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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | handle.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | EFI handle & protocol handling\r | |
19 | \r | |
20 | \r | |
21 | \r | |
22 | Revision History\r | |
23 | \r | |
24 | --*/\r | |
25 | \r | |
26 | #include <DxeMain.h>\r | |
27 | \r | |
28 | \r | |
29 | //\r | |
30 | // mProtocolDatabase - A list of all protocols in the system. (simple list for now)\r | |
31 | // gHandleList - A list of all the handles in the system\r | |
32 | // gProtocolDatabaseLock - Lock to protect the mProtocolDatabase\r | |
33 | // gHandleDatabaseKey - The Key to show that the handle has been created/modified\r | |
34 | //\r | |
35 | static LIST_ENTRY mProtocolDatabase = INITIALIZE_LIST_HEAD_VARIABLE (mProtocolDatabase);\r | |
36 | LIST_ENTRY gHandleList = INITIALIZE_LIST_HEAD_VARIABLE (gHandleList);\r | |
37 | EFI_LOCK gProtocolDatabaseLock = EFI_INITIALIZE_LOCK_VARIABLE (EFI_TPL_NOTIFY);\r | |
38 | UINT64 gHandleDatabaseKey = 0;\r | |
39 | \r | |
40 | \r | |
41 | VOID\r | |
42 | CoreAcquireProtocolLock (\r | |
43 | VOID\r | |
44 | )\r | |
45 | /*++\r | |
46 | \r | |
47 | Routine Description:\r | |
48 | \r | |
49 | Acquire lock on gProtocolDatabaseLock.\r | |
50 | \r | |
51 | Arguments:\r | |
52 | \r | |
53 | None\r | |
54 | \r | |
55 | Returns:\r | |
56 | \r | |
57 | None\r | |
58 | \r | |
59 | --*/\r | |
60 | {\r | |
61 | CoreAcquireLock (&gProtocolDatabaseLock);\r | |
62 | }\r | |
63 | \r | |
64 | \r | |
65 | VOID\r | |
66 | CoreReleaseProtocolLock (\r | |
67 | VOID\r | |
68 | )\r | |
69 | /*++\r | |
70 | \r | |
71 | Routine Description:\r | |
72 | \r | |
73 | Release lock on gProtocolDatabaseLock.\r | |
74 | \r | |
75 | Arguments:\r | |
76 | \r | |
77 | None\r | |
78 | \r | |
79 | Returns:\r | |
80 | \r | |
81 | None\r | |
82 | \r | |
83 | --*/\r | |
84 | {\r | |
85 | CoreReleaseLock (&gProtocolDatabaseLock);\r | |
86 | }\r | |
87 | \r | |
88 | \r | |
89 | EFI_STATUS\r | |
90 | CoreValidateHandle (\r | |
91 | IN EFI_HANDLE UserHandle\r | |
92 | )\r | |
93 | /*++\r | |
94 | \r | |
95 | Routine Description:\r | |
96 | \r | |
97 | Check whether a handle is a valid EFI_HANDLE\r | |
98 | \r | |
99 | Arguments:\r | |
100 | \r | |
101 | UserHandle - The handle to check\r | |
102 | \r | |
103 | Returns:\r | |
104 | \r | |
105 | EFI_INVALID_PARAMETER - The handle is NULL or not a valid EFI_HANDLE.\r | |
106 | \r | |
107 | EFI_SUCCESS - The handle is valid EFI_HANDLE.\r | |
108 | \r | |
109 | --*/\r | |
110 | {\r | |
111 | IHANDLE *Handle;\r | |
112 | \r | |
113 | Handle = (IHANDLE *)UserHandle;\r | |
114 | if (Handle == NULL) {\r | |
115 | return EFI_INVALID_PARAMETER;\r | |
116 | }\r | |
117 | if (Handle->Signature != EFI_HANDLE_SIGNATURE) {\r | |
118 | return EFI_INVALID_PARAMETER;\r | |
119 | }\r | |
120 | return EFI_SUCCESS;\r | |
121 | }\r | |
122 | \r | |
123 | \r | |
124 | PROTOCOL_ENTRY *\r | |
125 | CoreFindProtocolEntry (\r | |
126 | IN EFI_GUID *Protocol,\r | |
127 | IN BOOLEAN Create\r | |
128 | )\r | |
129 | /*++\r | |
130 | \r | |
131 | Routine Description:\r | |
132 | \r | |
133 | Finds the protocol entry for the requested protocol.\r | |
134 | \r | |
135 | The gProtocolDatabaseLock must be owned\r | |
136 | \r | |
137 | Arguments:\r | |
138 | \r | |
139 | Protocol - The ID of the protocol \r | |
140 | \r | |
141 | Create - Create a new entry if not found\r | |
142 | \r | |
143 | Returns:\r | |
144 | \r | |
145 | Protocol entry\r | |
146 | \r | |
147 | --*/\r | |
148 | {\r | |
149 | LIST_ENTRY *Link;\r | |
150 | PROTOCOL_ENTRY *Item;\r | |
151 | PROTOCOL_ENTRY *ProtEntry;\r | |
152 | \r | |
153 | ASSERT_LOCKED(&gProtocolDatabaseLock);\r | |
154 | \r | |
155 | //\r | |
156 | // Search the database for the matching GUID\r | |
157 | //\r | |
158 | \r | |
159 | ProtEntry = NULL;\r | |
160 | for (Link = mProtocolDatabase.ForwardLink; \r | |
161 | Link != &mProtocolDatabase; \r | |
162 | Link = Link->ForwardLink) {\r | |
163 | \r | |
164 | Item = CR(Link, PROTOCOL_ENTRY, AllEntries, PROTOCOL_ENTRY_SIGNATURE);\r | |
165 | if (CompareGuid (&Item->ProtocolID, Protocol)) {\r | |
166 | \r | |
167 | //\r | |
168 | // This is the protocol entry\r | |
169 | //\r | |
170 | \r | |
171 | ProtEntry = Item;\r | |
172 | break;\r | |
173 | }\r | |
174 | }\r | |
175 | \r | |
176 | //\r | |
177 | // If the protocol entry was not found and Create is TRUE, then \r | |
178 | // allocate a new entry\r | |
179 | // \r | |
180 | if ((ProtEntry == NULL) && Create) {\r | |
181 | ProtEntry = CoreAllocateBootServicesPool (sizeof(PROTOCOL_ENTRY));\r | |
182 | \r | |
183 | if (ProtEntry != NULL) {\r | |
184 | //\r | |
185 | // Initialize new protocol entry structure\r | |
186 | //\r | |
187 | ProtEntry->Signature = PROTOCOL_ENTRY_SIGNATURE;\r | |
188 | CopyMem ((VOID *)&ProtEntry->ProtocolID, Protocol, sizeof (EFI_GUID));\r | |
189 | InitializeListHead (&ProtEntry->Protocols);\r | |
190 | InitializeListHead (&ProtEntry->Notify);\r | |
191 | \r | |
192 | //\r | |
193 | // Add it to protocol database\r | |
194 | //\r | |
195 | InsertTailList (&mProtocolDatabase, &ProtEntry->AllEntries);\r | |
196 | }\r | |
197 | }\r | |
198 | \r | |
199 | return ProtEntry;\r | |
200 | }\r | |
201 | \r | |
202 | \r | |
203 | PROTOCOL_INTERFACE *\r | |
204 | CoreFindProtocolInterface (\r | |
205 | IN IHANDLE *Handle,\r | |
206 | IN EFI_GUID *Protocol,\r | |
207 | IN VOID *Interface\r | |
208 | )\r | |
209 | /*++\r | |
210 | \r | |
211 | Routine Description:\r | |
212 | \r | |
213 | Finds the protocol instance for the requested handle and protocol.\r | |
214 | \r | |
215 | Note: This function doesn't do parameters checking, it's caller's responsibility \r | |
216 | to pass in valid parameters.\r | |
217 | \r | |
218 | Arguments:\r | |
219 | \r | |
220 | Handle - The handle to search the protocol on\r | |
221 | \r | |
222 | Protocol - GUID of the protocol\r | |
223 | \r | |
224 | Interface - The interface for the protocol being searched\r | |
225 | \r | |
226 | Returns:\r | |
227 | \r | |
228 | Protocol instance (NULL: Not found)\r | |
229 | \r | |
230 | --*/ \r | |
231 | {\r | |
232 | PROTOCOL_INTERFACE *Prot;\r | |
233 | PROTOCOL_ENTRY *ProtEntry;\r | |
234 | LIST_ENTRY *Link;\r | |
235 | \r | |
236 | ASSERT_LOCKED(&gProtocolDatabaseLock);\r | |
237 | Prot = NULL;\r | |
238 | \r | |
239 | //\r | |
240 | // Lookup the protocol entry for this protocol ID\r | |
241 | //\r | |
242 | \r | |
243 | ProtEntry = CoreFindProtocolEntry (Protocol, FALSE);\r | |
244 | if (ProtEntry != NULL) {\r | |
245 | \r | |
246 | //\r | |
247 | // Look at each protocol interface for any matches\r | |
248 | //\r | |
249 | for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link=Link->ForwardLink) {\r | |
250 | \r | |
251 | //\r | |
252 | // If this protocol interface matches, remove it\r | |
253 | //\r | |
254 | Prot = CR(Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);\r | |
255 | if (Prot->Interface == Interface && Prot->Protocol == ProtEntry) {\r | |
256 | break;\r | |
257 | }\r | |
258 | \r | |
259 | Prot = NULL;\r | |
260 | }\r | |
261 | }\r | |
262 | \r | |
263 | return Prot;\r | |
264 | }\r | |
265 | \r | |
266 | STATIC\r | |
267 | EFI_STATUS\r | |
268 | CoreUnregisterProtocolNotifyEvent (\r | |
269 | IN EFI_EVENT Event\r | |
270 | )\r | |
271 | /*++\r | |
272 | \r | |
273 | Routine Description:\r | |
274 | \r | |
275 | Removes an event from a register protocol notify list on a protocol.\r | |
276 | \r | |
277 | Arguments:\r | |
278 | \r | |
279 | Event - The event to search for in the protocol database.\r | |
280 | \r | |
281 | Returns:\r | |
282 | \r | |
283 | EFI_SUCCESS if the event was found and removed.\r | |
284 | EFI_NOT_FOUND if the event was not found in the protocl database.\r | |
285 | \r | |
286 | --*/\r | |
287 | {\r | |
288 | LIST_ENTRY *Link;\r | |
289 | PROTOCOL_ENTRY *ProtEntry;\r | |
290 | LIST_ENTRY *NotifyLink;\r | |
291 | PROTOCOL_NOTIFY *ProtNotify;\r | |
292 | \r | |
293 | CoreAcquireProtocolLock ();\r | |
294 | \r | |
295 | for ( Link = mProtocolDatabase.ForwardLink; \r | |
296 | Link != &mProtocolDatabase; \r | |
297 | Link = Link->ForwardLink) {\r | |
298 | \r | |
299 | ProtEntry = CR(Link, PROTOCOL_ENTRY, AllEntries, PROTOCOL_ENTRY_SIGNATURE);\r | |
300 | \r | |
301 | for ( NotifyLink = ProtEntry->Notify.ForwardLink; \r | |
302 | NotifyLink != &ProtEntry->Notify; \r | |
303 | NotifyLink = NotifyLink->ForwardLink) {\r | |
304 | \r | |
305 | ProtNotify = CR(NotifyLink, PROTOCOL_NOTIFY, Link, PROTOCOL_NOTIFY_SIGNATURE);\r | |
306 | \r | |
307 | if (ProtNotify->Event == Event) {\r | |
308 | RemoveEntryList(&ProtNotify->Link);\r | |
309 | CoreFreePool(ProtNotify);\r | |
310 | CoreReleaseProtocolLock ();\r | |
311 | return EFI_SUCCESS;\r | |
312 | }\r | |
313 | }\r | |
314 | }\r | |
315 | \r | |
316 | CoreReleaseProtocolLock ();\r | |
317 | return EFI_NOT_FOUND;\r | |
318 | }\r | |
319 | \r | |
320 | \r | |
321 | EFI_STATUS\r | |
322 | CoreUnregisterProtocolNotify (\r | |
323 | IN EFI_EVENT Event\r | |
324 | )\r | |
325 | /*++\r | |
326 | \r | |
327 | Routine Description:\r | |
328 | \r | |
329 | Removes all the events in the protocol database that match Event.\r | |
330 | \r | |
331 | Arguments:\r | |
332 | \r | |
333 | Event - The event to search for in the protocol database.\r | |
334 | \r | |
335 | Returns:\r | |
336 | \r | |
337 | EFI_SUCCESS when done searching the entire database.\r | |
338 | \r | |
339 | --*/\r | |
340 | {\r | |
341 | EFI_STATUS Status;\r | |
342 | \r | |
343 | do {\r | |
344 | Status = CoreUnregisterProtocolNotifyEvent (Event);\r | |
345 | } while (!EFI_ERROR (Status));\r | |
346 | \r | |
347 | return EFI_SUCCESS;\r | |
348 | }\r | |
349 | \r | |
350 | \r | |
351 | \r | |
352 | EFI_STATUS\r | |
353 | EFIAPI\r | |
354 | CoreInstallProtocolInterface (\r | |
355 | IN OUT EFI_HANDLE *UserHandle,\r | |
356 | IN EFI_GUID *Protocol,\r | |
357 | IN EFI_INTERFACE_TYPE InterfaceType,\r | |
358 | IN VOID *Interface\r | |
359 | )\r | |
360 | /*++\r | |
361 | \r | |
362 | Routine Description:\r | |
363 | \r | |
364 | Wrapper function to CoreInstallProtocolInterfaceNotify. This is the public API which\r | |
365 | Calls the private one which contains a BOOLEAN parameter for notifications\r | |
366 | \r | |
367 | Arguments:\r | |
368 | \r | |
369 | UserHandle - The handle to install the protocol handler on,\r | |
370 | or NULL if a new handle is to be allocated\r | |
371 | \r | |
372 | Protocol - The protocol to add to the handle\r | |
373 | \r | |
374 | InterfaceType - Indicates whether Interface is supplied in native form.\r | |
375 | \r | |
376 | Interface - The interface for the protocol being added\r | |
377 | \r | |
378 | Returns:\r | |
379 | \r | |
380 | Status code \r | |
381 | \r | |
382 | --*/\r | |
383 | {\r | |
384 | return CoreInstallProtocolInterfaceNotify (\r | |
385 | UserHandle, \r | |
386 | Protocol, \r | |
387 | InterfaceType, \r | |
388 | Interface, \r | |
389 | TRUE\r | |
390 | );\r | |
391 | }\r | |
392 | \r | |
393 | EFI_STATUS\r | |
394 | CoreInstallProtocolInterfaceNotify (\r | |
395 | IN OUT EFI_HANDLE *UserHandle,\r | |
396 | IN EFI_GUID *Protocol,\r | |
397 | IN EFI_INTERFACE_TYPE InterfaceType,\r | |
398 | IN VOID *Interface,\r | |
399 | IN BOOLEAN Notify\r | |
400 | )\r | |
401 | /*++\r | |
402 | \r | |
403 | Routine Description:\r | |
404 | \r | |
405 | Installs a protocol interface into the boot services environment.\r | |
406 | \r | |
407 | Arguments:\r | |
408 | \r | |
409 | UserHandle - The handle to install the protocol handler on,\r | |
410 | or NULL if a new handle is to be allocated\r | |
411 | \r | |
412 | Protocol - The protocol to add to the handle\r | |
413 | \r | |
414 | InterfaceType - Indicates whether Interface is supplied in native form.\r | |
415 | \r | |
416 | Interface - The interface for the protocol being added\r | |
417 | \r | |
418 | Notify - indicates whether notify the notification list \r | |
419 | for this protocol\r | |
420 | \r | |
421 | Returns:\r | |
422 | \r | |
423 | EFI_INVALID_PARAMETER - Invalid parameter\r | |
424 | \r | |
425 | EFI_OUT_OF_RESOURCES - No enough buffer to allocate\r | |
426 | \r | |
427 | EFI_SUCCESS - Protocol interface successfully installed\r | |
428 | \r | |
429 | --*/\r | |
430 | {\r | |
431 | PROTOCOL_INTERFACE *Prot;\r | |
432 | PROTOCOL_ENTRY *ProtEntry;\r | |
433 | IHANDLE *Handle;\r | |
434 | EFI_STATUS Status;\r | |
435 | VOID *ExistingInterface;\r | |
436 | \r | |
437 | //\r | |
438 | // returns EFI_INVALID_PARAMETER if InterfaceType is invalid.\r | |
439 | // Also added check for invalid UserHandle and Protocol pointers.\r | |
440 | //\r | |
441 | if (UserHandle == NULL || Protocol == NULL) {\r | |
442 | return EFI_INVALID_PARAMETER;\r | |
443 | }\r | |
444 | \r | |
445 | if (InterfaceType != EFI_NATIVE_INTERFACE) {\r | |
446 | return EFI_INVALID_PARAMETER;\r | |
447 | }\r | |
448 | \r | |
449 | //\r | |
450 | // Print debug message\r | |
451 | //\r | |
452 | DEBUG((EFI_D_ERROR | EFI_D_INFO, "InstallProtocolInterface: %g %x\n", Protocol, Interface));\r | |
453 | \r | |
454 | Status = EFI_OUT_OF_RESOURCES;\r | |
455 | Prot = NULL;\r | |
456 | Handle = NULL;\r | |
457 | \r | |
458 | ASSERT (NULL != gBS);\r | |
459 | \r | |
460 | if (*UserHandle != NULL_HANDLE) {\r | |
461 | Status = CoreHandleProtocol (*UserHandle, Protocol, (VOID **)&ExistingInterface);\r | |
462 | if (!EFI_ERROR (Status)) {\r | |
463 | return EFI_INVALID_PARAMETER;\r | |
464 | }\r | |
465 | }\r | |
466 | \r | |
467 | //\r | |
468 | // Lock the protocol database \r | |
469 | //\r | |
470 | CoreAcquireProtocolLock ();\r | |
471 | \r | |
472 | //\r | |
473 | // Lookup the Protocol Entry for the requested protocol\r | |
474 | //\r | |
475 | ProtEntry = CoreFindProtocolEntry (Protocol, TRUE);\r | |
476 | if (ProtEntry == NULL) {\r | |
477 | goto Done;\r | |
478 | }\r | |
479 | \r | |
480 | //\r | |
481 | // Allocate a new protocol interface structure\r | |
482 | //\r | |
483 | Prot = CoreAllocateZeroBootServicesPool (sizeof(PROTOCOL_INTERFACE));\r | |
484 | if (Prot == NULL) {\r | |
485 | Status = EFI_OUT_OF_RESOURCES;\r | |
486 | goto Done;\r | |
487 | }\r | |
488 | \r | |
489 | //\r | |
490 | // If caller didn't supply a handle, allocate a new one\r | |
491 | //\r | |
492 | Handle = (IHANDLE *)*UserHandle;\r | |
493 | if (Handle == NULL) {\r | |
494 | Handle = CoreAllocateZeroBootServicesPool (sizeof(IHANDLE));\r | |
495 | if (Handle == NULL) {\r | |
496 | Status = EFI_OUT_OF_RESOURCES;\r | |
497 | goto Done;\r | |
498 | }\r | |
499 | \r | |
500 | //\r | |
501 | // Initialize new handler structure\r | |
502 | //\r | |
503 | Handle->Signature = EFI_HANDLE_SIGNATURE;\r | |
504 | InitializeListHead (&Handle->Protocols);\r | |
505 | \r | |
506 | //\r | |
507 | // Initialize the Key to show that the handle has been created/modified\r | |
508 | //\r | |
509 | gHandleDatabaseKey++;\r | |
510 | Handle->Key = gHandleDatabaseKey;\r | |
511 | \r | |
512 | //\r | |
513 | // Add this handle to the list global list of all handles\r | |
514 | // in the system\r | |
515 | //\r | |
516 | InsertTailList (&gHandleList, &Handle->AllHandles);\r | |
517 | } \r | |
518 | \r | |
519 | Status = CoreValidateHandle (Handle);\r | |
520 | if (EFI_ERROR (Status)) {\r | |
521 | goto Done;\r | |
522 | }\r | |
523 | \r | |
524 | //\r | |
525 | // Each interface that is added must be unique\r | |
526 | //\r | |
527 | ASSERT (CoreFindProtocolInterface (Handle, Protocol, Interface) == NULL);\r | |
528 | \r | |
529 | //\r | |
530 | // Initialize the protocol interface structure\r | |
531 | //\r | |
532 | Prot->Signature = PROTOCOL_INTERFACE_SIGNATURE;\r | |
533 | Prot->Handle = Handle;\r | |
534 | Prot->Protocol = ProtEntry;\r | |
535 | Prot->Interface = Interface;\r | |
536 | \r | |
537 | //\r | |
538 | // Initalize OpenProtocol Data base\r | |
539 | //\r | |
540 | InitializeListHead (&Prot->OpenList);\r | |
541 | Prot->OpenListCount = 0;\r | |
542 | \r | |
543 | //\r | |
544 | // Add this protocol interface to the head of the supported \r | |
545 | // protocol list for this handle\r | |
546 | //\r | |
547 | InsertHeadList (&Handle->Protocols, &Prot->Link);\r | |
548 | \r | |
549 | //\r | |
550 | // Add this protocol interface to the tail of the \r | |
551 | // protocol entry\r | |
552 | // \r | |
553 | InsertTailList (&ProtEntry->Protocols, &Prot->ByProtocol);\r | |
554 | \r | |
555 | //\r | |
556 | // Notify the notification list for this protocol \r | |
557 | //\r | |
558 | if (Notify) {\r | |
559 | CoreNotifyProtocolEntry (ProtEntry);\r | |
560 | }\r | |
561 | Status = EFI_SUCCESS;\r | |
562 | \r | |
563 | Done:\r | |
564 | //\r | |
565 | // Done, unlock the database and return\r | |
566 | //\r | |
567 | CoreReleaseProtocolLock ();\r | |
568 | if (!EFI_ERROR (Status)) {\r | |
569 | //\r | |
570 | // Return the new handle back to the caller\r | |
571 | //\r | |
572 | *UserHandle = Handle;\r | |
573 | } else {\r | |
574 | //\r | |
575 | // There was an error, clean up\r | |
576 | //\r | |
577 | if (Prot != NULL) {\r | |
578 | CoreFreePool (Prot);\r | |
579 | }\r | |
580 | }\r | |
581 | \r | |
582 | return Status;\r | |
583 | }\r | |
584 | \r | |
585 | \r | |
586 | \r | |
587 | EFI_STATUS\r | |
588 | EFIAPI\r | |
589 | CoreInstallMultipleProtocolInterfaces (\r | |
590 | IN OUT EFI_HANDLE *Handle,\r | |
591 | ...\r | |
592 | )\r | |
593 | /*++\r | |
594 | \r | |
595 | Routine Description:\r | |
596 | \r | |
597 | Installs a list of protocol interface into the boot services environment.\r | |
598 | This function calls InstallProtocolInterface() in a loop. If any error\r | |
599 | occures all the protocols added by this function are removed. This is \r | |
600 | basically a lib function to save space.\r | |
601 | \r | |
602 | Arguments:\r | |
603 | \r | |
604 | Handle - The handle to install the protocol handlers on,\r | |
605 | or NULL if a new handle is to be allocated\r | |
606 | ... - EFI_GUID followed by protocol instance. A NULL terminates the \r | |
607 | list. The pairs are the arguments to InstallProtocolInterface().\r | |
608 | All the protocols are added to Handle.\r | |
609 | \r | |
610 | Returns:\r | |
611 | \r | |
612 | EFI_INVALID_PARAMETER - Handle is NULL.\r | |
613 | \r | |
614 | EFI_SUCCESS - Protocol interfaces successfully installed.\r | |
615 | \r | |
616 | --*/\r | |
617 | {\r | |
618 | VA_LIST args;\r | |
619 | EFI_STATUS Status;\r | |
620 | EFI_GUID *Protocol;\r | |
621 | VOID *Interface;\r | |
622 | EFI_TPL OldTpl;\r | |
623 | UINTN Index;\r | |
624 | EFI_HANDLE OldHandle;\r | |
625 | EFI_HANDLE DeviceHandle;\r | |
626 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
627 | \r | |
628 | if (Handle == NULL) {\r | |
629 | return EFI_INVALID_PARAMETER;\r | |
630 | }\r | |
631 | \r | |
632 | //\r | |
633 | // Syncronize with notifcations. \r | |
634 | // \r | |
635 | OldTpl = CoreRaiseTpl (EFI_TPL_NOTIFY);\r | |
636 | OldHandle = *Handle;\r | |
637 | \r | |
638 | //\r | |
639 | // Check for duplicate device path and install the protocol interfaces\r | |
640 | //\r | |
641 | VA_START (args, Handle);\r | |
642 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r | |
643 | //\r | |
644 | // If protocol is NULL, then it's the end of the list\r | |
645 | //\r | |
646 | Protocol = VA_ARG (args, EFI_GUID *);\r | |
647 | if (Protocol == NULL) {\r | |
648 | break;\r | |
649 | }\r | |
650 | \r | |
651 | Interface = VA_ARG (args, VOID *);\r | |
652 | \r | |
653 | //\r | |
654 | // Make sure you are installing on top a device path that has already been added.\r | |
655 | //\r | |
656 | if (CompareGuid (Protocol, &gEfiDevicePathProtocolGuid)) {\r | |
657 | DeviceHandle = NULL;\r | |
658 | DevicePath = Interface;\r | |
659 | Status = CoreLocateDevicePath (&gEfiDevicePathProtocolGuid, &DevicePath, &DeviceHandle);\r | |
660 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL_HANDLE) && IsDevicePathEnd(DevicePath)) {\r | |
661 | Status = EFI_ALREADY_STARTED;\r | |
662 | continue;\r | |
663 | }\r | |
664 | }\r | |
665 | \r | |
666 | //\r | |
667 | // Install it\r | |
668 | //\r | |
669 | Status = CoreInstallProtocolInterface (Handle, Protocol, EFI_NATIVE_INTERFACE, Interface);\r | |
670 | }\r | |
671 | \r | |
672 | //\r | |
673 | // If there was an error, remove all the interfaces that were installed without any errors\r | |
674 | //\r | |
675 | if (EFI_ERROR (Status)) {\r | |
676 | //\r | |
677 | // Reset the va_arg back to the first argument.\r | |
678 | //\r | |
679 | VA_START (args, Handle);\r | |
680 | for (; Index > 1; Index--) {\r | |
681 | Protocol = VA_ARG (args, EFI_GUID *);\r | |
682 | Interface = VA_ARG (args, VOID *);\r | |
683 | CoreUninstallProtocolInterface (*Handle, Protocol, Interface);\r | |
684 | } \r | |
685 | *Handle = OldHandle;\r | |
686 | }\r | |
687 | \r | |
688 | //\r | |
689 | // Done\r | |
690 | //\r | |
691 | CoreRestoreTpl (OldTpl);\r | |
692 | return Status;\r | |
693 | }\r | |
694 | \r | |
695 | EFI_STATUS\r | |
696 | CoreDisconnectControllersUsingProtocolInterface (\r | |
697 | IN EFI_HANDLE UserHandle,\r | |
698 | IN PROTOCOL_INTERFACE *Prot\r | |
699 | )\r | |
700 | /*++\r | |
701 | \r | |
702 | Routine Description:\r | |
703 | \r | |
704 | Attempts to disconnect all drivers that are using the protocol interface being queried.\r | |
705 | If failed, reconnect all drivers disconnected.\r | |
706 | \r | |
707 | Note: This function doesn't do parameters checking, it's caller's responsibility \r | |
708 | to pass in valid parameters.\r | |
709 | \r | |
710 | Arguments:\r | |
711 | \r | |
712 | UserHandle - The handle on which the protocol is installed \r | |
713 | Prot - The protocol to disconnect drivers from\r | |
714 | \r | |
715 | Returns:\r | |
716 | \r | |
717 | EFI_SUCCESS - Drivers using the protocol interface are all disconnected\r | |
718 | EFI_ACCESS_DENIED - Failed to disconnect one or all of the drivers\r | |
719 | \r | |
720 | --*/\r | |
721 | {\r | |
722 | EFI_STATUS Status;\r | |
723 | BOOLEAN ItemFound;\r | |
724 | LIST_ENTRY *Link;\r | |
725 | OPEN_PROTOCOL_DATA *OpenData;\r | |
726 | \r | |
727 | Status = EFI_SUCCESS;\r | |
728 | \r | |
729 | //\r | |
730 | // Attempt to disconnect all drivers from this protocol interface\r | |
731 | //\r | |
732 | do {\r | |
733 | ItemFound = FALSE;\r | |
734 | for ( Link = Prot->OpenList.ForwardLink;\r | |
735 | (Link != &Prot->OpenList) && !ItemFound;\r | |
736 | Link = Link->ForwardLink ) {\r | |
737 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
738 | if (OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) {\r | |
739 | ItemFound = TRUE;\r | |
740 | CoreReleaseProtocolLock ();\r | |
741 | Status = CoreDisconnectController (UserHandle, OpenData->AgentHandle, NULL);\r | |
742 | CoreAcquireProtocolLock ();\r | |
743 | if (EFI_ERROR (Status)) {\r | |
744 | ItemFound = FALSE;\r | |
745 | break;\r | |
746 | }\r | |
747 | }\r | |
748 | }\r | |
749 | } while (ItemFound);\r | |
750 | \r | |
751 | if (!EFI_ERROR (Status)) {\r | |
752 | //\r | |
753 | // Attempt to remove BY_HANDLE_PROTOOCL and GET_PROTOCOL and TEST_PROTOCOL Open List items\r | |
754 | //\r | |
755 | do {\r | |
756 | ItemFound = FALSE;\r | |
757 | for ( Link = Prot->OpenList.ForwardLink;\r | |
758 | (Link != &Prot->OpenList) && !ItemFound;\r | |
759 | Link = Link->ForwardLink ) {\r | |
760 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
761 | if (OpenData->Attributes & \r | |
762 | (EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL | EFI_OPEN_PROTOCOL_GET_PROTOCOL | EFI_OPEN_PROTOCOL_TEST_PROTOCOL)) {\r | |
763 | ItemFound = TRUE;\r | |
764 | RemoveEntryList (&OpenData->Link); \r | |
765 | Prot->OpenListCount--;\r | |
766 | CoreFreePool (OpenData);\r | |
767 | }\r | |
768 | }\r | |
769 | } while (ItemFound);\r | |
770 | }\r | |
771 | \r | |
772 | //\r | |
773 | // If there are errors or still has open items in the list, then reconnect all the drivers and return an error\r | |
774 | //\r | |
775 | if (EFI_ERROR (Status) || (Prot->OpenListCount > 0)) {\r | |
776 | CoreReleaseProtocolLock ();\r | |
777 | CoreConnectController (UserHandle, NULL, NULL, TRUE);\r | |
778 | CoreAcquireProtocolLock ();\r | |
779 | Status = EFI_ACCESS_DENIED;\r | |
780 | }\r | |
781 | \r | |
782 | return Status;\r | |
783 | }\r | |
784 | \r | |
785 | \r | |
786 | EFI_STATUS\r | |
787 | EFIAPI\r | |
788 | CoreUninstallProtocolInterface (\r | |
789 | IN EFI_HANDLE UserHandle,\r | |
790 | IN EFI_GUID *Protocol,\r | |
791 | IN VOID *Interface\r | |
792 | )\r | |
793 | /*++\r | |
794 | \r | |
795 | Routine Description:\r | |
796 | \r | |
797 | Uninstalls all instances of a protocol:interfacer from a handle. \r | |
798 | If the last protocol interface is remove from the handle, the \r | |
799 | handle is freed.\r | |
800 | \r | |
801 | Arguments:\r | |
802 | \r | |
803 | UserHandle - The handle to remove the protocol handler from\r | |
804 | \r | |
805 | Protocol - The protocol, of protocol:interface, to remove\r | |
806 | \r | |
807 | Interface - The interface, of protocol:interface, to remove\r | |
808 | \r | |
809 | Returns:\r | |
810 | \r | |
811 | EFI_INVALID_PARAMETER - Protocol is NULL.\r | |
812 | \r | |
813 | EFI_SUCCESS - Protocol interface successfully uninstalled.\r | |
814 | \r | |
815 | --*/\r | |
816 | {\r | |
817 | EFI_STATUS Status;\r | |
818 | IHANDLE *Handle;\r | |
819 | PROTOCOL_INTERFACE *Prot;\r | |
820 | \r | |
821 | //\r | |
822 | // Check that Protocol is valid\r | |
823 | //\r | |
824 | if (Protocol == NULL) {\r | |
825 | return EFI_INVALID_PARAMETER;\r | |
826 | }\r | |
827 | \r | |
828 | //\r | |
829 | // Check that UserHandle is a valid handle\r | |
830 | //\r | |
831 | Status = CoreValidateHandle (UserHandle);\r | |
832 | if (EFI_ERROR (Status)) {\r | |
833 | return Status;\r | |
834 | }\r | |
835 | \r | |
836 | //\r | |
837 | // Lock the protocol database\r | |
838 | //\r | |
839 | CoreAcquireProtocolLock ();\r | |
840 | \r | |
841 | //\r | |
842 | // Check that Protocol exists on UserHandle, and Interface matches the interface in the database\r | |
843 | //\r | |
844 | Prot = CoreFindProtocolInterface (UserHandle, Protocol, Interface);\r | |
845 | if (Prot == NULL) {\r | |
846 | Status = EFI_NOT_FOUND;\r | |
847 | goto Done;\r | |
848 | }\r | |
849 | \r | |
850 | //\r | |
851 | // Attempt to disconnect all drivers that are using the protocol interface that is about to be removed\r | |
852 | //\r | |
853 | Status = CoreDisconnectControllersUsingProtocolInterface (\r | |
854 | UserHandle,\r | |
855 | Prot\r | |
856 | );\r | |
857 | if (EFI_ERROR (Status)) {\r | |
858 | //\r | |
859 | // One or more drivers refused to release, so return the error\r | |
860 | //\r | |
861 | goto Done;\r | |
862 | }\r | |
863 | \r | |
864 | //\r | |
865 | // Remove the protocol interface from the protocol\r | |
866 | //\r | |
867 | Status = EFI_NOT_FOUND;\r | |
868 | Handle = (IHANDLE *)UserHandle;\r | |
869 | Prot = CoreRemoveInterfaceFromProtocol (Handle, Protocol, Interface);\r | |
870 | \r | |
871 | if (Prot != NULL) {\r | |
872 | //\r | |
873 | // Update the Key to show that the handle has been created/modified\r | |
874 | //\r | |
875 | gHandleDatabaseKey++;\r | |
876 | Handle->Key = gHandleDatabaseKey;\r | |
877 | \r | |
878 | //\r | |
879 | // Remove the protocol interface from the handle\r | |
880 | //\r | |
881 | RemoveEntryList (&Prot->Link);\r | |
882 | \r | |
883 | //\r | |
884 | // Free the memory\r | |
885 | //\r | |
886 | Prot->Signature = 0;\r | |
887 | CoreFreePool (Prot);\r | |
888 | Status = EFI_SUCCESS;\r | |
889 | }\r | |
890 | \r | |
891 | //\r | |
892 | // If there are no more handlers for the handle, free the handle\r | |
893 | //\r | |
894 | if (IsListEmpty (&Handle->Protocols)) {\r | |
895 | Handle->Signature = 0;\r | |
896 | RemoveEntryList (&Handle->AllHandles);\r | |
897 | CoreFreePool (Handle);\r | |
898 | }\r | |
899 | \r | |
900 | Done: \r | |
901 | //\r | |
902 | // Done, unlock the database and return\r | |
903 | //\r | |
904 | CoreReleaseProtocolLock ();\r | |
905 | return Status;\r | |
906 | }\r | |
907 | \r | |
908 | \r | |
909 | \r | |
910 | EFI_STATUS\r | |
911 | EFIAPI\r | |
912 | CoreUninstallMultipleProtocolInterfaces (\r | |
913 | IN EFI_HANDLE Handle,\r | |
914 | ...\r | |
915 | )\r | |
916 | /*++\r | |
917 | \r | |
918 | Routine Description:\r | |
919 | \r | |
920 | Uninstalls a list of protocol interface in the boot services environment. \r | |
921 | This function calls UnisatllProtocolInterface() in a loop. This is \r | |
922 | basically a lib function to save space.\r | |
923 | \r | |
924 | Arguments:\r | |
925 | \r | |
926 | Handle - The handle to uninstall the protocol\r | |
927 | \r | |
928 | ... - EFI_GUID followed by protocol instance. A NULL terminates the \r | |
929 | list. The pairs are the arguments to UninstallProtocolInterface().\r | |
930 | All the protocols are added to Handle.\r | |
931 | \r | |
932 | Returns:\r | |
933 | \r | |
934 | Status code \r | |
935 | \r | |
936 | --*/\r | |
937 | {\r | |
938 | EFI_STATUS Status;\r | |
939 | VA_LIST args;\r | |
940 | EFI_GUID *Protocol;\r | |
941 | VOID *Interface;\r | |
942 | UINTN Index;\r | |
943 | \r | |
944 | VA_START (args, Handle);\r | |
945 | for (Index = 0, Status = EFI_SUCCESS; !EFI_ERROR (Status); Index++) {\r | |
946 | //\r | |
947 | // If protocol is NULL, then it's the end of the list\r | |
948 | //\r | |
949 | Protocol = VA_ARG (args, EFI_GUID *);\r | |
950 | if (Protocol == NULL) {\r | |
951 | break;\r | |
952 | }\r | |
953 | \r | |
954 | Interface = VA_ARG (args, VOID *);\r | |
955 | \r | |
956 | //\r | |
957 | // Uninstall it\r | |
958 | //\r | |
959 | Status = CoreUninstallProtocolInterface (Handle, Protocol, Interface);\r | |
960 | }\r | |
961 | \r | |
962 | //\r | |
963 | // If there was an error, add all the interfaces that were\r | |
964 | // uninstalled without any errors\r | |
965 | //\r | |
966 | if (EFI_ERROR (Status)) {\r | |
967 | //\r | |
968 | // Reset the va_arg back to the first argument.\r | |
969 | //\r | |
970 | VA_START (args, Handle);\r | |
971 | for (; Index > 1; Index--) {\r | |
972 | Protocol = VA_ARG(args, EFI_GUID *);\r | |
973 | Interface = VA_ARG(args, VOID *);\r | |
974 | CoreInstallProtocolInterface (&Handle, Protocol, EFI_NATIVE_INTERFACE, Interface);\r | |
975 | } \r | |
976 | }\r | |
977 | \r | |
978 | return Status;\r | |
979 | } \r | |
980 | \r | |
981 | PROTOCOL_INTERFACE *\r | |
982 | CoreGetProtocolInterface (\r | |
983 | IN EFI_HANDLE UserHandle,\r | |
984 | IN EFI_GUID *Protocol\r | |
985 | )\r | |
986 | /*++\r | |
987 | \r | |
988 | Routine Description:\r | |
989 | \r | |
990 | Locate a certain GUID protocol interface in a Handle's protocols.\r | |
991 | \r | |
992 | Arguments:\r | |
993 | \r | |
994 | UserHandle - The handle to obtain the protocol interface on\r | |
995 | \r | |
996 | Protocol - The GUID of the protocol \r | |
997 | \r | |
998 | Returns:\r | |
999 | \r | |
1000 | The requested protocol interface for the handle\r | |
1001 | \r | |
1002 | --*/ \r | |
1003 | {\r | |
1004 | EFI_STATUS Status;\r | |
1005 | PROTOCOL_ENTRY *ProtEntry;\r | |
1006 | PROTOCOL_INTERFACE *Prot;\r | |
1007 | IHANDLE *Handle;\r | |
1008 | LIST_ENTRY *Link;\r | |
1009 | \r | |
1010 | Status = CoreValidateHandle (UserHandle);\r | |
1011 | if (EFI_ERROR (Status)) {\r | |
1012 | return NULL;\r | |
1013 | }\r | |
1014 | \r | |
1015 | Handle = (IHANDLE *)UserHandle;\r | |
1016 | \r | |
1017 | //\r | |
1018 | // Look at each protocol interface for a match\r | |
1019 | //\r | |
1020 | for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {\r | |
1021 | Prot = CR(Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);\r | |
1022 | ProtEntry = Prot->Protocol;\r | |
1023 | if (CompareGuid (&ProtEntry->ProtocolID, Protocol)) {\r | |
1024 | return Prot;\r | |
1025 | }\r | |
1026 | }\r | |
1027 | return NULL;\r | |
1028 | }\r | |
1029 | \r | |
1030 | \r | |
1031 | EFI_STATUS\r | |
1032 | EFIAPI\r | |
1033 | CoreHandleProtocol (\r | |
1034 | IN EFI_HANDLE UserHandle,\r | |
1035 | IN EFI_GUID *Protocol,\r | |
1036 | OUT VOID **Interface\r | |
1037 | )\r | |
1038 | /*++\r | |
1039 | \r | |
1040 | Routine Description:\r | |
1041 | \r | |
1042 | Queries a handle to determine if it supports a specified protocol.\r | |
1043 | \r | |
1044 | Arguments:\r | |
1045 | \r | |
1046 | UserHandle - The handle being queried.\r | |
1047 | \r | |
1048 | Protocol - The published unique identifier of the protocol.\r | |
1049 | \r | |
1050 | Interface - Supplies the address where a pointer to the corresponding Protocol\r | |
1051 | Interface is returned.\r | |
1052 | \r | |
1053 | Returns:\r | |
1054 | \r | |
1055 | The requested protocol interface for the handle\r | |
1056 | \r | |
1057 | --*/ \r | |
1058 | {\r | |
1059 | return CoreOpenProtocol (\r | |
1060 | UserHandle, \r | |
1061 | Protocol, \r | |
1062 | Interface, \r | |
1063 | gDxeCoreImageHandle, \r | |
1064 | NULL, \r | |
1065 | EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL\r | |
1066 | );\r | |
1067 | }\r | |
1068 | \r | |
1069 | \r | |
1070 | EFI_STATUS\r | |
1071 | EFIAPI\r | |
1072 | CoreOpenProtocol (\r | |
1073 | IN EFI_HANDLE UserHandle,\r | |
1074 | IN EFI_GUID *Protocol,\r | |
1075 | OUT VOID **Interface OPTIONAL,\r | |
1076 | IN EFI_HANDLE ImageHandle,\r | |
1077 | IN EFI_HANDLE ControllerHandle,\r | |
1078 | IN UINT32 Attributes\r | |
1079 | )\r | |
1080 | /*++\r | |
1081 | \r | |
1082 | Routine Description:\r | |
1083 | \r | |
1084 | Locates the installed protocol handler for the handle, and\r | |
1085 | invokes it to obtain the protocol interface. Usage information\r | |
1086 | is registered in the protocol data base.\r | |
1087 | \r | |
1088 | Arguments:\r | |
1089 | \r | |
1090 | UserHandle - The handle to obtain the protocol interface on\r | |
1091 | \r | |
1092 | Protocol - The ID of the protocol \r | |
1093 | \r | |
1094 | Interface - The location to return the protocol interface\r | |
1095 | \r | |
1096 | ImageHandle - The handle of the Image that is opening the protocol interface\r | |
1097 | specified by Protocol and Interface.\r | |
1098 | \r | |
1099 | ControllerHandle - The controller handle that is requiring this interface.\r | |
1100 | \r | |
1101 | Attributes - The open mode of the protocol interface specified by Handle\r | |
1102 | and Protocol.\r | |
1103 | \r | |
1104 | Returns:\r | |
1105 | \r | |
1106 | EFI_INVALID_PARAMETER - Protocol is NULL.\r | |
1107 | \r | |
1108 | EFI_SUCCESS - Get the protocol interface.\r | |
1109 | \r | |
1110 | --*/\r | |
1111 | {\r | |
1112 | EFI_STATUS Status;\r | |
1113 | PROTOCOL_INTERFACE *Prot;\r | |
1114 | LIST_ENTRY *Link;\r | |
1115 | OPEN_PROTOCOL_DATA *OpenData;\r | |
1116 | BOOLEAN ByDriver;\r | |
1117 | BOOLEAN Exclusive;\r | |
1118 | BOOLEAN Disconnect;\r | |
1119 | BOOLEAN ExactMatch;\r | |
1120 | \r | |
1121 | //\r | |
1122 | // Check for invalid Protocol\r | |
1123 | //\r | |
1124 | if (Protocol == NULL) {\r | |
1125 | return EFI_INVALID_PARAMETER;\r | |
1126 | }\r | |
1127 | \r | |
1128 | //\r | |
1129 | // Check for invalid Interface\r | |
1130 | //\r | |
1131 | if (Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) {\r | |
1132 | if (Interface == NULL) {\r | |
1133 | return EFI_INVALID_PARAMETER;\r | |
1134 | } else {\r | |
1135 | *Interface = NULL;\r | |
1136 | }\r | |
1137 | }\r | |
1138 | \r | |
1139 | //\r | |
1140 | // Check for invalid UserHandle\r | |
1141 | //\r | |
1142 | Status = CoreValidateHandle (UserHandle);\r | |
1143 | if (EFI_ERROR (Status)) {\r | |
1144 | return Status;\r | |
1145 | }\r | |
1146 | \r | |
1147 | //\r | |
1148 | // Check for invalid Attributes\r | |
1149 | //\r | |
1150 | switch (Attributes) {\r | |
1151 | case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER :\r | |
1152 | Status = CoreValidateHandle (ImageHandle);\r | |
1153 | if (EFI_ERROR (Status)) {\r | |
1154 | return Status;\r | |
1155 | }\r | |
1156 | Status = CoreValidateHandle (ControllerHandle);\r | |
1157 | if (EFI_ERROR (Status)) {\r | |
1158 | return Status;\r | |
1159 | }\r | |
1160 | if (UserHandle == ControllerHandle) {\r | |
1161 | return EFI_INVALID_PARAMETER;\r | |
1162 | }\r | |
1163 | break;\r | |
1164 | case EFI_OPEN_PROTOCOL_BY_DRIVER :\r | |
1165 | case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE :\r | |
1166 | Status = CoreValidateHandle (ImageHandle);\r | |
1167 | if (EFI_ERROR (Status)) {\r | |
1168 | return Status;\r | |
1169 | }\r | |
1170 | Status = CoreValidateHandle (ControllerHandle);\r | |
1171 | if (EFI_ERROR (Status)) {\r | |
1172 | return Status;\r | |
1173 | }\r | |
1174 | break;\r | |
1175 | case EFI_OPEN_PROTOCOL_EXCLUSIVE :\r | |
1176 | Status = CoreValidateHandle (ImageHandle);\r | |
1177 | if (EFI_ERROR (Status)) {\r | |
1178 | return Status;\r | |
1179 | }\r | |
1180 | break;\r | |
1181 | case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL :\r | |
1182 | case EFI_OPEN_PROTOCOL_GET_PROTOCOL :\r | |
1183 | case EFI_OPEN_PROTOCOL_TEST_PROTOCOL :\r | |
1184 | break;\r | |
1185 | default:\r | |
1186 | return EFI_INVALID_PARAMETER;\r | |
1187 | }\r | |
1188 | \r | |
1189 | //\r | |
1190 | // Lock the protocol database\r | |
1191 | //\r | |
1192 | CoreAcquireProtocolLock ();\r | |
1193 | \r | |
1194 | //\r | |
1195 | // Look at each protocol interface for a match\r | |
1196 | //\r | |
1197 | Prot = CoreGetProtocolInterface (UserHandle, Protocol);\r | |
1198 | if (Prot == NULL) {\r | |
1199 | Status = EFI_UNSUPPORTED;\r | |
1200 | goto Done;\r | |
1201 | }\r | |
1202 | \r | |
1203 | //\r | |
1204 | // This is the protocol interface entry for this protocol\r | |
1205 | // \r | |
1206 | if (Attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) {\r | |
1207 | *Interface = Prot->Interface;\r | |
1208 | }\r | |
1209 | Status = EFI_SUCCESS;\r | |
1210 | \r | |
1211 | ByDriver = FALSE;\r | |
1212 | Exclusive = FALSE;\r | |
1213 | for ( Link = Prot->OpenList.ForwardLink; Link != &Prot->OpenList; Link = Link->ForwardLink) {\r | |
1214 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
1215 | ExactMatch = (BOOLEAN)((OpenData->AgentHandle == ImageHandle) && \r | |
1216 | (OpenData->Attributes == Attributes) &&\r | |
1217 | (OpenData->ControllerHandle == ControllerHandle));\r | |
1218 | if (OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) {\r | |
1219 | ByDriver = TRUE;\r | |
1220 | if (ExactMatch) {\r | |
1221 | Status = EFI_ALREADY_STARTED;\r | |
1222 | goto Done;\r | |
1223 | }\r | |
1224 | }\r | |
1225 | if (OpenData->Attributes & EFI_OPEN_PROTOCOL_EXCLUSIVE) {\r | |
1226 | Exclusive = TRUE;\r | |
1227 | } else if (ExactMatch) {\r | |
1228 | OpenData->OpenCount++;\r | |
1229 | Status = EFI_SUCCESS;\r | |
1230 | goto Done;\r | |
1231 | }\r | |
1232 | }\r | |
1233 | \r | |
1234 | //\r | |
1235 | // ByDriver TRUE -> A driver is managing (UserHandle, Protocol)\r | |
1236 | // ByDriver FALSE -> There are no drivers managing (UserHandle, Protocol)\r | |
1237 | // Exclusive TRUE -> Something has exclusive access to (UserHandle, Protocol)\r | |
1238 | // Exclusive FALSE -> Nothing has exclusive access to (UserHandle, Protocol)\r | |
1239 | //\r | |
1240 | \r | |
1241 | switch (Attributes) {\r | |
1242 | case EFI_OPEN_PROTOCOL_BY_DRIVER :\r | |
1243 | if (Exclusive || ByDriver) {\r | |
1244 | Status = EFI_ACCESS_DENIED;\r | |
1245 | goto Done;\r | |
1246 | }\r | |
1247 | break;\r | |
1248 | case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE :\r | |
1249 | case EFI_OPEN_PROTOCOL_EXCLUSIVE :\r | |
1250 | if (Exclusive) {\r | |
1251 | Status = EFI_ACCESS_DENIED;\r | |
1252 | goto Done;\r | |
1253 | }\r | |
1254 | if (ByDriver) {\r | |
1255 | do {\r | |
1256 | Disconnect = FALSE;\r | |
1257 | for ( Link = Prot->OpenList.ForwardLink; (Link != &Prot->OpenList) && (!Disconnect); Link = Link->ForwardLink) {\r | |
1258 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
1259 | if (OpenData->Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) {\r | |
1260 | Disconnect = TRUE;\r | |
1261 | CoreReleaseProtocolLock ();\r | |
1262 | Status = CoreDisconnectController (UserHandle, OpenData->AgentHandle, NULL);\r | |
1263 | CoreAcquireProtocolLock ();\r | |
1264 | if (EFI_ERROR (Status)) {\r | |
1265 | Status = EFI_ACCESS_DENIED;\r | |
1266 | goto Done;\r | |
1267 | }\r | |
1268 | }\r | |
1269 | }\r | |
1270 | } while (Disconnect);\r | |
1271 | } \r | |
1272 | break;\r | |
1273 | case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER :\r | |
1274 | case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL :\r | |
1275 | case EFI_OPEN_PROTOCOL_GET_PROTOCOL :\r | |
1276 | case EFI_OPEN_PROTOCOL_TEST_PROTOCOL :\r | |
1277 | break;\r | |
1278 | }\r | |
1279 | \r | |
1280 | if (ImageHandle == NULL) {\r | |
1281 | Status = EFI_SUCCESS;\r | |
1282 | goto Done;\r | |
1283 | }\r | |
1284 | //\r | |
1285 | // Create new entry\r | |
1286 | //\r | |
1287 | OpenData = CoreAllocateBootServicesPool (sizeof(OPEN_PROTOCOL_DATA));\r | |
1288 | if (OpenData == NULL) {\r | |
1289 | Status = EFI_OUT_OF_RESOURCES;\r | |
1290 | } else {\r | |
1291 | OpenData->Signature = OPEN_PROTOCOL_DATA_SIGNATURE;\r | |
1292 | OpenData->AgentHandle = ImageHandle;\r | |
1293 | OpenData->ControllerHandle = ControllerHandle;\r | |
1294 | OpenData->Attributes = Attributes;\r | |
1295 | OpenData->OpenCount = 1;\r | |
1296 | InsertTailList (&Prot->OpenList, &OpenData->Link);\r | |
1297 | Prot->OpenListCount++;\r | |
1298 | Status = EFI_SUCCESS;\r | |
1299 | }\r | |
1300 | \r | |
1301 | Done:\r | |
1302 | //\r | |
1303 | // Done. Release the database lock are return\r | |
1304 | //\r | |
1305 | CoreReleaseProtocolLock ();\r | |
1306 | return Status;\r | |
1307 | }\r | |
1308 | \r | |
1309 | \r | |
1310 | EFI_STATUS\r | |
1311 | EFIAPI\r | |
1312 | CoreCloseProtocol (\r | |
1313 | IN EFI_HANDLE UserHandle,\r | |
1314 | IN EFI_GUID *Protocol,\r | |
1315 | IN EFI_HANDLE AgentHandle,\r | |
1316 | IN EFI_HANDLE ControllerHandle \r | |
1317 | )\r | |
1318 | /*++\r | |
1319 | \r | |
1320 | Routine Description:\r | |
1321 | \r | |
1322 | Closes a protocol on a handle that was opened using OpenProtocol().\r | |
1323 | \r | |
1324 | Arguments:\r | |
1325 | \r | |
1326 | UserHandle - The handle for the protocol interface that was previously opened\r | |
1327 | with OpenProtocol(), and is now being closed.\r | |
511710d6 | 1328 | Protocol - The published unique identifier of the protocol. It is the caller's\r |
878ddf1f | 1329 | responsibility to pass in a valid GUID.\r |
1330 | AgentHandle - The handle of the agent that is closing the protocol interface.\r | |
1331 | ControllerHandle - If the agent that opened a protocol is a driver that follows the\r | |
1332 | EFI Driver Model, then this parameter is the controller handle\r | |
1333 | that required the protocol interface. If the agent does not follow\r | |
1334 | the EFI Driver Model, then this parameter is optional and may be NULL.\r | |
1335 | \r | |
1336 | Returns:\r | |
1337 | \r | |
1338 | EFI_SUCCESS - The protocol instance was closed.\r | |
1339 | EFI_INVALID_PARAMETER - Handle, AgentHandle or ControllerHandle is not a valid EFI_HANDLE. \r | |
1340 | EFI_NOT_FOUND - Can not find the specified protocol or AgentHandle.\r | |
1341 | \r | |
1342 | --*/\r | |
1343 | {\r | |
1344 | EFI_STATUS Status;\r | |
1345 | PROTOCOL_INTERFACE *ProtocolInterface;\r | |
1346 | LIST_ENTRY *Link;\r | |
1347 | OPEN_PROTOCOL_DATA *OpenData;\r | |
1348 | \r | |
1349 | //\r | |
1350 | // Check for invalid parameters\r | |
1351 | //\r | |
1352 | Status = CoreValidateHandle (UserHandle);\r | |
1353 | if (EFI_ERROR (Status)) {\r | |
1354 | return Status;\r | |
1355 | }\r | |
1356 | Status = CoreValidateHandle (AgentHandle);\r | |
1357 | if (EFI_ERROR (Status)) {\r | |
1358 | return Status;\r | |
1359 | }\r | |
1360 | if (ControllerHandle != NULL_HANDLE) {\r | |
1361 | Status = CoreValidateHandle (ControllerHandle);\r | |
1362 | if (EFI_ERROR (Status)) {\r | |
1363 | return Status;\r | |
1364 | }\r | |
1365 | }\r | |
1366 | if (Protocol == NULL) {\r | |
1367 | return EFI_INVALID_PARAMETER;\r | |
1368 | }\r | |
1369 | \r | |
1370 | //\r | |
1371 | // Lock the protocol database\r | |
1372 | //\r | |
1373 | CoreAcquireProtocolLock ();\r | |
1374 | \r | |
1375 | //\r | |
1376 | // Look at each protocol interface for a match\r | |
1377 | //\r | |
1378 | Status = EFI_NOT_FOUND;\r | |
1379 | ProtocolInterface = CoreGetProtocolInterface (UserHandle, Protocol);\r | |
1380 | if (ProtocolInterface == NULL) {\r | |
1381 | goto Done;\r | |
1382 | }\r | |
1383 | \r | |
1384 | //\r | |
1385 | // Walk the Open data base looking for AgentHandle\r | |
1386 | //\r | |
1387 | Link = ProtocolInterface->OpenList.ForwardLink;\r | |
1388 | while (Link != &ProtocolInterface->OpenList) {\r | |
1389 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
1390 | Link = Link->ForwardLink;\r | |
1391 | if ((OpenData->AgentHandle == AgentHandle) && (OpenData->ControllerHandle == ControllerHandle)) {\r | |
1392 | RemoveEntryList (&OpenData->Link); \r | |
1393 | ProtocolInterface->OpenListCount--;\r | |
1394 | CoreFreePool (OpenData);\r | |
1395 | Status = EFI_SUCCESS;\r | |
1396 | }\r | |
1397 | }\r | |
1398 | \r | |
1399 | Done:\r | |
1400 | //\r | |
1401 | // Done. Release the database lock and return.\r | |
1402 | //\r | |
1403 | CoreReleaseProtocolLock ();\r | |
1404 | return Status;\r | |
1405 | }\r | |
1406 | \r | |
1407 | \r | |
1408 | \r | |
1409 | EFI_STATUS\r | |
1410 | EFIAPI\r | |
1411 | CoreOpenProtocolInformation (\r | |
1412 | IN EFI_HANDLE UserHandle,\r | |
1413 | IN EFI_GUID *Protocol,\r | |
1414 | OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r | |
1415 | OUT UINTN *EntryCount\r | |
1416 | )\r | |
1417 | /*++\r | |
1418 | \r | |
1419 | Routine Description:\r | |
1420 | \r | |
1421 | Return information about Opened protocols in the system\r | |
1422 | \r | |
1423 | Arguments:\r | |
1424 | \r | |
1425 | UserHandle - The handle to close the protocol interface on\r | |
1426 | \r | |
1427 | Protocol - The ID of the protocol \r | |
1428 | \r | |
1429 | EntryBuffer - A pointer to a buffer of open protocol information in the form of\r | |
1430 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r | |
1431 | \r | |
1432 | EntryCount - Number of EntryBuffer entries\r | |
1433 | \r | |
1434 | Returns:\r | |
1435 | \r | |
1436 | \r | |
1437 | --*/\r | |
1438 | {\r | |
1439 | EFI_STATUS Status;\r | |
1440 | PROTOCOL_INTERFACE *ProtocolInterface;\r | |
1441 | LIST_ENTRY *Link;\r | |
1442 | OPEN_PROTOCOL_DATA *OpenData;\r | |
1443 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *Buffer;\r | |
1444 | UINTN Count;\r | |
1445 | UINTN Size;\r | |
1446 | \r | |
1447 | *EntryBuffer = NULL;\r | |
1448 | *EntryCount = 0;\r | |
1449 | \r | |
1450 | //\r | |
1451 | // Lock the protocol database\r | |
1452 | //\r | |
1453 | CoreAcquireProtocolLock ();\r | |
1454 | \r | |
1455 | //\r | |
1456 | // Look at each protocol interface for a match\r | |
1457 | //\r | |
1458 | Status = EFI_NOT_FOUND;\r | |
1459 | ProtocolInterface = CoreGetProtocolInterface (UserHandle, Protocol);\r | |
1460 | if (ProtocolInterface == NULL) {\r | |
1461 | goto Done;\r | |
1462 | }\r | |
1463 | \r | |
1464 | //\r | |
1465 | // Count the number of Open Entries\r | |
1466 | //\r | |
1467 | for ( Link = ProtocolInterface->OpenList.ForwardLink, Count = 0; \r | |
1468 | (Link != &ProtocolInterface->OpenList) ;\r | |
1469 | Link = Link->ForwardLink ) {\r | |
1470 | Count++;\r | |
1471 | } \r | |
1472 | \r | |
1473 | ASSERT (Count == ProtocolInterface->OpenListCount);\r | |
1474 | \r | |
1475 | if (Count == 0) {\r | |
1476 | Size = sizeof(EFI_OPEN_PROTOCOL_INFORMATION_ENTRY);\r | |
1477 | } else {\r | |
1478 | Size = Count * sizeof(EFI_OPEN_PROTOCOL_INFORMATION_ENTRY);\r | |
1479 | }\r | |
1480 | \r | |
1481 | Buffer = CoreAllocateBootServicesPool (Size);\r | |
1482 | if (Buffer == NULL) {\r | |
1483 | Status = EFI_OUT_OF_RESOURCES;\r | |
1484 | goto Done;\r | |
1485 | }\r | |
1486 | \r | |
1487 | Status = EFI_SUCCESS;\r | |
1488 | for ( Link = ProtocolInterface->OpenList.ForwardLink, Count = 0; \r | |
1489 | (Link != &ProtocolInterface->OpenList);\r | |
1490 | Link = Link->ForwardLink, Count++ ) {\r | |
1491 | OpenData = CR (Link, OPEN_PROTOCOL_DATA, Link, OPEN_PROTOCOL_DATA_SIGNATURE);\r | |
1492 | \r | |
1493 | Buffer[Count].AgentHandle = OpenData->AgentHandle;\r | |
1494 | Buffer[Count].ControllerHandle = OpenData->ControllerHandle;\r | |
1495 | Buffer[Count].Attributes = OpenData->Attributes;\r | |
1496 | Buffer[Count].OpenCount = OpenData->OpenCount;\r | |
1497 | } \r | |
1498 | \r | |
1499 | *EntryBuffer = Buffer;\r | |
1500 | *EntryCount = Count;\r | |
1501 | \r | |
1502 | Done:\r | |
1503 | //\r | |
1504 | // Done. Release the database lock are return\r | |
1505 | //\r | |
1506 | CoreReleaseProtocolLock ();\r | |
1507 | return Status;\r | |
1508 | }\r | |
1509 | \r | |
1510 | \r | |
1511 | \r | |
1512 | EFI_STATUS\r | |
1513 | EFIAPI\r | |
1514 | CoreProtocolsPerHandle (\r | |
1515 | IN EFI_HANDLE UserHandle,\r | |
1516 | OUT EFI_GUID ***ProtocolBuffer,\r | |
1517 | OUT UINTN *ProtocolBufferCount\r | |
1518 | )\r | |
1519 | /*++\r | |
1520 | \r | |
1521 | Routine Description:\r | |
1522 | \r | |
1523 | Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r | |
1524 | from pool.\r | |
1525 | \r | |
1526 | Arguments:\r | |
1527 | \r | |
1528 | UserHandle - The handle from which to retrieve the list of protocol interface\r | |
1529 | GUIDs.\r | |
1530 | \r | |
1531 | ProtocolBuffer - A pointer to the list of protocol interface GUID pointers that are\r | |
1532 | installed on Handle.\r | |
1533 | \r | |
1534 | ProtocolBufferCount - A pointer to the number of GUID pointers present in\r | |
1535 | ProtocolBuffer.\r | |
1536 | \r | |
1537 | Returns:\r | |
1538 | EFI_SUCCESS - The list of protocol interface GUIDs installed on Handle was returned in\r | |
1539 | ProtocolBuffer. The number of protocol interface GUIDs was\r | |
1540 | returned in ProtocolBufferCount.\r | |
1541 | EFI_INVALID_PARAMETER - Handle is NULL.\r | |
1542 | EFI_INVALID_PARAMETER - Handle is not a valid EFI_HANDLE.\r | |
1543 | EFI_INVALID_PARAMETER - ProtocolBuffer is NULL.\r | |
1544 | EFI_INVALID_PARAMETER - ProtocolBufferCount is NULL.\r | |
1545 | EFI_OUT_OF_RESOURCES - There is not enough pool memory to store the results.\r | |
1546 | \r | |
1547 | --*/\r | |
1548 | {\r | |
1549 | EFI_STATUS Status;\r | |
1550 | IHANDLE *Handle;\r | |
1551 | PROTOCOL_INTERFACE *Prot;\r | |
1552 | LIST_ENTRY *Link;\r | |
1553 | UINTN ProtocolCount;\r | |
1554 | EFI_GUID **Buffer;\r | |
1555 | \r | |
1556 | Status = CoreValidateHandle (UserHandle);\r | |
1557 | if (EFI_ERROR (Status)) {\r | |
1558 | return Status;\r | |
1559 | }\r | |
1560 | \r | |
1561 | Handle = (IHANDLE *)UserHandle;\r | |
1562 | \r | |
1563 | if (ProtocolBuffer == NULL) {\r | |
1564 | return EFI_INVALID_PARAMETER;\r | |
1565 | }\r | |
1566 | \r | |
1567 | if (ProtocolBufferCount == NULL) {\r | |
1568 | return EFI_INVALID_PARAMETER;\r | |
1569 | }\r | |
1570 | \r | |
1571 | *ProtocolBufferCount = 0;\r | |
1572 | \r | |
1573 | ProtocolCount = 0;\r | |
1574 | \r | |
1575 | CoreAcquireProtocolLock ();\r | |
1576 | \r | |
1577 | for (Link = Handle->Protocols.ForwardLink; Link != &Handle->Protocols; Link = Link->ForwardLink) {\r | |
1578 | ProtocolCount++;\r | |
1579 | }\r | |
1580 | \r | |
1581 | //\r | |
1582 | // If there are no protocol interfaces installed on Handle, then Handle is not a valid EFI_HANDLE\r | |
1583 | //\r | |
1584 | if (ProtocolCount == 0) {\r | |
1585 | Status = EFI_INVALID_PARAMETER;\r | |
1586 | goto Done;\r | |
1587 | }\r | |
1588 | \r | |
1589 | Buffer = CoreAllocateBootServicesPool (sizeof (EFI_GUID *) * ProtocolCount);\r | |
1590 | if (Buffer == NULL) {\r | |
1591 | Status = EFI_OUT_OF_RESOURCES;\r | |
1592 | goto Done;\r | |
1593 | }\r | |
1594 | \r | |
1595 | *ProtocolBuffer = Buffer;\r | |
1596 | *ProtocolBufferCount = ProtocolCount;\r | |
1597 | \r | |
1598 | for ( Link = Handle->Protocols.ForwardLink, ProtocolCount = 0;\r | |
1599 | Link != &Handle->Protocols; \r | |
1600 | Link = Link->ForwardLink, ProtocolCount++) {\r | |
1601 | Prot = CR(Link, PROTOCOL_INTERFACE, Link, PROTOCOL_INTERFACE_SIGNATURE);\r | |
1602 | Buffer[ProtocolCount] = &(Prot->Protocol->ProtocolID);\r | |
1603 | }\r | |
1604 | Status = EFI_SUCCESS;\r | |
1605 | \r | |
1606 | Done:\r | |
1607 | CoreReleaseProtocolLock ();\r | |
1608 | return Status;\r | |
1609 | }\r | |
1610 | \r | |
1611 | \r | |
1612 | UINT64\r | |
1613 | CoreGetHandleDatabaseKey (\r | |
1614 | VOID\r | |
1615 | )\r | |
1616 | /*++\r | |
1617 | \r | |
1618 | Routine Description:\r | |
1619 | \r | |
1620 | return handle database key.\r | |
1621 | \r | |
1622 | Arguments:\r | |
1623 | \r | |
1624 | None\r | |
1625 | \r | |
1626 | Returns:\r | |
1627 | \r | |
1628 | Handle database key.\r | |
1629 | \r | |
1630 | --*/\r | |
1631 | {\r | |
1632 | return gHandleDatabaseKey;\r | |
1633 | }\r | |
1634 | \r | |
1635 | \r | |
1636 | VOID\r | |
1637 | CoreConnectHandlesByKey (\r | |
1638 | UINT64 Key\r | |
1639 | )\r | |
1640 | /*++\r | |
1641 | \r | |
1642 | Routine Description:\r | |
1643 | \r | |
1644 | Go connect any handles that were created or modified while a image executed.\r | |
1645 | \r | |
1646 | Arguments:\r | |
1647 | \r | |
1648 | Key - The Key to show that the handle has been created/modified\r | |
1649 | \r | |
1650 | Returns:\r | |
1651 | \r | |
1652 | None\r | |
1653 | --*/\r | |
1654 | {\r | |
1655 | UINTN Count;\r | |
1656 | LIST_ENTRY *Link;\r | |
1657 | EFI_HANDLE *HandleBuffer;\r | |
1658 | IHANDLE *Handle;\r | |
1659 | UINTN Index;\r | |
1660 | \r | |
1661 | //\r | |
1662 | // Lock the protocol database\r | |
1663 | //\r | |
1664 | CoreAcquireProtocolLock ();\r | |
1665 | \r | |
1666 | for (Link = gHandleList.ForwardLink, Count = 0; Link != &gHandleList; Link = Link->ForwardLink) {\r | |
1667 | Handle = CR (Link, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);\r | |
1668 | if (Handle->Key > Key) {\r | |
1669 | Count++;\r | |
1670 | }\r | |
1671 | }\r | |
1672 | \r | |
1673 | HandleBuffer = CoreAllocateBootServicesPool (Count * sizeof (EFI_HANDLE));\r | |
1674 | if (HandleBuffer == NULL) {\r | |
1675 | CoreReleaseProtocolLock ();\r | |
1676 | return;\r | |
1677 | }\r | |
1678 | \r | |
1679 | for (Link = gHandleList.ForwardLink, Count = 0; Link != &gHandleList; Link = Link->ForwardLink) {\r | |
1680 | Handle = CR (Link, IHANDLE, AllHandles, EFI_HANDLE_SIGNATURE);\r | |
1681 | if (Handle->Key > Key) {\r | |
1682 | HandleBuffer[Count++] = Handle;\r | |
1683 | }\r | |
1684 | }\r | |
1685 | \r | |
1686 | //\r | |
1687 | // Unlock the protocol database\r | |
1688 | //\r | |
1689 | CoreReleaseProtocolLock ();\r | |
1690 | \r | |
1691 | //\r | |
1692 | // Connect all handles whose Key value is greater than Key\r | |
1693 | //\r | |
1694 | for (Index = 0; Index < Count; Index++) {\r | |
1695 | CoreConnectController (HandleBuffer[Index], NULL, NULL, TRUE);\r | |
1696 | }\r | |
1697 | \r | |
1698 | CoreFreePool(HandleBuffer);\r | |
1699 | }\r |