mppkt.h

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/*
 *  COPYRIGHT (c) 1989-2011.
 *  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_SCORE_MPPKT_H
#define _RTEMS_SCORE_MPPKT_H

#include <rtems/score/object.h>
#include <rtems/score/priority.h>
#include <rtems/score/watchdog.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
  MP_PACKET_MPCI_INTERNAL    = 0,
  MP_PACKET_TASKS            = 1,
  MP_PACKET_MESSAGE_QUEUE    = 2,
  MP_PACKET_SEMAPHORE        = 3,
  MP_PACKET_PARTITION        = 4,
  MP_PACKET_REGION           = 5,
  MP_PACKET_EVENT            = 6,
  MP_PACKET_SIGNAL           = 7
}   MP_packet_Classes;

#define MP_PACKET_CLASSES_FIRST  MP_PACKET_MPCI_INTERNAL

#define MP_PACKET_CLASSES_LAST   MP_PACKET_SIGNAL

typedef struct {
  MP_packet_Classes       the_class;
  Objects_Id              id;
  Objects_Id              source_tid;
  Priority_Control        source_priority;
  uint32_t                return_code;
  uint32_t                length;
  uint32_t                to_convert;
  Watchdog_Interval       timeout;
}   MP_packet_Prefix;

#define MP_PACKET_MINIMUM_PACKET_SIZE  64

#define MP_PACKET_MINIMUN_HETERO_CONVERSION  \
  ( sizeof( MP_packet_Prefix ) / sizeof( uint32_t   ) )

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */