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1 /** @file
2   Internal include file for Status Code Handler Driver.
3 
4   Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
5   This program and the accompanying materials
6   are licensed and made available under the terms and conditions of the BSD License
7   which accompanies this distribution.  The full text of the license may be found at
8   http://opensource.org/licenses/bsd-license.php
9 
10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #ifndef __STATUS_CODE_HANDLER_RUNTIME_DXE_H__
16 #define __STATUS_CODE_HANDLER_RUNTIME_DXE_H__
17 
18 #include <Protocol/ReportStatusCodeHandler.h>
19 
20 #include <Guid/MemoryStatusCodeRecord.h>
21 #include <Guid/StatusCodeDataTypeId.h>
22 #include <Guid/StatusCodeDataTypeDebug.h>
23 #include <Guid/EventGroup.h>
24 
25 #include <Library/SynchronizationLib.h>
26 #include <Library/BaseMemoryLib.h>
27 #include <Library/DebugLib.h>
28 #include <Library/ReportStatusCodeLib.h>
29 #include <Library/PrintLib.h>
30 #include <Library/PcdLib.h>
31 #include <Library/HobLib.h>
32 #include <Library/UefiDriverEntryPoint.h>
33 #include <Library/UefiBootServicesTableLib.h>
34 #include <Library/MemoryAllocationLib.h>
35 #include <Library/UefiRuntimeLib.h>
36 #include <Library/SerialPortLib.h>
37 
38 //
39 // Define the maximum message length
40 //
41 #define MAX_DEBUG_MESSAGE_LENGTH 0x100
42 
43 //
44 // Runtime memory status code worker definition
45 //
46 typedef struct {
47   UINT32   RecordIndex;
48   UINT32   NumberOfRecords;
49   UINT32   MaxRecordsNumber;
50 } RUNTIME_MEMORY_STATUSCODE_HEADER;
51 
52 extern RUNTIME_MEMORY_STATUSCODE_HEADER  *mRtMemoryStatusCodeTable;
53 
54 /**
55   Locates Serial I/O Protocol as initialization for serial status code worker.
56 
57   @retval EFI_SUCCESS  Serial I/O Protocol is successfully located.
58 
59 **/
60 EFI_STATUS
61 EfiSerialStatusCodeInitializeWorker (
62   VOID
63   );
64 
65 
66 /**
67   Convert status code value and extended data to readable ASCII string, send string to serial I/O device.
68 
69   @param  CodeType         Indicates the type of status code being reported.
70   @param  Value            Describes the current status of a hardware or software entity.
71                            This included information about the class and subclass that is used to
72                            classify the entity as well as an operation.
73   @param  Instance         The enumeration of a hardware or software entity within
74                            the system. Valid instance numbers start with 1.
75   @param  CallerId         This optional parameter may be used to identify the caller.
76                            This parameter allows the status code driver to apply different rules to
77                            different callers.
78   @param  Data             This optional parameter may be used to pass additional data.
79 
80   @retval EFI_SUCCESS      Status code reported to serial I/O successfully.
81   @retval EFI_DEVICE_ERROR EFI serial device cannot work after ExitBootService() is called.
82   @retval EFI_DEVICE_ERROR EFI serial device cannot work with TPL higher than TPL_CALLBACK.
83 
84 **/
85 EFI_STATUS
86 EFIAPI
87 SerialStatusCodeReportWorker (
88   IN EFI_STATUS_CODE_TYPE     CodeType,
89   IN EFI_STATUS_CODE_VALUE    Value,
90   IN UINT32                   Instance,
91   IN EFI_GUID                 *CallerId,
92   IN EFI_STATUS_CODE_DATA     *Data OPTIONAL
93   );
94 
95 /**
96   Initialize runtime memory status code table as initialization for runtime memory status code worker
97 
98   @retval EFI_SUCCESS  Runtime memory status code table successfully initialized.
99 
100 **/
101 EFI_STATUS
102 RtMemoryStatusCodeInitializeWorker (
103   VOID
104   );
105 
106 /**
107   Report status code into runtime memory. If the runtime pool is full, roll back to the
108   first record and overwrite it.
109 
110   @param  CodeType                Indicates the type of status code being reported.
111   @param  Value                   Describes the current status of a hardware or software entity.
112                                   This included information about the class and subclass that is used to
113                                   classify the entity as well as an operation.
114   @param  Instance                The enumeration of a hardware or software entity within
115                                   the system. Valid instance numbers start with 1.
116   @param  CallerId                This optional parameter may be used to identify the caller.
117                                   This parameter allows the status code driver to apply different rules to
118                                   different callers.
119   @param  Data                    This optional parameter may be used to pass additional data.
120 
121   @retval EFI_SUCCESS             Status code successfully recorded in runtime memory status code table.
122 
123 **/
124 EFI_STATUS
125 EFIAPI
126 RtMemoryStatusCodeReportWorker (
127   IN EFI_STATUS_CODE_TYPE               CodeType,
128   IN EFI_STATUS_CODE_VALUE              Value,
129   IN UINT32                             Instance,
130   IN EFI_GUID                           *CallerId,
131   IN EFI_STATUS_CODE_DATA               *Data OPTIONAL
132   );
133 
134 #endif
135