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/**
* @file rtems/rtems/taskmp.h
*
* This include file contains all the constants and structures associated
* with the multiprocessing support in the task manager.
*/
/* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef _RTEMS_RTEMS_TASKMP_H
#define _RTEMS_RTEMS_TASKMP_H
#include <rtems/score/mppkt.h>
#include <rtems/score/object.h>
#include <rtems/rtems/options.h>
#include <rtems/score/priority.h>
#include <rtems/rtems/tasks.h>
#include <rtems/score/thread.h>
/**
* @defgroup ClassicTaskMP Task MP Support
*
* @ingroup ClassicMP
*
* This encapsulates functionality which XXX
*/
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* The following enumerated type defines the list of
* remote task operations.
*/
typedef enum {
RTEMS_TASKS_MP_ANNOUNCE_CREATE = 0,
RTEMS_TASKS_MP_ANNOUNCE_DELETE = 1,
RTEMS_TASKS_MP_SUSPEND_REQUEST = 2,
RTEMS_TASKS_MP_SUSPEND_RESPONSE = 3,
RTEMS_TASKS_MP_RESUME_REQUEST = 4,
RTEMS_TASKS_MP_RESUME_RESPONSE = 5,
RTEMS_TASKS_MP_SET_PRIORITY_REQUEST = 6,
RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE = 7,
RTEMS_TASKS_MP_GET_NOTE_REQUEST = 8,
RTEMS_TASKS_MP_GET_NOTE_RESPONSE = 9,
RTEMS_TASKS_MP_SET_NOTE_REQUEST = 10,
RTEMS_TASKS_MP_SET_NOTE_RESPONSE = 11
} RTEMS_tasks_MP_Remote_operations;
/**
* The following data structure defines the packet used to perform
* remote task operations.
*/
typedef struct {
rtems_packet_prefix Prefix;
RTEMS_tasks_MP_Remote_operations operation;
rtems_name name;
rtems_task_priority the_priority;
uint32_t notepad;
uint32_t note;
} RTEMS_tasks_MP_Packet;
/**
* @brief _RTEMS_tasks_MP_Send_process_packet
*
* This routine performs a remote procedure call so that a
* process operation can be performed on another node.
*/
void _RTEMS_tasks_MP_Send_process_packet (
RTEMS_tasks_MP_Remote_operations operation,
Objects_Id task_id,
rtems_name name
);
/**
* @brief _RTEMS_tasks_MP_Send_request_packet
*
* This routine performs a remote procedure call so that a
* directive operation can be initiated on another node.
*/
rtems_status_code _RTEMS_tasks_MP_Send_request_packet (
RTEMS_tasks_MP_Remote_operations operation,
Objects_Id task_id,
rtems_task_priority the_priority,
uint32_t notepad,
uint32_t note
);
/**
* @brief _RTEMS_tasks_MP_Send_response_packet
*
* This routine performs a remote procedure call so that a
* directive can be performed on another node.
*/
void _RTEMS_tasks_MP_Send_response_packet (
RTEMS_tasks_MP_Remote_operations operation,
Thread_Control *the_thread
);
/**
* @brief _RTEMS_tasks_MP_Process_packet
*
* This routine performs the actions specific to this package for
* the request from another node.
*/
void _RTEMS_tasks_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
);
/**
* @brief _RTEMS_tasks_MP_Send_object_was_deleted
*
* This routine is invoked indirectly by the thread queue
* when a proxy has been removed from the thread queue and
* the remote node must be informed of this.
*
* This routine is not needed by RTEMS_tasks since a task
* cannot be deleted when segments are in use.
*/
/*
* _RTEMS_tasks_MP_Send_extract_proxy
*
* This routine is invoked when a task is deleted and it
* has a proxy which must be removed from a thread queue and
* the remote node must be informed of this.
*
* This routine is not needed since there are no objects
* deleted by this manager.
*
*/
/**
* @brief _RTEMS_tasks_MP_Get_packet
*
* This function is used to obtain a task mp packet.
*/
RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void );
#ifdef __cplusplus
}
#endif
/**@}*/
#endif
/* end of file */
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