/*
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef KERNEL_SMP_H
#define KERNEL_SMP_H


#include <KernelExport.h>

struct kernel_args;


// intercpu messages
enum {
	SMP_MSG_INVL_PAGE_RANGE = 0,
	SMP_MSG_INVL_PAGE_LIST,
	SMP_MSG_GLOBAL_INVL_PAGE,
	SMP_MSG_RESCHEDULE,
	SMP_MSG_CPU_HALT,
	SMP_MSG_1,
};

enum {
	SMP_MSG_FLAG_ASYNC = 0,
	SMP_MSG_FLAG_SYNC,
};

status_t smp_init(struct kernel_args *args);
status_t smp_per_cpu_init(struct kernel_args *args, int32 cpu);
int smp_trap_non_boot_cpus(struct kernel_args *ka, int cpu);
void smp_wake_up_all_non_boot_cpus(void);
void smp_wait_for_ap_cpus(struct kernel_args *ka);
void smp_send_ici(int target_cpu, int message, unsigned long data, unsigned long data2, unsigned long data3, void *data_ptr, int flags);
void smp_send_broadcast_ici(int message, unsigned long data, unsigned long data2, unsigned long data3, void *data_ptr, int flags);
int smp_enable_ici(void);
int smp_disable_ici(void);

int smp_get_num_cpus(void);
void smp_set_num_cpus(int num_cpus);
int smp_get_current_cpu(void);

int smp_intercpu_int_handler(void);

#endif	/* KERNEL_SMP_H */