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Ralf Baechle87353d82007-11-19 12:23:51 +00001/*
2 * This file is subject to the terms and conditions of the GNU General
3 * Public License. See the file "COPYING" in the main directory of this
4 * archive for more details.
5 *
6 * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com)
7 * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc.
8 * Copyright (C) 2000, 2001, 2002 Ralf Baechle
9 * Copyright (C) 2000, 2001 Broadcom Corporation
10 */
11#ifndef __ASM_SMP_OPS_H
12#define __ASM_SMP_OPS_H
13
14#ifdef CONFIG_SMP
15
16#include <linux/cpumask.h>
17
18struct plat_smp_ops {
19 void (*send_ipi_single)(int cpu, unsigned int action);
20 void (*send_ipi_mask)(cpumask_t mask, unsigned int action);
21 void (*init_secondary)(void);
22 void (*smp_finish)(void);
23 void (*cpus_done)(void);
24 void (*boot_secondary)(int cpu, struct task_struct *idle);
25 void (*smp_setup)(void);
26 void (*prepare_cpus)(unsigned int max_cpus);
27};
28
29extern void register_smp_ops(struct plat_smp_ops *ops);
30
31static inline void plat_smp_setup(void)
32{
33 extern struct plat_smp_ops *mp_ops; /* private */
34
35 mp_ops->smp_setup();
36}
37
38#else /* !CONFIG_SMP */
39
40struct plat_smp_ops;
41
42static inline void plat_smp_setup(void)
43{
44 /* UP, nothing to do ... */
45}
46
47static inline void register_smp_ops(struct plat_smp_ops *ops)
48{
49}
50
51#endif /* !CONFIG_SMP */
52
53extern struct plat_smp_ops up_smp_ops;
54extern struct plat_smp_ops vsmp_smp_ops;
55
56#endif /* __ASM_SMP_OPS_H */