 20 | #include <asm/atomic.h> |
| 21 | #include <asm/current.h> |
| 22 | |
| 23 | extern cpumask_t cpu_online_map; |
| 24 | extern cpumask_t cpu_possible_map; |
| 25 | |
| 26 | #define cpu_online(cpu) cpu_isset(cpu, cpu_online_map) |
| 27 | |
| 28 | #define smp_processor_id() (current_thread_info()->cpu) |
| 29 | |
| 30 | /* I've no idea what the real meaning of this is */ |
| 31 | #define PROC_CHANGE_PENALTY 20 |
| 32 | |
| 33 | #define NO_PROC_ID (-1) |
| 34 | |
| 35 | struct smp_fn_call_struct { |
| 36 | spinlock_t lock; |
| 37 | atomic_t finished; |
| 38 | void (*fn)(void *); |
| 39 | void *data; |
| 40 | }; |
| 41 | |
| 42 | extern struct smp_fn_call_struct smp_fn_call; |
| 43 | |
| 44 | #define SMP_MSG_RESCHEDULE 0x0001 |
| 45 | |
| 46 | #endif /* CONFIG_SMP */ |
| 47 | |
| 48 | #endif /* __ASM_SH_SMP_H */ |