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310b04e6 | 1 | /** @file\r |
2 | This code produces the Smbios protocol. It also responsible for constructing \r | |
3 | SMBIOS table into system table.\r | |
4 | \r | |
5 | Copyright (c) 2009, Intel Corporation \r | |
6 | All rights reserved. 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 "SmbiosDxe.h"\r | |
17 | \r | |
18 | //\r | |
19 | // Module Global:\r | |
20 | // Since this driver will only ever produce one instance of the\r | |
21 | // protocol you are not required to dynamically allocate the PrivateData.\r | |
22 | //\r | |
23 | SMBIOS_INSTANCE mPrivateData;\r | |
24 | \r | |
25 | //\r | |
26 | // Chassis for SMBIOS entry point structure that is to be installed into EFI system config table.\r | |
27 | //\r | |
28 | SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure = NULL;\r | |
29 | SMBIOS_TABLE_ENTRY_POINT EntryPointStructureData = {\r | |
30 | //\r | |
31 | // AnchorString\r | |
32 | //\r | |
33 | {\r | |
34 | 0x5f,\r | |
35 | 0x53,\r | |
36 | 0x4d,\r | |
37 | 0x5f\r | |
38 | },\r | |
39 | //\r | |
40 | // EntryPointStructureChecksum,TO BE FILLED\r | |
41 | //\r | |
42 | 0,\r | |
43 | //\r | |
44 | // EntryPointStructure Length\r | |
45 | //\r | |
46 | 0x1f,\r | |
47 | //\r | |
48 | // MajorVersion: 2 (Version 2.4)\r | |
49 | //\r | |
50 | 0x02,\r | |
51 | //\r | |
52 | // MinorVersion: 4 (Version 2.4)\r | |
53 | //\r | |
54 | 0x04,\r | |
55 | //\r | |
56 | // MaxStructureSize, TO BE FILLED\r | |
57 | //\r | |
58 | 0,\r | |
59 | //\r | |
60 | // EntryPointRevision\r | |
61 | //\r | |
62 | 0,\r | |
63 | //\r | |
64 | // FormattedArea\r | |
65 | //\r | |
66 | {\r | |
67 | 0,\r | |
68 | 0,\r | |
69 | 0,\r | |
70 | 0,\r | |
71 | 0\r | |
72 | },\r | |
73 | //\r | |
74 | // IntermediateAnchorString\r | |
75 | //\r | |
76 | {\r | |
77 | 0x5f,\r | |
78 | 0x44,\r | |
79 | 0x4d,\r | |
80 | 0x49,\r | |
81 | 0x5f\r | |
82 | },\r | |
83 | //\r | |
84 | // IntermediateChecksum, TO BE FILLED\r | |
85 | //\r | |
86 | 0,\r | |
87 | //\r | |
88 | // StructureTableLength, TO BE FILLED\r | |
89 | //\r | |
90 | 0,\r | |
91 | //\r | |
92 | // StructureTableAddress, TO BE FILLED\r | |
93 | //\r | |
94 | 0,\r | |
95 | //\r | |
96 | // NumberOfSmbiosStructures, TO BE FILLED\r | |
97 | //\r | |
98 | 0,\r | |
99 | //\r | |
100 | // SmbiosBcdRevision\r | |
101 | //\r | |
102 | 0 \r | |
103 | };\r | |
104 | \r | |
105 | \r | |
106 | /**\r | |
107 | \r | |
108 | Get the full size of smbios structure including optional strings that follow the formatted structure.\r | |
109 | \r | |
110 | @param Head Pointer to the beginning of smbios structure.\r | |
111 | @param Size The returned size.\r | |
112 | @param NumberOfStrings The returned number of optional strings that follow the formatted structure.\r | |
113 | \r | |
114 | @retval EFI_SUCCESS Size retured in Size.\r | |
115 | @retval EFI_INVALID_PARAMETER Input smbios structure mal-formed or Size is NULL.\r | |
116 | \r | |
117 | **/\r | |
118 | EFI_STATUS\r | |
119 | EFIAPI\r | |
120 | GetSmbiosStructureSize (\r | |
121 | IN EFI_SMBIOS_TABLE_HEADER *Head,\r | |
122 | OUT UINTN *Size,\r | |
123 | OUT UINTN *NumberOfStrings\r | |
124 | )\r | |
125 | {\r | |
126 | UINTN FullSize;\r | |
127 | UINT8 StrLen;\r | |
128 | INT8* CharInStr;\r | |
129 | \r | |
130 | if (Size == NULL || NumberOfStrings == NULL) {\r | |
131 | return EFI_INVALID_PARAMETER;\r | |
132 | }\r | |
133 | \r | |
134 | FullSize = Head->Length;\r | |
135 | CharInStr = (INT8*)Head + Head->Length;\r | |
136 | *Size = FullSize;\r | |
137 | *NumberOfStrings = 0;\r | |
138 | StrLen = 0;\r | |
139 | //\r | |
140 | // look for the two consecutive zeros, check the string limit by the way.\r | |
141 | //\r | |
142 | while (*CharInStr != 0 || *(CharInStr+1) != 0) { \r | |
143 | if (*CharInStr == 0) {\r | |
144 | *NumberOfStrings += 1;\r | |
145 | *Size += 1;\r | |
146 | CharInStr++;\r | |
147 | }\r | |
148 | \r | |
149 | for (StrLen = 0 ; StrLen < SMBIOS_STRING_MAX_LENGTH; StrLen++) {\r | |
150 | if (*(CharInStr+StrLen) == 0) {\r | |
151 | break;\r | |
152 | } \r | |
153 | }\r | |
154 | \r | |
155 | if (StrLen == SMBIOS_STRING_MAX_LENGTH) {\r | |
156 | return EFI_INVALID_PARAMETER;\r | |
157 | }\r | |
158 | //\r | |
159 | // forward the pointer\r | |
160 | //\r | |
161 | CharInStr += StrLen;\r | |
162 | *Size += StrLen;\r | |
163 | \r | |
164 | }\r | |
165 | \r | |
166 | if (*NumberOfStrings > 0) {\r | |
167 | *NumberOfStrings += 1;\r | |
168 | }\r | |
169 | //\r | |
170 | // count ending two zeros.\r | |
171 | //\r | |
172 | *Size += 2;\r | |
173 | return EFI_SUCCESS; \r | |
174 | }\r | |
175 | \r | |
176 | /**\r | |
177 | \r | |
178 | Determin whether an SmbiosHandle has already in use.\r | |
179 | \r | |
180 | @param Head Pointer to the beginning of smbios structure.\r | |
181 | @param Handle A unique handle will be assigned to the SMBIOS record.\r | |
182 | \r | |
183 | @retval TRUE Smbios handle already in use.\r | |
184 | @retval FALSE Smbios handle is NOT used.\r | |
185 | \r | |
186 | **/\r | |
187 | BOOLEAN\r | |
188 | EFIAPI\r | |
189 | CheckSmbiosHandleExistance (\r | |
190 | IN LIST_ENTRY *Head,\r | |
191 | IN EFI_SMBIOS_HANDLE Handle\r | |
192 | )\r | |
193 | {\r | |
194 | LIST_ENTRY *Link;\r | |
195 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
196 | \r | |
197 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
198 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
199 | if (HandleEntry->SmbiosHandle == Handle) {\r | |
200 | return TRUE;\r | |
201 | }\r | |
202 | }\r | |
203 | \r | |
204 | return FALSE;\r | |
205 | }\r | |
206 | \r | |
207 | /**\r | |
208 | \r | |
209 | Get the max SmbiosHandle that could be use.\r | |
210 | \r | |
211 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
212 | @param MaxHandle The max handle that could be assigned to the SMBIOS record.\r | |
213 | \r | |
214 | **/\r | |
215 | VOID\r | |
216 | EFIAPI\r | |
217 | GetMaxSmbiosHandle (\r | |
218 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
219 | IN OUT EFI_SMBIOS_HANDLE *MaxHandle\r | |
220 | ) \r | |
221 | {\r | |
222 | if (This->MajorVersion == 2 && This->MinorVersion == 0) {\r | |
223 | *MaxHandle = 0xFFFE;\r | |
224 | } else {\r | |
225 | *MaxHandle = 0xFEFF;\r | |
226 | }\r | |
227 | }\r | |
228 | \r | |
229 | /**\r | |
230 | \r | |
231 | Get an SmbiosHandle that could use.\r | |
232 | \r | |
233 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
234 | @param SmbiosHandle A unique handle will be assigned to the SMBIOS record.\r | |
235 | \r | |
236 | @retval EFI_SUCCESS Smbios handle got.\r | |
237 | @retval EFI_OUT_OF_RESOURCES Smbios handle is NOT available.\r | |
238 | \r | |
239 | **/\r | |
240 | EFI_STATUS\r | |
241 | EFIAPI\r | |
242 | GetAvailableSmbiosHandle (\r | |
243 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
244 | IN OUT EFI_SMBIOS_HANDLE *Handle\r | |
245 | )\r | |
246 | {\r | |
247 | LIST_ENTRY *Head;\r | |
248 | SMBIOS_INSTANCE *Private;\r | |
249 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
250 | EFI_SMBIOS_HANDLE AvailableHandle;\r | |
251 | \r | |
252 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
253 | \r | |
254 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
255 | Head = &Private->AllocatedHandleListHead;\r | |
256 | for (AvailableHandle = 1; AvailableHandle < MaxSmbiosHandle; AvailableHandle++) {\r | |
257 | if (!CheckSmbiosHandleExistance(Head, AvailableHandle)) {\r | |
258 | *Handle = AvailableHandle;\r | |
259 | return EFI_SUCCESS;\r | |
260 | }\r | |
261 | }\r | |
262 | \r | |
263 | return EFI_OUT_OF_RESOURCES;\r | |
264 | }\r | |
265 | \r | |
266 | \r | |
267 | /**\r | |
268 | Add an SMBIOS record.\r | |
269 | \r | |
270 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
271 | @param ProducerHandle The handle of the controller or driver associated with the SMBIOS information. NULL\r | |
272 | means no handle.\r | |
273 | @param SmbiosHandle On entry, if non-zero, the handle of the SMBIOS record. If zero, then a unique handle\r | |
274 | will be assigned to the SMBIOS record. If the SMBIOS handle is already in use\r | |
275 | EFI_ALREADY_STARTED is returned and the SMBIOS record is not updated.\r | |
276 | @param Record The data for the fixed portion of the SMBIOS record. The format of the record is\r | |
277 | determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined \r | |
278 | by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or \r | |
279 | a set of null terminated strings and a null.\r | |
280 | \r | |
281 | @retval EFI_SUCCESS Record was added.\r | |
282 | @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.\r | |
283 | @retval EFI_ALREADY_STARTED The SmbiosHandle passed in was already in use.\r | |
284 | \r | |
285 | **/\r | |
286 | EFI_STATUS\r | |
287 | EFIAPI\r | |
288 | SmbiosAdd (\r | |
289 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
290 | IN EFI_HANDLE ProducerHandle, OPTIONAL\r | |
291 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
292 | IN EFI_SMBIOS_TABLE_HEADER *Record\r | |
293 | )\r | |
294 | {\r | |
295 | VOID *Raw;\r | |
296 | UINTN TotalSize;\r | |
297 | UINTN RecordSize;\r | |
298 | UINTN StructureSize;\r | |
299 | UINTN NumberOfStrings;\r | |
300 | EFI_STATUS Status;\r | |
301 | LIST_ENTRY *Head;\r | |
302 | SMBIOS_INSTANCE *Private;\r | |
303 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
304 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
305 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
306 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
307 | \r | |
308 | if (SmbiosHandle == NULL) {\r | |
309 | return EFI_INVALID_PARAMETER;\r | |
310 | }\r | |
311 | \r | |
312 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
313 | //\r | |
314 | // Check whether SmbiosHandle is already in use\r | |
315 | //\r | |
316 | Head = &Private->AllocatedHandleListHead;\r | |
317 | if (*SmbiosHandle != 0 && CheckSmbiosHandleExistance(Head, *SmbiosHandle)) {\r | |
318 | return EFI_ALREADY_STARTED;\r | |
319 | }\r | |
320 | \r | |
321 | //\r | |
322 | // when SmbiosHandle is zero, an available handle will be assigned\r | |
323 | //\r | |
324 | if (*SmbiosHandle == 0) {\r | |
325 | Status = GetAvailableSmbiosHandle(This, SmbiosHandle);\r | |
326 | if (EFI_ERROR(Status)) {\r | |
327 | return Status;\r | |
328 | }\r | |
329 | } else {\r | |
330 | //\r | |
331 | // Check this handle validity\r | |
332 | //\r | |
333 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
334 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
335 | return EFI_INVALID_PARAMETER;\r | |
336 | }\r | |
337 | }\r | |
338 | \r | |
339 | //\r | |
340 | // Calculate record size and string number\r | |
341 | //\r | |
342 | Status = GetSmbiosStructureSize(Record, &StructureSize, &NumberOfStrings);\r | |
343 | if (EFI_ERROR(Status)) {\r | |
344 | return Status;\r | |
345 | }\r | |
346 | \r | |
347 | //\r | |
348 | // Enter into critical section\r | |
349 | // \r | |
350 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
351 | if (EFI_ERROR (Status)) {\r | |
352 | return Status;\r | |
353 | }\r | |
354 | \r | |
355 | RecordSize = sizeof (EFI_SMBIOS_RECORD_HEADER) + StructureSize;\r | |
356 | TotalSize = sizeof (EFI_SMBIOS_ENTRY) + RecordSize;\r | |
357 | \r | |
358 | //\r | |
359 | // Allocate internal buffer\r | |
360 | //\r | |
0d34b1cf | 361 | SmbiosEntry = AllocateZeroPool (TotalSize);\r |
310b04e6 | 362 | if (SmbiosEntry == NULL) {\r |
363 | EfiReleaseLock (&Private->DataLock);\r | |
364 | return EFI_OUT_OF_RESOURCES;\r | |
365 | }\r | |
0d34b1cf | 366 | HandleEntry = AllocateZeroPool (sizeof(SMBIOS_HANDLE_ENTRY));\r |
310b04e6 | 367 | if (HandleEntry == NULL) {\r |
368 | EfiReleaseLock (&Private->DataLock);\r | |
369 | return EFI_OUT_OF_RESOURCES;\r | |
370 | }\r | |
371 | \r | |
372 | //\r | |
373 | // Build Handle Entry and insert into linked list\r | |
374 | //\r | |
310b04e6 | 375 | HandleEntry->Signature = SMBIOS_HANDLE_ENTRY_SIGNATURE;\r |
376 | HandleEntry->SmbiosHandle = *SmbiosHandle;\r | |
377 | InsertTailList(&Private->AllocatedHandleListHead, &HandleEntry->Link);\r | |
378 | \r | |
310b04e6 | 379 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (SmbiosEntry + 1);\r |
380 | Raw = (VOID *) (InternalRecord + 1);\r | |
381 | \r | |
382 | //\r | |
383 | // Build internal record Header\r | |
384 | //\r | |
385 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
386 | InternalRecord->HeaderSize = sizeof (EFI_SMBIOS_RECORD_HEADER);\r | |
387 | InternalRecord->RecordSize = RecordSize;\r | |
388 | InternalRecord->ProducerHandle = ProducerHandle;\r | |
389 | InternalRecord->NumberOfStrings = NumberOfStrings;\r | |
390 | //\r | |
391 | // Insert record into the internal linked list\r | |
392 | //\r | |
393 | SmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
394 | SmbiosEntry->RecordHeader = InternalRecord;\r | |
395 | SmbiosEntry->RecordSize = TotalSize;\r | |
396 | InsertTailList (&Private->DataListHead, &SmbiosEntry->Link);\r | |
397 | \r | |
398 | CopyMem (Raw, Record, StructureSize);\r | |
399 | ((EFI_SMBIOS_TABLE_HEADER*)Raw)->Handle = *SmbiosHandle;\r | |
400 | \r | |
401 | //\r | |
402 | // Leave critical section\r | |
403 | //\r | |
404 | EfiReleaseLock (&Private->DataLock);\r | |
405 | return EFI_SUCCESS;\r | |
406 | }\r | |
407 | \r | |
408 | /**\r | |
409 | Update the string associated with an existing SMBIOS record.\r | |
410 | \r | |
411 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
412 | @param SmbiosHandle SMBIOS Handle of structure that will have its string updated.\r | |
413 | @param StringNumber The non-zero string number of the string to update\r | |
414 | @param String Update the StringNumber string with String.\r | |
415 | \r | |
416 | @retval EFI_SUCCESS SmbiosHandle had its StringNumber String updated.\r | |
417 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not exist.\r | |
418 | @retval EFI_UNSUPPORTED String was not added since it's longer than 64 significant characters.\r | |
419 | @retval EFI_NOT_FOUND The StringNumber.is not valid for this SMBIOS record.\r | |
420 | \r | |
421 | **/\r | |
422 | EFI_STATUS\r | |
423 | EFIAPI\r | |
424 | SmbiosUpdateString (\r | |
425 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
426 | IN EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
427 | IN UINTN *StringNumber,\r | |
428 | IN CHAR8 *String\r | |
429 | )\r | |
430 | {\r | |
431 | UINTN InputStrLen;\r | |
432 | UINTN TargetStrLen;\r | |
433 | UINTN StrIndex;\r | |
434 | UINTN TargetStrOffset;\r | |
435 | UINTN NewEntrySize;\r | |
436 | CHAR8 *StrStart;\r | |
437 | VOID *Raw;\r | |
438 | LIST_ENTRY *Link;\r | |
439 | LIST_ENTRY *Head;\r | |
440 | EFI_STATUS Status;\r | |
441 | SMBIOS_INSTANCE *Private;\r | |
442 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
443 | EFI_SMBIOS_ENTRY *ResizedSmbiosEntry;\r | |
444 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
445 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
446 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
447 | \r | |
448 | //\r | |
449 | // Check args validity\r | |
450 | //\r | |
451 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
452 | \r | |
453 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
454 | return EFI_INVALID_PARAMETER;\r | |
455 | }\r | |
456 | \r | |
457 | if (String == NULL) {\r | |
458 | return EFI_ABORTED;\r | |
459 | }\r | |
460 | \r | |
461 | if (*StringNumber == 0) {\r | |
462 | return EFI_NOT_FOUND;\r | |
463 | }\r | |
464 | \r | |
465 | InputStrLen = AsciiStrLen(String);\r | |
466 | if (InputStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
467 | return EFI_UNSUPPORTED;\r | |
468 | }\r | |
469 | \r | |
470 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
471 | //\r | |
472 | // Enter into critical section\r | |
473 | // \r | |
474 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
475 | if (EFI_ERROR (Status)) {\r | |
476 | return Status;\r | |
477 | }\r | |
478 | \r | |
479 | Head = &Private->DataListHead;\r | |
480 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
481 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
482 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
483 | \r | |
484 | if ((UINTN)Record->Handle == *SmbiosHandle) {\r | |
485 | //\r | |
486 | // Find out the specified Smbios record\r | |
487 | //\r | |
488 | if (*StringNumber > SmbiosEntry->RecordHeader->NumberOfStrings) {\r | |
489 | EfiReleaseLock (&Private->DataLock);\r | |
490 | return EFI_NOT_FOUND;\r | |
491 | }\r | |
492 | //\r | |
493 | // Point to unformed string section\r | |
494 | //\r | |
495 | StrStart = (CHAR8*)Record + Record->Length;\r | |
496 | \r | |
497 | for (StrIndex = 1, TargetStrOffset = 0; StrIndex < *StringNumber; StrStart++, TargetStrOffset++) {\r | |
498 | //\r | |
499 | // A string ends in 00h\r | |
500 | //\r | |
501 | if (*StrStart == 0) {\r | |
502 | StrIndex++;\r | |
503 | }\r | |
504 | \r | |
505 | //\r | |
506 | // String section ends in double-null (0000h)\r | |
507 | //\r | |
508 | if (*StrStart == 0 && *(StrStart + 1) == 0) {\r | |
509 | EfiReleaseLock (&Private->DataLock);\r | |
510 | return EFI_NOT_FOUND;\r | |
511 | } \r | |
512 | }\r | |
513 | \r | |
514 | //\r | |
515 | // Now we get the string target\r | |
516 | //\r | |
517 | TargetStrLen = AsciiStrLen(StrStart);\r | |
518 | if (InputStrLen == TargetStrLen) {\r | |
519 | AsciiStrCpy(StrStart, String);\r | |
520 | EfiReleaseLock (&Private->DataLock);\r | |
521 | return EFI_SUCCESS;\r | |
522 | }\r | |
523 | \r | |
524 | //\r | |
525 | // Original string buffer size is not exactly match input string length.\r | |
526 | // Re-allocate buffer is needed.\r | |
527 | //\r | |
528 | NewEntrySize = SmbiosEntry->RecordSize + InputStrLen - TargetStrLen;\r | |
0d34b1cf | 529 | ResizedSmbiosEntry = AllocateZeroPool (NewEntrySize);\r |
310b04e6 | 530 | \r |
531 | if (ResizedSmbiosEntry == NULL) {\r | |
532 | EfiReleaseLock (&Private->DataLock);\r | |
533 | return EFI_OUT_OF_RESOURCES;\r | |
534 | }\r | |
535 | \r | |
310b04e6 | 536 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (ResizedSmbiosEntry + 1);\r |
537 | Raw = (VOID *) (InternalRecord + 1);\r | |
538 | \r | |
539 | //\r | |
540 | // Build internal record Header\r | |
541 | //\r | |
542 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
543 | InternalRecord->HeaderSize = sizeof (EFI_SMBIOS_RECORD_HEADER);\r | |
544 | InternalRecord->RecordSize = SmbiosEntry->RecordHeader->RecordSize + InputStrLen - TargetStrLen;\r | |
545 | InternalRecord->ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
546 | InternalRecord->NumberOfStrings = SmbiosEntry->RecordHeader->NumberOfStrings;\r | |
547 | \r | |
548 | //\r | |
549 | // Copy smbios structure and optional strings.\r | |
550 | //\r | |
551 | CopyMem (Raw, SmbiosEntry->RecordHeader + 1, sizeof(EFI_SMBIOS_TABLE_HEADER) + TargetStrOffset);\r | |
552 | CopyMem ((VOID*)((UINTN)Raw + sizeof(EFI_SMBIOS_TABLE_HEADER) + TargetStrOffset), String, InputStrLen + 1);\r | |
553 | AsciiStrCpy((CHAR8*)((UINTN)Raw + sizeof(EFI_SMBIOS_TABLE_HEADER) + TargetStrOffset + InputStrLen + 1), (CHAR8*)Record + Record->Length + TargetStrOffset + TargetStrLen + 1);\r | |
554 | \r | |
555 | //\r | |
556 | // Insert new record\r | |
557 | //\r | |
558 | ResizedSmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
559 | ResizedSmbiosEntry->RecordHeader = InternalRecord;\r | |
560 | ResizedSmbiosEntry->RecordSize = NewEntrySize;\r | |
561 | InsertTailList (Link->ForwardLink, &ResizedSmbiosEntry->Link);\r | |
562 | \r | |
563 | //\r | |
564 | // Remove old record\r | |
565 | //\r | |
566 | RemoveEntryList(Link);\r | |
567 | FreePool(SmbiosEntry);\r | |
568 | EfiReleaseLock (&Private->DataLock);\r | |
569 | return EFI_SUCCESS;\r | |
570 | }\r | |
571 | }\r | |
572 | \r | |
573 | EfiReleaseLock (&Private->DataLock);\r | |
574 | return EFI_INVALID_PARAMETER;\r | |
575 | }\r | |
576 | \r | |
577 | /**\r | |
578 | Remove an SMBIOS record.\r | |
579 | \r | |
580 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
581 | @param SmbiosHandle The handle of the SMBIOS record to remove.\r | |
582 | \r | |
583 | @retval EFI_SUCCESS SMBIOS record was removed.\r | |
584 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not specify a valid SMBIOS record.\r | |
585 | \r | |
586 | **/\r | |
587 | EFI_STATUS\r | |
588 | EFIAPI\r | |
589 | SmbiosRemove (\r | |
590 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
591 | IN EFI_SMBIOS_HANDLE SmbiosHandle\r | |
592 | )\r | |
593 | {\r | |
594 | LIST_ENTRY *Link;\r | |
595 | LIST_ENTRY *Head;\r | |
596 | EFI_STATUS Status;\r | |
597 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
598 | SMBIOS_INSTANCE *Private;\r | |
599 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
600 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
601 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
602 | \r | |
603 | //\r | |
604 | // Check args validity\r | |
605 | //\r | |
606 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
607 | \r | |
608 | if (SmbiosHandle > MaxSmbiosHandle) {\r | |
609 | return EFI_INVALID_PARAMETER;\r | |
610 | }\r | |
611 | \r | |
612 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
613 | //\r | |
614 | // Enter into critical section\r | |
615 | // \r | |
616 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
617 | if (EFI_ERROR (Status)) {\r | |
618 | return Status;\r | |
619 | }\r | |
620 | \r | |
621 | Head = &Private->DataListHead;\r | |
622 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
623 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
624 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
625 | if ((UINTN)Record->Handle == SmbiosHandle) {\r | |
626 | //\r | |
627 | // Remove specified smobios record from DataList\r | |
628 | //\r | |
629 | RemoveEntryList(Link);\r | |
630 | FreePool(SmbiosEntry);\r | |
631 | // \r | |
632 | // Remove this handle from AllocatedHandleList\r | |
633 | //\r | |
634 | Head = &Private->AllocatedHandleListHead;\r | |
635 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
636 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
637 | if ((UINTN)HandleEntry->SmbiosHandle == SmbiosHandle) {\r | |
638 | RemoveEntryList(Link);\r | |
639 | FreePool(HandleEntry);\r | |
640 | break;\r | |
641 | }\r | |
642 | }\r | |
643 | EfiReleaseLock (&Private->DataLock);\r | |
644 | return EFI_SUCCESS;\r | |
645 | }\r | |
646 | }\r | |
647 | \r | |
648 | //\r | |
649 | // Leave critical section\r | |
650 | //\r | |
651 | EfiReleaseLock (&Private->DataLock);\r | |
652 | return EFI_INVALID_PARAMETER;\r | |
653 | \r | |
654 | }\r | |
655 | \r | |
656 | /**\r | |
657 | Allow the caller to discover all or some of the SMBIOS records.\r | |
658 | \r | |
659 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
660 | @param SmbiosHandle On entry, points to the previous handle of the SMBIOS record. On exit, points to the\r | |
661 | next SMBIOS record handle. If it is zero on entry, then the first SMBIOS record\r | |
662 | handle will be returned. If it returns zero on exit, then there are no more SMBIOS records.\r | |
663 | @param Type On entry it means return the next SMBIOS record of type Type. If a NULL is passed in \r | |
664 | this functionally it ignored. Type is not modified by the GetNext() function.\r | |
665 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
666 | the unformatted area. The unformatted area optionally contains text strings.\r | |
667 | @param ProducerHandle On exit, points to the ProducerHandle registered by Add(). If no ProducerHandle was passed into Add() NULL is returned. \r | |
668 | If a NULL pointer is passed in no data will be returned \r | |
669 | \r | |
670 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
671 | SmbiosHandle is the handle of the current SMBIOS record\r | |
672 | @retval EFI_NOT_FOUND The SMBIOS record with SmbiosHandle was the last available record.\r | |
673 | \r | |
674 | **/\r | |
675 | EFI_STATUS\r | |
676 | EFIAPI\r | |
677 | SmbiosGetNext (\r | |
678 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
679 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
680 | IN EFI_SMBIOS_TYPE *Type, OPTIONAL\r | |
681 | OUT EFI_SMBIOS_TABLE_HEADER **Record,\r | |
682 | OUT EFI_HANDLE *ProducerHandle OPTIONAL\r | |
683 | )\r | |
684 | {\r | |
685 | BOOLEAN StartPointFound;\r | |
686 | LIST_ENTRY *Link;\r | |
687 | LIST_ENTRY *Head;\r | |
688 | SMBIOS_INSTANCE *Private;\r | |
689 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
690 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
691 | \r | |
692 | if (SmbiosHandle == NULL) {\r | |
693 | return EFI_INVALID_PARAMETER;\r | |
694 | }\r | |
695 | \r | |
696 | StartPointFound = FALSE;\r | |
697 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
698 | Head = &Private->DataListHead;\r | |
699 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
700 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
701 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1); \r | |
702 | \r | |
703 | //\r | |
704 | // If SmbiosHandle is zero, the first matched SMBIOS record handle will be returned\r | |
705 | //\r | |
706 | if (*SmbiosHandle == 0) {\r | |
707 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
708 | continue; \r | |
709 | }\r | |
710 | \r | |
711 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
712 | *Record =SmbiosTableHeader;\r | |
713 | if (ProducerHandle != NULL) {\r | |
714 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
715 | }\r | |
716 | return EFI_SUCCESS;\r | |
717 | }\r | |
718 | \r | |
719 | //\r | |
720 | // Start this round search from the next Smbios handle\r | |
721 | //\r | |
722 | if (!StartPointFound && (*SmbiosHandle == SmbiosTableHeader->Handle)) {\r | |
723 | StartPointFound = TRUE;\r | |
724 | continue;\r | |
725 | }\r | |
726 | \r | |
727 | if (StartPointFound) {\r | |
728 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
729 | continue; \r | |
730 | }\r | |
731 | \r | |
732 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
733 | *Record = SmbiosTableHeader; \r | |
734 | if (ProducerHandle != NULL) {\r | |
735 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
736 | }\r | |
737 | \r | |
738 | return EFI_SUCCESS; \r | |
739 | }\r | |
740 | }\r | |
741 | \r | |
742 | *SmbiosHandle = 0;\r | |
743 | return EFI_NOT_FOUND;\r | |
744 | \r | |
745 | }\r | |
746 | \r | |
747 | \r | |
748 | /**\r | |
749 | Assembles Smbios table from the SMBIOS protocol. Produce Table\r | |
750 | Entry Point and return the pointer to it.\r | |
751 | \r | |
752 | @param TableEntryPointStructure On exit, points to the SMBIOS entrypoint structure.\r | |
753 | \r | |
754 | @retval EFI_SUCCESS Structure created sucessfully.\r | |
755 | @retval EFI_NOT_READY Some of The SMBIOS records was not available yet.\r | |
756 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
757 | \r | |
758 | **/\r | |
759 | EFI_STATUS\r | |
760 | EFIAPI\r | |
761 | SmbiosCreateTable (\r | |
762 | OUT VOID **TableEntryPointStructure\r | |
763 | )\r | |
764 | {\r | |
765 | UINT8 CheckSum;\r | |
766 | UINT8 *BufferPointer;\r | |
767 | UINTN Index;\r | |
768 | UINTN RecordSize;\r | |
769 | UINTN NumOfStr;\r | |
770 | EFI_STATUS Status;\r | |
771 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
772 | EFI_SMBIOS_PROTOCOL *SmbiosProtocol;\r | |
773 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r | |
774 | EFI_SMBIOS_TABLE_HEADER *SmbiosRecord;\r | |
775 | EFI_SMBIOS_TABLE_END_STRUCTURE EndStructure;\r | |
776 | \r | |
777 | Status = EFI_SUCCESS;\r | |
778 | BufferPointer = NULL;\r | |
779 | CheckSum = 0;\r | |
780 | \r | |
781 | //\r | |
782 | // Initialize the EntryPointStructure with initial values.\r | |
783 | //\r | |
784 | if (EntryPointStructure == NULL) {\r | |
785 | //\r | |
786 | // Allocate memory (below 4GB)\r | |
787 | //\r | |
788 | PhysicalAddress = 0xffffffff;\r | |
789 | Status = gBS->AllocatePages (\r | |
790 | AllocateMaxAddress,\r | |
791 | EfiReservedMemoryType,\r | |
792 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
793 | &PhysicalAddress\r | |
794 | );\r | |
795 | if (EFI_ERROR (Status)) {\r | |
796 | return EFI_OUT_OF_RESOURCES;\r | |
797 | }\r | |
798 | \r | |
799 | EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) (UINTN) PhysicalAddress;\r | |
800 | \r | |
801 | CopyMem (\r | |
802 | EntryPointStructure,\r | |
803 | &EntryPointStructureData,\r | |
804 | sizeof (SMBIOS_TABLE_ENTRY_POINT)\r | |
805 | );\r | |
806 | }\r | |
807 | \r | |
808 | //\r | |
809 | // Free the original image\r | |
810 | //\r | |
0d34b1cf | 811 | if (EntryPointStructure->TableAddress != 0) {\r |
310b04e6 | 812 | FreePages (\r |
813 | (VOID*)(UINTN)EntryPointStructure->TableAddress,\r | |
814 | EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength)\r | |
815 | );\r | |
816 | EntryPointStructure->TableAddress = 0;\r | |
817 | }\r | |
818 | \r | |
819 | //\r | |
820 | // Locate smbios protocol to traverse smbios records.\r | |
821 | //\r | |
0d34b1cf | 822 | Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **) &SmbiosProtocol);\r |
823 | ASSERT_EFI_ERROR (Status);\r | |
310b04e6 | 824 | ASSERT (SmbiosProtocol != NULL);\r |
825 | \r | |
826 | //\r | |
827 | // Make some statistics about all the structures\r | |
828 | //\r | |
829 | EntryPointStructure->NumberOfSmbiosStructures = 0;\r | |
830 | EntryPointStructure->TableLength = 0;\r | |
831 | EntryPointStructure->MaxStructureSize = 0;\r | |
832 | SmbiosHandle = 0;\r | |
833 | \r | |
834 | //\r | |
835 | // Calculate EPS Table Length\r | |
836 | //\r | |
837 | do {\r | |
838 | Status = SmbiosProtocol->GetNext (\r | |
839 | SmbiosProtocol,\r | |
840 | &SmbiosHandle,\r | |
841 | NULL,\r | |
842 | &SmbiosRecord,\r | |
843 | NULL\r | |
844 | );\r | |
845 | \r | |
846 | if (Status == EFI_SUCCESS) {\r | |
847 | GetSmbiosStructureSize(SmbiosRecord, &RecordSize, &NumOfStr);\r | |
848 | //\r | |
849 | // Record NumberOfSmbiosStructures, TableLength and MaxStructureSize\r | |
850 | //\r | |
0d34b1cf | 851 | EntryPointStructure->NumberOfSmbiosStructures ++;\r |
310b04e6 | 852 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + RecordSize);\r |
853 | if (RecordSize > EntryPointStructure->MaxStructureSize) {\r | |
854 | EntryPointStructure->MaxStructureSize = (UINT16) RecordSize;\r | |
855 | }\r | |
856 | }\r | |
857 | } while (!EFI_ERROR(Status));\r | |
858 | \r | |
859 | //\r | |
860 | // Create End-Of-Table structure\r | |
861 | //\r | |
862 | GetMaxSmbiosHandle(SmbiosProtocol, &SmbiosHandle);\r | |
863 | EndStructure.Header.Type = EFI_SMBIOS_TYPE_END_OF_TABLE;\r | |
864 | EndStructure.Header.Length = sizeof(EFI_SMBIOS_TABLE_HEADER);\r | |
865 | EndStructure.Header.Handle = SmbiosHandle;\r | |
866 | EndStructure.Tailing[0] = 0;\r | |
867 | EndStructure.Tailing[1] = 0;\r | |
868 | EntryPointStructure->NumberOfSmbiosStructures++;\r | |
869 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + sizeof (EndStructure));\r | |
870 | if (sizeof (EndStructure) > EntryPointStructure->MaxStructureSize) {\r | |
871 | EntryPointStructure->MaxStructureSize = (UINT16) sizeof (EndStructure);\r | |
872 | }\r | |
873 | \r | |
874 | //\r | |
875 | // Allocate memory (below 4GB)\r | |
876 | //\r | |
877 | PhysicalAddress = 0xffffffff;\r | |
878 | Status = gBS->AllocatePages (\r | |
879 | AllocateMaxAddress,\r | |
880 | EfiReservedMemoryType,\r | |
881 | EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength),\r | |
882 | &PhysicalAddress\r | |
883 | );\r | |
884 | if (EFI_ERROR (Status)) {\r | |
885 | FreePages ((VOID*)(UINTN)EntryPointStructure, EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength));\r | |
886 | EntryPointStructure = NULL;\r | |
887 | return EFI_OUT_OF_RESOURCES;\r | |
888 | }\r | |
889 | \r | |
890 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
891 | \r | |
892 | //\r | |
893 | // Assemble the tables\r | |
894 | //\r | |
895 | BufferPointer = (UINT8 *) (UINTN) PhysicalAddress;\r | |
896 | SmbiosHandle = 0;\r | |
897 | do {\r | |
898 | Status = SmbiosProtocol->GetNext (\r | |
899 | SmbiosProtocol,\r | |
900 | &SmbiosHandle,\r | |
901 | NULL,\r | |
902 | &SmbiosRecord,\r | |
903 | NULL\r | |
904 | );\r | |
905 | if (Status == EFI_SUCCESS) {\r | |
906 | GetSmbiosStructureSize(SmbiosRecord, &RecordSize, &NumOfStr);\r | |
907 | CopyMem (BufferPointer, SmbiosRecord, RecordSize);\r | |
908 | BufferPointer = BufferPointer + RecordSize;\r | |
909 | }\r | |
910 | } while (!EFI_ERROR(Status));\r | |
911 | \r | |
912 | //\r | |
913 | // Assemble End-Of-Table structure\r | |
914 | //\r | |
915 | CopyMem (BufferPointer, &EndStructure, sizeof (EndStructure));\r | |
916 | \r | |
917 | //\r | |
918 | // Fixup checksums in the Entry Point Structure\r | |
919 | //\r | |
920 | CheckSum = 0;\r | |
921 | EntryPointStructure->IntermediateChecksum = 0;\r | |
922 | for (Index = 0x10; Index < EntryPointStructure->EntryPointLength; Index++) {\r | |
923 | CheckSum = (UINT8) (CheckSum + ((UINT8 *) (EntryPointStructure))[Index]);\r | |
924 | }\r | |
925 | \r | |
926 | EntryPointStructure->IntermediateChecksum = (UINT8) (0 - CheckSum);\r | |
927 | \r | |
928 | CheckSum = 0;\r | |
929 | EntryPointStructure->EntryPointStructureChecksum = 0;\r | |
930 | for (Index = 0x0; Index < EntryPointStructure->EntryPointLength; Index++) {\r | |
931 | CheckSum = (UINT8) (CheckSum + ((UINT8 *) (EntryPointStructure))[Index]);\r | |
932 | }\r | |
933 | \r | |
934 | EntryPointStructure->EntryPointStructureChecksum = (UINT8) (0 - CheckSum);\r | |
935 | \r | |
936 | //\r | |
937 | // Returns the pointer\r | |
938 | //\r | |
939 | *TableEntryPointStructure = EntryPointStructure;\r | |
940 | \r | |
941 | return EFI_SUCCESS;\r | |
942 | }\r | |
943 | \r | |
944 | \r | |
945 | \r | |
946 | /**\r | |
947 | Installs the Smbios Table to the System Table. This function gets called\r | |
948 | when the EFI_EVENT_SIGNAL_READY_TO_BOOT gets signaled\r | |
949 | \r | |
950 | @param Event The event to signal\r | |
951 | @param Context Event contex\r | |
952 | \r | |
953 | **/\r | |
954 | VOID\r | |
955 | EFIAPI\r | |
956 | SmbiosTableConstruction (\r | |
957 | IN EFI_EVENT Event,\r | |
958 | IN VOID *Context\r | |
959 | )\r | |
960 | {\r | |
961 | UINT8 *Eps;\r | |
962 | EFI_STATUS Status;\r | |
963 | \r | |
964 | Status = SmbiosCreateTable ((VOID **) &Eps);\r | |
965 | if (!EFI_ERROR (Status)) {\r | |
966 | gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, Eps);\r | |
967 | }\r | |
968 | }\r | |
969 | \r | |
970 | \r | |
971 | /**\r | |
972 | \r | |
973 | Driver to produce Smbios protocol and register event for constructing SMBIOS table. \r | |
974 | \r | |
975 | @param ImageHandle Module's image handle\r | |
976 | @param SystemTable Pointer of EFI_SYSTEM_TABLE\r | |
977 | \r | |
978 | @retval EFI_SUCCESS Smbios protocol installed\r | |
979 | @retval Other No protocol installed, unload driver.\r | |
980 | \r | |
981 | **/\r | |
982 | EFI_STATUS\r | |
983 | EFIAPI\r | |
984 | SmbiosDriverEntryPoint (\r | |
985 | IN EFI_HANDLE ImageHandle,\r | |
986 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
987 | )\r | |
988 | {\r | |
989 | EFI_STATUS Status;\r | |
990 | EFI_EVENT ReadyToBootEvent;\r | |
991 | \r | |
992 | mPrivateData.Signature = SMBIOS_INSTANCE_SIGNATURE;\r | |
993 | mPrivateData.Smbios.Add = SmbiosAdd;\r | |
994 | mPrivateData.Smbios.UpdateString = SmbiosUpdateString;\r | |
995 | mPrivateData.Smbios.Remove = SmbiosRemove;\r | |
996 | mPrivateData.Smbios.GetNext = SmbiosGetNext;\r | |
997 | mPrivateData.Smbios.MajorVersion = SMBIOS_MAJOR_VERSION;\r | |
998 | mPrivateData.Smbios.MinorVersion = SMBIOS_MINOR_VERSION;\r | |
999 | \r | |
1000 | InitializeListHead (&mPrivateData.DataListHead);\r | |
1001 | InitializeListHead (&mPrivateData.AllocatedHandleListHead);\r | |
1002 | EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);\r | |
1003 | \r | |
1004 | //\r | |
1005 | // Make a new handle and install the protocol\r | |
1006 | //\r | |
1007 | mPrivateData.Handle = NULL;\r | |
1008 | Status = gBS->InstallProtocolInterface (\r | |
1009 | &mPrivateData.Handle,\r | |
1010 | &gEfiSmbiosProtocolGuid,\r | |
1011 | EFI_NATIVE_INTERFACE,\r | |
1012 | &mPrivateData.Smbios\r | |
1013 | );\r | |
1014 | \r | |
1015 | if (EFI_ERROR(Status)) {\r | |
1016 | return Status;\r | |
1017 | }\r | |
1018 | //\r | |
1019 | // Register the event to install SMBIOS Table into EFI System Table\r | |
1020 | //\r | |
1021 | Status = gBS->CreateEventEx (\r | |
1022 | EVT_NOTIFY_SIGNAL,\r | |
1023 | TPL_NOTIFY,\r | |
1024 | SmbiosTableConstruction,\r | |
1025 | NULL,\r | |
1026 | &gEfiEventReadyToBootGuid,\r | |
1027 | &ReadyToBootEvent\r | |
1028 | );\r | |
1029 | \r | |
1030 | return Status;\r | |
1031 | }\r |