1 files changed, 101 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/mppkt.h b/cpukit/score/include/rtems/score/mppkt.h
new file mode 100644
index 0000000000..2e98357afe
--- /dev/null
+++ b/cpukit/score/include/rtems/score/mppkt.h
@@ -0,0 +1,101 @@
+/*  mppkt.h
+ *
+ *  This package is the specification for the Packet Handler.
+ *  This handler defines the basic packet and provides
+ *  mechanisms to utilize packets based on this prefix.
+ *  Packets are the fundamental basis for messages passed between
+ *  nodes in an MP system.
+ *
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef __MP_PACKET_h
+#define __MP_PACKET_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/score/object.h>
+#include <rtems/score/priority.h>
+#include <rtems/score/watchdog.h>
+
+/*
+ *  The following enumerated type defines the packet classes.
+ *
+ *  NOTE:  In general, each class corresponds to a manager
+ *         which supports global operations.  Each manager
+ *         defines the set of supported operations.
+ */
+
+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
+
+/*
+ *  The following record contains the prefix for every packet
+ *  passed between nodes in an MP system.
+ *
+ *  NOTE: This structure is padded to insure that anything
+ *        following it is on a 16 byte boundary.  This is
+ *        the most stringent structure alignment rule
+ *        encountered yet (i960CA).
+ */
+
+typedef struct {
+  MP_packet_Classes       the_class;
+  Objects_Id              id;
+  Objects_Id              source_tid;
+  Priority_Control        source_priority;
+  unsigned32              return_code;
+  unsigned32              length;
+  unsigned32              to_convert;
+  Watchdog_Interval       timeout;
+}   MP_packet_Prefix;
+
+/*
+ *  An MPCI must support packets of at least this size.
+ */
+
+#define MP_PACKET_MINIMUM_PACKET_SIZE  64
+
+/*
+ *  The following constant defines the number of unsigned32's
+ *  in a packet which must be converted to native format in a
+ *  heterogeneous system.  In packets longer than
+ *  MP_PACKET_MINIMUN_HETERO_CONVERSION unsigned32's, some of the "extra" data
+ *  may a user message buffer which is not automatically endian swapped.
+ */
+
+#define MP_PACKET_MINIMUN_HETERO_CONVERSION  \
+  ( sizeof( MP_packet_Prefix ) / sizeof( unsigned32 ) )
+
+#ifndef __RTEMS_APPLICATION__
+#include <rtems/score/mppkt.inl>
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */