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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 | |
f49146e8 | 5 | Copyright (c) 2009 - 2013, 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 | |
f49146e8 | 90 | // TableLength, TO BE FILLED\r |
310b04e6 | 91 | //\r |
92 | 0,\r | |
93 | //\r | |
f49146e8 | 94 | // TableAddress, TO BE FILLED\r |
310b04e6 | 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 | |
f49146e8 | 104 | (UINT8) ((FixedPcdGet16 (PcdSmbiosVersion) >> 4) & 0xf0)\r |
105 | | (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) & 0x0f)\r | |
310b04e6 | 106 | };\r |
107 | \r | |
108 | \r | |
c7ce5169 | 109 | \r |
310b04e6 | 110 | /**\r |
111 | \r | |
0ddd8553 | 112 | Get the full size of SMBIOS structure including optional strings that follow the formatted structure.\r |
310b04e6 | 113 | \r |
afe3969c | 114 | @param This The EFI_SMBIOS_PROTOCOL instance.\r |
0ddd8553 | 115 | @param Head Pointer to the beginning of SMBIOS structure.\r |
310b04e6 | 116 | @param Size The returned size.\r |
117 | @param NumberOfStrings The returned number of optional strings that follow the formatted structure.\r | |
118 | \r | |
119 | @retval EFI_SUCCESS Size retured in Size.\r | |
0ddd8553 | 120 | @retval EFI_INVALID_PARAMETER Input SMBIOS structure mal-formed or Size is NULL.\r |
310b04e6 | 121 | \r |
122 | **/\r | |
123 | EFI_STATUS\r | |
124 | EFIAPI\r | |
125 | GetSmbiosStructureSize (\r | |
afe3969c | 126 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r |
310b04e6 | 127 | IN EFI_SMBIOS_TABLE_HEADER *Head,\r |
128 | OUT UINTN *Size,\r | |
129 | OUT UINTN *NumberOfStrings\r | |
130 | )\r | |
131 | {\r | |
132 | UINTN FullSize;\r | |
2d97e71f | 133 | UINTN StrLen;\r |
4233bf70 | 134 | UINTN MaxLen;\r |
310b04e6 | 135 | INT8* CharInStr;\r |
136 | \r | |
137 | if (Size == NULL || NumberOfStrings == NULL) {\r | |
138 | return EFI_INVALID_PARAMETER;\r | |
139 | }\r | |
140 | \r | |
141 | FullSize = Head->Length;\r | |
142 | CharInStr = (INT8*)Head + Head->Length;\r | |
143 | *Size = FullSize;\r | |
144 | *NumberOfStrings = 0;\r | |
145 | StrLen = 0;\r | |
146 | //\r | |
147 | // look for the two consecutive zeros, check the string limit by the way.\r | |
148 | //\r | |
149 | while (*CharInStr != 0 || *(CharInStr+1) != 0) { \r | |
150 | if (*CharInStr == 0) {\r | |
310b04e6 | 151 | *Size += 1;\r |
152 | CharInStr++;\r | |
153 | }\r | |
154 | \r | |
afe3969c | 155 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)){\r |
4233bf70 | 156 | MaxLen = SMBIOS_STRING_MAX_LENGTH;\r |
afe3969c SZ |
157 | } else {\r |
158 | //\r | |
4233bf70 SZ |
159 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r |
160 | // However, the length of the entire structure table (including all strings) must be reported\r | |
161 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
162 | // which is a WORD field limited to 65,535 bytes.\r | |
afe3969c | 163 | //\r |
4233bf70 SZ |
164 | MaxLen = SMBIOS_TABLE_MAX_LENGTH;\r |
165 | }\r | |
166 | \r | |
167 | for (StrLen = 0 ; StrLen < MaxLen; StrLen++) {\r | |
168 | if (*(CharInStr+StrLen) == 0) {\r | |
169 | break;\r | |
afe3969c | 170 | }\r |
310b04e6 | 171 | }\r |
afe3969c | 172 | \r |
4233bf70 SZ |
173 | if (StrLen == MaxLen) {\r |
174 | return EFI_INVALID_PARAMETER;\r | |
175 | }\r | |
176 | \r | |
310b04e6 | 177 | //\r |
178 | // forward the pointer\r | |
179 | //\r | |
180 | CharInStr += StrLen;\r | |
181 | *Size += StrLen;\r | |
310b04e6 | 182 | *NumberOfStrings += 1;\r |
183 | }\r | |
f8ee20c9 | 184 | \r |
310b04e6 | 185 | //\r |
186 | // count ending two zeros.\r | |
187 | //\r | |
188 | *Size += 2;\r | |
afe3969c | 189 | return EFI_SUCCESS;\r |
310b04e6 | 190 | }\r |
191 | \r | |
192 | /**\r | |
193 | \r | |
194 | Determin whether an SmbiosHandle has already in use.\r | |
195 | \r | |
0ddd8553 | 196 | @param Head Pointer to the beginning of SMBIOS structure.\r |
310b04e6 | 197 | @param Handle A unique handle will be assigned to the SMBIOS record.\r |
198 | \r | |
199 | @retval TRUE Smbios handle already in use.\r | |
200 | @retval FALSE Smbios handle is NOT used.\r | |
201 | \r | |
202 | **/\r | |
203 | BOOLEAN\r | |
204 | EFIAPI\r | |
205 | CheckSmbiosHandleExistance (\r | |
206 | IN LIST_ENTRY *Head,\r | |
207 | IN EFI_SMBIOS_HANDLE Handle\r | |
208 | )\r | |
209 | {\r | |
210 | LIST_ENTRY *Link;\r | |
211 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
212 | \r | |
213 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
214 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
215 | if (HandleEntry->SmbiosHandle == Handle) {\r | |
216 | return TRUE;\r | |
217 | }\r | |
218 | }\r | |
219 | \r | |
220 | return FALSE;\r | |
221 | }\r | |
222 | \r | |
223 | /**\r | |
224 | \r | |
225 | Get the max SmbiosHandle that could be use.\r | |
226 | \r | |
227 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
228 | @param MaxHandle The max handle that could be assigned to the SMBIOS record.\r | |
229 | \r | |
230 | **/\r | |
231 | VOID\r | |
232 | EFIAPI\r | |
233 | GetMaxSmbiosHandle (\r | |
234 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
235 | IN OUT EFI_SMBIOS_HANDLE *MaxHandle\r | |
236 | ) \r | |
237 | {\r | |
238 | if (This->MajorVersion == 2 && This->MinorVersion == 0) {\r | |
239 | *MaxHandle = 0xFFFE;\r | |
240 | } else {\r | |
241 | *MaxHandle = 0xFEFF;\r | |
242 | }\r | |
243 | }\r | |
244 | \r | |
245 | /**\r | |
246 | \r | |
247 | Get an SmbiosHandle that could use.\r | |
248 | \r | |
249 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
250 | @param SmbiosHandle A unique handle will be assigned to the SMBIOS record.\r | |
251 | \r | |
252 | @retval EFI_SUCCESS Smbios handle got.\r | |
253 | @retval EFI_OUT_OF_RESOURCES Smbios handle is NOT available.\r | |
254 | \r | |
255 | **/\r | |
256 | EFI_STATUS\r | |
257 | EFIAPI\r | |
258 | GetAvailableSmbiosHandle (\r | |
259 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
260 | IN OUT EFI_SMBIOS_HANDLE *Handle\r | |
261 | )\r | |
262 | {\r | |
263 | LIST_ENTRY *Head;\r | |
264 | SMBIOS_INSTANCE *Private;\r | |
265 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
266 | EFI_SMBIOS_HANDLE AvailableHandle;\r | |
267 | \r | |
268 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
269 | \r | |
270 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
271 | Head = &Private->AllocatedHandleListHead;\r | |
4659816a | 272 | for (AvailableHandle = 0; AvailableHandle < MaxSmbiosHandle; AvailableHandle++) {\r |
310b04e6 | 273 | if (!CheckSmbiosHandleExistance(Head, AvailableHandle)) {\r |
274 | *Handle = AvailableHandle;\r | |
275 | return EFI_SUCCESS;\r | |
276 | }\r | |
277 | }\r | |
278 | \r | |
279 | return EFI_OUT_OF_RESOURCES;\r | |
280 | }\r | |
281 | \r | |
282 | \r | |
283 | /**\r | |
284 | Add an SMBIOS record.\r | |
285 | \r | |
286 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
287 | @param ProducerHandle The handle of the controller or driver associated with the SMBIOS information. NULL\r | |
288 | means no handle.\r | |
4659816a SZ |
289 | @param SmbiosHandle On entry, the handle of the SMBIOS record to add. If FFFEh, then a unique handle\r |
290 | will be assigned to the SMBIOS record. If the SMBIOS handle is already in use,\r | |
310b04e6 | 291 | EFI_ALREADY_STARTED is returned and the SMBIOS record is not updated.\r |
292 | @param Record The data for the fixed portion of the SMBIOS record. The format of the record is\r | |
293 | determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined \r | |
294 | by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or \r | |
295 | a set of null terminated strings and a null.\r | |
296 | \r | |
297 | @retval EFI_SUCCESS Record was added.\r | |
298 | @retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.\r | |
299 | @retval EFI_ALREADY_STARTED The SmbiosHandle passed in was already in use.\r | |
300 | \r | |
301 | **/\r | |
302 | EFI_STATUS\r | |
303 | EFIAPI\r | |
304 | SmbiosAdd (\r | |
305 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
306 | IN EFI_HANDLE ProducerHandle, OPTIONAL\r | |
307 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
308 | IN EFI_SMBIOS_TABLE_HEADER *Record\r | |
309 | )\r | |
310 | {\r | |
311 | VOID *Raw;\r | |
312 | UINTN TotalSize;\r | |
313 | UINTN RecordSize;\r | |
314 | UINTN StructureSize;\r | |
315 | UINTN NumberOfStrings;\r | |
316 | EFI_STATUS Status;\r | |
317 | LIST_ENTRY *Head;\r | |
318 | SMBIOS_INSTANCE *Private;\r | |
319 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
320 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
321 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
322 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
323 | \r | |
324 | if (SmbiosHandle == NULL) {\r | |
325 | return EFI_INVALID_PARAMETER;\r | |
326 | }\r | |
327 | \r | |
328 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
329 | //\r | |
330 | // Check whether SmbiosHandle is already in use\r | |
331 | //\r | |
332 | Head = &Private->AllocatedHandleListHead;\r | |
4659816a | 333 | if (*SmbiosHandle != SMBIOS_HANDLE_PI_RESERVED && CheckSmbiosHandleExistance(Head, *SmbiosHandle)) {\r |
310b04e6 | 334 | return EFI_ALREADY_STARTED;\r |
335 | }\r | |
336 | \r | |
337 | //\r | |
4659816a | 338 | // when SmbiosHandle is 0xFFFE, an available handle will be assigned\r |
310b04e6 | 339 | //\r |
4659816a | 340 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r |
310b04e6 | 341 | Status = GetAvailableSmbiosHandle(This, SmbiosHandle);\r |
342 | if (EFI_ERROR(Status)) {\r | |
343 | return Status;\r | |
344 | }\r | |
345 | } else {\r | |
346 | //\r | |
347 | // Check this handle validity\r | |
348 | //\r | |
349 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
350 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
351 | return EFI_INVALID_PARAMETER;\r | |
352 | }\r | |
353 | }\r | |
354 | \r | |
355 | //\r | |
356 | // Calculate record size and string number\r | |
357 | //\r | |
afe3969c | 358 | Status = GetSmbiosStructureSize(This, Record, &StructureSize, &NumberOfStrings);\r |
310b04e6 | 359 | if (EFI_ERROR(Status)) {\r |
360 | return Status;\r | |
361 | }\r | |
362 | \r | |
4233bf70 SZ |
363 | if (EntryPointStructure->TableLength + StructureSize > SMBIOS_TABLE_MAX_LENGTH) {\r |
364 | //\r | |
365 | // The length of the entire structure table (including all strings) must be reported\r | |
366 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
367 | // which is a WORD field limited to 65,535 bytes.\r | |
368 | //\r | |
369 | return EFI_OUT_OF_RESOURCES;\r | |
370 | }\r | |
371 | \r | |
310b04e6 | 372 | //\r |
373 | // Enter into critical section\r | |
374 | // \r | |
375 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
376 | if (EFI_ERROR (Status)) {\r | |
377 | return Status;\r | |
378 | }\r | |
379 | \r | |
380 | RecordSize = sizeof (EFI_SMBIOS_RECORD_HEADER) + StructureSize;\r | |
381 | TotalSize = sizeof (EFI_SMBIOS_ENTRY) + RecordSize;\r | |
382 | \r | |
383 | //\r | |
384 | // Allocate internal buffer\r | |
385 | //\r | |
0d34b1cf | 386 | SmbiosEntry = AllocateZeroPool (TotalSize);\r |
310b04e6 | 387 | if (SmbiosEntry == NULL) {\r |
388 | EfiReleaseLock (&Private->DataLock);\r | |
389 | return EFI_OUT_OF_RESOURCES;\r | |
390 | }\r | |
0d34b1cf | 391 | HandleEntry = AllocateZeroPool (sizeof(SMBIOS_HANDLE_ENTRY));\r |
310b04e6 | 392 | if (HandleEntry == NULL) {\r |
393 | EfiReleaseLock (&Private->DataLock);\r | |
394 | return EFI_OUT_OF_RESOURCES;\r | |
395 | }\r | |
396 | \r | |
397 | //\r | |
398 | // Build Handle Entry and insert into linked list\r | |
399 | //\r | |
310b04e6 | 400 | HandleEntry->Signature = SMBIOS_HANDLE_ENTRY_SIGNATURE;\r |
401 | HandleEntry->SmbiosHandle = *SmbiosHandle;\r | |
402 | InsertTailList(&Private->AllocatedHandleListHead, &HandleEntry->Link);\r | |
403 | \r | |
310b04e6 | 404 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (SmbiosEntry + 1);\r |
405 | Raw = (VOID *) (InternalRecord + 1);\r | |
406 | \r | |
407 | //\r | |
408 | // Build internal record Header\r | |
409 | //\r | |
410 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
c9325700 | 411 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r |
310b04e6 | 412 | InternalRecord->RecordSize = RecordSize;\r |
413 | InternalRecord->ProducerHandle = ProducerHandle;\r | |
414 | InternalRecord->NumberOfStrings = NumberOfStrings;\r | |
415 | //\r | |
416 | // Insert record into the internal linked list\r | |
417 | //\r | |
418 | SmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
419 | SmbiosEntry->RecordHeader = InternalRecord;\r | |
420 | SmbiosEntry->RecordSize = TotalSize;\r | |
421 | InsertTailList (&Private->DataListHead, &SmbiosEntry->Link);\r | |
422 | \r | |
423 | CopyMem (Raw, Record, StructureSize);\r | |
424 | ((EFI_SMBIOS_TABLE_HEADER*)Raw)->Handle = *SmbiosHandle;\r | |
425 | \r | |
0ddd8553 | 426 | //\r |
427 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
428 | // Here we create SMBIOS table and publish it in\r | |
429 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
430 | // configuration table without depending on PI SMBIOS protocol.\r | |
431 | //\r | |
432 | SmbiosTableConstruction ();\r | |
433 | \r | |
310b04e6 | 434 | //\r |
435 | // Leave critical section\r | |
436 | //\r | |
437 | EfiReleaseLock (&Private->DataLock);\r | |
438 | return EFI_SUCCESS;\r | |
439 | }\r | |
440 | \r | |
441 | /**\r | |
442 | Update the string associated with an existing SMBIOS record.\r | |
443 | \r | |
444 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
445 | @param SmbiosHandle SMBIOS Handle of structure that will have its string updated.\r | |
446 | @param StringNumber The non-zero string number of the string to update\r | |
447 | @param String Update the StringNumber string with String.\r | |
448 | \r | |
449 | @retval EFI_SUCCESS SmbiosHandle had its StringNumber String updated.\r | |
450 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not exist.\r | |
4659816a | 451 | @retval EFI_UNSUPPORTED String was not added because it is longer than the SMBIOS Table supports.\r |
310b04e6 | 452 | @retval EFI_NOT_FOUND The StringNumber.is not valid for this SMBIOS record.\r |
453 | \r | |
454 | **/\r | |
455 | EFI_STATUS\r | |
456 | EFIAPI\r | |
457 | SmbiosUpdateString (\r | |
458 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
459 | IN EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
460 | IN UINTN *StringNumber,\r | |
461 | IN CHAR8 *String\r | |
462 | )\r | |
463 | {\r | |
464 | UINTN InputStrLen;\r | |
465 | UINTN TargetStrLen;\r | |
466 | UINTN StrIndex;\r | |
467 | UINTN TargetStrOffset;\r | |
468 | UINTN NewEntrySize;\r | |
469 | CHAR8 *StrStart;\r | |
470 | VOID *Raw;\r | |
471 | LIST_ENTRY *Link;\r | |
472 | LIST_ENTRY *Head;\r | |
473 | EFI_STATUS Status;\r | |
474 | SMBIOS_INSTANCE *Private;\r | |
475 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
476 | EFI_SMBIOS_ENTRY *ResizedSmbiosEntry;\r | |
477 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
478 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
479 | EFI_SMBIOS_RECORD_HEADER *InternalRecord;\r | |
480 | \r | |
481 | //\r | |
482 | // Check args validity\r | |
483 | //\r | |
484 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
485 | \r | |
486 | if (*SmbiosHandle > MaxSmbiosHandle) {\r | |
487 | return EFI_INVALID_PARAMETER;\r | |
488 | }\r | |
489 | \r | |
490 | if (String == NULL) {\r | |
491 | return EFI_ABORTED;\r | |
492 | }\r | |
493 | \r | |
494 | if (*StringNumber == 0) {\r | |
495 | return EFI_NOT_FOUND;\r | |
496 | }\r | |
497 | \r | |
498 | InputStrLen = AsciiStrLen(String);\r | |
afe3969c | 499 | \r |
afe3969c SZ |
500 | if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)) {\r |
501 | if (InputStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
502 | return EFI_UNSUPPORTED;\r | |
503 | }\r | |
4233bf70 SZ |
504 | } else {\r |
505 | //\r | |
506 | // Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.\r | |
507 | // However, the length of the entire structure table (including all strings) must be reported \r | |
508 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
509 | // which is a WORD field limited to 65,535 bytes.\r | |
510 | //\r | |
511 | if (InputStrLen > SMBIOS_TABLE_MAX_LENGTH) {\r | |
512 | return EFI_UNSUPPORTED;\r | |
513 | }\r | |
310b04e6 | 514 | }\r |
515 | \r | |
516 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
517 | //\r | |
518 | // Enter into critical section\r | |
519 | // \r | |
520 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
521 | if (EFI_ERROR (Status)) {\r | |
522 | return Status;\r | |
523 | }\r | |
524 | \r | |
525 | Head = &Private->DataListHead;\r | |
526 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
527 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
528 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
529 | \r | |
afe3969c | 530 | if (Record->Handle == *SmbiosHandle) {\r |
310b04e6 | 531 | //\r |
0ddd8553 | 532 | // Find out the specified SMBIOS record\r |
310b04e6 | 533 | //\r |
534 | if (*StringNumber > SmbiosEntry->RecordHeader->NumberOfStrings) {\r | |
535 | EfiReleaseLock (&Private->DataLock);\r | |
536 | return EFI_NOT_FOUND;\r | |
537 | }\r | |
538 | //\r | |
539 | // Point to unformed string section\r | |
540 | //\r | |
afe3969c | 541 | StrStart = (CHAR8 *) Record + Record->Length;\r |
310b04e6 | 542 | \r |
543 | for (StrIndex = 1, TargetStrOffset = 0; StrIndex < *StringNumber; StrStart++, TargetStrOffset++) {\r | |
544 | //\r | |
545 | // A string ends in 00h\r | |
546 | //\r | |
547 | if (*StrStart == 0) {\r | |
548 | StrIndex++;\r | |
549 | }\r | |
550 | \r | |
551 | //\r | |
552 | // String section ends in double-null (0000h)\r | |
553 | //\r | |
554 | if (*StrStart == 0 && *(StrStart + 1) == 0) {\r | |
555 | EfiReleaseLock (&Private->DataLock);\r | |
556 | return EFI_NOT_FOUND;\r | |
557 | } \r | |
558 | }\r | |
559 | \r | |
f8ee20c9 | 560 | if (*StrStart == 0) {\r |
afe3969c SZ |
561 | StrStart++;\r |
562 | TargetStrOffset++;\r | |
f8ee20c9 | 563 | }\r |
564 | \r | |
310b04e6 | 565 | //\r |
566 | // Now we get the string target\r | |
567 | //\r | |
568 | TargetStrLen = AsciiStrLen(StrStart);\r | |
569 | if (InputStrLen == TargetStrLen) {\r | |
570 | AsciiStrCpy(StrStart, String);\r | |
0ddd8553 | 571 | //\r |
572 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
573 | // Here we create SMBIOS table and publish it in\r | |
574 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
575 | // configuration table without depending on PI SMBIOS protocol.\r | |
576 | //\r | |
577 | SmbiosTableConstruction ();\r | |
310b04e6 | 578 | EfiReleaseLock (&Private->DataLock);\r |
579 | return EFI_SUCCESS;\r | |
580 | }\r | |
581 | \r | |
4233bf70 SZ |
582 | if (EntryPointStructure->TableLength + InputStrLen - TargetStrLen > SMBIOS_TABLE_MAX_LENGTH) {\r |
583 | //\r | |
584 | // The length of the entire structure table (including all strings) must be reported\r | |
585 | // in the Structure Table Length field of the SMBIOS Structure Table Entry Point,\r | |
586 | // which is a WORD field limited to 65,535 bytes.\r | |
587 | //\r | |
588 | return EFI_UNSUPPORTED;\r | |
589 | }\r | |
590 | \r | |
310b04e6 | 591 | //\r |
592 | // Original string buffer size is not exactly match input string length.\r | |
593 | // Re-allocate buffer is needed.\r | |
594 | //\r | |
595 | NewEntrySize = SmbiosEntry->RecordSize + InputStrLen - TargetStrLen;\r | |
0d34b1cf | 596 | ResizedSmbiosEntry = AllocateZeroPool (NewEntrySize);\r |
310b04e6 | 597 | \r |
598 | if (ResizedSmbiosEntry == NULL) {\r | |
599 | EfiReleaseLock (&Private->DataLock);\r | |
600 | return EFI_OUT_OF_RESOURCES;\r | |
601 | }\r | |
602 | \r | |
310b04e6 | 603 | InternalRecord = (EFI_SMBIOS_RECORD_HEADER *) (ResizedSmbiosEntry + 1);\r |
604 | Raw = (VOID *) (InternalRecord + 1);\r | |
605 | \r | |
606 | //\r | |
607 | // Build internal record Header\r | |
608 | //\r | |
609 | InternalRecord->Version = EFI_SMBIOS_RECORD_HEADER_VERSION;\r | |
c9325700 | 610 | InternalRecord->HeaderSize = (UINT16) sizeof (EFI_SMBIOS_RECORD_HEADER);\r |
310b04e6 | 611 | InternalRecord->RecordSize = SmbiosEntry->RecordHeader->RecordSize + InputStrLen - TargetStrLen;\r |
612 | InternalRecord->ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
613 | InternalRecord->NumberOfStrings = SmbiosEntry->RecordHeader->NumberOfStrings;\r | |
614 | \r | |
615 | //\r | |
0ddd8553 | 616 | // Copy SMBIOS structure and optional strings.\r |
310b04e6 | 617 | //\r |
f8ee20c9 | 618 | CopyMem (Raw, SmbiosEntry->RecordHeader + 1, Record->Length + TargetStrOffset);\r |
619 | CopyMem ((VOID*)((UINTN)Raw + Record->Length + TargetStrOffset), String, InputStrLen + 1);\r | |
620 | CopyMem ((CHAR8*)((UINTN)Raw + Record->Length + TargetStrOffset + InputStrLen + 1),\r | |
621 | (CHAR8*)Record + Record->Length + TargetStrOffset + TargetStrLen + 1,\r | |
622 | SmbiosEntry->RecordHeader->RecordSize - sizeof (EFI_SMBIOS_RECORD_HEADER) - Record->Length - TargetStrOffset - TargetStrLen - 1);\r | |
310b04e6 | 623 | \r |
624 | //\r | |
625 | // Insert new record\r | |
626 | //\r | |
627 | ResizedSmbiosEntry->Signature = EFI_SMBIOS_ENTRY_SIGNATURE;\r | |
628 | ResizedSmbiosEntry->RecordHeader = InternalRecord;\r | |
629 | ResizedSmbiosEntry->RecordSize = NewEntrySize;\r | |
630 | InsertTailList (Link->ForwardLink, &ResizedSmbiosEntry->Link);\r | |
631 | \r | |
632 | //\r | |
633 | // Remove old record\r | |
634 | //\r | |
635 | RemoveEntryList(Link);\r | |
636 | FreePool(SmbiosEntry);\r | |
0ddd8553 | 637 | //\r |
638 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
639 | // Here we create SMBIOS table and publish it in\r | |
640 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
641 | // configuration table without depending on PI SMBIOS protocol.\r | |
642 | //\r | |
643 | SmbiosTableConstruction ();\r | |
310b04e6 | 644 | EfiReleaseLock (&Private->DataLock);\r |
645 | return EFI_SUCCESS;\r | |
646 | }\r | |
647 | }\r | |
648 | \r | |
649 | EfiReleaseLock (&Private->DataLock);\r | |
650 | return EFI_INVALID_PARAMETER;\r | |
651 | }\r | |
652 | \r | |
653 | /**\r | |
654 | Remove an SMBIOS record.\r | |
655 | \r | |
656 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
657 | @param SmbiosHandle The handle of the SMBIOS record to remove.\r | |
658 | \r | |
659 | @retval EFI_SUCCESS SMBIOS record was removed.\r | |
660 | @retval EFI_INVALID_PARAMETER SmbiosHandle does not specify a valid SMBIOS record.\r | |
661 | \r | |
662 | **/\r | |
663 | EFI_STATUS\r | |
664 | EFIAPI\r | |
665 | SmbiosRemove (\r | |
666 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
667 | IN EFI_SMBIOS_HANDLE SmbiosHandle\r | |
668 | )\r | |
669 | {\r | |
670 | LIST_ENTRY *Link;\r | |
671 | LIST_ENTRY *Head;\r | |
672 | EFI_STATUS Status;\r | |
673 | EFI_SMBIOS_HANDLE MaxSmbiosHandle;\r | |
674 | SMBIOS_INSTANCE *Private;\r | |
675 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
676 | SMBIOS_HANDLE_ENTRY *HandleEntry;\r | |
677 | EFI_SMBIOS_TABLE_HEADER *Record;\r | |
678 | \r | |
679 | //\r | |
680 | // Check args validity\r | |
681 | //\r | |
682 | GetMaxSmbiosHandle(This, &MaxSmbiosHandle);\r | |
683 | \r | |
684 | if (SmbiosHandle > MaxSmbiosHandle) {\r | |
685 | return EFI_INVALID_PARAMETER;\r | |
686 | }\r | |
687 | \r | |
688 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
689 | //\r | |
690 | // Enter into critical section\r | |
691 | // \r | |
692 | Status = EfiAcquireLockOrFail (&Private->DataLock);\r | |
693 | if (EFI_ERROR (Status)) {\r | |
694 | return Status;\r | |
695 | }\r | |
696 | \r | |
697 | Head = &Private->DataListHead;\r | |
698 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
699 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
700 | Record = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
afe3969c | 701 | if (Record->Handle == SmbiosHandle) {\r |
310b04e6 | 702 | //\r |
703 | // Remove specified smobios record from DataList\r | |
704 | //\r | |
705 | RemoveEntryList(Link);\r | |
706 | FreePool(SmbiosEntry);\r | |
707 | // \r | |
708 | // Remove this handle from AllocatedHandleList\r | |
709 | //\r | |
710 | Head = &Private->AllocatedHandleListHead;\r | |
711 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
712 | HandleEntry = SMBIOS_HANDLE_ENTRY_FROM_LINK(Link);\r | |
afe3969c | 713 | if (HandleEntry->SmbiosHandle == SmbiosHandle) {\r |
310b04e6 | 714 | RemoveEntryList(Link);\r |
715 | FreePool(HandleEntry);\r | |
716 | break;\r | |
717 | }\r | |
718 | }\r | |
0ddd8553 | 719 | //\r |
720 | // Some UEFI drivers (such as network) need some information in SMBIOS table.\r | |
721 | // Here we create SMBIOS table and publish it in\r | |
722 | // configuration table, so other UEFI drivers can get SMBIOS table from\r | |
723 | // configuration table without depending on PI SMBIOS protocol.\r | |
724 | //\r | |
725 | SmbiosTableConstruction ();\r | |
310b04e6 | 726 | EfiReleaseLock (&Private->DataLock);\r |
727 | return EFI_SUCCESS;\r | |
728 | }\r | |
729 | }\r | |
730 | \r | |
731 | //\r | |
732 | // Leave critical section\r | |
733 | //\r | |
734 | EfiReleaseLock (&Private->DataLock);\r | |
735 | return EFI_INVALID_PARAMETER;\r | |
736 | \r | |
737 | }\r | |
738 | \r | |
739 | /**\r | |
740 | Allow the caller to discover all or some of the SMBIOS records.\r | |
741 | \r | |
742 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
743 | @param SmbiosHandle On entry, points to the previous handle of the SMBIOS record. On exit, points to the\r | |
4659816a SZ |
744 | next SMBIOS record handle. If it is FFFEh on entry, then the first SMBIOS record\r |
745 | handle will be returned. If it returns FFFEh on exit, then there are no more SMBIOS records.\r | |
310b04e6 | 746 | @param Type On entry it means return the next SMBIOS record of type Type. If a NULL is passed in \r |
747 | this functionally it ignored. Type is not modified by the GetNext() function.\r | |
748 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
749 | the unformatted area. The unformatted area optionally contains text strings.\r | |
750 | @param ProducerHandle On exit, points to the ProducerHandle registered by Add(). If no ProducerHandle was passed into Add() NULL is returned. \r | |
751 | If a NULL pointer is passed in no data will be returned \r | |
752 | \r | |
753 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
310b04e6 | 754 | @retval EFI_NOT_FOUND The SMBIOS record with SmbiosHandle was the last available record.\r |
755 | \r | |
756 | **/\r | |
757 | EFI_STATUS\r | |
758 | EFIAPI\r | |
759 | SmbiosGetNext (\r | |
760 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
761 | IN OUT EFI_SMBIOS_HANDLE *SmbiosHandle,\r | |
762 | IN EFI_SMBIOS_TYPE *Type, OPTIONAL\r | |
763 | OUT EFI_SMBIOS_TABLE_HEADER **Record,\r | |
764 | OUT EFI_HANDLE *ProducerHandle OPTIONAL\r | |
765 | )\r | |
766 | {\r | |
767 | BOOLEAN StartPointFound;\r | |
768 | LIST_ENTRY *Link;\r | |
769 | LIST_ENTRY *Head;\r | |
770 | SMBIOS_INSTANCE *Private;\r | |
771 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
772 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
773 | \r | |
774 | if (SmbiosHandle == NULL) {\r | |
775 | return EFI_INVALID_PARAMETER;\r | |
776 | }\r | |
777 | \r | |
778 | StartPointFound = FALSE;\r | |
779 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
780 | Head = &Private->DataListHead;\r | |
781 | for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {\r | |
782 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
783 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1); \r | |
784 | \r | |
785 | //\r | |
4659816a | 786 | // If SmbiosHandle is 0xFFFE, the first matched SMBIOS record handle will be returned\r |
310b04e6 | 787 | //\r |
4659816a | 788 | if (*SmbiosHandle == SMBIOS_HANDLE_PI_RESERVED) {\r |
310b04e6 | 789 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r |
790 | continue; \r | |
791 | }\r | |
792 | \r | |
793 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
794 | *Record =SmbiosTableHeader;\r | |
795 | if (ProducerHandle != NULL) {\r | |
796 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
797 | }\r | |
798 | return EFI_SUCCESS;\r | |
799 | }\r | |
800 | \r | |
801 | //\r | |
0ddd8553 | 802 | // Start this round search from the next SMBIOS handle\r |
310b04e6 | 803 | //\r |
804 | if (!StartPointFound && (*SmbiosHandle == SmbiosTableHeader->Handle)) {\r | |
805 | StartPointFound = TRUE;\r | |
806 | continue;\r | |
807 | }\r | |
808 | \r | |
809 | if (StartPointFound) {\r | |
810 | if ((Type != NULL) && (*Type != SmbiosTableHeader->Type)) {\r | |
811 | continue; \r | |
812 | }\r | |
813 | \r | |
814 | *SmbiosHandle = SmbiosTableHeader->Handle;\r | |
815 | *Record = SmbiosTableHeader; \r | |
816 | if (ProducerHandle != NULL) {\r | |
817 | *ProducerHandle = SmbiosEntry->RecordHeader->ProducerHandle;\r | |
818 | }\r | |
819 | \r | |
820 | return EFI_SUCCESS; \r | |
821 | }\r | |
822 | }\r | |
823 | \r | |
4659816a | 824 | *SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r |
310b04e6 | 825 | return EFI_NOT_FOUND;\r |
826 | \r | |
827 | }\r | |
828 | \r | |
0ddd8553 | 829 | /**\r |
830 | Allow the caller to discover all of the SMBIOS records.\r | |
831 | \r | |
832 | @param This The EFI_SMBIOS_PROTOCOL instance.\r | |
833 | @param CurrentSmbiosEntry On exit, points to the SMBIOS entry on the list which includes the returned SMBIOS record information. \r | |
834 | If *CurrentSmbiosEntry is NULL on entry, then the first SMBIOS entry on the list will be returned. \r | |
835 | @param Record On exit, points to the SMBIOS Record consisting of the formatted area followed by\r | |
836 | the unformatted area. The unformatted area optionally contains text strings.\r | |
837 | \r | |
838 | @retval EFI_SUCCESS SMBIOS record information was successfully returned in Record.\r | |
839 | *CurrentSmbiosEntry points to the SMBIOS entry which includes the returned SMBIOS record information.\r | |
840 | @retval EFI_NOT_FOUND There is no more SMBIOS entry.\r | |
841 | \r | |
842 | **/\r | |
843 | EFI_STATUS\r | |
844 | EFIAPI\r | |
845 | GetNextSmbiosRecord (\r | |
846 | IN CONST EFI_SMBIOS_PROTOCOL *This,\r | |
847 | IN OUT EFI_SMBIOS_ENTRY **CurrentSmbiosEntry,\r | |
848 | OUT EFI_SMBIOS_TABLE_HEADER **Record\r | |
849 | )\r | |
850 | {\r | |
851 | LIST_ENTRY *Link;\r | |
852 | LIST_ENTRY *Head;\r | |
853 | SMBIOS_INSTANCE *Private;\r | |
854 | EFI_SMBIOS_ENTRY *SmbiosEntry;\r | |
855 | EFI_SMBIOS_TABLE_HEADER *SmbiosTableHeader;\r | |
856 | \r | |
857 | Private = SMBIOS_INSTANCE_FROM_THIS (This);\r | |
858 | if (*CurrentSmbiosEntry == NULL) {\r | |
859 | //\r | |
860 | // Get the beginning of SMBIOS entry.\r | |
861 | //\r | |
862 | Head = &Private->DataListHead;\r | |
863 | } else {\r | |
864 | //\r | |
865 | // Get previous SMBIOS entry and make it as start point.\r | |
866 | //\r | |
867 | Head = &(*CurrentSmbiosEntry)->Link;\r | |
868 | }\r | |
869 | \r | |
870 | Link = Head->ForwardLink;\r | |
871 | \r | |
872 | if (Link == &Private->DataListHead) {\r | |
873 | //\r | |
874 | // If no more SMBIOS entry in the list, return not found.\r | |
875 | //\r | |
876 | return EFI_NOT_FOUND;\r | |
877 | }\r | |
878 | \r | |
879 | SmbiosEntry = SMBIOS_ENTRY_FROM_LINK(Link);\r | |
880 | SmbiosTableHeader = (EFI_SMBIOS_TABLE_HEADER*)(SmbiosEntry->RecordHeader + 1);\r | |
881 | *Record = SmbiosTableHeader; \r | |
882 | *CurrentSmbiosEntry = SmbiosEntry;\r | |
883 | return EFI_SUCCESS; \r | |
884 | }\r | |
310b04e6 | 885 | \r |
886 | /**\r | |
0ddd8553 | 887 | Assembles SMBIOS table from the SMBIOS protocol. Produce Table\r |
310b04e6 | 888 | Entry Point and return the pointer to it.\r |
889 | \r | |
890 | @param TableEntryPointStructure On exit, points to the SMBIOS entrypoint structure.\r | |
891 | \r | |
892 | @retval EFI_SUCCESS Structure created sucessfully.\r | |
893 | @retval EFI_NOT_READY Some of The SMBIOS records was not available yet.\r | |
894 | @retval EFI_OUT_OF_RESOURCES No enough memory.\r | |
895 | \r | |
896 | **/\r | |
897 | EFI_STATUS\r | |
898 | EFIAPI\r | |
899 | SmbiosCreateTable (\r | |
900 | OUT VOID **TableEntryPointStructure\r | |
901 | )\r | |
902 | {\r | |
310b04e6 | 903 | UINT8 *BufferPointer;\r |
310b04e6 | 904 | UINTN RecordSize;\r |
905 | UINTN NumOfStr;\r | |
906 | EFI_STATUS Status;\r | |
907 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
908 | EFI_SMBIOS_PROTOCOL *SmbiosProtocol;\r | |
909 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r | |
910 | EFI_SMBIOS_TABLE_HEADER *SmbiosRecord;\r | |
911 | EFI_SMBIOS_TABLE_END_STRUCTURE EndStructure;\r | |
0ddd8553 | 912 | EFI_SMBIOS_ENTRY *CurrentSmbiosEntry;\r |
310b04e6 | 913 | \r |
914 | Status = EFI_SUCCESS;\r | |
915 | BufferPointer = NULL;\r | |
310b04e6 | 916 | \r |
917 | //\r | |
0ddd8553 | 918 | // Get Smbios protocol to traverse SMBIOS records.\r |
310b04e6 | 919 | //\r |
0ddd8553 | 920 | SmbiosProtocol = &mPrivateData.Smbios;\r |
310b04e6 | 921 | \r |
310b04e6 | 922 | //\r |
923 | // Make some statistics about all the structures\r | |
924 | //\r | |
925 | EntryPointStructure->NumberOfSmbiosStructures = 0;\r | |
926 | EntryPointStructure->TableLength = 0;\r | |
927 | EntryPointStructure->MaxStructureSize = 0;\r | |
310b04e6 | 928 | \r |
929 | //\r | |
930 | // Calculate EPS Table Length\r | |
931 | //\r | |
0ddd8553 | 932 | CurrentSmbiosEntry = NULL;\r |
310b04e6 | 933 | do {\r |
0ddd8553 | 934 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r |
310b04e6 | 935 | \r |
936 | if (Status == EFI_SUCCESS) {\r | |
afe3969c | 937 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r |
310b04e6 | 938 | //\r |
939 | // Record NumberOfSmbiosStructures, TableLength and MaxStructureSize\r | |
940 | //\r | |
afe3969c | 941 | EntryPointStructure->NumberOfSmbiosStructures++;\r |
310b04e6 | 942 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + RecordSize);\r |
943 | if (RecordSize > EntryPointStructure->MaxStructureSize) {\r | |
944 | EntryPointStructure->MaxStructureSize = (UINT16) RecordSize;\r | |
945 | }\r | |
946 | }\r | |
947 | } while (!EFI_ERROR(Status));\r | |
948 | \r | |
949 | //\r | |
950 | // Create End-Of-Table structure\r | |
951 | //\r | |
952 | GetMaxSmbiosHandle(SmbiosProtocol, &SmbiosHandle);\r | |
953 | EndStructure.Header.Type = EFI_SMBIOS_TYPE_END_OF_TABLE;\r | |
c9325700 | 954 | EndStructure.Header.Length = (UINT8) sizeof (EFI_SMBIOS_TABLE_HEADER);\r |
310b04e6 | 955 | EndStructure.Header.Handle = SmbiosHandle;\r |
956 | EndStructure.Tailing[0] = 0;\r | |
957 | EndStructure.Tailing[1] = 0;\r | |
958 | EntryPointStructure->NumberOfSmbiosStructures++;\r | |
959 | EntryPointStructure->TableLength = (UINT16) (EntryPointStructure->TableLength + sizeof (EndStructure));\r | |
960 | if (sizeof (EndStructure) > EntryPointStructure->MaxStructureSize) {\r | |
961 | EntryPointStructure->MaxStructureSize = (UINT16) sizeof (EndStructure);\r | |
962 | }\r | |
310b04e6 | 963 | \r |
4233bf70 | 964 | if ((UINTN) EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength) > mPreAllocatedPages) {\r |
0ddd8553 | 965 | //\r |
966 | // If new SMBIOS talbe size exceeds the original pre-allocated page, \r | |
967 | // it is time to re-allocate memory (below 4GB).\r | |
968 | // \r | |
969 | if (EntryPointStructure->TableAddress != 0) {\r | |
970 | //\r | |
971 | // Free the original pre-allocated page\r | |
972 | // \r | |
973 | FreePages (\r | |
974 | (VOID*)(UINTN)EntryPointStructure->TableAddress,\r | |
4233bf70 | 975 | mPreAllocatedPages\r |
0ddd8553 | 976 | );\r |
977 | EntryPointStructure->TableAddress = 0;\r | |
4233bf70 | 978 | mPreAllocatedPages = 0;\r |
0ddd8553 | 979 | }\r |
980 | \r | |
981 | PhysicalAddress = 0xffffffff;\r | |
982 | Status = gBS->AllocatePages (\r | |
983 | AllocateMaxAddress,\r | |
984 | EfiReservedMemoryType,\r | |
985 | EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength),\r | |
986 | &PhysicalAddress\r | |
987 | );\r | |
988 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 989 | DEBUG ((EFI_D_ERROR, "SmbiosCreateTable() could not allocate SMBIOS table < 4GB\n"));\r |
990 | EntryPointStructure->TableAddress = 0;\r | |
0ddd8553 | 991 | return EFI_OUT_OF_RESOURCES;\r |
c7ce5169 | 992 | } else {\r |
993 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
4233bf70 | 994 | mPreAllocatedPages = EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength);\r |
0ddd8553 | 995 | }\r |
0ddd8553 | 996 | }\r |
310b04e6 | 997 | \r |
998 | //\r | |
999 | // Assemble the tables\r | |
1000 | //\r | |
f63085f5 | 1001 | ASSERT (EntryPointStructure->TableAddress != 0);\r |
0ddd8553 | 1002 | BufferPointer = (UINT8 *) (UINTN) EntryPointStructure->TableAddress;\r |
1003 | CurrentSmbiosEntry = NULL;\r | |
310b04e6 | 1004 | do {\r |
0ddd8553 | 1005 | Status = GetNextSmbiosRecord (SmbiosProtocol, &CurrentSmbiosEntry, &SmbiosRecord);\r |
1006 | \r | |
310b04e6 | 1007 | if (Status == EFI_SUCCESS) {\r |
afe3969c | 1008 | GetSmbiosStructureSize(SmbiosProtocol, SmbiosRecord, &RecordSize, &NumOfStr);\r |
310b04e6 | 1009 | CopyMem (BufferPointer, SmbiosRecord, RecordSize);\r |
1010 | BufferPointer = BufferPointer + RecordSize;\r | |
1011 | }\r | |
1012 | } while (!EFI_ERROR(Status));\r | |
1013 | \r | |
1014 | //\r | |
1015 | // Assemble End-Of-Table structure\r | |
1016 | //\r | |
1017 | CopyMem (BufferPointer, &EndStructure, sizeof (EndStructure));\r | |
1018 | \r | |
1019 | //\r | |
1020 | // Fixup checksums in the Entry Point Structure\r | |
1021 | //\r | |
47f8d0f3 JY |
1022 | EntryPointStructure->IntermediateChecksum = 0;\r |
1023 | EntryPointStructure->EntryPointStructureChecksum = 0;\r | |
1024 | \r | |
afe3969c SZ |
1025 | EntryPointStructure->IntermediateChecksum =\r |
1026 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure + 0x10, EntryPointStructure->EntryPointLength - 0x10);\r | |
1027 | EntryPointStructure->EntryPointStructureChecksum =\r | |
1028 | CalculateCheckSum8 ((UINT8 *) EntryPointStructure, EntryPointStructure->EntryPointLength);\r | |
310b04e6 | 1029 | \r |
1030 | //\r | |
1031 | // Returns the pointer\r | |
1032 | //\r | |
1033 | *TableEntryPointStructure = EntryPointStructure;\r | |
1034 | \r | |
1035 | return EFI_SUCCESS;\r | |
1036 | }\r | |
1037 | \r | |
310b04e6 | 1038 | /**\r |
0ddd8553 | 1039 | Create SMBIOS Table and install it to the System Table.\r |
310b04e6 | 1040 | **/\r |
1041 | VOID\r | |
1042 | EFIAPI\r | |
1043 | SmbiosTableConstruction (\r | |
0ddd8553 | 1044 | VOID\r |
310b04e6 | 1045 | )\r |
1046 | {\r | |
1047 | UINT8 *Eps;\r | |
1048 | EFI_STATUS Status;\r | |
1049 | \r | |
1050 | Status = SmbiosCreateTable ((VOID **) &Eps);\r | |
1051 | if (!EFI_ERROR (Status)) {\r | |
1052 | gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, Eps);\r | |
1053 | }\r | |
1054 | }\r | |
1055 | \r | |
310b04e6 | 1056 | /**\r |
1057 | \r | |
0ddd8553 | 1058 | Driver to produce Smbios protocol and pre-allocate 1 page for the final SMBIOS table. \r |
310b04e6 | 1059 | \r |
1060 | @param ImageHandle Module's image handle\r | |
1061 | @param SystemTable Pointer of EFI_SYSTEM_TABLE\r | |
1062 | \r | |
1063 | @retval EFI_SUCCESS Smbios protocol installed\r | |
1064 | @retval Other No protocol installed, unload driver.\r | |
1065 | \r | |
1066 | **/\r | |
1067 | EFI_STATUS\r | |
1068 | EFIAPI\r | |
1069 | SmbiosDriverEntryPoint (\r | |
1070 | IN EFI_HANDLE ImageHandle,\r | |
1071 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1072 | )\r | |
1073 | {\r | |
1074 | EFI_STATUS Status;\r | |
0ddd8553 | 1075 | EFI_PHYSICAL_ADDRESS PhysicalAddress;\r |
310b04e6 | 1076 | \r |
1077 | mPrivateData.Signature = SMBIOS_INSTANCE_SIGNATURE;\r | |
1078 | mPrivateData.Smbios.Add = SmbiosAdd;\r | |
1079 | mPrivateData.Smbios.UpdateString = SmbiosUpdateString;\r | |
1080 | mPrivateData.Smbios.Remove = SmbiosRemove;\r | |
1081 | mPrivateData.Smbios.GetNext = SmbiosGetNext;\r | |
9f7d5b46 | 1082 | mPrivateData.Smbios.MajorVersion = (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) >> 8);\r |
1083 | mPrivateData.Smbios.MinorVersion = (UINT8) (FixedPcdGet16 (PcdSmbiosVersion) & 0x00ff);\r | |
310b04e6 | 1084 | \r |
1085 | InitializeListHead (&mPrivateData.DataListHead);\r | |
1086 | InitializeListHead (&mPrivateData.AllocatedHandleListHead);\r | |
1087 | EfiInitializeLock (&mPrivateData.DataLock, TPL_NOTIFY);\r | |
0ddd8553 | 1088 | \r |
1089 | //\r | |
1090 | // Initialize the EntryPointStructure with initial values.\r | |
1091 | // Allocate memory (below 4GB).\r | |
1092 | //\r | |
1093 | PhysicalAddress = 0xffffffff;\r | |
1094 | Status = gBS->AllocatePages (\r | |
1095 | AllocateMaxAddress,\r | |
1096 | EfiReservedMemoryType,\r | |
1097 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1098 | &PhysicalAddress\r | |
1099 | );\r | |
1100 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 1101 | DEBUG ((EFI_D_ERROR, "SmbiosDriverEntryPoint() could not allocate EntryPointStructure < 4GB\n"));\r |
1102 | Status = gBS->AllocatePages (\r | |
1103 | AllocateAnyPages,\r | |
1104 | EfiReservedMemoryType,\r | |
1105 | EFI_SIZE_TO_PAGES (sizeof (SMBIOS_TABLE_ENTRY_POINT)),\r | |
1106 | &PhysicalAddress\r | |
1107 | );\r | |
1108 | if (EFI_ERROR (Status)) { \r | |
1109 | return EFI_OUT_OF_RESOURCES;\r | |
1110 | }\r | |
0ddd8553 | 1111 | }\r |
1112 | \r | |
1113 | EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) (UINTN) PhysicalAddress;\r | |
310b04e6 | 1114 | \r |
0ddd8553 | 1115 | CopyMem (\r |
1116 | EntryPointStructure,\r | |
1117 | &EntryPointStructureData,\r | |
1118 | sizeof (SMBIOS_TABLE_ENTRY_POINT)\r | |
1119 | );\r | |
1120 | \r | |
1121 | //\r | |
1122 | // Pre-allocate 1 page for SMBIOS table below 4GB.\r | |
1123 | // SMBIOS table will be updated when new SMBIOS type is added or \r | |
1124 | // existing SMBIOS type is updated. If the total size of SMBIOS table exceeds 1 page,\r | |
1125 | // we will re-allocate new memory when creating whole SMBIOS table.\r | |
1126 | //\r | |
1127 | PhysicalAddress = 0xffffffff;\r | |
1128 | Status = gBS->AllocatePages (\r | |
1129 | AllocateMaxAddress,\r | |
1130 | EfiReservedMemoryType,\r | |
1131 | 1,\r | |
1132 | &PhysicalAddress\r | |
1133 | );\r | |
1134 | if (EFI_ERROR (Status)) {\r | |
c7ce5169 | 1135 | DEBUG ((EFI_D_ERROR, "SmbiosDriverEntryPoint() could not allocate SMBIOS table < 4GB\n"));\r |
1136 | EntryPointStructure->TableAddress = 0;\r | |
c7ce5169 | 1137 | } else {\r |
1138 | EntryPointStructure->TableAddress = (UINT32) PhysicalAddress;\r | |
4233bf70 | 1139 | mPreAllocatedPages = 1;\r |
0ddd8553 | 1140 | }\r |
4233bf70 SZ |
1141 | \r |
1142 | //\r | |
1143 | // Init TableLength to the length of End-Of-Table structure for SmbiosAdd() called at the first time\r | |
1144 | // to check the TableLength limitation.\r | |
1145 | //\r | |
1146 | EntryPointStructure->TableLength = sizeof (EFI_SMBIOS_TABLE_END_STRUCTURE);\r | |
c7ce5169 | 1147 | \r |
310b04e6 | 1148 | //\r |
1149 | // Make a new handle and install the protocol\r | |
1150 | //\r | |
1151 | mPrivateData.Handle = NULL;\r | |
1152 | Status = gBS->InstallProtocolInterface (\r | |
1153 | &mPrivateData.Handle,\r | |
1154 | &gEfiSmbiosProtocolGuid,\r | |
1155 | EFI_NATIVE_INTERFACE,\r | |
1156 | &mPrivateData.Smbios\r | |
1157 | );\r | |
1158 | \r | |
310b04e6 | 1159 | return Status;\r |
1160 | }\r |