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1bfda055 | 1 | /** @file\r |
2 | Diagnostics Protocol implementation for the MMC DXE driver\r | |
3 | \r | |
5c5a34d4 | 4 | Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r |
1bfda055 | 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 | |
c8af31ec | 20 | #include <Library/BaseLib.h>\r |
1bfda055 | 21 | \r |
22 | #include "Mmc.h"\r | |
23 | \r | |
24 | #define DIAGNOSTIC_LOGBUFFER_MAXCHAR 1024\r | |
25 | \r | |
26 | CHAR16* mLogBuffer = NULL;\r | |
27 | UINTN mLogRemainChar = 0;\r | |
28 | \r | |
11c20f4e | 29 | CHAR16*\r |
30 | DiagnosticInitLog (\r | |
31 | UINTN MaxBufferChar\r | |
32 | )\r | |
33 | {\r | |
34 | mLogRemainChar = MaxBufferChar;\r | |
c8af31ec | 35 | mLogBuffer = AllocatePool ((UINTN)MaxBufferChar * sizeof (CHAR16));\r |
11c20f4e | 36 | return mLogBuffer;\r |
1bfda055 | 37 | }\r |
38 | \r | |
11c20f4e | 39 | UINTN\r |
40 | DiagnosticLog (\r | |
41 | CONST CHAR16* Str\r | |
42 | )\r | |
43 | {\r | |
44 | UINTN len = StrLen (Str);\r | |
45 | if (len <= mLogRemainChar) {\r | |
46 | mLogRemainChar -= len;\r | |
47 | StrCpy (mLogBuffer, Str);\r | |
48 | mLogBuffer += len;\r | |
49 | return len;\r | |
50 | } else {\r | |
51 | return 0;\r | |
52 | }\r | |
1bfda055 | 53 | }\r |
54 | \r | |
11c20f4e | 55 | VOID\r |
56 | GenerateRandomBuffer (\r | |
57 | VOID* Buffer,\r | |
58 | UINTN BufferSize\r | |
59 | )\r | |
60 | {\r | |
61 | UINT64 i;\r | |
62 | UINT64* Buffer64 = (UINT64*)Buffer;\r | |
1bfda055 | 63 | \r |
11c20f4e | 64 | for (i = 0; i < (BufferSize >> 3); i++) {\r |
65 | *Buffer64 = i | (~i << 32);\r | |
66 | Buffer64++;\r | |
67 | }\r | |
1bfda055 | 68 | }\r |
69 | \r | |
11c20f4e | 70 | BOOLEAN\r |
71 | CompareBuffer (\r | |
72 | VOID *BufferA,\r | |
73 | VOID *BufferB,\r | |
74 | UINTN BufferSize\r | |
75 | )\r | |
76 | {\r | |
77 | UINTN i;\r | |
78 | UINT64* BufferA64 = (UINT64*)BufferA;\r | |
79 | UINT64* BufferB64 = (UINT64*)BufferB;\r | |
80 | \r | |
81 | for (i = 0; i < (BufferSize >> 3); i++) {\r | |
82 | if (*BufferA64 != *BufferB64) {\r | |
c8af31ec OM |
83 | DEBUG ((EFI_D_ERROR, "CompareBuffer: Error at %i", i));\r |
84 | DEBUG ((EFI_D_ERROR, "(0x%lX) != (0x%lX)\n", *BufferA64, *BufferB64));\r | |
11c20f4e | 85 | return FALSE;\r |
1bfda055 | 86 | }\r |
11c20f4e | 87 | BufferA64++;\r |
88 | BufferB64++;\r | |
89 | }\r | |
90 | return TRUE;\r | |
1bfda055 | 91 | }\r |
92 | \r | |
11c20f4e | 93 | EFI_STATUS\r |
94 | MmcReadWriteDataTest (\r | |
95 | MMC_HOST_INSTANCE *MmcHostInstance,\r | |
96 | EFI_LBA Lba,\r | |
97 | UINTN BufferSize\r | |
98 | )\r | |
99 | {\r | |
100 | VOID *BackBuffer;\r | |
101 | VOID *WriteBuffer;\r | |
102 | VOID *ReadBuffer;\r | |
103 | EFI_STATUS Status;\r | |
104 | \r | |
105 | // Check if a Media is Present\r | |
106 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r | |
107 | DiagnosticLog (L"ERROR: No Media Present\n");\r | |
108 | return EFI_NO_MEDIA;\r | |
109 | }\r | |
110 | \r | |
111 | if (MmcHostInstance->State != MmcTransferState) {\r | |
112 | DiagnosticLog (L"ERROR: Not ready for Transfer state\n");\r | |
113 | return EFI_NOT_READY;\r | |
114 | }\r | |
115 | \r | |
116 | BackBuffer = AllocatePool (BufferSize);\r | |
117 | WriteBuffer = AllocatePool (BufferSize);\r | |
118 | ReadBuffer = AllocatePool (BufferSize);\r | |
119 | \r | |
120 | // Read (and save) buffer at a specific location\r | |
121 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r | |
122 | if (Status != EFI_SUCCESS) {\r | |
123 | DiagnosticLog (L"ERROR: Fail to Read Block (1)\n");\r | |
124 | return Status;\r | |
125 | }\r | |
1bfda055 | 126 | \r |
11c20f4e | 127 | // Write buffer at the same location\r |
128 | GenerateRandomBuffer (WriteBuffer,BufferSize);\r | |
129 | Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,WriteBuffer);\r | |
130 | if (Status != EFI_SUCCESS) {\r | |
131 | DiagnosticLog (L"ERROR: Fail to Write Block (1)\n");\r | |
132 | return Status;\r | |
133 | }\r | |
1bfda055 | 134 | \r |
11c20f4e | 135 | // Read the buffer at the same location\r |
136 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r | |
137 | if (Status != EFI_SUCCESS) {\r | |
138 | DiagnosticLog (L"ERROR: Fail to Read Block (2)\n");\r | |
139 | return Status;\r | |
140 | }\r | |
141 | \r | |
142 | // Check that is conform\r | |
143 | if (!CompareBuffer (ReadBuffer,WriteBuffer,BufferSize)) {\r | |
144 | DiagnosticLog (L"ERROR: Fail to Read/Write Block (1)\n");\r | |
145 | return EFI_INVALID_PARAMETER;\r | |
146 | }\r | |
147 | \r | |
148 | // Restore content at the original location\r | |
149 | Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r | |
150 | if (Status != EFI_SUCCESS) {\r | |
151 | DiagnosticLog (L"ERROR: Fail to Write Block (2)\n");\r | |
152 | return Status;\r | |
153 | }\r | |
1bfda055 | 154 | \r |
11c20f4e | 155 | // Read the restored content\r |
156 | Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r | |
157 | if (Status != EFI_SUCCESS) {\r | |
158 | DiagnosticLog (L"ERROR: Fail to Read Block (3)\n");\r | |
159 | return Status;\r | |
160 | }\r | |
1bfda055 | 161 | \r |
11c20f4e | 162 | // Check the content is correct\r |
163 | if (!CompareBuffer (ReadBuffer,BackBuffer,BufferSize)) {\r | |
164 | DiagnosticLog (L"ERROR: Fail to Read/Write Block (2)\n");\r | |
165 | return EFI_INVALID_PARAMETER;\r | |
166 | }\r | |
1bfda055 | 167 | \r |
11c20f4e | 168 | return EFI_SUCCESS;\r |
1bfda055 | 169 | }\r |
170 | \r | |
171 | EFI_STATUS\r | |
172 | EFIAPI\r | |
173 | MmcDriverDiagnosticsRunDiagnostics (\r | |
174 | IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,\r | |
175 | IN EFI_HANDLE ControllerHandle,\r | |
176 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
177 | IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,\r | |
178 | IN CHAR8 *Language,\r | |
179 | OUT EFI_GUID **ErrorType,\r | |
180 | OUT UINTN *BufferSize,\r | |
181 | OUT CHAR16 **Buffer\r | |
182 | )\r | |
183 | {\r | |
11c20f4e | 184 | LIST_ENTRY *CurrentLink;\r |
185 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
186 | EFI_STATUS Status;\r | |
187 | \r | |
188 | if ((Language == NULL) ||\r | |
189 | (ErrorType == NULL) ||\r | |
190 | (Buffer == NULL) ||\r | |
191 | (ControllerHandle == NULL) ||\r | |
192 | (BufferSize == NULL)) {\r | |
193 | return EFI_INVALID_PARAMETER;\r | |
194 | }\r | |
195 | \r | |
c8af31ec OM |
196 | // Check Language is supported (i.e. is "en-*" - only English is supported)\r |
197 | if (AsciiStrnCmp (Language, "en", 2) != 0) {\r | |
198 | return EFI_UNSUPPORTED;\r | |
199 | }\r | |
200 | \r | |
11c20f4e | 201 | Status = EFI_SUCCESS;\r |
202 | *ErrorType = NULL;\r | |
203 | *BufferSize = DIAGNOSTIC_LOGBUFFER_MAXCHAR;\r | |
204 | *Buffer = DiagnosticInitLog (DIAGNOSTIC_LOGBUFFER_MAXCHAR);\r | |
205 | \r | |
206 | DiagnosticLog (L"MMC Driver Diagnostics\n");\r | |
207 | \r | |
5c5a34d4 OM |
208 | // Find the MMC Host instance on which we have been asked to run diagnostics\r |
209 | MmcHostInstance = NULL;\r | |
11c20f4e | 210 | CurrentLink = mMmcHostPool.ForwardLink;\r |
211 | while (CurrentLink != NULL && CurrentLink != &mMmcHostPool && (Status == EFI_SUCCESS)) {\r | |
5c5a34d4 OM |
212 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);\r |
213 | ASSERT(MmcHostInstance != NULL);\r | |
214 | if (MmcHostInstance->MmcHandle == ControllerHandle) {\r | |
215 | break;\r | |
216 | }\r | |
217 | CurrentLink = CurrentLink->ForwardLink;\r | |
218 | }\r | |
11c20f4e | 219 | \r |
5c5a34d4 OM |
220 | // If we didn't find the controller, return EFI_UNSUPPORTED\r |
221 | if ((MmcHostInstance == NULL)\r | |
222 | || (MmcHostInstance->MmcHandle != ControllerHandle)) {\r | |
223 | return EFI_UNSUPPORTED;\r | |
224 | }\r | |
11c20f4e | 225 | \r |
5c5a34d4 OM |
226 | // LBA=1 Size=BlockSize\r |
227 | DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block\n");\r | |
228 | Status = MmcReadWriteDataTest (MmcHostInstance, 1, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
11c20f4e | 229 | \r |
5c5a34d4 OM |
230 | // LBA=2 Size=BlockSize\r |
231 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Second Block\n");\r | |
232 | Status = MmcReadWriteDataTest (MmcHostInstance, 2, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
11c20f4e | 233 | \r |
5c5a34d4 OM |
234 | // LBA=10 Size=BlockSize\r |
235 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Any Block\n");\r | |
236 | Status = MmcReadWriteDataTest (MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock >> 1, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
11c20f4e | 237 | \r |
5c5a34d4 OM |
238 | // LBA=LastBlock Size=BlockSize\r |
239 | DiagnosticLog (L"MMC Driver Diagnostics - Test: Last Block\n");\r | |
240 | Status = MmcReadWriteDataTest (MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
11c20f4e | 241 | \r |
5c5a34d4 OM |
242 | // LBA=1 Size=2*BlockSize\r |
243 | DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block / 2 BlockSSize\n");\r | |
244 | Status = MmcReadWriteDataTest (MmcHostInstance, 1, 2 * MmcHostInstance->BlockIo.Media->BlockSize);\r | |
11c20f4e | 245 | \r |
246 | return Status;\r | |
1bfda055 | 247 | }\r |
248 | \r | |
249 | //\r | |
250 | // EFI Driver Diagnostics 2 Protocol\r | |
251 | //\r | |
252 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2 = {\r | |
253 | (EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) MmcDriverDiagnosticsRunDiagnostics,\r | |
254 | "en"\r | |
255 | };\r |