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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplClassicMessageMP
*
* @brief This header file provides the implementation interfaces of the
* @ref RTEMSImplClassicMessageMP.
*/
/* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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 RTEMSImplClassicMessageMP \
* Message Manager Multiprocessing (MP) Support
*
* @ingroup RTEMSImplClassicMessage
*
* @brief This group contains the implementation to support the Message Manager
* in multiprocessing (MP) configurations.
*
* @{
*/
/**
* 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;
uint32_t size;
uint32_t buffer[ RTEMS_ZERO_LENGTH_ARRAY ];
} Message_queue_MP_Packet;
#define MESSAGE_QUEUE_MP_PACKET_SIZE \
offsetof(Message_queue_MP_Packet, buffer)
static inline bool _Message_queue_MP_Is_remote( Objects_Id id )
{
return _Objects_MP_Is_remote( id, &_Message_queue_Information );
}
/**
* @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 Issues a remote rtems_message_queue_broadcast() request.
*/
rtems_status_code _Message_queue_MP_Broadcast(
rtems_id id,
const void *buffer,
size_t size,
uint32_t *count
);
/**
* @brief Issues a remote rtems_message_queue_flush() request.
*/
rtems_status_code _Message_queue_MP_Flush(
rtems_id id,
uint32_t *count
);
/**
* @brief Issues a remote rtems_message_queue_get_number_pending() request.
*/
rtems_status_code _Message_queue_MP_Get_number_pending(
rtems_id id,
uint32_t *count
);
/**
* @brief Issues a remote rtems_message_queue_receive() request.
*/
rtems_status_code _Message_queue_MP_Receive(
rtems_id id,
void *buffer,
size_t *size,
rtems_option option_set,
rtems_interval timeout
);
/**
* @brief Issues a remote rtems_message_queue_send() request.
*/
rtems_status_code _Message_queue_MP_Send(
rtems_id id,
const void *buffer,
size_t size
);
/**
* @brief Issues a remote rtems_message_queue_urgent() request.
*/
rtems_status_code _Message_queue_MP_Urgent(
rtems_id id,
const void *buffer,
size_t size
);
/**
* @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,
Objects_Id mp_id
);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
/* end of file */
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