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 18struct task_struct; 19 20struct plat_smp_ops { 21 void (*send_ipi_single)(int cpu, unsigned int action); 22 void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action); 23 void (*init_secondary)(void); 24 void (*smp_finish)(void); 25 void (*cpus_done)(void); 26 void (*boot_secondary)(int cpu, struct task_struct *idle); 27 void (*smp_setup)(void); 28 void (*prepare_cpus)(unsigned int max_cpus); 29#ifdef CONFIG_HOTPLUG_CPU 30 int (*cpu_disable)(void); 31 void (*cpu_die)(unsigned int cpu); 32#endif 33}; 34 35extern void register_smp_ops(struct plat_smp_ops *ops); 36 37static inline void plat_smp_setup(void) 38{ 39 extern struct plat_smp_ops *mp_ops; /* private */ 40 41 mp_ops->smp_setup(); 42} 43 44#else /* !CONFIG_SMP */ 45 46struct plat_smp_ops; 47 48static inline void plat_smp_setup(void) 49{ 50 /* UP, nothing to do ... */ 51} 52 53static inline void register_smp_ops(struct plat_smp_ops *ops) 54{ 55} 56 57#endif /* !CONFIG_SMP */ 58 59extern struct plat_smp_ops up_smp_ops; 60extern struct plat_smp_ops cmp_smp_ops; 61extern struct plat_smp_ops vsmp_smp_ops; 62 63#endif /* __ASM_SMP_OPS_H */ 64