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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 | |
2d97e71f | 5 | Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 6 | This program and the accompanying materials \r |
310b04e6 | 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 | |
4233bf70 SZ |
25 | UINTN mPreAllocatedPages = 0;\r |
26 | \r | |
310b04e6 | 27 | //\r |
28 | // Chassis for SMBIOS entry point structure that is to be installed into EFI system config table.\r | |
29 | //\r | |
30 | SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure = NULL;\r | |
31 | SMBIOS_TABLE_ENTRY_POINT EntryPointStructureData = {\r | |
32 | //\r | |
33 | // AnchorString\r | |
34 | //\r | |
35 | {\r | |
36 | 0x5f,\r | |
37 | 0x53,\r | |
38 | 0x4d,\r | |
39 | 0x5f\r | |
40 | },\r | |
41 | //\r | |
42 | // EntryPointStructureChecksum,TO BE FILLED\r | |
43 | //\r | |
44 | 0,\r | |
45 | //\r | |
46 | // EntryPointStructure Length\r | |
47 | //\r | |
48 | 0x1f,\r | |
49 | //\r | |
9f7d5b46 | 50 | // MajorVersion\r |
310b04e6 | 51 | //\r |
9f7d5b46 | 52 | (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) >> 8),\r |
310b04e6 | 53 | //\r |
9f7d5b46 | 54 | // MinorVersion\r |
310b04e6 | 55 | //\r |
9f7d5b46 | 56 | (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) & 0x00ff),\r |
310b04e6 | 57 | //\r |
58 | // MaxStructureSize, TO BE FILLED\r | |
59 | //\r | |
60 | 0,\r | |
61 | //\r | |
62 | // EntryPointRevision\r | |
63 | //\r | |
64 | 0,\r | |
65 | //\r | |
66 | // FormattedArea\r | |
67 | //\r | |
68 | {\r | |
69 | 0,\r | |
70 | 0,\r | |
71 | 0,\r | |
72 | 0,\r | |
73 | 0\r | |
74 | },\r | |
75 | //\r | |
76 | // IntermediateAnchorString\r | |
77 | //\r | |
78 | {\r | |
79 | 0x5f,\r | |
80 | 0x44,\r | |
81 | 0x4d,\r | |
82 | 0x49,\r | |
83 | 0x5f\r | |
84 | },\r | |
85 | //\r | |
86 | // IntermediateChecksum, TO BE FILLED\r | |
87 | //\r | |
88 | 0,\r | |
89 | //\r | |
90 | // StructureTableLength, TO BE FILLED\r | |
91 | //\r | |
92 | 0,\r | |
93 | //\r | |
94 | // StructureTableAddress, TO BE FILLED\r | |
95 | //\r | |
96 | 0,\r | |
97 | //\r | |
98 | // NumberOfSmbiosStructures, TO BE FILLED\r | |
99 | //\r | |
100 | 0,\r | |
101 | //\r | |
102 | // SmbiosBcdRevision\r | |
103 | //\r | |
104 | 0 \r | |
105 | };\r | |
106 | \r | |
107 | \r | |
c7ce5169 | 108 | \r |
310b04e6 | 109 | /**\r |
110 | \r | |
0ddd8553 | 111 | Get the full size of SMBIOS structure including optional strings that follow the formatted structure.\r |
310b04e6 | 112 | \r |
afe3969c | 113 | @param This The EFI_SMBIOS_PROTOCOL instance.\r |
0ddd8553 | 114 | @param Head Pointer to the beginning of SMBIOS structure.\r |
310b04e6 | 115 | @param Size The returned size.\r |
116 | @param NumberOfStrings The returned number of optional strings that follow the formatted structure.\r | |
117 | \r | |
118 | @retval EFI_SUCCESS Size retured in Size.\r | |
0ddd8553 | 119 | @retval EFI_INVALID_PARAMETER Input SMBIOS structure mal-formed or Size is NULL.\r |
310b04e6 | 120 | \r |
121 | **/\r | |
122 | EFI_STATUS\r | |
123 | EFIAPI\r | |
124 | GetSmbiosStructureSize (\r | |
afe3969c | 125 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r |
310b04e6 | 126 | IN EFI_SMBIOS_TABLE_HEADER *Head,\r |
127 | OUT UINTN *Size,\r | |
128 | OUT UINTN *NumberOfStrings\r | |
129 | )\r | |
130 | {\r | |
131 | UINTN FullSize;\r | |
2d97e71f | 132 | UINTN StrLen;\r |
4233bf70 | 133 | UINTN MaxLen;\r |
310b04e6 | 134 | INT8* CharInStr;\r |
135 | \r | |
136 | if (Size == NULL || NumberOfStrings == NULL) {\r | |
137 | return EFI_INVALID_PARAMETER;\r | |
138 | }\r | |
139 | \r | |
140 | FullSize = Head->Length;\r | |
141 | CharInStr = (INT8*)Head + Head->Length;\r | |
142 | *Size = FullSize;\r | |
143 | *NumberOfStrings = 0;\r | |
144 | StrLen = 0;\r | |
145 | //\r | |
146 | // look for the two consecutive zeros, check the string limit by the way.\r | |
147 | //\r | |
148 | while (*CharInStr != 0 || *(CharInStr+1) != 0) { \r | |
149 | if (*CharInStr == 0) {\r | |
310b04e6 | 150 | *Size += 1;\r |
151 | CharInStr++;\r | |
152 | }\r | |
153 | \r | |
afe3969c | 154 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)){\r |
4233bf70 | 155 | MaxLen = SMBIOS_STRING_MAX_LENGTH;\r |
afe3969c SZ |
156 | } else {\r |
157 | //\r | |
4233bf70 SZ |
158 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r |
159 | // However, the length of the entire structure table (including all strings) must be reported\r | |
160 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
161 | // which is a WORD field limited to 65,535 bytes.\r | |
afe3969c | 162 | //\r |
4233bf70 SZ |
163 | MaxLen = SMBIOS_TABLE_MAX_LENGTH;\r |
164 | }\r | |
165 | \r | |
166 | for (StrLen = 0 ; StrLen < MaxLen; StrLen++) {\r | |
167 | if (*(CharInStr+StrLen) == 0) {\r | |
168 | break;\r | |
afe3969c | 169 | }\r |
310b04e6 | 170 | }\r |
afe3969c | 171 | \r |
4233bf70 SZ |
172 | if (StrLen == MaxLen) {\r |
173 | return EFI_INVALID_PARAMETER;\r | |
174 | }\r | |
175 | \r | |
310b04e6 | 176 | //\r |
177 | // forward the pointer\r | |
178 | //\r | |
179 | CharInStr += StrLen;\r | |
180 | *Size += StrLen;\r | |
310b04e6 | 181 | *NumberOfStrings += 1;\r |
182 | }\r | |
f8ee20c9 | 183 | \r |
310b04e6 | 184 | //\r |
185 | // count ending two zeros.\r | |
186 | //\r | |
187 | *Size += 2;\r | |
afe3969c | 188 | return EFI_SUCCESS;\r |
310b04e6 | 189 | }\r |
190 | \r | |
191 | /**\r | |
192 | \r | |
193 | Determin whether an SmbiosHandle has already in use.\r | |
194 | \r | |
0ddd8553 | 195 | @param Head Pointer to the beginning of SMBIOS structure.\r |
310b04e6 | 196 | @param Handle A unique handle will be assigned to the SMBIOS record.\r |
197 | \r | |
198 | @retval TRUE Smbios handle already in use.\r | |
199 | @retval FALSE Smbios handle is NOT used.\r | |
200 | \r | |
201 | **/\r | |
202 | BOOLEAN\r | |
203 | EFIAPI\r | |
204 | CheckSmbiosHandleExistance (\r | |
205 | IN LIST_ENTRY *Head,\r | |
206 | IN EFI_SMBIOS_HANDLE Handle\r | |
207 | )\r | |
208 | {\r | |
209 | LIST_ENTRY *Link;\r | |
210 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
211 | \r | |
212 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
213 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
214 | if (HandleEntry->SmbiosHandle == Handle) {\r | |
215 | return TRUE;\r | |
216 | }\r | |
217 | }\r | |
218 | \r | |
219 | return FALSE;\r | |
220 | }\r | |
221 | \r | |
222 | /**\r | |
223 | \r | |
224 | Get the max SmbiosHandle that could be use.\r | |
225 | \r | |
226 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
227 | @param MaxHandle The max handle that could be assigned to the SMBIOS record.\r | |
228 | \r | |
229 | **/\r | |
230 | VOID\r | |
231 | EFIAPI\r | |
232 | GetMaxSmbiosHandle (\r | |
233 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
234 | IN OUT EFI_SMBIOS_HANDLE *MaxHandle\r | |
235 | ) \r | |
236 | {\r | |
237 | if (This->MajorVersion == 2 && This->MinorVersion == 0) {\r | |
238 | *MaxHandle = 0xFFFE;\r | |
239 | } else {\r | |
240 | *MaxHandle = 0xFEFF;\r | |
241 | }\r | |
242 | }\r | |
243 | \r | |
244 | /**\r | |
245 | \r | |
246 | Get an SmbiosHandle that could use.\r | |
247 | \r | |
248 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
249 | @param SmbiosHandle A unique handle will be assigned to the SMBIOS record.\r | |
250 | \r | |
251 | @retval EFI_SUCCESS Smbios handle got.\r | |
252 | @retval EFI_OUT_OF_RESOURCES Smbios handle is NOT available.\r | |
253 | \r | |
254 | **/\r | |
255 | EFI_STATUS\r | |
256 | EFIAPI\r | |
257 | GetAvailableSmbiosHandle (\r | |
258 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
259 | IN OUT EFI_SMBIOS_HANDLE *Handle\r | |
260 | )\r | |
261 | {\r | |
262 | LIST_ENTRY *Head;\r | |
263 | SMBIOS_INSTANCE *Private;\r | |
264 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
265 | EFI_SMBIOS_HANDLE AvailableHandle;\r | |
266 | \r | |
267 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
268 | \r | |
269 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
270 | Head = &Private->AllocatedHandleListHead;\r | |
4659816a | 271 | for (AvailableHandle = 0; AvailableHandle < MaxSmbiosHandle; AvailableHandle++) {\r |
310b04e6 | 272 | if (!CheckSmbiosHandleExistance(Head, AvailableHandle)) {\r |
273 | *Handle = AvailableHandle;\r | |
274 | return EFI_SUCCESS;\r | |
275 | }\r | |
276 | }\r | |
277 | \r | |
278 | return EFI_OUT_OF_RESOURCES;\r | |
279 | }\r | |
280 | \r | |
281 | \r | |
282 | /**\r | |
283 | Add an SMBIOS record.\r | |
284 | \r | |
285 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
286 | @param ProducerHandle The handle of the controller or driver associated with the SMBIOS information. NULL\r | |
287 | means no handle.\r | |
4659816a SZ |
288 | @param SmbiosHandle On entry, the handle of the SMBIOS record to add. If FFFEh, then a unique handle\r |
289 | will be assigned to the SMBIOS record. If the SMBIOS handle is already in use,\r | |
310b04e6 | 290 | EFI_ALREADY_STARTED is returned and the SMBIOS record is not updated.\r |
291 | @param Record The data for the fixed portion of the SMBIOS record. The format of the record is\r | |
292 | determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined \r | |
293 | by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or \r | |
294 | a set of null terminated strings and a null.\r | |
295 | \r | |
296 | @retval EFI_SUCCESS Record was added.\r | |
297 | @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.\r | |
298 | @retval EFI_ALREADY_STARTED The SmbiosHandle passed in was already in use.\r | |
299 | \r | |
300 | **/\r | |
301 | EFI_STATUS\r | |
302 | EFIAPI\r | |
303 | SmbiosAdd (\r | |
304 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
305 | IN EFI_HANDLE ProducerHandle, OPTIONAL\r | |
306 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
307 | IN EFI_SMBIOS_TABLE_HEADER *Record\r | |
308 | )\r | |
309 | {\r | |
310 | VOID *Raw;\r | |
311 | UINTN TotalSize;\r | |
312 | UINTN RecordSize;\r | |
313 | UINTN StructureSize;\r | |
314 | UINTN NumberOfStrings;\r | |
315 | EFI_STATUS Status;\r | |
316 | LIST_ENTRY *Head;\r | |
317 | SMBIOS_INSTANCE *Private;\r | |
318 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
319 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
320 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
321 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
322 | \r | |
323 | if (SmbiosHandle == NULL) {\r | |
324 | return EFI_INVALID_PARAMETER;\r | |
325 | }\r | |
326 | \r | |
327 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
328 | //\r | |
329 | // Check whether SmbiosHandle is already in use\r | |
330 | //\r | |
331 | Head = &Private->AllocatedHandleListHead;\r | |
4659816a | 332 | if (*SmbiosHandle != SMBIOS_HANDLE_PI_RESERVED && CheckSmbiosHandleExistance(Head, *SmbiosHandle)) {\r |
310b04e6 | 333 | return EFI_ALREADY_STARTED;\r |
334 | }\r | |
335 | \r | |
336 | //\r | |
4659816a | 337 | // when SmbiosHandle is 0xFFFE, an available handle will be assigned\r |
310b04e6 | 338 | //\r |
4659816a | 339 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r |
310b04e6 | 340 | Status = GetAvailableSmbiosHandle(This, SmbiosHandle);\r |
341 | if (EFI_ERROR(Status)) {\r | |
342 | return Status;\r | |
343 | }\r | |
344 | } else {\r | |
345 | //\r | |
346 | // Check this handle validity\r | |
347 | //\r | |
348 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
349 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
350 | return EFI_INVALID_PARAMETER;\r | |
351 | }\r | |
352 | }\r | |
353 | \r | |
354 | //\r | |
355 | // Calculate record size and string number\r | |
356 | //\r | |
afe3969c | 357 | Status = GetSmbiosStructureSize(This, Record, &StructureSize, &NumberOfStrings);\r |
310b04e6 | 358 | if (EFI_ERROR(Status)) {\r |
359 | return Status;\r | |
360 | }\r | |
361 | \r | |
4233bf70 SZ |
362 | if (EntryPointStructure->TableLength + StructureSize > SMBIOS_TABLE_MAX_LENGTH) {\r |
363 | //\r | |
364 | // The length of the entire structure table (including all strings) must be reported\r | |
365 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
366 | // which is a WORD field limited to 65,535 bytes.\r | |
367 | //\r | |
368 | return EFI_OUT_OF_RESOURCES;\r | |
369 | }\r | |
370 | \r | |
310b04e6 | 371 | //\r |
372 | // Enter into critical section\r | |
373 | // \r | |
374 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | return Status;\r | |
377 | }\r | |
378 | \r | |
379 | RecordSize = sizeof (EFI_SMBIOS_RECORD_HEADER) + StructureSize;\r | |
380 | TotalSize = sizeof (EFI_SMBIOS_ENTRY) + RecordSize;\r | |
381 | \r | |
382 | //\r | |
383 | // Allocate internal buffer\r | |
384 | //\r | |
0d34b1cf | 385 | SmbiosEntry = AllocateZeroPool (TotalSize);\r |
310b04e6 | 386 | if (SmbiosEntry == NULL) {\r |
387 | EfiReleaseLock (&Private->DataLock);\r | |
388 | return EFI_OUT_OF_RESOURCES;\r | |
389 | }\r | |
0d34b1cf | 390 | HandleEntry = AllocateZeroPool (sizeof(SMBIOS_HANDLE_ENTRY));\r |
310b04e6 | 391 | if (HandleEntry == NULL) {\r |
392 | EfiReleaseLock (&Private->DataLock);\r | |
393 | return EFI_OUT_OF_RESOURCES;\r | |
394 | }\r | |
395 | \r | |
396 | //\r | |
397 | // Build Handle Entry and insert into linked list\r | |
398 | //\r | |
310b04e6 | 399 | HandleEntry->Signature = SMBIOS_HANDLE_ENTRY_SIGNATURE;\r |
400 | HandleEntry->SmbiosHandle = *SmbiosHandle;\r | |
401 | InsertTailList(&Private->AllocatedHandleListHead, &HandleEntry->Link);\r | |
402 | \r | |
310b04e6 | 403 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (SmbiosEntry + 1);\r |
404 | Raw = (VOID *) (InternalRecord + 1);\r | |
405 | \r | |
406 | //\r | |
407 | // Build internal record Header\r | |
408 | //\r | |
409 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
c9325700 | 410 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r |
310b04e6 | 411 | InternalRecord->RecordSize = RecordSize;\r |
412 | InternalRecord->ProducerHandle = ProducerHandle;\r | |
413 | InternalRecord->NumberOfStrings = NumberOfStrings;\r | |
414 | //\r | |
415 | // Insert record into the internal linked list\r | |
416 | //\r | |
417 | SmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
418 | SmbiosEntry->RecordHeader = InternalRecord;\r | |
419 | SmbiosEntry->RecordSize = TotalSize;\r | |
420 | InsertTailList (&Private->DataListHead, &SmbiosEntry->Link);\r | |
421 | \r | |
422 | CopyMem (Raw, Record, StructureSize);\r | |
423 | ((EFI_SMBIOS_TABLE_HEADER*)Raw)->Handle = *SmbiosHandle;\r | |
424 | \r | |
0ddd8553 | 425 | //\r |
426 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
427 | // Here we create SMBIOS table and publish it in\r | |
428 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
429 | // configuration table without depending on PI SMBIOS protocol.\r | |
430 | //\r | |
431 | SmbiosTableConstruction ();\r | |
432 | \r | |
310b04e6 | 433 | //\r |
434 | // Leave critical section\r | |
435 | //\r | |
436 | EfiReleaseLock (&Private->DataLock);\r | |
437 | return EFI_SUCCESS;\r | |
438 | }\r | |
439 | \r | |
440 | /**\r | |
441 | Update the string associated with an existing SMBIOS record.\r | |
442 | \r | |
443 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
444 | @param SmbiosHandle SMBIOS Handle of structure that will have its string updated.\r | |
445 | @param StringNumber The non-zero string number of the string to update\r | |
446 | @param String Update the StringNumber string with String.\r | |
447 | \r | |
448 | @retval EFI_SUCCESS SmbiosHandle had its StringNumber String updated.\r | |
449 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not exist.\r | |
4659816a | 450 | @retval EFI_UNSUPPORTED String was not added because it is longer than the SMBIOS Table supports.\r |
310b04e6 | 451 | @retval EFI_NOT_FOUND The StringNumber.is not valid for this SMBIOS record.\r |
452 | \r | |
453 | **/\r | |
454 | EFI_STATUS\r | |
455 | EFIAPI\r | |
456 | SmbiosUpdateString (\r | |
457 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
458 | IN EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
459 | IN UINTN *StringNumber,\r | |
460 | IN CHAR8 *String\r | |
461 | )\r | |
462 | {\r | |
463 | UINTN InputStrLen;\r | |
464 | UINTN TargetStrLen;\r | |
465 | UINTN StrIndex;\r | |
466 | UINTN TargetStrOffset;\r | |
467 | UINTN NewEntrySize;\r | |
468 | CHAR8 *StrStart;\r | |
469 | VOID *Raw;\r | |
470 | LIST_ENTRY *Link;\r | |
471 | LIST_ENTRY *Head;\r | |
472 | EFI_STATUS Status;\r | |
473 | SMBIOS_INSTANCE *Private;\r | |
474 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
475 | EFI_SMBIOS_ENTRY *ResizedSmbiosEntry;\r | |
476 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
477 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
478 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
479 | \r | |
480 | //\r | |
481 | // Check args validity\r | |
482 | //\r | |
483 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
484 | \r | |
485 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
486 | return EFI_INVALID_PARAMETER;\r | |
487 | }\r | |
488 | \r | |
489 | if (String == NULL) {\r | |
490 | return EFI_ABORTED;\r | |
491 | }\r | |
492 | \r | |
493 | if (*StringNumber == 0) {\r | |
494 | return EFI_NOT_FOUND;\r | |
495 | }\r | |
496 | \r | |
497 | InputStrLen = AsciiStrLen(String);\r | |
afe3969c | 498 | \r |
afe3969c SZ |
499 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)) {\r |
500 | if (InputStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
501 | return EFI_UNSUPPORTED;\r | |
502 | }\r | |
4233bf70 SZ |
503 | } else {\r |
504 | //\r | |
505 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r | |
506 | // However, the length of the entire structure table (including all strings) must be reported \r | |
507 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
508 | // which is a WORD field limited to 65,535 bytes.\r | |
509 | //\r | |
510 | if (InputStrLen > SMBIOS_TABLE_MAX_LENGTH) {\r | |
511 | return EFI_UNSUPPORTED;\r | |
512 | }\r | |
310b04e6 | 513 | }\r |
514 | \r | |
515 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
516 | //\r | |
517 | // Enter into critical section\r | |
518 | // \r | |
519 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
520 | if (EFI_ERROR (Status)) {\r | |
521 | return Status;\r | |
522 | }\r | |
523 | \r | |
524 | Head = &Private->DataListHead;\r | |
525 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
526 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
527 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
528 | \r | |
afe3969c | 529 | if (Record->Handle == *SmbiosHandle) {\r |
310b04e6 | 530 | //\r |
0ddd8553 | 531 | // Find out the specified SMBIOS record\r |
310b04e6 | 532 | //\r |
533 | if (*StringNumber > SmbiosEntry->RecordHeader->NumberOfStrings) {\r | |
534 | EfiReleaseLock (&Private->DataLock);\r | |
535 | return EFI_NOT_FOUND;\r | |
536 | }\r | |
537 | //\r | |
538 | // Point to unformed string section\r | |
539 | //\r | |
afe3969c | 540 | StrStart = (CHAR8 *) Record + Record->Length;\r |
310b04e6 | 541 | \r |
542 | for (StrIndex = 1, TargetStrOffset = 0; StrIndex < *StringNumber; StrStart++, TargetStrOffset++) {\r | |
543 | //\r | |
544 | // A string ends in 00h\r | |
545 | //\r | |
546 | if (*StrStart == 0) {\r | |
547 | StrIndex++;\r | |
548 | }\r | |
549 | \r | |
550 | //\r | |
551 | // String section ends in double-null (0000h)\r | |
552 | //\r | |
553 | if (*StrStart == 0 && *(StrStart + 1) == 0) {\r | |
554 | EfiReleaseLock (&Private->DataLock);\r | |
555 | return EFI_NOT_FOUND;\r | |
556 | } \r | |
557 | }\r | |
558 | \r | |
f8ee20c9 | 559 | if (*StrStart == 0) {\r |
afe3969c SZ |
560 | StrStart++;\r |
561 | TargetStrOffset++;\r | |
f8ee20c9 | 562 | }\r |
563 | \r | |
310b04e6 | 564 | //\r |
565 | // Now we get the string target\r | |
566 | //\r | |
567 | TargetStrLen = AsciiStrLen(StrStart);\r | |
568 | if (InputStrLen == TargetStrLen) {\r | |
569 | AsciiStrCpy(StrStart, String);\r | |
0ddd8553 | 570 | //\r |
571 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
572 | // Here we create SMBIOS table and publish it in\r | |
573 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
574 | // configuration table without depending on PI SMBIOS protocol.\r | |
575 | //\r | |
576 | SmbiosTableConstruction ();\r | |
310b04e6 | 577 | EfiReleaseLock (&Private->DataLock);\r |
578 | return EFI_SUCCESS;\r | |
579 | }\r | |
580 | \r | |
4233bf70 SZ |
581 | if (EntryPointStructure->TableLength + InputStrLen - TargetStrLen > SMBIOS_TABLE_MAX_LENGTH) {\r |
582 | //\r | |
583 | // The length of the entire structure table (including all strings) must be reported\r | |
584 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
585 | // which is a WORD field limited to 65,535 bytes.\r | |
586 | //\r | |
587 | return EFI_UNSUPPORTED;\r | |
588 | }\r | |
589 | \r | |
310b04e6 | 590 | //\r |
591 | // Original string buffer size is not exactly match input string length.\r | |
592 | // Re-allocate buffer is needed.\r | |
593 | //\r | |
594 | NewEntrySize = SmbiosEntry->RecordSize + InputStrLen - TargetStrLen;\r | |
0d34b1cf | 595 | ResizedSmbiosEntry = AllocateZeroPool (NewEntrySize);\r |
310b04e6 | 596 | \r |
597 | if (ResizedSmbiosEntry == NULL) {\r | |
598 | EfiReleaseLock (&Private->DataLock);\r | |
599 | return EFI_OUT_OF_RESOURCES;\r | |
600 | }\r | |
601 | \r | |
310b04e6 | 602 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (ResizedSmbiosEntry + 1);\r |
603 | Raw = (VOID *) (InternalRecord + 1);\r | |
604 | \r | |
605 | //\r | |
606 | // Build internal record Header\r | |
607 | //\r | |
608 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
c9325700 | 609 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r |
310b04e6 | 610 | InternalRecord->RecordSize = SmbiosEntry->RecordHeader->RecordSize + InputStrLen - TargetStrLen;\r |
611 | InternalRecord->ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
612 | InternalRecord->NumberOfStrings = SmbiosEntry->RecordHeader->NumberOfStrings;\r | |
613 | \r | |
614 | //\r | |
0ddd8553 | 615 | // Copy SMBIOS structure and optional strings.\r |
310b04e6 | 616 | //\r |
f8ee20c9 | 617 | CopyMem (Raw, SmbiosEntry->RecordHeader + 1, Record->Length + TargetStrOffset);\r |
618 | CopyMem ((VOID*)((UINTN)Raw + Record->Length + TargetStrOffset), String, InputStrLen + 1);\r | |
619 | CopyMem ((CHAR8*)((UINTN)Raw + Record->Length + TargetStrOffset + InputStrLen + 1),\r | |
620 | (CHAR8*)Record + Record->Length + TargetStrOffset + TargetStrLen + 1,\r | |
621 | SmbiosEntry->RecordHeader->RecordSize - sizeof (EFI_SMBIOS_RECORD_HEADER) - Record->Length - TargetStrOffset - TargetStrLen - 1);\r | |
310b04e6 | 622 | \r |
623 | //\r | |
624 | // Insert new record\r | |
625 | //\r | |
626 | ResizedSmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
627 | ResizedSmbiosEntry->RecordHeader = InternalRecord;\r | |
628 | ResizedSmbiosEntry->RecordSize = NewEntrySize;\r | |
629 | InsertTailList (Link->ForwardLink, &ResizedSmbiosEntry->Link);\r | |
630 | \r | |
631 | //\r | |
632 | // Remove old record\r | |
633 | //\r | |
634 | RemoveEntryList(Link);\r | |
635 | FreePool(SmbiosEntry);\r | |
0ddd8553 | 636 | //\r |
637 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
638 | // Here we create SMBIOS table and publish it in\r | |
639 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
640 | // configuration table without depending on PI SMBIOS protocol.\r | |
641 | //\r | |
642 | SmbiosTableConstruction ();\r | |
310b04e6 | 643 | EfiReleaseLock (&Private->DataLock);\r |
644 | return EFI_SUCCESS;\r | |
645 | }\r | |
646 | }\r | |
647 | \r | |
648 | EfiReleaseLock (&Private->DataLock);\r | |
649 | return EFI_INVALID_PARAMETER;\r | |
650 | }\r | |
651 | \r | |
652 | /**\r | |
653 | Remove an SMBIOS record.\r | |
654 | \r | |
655 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
656 | @param SmbiosHandle The handle of the SMBIOS record to remove.\r | |
657 | \r | |
658 | @retval EFI_SUCCESS SMBIOS record was removed.\r | |
659 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not specify a valid SMBIOS record.\r | |
660 | \r | |
661 | **/\r | |
662 | EFI_STATUS\r | |
663 | EFIAPI\r | |
664 | SmbiosRemove (\r | |
665 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
666 | IN EFI_SMBIOS_HANDLE SmbiosHandle\r | |
667 | )\r | |
668 | {\r | |
669 | LIST_ENTRY *Link;\r | |
670 | LIST_ENTRY *Head;\r | |
671 | EFI_STATUS Status;\r | |
672 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
673 | SMBIOS_INSTANCE *Private;\r | |
674 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
675 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
676 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
677 | \r | |
678 | //\r | |
679 | // Check args validity\r | |
680 | //\r | |
681 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
682 | \r | |
683 | if (SmbiosHandle > MaxSmbiosHandle) {\r | |
684 | return EFI_INVALID_PARAMETER;\r | |
685 | }\r | |
686 | \r | |
687 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
688 | //\r | |
689 | // Enter into critical section\r | |
690 | // \r | |
691 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
692 | if (EFI_ERROR (Status)) {\r | |
693 | return Status;\r | |
694 | }\r | |
695 | \r | |
696 | Head = &Private->DataListHead;\r | |
697 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
698 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
699 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
afe3969c | 700 | if (Record->Handle == SmbiosHandle) {\r |
310b04e6 | 701 | //\r |
702 | // Remove specified smobios record from DataList\r | |
703 | //\r | |
704 | RemoveEntryList(Link);\r | |
705 | FreePool(SmbiosEntry);\r | |
706 | // \r | |
707 | // Remove this handle from AllocatedHandleList\r | |
708 | //\r | |
709 | Head = &Private->AllocatedHandleListHead;\r | |
710 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
711 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
afe3969c | 712 | if (HandleEntry->SmbiosHandle == SmbiosHandle) {\r |
310b04e6 | 713 | RemoveEntryList(Link);\r |
714 | FreePool(HandleEntry);\r | |
715 | break;\r | |
716 | }\r | |
717 | }\r | |
0ddd8553 | 718 | //\r |
719 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
720 | // Here we create SMBIOS table and publish it in\r | |
721 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
722 | // configuration table without depending on PI SMBIOS protocol.\r | |
723 | //\r | |
724 | SmbiosTableConstruction ();\r | |
310b04e6 | 725 | EfiReleaseLock (&Private->DataLock);\r |
726 | return EFI_SUCCESS;\r | |
727 | }\r | |
728 | }\r | |
729 | \r | |
730 | //\r | |
731 | // Leave critical section\r | |
732 | //\r | |
733 | EfiReleaseLock (&Private->DataLock);\r | |
734 | return EFI_INVALID_PARAMETER;\r | |
735 | \r | |
736 | }\r | |
737 | \r | |
738 | /**\r | |
739 | Allow the caller to discover all or some of the SMBIOS records.\r | |
740 | \r | |
741 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
742 | @param SmbiosHandle On entry, points to the previous handle of the SMBIOS record. On exit, points to the\r | |
4659816a SZ |
743 | next SMBIOS record handle. If it is FFFEh on entry, then the first SMBIOS record\r |
744 | handle will be returned. If it returns FFFEh on exit, then there are no more SMBIOS records.\r | |
310b04e6 | 745 | @param Type On entry it means return the next SMBIOS record of type Type. If a NULL is passed in \r |
746 | this functionally it ignored. Type is not modified by the GetNext() function.\r | |
747 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
748 | the unformatted area. The unformatted area optionally contains text strings.\r | |
749 | @param ProducerHandle On exit, points to the ProducerHandle registered by Add(). If no ProducerHandle was passed into Add() NULL is returned. \r | |
750 | If a NULL pointer is passed in no data will be returned \r | |
751 | \r | |
752 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
310b04e6 | 753 | @retval EFI_NOT_FOUND The SMBIOS record with SmbiosHandle was the last available record.\r |
754 | \r | |
755 | **/\r | |
756 | EFI_STATUS\r | |
757 | EFIAPI\r | |
758 | SmbiosGetNext (\r | |
759 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
760 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
761 | IN EFI_SMBIOS_TYPE *Type, OPTIONAL\r | |
762 | OUT EFI_SMBIOS_TABLE_HEADER **Record,\r | |
763 | OUT EFI_HANDLE *ProducerHandle OPTIONAL\r | |
764 | )\r | |
765 | {\r | |
766 | BOOLEAN StartPointFound;\r | |
767 | LIST_ENTRY *Link;\r | |
768 | LIST_ENTRY *Head;\r | |
769 | SMBIOS_INSTANCE *Private;\r | |
770 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
771 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
772 | \r | |
773 | if (SmbiosHandle == NULL) {\r | |
774 | return EFI_INVALID_PARAMETER;\r | |
775 | }\r | |
776 | \r | |
777 | StartPointFound = FALSE;\r | |
778 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
779 | Head = &Private->DataListHead;\r | |
780 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
781 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
782 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1); \r | |
783 | \r | |
784 | //\r | |
4659816a | 785 | // If SmbiosHandle is 0xFFFE, the first matched SMBIOS record handle will be returned\r |
310b04e6 | 786 | //\r |
4659816a | 787 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r |
310b04e6 | 788 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r |
789 | continue; \r | |
790 | }\r | |
791 | \r | |
792 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
793 | *Record =SmbiosTableHeader;\r | |
794 | if (ProducerHandle != NULL) {\r | |
795 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
796 | }\r | |
797 | return EFI_SUCCESS;\r | |
798 | }\r | |
799 | \r | |
800 | //\r | |
0ddd8553 | 801 | // Start this round search from the next SMBIOS handle\r |
310b04e6 | 802 | //\r |
803 | if (!StartPointFound && (*SmbiosHandle == SmbiosTableHeader->Handle)) {\r | |
804 | StartPointFound = TRUE;\r | |
805 | continue;\r | |
806 | }\r | |
807 | \r | |
808 | if (StartPointFound) {\r | |
809 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
810 | continue; \r | |
811 | }\r | |
812 | \r | |
813 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
814 | *Record = SmbiosTableHeader; \r | |
815 | if (ProducerHandle != NULL) {\r | |
816 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
817 | }\r | |
818 | \r | |
819 | return EFI_SUCCESS; \r | |
820 | }\r | |
821 | }\r | |
822 | \r | |
4659816a | 823 | *SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r |
310b04e6 | 824 | return EFI_NOT_FOUND;\r |
825 | \r | |
826 | }\r | |
827 | \r | |
0ddd8553 | 828 | /**\r |
829 | Allow the caller to discover all of the SMBIOS records.\r | |
830 | \r | |
831 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
832 | @param CurrentSmbiosEntry On exit, points to the SMBIOS entry on the list which includes the returned SMBIOS record information. \r | |
833 | If *CurrentSmbiosEntry is NULL on entry, then the first SMBIOS entry on the list will be returned. \r | |
834 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
835 | the unformatted area. The unformatted area optionally contains text strings.\r | |
836 | \r | |
837 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
838 | *CurrentSmbiosEntry points to the SMBIOS entry which includes the returned SMBIOS record information.\r | |
839 | @retval EFI_NOT_FOUND There is no more SMBIOS entry.\r | |
840 | \r | |
841 | **/\r | |
842 | EFI_STATUS\r | |
843 | EFIAPI\r | |
844 | GetNextSmbiosRecord (\r | |
845 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
846 | IN OUT EFI_SMBIOS_ENTRY **CurrentSmbiosEntry,\r | |
847 | OUT EFI_SMBIOS_TABLE_HEADER **Record\r | |
848 | )\r | |
849 | {\r | |
850 | LIST_ENTRY *Link;\r | |
851 | LIST_ENTRY *Head;\r | |
852 | SMBIOS_INSTANCE *Private;\r | |
853 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
854 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
855 | \r | |
856 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
857 | if (*CurrentSmbiosEntry == NULL) {\r | |
858 | //\r | |
859 | // Get the beginning of SMBIOS entry.\r | |
860 | //\r | |
861 | Head = &Private->DataListHead;\r | |
862 | } else {\r | |
863 | //\r | |
864 | // Get previous SMBIOS entry and make it as start point.\r | |
865 | //\r | |
866 | Head = &(*CurrentSmbiosEntry)->Link;\r | |
867 | }\r | |
868 | \r | |
869 | Link = Head->ForwardLink;\r | |
870 | \r | |
871 | if (Link == &Private->DataListHead) {\r | |
872 | //\r | |
873 | // If no more SMBIOS entry in the list, return not found.\r | |
874 | //\r | |
875 | return EFI_NOT_FOUND;\r | |
876 | }\r | |
877 | \r | |
878 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
879 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
880 | *Record = SmbiosTableHeader; \r | |
881 | *CurrentSmbiosEntry = SmbiosEntry;\r | |
882 | return EFI_SUCCESS; \r | |
883 | }\r | |
310b04e6 | 884 | \r |
885 | /**\r | |
0ddd8553 | 886 | Assembles SMBIOS table from the SMBIOS protocol. Produce Table\r |
310b04e6 | 887 | Entry Point and return the pointer to it.\r |
888 | \r | |
889 | @param TableEntryPointStructure On exit, points to the SMBIOS entrypoint structure.\r | |
890 | \r | |
891 | @retval EFI_SUCCESS Structure created sucessfully.\r | |
892 | @retval EFI_NOT_READY Some of The SMBIOS records was not available yet.\r | |
893 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
894 | \r | |
895 | **/\r | |
896 | EFI_STATUS\r | |
897 | EFIAPI\r | |
898 | SmbiosCreateTable (\r | |
899 | OUT VOID **TableEntryPointStructure\r | |
900 | )\r | |
901 | {\r | |
310b04e6 | 902 | UINT8 *BufferPointer;\r |
310b04e6 | 903 | UINTN RecordSize;\r |
904 | UINTN NumOfStr;\r | |
905 | EFI_STATUS Status;\r | |
906 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
907 | EFI_SMBIOS_PROTOCOL *SmbiosProtocol;\r | |
908 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r | |
909 | EFI_SMBIOS_TABLE_HEADER *SmbiosRecord;\r | |
910 | EFI_SMBIOS_TABLE_END_STRUCTURE EndStructure;\r | |
0ddd8553 | 911 | EFI_SMBIOS_ENTRY *CurrentSmbiosEntry;\r |
310b04e6 | 912 | \r |
913 | Status = EFI_SUCCESS;\r | |
914 | BufferPointer = NULL;\r | |
310b04e6 | 915 | \r |
916 | //\r | |
0ddd8553 | 917 | // Get Smbios protocol to traverse SMBIOS records.\r |
310b04e6 | 918 | //\r |
0ddd8553 | 919 | SmbiosProtocol = &mPrivateData.Smbios;\r |
310b04e6 | 920 | \r |
310b04e6 | 921 | //\r |
922 | // Make some statistics about all the structures\r | |
923 | //\r | |
924 | EntryPointStructure->NumberOfSmbiosStructures = 0;\r | |
925 | EntryPointStructure->TableLength = 0;\r | |
926 | EntryPointStructure->MaxStructureSize = 0;\r | |
310b04e6 | 927 | \r |
928 | //\r | |
929 | // Calculate EPS Table Length\r | |
930 | //\r | |
0ddd8553 | 931 | CurrentSmbiosEntry = NULL;\r |
310b04e6 | 932 | do {\r |
0ddd8553 | 933 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r |
310b04e6 | 934 | \r |
935 | if (Status == EFI_SUCCESS) {\r | |
afe3969c | 936 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r |
310b04e6 | 937 | //\r |
938 | // Record NumberOfSmbiosStructures, TableLength and MaxStructureSize\r | |
939 | //\r | |
afe3969c | 940 | EntryPointStructure->NumberOfSmbiosStructures++;\r |
310b04e6 | 941 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + RecordSize);\r |
942 | if (RecordSize > EntryPointStructure->MaxStructureSize) {\r | |
943 | EntryPointStructure->MaxStructureSize = (UINT16) RecordSize;\r | |
944 | }\r | |
945 | }\r | |
946 | } while (!EFI_ERROR(Status));\r | |
947 | \r | |
948 | //\r | |
949 | // Create End-Of-Table structure\r | |
950 | //\r | |
951 | GetMaxSmbiosHandle(SmbiosProtocol, &SmbiosHandle);\r | |
952 | EndStructure.Header.Type = EFI_SMBIOS_TYPE_END_OF_TABLE;\r | |
c9325700 | 953 | EndStructure.Header.Length = (UINT8) sizeof (EFI_SMBIOS_TABLE_HEADER);\r |
310b04e6 | 954 | EndStructure.Header.Handle = SmbiosHandle;\r |
955 | EndStructure.Tailing[0] = 0;\r | |
956 | EndStructure.Tailing[1] = 0;\r | |
957 | EntryPointStructure->NumberOfSmbiosStructures++;\r | |
958 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + sizeof (EndStructure));\r | |
959 | if (sizeof (EndStructure) > EntryPointStructure->MaxStructureSize) {\r | |
960 | EntryPointStructure->MaxStructureSize = (UINT16) sizeof (EndStructure);\r | |
961 | }\r | |
310b04e6 | 962 | \r |
4233bf70 | 963 | if ((UINTN) EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength) > mPreAllocatedPages) {\r |
0ddd8553 | 964 | //\r |
965 | // If new SMBIOS talbe size exceeds the original pre-allocated page, \r | |
966 | // it is time to re-allocate memory (below 4GB).\r | |
967 | // \r | |
968 | if (EntryPointStructure->TableAddress != 0) {\r | |
969 | //\r | |
970 | // Free the original pre-allocated page\r | |
971 | // \r | |
972 | FreePages (\r | |
973 | (VOID*)(UINTN)EntryPointStructure->TableAddress,\r | |
4233bf70 | 974 | mPreAllocatedPages\r |
0ddd8553 | 975 | );\r |
976 | EntryPointStructure->TableAddress = 0;\r | |
4233bf70 | 977 | mPreAllocatedPages = 0;\r |
0ddd8553 | 978 | }\r |
979 | \r | |
980 | PhysicalAddress = 0xffffffff;\r | |
981 | Status = gBS->AllocatePages (\r | |
982 | AllocateMaxAddress,\r | |
983 | EfiReservedMemoryType,\r | |
984 | EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength),\r | |
985 | &PhysicalAddress\r | |
986 | );\r | |
987 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 988 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable() could not allocate SMBIOS table < 4GB\n"));\r |
989 | EntryPointStructure->TableAddress = 0;\r | |
0ddd8553 | 990 | return EFI_OUT_OF_RESOURCES;\r |
c7ce5169 | 991 | } else {\r |
992 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
4233bf70 | 993 | mPreAllocatedPages = EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength);\r |
0ddd8553 | 994 | }\r |
0ddd8553 | 995 | }\r |
310b04e6 | 996 | \r |
997 | //\r | |
998 | // Assemble the tables\r | |
999 | //\r | |
f63085f5 | 1000 | ASSERT (EntryPointStructure->TableAddress != 0);\r |
0ddd8553 | 1001 | BufferPointer = (UINT8 *) (UINTN) EntryPointStructure->TableAddress;\r |
1002 | CurrentSmbiosEntry = NULL;\r | |
310b04e6 | 1003 | do {\r |
0ddd8553 | 1004 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r |
1005 | \r | |
310b04e6 | 1006 | if (Status == EFI_SUCCESS) {\r |
afe3969c | 1007 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r |
310b04e6 | 1008 | CopyMem (BufferPointer, SmbiosRecord, RecordSize);\r |
1009 | BufferPointer = BufferPointer + RecordSize;\r | |
1010 | }\r | |
1011 | } while (!EFI_ERROR(Status));\r | |
1012 | \r | |
1013 | //\r | |
1014 | // Assemble End-Of-Table structure\r | |
1015 | //\r | |
1016 | CopyMem (BufferPointer, &EndStructure, sizeof (EndStructure));\r | |
1017 | \r | |
1018 | //\r | |
1019 | // Fixup checksums in the Entry Point Structure\r | |
1020 | //\r | |
47f8d0f3 JY |
1021 | EntryPointStructure->IntermediateChecksum = 0;\r |
1022 | EntryPointStructure->EntryPointStructureChecksum = 0;\r | |
1023 | \r | |
afe3969c SZ |
1024 | EntryPointStructure->IntermediateChecksum =\r |
1025 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure + 0x10, EntryPointStructure->EntryPointLength - 0x10);\r | |
1026 | EntryPointStructure->EntryPointStructureChecksum =\r | |
1027 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure, EntryPointStructure->EntryPointLength);\r | |
310b04e6 | 1028 | \r |
1029 | //\r | |
1030 | // Returns the pointer\r | |
1031 | //\r | |
1032 | *TableEntryPointStructure = EntryPointStructure;\r | |
1033 | \r | |
1034 | return EFI_SUCCESS;\r | |
1035 | }\r | |
1036 | \r | |
310b04e6 | 1037 | /**\r |
0ddd8553 | 1038 | Create SMBIOS Table and install it to the System Table.\r |
310b04e6 | 1039 | **/\r |
1040 | VOID\r | |
1041 | EFIAPI\r | |
1042 | SmbiosTableConstruction (\r | |
0ddd8553 | 1043 | VOID\r |
310b04e6 | 1044 | )\r |
1045 | {\r | |
1046 | UINT8 *Eps;\r | |
1047 | EFI_STATUS Status;\r | |
1048 | \r | |
1049 | Status = SmbiosCreateTable ((VOID **) &Eps);\r | |
1050 | if (!EFI_ERROR (Status)) {\r | |
1051 | gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, Eps);\r | |
1052 | }\r | |
1053 | }\r | |
1054 | \r | |
310b04e6 | 1055 | /**\r |
1056 | \r | |
0ddd8553 | 1057 | Driver to produce Smbios protocol and pre-allocate 1 page for the final SMBIOS table. \r |
310b04e6 | 1058 | \r |
1059 | @param ImageHandle Module's image handle\r | |
1060 | @param SystemTable Pointer of EFI_SYSTEM_TABLE\r | |
1061 | \r | |
1062 | @retval EFI_SUCCESS Smbios protocol installed\r | |
1063 | @retval Other No protocol installed, unload driver.\r | |
1064 | \r | |
1065 | **/\r | |
1066 | EFI_STATUS\r | |
1067 | EFIAPI\r | |
1068 | SmbiosDriverEntryPoint (\r | |
1069 | IN EFI_HANDLE ImageHandle,\r | |
1070 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1071 | )\r | |
1072 | {\r | |
1073 | EFI_STATUS Status;\r | |
0ddd8553 | 1074 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r |
310b04e6 | 1075 | \r |
1076 | mPrivateData.Signature = SMBIOS_INSTANCE_SIGNATURE;\r | |
1077 | mPrivateData.Smbios.Add = SmbiosAdd;\r | |
1078 | mPrivateData.Smbios.UpdateString = SmbiosUpdateString;\r | |
1079 | mPrivateData.Smbios.Remove = SmbiosRemove;\r | |
1080 | mPrivateData.Smbios.GetNext = SmbiosGetNext;\r | |
9f7d5b46 | 1081 | mPrivateData.Smbios.MajorVersion = (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) >> 8);\r |
1082 | mPrivateData.Smbios.MinorVersion = (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) & 0x00ff);\r | |
310b04e6 | 1083 | \r |
1084 | InitializeListHead (&mPrivateData.DataListHead);\r | |
1085 | InitializeListHead (&mPrivateData.AllocatedHandleListHead);\r | |
1086 | EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);\r | |
0ddd8553 | 1087 | \r |
1088 | //\r | |
1089 | // Initialize the EntryPointStructure with initial values.\r | |
1090 | // Allocate memory (below 4GB).\r | |
1091 | //\r | |
1092 | PhysicalAddress = 0xffffffff;\r | |
1093 | Status = gBS->AllocatePages (\r | |
1094 | AllocateMaxAddress,\r | |
1095 | EfiReservedMemoryType,\r | |
1096 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1097 | &PhysicalAddress\r | |
1098 | );\r | |
1099 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 1100 | DEBUG ((EFI_D_ERROR, "SmbiosDriverEntryPoint() could not allocate EntryPointStructure < 4GB\n"));\r |
1101 | Status = gBS->AllocatePages (\r | |
1102 | AllocateAnyPages,\r | |
1103 | EfiReservedMemoryType,\r | |
1104 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1105 | &PhysicalAddress\r | |
1106 | );\r | |
1107 | if (EFI_ERROR (Status)) { \r | |
1108 | return EFI_OUT_OF_RESOURCES;\r | |
1109 | }\r | |
0ddd8553 | 1110 | }\r |
1111 | \r | |
1112 | EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) (UINTN) PhysicalAddress;\r | |
310b04e6 | 1113 | \r |
0ddd8553 | 1114 | CopyMem (\r |
1115 | EntryPointStructure,\r | |
1116 | &EntryPointStructureData,\r | |
1117 | sizeof (SMBIOS_TABLE_ENTRY_POINT)\r | |
1118 | );\r | |
1119 | \r | |
1120 | //\r | |
1121 | // Pre-allocate 1 page for SMBIOS table below 4GB.\r | |
1122 | // SMBIOS table will be updated when new SMBIOS type is added or \r | |
1123 | // existing SMBIOS type is updated. If the total size of SMBIOS table exceeds 1 page,\r | |
1124 | // we will re-allocate new memory when creating whole SMBIOS table.\r | |
1125 | //\r | |
1126 | PhysicalAddress = 0xffffffff;\r | |
1127 | Status = gBS->AllocatePages (\r | |
1128 | AllocateMaxAddress,\r | |
1129 | EfiReservedMemoryType,\r | |
1130 | 1,\r | |
1131 | &PhysicalAddress\r | |
1132 | );\r | |
1133 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 1134 | DEBUG ((EFI_D_ERROR, "SmbiosDriverEntryPoint() could not allocate SMBIOS table < 4GB\n"));\r |
1135 | EntryPointStructure->TableAddress = 0;\r | |
c7ce5169 | 1136 | } else {\r |
1137 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
4233bf70 | 1138 | mPreAllocatedPages = 1;\r |
0ddd8553 | 1139 | }\r |
4233bf70 SZ |
1140 | \r |
1141 | //\r | |
1142 | // Init TableLength to the length of End-Of-Table structure for SmbiosAdd() called at the first time\r | |
1143 | // to check the TableLength limitation.\r | |
1144 | //\r | |
1145 | EntryPointStructure->TableLength = sizeof (EFI_SMBIOS_TABLE_END_STRUCTURE);\r | |
c7ce5169 | 1146 | \r |
310b04e6 | 1147 | //\r |
1148 | // Make a new handle and install the protocol\r | |
1149 | //\r | |
1150 | mPrivateData.Handle = NULL;\r | |
1151 | Status = gBS->InstallProtocolInterface (\r | |
1152 | &mPrivateData.Handle,\r | |
1153 | &gEfiSmbiosProtocolGuid,\r | |
1154 | EFI_NATIVE_INTERFACE,\r | |
1155 | &mPrivateData.Smbios\r | |
1156 | );\r | |
1157 | \r | |
310b04e6 | 1158 | return Status;\r |
1159 | }\r |