/**
* @file rtems/rtems/msgmp.h
*
* @brief Message Manager MP Support
*
* This include file contains all the constants and structures associated
* with the Multiprocessing Support in the Message Manager.
*/
/* COPYRIGHT (c) 1989-2013.
* 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.org/license/LICENSE.
*/
#ifndef _RTEMS_RTEMS_MSGMP_H
#define _RTEMS_RTEMS_MSGMP_H
#ifndef _RTEMS_RTEMS_MESSAGEIMPL_H
# error "Never use <rtems/rtems/msgmp.h> directly; include <rtems/rtems/messageimpl.h> instead."
#endif
#include <rtems/score/mpciimpl.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup ClassicMsgMP Message Queue MP Support
*
* @ingroup ClassicMP
*
* This encapsulates functionality related to the transparent multiprocessing
* support within the Classic API Message Queue Manager.
*/
/*{*/
/**
* The following enumerated type defines the list of
* remote message queue operations.
*/
typedef enum {
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE = 0,
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE = 1,
MESSAGE_QUEUE_MP_EXTRACT_PROXY = 2,
MESSAGE_QUEUE_MP_RECEIVE_REQUEST = 3,
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE = 4,
MESSAGE_QUEUE_MP_SEND_REQUEST = 5,
MESSAGE_QUEUE_MP_SEND_RESPONSE = 6,
MESSAGE_QUEUE_MP_URGENT_REQUEST = 7,
MESSAGE_QUEUE_MP_URGENT_RESPONSE = 8,
MESSAGE_QUEUE_MP_BROADCAST_REQUEST = 9,
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE = 10,
MESSAGE_QUEUE_MP_FLUSH_REQUEST = 11,
MESSAGE_QUEUE_MP_FLUSH_RESPONSE = 12,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST = 13,
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE = 14
} Message_queue_MP_Remote_operations;
/**
* The following data structure defines the packet used to perform
* remote message queue operations.
*/
typedef struct {
rtems_packet_prefix Prefix;
Message_queue_MP_Remote_operations operation;
rtems_name name;
rtems_option option_set;
Objects_Id proxy_id;
uint32_t count;
size_t size;
uint32_t pad0;
CORE_message_queue_Buffer Buffer;
} Message_queue_MP_Packet;
#define MESSAGE_QUEUE_MP_PACKET_SIZE \
offsetof(Message_queue_MP_Packet, Buffer.buffer)
/**
* @brief Message_queue_Core_message_queue_mp_support
*
* Input parameters:
* the_thread - the remote thread the message was submitted to
* id - id of the message queue
*
* Output parameters: NONE
*/
void _Message_queue_Core_message_queue_mp_support (
Thread_Control *the_thread,
rtems_id id
);
/**
* @brief _Message_queue_MP_Send_process_packet
*
* This routine performs a remote procedure call so that a
* process operation can be performed on another node.
*/
void _Message_queue_MP_Send_process_packet (
Message_queue_MP_Remote_operations operation,
Objects_Id message_queue_id,
rtems_name name,
Objects_Id proxy_id
);
/**
* @brief _Message_queue_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 _Message_queue_MP_Send_request_packet (
Message_queue_MP_Remote_operations operation,
Objects_Id message_queue_id,
const void *buffer,
size_t *size_p,
rtems_option option_set,
rtems_interval timeout
);
/**
* @brief _Message_queue_MP_Send_response_packet
*
* This routine performs a remote procedure call so that a
* directive can be performed on another node.
*/
void _Message_queue_MP_Send_response_packet (
Message_queue_MP_Remote_operations operation,
Objects_Id message_queue_id,
Thread_Control *the_thread
);
/**
*
* @brief _Message_queue_MP_Process_packet
*
* This routine performs the actions specific to this package for
* the request from another node.
*/
void _Message_queue_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
);
/**
* @brief _Message_queue_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.
*/
void _Message_queue_MP_Send_object_was_deleted (
Thread_Control *the_proxy
);
/**
* @brief _Message_queue_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.
*/
void _Message_queue_MP_Send_extract_proxy (
void *argument
);
/**
* @brief _Message_queue_MP_Get_packet
*
* This function is used to obtain a message queue mp packet.
*/
Message_queue_MP_Packet *_Message_queue_MP_Get_packet ( void );
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
/* end of file */
