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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 - 2015, Intel Corporation. All rights reserved.<BR>\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 "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 | UINTN mPreAllocatedPages = 0;\r | |
26 | UINTN mPre64BitAllocatedPages = 0;\r | |
27 | \r | |
28 | //\r | |
29 | // Chassis for SMBIOS entry point structure that is to be installed into EFI system config table.\r | |
30 | //\r | |
31 | SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure = NULL;\r | |
32 | SMBIOS_TABLE_ENTRY_POINT EntryPointStructureData = {\r | |
33 | //\r | |
34 | // AnchorString\r | |
35 | //\r | |
36 | {\r | |
37 | 0x5f,\r | |
38 | 0x53,\r | |
39 | 0x4d,\r | |
40 | 0x5f\r | |
41 | },\r | |
42 | //\r | |
43 | // EntryPointStructureChecksum,TO BE FILLED\r | |
44 | //\r | |
45 | 0,\r | |
46 | //\r | |
47 | // EntryPointStructure Length\r | |
48 | //\r | |
49 | 0x1f,\r | |
50 | //\r | |
51 | // MajorVersion\r | |
52 | //\r | |
53 | 0,\r | |
54 | //\r | |
55 | // MinorVersion\r | |
56 | //\r | |
57 | 0,\r | |
58 | //\r | |
59 | // MaxStructureSize, TO BE FILLED\r | |
60 | //\r | |
61 | 0,\r | |
62 | //\r | |
63 | // EntryPointRevision\r | |
64 | //\r | |
65 | 0,\r | |
66 | //\r | |
67 | // FormattedArea\r | |
68 | //\r | |
69 | {\r | |
70 | 0,\r | |
71 | 0,\r | |
72 | 0,\r | |
73 | 0,\r | |
74 | 0\r | |
75 | },\r | |
76 | //\r | |
77 | // IntermediateAnchorString\r | |
78 | //\r | |
79 | {\r | |
80 | 0x5f,\r | |
81 | 0x44,\r | |
82 | 0x4d,\r | |
83 | 0x49,\r | |
84 | 0x5f\r | |
85 | },\r | |
86 | //\r | |
87 | // IntermediateChecksum, TO BE FILLED\r | |
88 | //\r | |
89 | 0,\r | |
90 | //\r | |
91 | // TableLength, TO BE FILLED\r | |
92 | //\r | |
93 | 0,\r | |
94 | //\r | |
95 | // TableAddress, TO BE FILLED\r | |
96 | //\r | |
97 | 0,\r | |
98 | //\r | |
99 | // NumberOfSmbiosStructures, TO BE FILLED\r | |
100 | //\r | |
101 | 0,\r | |
102 | //\r | |
103 | // SmbiosBcdRevision\r | |
104 | //\r | |
105 | 0\r | |
106 | };\r | |
107 | \r | |
108 | SMBIOS_TABLE_3_0_ENTRY_POINT *Smbios30EntryPointStructure = NULL;\r | |
109 | SMBIOS_TABLE_3_0_ENTRY_POINT Smbios30EntryPointStructureData = {\r | |
110 | //\r | |
111 | // AnchorString _SM3_\r | |
112 | //\r | |
113 | {\r | |
114 | 0x5f,\r | |
115 | 0x53,\r | |
116 | 0x4d,\r | |
117 | 0x33,\r | |
118 | 0x5f,\r | |
119 | },\r | |
120 | //\r | |
121 | // EntryPointStructureChecksum,TO BE FILLED\r | |
122 | //\r | |
123 | 0,\r | |
124 | //\r | |
125 | // EntryPointLength\r | |
126 | //\r | |
127 | 0x18,\r | |
128 | //\r | |
129 | // MajorVersion\r | |
130 | //\r | |
131 | 0,\r | |
132 | //\r | |
133 | // MinorVersion\r | |
134 | //\r | |
135 | 0,\r | |
136 | //\r | |
137 | // DocRev\r | |
138 | //\r | |
139 | 0,\r | |
140 | //\r | |
141 | // EntryPointRevision\r | |
142 | //\r | |
143 | 0x01,\r | |
144 | //\r | |
145 | // Reserved\r | |
146 | //\r | |
147 | 0,\r | |
148 | //\r | |
149 | // TableMaximumSize,TO BE FILLED\r | |
150 | //\r | |
151 | 0,\r | |
152 | //\r | |
153 | // TableAddress,TO BE FILLED\r | |
154 | //\r | |
155 | 0\r | |
156 | };\r | |
157 | /**\r | |
158 | \r | |
159 | Get the full size of SMBIOS structure including optional strings that follow the formatted structure.\r | |
160 | \r | |
161 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
162 | @param Head Pointer to the beginning of SMBIOS structure.\r | |
163 | @param Size The returned size.\r | |
164 | @param NumberOfStrings The returned number of optional strings that follow the formatted structure.\r | |
165 | \r | |
166 | @retval EFI_SUCCESS Size retured in Size.\r | |
167 | @retval EFI_INVALID_PARAMETER Input SMBIOS structure mal-formed or Size is NULL.\r | |
168 | \r | |
169 | **/\r | |
170 | EFI_STATUS\r | |
171 | EFIAPI\r | |
172 | GetSmbiosStructureSize (\r | |
173 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
174 | IN EFI_SMBIOS_TABLE_HEADER *Head,\r | |
175 | OUT UINTN *Size,\r | |
176 | OUT UINTN *NumberOfStrings\r | |
177 | )\r | |
178 | {\r | |
179 | UINTN FullSize;\r | |
180 | UINTN StrLen;\r | |
181 | UINTN MaxLen;\r | |
182 | INT8* CharInStr;\r | |
183 | \r | |
184 | if (Size == NULL || NumberOfStrings == NULL) {\r | |
185 | return EFI_INVALID_PARAMETER;\r | |
186 | }\r | |
187 | \r | |
188 | FullSize = Head->Length;\r | |
189 | CharInStr = (INT8*)Head + Head->Length;\r | |
190 | *Size = FullSize;\r | |
191 | *NumberOfStrings = 0;\r | |
192 | StrLen = 0;\r | |
193 | //\r | |
194 | // look for the two consecutive zeros, check the string limit by the way.\r | |
195 | //\r | |
196 | while (*CharInStr != 0 || *(CharInStr+1) != 0) { \r | |
197 | if (*CharInStr == 0) {\r | |
198 | *Size += 1;\r | |
199 | CharInStr++;\r | |
200 | }\r | |
201 | \r | |
202 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)){\r | |
203 | MaxLen = SMBIOS_STRING_MAX_LENGTH;\r | |
204 | } else if (This->MajorVersion < 3) {\r | |
205 | //\r | |
206 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r | |
207 | // However, the length of the entire structure table (including all strings) must be reported\r | |
208 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
209 | // which is a WORD field limited to 65,535 bytes.\r | |
210 | //\r | |
211 | MaxLen = SMBIOS_TABLE_MAX_LENGTH;\r | |
212 | } else {\r | |
213 | //\r | |
214 | // SMBIOS 3.0 defines the Structure table maximum size as DWORD field limited to 0xFFFFFFFF bytes.\r | |
215 | // Locate the end of string as long as possible.\r | |
216 | //\r | |
217 | MaxLen = SMBIOS_3_0_TABLE_MAX_LENGTH;\r | |
218 | }\r | |
219 | \r | |
220 | for (StrLen = 0 ; StrLen < MaxLen; StrLen++) {\r | |
221 | if (*(CharInStr+StrLen) == 0) {\r | |
222 | break;\r | |
223 | }\r | |
224 | }\r | |
225 | \r | |
226 | if (StrLen == MaxLen) {\r | |
227 | return EFI_INVALID_PARAMETER;\r | |
228 | }\r | |
229 | \r | |
230 | //\r | |
231 | // forward the pointer\r | |
232 | //\r | |
233 | CharInStr += StrLen;\r | |
234 | *Size += StrLen;\r | |
235 | *NumberOfStrings += 1;\r | |
236 | }\r | |
237 | \r | |
238 | //\r | |
239 | // count ending two zeros.\r | |
240 | //\r | |
241 | *Size += 2;\r | |
242 | return EFI_SUCCESS;\r | |
243 | }\r | |
244 | \r | |
245 | /**\r | |
246 | \r | |
247 | Determin whether an SmbiosHandle has already in use.\r | |
248 | \r | |
249 | @param Head Pointer to the beginning of SMBIOS structure.\r | |
250 | @param Handle A unique handle will be assigned to the SMBIOS record.\r | |
251 | \r | |
252 | @retval TRUE Smbios handle already in use.\r | |
253 | @retval FALSE Smbios handle is NOT used.\r | |
254 | \r | |
255 | **/\r | |
256 | BOOLEAN\r | |
257 | EFIAPI\r | |
258 | CheckSmbiosHandleExistance (\r | |
259 | IN LIST_ENTRY *Head,\r | |
260 | IN EFI_SMBIOS_HANDLE Handle\r | |
261 | )\r | |
262 | {\r | |
263 | LIST_ENTRY *Link;\r | |
264 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
265 | \r | |
266 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
267 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
268 | if (HandleEntry->SmbiosHandle == Handle) {\r | |
269 | return TRUE;\r | |
270 | }\r | |
271 | }\r | |
272 | \r | |
273 | return FALSE;\r | |
274 | }\r | |
275 | \r | |
276 | /**\r | |
277 | \r | |
278 | Get the max SmbiosHandle that could be use.\r | |
279 | \r | |
280 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
281 | @param MaxHandle The max handle that could be assigned to the SMBIOS record.\r | |
282 | \r | |
283 | **/\r | |
284 | VOID\r | |
285 | EFIAPI\r | |
286 | GetMaxSmbiosHandle (\r | |
287 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
288 | IN OUT EFI_SMBIOS_HANDLE *MaxHandle\r | |
289 | ) \r | |
290 | {\r | |
291 | if (This->MajorVersion == 2 && This->MinorVersion == 0) {\r | |
292 | *MaxHandle = 0xFFFE;\r | |
293 | } else {\r | |
294 | *MaxHandle = 0xFEFF;\r | |
295 | }\r | |
296 | }\r | |
297 | \r | |
298 | /**\r | |
299 | \r | |
300 | Get an SmbiosHandle that could use.\r | |
301 | \r | |
302 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
303 | @param SmbiosHandle A unique handle will be assigned to the SMBIOS record.\r | |
304 | \r | |
305 | @retval EFI_SUCCESS Smbios handle got.\r | |
306 | @retval EFI_OUT_OF_RESOURCES Smbios handle is NOT available.\r | |
307 | \r | |
308 | **/\r | |
309 | EFI_STATUS\r | |
310 | EFIAPI\r | |
311 | GetAvailableSmbiosHandle (\r | |
312 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
313 | IN OUT EFI_SMBIOS_HANDLE *Handle\r | |
314 | )\r | |
315 | {\r | |
316 | LIST_ENTRY *Head;\r | |
317 | SMBIOS_INSTANCE *Private;\r | |
318 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
319 | EFI_SMBIOS_HANDLE AvailableHandle;\r | |
320 | \r | |
321 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
322 | \r | |
323 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
324 | Head = &Private->AllocatedHandleListHead;\r | |
325 | for (AvailableHandle = 0; AvailableHandle < MaxSmbiosHandle; AvailableHandle++) {\r | |
326 | if (!CheckSmbiosHandleExistance(Head, AvailableHandle)) {\r | |
327 | *Handle = AvailableHandle;\r | |
328 | return EFI_SUCCESS;\r | |
329 | }\r | |
330 | }\r | |
331 | \r | |
332 | return EFI_OUT_OF_RESOURCES;\r | |
333 | }\r | |
334 | \r | |
335 | \r | |
336 | /**\r | |
337 | Add an SMBIOS record.\r | |
338 | \r | |
339 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
340 | @param ProducerHandle The handle of the controller or driver associated with the SMBIOS information. NULL\r | |
341 | means no handle.\r | |
342 | @param SmbiosHandle On entry, the handle of the SMBIOS record to add. If FFFEh, then a unique handle\r | |
343 | will be assigned to the SMBIOS record. If the SMBIOS handle is already in use,\r | |
344 | EFI_ALREADY_STARTED is returned and the SMBIOS record is not updated.\r | |
345 | @param Record The data for the fixed portion of the SMBIOS record. The format of the record is\r | |
346 | determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined \r | |
347 | by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or \r | |
348 | a set of null terminated strings and a null.\r | |
349 | \r | |
350 | @retval EFI_SUCCESS Record was added.\r | |
351 | @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.\r | |
352 | @retval EFI_ALREADY_STARTED The SmbiosHandle passed in was already in use.\r | |
353 | \r | |
354 | **/\r | |
355 | EFI_STATUS\r | |
356 | EFIAPI\r | |
357 | SmbiosAdd (\r | |
358 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
359 | IN EFI_HANDLE ProducerHandle, OPTIONAL\r | |
360 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
361 | IN EFI_SMBIOS_TABLE_HEADER *Record\r | |
362 | )\r | |
363 | {\r | |
364 | VOID *Raw;\r | |
365 | UINTN TotalSize;\r | |
366 | UINTN RecordSize;\r | |
367 | UINTN StructureSize;\r | |
368 | UINTN NumberOfStrings;\r | |
369 | EFI_STATUS Status;\r | |
370 | LIST_ENTRY *Head;\r | |
371 | SMBIOS_INSTANCE *Private;\r | |
372 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
373 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
374 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
375 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
376 | BOOLEAN Smbios32BitTable;\r | |
377 | BOOLEAN Smbios64BitTable;\r | |
378 | \r | |
379 | if (SmbiosHandle == NULL) {\r | |
380 | return EFI_INVALID_PARAMETER;\r | |
381 | }\r | |
382 | \r | |
383 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
384 | //\r | |
385 | // Check whether SmbiosHandle is already in use\r | |
386 | //\r | |
387 | Head = &Private->AllocatedHandleListHead;\r | |
388 | if (*SmbiosHandle != SMBIOS_HANDLE_PI_RESERVED && CheckSmbiosHandleExistance(Head, *SmbiosHandle)) {\r | |
389 | return EFI_ALREADY_STARTED;\r | |
390 | }\r | |
391 | \r | |
392 | //\r | |
393 | // when SmbiosHandle is 0xFFFE, an available handle will be assigned\r | |
394 | //\r | |
395 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r | |
396 | Status = GetAvailableSmbiosHandle(This, SmbiosHandle);\r | |
397 | if (EFI_ERROR(Status)) {\r | |
398 | return Status;\r | |
399 | }\r | |
400 | } else {\r | |
401 | //\r | |
402 | // Check this handle validity\r | |
403 | //\r | |
404 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
405 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
406 | return EFI_INVALID_PARAMETER;\r | |
407 | }\r | |
408 | }\r | |
409 | \r | |
410 | //\r | |
411 | // Calculate record size and string number\r | |
412 | //\r | |
413 | Status = GetSmbiosStructureSize(This, Record, &StructureSize, &NumberOfStrings);\r | |
414 | if (EFI_ERROR(Status)) {\r | |
415 | return Status;\r | |
416 | }\r | |
417 | \r | |
418 | Smbios32BitTable = FALSE;\r | |
419 | Smbios64BitTable = FALSE;\r | |
420 | if ((This->MajorVersion < 0x3) || \r | |
421 | ((This->MajorVersion >= 0x3) && ((PcdGet32 (PcdSmbiosEntryPointProvideMethod) & BIT0) == BIT0))) {\r | |
422 | //\r | |
423 | // For SMBIOS 32-bit table, the length of the entire structure table (including all strings) must be reported\r | |
424 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
425 | // which is a WORD field limited to 65,535 bytes. So the max size of 32-bit table should not exceed 65,535 bytes.\r | |
426 | //\r | |
427 | if ((EntryPointStructure != NULL) && \r | |
428 | (EntryPointStructure->TableLength + StructureSize > SMBIOS_TABLE_MAX_LENGTH)) {\r | |
429 | DEBUG ((EFI_D_INFO, "SmbiosAdd: Total length exceeds max 32-bit table length with type = %d size = 0x%x\n", Record->Type, StructureSize));\r | |
430 | } else {\r | |
431 | Smbios32BitTable = TRUE;\r | |
432 | DEBUG ((EFI_D_INFO, "SmbiosAdd: Smbios type %d with size 0x%x is added to 32-bit table\n", Record->Type, StructureSize));\r | |
433 | }\r | |
434 | }\r | |
435 | \r | |
436 | //\r | |
437 | // For SMBIOS 3.0, Structure table maximum size in Entry Point structure is DWORD field limited to 0xFFFFFFFF bytes.\r | |
438 | //\r | |
439 | if ((This->MajorVersion >= 0x3) && ((PcdGet32 (PcdSmbiosEntryPointProvideMethod) & BIT1) == BIT1)) {\r | |
440 | //\r | |
441 | // For SMBIOS 64-bit table, Structure table maximum size in SMBIOS 3.0 (64-bit) Entry Point\r | |
442 | // is a DWORD field limited to 0xFFFFFFFF bytes. So the max size of 64-bit table should not exceed 0xFFFFFFFF bytes.\r | |
443 | //\r | |
444 | if ((Smbios30EntryPointStructure != NULL) && \r | |
445 | (Smbios30EntryPointStructure->TableMaximumSize + StructureSize > SMBIOS_3_0_TABLE_MAX_LENGTH)) {\r | |
446 | DEBUG ((EFI_D_INFO, "SmbiosAdd: Total length exceeds max 64-bit table length with type = %d size = 0x%x\n", Record->Type, StructureSize));\r | |
447 | } else {\r | |
448 | DEBUG ((EFI_D_INFO, "SmbiosAdd: Smbios type %d with size 0x%x is added to 64-bit table\n", Record->Type, StructureSize));\r | |
449 | Smbios64BitTable = TRUE;\r | |
450 | }\r | |
451 | }\r | |
452 | \r | |
453 | if ((!Smbios32BitTable) && (!Smbios64BitTable)) {\r | |
454 | //\r | |
455 | // If both 32-bit and 64-bit table are not updated, quit\r | |
456 | //\r | |
457 | return EFI_OUT_OF_RESOURCES;\r | |
458 | }\r | |
459 | \r | |
460 | //\r | |
461 | // Enter into critical section\r | |
462 | // \r | |
463 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
464 | if (EFI_ERROR (Status)) {\r | |
465 | return Status;\r | |
466 | }\r | |
467 | \r | |
468 | RecordSize = sizeof (EFI_SMBIOS_RECORD_HEADER) + StructureSize;\r | |
469 | TotalSize = sizeof (EFI_SMBIOS_ENTRY) + RecordSize;\r | |
470 | \r | |
471 | //\r | |
472 | // Allocate internal buffer\r | |
473 | //\r | |
474 | SmbiosEntry = AllocateZeroPool (TotalSize);\r | |
475 | if (SmbiosEntry == NULL) {\r | |
476 | EfiReleaseLock (&Private->DataLock);\r | |
477 | return EFI_OUT_OF_RESOURCES;\r | |
478 | }\r | |
479 | HandleEntry = AllocateZeroPool (sizeof(SMBIOS_HANDLE_ENTRY));\r | |
480 | if (HandleEntry == NULL) {\r | |
481 | EfiReleaseLock (&Private->DataLock);\r | |
482 | return EFI_OUT_OF_RESOURCES;\r | |
483 | }\r | |
484 | \r | |
485 | //\r | |
486 | // Build Handle Entry and insert into linked list\r | |
487 | //\r | |
488 | HandleEntry->Signature = SMBIOS_HANDLE_ENTRY_SIGNATURE;\r | |
489 | HandleEntry->SmbiosHandle = *SmbiosHandle;\r | |
490 | InsertTailList(&Private->AllocatedHandleListHead, &HandleEntry->Link);\r | |
491 | \r | |
492 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (SmbiosEntry + 1);\r | |
493 | Raw = (VOID *) (InternalRecord + 1);\r | |
494 | \r | |
495 | //\r | |
496 | // Build internal record Header\r | |
497 | //\r | |
498 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
499 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r | |
500 | InternalRecord->RecordSize = RecordSize;\r | |
501 | InternalRecord->ProducerHandle = ProducerHandle;\r | |
502 | InternalRecord->NumberOfStrings = NumberOfStrings;\r | |
503 | //\r | |
504 | // Insert record into the internal linked list\r | |
505 | //\r | |
506 | SmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
507 | SmbiosEntry->RecordHeader = InternalRecord;\r | |
508 | SmbiosEntry->RecordSize = TotalSize;\r | |
509 | SmbiosEntry->Smbios32BitTable = Smbios32BitTable;\r | |
510 | SmbiosEntry->Smbios64BitTable = Smbios64BitTable;\r | |
511 | InsertTailList (&Private->DataListHead, &SmbiosEntry->Link);\r | |
512 | \r | |
513 | CopyMem (Raw, Record, StructureSize);\r | |
514 | ((EFI_SMBIOS_TABLE_HEADER*)Raw)->Handle = *SmbiosHandle;\r | |
515 | \r | |
516 | //\r | |
517 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
518 | // Here we create SMBIOS table and publish it in\r | |
519 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
520 | // configuration table without depending on PI SMBIOS protocol.\r | |
521 | //\r | |
522 | SmbiosTableConstruction (Smbios32BitTable, Smbios64BitTable);\r | |
523 | \r | |
524 | //\r | |
525 | // Leave critical section\r | |
526 | //\r | |
527 | EfiReleaseLock (&Private->DataLock);\r | |
528 | return EFI_SUCCESS;\r | |
529 | }\r | |
530 | \r | |
531 | /**\r | |
532 | Update the string associated with an existing SMBIOS record.\r | |
533 | \r | |
534 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
535 | @param SmbiosHandle SMBIOS Handle of structure that will have its string updated.\r | |
536 | @param StringNumber The non-zero string number of the string to update\r | |
537 | @param String Update the StringNumber string with String.\r | |
538 | \r | |
539 | @retval EFI_SUCCESS SmbiosHandle had its StringNumber String updated.\r | |
540 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not exist.\r | |
541 | @retval EFI_UNSUPPORTED String was not added because it is longer than the SMBIOS Table supports.\r | |
542 | @retval EFI_NOT_FOUND The StringNumber.is not valid for this SMBIOS record.\r | |
543 | \r | |
544 | **/\r | |
545 | EFI_STATUS\r | |
546 | EFIAPI\r | |
547 | SmbiosUpdateString (\r | |
548 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
549 | IN EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
550 | IN UINTN *StringNumber,\r | |
551 | IN CHAR8 *String\r | |
552 | )\r | |
553 | {\r | |
554 | UINTN InputStrLen;\r | |
555 | UINTN TargetStrLen;\r | |
556 | UINTN StrIndex;\r | |
557 | UINTN TargetStrOffset;\r | |
558 | UINTN NewEntrySize;\r | |
559 | CHAR8 *StrStart;\r | |
560 | VOID *Raw;\r | |
561 | LIST_ENTRY *Link;\r | |
562 | LIST_ENTRY *Head;\r | |
563 | EFI_STATUS Status;\r | |
564 | SMBIOS_INSTANCE *Private;\r | |
565 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
566 | EFI_SMBIOS_ENTRY *ResizedSmbiosEntry;\r | |
567 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
568 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
569 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
570 | \r | |
571 | //\r | |
572 | // Check args validity\r | |
573 | //\r | |
574 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
575 | \r | |
576 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
577 | return EFI_INVALID_PARAMETER;\r | |
578 | }\r | |
579 | \r | |
580 | if (String == NULL) {\r | |
581 | return EFI_ABORTED;\r | |
582 | }\r | |
583 | \r | |
584 | if (*StringNumber == 0) {\r | |
585 | return EFI_NOT_FOUND;\r | |
586 | }\r | |
587 | \r | |
588 | InputStrLen = AsciiStrLen(String);\r | |
589 | \r | |
590 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)) {\r | |
591 | if (InputStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
592 | return EFI_UNSUPPORTED;\r | |
593 | }\r | |
594 | } else if (This->MajorVersion < 3) {\r | |
595 | //\r | |
596 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r | |
597 | // However, the length of the entire structure table (including all strings) must be reported \r | |
598 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
599 | // which is a WORD field limited to 65,535 bytes.\r | |
600 | //\r | |
601 | if (InputStrLen > SMBIOS_TABLE_MAX_LENGTH) {\r | |
602 | return EFI_UNSUPPORTED;\r | |
603 | }\r | |
604 | } else {\r | |
605 | if (InputStrLen > SMBIOS_3_0_TABLE_MAX_LENGTH) {\r | |
606 | //\r | |
607 | // SMBIOS 3.0 defines the Structure table maximum size as DWORD field limited to 0xFFFFFFFF bytes.\r | |
608 | // The input string length should not exceed 0xFFFFFFFF bytes.\r | |
609 | // \r | |
610 | return EFI_UNSUPPORTED;\r | |
611 | }\r | |
612 | }\r | |
613 | \r | |
614 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
615 | //\r | |
616 | // Enter into critical section\r | |
617 | // \r | |
618 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
619 | if (EFI_ERROR (Status)) {\r | |
620 | return Status;\r | |
621 | }\r | |
622 | \r | |
623 | Head = &Private->DataListHead;\r | |
624 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
625 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
626 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
627 | \r | |
628 | if (Record->Handle == *SmbiosHandle) {\r | |
629 | //\r | |
630 | // Find out the specified SMBIOS record\r | |
631 | //\r | |
632 | if (*StringNumber > SmbiosEntry->RecordHeader->NumberOfStrings) {\r | |
633 | EfiReleaseLock (&Private->DataLock);\r | |
634 | return EFI_NOT_FOUND;\r | |
635 | }\r | |
636 | //\r | |
637 | // Point to unformed string section\r | |
638 | //\r | |
639 | StrStart = (CHAR8 *) Record + Record->Length;\r | |
640 | \r | |
641 | for (StrIndex = 1, TargetStrOffset = 0; StrIndex < *StringNumber; StrStart++, TargetStrOffset++) {\r | |
642 | //\r | |
643 | // A string ends in 00h\r | |
644 | //\r | |
645 | if (*StrStart == 0) {\r | |
646 | StrIndex++;\r | |
647 | }\r | |
648 | \r | |
649 | //\r | |
650 | // String section ends in double-null (0000h)\r | |
651 | //\r | |
652 | if (*StrStart == 0 && *(StrStart + 1) == 0) {\r | |
653 | EfiReleaseLock (&Private->DataLock);\r | |
654 | return EFI_NOT_FOUND;\r | |
655 | } \r | |
656 | }\r | |
657 | \r | |
658 | if (*StrStart == 0) {\r | |
659 | StrStart++;\r | |
660 | TargetStrOffset++;\r | |
661 | }\r | |
662 | \r | |
663 | //\r | |
664 | // Now we get the string target\r | |
665 | //\r | |
666 | TargetStrLen = AsciiStrLen(StrStart);\r | |
667 | if (InputStrLen == TargetStrLen) {\r | |
668 | AsciiStrCpyS(StrStart, TargetStrLen + 1, String);\r | |
669 | //\r | |
670 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
671 | // Here we create SMBIOS table and publish it in\r | |
672 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
673 | // configuration table without depending on PI SMBIOS protocol.\r | |
674 | //\r | |
675 | SmbiosTableConstruction (SmbiosEntry->Smbios32BitTable, SmbiosEntry->Smbios64BitTable);\r | |
676 | EfiReleaseLock (&Private->DataLock);\r | |
677 | return EFI_SUCCESS;\r | |
678 | }\r | |
679 | \r | |
680 | SmbiosEntry->Smbios32BitTable = FALSE;\r | |
681 | SmbiosEntry->Smbios64BitTable = FALSE;\r | |
682 | if ((This->MajorVersion < 0x3) || \r | |
683 | ((This->MajorVersion >= 0x3) && ((PcdGet32 (PcdSmbiosEntryPointProvideMethod) & BIT0) == BIT0))) {\r | |
684 | //\r | |
685 | // 32-bit table is produced, check the valid length.\r | |
686 | //\r | |
687 | if ((EntryPointStructure != NULL) && \r | |
688 | (EntryPointStructure->TableLength + InputStrLen - TargetStrLen > SMBIOS_TABLE_MAX_LENGTH)) {\r | |
689 | //\r | |
690 | // The length of the entire structure table (including all strings) must be reported\r | |
691 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
692 | // which is a WORD field limited to 65,535 bytes.\r | |
693 | //\r | |
694 | DEBUG ((EFI_D_INFO, "SmbiosUpdateString: Total length exceeds max 32-bit table length\n"));\r | |
695 | } else {\r | |
696 | DEBUG ((EFI_D_INFO, "SmbiosUpdateString: New smbios record add to 32-bit table\n"));\r | |
697 | SmbiosEntry->Smbios32BitTable = TRUE;\r | |
698 | }\r | |
699 | } \r | |
700 | \r | |
701 | if ((This->MajorVersion >= 0x3) && ((PcdGet32 (PcdSmbiosEntryPointProvideMethod) & BIT1) == BIT1)) {\r | |
702 | //\r | |
703 | // 64-bit table is produced, check the valid length.\r | |
704 | //\r | |
705 | if ((Smbios30EntryPointStructure != NULL) && \r | |
706 | (Smbios30EntryPointStructure->TableMaximumSize + InputStrLen - TargetStrLen > SMBIOS_3_0_TABLE_MAX_LENGTH)) {\r | |
707 | DEBUG ((EFI_D_INFO, "SmbiosUpdateString: Total length exceeds max 64-bit table length\n"));\r | |
708 | } else {\r | |
709 | DEBUG ((EFI_D_INFO, "SmbiosUpdateString: New smbios record add to 64-bit table\n"));\r | |
710 | SmbiosEntry->Smbios64BitTable = TRUE;\r | |
711 | }\r | |
712 | }\r | |
713 | \r | |
714 | if ((!SmbiosEntry->Smbios32BitTable) && (!SmbiosEntry->Smbios64BitTable)) {\r | |
715 | EfiReleaseLock (&Private->DataLock);\r | |
716 | return EFI_UNSUPPORTED;\r | |
717 | }\r | |
718 | \r | |
719 | //\r | |
720 | // Original string buffer size is not exactly match input string length.\r | |
721 | // Re-allocate buffer is needed.\r | |
722 | //\r | |
723 | NewEntrySize = SmbiosEntry->RecordSize + InputStrLen - TargetStrLen;\r | |
724 | ResizedSmbiosEntry = AllocateZeroPool (NewEntrySize);\r | |
725 | \r | |
726 | if (ResizedSmbiosEntry == NULL) {\r | |
727 | EfiReleaseLock (&Private->DataLock);\r | |
728 | return EFI_OUT_OF_RESOURCES;\r | |
729 | }\r | |
730 | \r | |
731 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (ResizedSmbiosEntry + 1);\r | |
732 | Raw = (VOID *) (InternalRecord + 1);\r | |
733 | \r | |
734 | //\r | |
735 | // Build internal record Header\r | |
736 | //\r | |
737 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
738 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r | |
739 | InternalRecord->RecordSize = SmbiosEntry->RecordHeader->RecordSize + InputStrLen - TargetStrLen;\r | |
740 | InternalRecord->ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
741 | InternalRecord->NumberOfStrings = SmbiosEntry->RecordHeader->NumberOfStrings;\r | |
742 | \r | |
743 | //\r | |
744 | // Copy SMBIOS structure and optional strings.\r | |
745 | //\r | |
746 | CopyMem (Raw, SmbiosEntry->RecordHeader + 1, Record->Length + TargetStrOffset);\r | |
747 | CopyMem ((VOID*)((UINTN)Raw + Record->Length + TargetStrOffset), String, InputStrLen + 1);\r | |
748 | CopyMem ((CHAR8*)((UINTN)Raw + Record->Length + TargetStrOffset + InputStrLen + 1),\r | |
749 | (CHAR8*)Record + Record->Length + TargetStrOffset + TargetStrLen + 1,\r | |
750 | SmbiosEntry->RecordHeader->RecordSize - sizeof (EFI_SMBIOS_RECORD_HEADER) - Record->Length - TargetStrOffset - TargetStrLen - 1);\r | |
751 | \r | |
752 | //\r | |
753 | // Insert new record\r | |
754 | //\r | |
755 | ResizedSmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
756 | ResizedSmbiosEntry->RecordHeader = InternalRecord;\r | |
757 | ResizedSmbiosEntry->RecordSize = NewEntrySize;\r | |
758 | ResizedSmbiosEntry->Smbios32BitTable = SmbiosEntry->Smbios32BitTable;\r | |
759 | ResizedSmbiosEntry->Smbios64BitTable = SmbiosEntry->Smbios64BitTable;\r | |
760 | InsertTailList (Link->ForwardLink, &ResizedSmbiosEntry->Link);\r | |
761 | \r | |
762 | //\r | |
763 | // Remove old record\r | |
764 | //\r | |
765 | RemoveEntryList(Link);\r | |
766 | FreePool(SmbiosEntry);\r | |
767 | //\r | |
768 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
769 | // Here we create SMBIOS table and publish it in\r | |
770 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
771 | // configuration table without depending on PI SMBIOS protocol.\r | |
772 | //\r | |
773 | SmbiosTableConstruction (ResizedSmbiosEntry->Smbios32BitTable, ResizedSmbiosEntry->Smbios64BitTable);\r | |
774 | EfiReleaseLock (&Private->DataLock);\r | |
775 | return EFI_SUCCESS;\r | |
776 | }\r | |
777 | }\r | |
778 | \r | |
779 | EfiReleaseLock (&Private->DataLock);\r | |
780 | return EFI_INVALID_PARAMETER;\r | |
781 | }\r | |
782 | \r | |
783 | /**\r | |
784 | Remove an SMBIOS record.\r | |
785 | \r | |
786 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
787 | @param SmbiosHandle The handle of the SMBIOS record to remove.\r | |
788 | \r | |
789 | @retval EFI_SUCCESS SMBIOS record was removed.\r | |
790 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not specify a valid SMBIOS record.\r | |
791 | \r | |
792 | **/\r | |
793 | EFI_STATUS\r | |
794 | EFIAPI\r | |
795 | SmbiosRemove (\r | |
796 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
797 | IN EFI_SMBIOS_HANDLE SmbiosHandle\r | |
798 | )\r | |
799 | {\r | |
800 | LIST_ENTRY *Link;\r | |
801 | LIST_ENTRY *Head;\r | |
802 | EFI_STATUS Status;\r | |
803 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
804 | SMBIOS_INSTANCE *Private;\r | |
805 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
806 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
807 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
808 | \r | |
809 | //\r | |
810 | // Check args validity\r | |
811 | //\r | |
812 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
813 | \r | |
814 | if (SmbiosHandle > MaxSmbiosHandle) {\r | |
815 | return EFI_INVALID_PARAMETER;\r | |
816 | }\r | |
817 | \r | |
818 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
819 | //\r | |
820 | // Enter into critical section\r | |
821 | // \r | |
822 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
823 | if (EFI_ERROR (Status)) {\r | |
824 | return Status;\r | |
825 | }\r | |
826 | \r | |
827 | Head = &Private->DataListHead;\r | |
828 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
829 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
830 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
831 | if (Record->Handle == SmbiosHandle) {\r | |
832 | //\r | |
833 | // Remove specified smobios record from DataList\r | |
834 | //\r | |
835 | RemoveEntryList(Link);\r | |
836 | // \r | |
837 | // Remove this handle from AllocatedHandleList\r | |
838 | //\r | |
839 | Head = &Private->AllocatedHandleListHead;\r | |
840 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
841 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
842 | if (HandleEntry->SmbiosHandle == SmbiosHandle) {\r | |
843 | RemoveEntryList(Link);\r | |
844 | FreePool(HandleEntry);\r | |
845 | break;\r | |
846 | }\r | |
847 | }\r | |
848 | //\r | |
849 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
850 | // Here we create SMBIOS table and publish it in\r | |
851 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
852 | // configuration table without depending on PI SMBIOS protocol.\r | |
853 | //\r | |
854 | if (SmbiosEntry->Smbios32BitTable) {\r | |
855 | DEBUG ((EFI_D_INFO, "SmbiosRemove: remove from 32-bit table\n"));\r | |
856 | }\r | |
857 | if (SmbiosEntry->Smbios64BitTable) {\r | |
858 | DEBUG ((EFI_D_INFO, "SmbiosRemove: remove from 64-bit table\n"));\r | |
859 | }\r | |
860 | //\r | |
861 | // Update the whole SMBIOS table again based on which table the removed SMBIOS record is in.\r | |
862 | //\r | |
863 | SmbiosTableConstruction (SmbiosEntry->Smbios32BitTable, SmbiosEntry->Smbios64BitTable);\r | |
864 | FreePool(SmbiosEntry);\r | |
865 | EfiReleaseLock (&Private->DataLock);\r | |
866 | return EFI_SUCCESS;\r | |
867 | }\r | |
868 | }\r | |
869 | \r | |
870 | //\r | |
871 | // Leave critical section\r | |
872 | //\r | |
873 | EfiReleaseLock (&Private->DataLock);\r | |
874 | return EFI_INVALID_PARAMETER;\r | |
875 | \r | |
876 | }\r | |
877 | \r | |
878 | /**\r | |
879 | Allow the caller to discover all or some of the SMBIOS records.\r | |
880 | \r | |
881 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
882 | @param SmbiosHandle On entry, points to the previous handle of the SMBIOS record. On exit, points to the\r | |
883 | next SMBIOS record handle. If it is FFFEh on entry, then the first SMBIOS record\r | |
884 | handle will be returned. If it returns FFFEh on exit, then there are no more SMBIOS records.\r | |
885 | @param Type On entry it means return the next SMBIOS record of type Type. If a NULL is passed in \r | |
886 | this functionally it ignored. Type is not modified by the GetNext() function.\r | |
887 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
888 | the unformatted area. The unformatted area optionally contains text strings.\r | |
889 | @param ProducerHandle On exit, points to the ProducerHandle registered by Add(). If no ProducerHandle was passed into Add() NULL is returned. \r | |
890 | If a NULL pointer is passed in no data will be returned \r | |
891 | \r | |
892 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
893 | @retval EFI_NOT_FOUND The SMBIOS record with SmbiosHandle was the last available record.\r | |
894 | \r | |
895 | **/\r | |
896 | EFI_STATUS\r | |
897 | EFIAPI\r | |
898 | SmbiosGetNext (\r | |
899 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
900 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
901 | IN EFI_SMBIOS_TYPE *Type, OPTIONAL\r | |
902 | OUT EFI_SMBIOS_TABLE_HEADER **Record,\r | |
903 | OUT EFI_HANDLE *ProducerHandle OPTIONAL\r | |
904 | )\r | |
905 | {\r | |
906 | BOOLEAN StartPointFound;\r | |
907 | LIST_ENTRY *Link;\r | |
908 | LIST_ENTRY *Head;\r | |
909 | SMBIOS_INSTANCE *Private;\r | |
910 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
911 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
912 | \r | |
913 | if (SmbiosHandle == NULL) {\r | |
914 | return EFI_INVALID_PARAMETER;\r | |
915 | }\r | |
916 | \r | |
917 | StartPointFound = FALSE;\r | |
918 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
919 | Head = &Private->DataListHead;\r | |
920 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
921 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
922 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1); \r | |
923 | \r | |
924 | //\r | |
925 | // If SmbiosHandle is 0xFFFE, the first matched SMBIOS record handle will be returned\r | |
926 | //\r | |
927 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r | |
928 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
929 | continue; \r | |
930 | }\r | |
931 | \r | |
932 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
933 | *Record =SmbiosTableHeader;\r | |
934 | if (ProducerHandle != NULL) {\r | |
935 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
936 | }\r | |
937 | return EFI_SUCCESS;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // Start this round search from the next SMBIOS handle\r | |
942 | //\r | |
943 | if (!StartPointFound && (*SmbiosHandle == SmbiosTableHeader->Handle)) {\r | |
944 | StartPointFound = TRUE;\r | |
945 | continue;\r | |
946 | }\r | |
947 | \r | |
948 | if (StartPointFound) {\r | |
949 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
950 | continue; \r | |
951 | }\r | |
952 | \r | |
953 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
954 | *Record = SmbiosTableHeader; \r | |
955 | if (ProducerHandle != NULL) {\r | |
956 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
957 | }\r | |
958 | \r | |
959 | return EFI_SUCCESS; \r | |
960 | }\r | |
961 | }\r | |
962 | \r | |
963 | *SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r | |
964 | return EFI_NOT_FOUND;\r | |
965 | \r | |
966 | }\r | |
967 | \r | |
968 | /**\r | |
969 | Allow the caller to discover all of the SMBIOS records.\r | |
970 | \r | |
971 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
972 | @param CurrentSmbiosEntry On exit, points to the SMBIOS entry on the list which includes the returned SMBIOS record information. \r | |
973 | If *CurrentSmbiosEntry is NULL on entry, then the first SMBIOS entry on the list will be returned. \r | |
974 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
975 | the unformatted area. The unformatted area optionally contains text strings.\r | |
976 | \r | |
977 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
978 | *CurrentSmbiosEntry points to the SMBIOS entry which includes the returned SMBIOS record information.\r | |
979 | @retval EFI_NOT_FOUND There is no more SMBIOS entry.\r | |
980 | \r | |
981 | **/\r | |
982 | EFI_STATUS\r | |
983 | EFIAPI\r | |
984 | GetNextSmbiosRecord (\r | |
985 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
986 | IN OUT EFI_SMBIOS_ENTRY **CurrentSmbiosEntry,\r | |
987 | OUT EFI_SMBIOS_TABLE_HEADER **Record\r | |
988 | )\r | |
989 | {\r | |
990 | LIST_ENTRY *Link;\r | |
991 | LIST_ENTRY *Head;\r | |
992 | SMBIOS_INSTANCE *Private;\r | |
993 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
994 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
995 | \r | |
996 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
997 | if (*CurrentSmbiosEntry == NULL) {\r | |
998 | //\r | |
999 | // Get the beginning of SMBIOS entry.\r | |
1000 | //\r | |
1001 | Head = &Private->DataListHead;\r | |
1002 | } else {\r | |
1003 | //\r | |
1004 | // Get previous SMBIOS entry and make it as start point.\r | |
1005 | //\r | |
1006 | Head = &(*CurrentSmbiosEntry)->Link;\r | |
1007 | }\r | |
1008 | \r | |
1009 | Link = Head->ForwardLink;\r | |
1010 | \r | |
1011 | if (Link == &Private->DataListHead) {\r | |
1012 | //\r | |
1013 | // If no more SMBIOS entry in the list, return not found.\r | |
1014 | //\r | |
1015 | return EFI_NOT_FOUND;\r | |
1016 | }\r | |
1017 | \r | |
1018 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
1019 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
1020 | *Record = SmbiosTableHeader; \r | |
1021 | *CurrentSmbiosEntry = SmbiosEntry;\r | |
1022 | return EFI_SUCCESS; \r | |
1023 | }\r | |
1024 | \r | |
1025 | /**\r | |
1026 | Assembles SMBIOS table from the SMBIOS protocol. Produce Table\r | |
1027 | Entry Point and return the pointer to it.\r | |
1028 | \r | |
1029 | @param TableEntryPointStructure On exit, points to the SMBIOS entrypoint structure.\r | |
1030 | \r | |
1031 | @retval EFI_SUCCESS Structure created sucessfully.\r | |
1032 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
1033 | \r | |
1034 | **/\r | |
1035 | EFI_STATUS\r | |
1036 | EFIAPI\r | |
1037 | SmbiosCreateTable (\r | |
1038 | OUT VOID **TableEntryPointStructure\r | |
1039 | )\r | |
1040 | {\r | |
1041 | UINT8 *BufferPointer;\r | |
1042 | UINTN RecordSize;\r | |
1043 | UINTN NumOfStr;\r | |
1044 | EFI_STATUS Status;\r | |
1045 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
1046 | EFI_SMBIOS_PROTOCOL *SmbiosProtocol;\r | |
1047 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r | |
1048 | EFI_SMBIOS_TABLE_HEADER *SmbiosRecord;\r | |
1049 | EFI_SMBIOS_TABLE_END_STRUCTURE EndStructure;\r | |
1050 | EFI_SMBIOS_ENTRY *CurrentSmbiosEntry;\r | |
1051 | \r | |
1052 | Status = EFI_SUCCESS;\r | |
1053 | BufferPointer = NULL;\r | |
1054 | \r | |
1055 | if (EntryPointStructure == NULL) {\r | |
1056 | //\r | |
1057 | // Initialize the EntryPointStructure with initial values.\r | |
1058 | // It should be done only once.\r | |
1059 | // Allocate memory (below 4GB).\r | |
1060 | //\r | |
1061 | DEBUG ((EFI_D_INFO, "SmbiosCreateTable: Initialize 32-bit entry point structure\n"));\r | |
1062 | EntryPointStructureData.MajorVersion = mPrivateData.Smbios.MajorVersion;\r | |
1063 | EntryPointStructureData.MinorVersion = mPrivateData.Smbios.MinorVersion;\r | |
1064 | EntryPointStructureData.SmbiosBcdRevision = (UINT8) ((PcdGet16 (PcdSmbiosVersion) >> 4) & 0xf0) | (UINT8) (PcdGet16 (PcdSmbiosVersion) & 0x0f);\r | |
1065 | PhysicalAddress = 0xffffffff;\r | |
1066 | Status = gBS->AllocatePages (\r | |
1067 | AllocateMaxAddress,\r | |
1068 | EfiRuntimeServicesData,\r | |
1069 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1070 | &PhysicalAddress\r | |
1071 | );\r | |
1072 | if (EFI_ERROR (Status)) {\r | |
1073 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable () could not allocate EntryPointStructure < 4GB\n"));\r | |
1074 | Status = gBS->AllocatePages (\r | |
1075 | AllocateAnyPages,\r | |
1076 | EfiRuntimeServicesData,\r | |
1077 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1078 | &PhysicalAddress\r | |
1079 | );\r | |
1080 | if (EFI_ERROR (Status)) {\r | |
1081 | return EFI_OUT_OF_RESOURCES;\r | |
1082 | }\r | |
1083 | }\r | |
1084 | \r | |
1085 | EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) (UINTN) PhysicalAddress;\r | |
1086 | \r | |
1087 | CopyMem (\r | |
1088 | EntryPointStructure,\r | |
1089 | &EntryPointStructureData,\r | |
1090 | sizeof (SMBIOS_TABLE_ENTRY_POINT)\r | |
1091 | );\r | |
1092 | }\r | |
1093 | \r | |
1094 | //\r | |
1095 | // Get Smbios protocol to traverse SMBIOS records.\r | |
1096 | //\r | |
1097 | SmbiosProtocol = &mPrivateData.Smbios;\r | |
1098 | \r | |
1099 | //\r | |
1100 | // Make some statistics about all the structures\r | |
1101 | //\r | |
1102 | EntryPointStructure->NumberOfSmbiosStructures = 0;\r | |
1103 | EntryPointStructure->TableLength = 0;\r | |
1104 | EntryPointStructure->MaxStructureSize = 0;\r | |
1105 | \r | |
1106 | //\r | |
1107 | // Calculate EPS Table Length\r | |
1108 | //\r | |
1109 | CurrentSmbiosEntry = NULL;\r | |
1110 | do {\r | |
1111 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r | |
1112 | \r | |
1113 | if ((Status == EFI_SUCCESS) && (CurrentSmbiosEntry->Smbios32BitTable)) {\r | |
1114 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r | |
1115 | //\r | |
1116 | // Record NumberOfSmbiosStructures, TableLength and MaxStructureSize\r | |
1117 | //\r | |
1118 | EntryPointStructure->NumberOfSmbiosStructures++;\r | |
1119 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + RecordSize);\r | |
1120 | if (RecordSize > EntryPointStructure->MaxStructureSize) {\r | |
1121 | EntryPointStructure->MaxStructureSize = (UINT16) RecordSize;\r | |
1122 | }\r | |
1123 | }\r | |
1124 | } while (!EFI_ERROR(Status));\r | |
1125 | \r | |
1126 | //\r | |
1127 | // Create End-Of-Table structure\r | |
1128 | //\r | |
1129 | GetMaxSmbiosHandle(SmbiosProtocol, &SmbiosHandle);\r | |
1130 | EndStructure.Header.Type = EFI_SMBIOS_TYPE_END_OF_TABLE;\r | |
1131 | EndStructure.Header.Length = (UINT8) sizeof (EFI_SMBIOS_TABLE_HEADER);\r | |
1132 | EndStructure.Header.Handle = SmbiosHandle;\r | |
1133 | EndStructure.Tailing[0] = 0;\r | |
1134 | EndStructure.Tailing[1] = 0;\r | |
1135 | EntryPointStructure->NumberOfSmbiosStructures++;\r | |
1136 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + sizeof (EndStructure));\r | |
1137 | if (sizeof (EndStructure) > EntryPointStructure->MaxStructureSize) {\r | |
1138 | EntryPointStructure->MaxStructureSize = (UINT16) sizeof (EndStructure);\r | |
1139 | }\r | |
1140 | \r | |
1141 | if ((UINTN) EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength) > mPreAllocatedPages) {\r | |
1142 | //\r | |
1143 | // If new SMBIOS table size exceeds the previous allocated page, \r | |
1144 | // it is time to re-allocate memory (below 4GB).\r | |
1145 | // \r | |
1146 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable() re-allocate SMBIOS 32-bit table\n"));\r | |
1147 | if (EntryPointStructure->TableAddress != 0) {\r | |
1148 | //\r | |
1149 | // Free the previous allocated page\r | |
1150 | // \r | |
1151 | FreePages (\r | |
1152 | (VOID*)(UINTN)EntryPointStructure->TableAddress,\r | |
1153 | mPreAllocatedPages\r | |
1154 | );\r | |
1155 | EntryPointStructure->TableAddress = 0;\r | |
1156 | mPreAllocatedPages = 0;\r | |
1157 | }\r | |
1158 | \r | |
1159 | PhysicalAddress = 0xffffffff;\r | |
1160 | Status = gBS->AllocatePages (\r | |
1161 | AllocateMaxAddress,\r | |
1162 | EfiRuntimeServicesData,\r | |
1163 | EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength),\r | |
1164 | &PhysicalAddress\r | |
1165 | );\r | |
1166 | if (EFI_ERROR (Status)) {\r | |
1167 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable() could not allocate SMBIOS table < 4GB\n"));\r | |
1168 | EntryPointStructure->TableAddress = 0;\r | |
1169 | return EFI_OUT_OF_RESOURCES;\r | |
1170 | } else {\r | |
1171 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
1172 | mPreAllocatedPages = EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength);\r | |
1173 | }\r | |
1174 | }\r | |
1175 | \r | |
1176 | //\r | |
1177 | // Assemble the tables\r | |
1178 | //\r | |
1179 | ASSERT (EntryPointStructure->TableAddress != 0);\r | |
1180 | BufferPointer = (UINT8 *) (UINTN) EntryPointStructure->TableAddress;\r | |
1181 | CurrentSmbiosEntry = NULL;\r | |
1182 | do {\r | |
1183 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r | |
1184 | \r | |
1185 | if ((Status == EFI_SUCCESS) && (CurrentSmbiosEntry->Smbios32BitTable)) {\r | |
1186 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r | |
1187 | CopyMem (BufferPointer, SmbiosRecord, RecordSize);\r | |
1188 | BufferPointer = BufferPointer + RecordSize;\r | |
1189 | }\r | |
1190 | } while (!EFI_ERROR(Status));\r | |
1191 | \r | |
1192 | //\r | |
1193 | // Assemble End-Of-Table structure\r | |
1194 | //\r | |
1195 | CopyMem (BufferPointer, &EndStructure, sizeof (EndStructure));\r | |
1196 | \r | |
1197 | //\r | |
1198 | // Fixup checksums in the Entry Point Structure\r | |
1199 | //\r | |
1200 | EntryPointStructure->IntermediateChecksum = 0;\r | |
1201 | EntryPointStructure->EntryPointStructureChecksum = 0;\r | |
1202 | \r | |
1203 | EntryPointStructure->IntermediateChecksum =\r | |
1204 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure + 0x10, EntryPointStructure->EntryPointLength - 0x10);\r | |
1205 | EntryPointStructure->EntryPointStructureChecksum =\r | |
1206 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure, EntryPointStructure->EntryPointLength);\r | |
1207 | \r | |
1208 | //\r | |
1209 | // Returns the pointer\r | |
1210 | //\r | |
1211 | *TableEntryPointStructure = EntryPointStructure;\r | |
1212 | \r | |
1213 | return EFI_SUCCESS;\r | |
1214 | }\r | |
1215 | \r | |
1216 | /**\r | |
1217 | Assembles SMBIOS 64-bit table from the SMBIOS protocol. Produce Table\r | |
1218 | Entry Point and return the pointer to it.\r | |
1219 | \r | |
1220 | @param TableEntryPointStructure On exit, points to the SMBIOS entrypoint structure.\r | |
1221 | \r | |
1222 | @retval EFI_SUCCESS Structure created sucessfully.\r | |
1223 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
1224 | \r | |
1225 | **/\r | |
1226 | EFI_STATUS\r | |
1227 | EFIAPI\r | |
1228 | SmbiosCreate64BitTable (\r | |
1229 | OUT VOID **TableEntryPointStructure\r | |
1230 | )\r | |
1231 | {\r | |
1232 | UINT8 *BufferPointer;\r | |
1233 | UINTN RecordSize;\r | |
1234 | UINTN NumOfStr;\r | |
1235 | EFI_STATUS Status;\r | |
1236 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
1237 | EFI_SMBIOS_PROTOCOL *SmbiosProtocol;\r | |
1238 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r | |
1239 | EFI_SMBIOS_TABLE_HEADER *SmbiosRecord;\r | |
1240 | EFI_SMBIOS_TABLE_END_STRUCTURE EndStructure;\r | |
1241 | EFI_SMBIOS_ENTRY *CurrentSmbiosEntry;\r | |
1242 | \r | |
1243 | Status = EFI_SUCCESS;\r | |
1244 | BufferPointer = NULL;\r | |
1245 | \r | |
1246 | if (Smbios30EntryPointStructure == NULL) {\r | |
1247 | //\r | |
1248 | // Initialize the Smbios30EntryPointStructure with initial values.\r | |
1249 | // It should be done only once.\r | |
1250 | // Allocate memory at any address.\r | |
1251 | //\r | |
1252 | DEBUG ((EFI_D_INFO, "SmbiosCreateTable: Initialize 64-bit entry point structure\n"));\r | |
1253 | Smbios30EntryPointStructureData.MajorVersion = mPrivateData.Smbios.MajorVersion;\r | |
1254 | Smbios30EntryPointStructureData.MinorVersion = mPrivateData.Smbios.MinorVersion;\r | |
1255 | Smbios30EntryPointStructureData.DocRev = PcdGet8 (PcdSmbiosDocRev);\r | |
1256 | Status = gBS->AllocatePages (\r | |
1257 | AllocateAnyPages,\r | |
1258 | EfiRuntimeServicesData,\r | |
1259 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_3_0_ENTRY_POINT)),\r | |
1260 | &PhysicalAddress\r | |
1261 | );\r | |
1262 | if (EFI_ERROR (Status)) {\r | |
1263 | DEBUG ((EFI_D_ERROR, "SmbiosCreate64BitTable() could not allocate Smbios30EntryPointStructure\n"));\r | |
1264 | return EFI_OUT_OF_RESOURCES;\r | |
1265 | }\r | |
1266 | \r | |
1267 | Smbios30EntryPointStructure = (SMBIOS_TABLE_3_0_ENTRY_POINT *) (UINTN) PhysicalAddress;\r | |
1268 | \r | |
1269 | CopyMem (\r | |
1270 | Smbios30EntryPointStructure,\r | |
1271 | &Smbios30EntryPointStructureData,\r | |
1272 | sizeof (SMBIOS_TABLE_3_0_ENTRY_POINT)\r | |
1273 | );\r | |
1274 | }\r | |
1275 | \r | |
1276 | //\r | |
1277 | // Get Smbios protocol to traverse SMBIOS records.\r | |
1278 | //\r | |
1279 | SmbiosProtocol = &mPrivateData.Smbios;\r | |
1280 | Smbios30EntryPointStructure->TableMaximumSize = 0;\r | |
1281 | \r | |
1282 | //\r | |
1283 | // Calculate EPS Table Length\r | |
1284 | //\r | |
1285 | CurrentSmbiosEntry = NULL;\r | |
1286 | do {\r | |
1287 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r | |
1288 | \r | |
1289 | if ((Status == EFI_SUCCESS) && (CurrentSmbiosEntry->Smbios64BitTable)) {\r | |
1290 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r | |
1291 | //\r | |
1292 | // Record TableMaximumSize\r | |
1293 | //\r | |
1294 | Smbios30EntryPointStructure->TableMaximumSize = (UINT32) (Smbios30EntryPointStructure->TableMaximumSize + RecordSize);\r | |
1295 | }\r | |
1296 | } while (!EFI_ERROR(Status));\r | |
1297 | \r | |
1298 | //\r | |
1299 | // Create End-Of-Table structure\r | |
1300 | //\r | |
1301 | GetMaxSmbiosHandle(SmbiosProtocol, &SmbiosHandle);\r | |
1302 | EndStructure.Header.Type = EFI_SMBIOS_TYPE_END_OF_TABLE;\r | |
1303 | EndStructure.Header.Length = (UINT8) sizeof (EFI_SMBIOS_TABLE_HEADER);\r | |
1304 | EndStructure.Header.Handle = SmbiosHandle;\r | |
1305 | EndStructure.Tailing[0] = 0;\r | |
1306 | EndStructure.Tailing[1] = 0;\r | |
1307 | Smbios30EntryPointStructure->TableMaximumSize = (UINT32) (Smbios30EntryPointStructure->TableMaximumSize + sizeof (EndStructure));\r | |
1308 | \r | |
1309 | if ((UINTN) EFI_SIZE_TO_PAGES (Smbios30EntryPointStructure->TableMaximumSize) > mPre64BitAllocatedPages) {\r | |
1310 | //\r | |
1311 | // If new SMBIOS table size exceeds the previous allocated page, \r | |
1312 | // it is time to re-allocate memory at anywhere.\r | |
1313 | //\r | |
1314 | DEBUG ((EFI_D_ERROR, "SmbiosCreate64BitTable() re-allocate SMBIOS 64-bit table\n"));\r | |
1315 | if (Smbios30EntryPointStructure->TableAddress != 0) {\r | |
1316 | //\r | |
1317 | // Free the previous allocated page\r | |
1318 | // \r | |
1319 | FreePages (\r | |
1320 | (VOID*)(UINTN)Smbios30EntryPointStructure->TableAddress,\r | |
1321 | mPre64BitAllocatedPages\r | |
1322 | );\r | |
1323 | Smbios30EntryPointStructure->TableAddress = 0;\r | |
1324 | mPre64BitAllocatedPages = 0;\r | |
1325 | }\r | |
1326 | \r | |
1327 | Status = gBS->AllocatePages (\r | |
1328 | AllocateAnyPages,\r | |
1329 | EfiRuntimeServicesData,\r | |
1330 | EFI_SIZE_TO_PAGES (Smbios30EntryPointStructure->TableMaximumSize),\r | |
1331 | &PhysicalAddress\r | |
1332 | );\r | |
1333 | if (EFI_ERROR (Status)) {\r | |
1334 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable() could not allocate SMBIOS 64-bit table\n"));\r | |
1335 | Smbios30EntryPointStructure->TableAddress = 0;\r | |
1336 | return EFI_OUT_OF_RESOURCES;\r | |
1337 | } else {\r | |
1338 | Smbios30EntryPointStructure->TableAddress = PhysicalAddress;\r | |
1339 | mPre64BitAllocatedPages = EFI_SIZE_TO_PAGES (Smbios30EntryPointStructure->TableMaximumSize);\r | |
1340 | }\r | |
1341 | }\r | |
1342 | \r | |
1343 | //\r | |
1344 | // Assemble the tables\r | |
1345 | //\r | |
1346 | ASSERT (Smbios30EntryPointStructure->TableAddress != 0);\r | |
1347 | BufferPointer = (UINT8 *) (UINTN) Smbios30EntryPointStructure->TableAddress;\r | |
1348 | CurrentSmbiosEntry = NULL;\r | |
1349 | do {\r | |
1350 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r | |
1351 | \r | |
1352 | if ((Status == EFI_SUCCESS) && (CurrentSmbiosEntry->Smbios64BitTable)) {\r | |
1353 | //\r | |
1354 | // This record can be added to 64-bit table\r | |
1355 | //\r | |
1356 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r | |
1357 | CopyMem (BufferPointer, SmbiosRecord, RecordSize);\r | |
1358 | BufferPointer = BufferPointer + RecordSize;\r | |
1359 | }\r | |
1360 | } while (!EFI_ERROR(Status));\r | |
1361 | \r | |
1362 | //\r | |
1363 | // Assemble End-Of-Table structure\r | |
1364 | //\r | |
1365 | CopyMem (BufferPointer, &EndStructure, sizeof (EndStructure));\r | |
1366 | \r | |
1367 | //\r | |
1368 | // Fixup checksums in the Entry Point Structure\r | |
1369 | //\r | |
1370 | Smbios30EntryPointStructure->EntryPointStructureChecksum = 0;\r | |
1371 | Smbios30EntryPointStructure->EntryPointStructureChecksum =\r | |
1372 | CalculateCheckSum8 ((UINT8 *) Smbios30EntryPointStructure, Smbios30EntryPointStructure->EntryPointLength);\r | |
1373 | \r | |
1374 | //\r | |
1375 | // Returns the pointer\r | |
1376 | //\r | |
1377 | *TableEntryPointStructure = Smbios30EntryPointStructure;\r | |
1378 | \r | |
1379 | return EFI_SUCCESS;\r | |
1380 | }\r | |
1381 | \r | |
1382 | /**\r | |
1383 | Create Smbios Table and installs the Smbios Table to the System Table.\r | |
1384 | \r | |
1385 | @param Smbios32BitTable The flag to update 32-bit table.\r | |
1386 | @param Smbios64BitTable The flag to update 64-bit table.\r | |
1387 | \r | |
1388 | **/\r | |
1389 | VOID\r | |
1390 | EFIAPI\r | |
1391 | SmbiosTableConstruction (\r | |
1392 | BOOLEAN Smbios32BitTable,\r | |
1393 | BOOLEAN Smbios64BitTable\r | |
1394 | )\r | |
1395 | {\r | |
1396 | UINT8 *Eps;\r | |
1397 | UINT8 *Eps64Bit;\r | |
1398 | EFI_STATUS Status;\r | |
1399 | \r | |
1400 | if (Smbios32BitTable) {\r | |
1401 | Status = SmbiosCreateTable ((VOID **) &Eps);\r | |
1402 | if (!EFI_ERROR (Status)) {\r | |
1403 | gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, Eps);\r | |
1404 | }\r | |
1405 | }\r | |
1406 | \r | |
1407 | if (Smbios64BitTable) {\r | |
1408 | Status = SmbiosCreate64BitTable ((VOID **) &Eps64Bit);\r | |
1409 | if (!EFI_ERROR (Status)) {\r | |
1410 | gBS->InstallConfigurationTable (&gEfiSmbios3TableGuid, Eps64Bit);\r | |
1411 | }\r | |
1412 | }\r | |
1413 | }\r | |
1414 | \r | |
1415 | /**\r | |
1416 | \r | |
1417 | Driver to produce Smbios protocol and pre-allocate 1 page for the final SMBIOS table. \r | |
1418 | \r | |
1419 | @param ImageHandle Module's image handle\r | |
1420 | @param SystemTable Pointer of EFI_SYSTEM_TABLE\r | |
1421 | \r | |
1422 | @retval EFI_SUCCESS Smbios protocol installed\r | |
1423 | @retval Other No protocol installed, unload driver.\r | |
1424 | \r | |
1425 | **/\r | |
1426 | EFI_STATUS\r | |
1427 | EFIAPI\r | |
1428 | SmbiosDriverEntryPoint (\r | |
1429 | IN EFI_HANDLE ImageHandle,\r | |
1430 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1431 | )\r | |
1432 | {\r | |
1433 | EFI_STATUS Status;\r | |
1434 | \r | |
1435 | mPrivateData.Signature = SMBIOS_INSTANCE_SIGNATURE;\r | |
1436 | mPrivateData.Smbios.Add = SmbiosAdd;\r | |
1437 | mPrivateData.Smbios.UpdateString = SmbiosUpdateString;\r | |
1438 | mPrivateData.Smbios.Remove = SmbiosRemove;\r | |
1439 | mPrivateData.Smbios.GetNext = SmbiosGetNext;\r | |
1440 | mPrivateData.Smbios.MajorVersion = (UINT8) (PcdGet16 (PcdSmbiosVersion) >> 8);\r | |
1441 | mPrivateData.Smbios.MinorVersion = (UINT8) (PcdGet16 (PcdSmbiosVersion) & 0x00ff);\r | |
1442 | \r | |
1443 | InitializeListHead (&mPrivateData.DataListHead);\r | |
1444 | InitializeListHead (&mPrivateData.AllocatedHandleListHead);\r | |
1445 | EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);\r | |
1446 | \r | |
1447 | //\r | |
1448 | // Make a new handle and install the protocol\r | |
1449 | //\r | |
1450 | mPrivateData.Handle = NULL;\r | |
1451 | Status = gBS->InstallProtocolInterface (\r | |
1452 | &mPrivateData.Handle,\r | |
1453 | &gEfiSmbiosProtocolGuid,\r | |
1454 | EFI_NATIVE_INTERFACE,\r | |
1455 | &mPrivateData.Smbios\r | |
1456 | );\r | |
1457 | \r | |
1458 | return Status;\r | |
1459 | }\r |