1 mike  1.1 /*
 2           **==============================================================================
 3           **
 4           ** Open Management Infrastructure (OMI)
 5           **
 6           ** Copyright (c) Microsoft Corporation
 7           ** 
 8           ** Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 9           ** use this file except in compliance with the License. You may obtain a copy 
10           ** of the License at 
11           **
12           **     http://www.apache.org/licenses/LICENSE-2.0 
13           **
14           ** THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15           ** KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 
16           ** WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 
17           ** MERCHANTABLITY OR NON-INFRINGEMENT. 
18           **
19           ** See the Apache 2 License for the specific language governing permissions 
20           ** and limitations under the License.
21           **
22 mike  1.1 **==============================================================================
23           */
24           
25           #ifndef _omi_header_h
26           #define _omi_header_h
27           
28           #include "config.h"
29           #include <common.h>
30           #include <base/batch.h>
31           
32           BEGIN_EXTERNC
33           
34           /* 
35           **==============================================================================
36           ** 
37           ** Header:
38           **
39           **     All protocol messages start with this header. The size of this header
40           **     should be a multiple of 8 (to ensure that the body that follows is
41           **     aligned on an 8-byte boundary).
42           **
43 mike  1.1 **==============================================================================
44           */
45           
46           #define PROTOCOL_MAGIC 0xB1A87E2F
47           

48 mike  1.2 #define PROTOCOL_VERSION CONFIG_VERSION_MASK

49 mike  1.1 
50           #define PROTOCOL_HEADER_MAX_PAGES 64
51           
52           typedef struct _HeaderBase
53           {
54               /* Magic number (can be used to detect endianess of request) */
55               MI_Uint32 magic;
56           
57               /* Version number of protocol */
58               MI_Uint32 version;
59           
60               /* Type of message */
61               MI_Uint32 msgType;
62           
63               /* batch information 0-64 */
64               MI_Uint32 pageCount;
65           
66               void*     originalMessagePointer;
67               /*ATTN pointer has to be padded to 64 bit for 32/64 compatability */
68           
69               /* A correlation identifier borne by matching request and response */

70 krisbash 1.4     MI_Uint64 operationId;

71 mike     1.1 }
72              HeaderBase;
73              
74              typedef struct _Header
75              {
76                  HeaderBase  base;
77              
78                  /* folowed by */
79                  Header_BatchInfoItem     batchInfo[PROTOCOL_HEADER_MAX_PAGES]; 
80              }
81              Header;
82              
83              
84              
85              END_EXTERNC
86              
87              #endif /* _omi_header_h */