haiku/headers/private/kernel/smp.h

62 lines
1.4 KiB
C

/*
* Copyright 2002-2005, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*
* 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_INVALIDATE_PAGE_RANGE = 0,
SMP_MSG_INVALIDATE_PAGE_LIST,
SMP_MSG_USER_INVALIDATE_PAGES,
SMP_MSG_GLOBAL_INVALIDATE_PAGES,
SMP_MSG_RESCHEDULE,
SMP_MSG_CPU_HALT,
SMP_MSG_CALL_FUNCTION,
};
enum {
SMP_MSG_FLAG_ASYNC = 0x0,
SMP_MSG_FLAG_SYNC = 0x1,
SMP_MSG_FLAG_FREE_ARG = 0x2,
};
typedef void (*smp_call_func)(uint32 data1, int32 currentCPU, uint32 data2, uint32 data3);
#ifdef __cplusplus
extern "C" {
#endif
status_t smp_init(struct kernel_args *args);
status_t smp_per_cpu_init(struct kernel_args *args, int32 cpu);
bool smp_trap_non_boot_cpus(int32 cpu);
void smp_wake_up_non_boot_cpus(void);
void smp_wait_for_non_boot_cpus(void);
void smp_send_ici(int32 targetCPU, int32 message, uint32 data, uint32 data2, uint32 data3,
void *data_ptr, uint32 flags);
void smp_send_broadcast_ici(int32 message, uint32 data, uint32 data2, uint32 data3,
void *data_ptr, uint32 flags);
int32 smp_get_num_cpus(void);
void smp_set_num_cpus(int32 numCPUs);
int32 smp_get_current_cpu(void);
int smp_intercpu_int_handler(void);
#ifdef __cplusplus
}
#endif
#endif /* KERNEL_SMP_H */