scheduleredfsmp.h

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

 
/*
 * Copyright (C) 2017, 2018 embedded brains GmbH & Co. KG
 *
 * 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_SCORE_SCHEDULEREDFSMP_H
#define _RTEMS_SCORE_SCHEDULEREDFSMP_H
 
#include <rtems/score/scheduler.h>
#include <rtems/score/scheduleredf.h>
#include <rtems/score/schedulersmp.h>
 
#ifdef __cplusplus
extern "C" {
#endif

 
typedef struct {
  Scheduler_SMP_Node Base;

  int64_t generation;

  uint8_t ready_queue_index;

  uint8_t affinity_ready_queue_index;

  uint8_t pinning_ready_queue_index;
} Scheduler_EDF_SMP_Node;
 
typedef struct {
  Chain_Node Node;

  RBTree_Control Queue;

  Scheduler_EDF_SMP_Node *affine_scheduled;

  Scheduler_EDF_SMP_Node *allocated;
} Scheduler_EDF_SMP_Ready_queue;
 
typedef struct {
  Scheduler_SMP_Context Base;

  int64_t generations[ 2 ];

  Chain_Control Affine_queues;

  Scheduler_EDF_SMP_Ready_queue Ready[ RTEMS_ZERO_LENGTH_ARRAY ];
} Scheduler_EDF_SMP_Context;
 
#define SCHEDULER_EDF_SMP_ENTRY_POINTS \
  { \
    _Scheduler_EDF_SMP_Initialize, \
    NULL, \
    _Scheduler_EDF_SMP_Yield, \
    _Scheduler_EDF_SMP_Block, \
    _Scheduler_EDF_SMP_Unblock, \
    _Scheduler_EDF_SMP_Update_priority, \
    _Scheduler_EDF_Map_priority, \
    _Scheduler_EDF_Unmap_priority, \
    _Scheduler_EDF_SMP_Ask_for_help, \
    _Scheduler_EDF_SMP_Reconsider_help_request, \
    _Scheduler_EDF_SMP_Withdraw_node, \
    _Scheduler_EDF_SMP_Make_sticky, \
    _Scheduler_EDF_SMP_Clean_sticky, \
    _Scheduler_EDF_SMP_Pin, \
    _Scheduler_EDF_SMP_Unpin, \
    _Scheduler_EDF_SMP_Add_processor, \
    _Scheduler_EDF_SMP_Remove_processor, \
    _Scheduler_EDF_SMP_Node_initialize, \
    _Scheduler_default_Node_destroy, \
    _Scheduler_EDF_Release_job, \
    _Scheduler_EDF_Cancel_job, \
    _Scheduler_EDF_SMP_Start_idle, \
    _Scheduler_EDF_SMP_Set_affinity \
  }

void _Scheduler_EDF_SMP_Initialize( const Scheduler_Control *scheduler );

void _Scheduler_EDF_SMP_Node_initialize(
  const Scheduler_Control *scheduler,
  Scheduler_Node          *node,
  Thread_Control          *the_thread,
  Priority_Control         priority
);

void _Scheduler_EDF_SMP_Block(
  const Scheduler_Control *scheduler,
  Thread_Control          *thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Unblock(
  const Scheduler_Control *scheduler,
  Thread_Control          *thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Update_priority(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
);

bool _Scheduler_EDF_SMP_Ask_for_help(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Reconsider_help_request(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Withdraw_node(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node,
  Thread_Scheduler_state   next_state
);

void _Scheduler_EDF_SMP_Make_sticky(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Clean_sticky(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Pin(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node,
  struct Per_CPU_Control  *cpu
);

void _Scheduler_EDF_SMP_Unpin(
  const Scheduler_Control *scheduler,
  Thread_Control          *the_thread,
  Scheduler_Node          *node,
  struct Per_CPU_Control  *cpu
);

void _Scheduler_EDF_SMP_Add_processor(
  const Scheduler_Control *scheduler,
  Thread_Control          *idle
);

Thread_Control *_Scheduler_EDF_SMP_Remove_processor(
  const Scheduler_Control *scheduler,
  struct Per_CPU_Control  *cpu
);

void _Scheduler_EDF_SMP_Yield(
  const Scheduler_Control *scheduler,
  Thread_Control          *thread,
  Scheduler_Node          *node
);

void _Scheduler_EDF_SMP_Start_idle(
  const Scheduler_Control *scheduler,
  Thread_Control          *idle,
  struct Per_CPU_Control  *cpu
);

Status_Control _Scheduler_EDF_SMP_Set_affinity(
  const Scheduler_Control *scheduler,
  Thread_Control          *thread,
  Scheduler_Node          *node,
  const Processor_mask    *affinity
);

 
#ifdef __cplusplus
}
#endif
 
#endif /* _RTEMS_SCORE_SCHEDULEREDFSMP_H */