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1 | /** @file\r |
2 | Diagnostics Protocol implementation for the MMC DXE driver\r |
3 | \r |
4 | Copyright (c) 2011, ARM Limited. All rights reserved.\r |
5 | \r |
6 | This program and the accompanying materials \r |
7 | are licensed and made available under the terms and conditions of the BSD License \r |
8 | which accompanies this distribution. The full text of the license may be found at \r |
9 | http://opensource.org/licenses/bsd-license.php \r |
10 | \r |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
13 | \r |
14 | **/\r |
15 | \r |
16 | #include <Uefi.h>\r |
17 | #include <Library/DebugLib.h>\r |
18 | #include <Library/BaseMemoryLib.h>\r |
19 | #include <Library/MemoryAllocationLib.h>\r |
20 | \r |
21 | #include "Mmc.h"\r |
22 | \r |
23 | #define DIAGNOSTIC_LOGBUFFER_MAXCHAR 1024\r |
24 | \r |
25 | CHAR16* mLogBuffer = NULL;\r |
26 | UINTN mLogRemainChar = 0;\r |
27 | \r |
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28 | CHAR16*\r |
29 | DiagnosticInitLog (\r |
30 | UINTN MaxBufferChar\r |
31 | )\r |
32 | {\r |
33 | mLogRemainChar = MaxBufferChar;\r |
34 | mLogBuffer = AllocatePool ((UINTN)MaxBufferChar * sizeof(CHAR16));\r |
35 | return mLogBuffer;\r |
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36 | }\r |
37 | \r |
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38 | UINTN\r |
39 | DiagnosticLog (\r |
40 | CONST CHAR16* Str\r |
41 | )\r |
42 | {\r |
43 | UINTN len = StrLen (Str);\r |
44 | if (len <= mLogRemainChar) {\r |
45 | mLogRemainChar -= len;\r |
46 | StrCpy (mLogBuffer, Str);\r |
47 | mLogBuffer += len;\r |
48 | return len;\r |
49 | } else {\r |
50 | return 0;\r |
51 | }\r |
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52 | }\r |
53 | \r |
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54 | VOID\r |
55 | GenerateRandomBuffer (\r |
56 | VOID* Buffer,\r |
57 | UINTN BufferSize\r |
58 | )\r |
59 | {\r |
60 | UINT64 i;\r |
61 | UINT64* Buffer64 = (UINT64*)Buffer;\r |
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62 | \r |
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63 | for (i = 0; i < (BufferSize >> 3); i++) {\r |
64 | *Buffer64 = i | (~i << 32);\r |
65 | Buffer64++;\r |
66 | }\r |
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67 | }\r |
68 | \r |
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69 | BOOLEAN\r |
70 | CompareBuffer (\r |
71 | VOID *BufferA,\r |
72 | VOID *BufferB,\r |
73 | UINTN BufferSize\r |
74 | )\r |
75 | {\r |
76 | UINTN i;\r |
77 | UINT64* BufferA64 = (UINT64*)BufferA;\r |
78 | UINT64* BufferB64 = (UINT64*)BufferB;\r |
79 | \r |
80 | for (i = 0; i < (BufferSize >> 3); i++) {\r |
81 | if (*BufferA64 != *BufferB64) {\r |
82 | DEBUG((EFI_D_ERROR, "CompareBuffer: Error at %i", i));\r |
83 | DEBUG((EFI_D_ERROR, "(0x%lX) != (0x%lX)\n", *BufferA64, *BufferB64));\r |
84 | return FALSE;\r |
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85 | }\r |
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86 | BufferA64++;\r |
87 | BufferB64++;\r |
88 | }\r |
89 | return TRUE;\r |
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90 | }\r |
91 | \r |
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92 | EFI_STATUS\r |
93 | MmcReadWriteDataTest (\r |
94 | MMC_HOST_INSTANCE *MmcHostInstance,\r |
95 | EFI_LBA Lba,\r |
96 | UINTN BufferSize\r |
97 | )\r |
98 | {\r |
99 | VOID *BackBuffer;\r |
100 | VOID *WriteBuffer;\r |
101 | VOID *ReadBuffer;\r |
102 | EFI_STATUS Status;\r |
103 | \r |
104 | // Check if a Media is Present\r |
105 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
106 | DiagnosticLog (L"ERROR: No Media Present\n");\r |
107 | return EFI_NO_MEDIA;\r |
108 | }\r |
109 | \r |
110 | if (MmcHostInstance->State != MmcTransferState) {\r |
111 | DiagnosticLog (L"ERROR: Not ready for Transfer state\n");\r |
112 | return EFI_NOT_READY;\r |
113 | }\r |
114 | \r |
115 | BackBuffer = AllocatePool (BufferSize);\r |
116 | WriteBuffer = AllocatePool (BufferSize);\r |
117 | ReadBuffer = AllocatePool (BufferSize);\r |
118 | \r |
119 | // Read (and save) buffer at a specific location\r |
120 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r |
121 | if (Status != EFI_SUCCESS) {\r |
122 | DiagnosticLog (L"ERROR: Fail to Read Block (1)\n");\r |
123 | return Status;\r |
124 | }\r |
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125 | \r |
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126 | // Write buffer at the same location\r |
127 | GenerateRandomBuffer (WriteBuffer,BufferSize);\r |
128 | Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,WriteBuffer);\r |
129 | if (Status != EFI_SUCCESS) {\r |
130 | DiagnosticLog (L"ERROR: Fail to Write Block (1)\n");\r |
131 | return Status;\r |
132 | }\r |
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133 | \r |
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134 | // Read the buffer at the same location\r |
135 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r |
136 | if (Status != EFI_SUCCESS) {\r |
137 | DiagnosticLog (L"ERROR: Fail to Read Block (2)\n");\r |
138 | return Status;\r |
139 | }\r |
140 | \r |
141 | // Check that is conform\r |
142 | if (!CompareBuffer (ReadBuffer,WriteBuffer,BufferSize)) {\r |
143 | DiagnosticLog (L"ERROR: Fail to Read/Write Block (1)\n");\r |
144 | return EFI_INVALID_PARAMETER;\r |
145 | }\r |
146 | \r |
147 | // Restore content at the original location\r |
148 | Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r |
149 | if (Status != EFI_SUCCESS) {\r |
150 | DiagnosticLog (L"ERROR: Fail to Write Block (2)\n");\r |
151 | return Status;\r |
152 | }\r |
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153 | \r |
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154 | // Read the restored content\r |
155 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r |
156 | if (Status != EFI_SUCCESS) {\r |
157 | DiagnosticLog (L"ERROR: Fail to Read Block (3)\n");\r |
158 | return Status;\r |
159 | }\r |
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160 | \r |
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161 | // Check the content is correct\r |
162 | if (!CompareBuffer (ReadBuffer,BackBuffer,BufferSize)) {\r |
163 | DiagnosticLog (L"ERROR: Fail to Read/Write Block (2)\n");\r |
164 | return EFI_INVALID_PARAMETER;\r |
165 | }\r |
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166 | \r |
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167 | return EFI_SUCCESS;\r |
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168 | }\r |
169 | \r |
170 | EFI_STATUS\r |
171 | EFIAPI\r |
172 | MmcDriverDiagnosticsRunDiagnostics (\r |
173 | IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,\r |
174 | IN EFI_HANDLE ControllerHandle,\r |
175 | IN EFI_HANDLE ChildHandle OPTIONAL,\r |
176 | IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,\r |
177 | IN CHAR8 *Language,\r |
178 | OUT EFI_GUID **ErrorType,\r |
179 | OUT UINTN *BufferSize,\r |
180 | OUT CHAR16 **Buffer\r |
181 | )\r |
182 | {\r |
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183 | LIST_ENTRY *CurrentLink;\r |
184 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
185 | EFI_STATUS Status;\r |
186 | \r |
187 | if ((Language == NULL) ||\r |
188 | (ErrorType == NULL) ||\r |
189 | (Buffer == NULL) ||\r |
190 | (ControllerHandle == NULL) ||\r |
191 | (BufferSize == NULL)) {\r |
192 | return EFI_INVALID_PARAMETER;\r |
193 | }\r |
194 | \r |
195 | Status = EFI_SUCCESS;\r |
196 | *ErrorType = NULL;\r |
197 | *BufferSize = DIAGNOSTIC_LOGBUFFER_MAXCHAR;\r |
198 | *Buffer = DiagnosticInitLog (DIAGNOSTIC_LOGBUFFER_MAXCHAR);\r |
199 | \r |
200 | DiagnosticLog (L"MMC Driver Diagnostics\n");\r |
201 | \r |
202 | // For each MMC instance\r |
203 | CurrentLink = mMmcHostPool.ForwardLink;\r |
204 | while (CurrentLink != NULL && CurrentLink != &mMmcHostPool && (Status == EFI_SUCCESS)) {\r |
205 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);\r |
206 | ASSERT(MmcHostInstance != NULL);\r |
207 | \r |
208 | // LBA=1 Size=BlockSize\r |
209 | DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block\n");\r |
210 | Status = MmcReadWriteDataTest (MmcHostInstance, 1, MmcHostInstance->BlockIo.Media->BlockSize);\r |
211 | \r |
212 | // LBA=2 Size=BlockSize\r |
213 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Second Block\n");\r |
214 | Status = MmcReadWriteDataTest (MmcHostInstance, 2, MmcHostInstance->BlockIo.Media->BlockSize);\r |
215 | \r |
216 | // LBA=10 Size=BlockSize\r |
217 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Any Block\n");\r |
218 | Status = MmcReadWriteDataTest (MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock >> 1, MmcHostInstance->BlockIo.Media->BlockSize);\r |
219 | \r |
220 | // LBA=LastBlock Size=BlockSize\r |
221 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Last Block\n");\r |
222 | Status = MmcReadWriteDataTest (MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock, MmcHostInstance->BlockIo.Media->BlockSize);\r |
223 | \r |
224 | // LBA=1 Size=2*BlockSize\r |
225 | DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block / 2 BlockSSize\n");\r |
226 | Status = MmcReadWriteDataTest (MmcHostInstance, 1, 2*MmcHostInstance->BlockIo.Media->BlockSize);\r |
227 | \r |
228 | CurrentLink = CurrentLink->ForwardLink;\r |
229 | }\r |
230 | \r |
231 | return Status;\r |
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232 | }\r |
233 | \r |
234 | //\r |
235 | // EFI Driver Diagnostics 2 Protocol\r |
236 | //\r |
237 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2 = {\r |
238 | (EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) MmcDriverDiagnosticsRunDiagnostics,\r |
239 | "en"\r |
240 | };\r |