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/* regionmp.h
*
* This include file contains all the constants and structures associated
* with the Multiprocessing Support in the Region Manager.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#ifndef __RTEMS_REGION_MP_h
#define __RTEMS_REGION_MP_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/mppkt.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/rtems/options.h>
#include <rtems/rtems/region.h>
/*
* The following enumerated type defines the list of
* remote region operations.
*/
typedef enum {
REGION_MP_ANNOUNCE_CREATE = 0,
REGION_MP_ANNOUNCE_DELETE = 1,
REGION_MP_EXTRACT_PROXY = 2,
REGION_MP_GET_SEGMENT_REQUEST = 3,
REGION_MP_GET_SEGMENT_RESPONSE = 4,
REGION_MP_RETURN_SEGMENT_REQUEST = 5,
REGION_MP_RETURN_SEGMENT_RESPONSE = 6
} Region_MP_Remote_operations;
/*
* The following data structure defines the packet used to perform
* remote region operations.
*/
typedef struct {
rtems_packet_prefix Prefix;
Region_MP_Remote_operations operation;
rtems_name name;
rtems_option option_set;
unsigned32 size;
Objects_Id proxy_id;
void *segment;
} Region_MP_Packet;
/*
* _Region_MP_Send_process_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* process operation can be performed on another node.
*/
void _Region_MP_Send_process_packet (
Region_MP_Remote_operations operation,
Objects_Id region_id,
rtems_name name,
Objects_Id proxy_id
);
/*
* _Region_MP_Send_request_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* directive operation can be initiated on another node.
*/
rtems_status_code _Region_MP_Send_request_packet (
Region_MP_Remote_operations operation,
Objects_Id region_id,
void *segment,
unsigned32 size,
rtems_option option_set,
rtems_interval timeout
);
/*
* _Region_MP_Send_response_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* directive can be performed on another node.
*/
void _Region_MP_Send_response_packet (
Region_MP_Remote_operations operation,
Objects_Id region_id,
Thread_Control *the_thread
);
/*
*
* _Region_MP_Process_packet
*
* DESCRIPTION:
*
* This routine performs the actions specific to this package for
* the request from another node.
*/
void _Region_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
);
/*
* _Region_MP_Send_object_was_deleted
*
* DESCRIPTION:
*
* 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 the Region since a region
* cannot be deleted when segments are in use.
*/
/*
* _Region_MP_Send_extract_proxy
*
* DESCRIPTION:
*
* 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.
*/
void _Region_MP_Send_extract_proxy (
Thread_Control *the_thread
);
/*
* _Region_MP_Get_packet
*
* DESCRIPTION:
*
* This function is used to obtain a region mp packet.
*/
Region_MP_Packet *_Region_MP_Get_packet ( void );
#ifdef __cplusplus
}
#endif
#endif
/* end of file */
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