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1 /*
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 
18 struct 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 
29 extern void register_smp_ops(struct plat_smp_ops *ops);
30 
plat_smp_setup(void)31 static 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 
40 struct plat_smp_ops;
41 
plat_smp_setup(void)42 static inline void plat_smp_setup(void)
43 {
44 	/* UP, nothing to do ...  */
45 }
46 
register_smp_ops(struct plat_smp_ops * ops)47 static inline void register_smp_ops(struct plat_smp_ops *ops)
48 {
49 }
50 
51 #endif /* !CONFIG_SMP */
52 
53 extern struct plat_smp_ops up_smp_ops;
54 extern struct plat_smp_ops cmp_smp_ops;
55 extern struct plat_smp_ops vsmp_smp_ops;
56 
57 #endif /* __ASM_SMP_OPS_H */
58