/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSImplClassicTaskMP
 *
 * @brief This header file provides the implementation interfaces of the
 *   @ref RTEMSImplClassicTaskMP.
 */

/* 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_TASKMP_H
#define _RTEMS_RTEMS_TASKMP_H

#ifndef _RTEMS_RTEMS_TASKSIMPL_H
# error "Never use <rtems/rtems/taskmp.h> directly; include <rtems/rtems/tasksimpl.h> instead."
#endif

#include <rtems/score/mpciimpl.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @defgroup RTEMSImplClassicTaskMP \
 *   Task Manager Multiprocessing (MP) Support
 *
 * @ingroup RTEMSImplClassicTask
 *
 * @brief This group contains the implementation to support the Task Manager
 *   in multiprocessing (MP) configurations.
 *
 * @{
 */

/**
 *  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_Remote_operations;

/**
 *  @brief RTEMS Tasks MP Send Process Packet
 *
 *  Multiprocessing Support for the RTEMS Task Manager
 *
 *  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 Issues a remote rtems_task_set_priority() request.
 */
rtems_status_code _RTEMS_tasks_MP_Set_priority(
  rtems_id             id,
  rtems_task_priority  new_priority,
  rtems_task_priority *old_priority
);

/**
 * @brief Issues a remote rtems_task_suspend() request.
 */
rtems_status_code _RTEMS_tasks_MP_Suspend( rtems_id id );

/**
 * @brief Issues a remote rtems_task_resume() request.
 */
rtems_status_code _RTEMS_tasks_MP_Resume( rtems_id id );

/**
 *  @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.
 *
 */

#ifdef __cplusplus
}
#endif

/**@}*/

#endif
/* end of file */