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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [include/] [rtems/] [score/] [mppkt.h] - Blame information for rev 582

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/*  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) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id: mppkt.h,v 1.2 2001-09-27 11:59:32 chris Exp $
 */
 
#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 */

Line No.	Rev	Author	Line
1	30	unneback	`/* mppkt.h`
2			`*`
3			`* This package is the specification for the Packet Handler.`
4			`* This handler defines the basic packet and provides`
5			`* mechanisms to utilize packets based on this prefix.`
6			`* Packets are the fundamental basis for messages passed between`
7			`* nodes in an MP system.`
8			`*`
9			`*`
10			`* COPYRIGHT (c) 1989-1999.`
11			`* On-Line Applications Research Corporation (OAR).`
12			`*`
13			`* The license and distribution terms for this file may be`
14			`* found in the file LICENSE in this distribution or at`
15			`* http://www.OARcorp.com/rtems/license.html.`
16			`*`
17			`* $Id: mppkt.h,v 1.2 2001-09-27 11:59:32 chris Exp $`
18			`*/`
19
20			`#ifndef __MP_PACKET_h`
21			`#define __MP_PACKET_h`
22
23			`#ifdef __cplusplus`
24			`extern "C" {`
25			`#endif`
26
27			`#include <rtems/score/object.h>`
28			`#include <rtems/score/priority.h>`
29			`#include <rtems/score/watchdog.h>`
30
31			`/*`
32			`* The following enumerated type defines the packet classes.`
33			`*`
34			`* NOTE: In general, each class corresponds to a manager`
35			`* which supports global operations. Each manager`
36			`* defines the set of supported operations.`
37			`*/`
38
39			`typedef enum {`
40			`MP_PACKET_MPCI_INTERNAL = 0,`
41			`MP_PACKET_TASKS = 1,`
42			`MP_PACKET_MESSAGE_QUEUE = 2,`
43			`MP_PACKET_SEMAPHORE = 3,`
44			`MP_PACKET_PARTITION = 4,`
45			`MP_PACKET_REGION = 5,`
46			`MP_PACKET_EVENT = 6,`
47			`MP_PACKET_SIGNAL = 7`
48			`} MP_packet_Classes;`
49
50			`#define MP_PACKET_CLASSES_FIRST MP_PACKET_MPCI_INTERNAL`
51			`#define MP_PACKET_CLASSES_LAST MP_PACKET_SIGNAL`
52
53			`/*`
54			`* The following record contains the prefix for every packet`
55			`* passed between nodes in an MP system.`
56			`*`
57			`* NOTE: This structure is padded to insure that anything`
58			`* following it is on a 16 byte boundary. This is`
59			`* the most stringent structure alignment rule`
60			`* encountered yet (i960CA).`
61			`*/`
62
63			`typedef struct {`
64			`MP_packet_Classes the_class;`
65			`Objects_Id id;`
66			`Objects_Id source_tid;`
67			`Priority_Control source_priority;`
68			`unsigned32 return_code;`
69			`unsigned32 length;`
70			`unsigned32 to_convert;`
71			`Watchdog_Interval timeout;`
72			`} MP_packet_Prefix;`
73
74			`/*`
75			`* An MPCI must support packets of at least this size.`
76			`*/`
77
78			`#define MP_PACKET_MINIMUM_PACKET_SIZE 64`
79
80			`/*`
81			`* The following constant defines the number of unsigned32's`
82			`* in a packet which must be converted to native format in a`
83			`* heterogeneous system. In packets longer than`
84			`* MP_PACKET_MINIMUN_HETERO_CONVERSION unsigned32's, some of the "extra" data`
85			`* may a user message buffer which is not automatically endian swapped.`
86			`*/`
87
88			`#define MP_PACKET_MINIMUN_HETERO_CONVERSION \`
89			`( sizeof( MP_packet_Prefix ) / sizeof( unsigned32 ) )`
90
91			`#ifndef __RTEMS_APPLICATION__`
92			`#include <rtems/score/mppkt.inl>`
93			`#endif`
94
95			`#ifdef __cplusplus`
96			`}`
97			`#endif`
98
99			`#endif`
100			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [include/] [rtems/] [score/] [mppkt.h] - Blame information for rev 582