1 /** @file
2
3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
4
5
6 This program and the accompanying materials are licensed and made available under
7
8 the terms and conditions of the BSD License that accompanies this distribution.
9
10 The full text of the license may be found at
11
12 http://opensource.org/licenses/bsd-license.php.
13
14
15
16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
17
18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19
20
21
22
23
24 Module Name:
25
26 MiscSubclassDriverEntryPoint.c
27
28 Abstract:
29
30 This driver parses the mMiscSubclassDataTable structure and reports
31 any generated data to the DataHub.
32
33
34 **/
35
36
37 #include "CommonHeader.h"
38 #include "MiscSubclassDriver.h"
39 #include <Protocol/HiiString.h>
SmbiosMiscGetString(IN EFI_STRING_ID StringId)40 #include <Guid/PlatformInfo.h>
41
42
43 EFI_HII_HANDLE mHiiHandle;
44 EFI_HII_STRING_PROTOCOL *mHiiString;
45 EFI_PLATFORM_INFO_HOB *mPlatformInfo=NULL;
46
47 EFI_STRING
48 EFIAPI
49 SmbiosMiscGetString (
50 IN EFI_STRING_ID StringId
51 ){
52
53 EFI_STATUS Status;
54 UINTN StringSize;
55 CHAR16 TempString;
56 EFI_STRING String;
57 String = NULL;
58
59 //
60 // Retrieve the size of the string in the string package for the BestLanguage
61 //
62 StringSize = 0;
63 Status = mHiiString->GetString (
64 mHiiString,
65 "en-US",
66 mHiiHandle,
67 StringId,
68 &TempString,
69 &StringSize,
70 NULL
71 );
72 //
73 // If GetString() returns EFI_SUCCESS for a zero size,
74 // then there are no supported languages registered for HiiHandle. If GetString()
75 // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present
76 // in the HII Database
77 //
78 if (Status != EFI_BUFFER_TOO_SMALL) {
79 goto Error;
80 }
81
82 //
83 // Allocate a buffer for the return string
84 //
85 String = AllocateZeroPool (StringSize);
86 if (String == NULL) {
87 goto Error;
88 }
89
90 //
91 // Retrieve the string from the string package
92 //
93 Status = mHiiString->GetString (
94 mHiiString,
95 "en-US",
96 mHiiHandle,
97 StringId,
98 String,
99 &StringSize,
100 NULL
101 );
102 if (EFI_ERROR (Status)) {
103 //
104 // Free the buffer and return NULL if the supported languages can not be retrieved.
105 //
106 FreePool (String);
107 String = NULL;
108 }
109 Error:
110
111 return String;
112 }
113
114 /**
115 Standard EFI driver point. This driver parses the mMiscSubclassDataTable
116 structure and reports any generated data to the DataHub.
117
MiscSubclassDriverEntryPoint(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)118 @param ImageHandle - Handle for the image of this driver
119 @param SystemTable - Pointer to the EFI System Table
120
121 @retval EFI_SUCCESS - The data was successfully reported to the Data Hub.
122 @retval EFI_DEVICE_ERROR - Can not locate any protocols
123
124 **/
125 EFI_STATUS
126 EFIAPI
127 MiscSubclassDriverEntryPoint (
128 IN EFI_HANDLE ImageHandle,
129 IN EFI_SYSTEM_TABLE *SystemTable
130 )
131 {
132 UINTN Index;
133 EFI_STATUS EfiStatus;
134 EFI_SMBIOS_PROTOCOL *Smbios;
135 EFI_PEI_HOB_POINTERS GuidHob;
136
137
138
139 GuidHob.Raw = GetHobList ();
140 if (GuidHob.Raw != NULL) {
141 if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) {
142 mPlatformInfo = GET_GUID_HOB_DATA (GuidHob.Guid);
143 }
144 }
145
146 DEBUG ((EFI_D_ERROR, "PlatformInfoHob->BoardId [0x%x]\n", mPlatformInfo->BoardId));
147
148 //
149 // Retrieve the pointer to the UEFI HII String Protocol
150 //
151 EfiStatus = gBS->LocateProtocol (
152 &gEfiHiiStringProtocolGuid,
153 NULL,
154 (VOID **) &mHiiString
155 );
156 ASSERT_EFI_ERROR (EfiStatus);
157
158 EfiStatus = gBS->LocateProtocol(
159 &gEfiSmbiosProtocolGuid,
160 NULL,
161 (VOID**)&Smbios
162 );
163
164 if (EFI_ERROR(EfiStatus)) {
165 DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
166 return EfiStatus;
167 }
168
169 mHiiHandle = HiiAddPackages (
170 &gEfiCallerIdGuid,
171 NULL,
172 MiscSubclassStrings,
173 NULL
174 );
175 ASSERT (mHiiHandle != NULL);
176
177 for (Index = 0; Index < mMiscSubclassDataTableEntries; ++Index) {
178 //
179 // If the entry have a function pointer, just log the data.
180 //
181 if (mMiscSubclassDataTable[Index].Function != NULL) {
182 EfiStatus = (*mMiscSubclassDataTable[Index].Function)(
183 mMiscSubclassDataTable[Index].RecordData,
184 Smbios
185 );
186
187 if (EFI_ERROR(EfiStatus)) {
188 DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus));
189 return EfiStatus;
190 }
191 }
192 }
193
194 return EfiStatus;
195 }
196
197