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51ebae6b 1/** @file\r
2 Initialization functions for EFI UNDI32 driver.\r
3\r
4Copyright (c) 2006 - 2008, Intel Corporation\r
5All rights reserved. This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "Undi32.h"\r
16//\r
17// Global Variables\r
18//\r
19\r
20PXE_SW_UNDI *pxe_31 = NULL; // 3.1 entry\r
21UNDI32_DEV *UNDI32DeviceList[MAX_NIC_INTERFACES];\r
22NII_TABLE *UndiDataPointer = NULL;\r
23\r
24//\r
25// UNDI Class Driver Global Variables\r
26//\r
27EFI_DRIVER_BINDING_PROTOCOL gUndiDriverBinding = {\r
28 UndiDriverSupported,\r
29 UndiDriverStart,\r
30 UndiDriverStop,\r
31 0xa,\r
32 NULL,\r
33 NULL\r
34};\r
35\r
36\r
37/**\r
38 When address mapping changes to virtual this should make the appropriate\r
39 address conversions.\r
40\r
41 (Standard Event handler)\r
42\r
43 @return None\r
44\r
45**/\r
46VOID\r
47EFIAPI\r
48UndiNotifyVirtual (\r
49 EFI_EVENT Event,\r
50 VOID *Context\r
51 )\r
52{\r
53 UINT16 Index;\r
54 VOID *Pxe31Pointer;\r
55\r
56 if (pxe_31 != NULL) {\r
57 Pxe31Pointer = (VOID *) pxe_31;\r
58\r
59 EfiConvertPointer (\r
60 EFI_OPTIONAL_PTR,\r
61 (VOID **) &Pxe31Pointer\r
62 );\r
63\r
64 //\r
65 // UNDI32DeviceList is an array of pointers\r
66 //\r
67 for (Index = 0; Index < pxe_31->IFcnt; Index++) {\r
68 UNDI32DeviceList[Index]->NIIProtocol_31.Id = (UINT64) (UINTN) Pxe31Pointer;\r
69 EfiConvertPointer (\r
70 EFI_OPTIONAL_PTR,\r
71 (VOID **) &(UNDI32DeviceList[Index])\r
72 );\r
73 }\r
74\r
75 EfiConvertPointer (\r
76 EFI_OPTIONAL_PTR,\r
77 (VOID **) &(pxe_31->EntryPoint)\r
78 );\r
79 pxe_31 = Pxe31Pointer;\r
80 }\r
81\r
82 for (Index = 0; Index <= PXE_OPCODE_LAST_VALID; Index++) {\r
83 EfiConvertPointer (\r
84 EFI_OPTIONAL_PTR,\r
85 (VOID **) &api_table[Index].api_ptr\r
86 );\r
87 }\r
88}\r
89\r
90\r
91/**\r
92 When EFI is shuting down the boot services, we need to install a\r
93 configuration table for UNDI to work at runtime!\r
94\r
95 (Standard Event handler)\r
96\r
97 @return None\r
98\r
99**/\r
100VOID\r
101EFIAPI\r
102UndiNotifyExitBs (\r
103 EFI_EVENT Event,\r
104 VOID *Context\r
105 )\r
106{\r
107 InstallConfigTable ();\r
108}\r
109\r
110\r
111/**\r
112 Test to see if this driver supports ControllerHandle. Any ControllerHandle\r
113 than contains a DevicePath, PciIo protocol, Class code of 2, Vendor ID of 0x8086,\r
114 and DeviceId of (D100_DEVICE_ID || D102_DEVICE_ID || ICH3_DEVICE_ID_1 ||\r
115 ICH3_DEVICE_ID_2 || ICH3_DEVICE_ID_3 || ICH3_DEVICE_ID_4 || ICH3_DEVICE_ID_5 ||\r
116 ICH3_DEVICE_ID_6 || ICH3_DEVICE_ID_7 || ICH3_DEVICE_ID_8) can be supported.\r
117\r
118 @param This Protocol instance pointer.\r
119 @param Controller Handle of device to test.\r
120 @param RemainingDevicePath Not used.\r
121\r
122 @retval EFI_SUCCESS This driver supports this device.\r
123 @retval other This driver does not support this device.\r
124\r
125**/\r
126EFI_STATUS\r
127EFIAPI\r
128UndiDriverSupported (\r
129 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
130 IN EFI_HANDLE Controller,\r
131 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
132 )\r
133{\r
134 EFI_STATUS Status;\r
135 EFI_PCI_IO_PROTOCOL *PciIo;\r
136 PCI_TYPE00 Pci;\r
137\r
138 Status = gBS->OpenProtocol (\r
139 Controller,\r
140 &gEfiDevicePathProtocolGuid,\r
141 NULL,\r
142 This->DriverBindingHandle,\r
143 Controller,\r
144 EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
145 );\r
146 if (EFI_ERROR (Status)) {\r
147 return Status;\r
148 }\r
149\r
150 Status = gBS->OpenProtocol (\r
151 Controller,\r
152 &gEfiPciIoProtocolGuid,\r
153 (VOID **) &PciIo,\r
154 This->DriverBindingHandle,\r
155 Controller,\r
156 EFI_OPEN_PROTOCOL_BY_DRIVER\r
157 );\r
158 if (EFI_ERROR (Status)) {\r
159 return Status;\r
160 }\r
161\r
162 Status = PciIo->Pci.Read (\r
163 PciIo,\r
164 EfiPciIoWidthUint8,\r
165 0,\r
166 sizeof (PCI_CONFIG_HEADER),\r
167 &Pci\r
168 );\r
169\r
170 if (!EFI_ERROR (Status)) {\r
171 Status = EFI_UNSUPPORTED;\r
172\r
173 if (Pci.Hdr.ClassCode[2] == 0x02 && Pci.Hdr.VendorId == PCI_VENDOR_ID_INTEL) {\r
174 switch (Pci.Hdr.DeviceId) {\r
175 case D100_DEVICE_ID:\r
176 case D102_DEVICE_ID:\r
177 case ICH3_DEVICE_ID_1:\r
178 case ICH3_DEVICE_ID_2:\r
179 case ICH3_DEVICE_ID_3:\r
180 case ICH3_DEVICE_ID_4:\r
181 case ICH3_DEVICE_ID_5:\r
182 case ICH3_DEVICE_ID_6:\r
183 case ICH3_DEVICE_ID_7:\r
184 case ICH3_DEVICE_ID_8:\r
185 case 0x1039:\r
186 case 0x103A:\r
187 case 0x103B:\r
188 case 0x103C:\r
189 case 0x103D:\r
190 case 0x103E:\r
191 case 0x1050:\r
192 case 0x1051:\r
193 case 0x1052:\r
194 case 0x1053:\r
195 case 0x1054:\r
196 case 0x1055:\r
197 case 0x1056:\r
198 case 0x1057:\r
199 case 0x1059:\r
200 case 0x1064:\r
201 Status = EFI_SUCCESS;\r
202 }\r
203 }\r
204 }\r
205\r
206 gBS->CloseProtocol (\r
207 Controller,\r
208 &gEfiPciIoProtocolGuid,\r
209 This->DriverBindingHandle,\r
210 Controller\r
211 );\r
212\r
213 return Status;\r
214}\r
215\r
216\r
217/**\r
218 Start this driver on Controller by opening PciIo and DevicePath protocol.\r
219 Initialize PXE structures, create a copy of the Controller Device Path with the\r
220 NIC's MAC address appended to it, install the NetworkInterfaceIdentifier protocol\r
221 on the newly created Device Path.\r
222\r
223 @param This Protocol instance pointer.\r
224 @param Controller Handle of device to work with.\r
225 @param RemainingDevicePath Not used, always produce all possible children.\r
226\r
227 @retval EFI_SUCCESS This driver is added to Controller.\r
228 @retval other This driver does not support this device.\r
229\r
230**/\r
231EFI_STATUS\r
232EFIAPI\r
233UndiDriverStart (\r
234 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
235 IN EFI_HANDLE Controller,\r
236 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
237 )\r
238{\r
239 EFI_STATUS Status;\r
240 EFI_DEVICE_PATH_PROTOCOL *UndiDevicePath;\r
241 PCI_CONFIG_HEADER *CfgHdr;\r
242 UNDI32_DEV *UNDI32Device;\r
243 UINT16 NewCommand;\r
244 UINT8 *TmpPxePointer;\r
245 EFI_PCI_IO_PROTOCOL *PciIoFncs;\r
246 UINTN Len;\r
247 UINT64 Supports;\r
248 BOOLEAN PciAttributesSaved;\r
249\r
250 Status = gBS->OpenProtocol (\r
251 Controller,\r
252 &gEfiPciIoProtocolGuid,\r
253 (VOID **) &PciIoFncs,\r
254 This->DriverBindingHandle,\r
255 Controller,\r
256 EFI_OPEN_PROTOCOL_BY_DRIVER\r
257 );\r
258\r
259 if (EFI_ERROR (Status)) {\r
260 return Status;\r
261 }\r
262\r
263 Status = gBS->OpenProtocol (\r
264 Controller,\r
265 &gEfiDevicePathProtocolGuid,\r
266 (VOID **) &UndiDevicePath,\r
267 This->DriverBindingHandle,\r
268 Controller,\r
269 EFI_OPEN_PROTOCOL_BY_DRIVER\r
270 );\r
271\r
272 if (EFI_ERROR (Status)) {\r
273 gBS->CloseProtocol (\r
274 Controller,\r
275 &gEfiPciIoProtocolGuid,\r
276 This->DriverBindingHandle,\r
277 Controller\r
278 );\r
279\r
280 return Status;\r
281 }\r
282\r
283 PciAttributesSaved = FALSE;\r
284\r
285 Status = gBS->AllocatePool (\r
286 EfiRuntimeServicesData,\r
287 sizeof (UNDI32_DEV),\r
288 (VOID **) &UNDI32Device\r
289 );\r
290\r
291 if (EFI_ERROR (Status)) {\r
292 goto UndiError;\r
293 }\r
294\r
295 ZeroMem ((CHAR8 *) UNDI32Device, sizeof (UNDI32_DEV));\r
296\r
297 //\r
298 // Get original PCI attributes\r
299 //\r
300 Status = PciIoFncs->Attributes (\r
301 PciIoFncs,\r
302 EfiPciIoAttributeOperationGet,\r
303 0,\r
304 &UNDI32Device->NicInfo.OriginalPciAttributes\r
305 );\r
306\r
307 if (EFI_ERROR (Status)) {\r
308 goto UndiErrorDeleteDevice;\r
309 }\r
310 PciAttributesSaved = TRUE;\r
311\r
312 //\r
313 // allocate and initialize both (old and new) the !pxe structures here,\r
314 // there should only be one copy of each of these structure for any number\r
315 // of NICs this undi supports. Also, these structures need to be on a\r
316 // paragraph boundary as per the spec. so, while allocating space for these,\r
317 // make sure that there is space for 2 !pxe structures (old and new) and a\r
318 // 32 bytes padding for alignment adjustment (in case)\r
319 //\r
320 TmpPxePointer = NULL;\r
321 if (pxe_31 == NULL) {\r
322 Status = gBS->AllocatePool (\r
323 EfiRuntimeServicesData,\r
324 (sizeof (PXE_SW_UNDI) + sizeof (PXE_SW_UNDI) + 32),\r
325 (VOID **) &TmpPxePointer\r
326 );\r
327\r
328 if (EFI_ERROR (Status)) {\r
329 goto UndiErrorDeleteDevice;\r
330 }\r
331\r
332 ZeroMem (\r
333 TmpPxePointer,\r
334 sizeof (PXE_SW_UNDI) + sizeof (PXE_SW_UNDI) + 32\r
335 );\r
336 //\r
337 // check for paragraph alignment here, assuming that the pointer is\r
338 // already 8 byte aligned.\r
339 //\r
340 if (((UINTN) TmpPxePointer & 0x0F) != 0) {\r
341 pxe_31 = (PXE_SW_UNDI *) ((UINTN) (TmpPxePointer + 8));\r
342 } else {\r
343 pxe_31 = (PXE_SW_UNDI *) TmpPxePointer;\r
344 }\r
345\r
346 PxeStructInit (pxe_31);\r
347 }\r
348\r
349 UNDI32Device->NIIProtocol_31.Id = (UINT64) (UINTN) (pxe_31);\r
350\r
351 Status = PciIoFncs->Attributes (\r
352 PciIoFncs,\r
353 EfiPciIoAttributeOperationSupported,\r
354 0,\r
355 &Supports\r
356 );\r
357 if (!EFI_ERROR (Status)) {\r
358 Supports &= EFI_PCI_DEVICE_ENABLE;\r
359 Status = PciIoFncs->Attributes (\r
360 PciIoFncs,\r
361 EfiPciIoAttributeOperationEnable,\r
362 Supports,\r
363 NULL\r
364 );\r
365 }\r
366 //\r
367 // Read all the registers from device's PCI Configuration space\r
368 //\r
369 Status = PciIoFncs->Pci.Read (\r
370 PciIoFncs,\r
371 EfiPciIoWidthUint32,\r
372 0,\r
373 MAX_PCI_CONFIG_LEN,\r
374 &UNDI32Device->NicInfo.Config\r
375 );\r
376\r
377 CfgHdr = (PCI_CONFIG_HEADER *) &(UNDI32Device->NicInfo.Config[0]);\r
378\r
379 //\r
380 // make sure that this device is a PCI bus master\r
381 //\r
382\r
383 NewCommand = (UINT16) (CfgHdr->Command | PCI_COMMAND_MASTER | PCI_COMMAND_IO);\r
384 if (CfgHdr->Command != NewCommand) {\r
385 PciIoFncs->Pci.Write (\r
386 PciIoFncs,\r
387 EfiPciIoWidthUint16,\r
388 PCI_COMMAND,\r
389 1,\r
390 &NewCommand\r
391 );\r
392 CfgHdr->Command = NewCommand;\r
393 }\r
394\r
395 //\r
396 // make sure that the latency timer is at least 32\r
397 //\r
398 if (CfgHdr->LatencyTimer < 32) {\r
399 CfgHdr->LatencyTimer = 32;\r
400 PciIoFncs->Pci.Write (\r
401 PciIoFncs,\r
402 EfiPciIoWidthUint8,\r
403 PCI_LATENCY_TIMER,\r
404 1,\r
405 &CfgHdr->LatencyTimer\r
406 );\r
407 }\r
408 //\r
409 // the IfNum index for the current interface will be the total number\r
410 // of interfaces initialized so far\r
411 //\r
412 UNDI32Device->NIIProtocol_31.IfNum = pxe_31->IFcnt;\r
413\r
414 PxeUpdate (&UNDI32Device->NicInfo, pxe_31);\r
415\r
416 UNDI32Device->NicInfo.Io_Function = PciIoFncs;\r
417 UNDI32DeviceList[UNDI32Device->NIIProtocol_31.IfNum] = UNDI32Device;\r
418 UNDI32Device->Undi32BaseDevPath = UndiDevicePath;\r
419\r
420 Status = AppendMac2DevPath (\r
421 &UNDI32Device->Undi32DevPath,\r
422 UNDI32Device->Undi32BaseDevPath,\r
423 &UNDI32Device->NicInfo\r
424 );\r
425\r
426 if (Status != 0) {\r
427 goto UndiErrorDeletePxe;\r
428 }\r
429\r
430 UNDI32Device->Signature = UNDI_DEV_SIGNATURE;\r
431\r
432 UNDI32Device->NIIProtocol_31.Revision = EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION_31;\r
433 UNDI32Device->NIIProtocol_31.Type = EfiNetworkInterfaceUndi;\r
434 UNDI32Device->NIIProtocol_31.MajorVer = PXE_ROMID_MAJORVER;\r
435 UNDI32Device->NIIProtocol_31.MinorVer = PXE_ROMID_MINORVER_31;\r
436 UNDI32Device->NIIProtocol_31.ImageSize = 0;\r
437 UNDI32Device->NIIProtocol_31.ImageAddr = 0;\r
438 UNDI32Device->NIIProtocol_31.Ipv6Supported = FALSE;\r
439\r
440 UNDI32Device->NIIProtocol_31.StringId[0] = 'U';\r
441 UNDI32Device->NIIProtocol_31.StringId[1] = 'N';\r
442 UNDI32Device->NIIProtocol_31.StringId[2] = 'D';\r
443 UNDI32Device->NIIProtocol_31.StringId[3] = 'I';\r
444\r
445 UNDI32Device->DeviceHandle = NULL;\r
446\r
447 //\r
448 // install both the 3.0 and 3.1 NII protocols.\r
449 //\r
450 Status = gBS->InstallMultipleProtocolInterfaces (\r
451 &UNDI32Device->DeviceHandle,\r
452 &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
453 &UNDI32Device->NIIProtocol_31,\r
454 &gEfiDevicePathProtocolGuid,\r
455 UNDI32Device->Undi32DevPath,\r
456 NULL\r
457 );\r
458\r
459 if (EFI_ERROR (Status)) {\r
460 goto UndiErrorDeleteDevicePath;\r
461 }\r
462\r
463 //\r
464 // if the table exists, free it and alloc again, or alloc it directly\r
465 //\r
466 if (UndiDataPointer != NULL) {\r
467 Status = gBS->FreePool(UndiDataPointer);\r
468 }\r
469 if (EFI_ERROR (Status)) {\r
470 goto UndiErrorDeleteDevicePath;\r
471 }\r
472\r
473 Len = (pxe_31->IFcnt * sizeof (NII_ENTRY)) + sizeof (UndiDataPointer);\r
474 Status = gBS->AllocatePool (EfiRuntimeServicesData, Len, (VOID **) &UndiDataPointer);\r
475\r
476 if (EFI_ERROR (Status)) {\r
477 goto UndiErrorAllocDataPointer;\r
478 }\r
479\r
480 //\r
481 // Open For Child Device\r
482 //\r
483 Status = gBS->OpenProtocol (\r
484 Controller,\r
485 &gEfiPciIoProtocolGuid,\r
486 (VOID **) &PciIoFncs,\r
487 This->DriverBindingHandle,\r
488 UNDI32Device->DeviceHandle,\r
489 EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
490 );\r
491\r
492 return EFI_SUCCESS;\r
493UndiErrorAllocDataPointer:\r
494 gBS->UninstallMultipleProtocolInterfaces (\r
495 &UNDI32Device->DeviceHandle,\r
496 &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
497 &UNDI32Device->NIIProtocol_31,\r
498 &gEfiDevicePathProtocolGuid,\r
499 UNDI32Device->Undi32DevPath,\r
500 NULL\r
501 );\r
502\r
503UndiErrorDeleteDevicePath:\r
504 UNDI32DeviceList[UNDI32Device->NIIProtocol_31.IfNum] = NULL;\r
505 gBS->FreePool (UNDI32Device->Undi32DevPath);\r
506\r
507UndiErrorDeletePxe:\r
508 PxeUpdate (NULL, pxe_31);\r
509 if (TmpPxePointer != NULL) {\r
510 gBS->FreePool (TmpPxePointer);\r
511\r
512 }\r
513\r
514UndiErrorDeleteDevice:\r
515 if (PciAttributesSaved) {\r
516 //\r
517 // Restore original PCI attributes\r
518 //\r
519 PciIoFncs->Attributes (\r
520 PciIoFncs,\r
521 EfiPciIoAttributeOperationSet,\r
522 UNDI32Device->NicInfo.OriginalPciAttributes,\r
523 NULL\r
524 );\r
525 }\r
526\r
527 gBS->FreePool (UNDI32Device);\r
528\r
529UndiError:\r
530 gBS->CloseProtocol (\r
531 Controller,\r
532 &gEfiDevicePathProtocolGuid,\r
533 This->DriverBindingHandle,\r
534 Controller\r
535 );\r
536\r
537 gBS->CloseProtocol (\r
538 Controller,\r
539 &gEfiPciIoProtocolGuid,\r
540 This->DriverBindingHandle,\r
541 Controller\r
542 );\r
543\r
544 return Status;\r
545}\r
546\r
547\r
548/**\r
549 Stop this driver on Controller by removing NetworkInterfaceIdentifier protocol and\r
550 closing the DevicePath and PciIo protocols on Controller.\r
551\r
552 @param This Protocol instance pointer.\r
553 @param Controller Handle of device to stop driver on.\r
554 @param NumberOfChildren How many children need to be stopped.\r
555 @param ChildHandleBuffer Not used.\r
556\r
557 @retval EFI_SUCCESS This driver is removed Controller.\r
558 @retval other This driver was not removed from this device.\r
559\r
560**/\r
561// TODO: EFI_DEVICE_ERROR - add return value to function comment\r
562EFI_STATUS\r
563EFIAPI\r
564UndiDriverStop (\r
565 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
566 IN EFI_HANDLE Controller,\r
567 IN UINTN NumberOfChildren,\r
568 IN EFI_HANDLE *ChildHandleBuffer\r
569 )\r
570{\r
571 EFI_STATUS Status;\r
572 BOOLEAN AllChildrenStopped;\r
573 UINTN Index;\r
574 UNDI32_DEV *UNDI32Device;\r
575 EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NIIProtocol;\r
576 EFI_PCI_IO_PROTOCOL *PciIo;\r
577\r
578 //\r
579 // Complete all outstanding transactions to Controller.\r
580 // Don't allow any new transaction to Controller to be started.\r
581 //\r
582 if (NumberOfChildren == 0) {\r
583\r
584 //\r
585 // Close the bus driver\r
586 //\r
587 Status = gBS->CloseProtocol (\r
588 Controller,\r
589 &gEfiDevicePathProtocolGuid,\r
590 This->DriverBindingHandle,\r
591 Controller\r
592 );\r
593\r
594 Status = gBS->CloseProtocol (\r
595 Controller,\r
596 &gEfiPciIoProtocolGuid,\r
597 This->DriverBindingHandle,\r
598 Controller\r
599 );\r
600\r
601 return Status;\r
602 }\r
603\r
604 AllChildrenStopped = TRUE;\r
605\r
606 for (Index = 0; Index < NumberOfChildren; Index++) {\r
607\r
608 Status = gBS->OpenProtocol (\r
609 ChildHandleBuffer[Index],\r
610 &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
611 (VOID **) &NIIProtocol,\r
612 This->DriverBindingHandle,\r
613 Controller,\r
614 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
615 );\r
616 if (!EFI_ERROR (Status)) {\r
617\r
618 UNDI32Device = UNDI_DEV_FROM_THIS (NIIProtocol);\r
619\r
620 //\r
621 // Restore original PCI attributes\r
622 //\r
623 Status = UNDI32Device->NicInfo.Io_Function->Attributes (\r
624 UNDI32Device->NicInfo.Io_Function,\r
625 EfiPciIoAttributeOperationSet,\r
626 UNDI32Device->NicInfo.OriginalPciAttributes,\r
627 NULL\r
628 );\r
629 ASSERT_EFI_ERROR (Status);\r
630\r
631 Status = gBS->CloseProtocol (\r
632 Controller,\r
633 &gEfiPciIoProtocolGuid,\r
634 This->DriverBindingHandle,\r
635 ChildHandleBuffer[Index]\r
636 );\r
637\r
638 Status = gBS->UninstallMultipleProtocolInterfaces (\r
639 ChildHandleBuffer[Index],\r
640 &gEfiDevicePathProtocolGuid,\r
641 UNDI32Device->Undi32DevPath,\r
642 &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
643 &UNDI32Device->NIIProtocol_31,\r
644 NULL\r
645 );\r
646\r
647 if (EFI_ERROR (Status)) {\r
648 gBS->OpenProtocol (\r
649 Controller,\r
650 &gEfiPciIoProtocolGuid,\r
651 (VOID **) &PciIo,\r
652 This->DriverBindingHandle,\r
653 ChildHandleBuffer[Index],\r
654 EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
655 );\r
656 } else {\r
657 gBS->FreePool (UNDI32Device->Undi32DevPath);\r
658 gBS->FreePool (UNDI32Device);\r
659 }\r
660 }\r
661\r
662 if (EFI_ERROR (Status)) {\r
663 AllChildrenStopped = FALSE;\r
664 }\r
665 }\r
666\r
667 if (!AllChildrenStopped) {\r
668 return EFI_DEVICE_ERROR;\r
669 }\r
670\r
671 return EFI_SUCCESS;\r
672\r
673}\r
674\r
675\r
676/**\r
677 Use the EFI boot services to produce a pause. This is also the routine which\r
678 gets replaced during RunTime by the O/S in the NIC_DATA_INSTANCE so it can\r
679 do it's own pause.\r
680\r
681 @param UnqId Runtime O/S routine might use this, this temp\r
682 routine does not use it\r
683 @param MicroSeconds Determines the length of pause.\r
684\r
685 @return none\r
686\r
687**/\r
688VOID\r
689TmpDelay (\r
690 IN UINT64 UnqId,\r
691 IN UINTN MicroSeconds\r
692 )\r
693{\r
694 gBS->Stall ((UINT32) MicroSeconds);\r
695}\r
696\r
697\r
698/**\r
699 Use the PCI IO abstraction to issue memory or I/O reads and writes. This is also the routine which\r
700 gets replaced during RunTime by the O/S in the NIC_DATA_INSTANCE so it can do it's own I/O abstractions.\r
701\r
702 @param UnqId Runtime O/S routine may use this field, this temp\r
703 routine does not.\r
704 @param ReadWrite Determine if it is an I/O or Memory Read/Write\r
705 Operation.\r
706 @param Len Determines the width of the data operation.\r
707 @param Port What port to Read/Write from.\r
708 @param BuffAddr Address to read to or write from.\r
709\r
710 @return none\r
711\r
712**/\r
713VOID\r
714TmpMemIo (\r
715 IN UINT64 UnqId,\r
716 IN UINT8 ReadWrite,\r
717 IN UINT8 Len,\r
718 IN UINT64 Port,\r
719 IN UINT64 BuffAddr\r
720 )\r
721{\r
722 EFI_PCI_IO_PROTOCOL_WIDTH Width;\r
723 NIC_DATA_INSTANCE *AdapterInfo;\r
724\r
725 Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 0;\r
726 AdapterInfo = (NIC_DATA_INSTANCE *) (UINTN) UnqId;\r
727 switch (Len) {\r
728 case 2:\r
729 Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 1;\r
730 break;\r
731\r
732 case 4:\r
733 Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 2;\r
734 break;\r
735\r
736 case 8:\r
737 Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 3;\r
738 break;\r
739 }\r
740\r
741 switch (ReadWrite) {\r
742 case PXE_IO_READ:\r
743 AdapterInfo->Io_Function->Io.Read (\r
744 AdapterInfo->Io_Function,\r
745 Width,\r
746 1,\r
747 Port,\r
748 1,\r
749 (VOID *) (UINTN) (BuffAddr)\r
750 );\r
751 break;\r
752\r
753 case PXE_IO_WRITE:\r
754 AdapterInfo->Io_Function->Io.Write (\r
755 AdapterInfo->Io_Function,\r
756 Width,\r
757 1,\r
758 Port,\r
759 1,\r
760 (VOID *) (UINTN) (BuffAddr)\r
761 );\r
762 break;\r
763\r
764 case PXE_MEM_READ:\r
765 AdapterInfo->Io_Function->Mem.Read (\r
766 AdapterInfo->Io_Function,\r
767 Width,\r
768 0,\r
769 Port,\r
770 1,\r
771 (VOID *) (UINTN) (BuffAddr)\r
772 );\r
773 break;\r
774\r
775 case PXE_MEM_WRITE:\r
776 AdapterInfo->Io_Function->Mem.Write (\r
777 AdapterInfo->Io_Function,\r
778 Width,\r
779 0,\r
780 Port,\r
781 1,\r
782 (VOID *) (UINTN) (BuffAddr)\r
783 );\r
784 break;\r
785 }\r
786\r
787 return ;\r
788}\r
789\r
790\r
791/**\r
792 Using the NIC data structure information, read the EEPROM to get the MAC address and then allocate space\r
793 for a new devicepath (**DevPtr) which will contain the original device path the NIC was found on (*BaseDevPtr)\r
794 and an added MAC node.\r
795\r
796 @param DevPtr Pointer which will point to the newly created device\r
797 path with the MAC node attached.\r
798 @param BaseDevPtr Pointer to the device path which the UNDI device\r
799 driver is latching on to.\r
800 @param AdapterInfo Pointer to the NIC data structure information which\r
801 the UNDI driver is layering on..\r
802\r
803 @retval EFI_SUCCESS A MAC address was successfully appended to the Base\r
804 Device Path.\r
805 @retval other Not enough resources available to create new Device\r
806 Path node.\r
807\r
808**/\r
809EFI_STATUS\r
810AppendMac2DevPath (\r
811 IN OUT EFI_DEVICE_PATH_PROTOCOL **DevPtr,\r
812 IN EFI_DEVICE_PATH_PROTOCOL *BaseDevPtr,\r
813 IN NIC_DATA_INSTANCE *AdapterInfo\r
814 )\r
815{\r
816 EFI_MAC_ADDRESS MACAddress;\r
817 PCI_CONFIG_HEADER *CfgHdr;\r
818 INT32 Val;\r
819 INT32 Index;\r
820 INT32 Index2;\r
821 UINT8 AddrLen;\r
822 MAC_ADDR_DEVICE_PATH MacAddrNode;\r
823 EFI_DEVICE_PATH_PROTOCOL *EndNode;\r
824 UINT8 *DevicePtr;\r
825 UINT16 TotalPathLen;\r
826 UINT16 BasePathLen;\r
827 EFI_STATUS Status;\r
828\r
829 //\r
830 // set the environment ready (similar to UNDI_Start call) so that we can\r
831 // execute the other UNDI_ calls to get the mac address\r
832 // we are using undi 3.1 style\r
833 //\r
834 AdapterInfo->Delay = TmpDelay;\r
835 AdapterInfo->Virt2Phys = (VOID *) 0;\r
836 AdapterInfo->Block = (VOID *) 0;\r
837 AdapterInfo->Map_Mem = (VOID *) 0;\r
838 AdapterInfo->UnMap_Mem = (VOID *) 0;\r
839 AdapterInfo->Sync_Mem = (VOID *) 0;\r
840 AdapterInfo->Mem_Io = TmpMemIo;\r
841 //\r
842 // these tmp call-backs follow 3.1 undi style\r
843 // i.e. they have the unique_id parameter.\r
844 //\r
845 AdapterInfo->VersionFlag = 0x31;\r
846 AdapterInfo->Unique_ID = (UINT64) (UINTN) AdapterInfo;\r
847\r
848 //\r
849 // undi init portion\r
850 //\r
851 CfgHdr = (PCI_CONFIG_HEADER *) &(AdapterInfo->Config[0]);\r
852 AdapterInfo->ioaddr = 0;\r
853 AdapterInfo->RevID = CfgHdr->RevID;\r
854\r
855 AddrLen = E100bGetEepromAddrLen (AdapterInfo);\r
856\r
857 for (Index = 0, Index2 = 0; Index < 3; Index++) {\r
858 Val = E100bReadEeprom (AdapterInfo, Index, AddrLen);\r
859 MACAddress.Addr[Index2++] = (UINT8) Val;\r
860 MACAddress.Addr[Index2++] = (UINT8) (Val >> 8);\r
861 }\r
862\r
863 SetMem (MACAddress.Addr + Index2, sizeof (EFI_MAC_ADDRESS) - Index2, 0);\r
864 //for (; Index2 < sizeof (EFI_MAC_ADDRESS); Index2++) {\r
865 // MACAddress.Addr[Index2] = 0;\r
866 //}\r
867 //\r
868 // stop undi\r
869 //\r
870 AdapterInfo->Delay = (VOID *) 0;\r
871 AdapterInfo->Mem_Io = (VOID *) 0;\r
872\r
873 //\r
874 // fill the mac address node first\r
875 //\r
876 ZeroMem ((CHAR8 *) &MacAddrNode, sizeof MacAddrNode);\r
877 CopyMem (\r
878 (CHAR8 *) &MacAddrNode.MacAddress,\r
879 (CHAR8 *) &MACAddress,\r
880 sizeof (EFI_MAC_ADDRESS)\r
881 );\r
882\r
883 MacAddrNode.Header.Type = MESSAGING_DEVICE_PATH;\r
884 MacAddrNode.Header.SubType = MSG_MAC_ADDR_DP;\r
885 MacAddrNode.Header.Length[0] = sizeof (MacAddrNode);\r
886 MacAddrNode.Header.Length[1] = 0;\r
887\r
888 //\r
889 // find the size of the base dev path.\r
890 //\r
891 EndNode = BaseDevPtr;\r
892\r
893 while (!IsDevicePathEnd (EndNode)) {\r
894 EndNode = NextDevicePathNode (EndNode);\r
895 }\r
896\r
897 BasePathLen = (UINT16) ((UINTN) (EndNode) - (UINTN) (BaseDevPtr));\r
898\r
899 //\r
900 // create space for full dev path\r
901 //\r
902 TotalPathLen = (UINT16) (BasePathLen + sizeof (MacAddrNode) + sizeof (EFI_DEVICE_PATH_PROTOCOL));\r
903\r
904 Status = gBS->AllocatePool (\r
905 EfiRuntimeServicesData,\r
906 TotalPathLen,\r
907 (VOID **) &DevicePtr\r
908 );\r
909\r
910 if (Status != EFI_SUCCESS) {\r
911 return Status;\r
912 }\r
913 //\r
914 // copy the base path, mac addr and end_dev_path nodes\r
915 //\r
916 *DevPtr = (EFI_DEVICE_PATH_PROTOCOL *) DevicePtr;\r
917 CopyMem (DevicePtr, (CHAR8 *) BaseDevPtr, BasePathLen);\r
918 DevicePtr += BasePathLen;\r
919 CopyMem (DevicePtr, (CHAR8 *) &MacAddrNode, sizeof (MacAddrNode));\r
920 DevicePtr += sizeof (MacAddrNode);\r
921 CopyMem (DevicePtr, (CHAR8 *) EndNode, sizeof (EFI_DEVICE_PATH_PROTOCOL));\r
922\r
923 return EFI_SUCCESS;\r
924}\r
925\r
926\r
927/**\r
928 Install a GUID/Pointer pair into the system's configuration table.\r
929\r
930 none\r
931\r
932 @retval EFI_SUCCESS Install a GUID/Pointer pair into the system's\r
933 configuration table.\r
934 @retval other Did not successfully install the GUID/Pointer pair\r
935 into the configuration table.\r
936\r
937**/\r
938// TODO: VOID - add argument and description to function comment\r
939EFI_STATUS\r
940InstallConfigTable (\r
941 IN VOID\r
942 )\r
943{\r
944 EFI_STATUS Status;\r
945 EFI_CONFIGURATION_TABLE *CfgPtr;\r
946 NII_TABLE *TmpData;\r
947 UINT16 Index;\r
948 NII_TABLE *UndiData;\r
949\r
950 if (pxe_31 == NULL) {\r
951 return EFI_SUCCESS;\r
952 }\r
953\r
954 if(UndiDataPointer == NULL) {\r
955 return EFI_SUCCESS;\r
956 }\r
957\r
958 UndiData = (NII_TABLE *)UndiDataPointer;\r
959\r
960 UndiData->NumEntries = pxe_31->IFcnt;\r
961 UndiData->NextLink = NULL;\r
962\r
963 for (Index = 0; Index < pxe_31->IFcnt; Index++) {\r
964 UndiData->NiiEntry[Index].InterfacePointer = &UNDI32DeviceList[Index]->NIIProtocol_31;\r
965 UndiData->NiiEntry[Index].DevicePathPointer = UNDI32DeviceList[Index]->Undi32DevPath;\r
966 }\r
967\r
968 //\r
969 // see if there is an entry in the config table already\r
970 //\r
971 CfgPtr = gST->ConfigurationTable;\r
972\r
973 for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {\r
974 Status = CompareGuid (\r
975 &CfgPtr->VendorGuid,\r
976 &gEfiNetworkInterfaceIdentifierProtocolGuid_31\r
977 );\r
978 if (Status != EFI_SUCCESS) {\r
979 break;\r
980 }\r
981\r
982 CfgPtr++;\r
983 }\r
984\r
985 if (Index < gST->NumberOfTableEntries) {\r
986 TmpData = (NII_TABLE *) CfgPtr->VendorTable;\r
987\r
988 //\r
989 // go to the last link\r
990 //\r
991 while (TmpData->NextLink != NULL) {\r
992 TmpData = TmpData->NextLink;\r
993 }\r
994\r
995 TmpData->NextLink = UndiData;\r
996\r
997 //\r
998 // 1st one in chain\r
999 //\r
1000 UndiData = (NII_TABLE *) CfgPtr->VendorTable;\r
1001 }\r
1002\r
1003 //\r
1004 // create an entry in the configuration table for our GUID\r
1005 //\r
1006 Status = gBS->InstallConfigurationTable (\r
1007 &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
1008 UndiData\r
1009 );\r
1010 return Status;\r
1011}\r
1012\r
1013/**\r
1014\r
1015**/\r
1016EFI_STATUS\r
1017EFIAPI\r
1018InitializeUndi(\r
1019 IN EFI_HANDLE ImageHandle,\r
1020 IN EFI_SYSTEM_TABLE *SystemTable\r
1021 )\r
1022{\r
1023 EFI_EVENT Event;\r
1024 EFI_STATUS Status;\r
1025\r
1026 Status = EfiLibInstallDriverBinding (\r
1027 ImageHandle,\r
1028 SystemTable,\r
1029 &gUndiDriverBinding,\r
1030 ImageHandle\r
1031 );\r
1032 ASSERT_EFI_ERROR (Status);\r
1033\r
1034 Status = gBS->CreateEventEx (\r
1035 EVT_NOTIFY_SIGNAL,\r
1036 TPL_NOTIFY,\r
1037 UndiNotifyExitBs,\r
1038 NULL,\r
1039 &gEfiEventExitBootServicesGuid,\r
1040 &Event\r
1041 );\r
1042 ASSERT_EFI_ERROR (Status);\r
1043\r
1044 Status = gBS->CreateEventEx (\r
1045 EVT_NOTIFY_SIGNAL,\r
1046 TPL_NOTIFY,\r
1047 UndiNotifyVirtual,\r
1048 NULL,\r
1049 &gEfiEventVirtualAddressChangeGuid,\r
1050 &Event\r
1051 );\r
1052 ASSERT_EFI_ERROR (Status);\r
1053\r
1054 return Status;\r
1055}\r
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