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diff --git a/cpukit/include/rtems/score/schedulerstrongapa.h b/cpukit/include/rtems/score/schedulerstrongapa.h
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+++ b/cpukit/include/rtems/score/schedulerstrongapa.h
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+/**
+ * @file
+ *
+ * @ingroup ScoreSchedulerStrongAPA
+ *
+ * @brief Strong APA Scheduler API
+ */
+
+/*
+ * Copyright (c) 2013, 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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_SCORE_SCHEDULERSTRONGAPA_H
+#define _RTEMS_SCORE_SCHEDULERSTRONGAPA_H
+
+#include <rtems/score/scheduler.h>
+#include <rtems/score/schedulerpriority.h>
+#include <rtems/score/schedulersmp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup ScoreSchedulerStrongAPA Strong APA Scheduler
+ *
+ * @ingroup ScoreSchedulerSMP
+ *
+ * This is an implementation of the global fixed priority scheduler (G-FP).  It
+ * uses one ready chain per priority to ensure constant time insert operations.
+ * The scheduled chain uses linear insert operations and has at most processor
+ * count entries.  Since the processor and priority count are constants all
+ * scheduler operations complete in a bounded execution time.
+ *
+ * The the_thread preempt mode will be ignored.
+ *
+ * @{
+ */
+
+/**
+ * @brief Scheduler context specialization for Strong APA
+ * schedulers.
+ */
+typedef struct {
+  Scheduler_SMP_Context    Base;
+  Priority_bit_map_Control Bit_map;
+  Chain_Control            Ready[ RTEMS_ZERO_LENGTH_ARRAY ];
+} Scheduler_strong_APA_Context;
+
+/**
+ * @brief Scheduler node specialization for Strong APA
+ * schedulers.
+ */
+typedef struct {
+  /**
+   * @brief SMP scheduler node.
+   */
+  Scheduler_SMP_Node Base;
+
+  /**
+   * @brief The associated ready queue of this node.
+   */
+  Scheduler_priority_Ready_queue Ready_queue;
+} Scheduler_strong_APA_Node;
+
+/**
+ * @brief Entry points for the Strong APA Scheduler.
+ */
+#define SCHEDULER_STRONG_APA_ENTRY_POINTS \
+  { \
+    _Scheduler_strong_APA_Initialize, \
+    _Scheduler_default_Schedule, \
+    _Scheduler_strong_APA_Yield, \
+    _Scheduler_strong_APA_Block, \
+    _Scheduler_strong_APA_Unblock, \
+    _Scheduler_strong_APA_Update_priority, \
+    _Scheduler_default_Map_priority, \
+    _Scheduler_default_Unmap_priority, \
+    _Scheduler_strong_APA_Ask_for_help, \
+    _Scheduler_strong_APA_Reconsider_help_request, \
+    _Scheduler_strong_APA_Withdraw_node, \
+    _Scheduler_strong_APA_Add_processor, \
+    _Scheduler_strong_APA_Remove_processor, \
+    _Scheduler_strong_APA_Node_initialize, \
+    _Scheduler_default_Node_destroy, \
+    _Scheduler_default_Release_job, \
+    _Scheduler_default_Cancel_job, \
+    _Scheduler_default_Tick, \
+    _Scheduler_SMP_Start_idle \
+    SCHEDULER_OPERATION_DEFAULT_GET_SET_AFFINITY \
+  }
+
+void _Scheduler_strong_APA_Initialize( const Scheduler_Control *scheduler );
+
+void _Scheduler_strong_APA_Node_initialize(
+  const Scheduler_Control *scheduler,
+  Scheduler_Node          *node,
+  Thread_Control          *the_thread,
+  Priority_Control         priority
+);
+
+void _Scheduler_strong_APA_Block(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+void _Scheduler_strong_APA_Unblock(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+void _Scheduler_strong_APA_Update_priority(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+bool _Scheduler_strong_APA_Ask_for_help(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+void _Scheduler_strong_APA_Reconsider_help_request(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+void _Scheduler_strong_APA_Withdraw_node(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node,
+  Thread_Scheduler_state   next_state
+);
+
+void _Scheduler_strong_APA_Add_processor(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *idle
+);
+
+Thread_Control *_Scheduler_strong_APA_Remove_processor(
+  const Scheduler_Control *scheduler,
+  struct Per_CPU_Control  *cpu
+);
+
+void _Scheduler_strong_APA_Yield(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *the_thread,
+  Scheduler_Node          *node
+);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _RTEMS_SCORE_SCHEDULERSTRONGAPA_H */