forked from Imagelibrary/rtems
168 lines
4.1 KiB
C
168 lines
4.1 KiB
C
/* taskmp.h
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*
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* This include file contains all the constants and structures associated
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* with the multiprocessing support in the task manager.
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*
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* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
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* On-Line Applications Research Corporation (OAR).
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* All rights assigned to U.S. Government, 1994.
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*
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* This material may be reproduced by or for the U.S. Government pursuant
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* to the copyright license under the clause at DFARS 252.227-7013. This
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* notice must appear in all copies of this file and its derivatives.
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*
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* $Id$
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*/
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#ifndef __RTEMS_RTEMS_TASKS_MP_h
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#define __RTEMS_RTEMS_TASKS_MP_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rtems/mppkt.h>
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#include <rtems/object.h>
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#include <rtems/options.h>
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#include <rtems/priority.h>
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#include <rtems/tasks.h>
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#include <rtems/thread.h>
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/*
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* The following enumerated type defines the list of
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* remote task operations.
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*/
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typedef enum {
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RTEMS_TASKS_MP_ANNOUNCE_CREATE = 0,
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RTEMS_TASKS_MP_ANNOUNCE_DELETE = 1,
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RTEMS_TASKS_MP_SUSPEND_REQUEST = 2,
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RTEMS_TASKS_MP_SUSPEND_RESPONSE = 3,
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RTEMS_TASKS_MP_RESUME_REQUEST = 4,
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RTEMS_TASKS_MP_RESUME_RESPONSE = 5,
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RTEMS_TASKS_MP_SET_PRIORITY_REQUEST = 6,
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RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE = 7,
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RTEMS_TASKS_MP_GET_NOTE_REQUEST = 8,
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RTEMS_TASKS_MP_GET_NOTE_RESPONSE = 9,
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RTEMS_TASKS_MP_SET_NOTE_REQUEST = 10,
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RTEMS_TASKS_MP_SET_NOTE_RESPONSE = 11
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} RTEMS_tasks_MP_Remote_operations;
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/*
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* The following data structure defines the packet used to perform
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* remote task operations.
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*/
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typedef struct {
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rtems_packet_prefix Prefix;
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RTEMS_tasks_MP_Remote_operations operation;
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Objects_Name name;
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rtems_task_priority the_priority;
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unsigned32 notepad;
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unsigned32 note;
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} RTEMS_tasks_MP_Packet;
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/*
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* _RTEMS_tasks_MP_Send_process_packet
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*
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* DESCRIPTION:
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*
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* This routine performs a remote procedure call so that a
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* process operation can be performed on another node.
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*/
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void _RTEMS_tasks_MP_Send_process_packet (
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RTEMS_tasks_MP_Remote_operations operation,
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Objects_Id task_id,
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Objects_Name name
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);
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/*
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* _RTEMS_tasks_MP_Send_request_packet
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*
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* DESCRIPTION:
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*
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* This routine performs a remote procedure call so that a
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* directive operation can be initiated on another node.
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*/
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rtems_status_code _RTEMS_tasks_MP_Send_request_packet (
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RTEMS_tasks_MP_Remote_operations operation,
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Objects_Id task_id,
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rtems_task_priority the_priority,
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unsigned32 notepad,
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unsigned32 note
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);
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/*
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* _RTEMS_tasks_MP_Send_response_packet
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*
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* DESCRIPTION:
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*
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* This routine performs a remote procedure call so that a
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* directive can be performed on another node.
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*/
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void _RTEMS_tasks_MP_Send_response_packet (
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RTEMS_tasks_MP_Remote_operations operation,
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Thread_Control *the_thread
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);
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/*
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*
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* _RTEMS_tasks_MP_Process_packet
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*
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* DESCRIPTION:
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*
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* This routine performs the actions specific to this package for
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* the request from another node.
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*/
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void _RTEMS_tasks_MP_Process_packet (
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rtems_packet_prefix *the_packet_prefix
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);
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/*
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* _RTEMS_tasks_MP_Send_object_was_deleted
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*
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* DESCRIPTION:
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*
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* This routine is invoked indirectly by the thread queue
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* when a proxy has been removed from the thread queue and
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* the remote node must be informed of this.
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*
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* This routine is not needed by RTEMS_tasks since a task
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* cannot be deleted when segments are in use.
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*/
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/*
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* _RTEMS_tasks_MP_Send_extract_proxy
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*
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* DESCRIPTION:
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*
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* This routine is invoked when a task is deleted and it
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* has a proxy which must be removed from a thread queue and
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* the remote node must be informed of this.
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*
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* This routine is not needed since there are no objects
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* deleted by this manager.
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*
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*/
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/*
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* _RTEMS_tasks_MP_Get_packet
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*
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* DESCRIPTION:
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*
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* This function is used to obtain a task mp packet.
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*/
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RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void );
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of file */
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