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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 (at) 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 
     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 
     42 static inline void plat_smp_setup(void)
     43 {
     44 	/* UP, nothing to do ...  */
     45 }
     46 
     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