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ad1a1798 | 1 | /** @file\r |
a8cbf345 | 2 | Data Hub status code worker.\r |
ad1a1798 | 3 | \r |
a8cbf345 | 4 | Copyright (c) 2006 - 2009, Intel Corporation\r |
ad1a1798 | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
ad1a1798 | 13 | **/\r |
ad1a1798 | 14 | \r |
20e7a774 | 15 | #include "StatusCodeRuntimeDxe.h"\r |
ad1a1798 | 16 | \r |
17 | //\r | |
18 | // Initialize FIFO to cache records.\r | |
19 | //\r | |
ad1a1798 | 20 | LIST_ENTRY mRecordsFifo = INITIALIZE_LIST_HEAD_VARIABLE (mRecordsFifo);\r |
ad1a1798 | 21 | LIST_ENTRY mRecordsBuffer = INITIALIZE_LIST_HEAD_VARIABLE (mRecordsBuffer);\r |
df809f3d | 22 | UINT32 mLogDataHubStatus = 0;\r |
ad1a1798 | 23 | EFI_EVENT mLogDataHubEvent;\r |
24 | //\r | |
25 | // Cache data hub protocol.\r | |
26 | //\r | |
ad1a1798 | 27 | EFI_DATA_HUB_PROTOCOL *mDataHubProtocol;\r |
28 | \r | |
29 | \r | |
30 | /**\r | |
a8cbf345 | 31 | Retrieve one record of from free record buffer. This record is removed from\r |
32 | free record buffer.\r | |
ad1a1798 | 33 | \r |
a8cbf345 | 34 | This function retrieves one record from free record buffer.\r |
35 | If the pool has been exhausted, then new memory would be allocated for it.\r | |
ad1a1798 | 36 | \r |
a8cbf345 | 37 | @return Pointer to the free record.\r |
38 | NULL means failure to allocate new memeory for free record buffer.\r | |
ad1a1798 | 39 | \r |
40 | **/\r | |
6f2b45bb | 41 | DATA_HUB_STATUS_CODE_DATA_RECORD *\r |
ad1a1798 | 42 | AcquireRecordBuffer (\r |
43 | VOID\r | |
44 | )\r | |
45 | {\r | |
46 | DATAHUB_STATUSCODE_RECORD *Record;\r | |
47 | EFI_TPL CurrentTpl;\r | |
48 | LIST_ENTRY *Node;\r | |
49 | UINT32 Index;\r | |
50 | \r | |
51 | CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
52 | \r | |
53 | if (!IsListEmpty (&mRecordsBuffer)) {\r | |
a8cbf345 | 54 | //\r |
55 | // Strip one entry from free record buffer.\r | |
56 | //\r | |
ad1a1798 | 57 | Node = GetFirstNode (&mRecordsBuffer);\r |
58 | RemoveEntryList (Node);\r | |
59 | \r | |
2d78cc81 | 60 | Record = BASE_CR (Node, DATAHUB_STATUSCODE_RECORD, Node);\r |
ad1a1798 | 61 | } else {\r |
62 | if (CurrentTpl > TPL_NOTIFY) {\r | |
df809f3d | 63 | //\r |
64 | // Memory management should work at <=TPL_NOTIFY\r | |
65 | // \r | |
ad1a1798 | 66 | gBS->RestoreTPL (CurrentTpl);\r |
67 | return NULL;\r | |
68 | }\r | |
69 | \r | |
a8cbf345 | 70 | //\r |
71 | // If free record buffer is exhausted, then allocate 16 new records for it.\r | |
72 | //\r | |
ad1a1798 | 73 | gBS->RestoreTPL (CurrentTpl);\r |
74 | Record = (DATAHUB_STATUSCODE_RECORD *) AllocateZeroPool (sizeof (DATAHUB_STATUSCODE_RECORD) * 16);\r | |
a8cbf345 | 75 | if (Record == NULL) {\r |
ad1a1798 | 76 | return NULL;\r |
77 | }\r | |
78 | \r | |
79 | CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
a8cbf345 | 80 | //\r |
81 | // Here we only insert 15 new records to the free record buffer, for the first record\r | |
82 | // will be returned immediately.\r | |
83 | //\r | |
ad1a1798 | 84 | for (Index = 1; Index < 16; Index++) {\r |
85 | InsertTailList (&mRecordsBuffer, &Record[Index].Node);\r | |
86 | }\r | |
87 | }\r | |
88 | \r | |
89 | Record->Signature = DATAHUB_STATUS_CODE_SIGNATURE;\r | |
90 | InsertTailList (&mRecordsFifo, &Record->Node);\r | |
91 | \r | |
92 | gBS->RestoreTPL (CurrentTpl);\r | |
93 | \r | |
6f2b45bb | 94 | return (DATA_HUB_STATUS_CODE_DATA_RECORD *) (Record->Data);\r |
ad1a1798 | 95 | }\r |
96 | \r | |
97 | \r | |
98 | /**\r | |
a8cbf345 | 99 | Retrieve one record from Records FIFO. The record would be removed from FIFO.\r |
ad1a1798 | 100 | \r |
a8cbf345 | 101 | @return Point to record, which is ready to be logged.\r |
102 | NULL means the FIFO of record is empty.\r | |
ad1a1798 | 103 | \r |
104 | **/\r | |
6f2b45bb | 105 | DATA_HUB_STATUS_CODE_DATA_RECORD *\r |
ad1a1798 | 106 | RetrieveRecord (\r |
107 | VOID\r | |
108 | )\r | |
109 | {\r | |
a8cbf345 | 110 | DATA_HUB_STATUS_CODE_DATA_RECORD *RecordData;\r |
6f2b45bb | 111 | DATAHUB_STATUSCODE_RECORD *Record;\r |
112 | LIST_ENTRY *Node;\r | |
113 | EFI_TPL CurrentTpl;\r | |
ad1a1798 | 114 | \r |
a8cbf345 | 115 | RecordData = NULL;\r |
116 | \r | |
ad1a1798 | 117 | CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r |
118 | \r | |
119 | if (!IsListEmpty (&mRecordsFifo)) {\r | |
120 | Node = GetFirstNode (&mRecordsFifo);\r | |
121 | Record = CR (Node, DATAHUB_STATUSCODE_RECORD, Node, DATAHUB_STATUS_CODE_SIGNATURE);\r | |
a8cbf345 | 122 | ASSERT (Record != NULL);\r |
ad1a1798 | 123 | \r |
124 | RemoveEntryList (&Record->Node);\r | |
6f2b45bb | 125 | RecordData = (DATA_HUB_STATUS_CODE_DATA_RECORD *) Record->Data;\r |
ad1a1798 | 126 | }\r |
127 | \r | |
128 | gBS->RestoreTPL (CurrentTpl);\r | |
129 | \r | |
6f2b45bb | 130 | return RecordData;\r |
ad1a1798 | 131 | }\r |
132 | \r | |
df809f3d | 133 | /**\r |
a8cbf345 | 134 | Release given record and return it to free record buffer.\r |
df809f3d | 135 | \r |
a8cbf345 | 136 | @param RecordData Pointer to the record to release.\r |
df809f3d | 137 | \r |
138 | **/\r | |
df809f3d | 139 | VOID\r |
140 | ReleaseRecord (\r | |
141 | DATA_HUB_STATUS_CODE_DATA_RECORD *RecordData\r | |
142 | )\r | |
143 | {\r | |
144 | DATAHUB_STATUSCODE_RECORD *Record;\r | |
145 | EFI_TPL CurrentTpl;\r | |
146 | \r | |
147 | Record = CR (RecordData, DATAHUB_STATUSCODE_RECORD, Data[0], DATAHUB_STATUS_CODE_SIGNATURE);\r | |
a8cbf345 | 148 | ASSERT (Record != NULL);\r |
df809f3d | 149 | \r |
150 | CurrentTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
151 | \r | |
152 | InsertTailList (&mRecordsBuffer, &Record->Node);\r | |
153 | Record->Signature = 0;\r | |
154 | \r | |
155 | gBS->RestoreTPL (CurrentTpl);\r | |
156 | }\r | |
157 | \r | |
ad1a1798 | 158 | /**\r |
159 | Report status code into DataHub.\r | |
160 | \r | |
a8cbf345 | 161 | @param CodeType Indicates the type of status code being reported.\r |
162 | @param Value Describes the current status of a hardware or software entity.\r | |
163 | This included information about the class and subclass that is used to\r | |
164 | classify the entity as well as an operation.\r | |
165 | @param Instance The enumeration of a hardware or software entity within\r | |
166 | the system. Valid instance numbers start with 1.\r | |
167 | @param CallerId This optional parameter may be used to identify the caller.\r | |
168 | This parameter allows the status code driver to apply different rules to\r | |
169 | different callers.\r | |
170 | @param Data This optional parameter may be used to pass additional data.\r | |
171 | \r | |
172 | @retval EFI_SUCCESS The function completed successfully.\r | |
173 | @retval EFI_DEVICE_ERROR Function is reentered.\r | |
174 | @retval EFI_DEVICE_ERROR Function is called at runtime.\r | |
175 | @retval EFI_OUT_OF_RESOURCES Fail to allocate memory for free record buffer.\r | |
ad1a1798 | 176 | \r |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | DataHubStatusCodeReportWorker (\r | |
180 | IN EFI_STATUS_CODE_TYPE CodeType,\r | |
181 | IN EFI_STATUS_CODE_VALUE Value,\r | |
182 | IN UINT32 Instance,\r | |
183 | IN EFI_GUID *CallerId,\r | |
184 | IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r | |
185 | )\r | |
186 | {\r | |
6f2b45bb | 187 | DATA_HUB_STATUS_CODE_DATA_RECORD *Record;\r |
188 | UINT32 ErrorLevel;\r | |
ca9938b8 | 189 | BASE_LIST Marker;\r |
6f2b45bb | 190 | CHAR8 *Format;\r |
191 | UINTN CharCount;\r | |
ad1a1798 | 192 | \r |
df809f3d | 193 | //\r |
194 | // Use atom operation to avoid the reentant of report.\r | |
195 | // If current status is not zero, then the function is reentrancy.\r | |
196 | //\r | |
a8cbf345 | 197 | if (InterlockedCompareExchange32 (&mLogDataHubStatus, 0, 0) == 1) {\r |
df809f3d | 198 | return EFI_DEVICE_ERROR;\r |
199 | }\r | |
200 | \r | |
ad1a1798 | 201 | //\r |
202 | // See whether in runtime phase or not.\r | |
203 | //\r | |
204 | if (EfiAtRuntime ()) {\r | |
205 | return EFI_DEVICE_ERROR;\r | |
206 | }\r | |
207 | \r | |
208 | Record = AcquireRecordBuffer ();\r | |
209 | if (Record == NULL) {\r | |
210 | //\r | |
211 | // There are no empty record buffer in private buffers\r | |
212 | //\r | |
213 | return EFI_OUT_OF_RESOURCES;\r | |
214 | }\r | |
6f2b45bb | 215 | \r |
ad1a1798 | 216 | //\r |
217 | // Construct Data Hub Extended Data\r | |
218 | //\r | |
219 | Record->CodeType = CodeType;\r | |
220 | Record->Value = Value;\r | |
221 | Record->Instance = Instance;\r | |
222 | \r | |
223 | if (CallerId != NULL) {\r | |
224 | CopyMem (&Record->CallerId, CallerId, sizeof (EFI_GUID));\r | |
225 | }\r | |
226 | \r | |
227 | if (Data != NULL) {\r | |
228 | if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) {\r | |
ca9938b8 | 229 | CharCount = UnicodeBSPrintAsciiFormat (\r |
6f2b45bb | 230 | (CHAR16 *) (Record + 1),\r |
ad1a1798 | 231 | EFI_STATUS_CODE_DATA_MAX_SIZE,\r |
232 | Format,\r | |
233 | Marker\r | |
234 | );\r | |
235 | //\r | |
a8cbf345 | 236 | // Change record data type to DebugType.\r |
ad1a1798 | 237 | //\r |
6f2b45bb | 238 | CopyGuid (&Record->Data.Type, &gEfiStatusCodeDataTypeDebugGuid);\r |
ad1a1798 | 239 | Record->Data.HeaderSize = Data->HeaderSize;\r |
240 | Record->Data.Size = (UINT16) ((CharCount + 1) * sizeof (CHAR16));\r | |
241 | } else {\r | |
242 | //\r | |
243 | // Copy status code data header\r | |
244 | //\r | |
245 | CopyMem (&Record->Data, Data, sizeof (EFI_STATUS_CODE_DATA));\r | |
246 | \r | |
247 | if (Data->Size > EFI_STATUS_CODE_DATA_MAX_SIZE) {\r | |
248 | Record->Data.Size = EFI_STATUS_CODE_DATA_MAX_SIZE;\r | |
249 | }\r | |
6f2b45bb | 250 | CopyMem ((VOID *) (Record + 1), Data + 1, Record->Data.Size);\r |
ad1a1798 | 251 | }\r |
252 | }\r | |
253 | \r | |
254 | gBS->SignalEvent (mLogDataHubEvent);\r | |
255 | \r | |
256 | return EFI_SUCCESS;\r | |
257 | }\r | |
258 | \r | |
259 | \r | |
260 | /**\r | |
261 | The Event handler which will be notified to log data in Data Hub.\r | |
262 | \r | |
263 | @param Event Instance of the EFI_EVENT to signal whenever data is\r | |
264 | available to be logged in the system.\r | |
265 | @param Context Context of the event.\r | |
266 | \r | |
267 | **/\r | |
ad1a1798 | 268 | VOID\r |
269 | EFIAPI\r | |
270 | LogDataHubEventCallBack (\r | |
271 | IN EFI_EVENT Event,\r | |
272 | IN VOID *Context\r | |
273 | )\r | |
274 | {\r | |
6f2b45bb | 275 | DATA_HUB_STATUS_CODE_DATA_RECORD *Record;\r |
ad1a1798 | 276 | UINT32 Size;\r |
277 | UINT64 DataRecordClass;\r | |
278 | \r | |
df809f3d | 279 | //\r |
280 | // Use atom operation to avoid the reentant of report.\r | |
281 | // If current status is not zero, then the function is reentrancy.\r | |
282 | //\r | |
a8cbf345 | 283 | if (InterlockedCompareExchange32 (&mLogDataHubStatus, 0, 1) == 1) {\r |
df809f3d | 284 | return;\r |
285 | }\r | |
286 | \r | |
ad1a1798 | 287 | //\r |
288 | // Log DataRecord in Data Hub.\r | |
289 | // Journal records fifo to find all record entry.\r | |
290 | //\r | |
a8cbf345 | 291 | while (TRUE) {\r |
292 | //\r | |
293 | // Retrieve record from record FIFO until no more record can be retrieved.\r | |
294 | //\r | |
ad1a1798 | 295 | Record = RetrieveRecord ();\r |
296 | if (Record == NULL) {\r | |
297 | break;\r | |
298 | }\r | |
299 | //\r | |
300 | // Add in the size of the header we added.\r | |
301 | //\r | |
6f2b45bb | 302 | Size = sizeof (DATA_HUB_STATUS_CODE_DATA_RECORD) + (UINT32) Record->Data.Size;\r |
ad1a1798 | 303 | \r |
304 | if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) {\r | |
305 | DataRecordClass = EFI_DATA_RECORD_CLASS_PROGRESS_CODE;\r | |
306 | } else if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) {\r | |
307 | DataRecordClass = EFI_DATA_RECORD_CLASS_ERROR;\r | |
308 | } else if ((Record->CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) {\r | |
309 | DataRecordClass = EFI_DATA_RECORD_CLASS_DEBUG;\r | |
310 | } else {\r | |
311 | //\r | |
312 | // Should never get here.\r | |
313 | //\r | |
314 | DataRecordClass = EFI_DATA_RECORD_CLASS_DEBUG |\r | |
315 | EFI_DATA_RECORD_CLASS_ERROR |\r | |
316 | EFI_DATA_RECORD_CLASS_DATA |\r | |
317 | EFI_DATA_RECORD_CLASS_PROGRESS_CODE;\r | |
318 | }\r | |
319 | \r | |
320 | //\r | |
321 | // Log DataRecord in Data Hub\r | |
322 | //\r | |
ad1a1798 | 323 | mDataHubProtocol->LogData (\r |
324 | mDataHubProtocol,\r | |
29941df6 | 325 | &gEfiDataHubStatusCodeRecordGuid,\r |
ad1a1798 | 326 | &gEfiStatusCodeRuntimeProtocolGuid,\r |
327 | DataRecordClass,\r | |
328 | Record,\r | |
329 | Size\r | |
330 | );\r | |
331 | \r | |
df809f3d | 332 | ReleaseRecord (Record);\r |
ad1a1798 | 333 | }\r |
df809f3d | 334 | \r |
335 | //\r | |
336 | // Restore the nest status of report\r | |
337 | //\r | |
338 | InterlockedCompareExchange32 (&mLogDataHubStatus, 1, 0);\r | |
ad1a1798 | 339 | }\r |
340 | \r | |
341 | \r | |
342 | /**\r | |
a8cbf345 | 343 | Locate Data Hub Protocol and create event for logging data\r |
344 | as initialization for data hub status code worker.\r | |
ad1a1798 | 345 | \r |
a8cbf345 | 346 | @retval EFI_SUCCESS Initialization is successful.\r |
ad1a1798 | 347 | \r |
348 | **/\r | |
349 | EFI_STATUS\r | |
350 | DataHubStatusCodeInitializeWorker (\r | |
351 | VOID\r | |
352 | )\r | |
353 | {\r | |
354 | EFI_STATUS Status;\r | |
355 | \r | |
356 | Status = gBS->LocateProtocol (\r | |
357 | &gEfiDataHubProtocolGuid, \r | |
358 | NULL, \r | |
359 | (VOID **) &mDataHubProtocol\r | |
360 | );\r | |
361 | ASSERT_EFI_ERROR (Status);\r | |
362 | \r | |
363 | //\r | |
364 | // Create a Notify Event to log data in Data Hub\r | |
365 | //\r | |
366 | Status = gBS->CreateEvent (\r | |
367 | EVT_NOTIFY_SIGNAL,\r | |
368 | TPL_CALLBACK,\r | |
369 | LogDataHubEventCallBack,\r | |
370 | NULL,\r | |
371 | &mLogDataHubEvent\r | |
372 | );\r | |
373 | \r | |
374 | ASSERT_EFI_ERROR (Status);\r | |
375 | \r | |
376 | return EFI_SUCCESS;\r | |
377 | }\r | |
378 | \r | |
379 | \r |