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MdePkg: Replace BSD License with BSD+Patent License
[mirror_edk2.git] / MdePkg / Library / UefiDevicePathLib / DevicePathToText.c
1 /** @file
2 DevicePathToText protocol as defined in the UEFI 2.0 specification.
3
4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
7
8 **/
9
10 #include "UefiDevicePathLib.h"
11
12 /**
13 Concatenates a formatted unicode string to allocated pool. The caller must
14 free the resulting buffer.
15
16 @param Str Tracks the allocated pool, size in use, and
17 amount of pool allocated.
18 @param Fmt The format string
19 @param ... Variable arguments based on the format string.
20
21 @return Allocated buffer with the formatted string printed in it.
22 The caller must free the allocated buffer. The buffer
23 allocation is not packed.
24
25 **/
26 CHAR16 *
27 EFIAPI
28 UefiDevicePathLibCatPrint (
29 IN OUT POOL_PRINT *Str,
30 IN CHAR16 *Fmt,
31 ...
32 )
33 {
34 UINTN Count;
35 VA_LIST Args;
36
37 VA_START (Args, Fmt);
38 Count = SPrintLength (Fmt, Args);
39 VA_END(Args);
40
41 if ((Str->Count + (Count + 1)) * sizeof (CHAR16) > Str->Capacity) {
42 Str->Capacity = (Str->Count + (Count + 1) * 2) * sizeof (CHAR16);
43 Str->Str = ReallocatePool (
44 Str->Count * sizeof (CHAR16),
45 Str->Capacity,
46 Str->Str
47 );
48 ASSERT (Str->Str != NULL);
49 }
50 VA_START (Args, Fmt);
51 UnicodeVSPrint (&Str->Str[Str->Count], Str->Capacity - Str->Count * sizeof (CHAR16), Fmt, Args);
52 Str->Count += Count;
53
54 VA_END (Args);
55 return Str->Str;
56 }
57
58 /**
59 Converts a PCI device path structure to its string representative.
60
61 @param Str The string representative of input device.
62 @param DevPath The input device path structure.
63 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
64 of the display node is used, where applicable. If DisplayOnly
65 is FALSE, then the longer text representation of the display node
66 is used.
67 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
68 representation for a device node can be used, where applicable.
69
70 **/
71 VOID
72 DevPathToTextPci (
73 IN OUT POOL_PRINT *Str,
74 IN VOID *DevPath,
75 IN BOOLEAN DisplayOnly,
76 IN BOOLEAN AllowShortcuts
77 )
78 {
79 PCI_DEVICE_PATH *Pci;
80
81 Pci = DevPath;
82 UefiDevicePathLibCatPrint (Str, L"Pci(0x%x,0x%x)", Pci->Device, Pci->Function);
83 }
84
85 /**
86 Converts a PC Card device path structure to its string representative.
87
88 @param Str The string representative of input device.
89 @param DevPath The input device path structure.
90 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
91 of the display node is used, where applicable. If DisplayOnly
92 is FALSE, then the longer text representation of the display node
93 is used.
94 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
95 representation for a device node can be used, where applicable.
96
97 **/
98 VOID
99 DevPathToTextPccard (
100 IN OUT POOL_PRINT *Str,
101 IN VOID *DevPath,
102 IN BOOLEAN DisplayOnly,
103 IN BOOLEAN AllowShortcuts
104 )
105 {
106 PCCARD_DEVICE_PATH *Pccard;
107
108 Pccard = DevPath;
109 UefiDevicePathLibCatPrint (Str, L"PcCard(0x%x)", Pccard->FunctionNumber);
110 }
111
112 /**
113 Converts a Memory Map device path structure to its string representative.
114
115 @param Str The string representative of input device.
116 @param DevPath The input device path structure.
117 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
118 of the display node is used, where applicable. If DisplayOnly
119 is FALSE, then the longer text representation of the display node
120 is used.
121 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
122 representation for a device node can be used, where applicable.
123
124 **/
125 VOID
126 DevPathToTextMemMap (
127 IN OUT POOL_PRINT *Str,
128 IN VOID *DevPath,
129 IN BOOLEAN DisplayOnly,
130 IN BOOLEAN AllowShortcuts
131 )
132 {
133 MEMMAP_DEVICE_PATH *MemMap;
134
135 MemMap = DevPath;
136 UefiDevicePathLibCatPrint (
137 Str,
138 L"MemoryMapped(0x%x,0x%lx,0x%lx)",
139 MemMap->MemoryType,
140 MemMap->StartingAddress,
141 MemMap->EndingAddress
142 );
143 }
144
145 /**
146 Converts a Vendor device path structure to its string representative.
147
148 @param Str The string representative of input device.
149 @param DevPath The input device path structure.
150 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
151 of the display node is used, where applicable. If DisplayOnly
152 is FALSE, then the longer text representation of the display node
153 is used.
154 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
155 representation for a device node can be used, where applicable.
156
157 **/
158 VOID
159 DevPathToTextVendor (
160 IN OUT POOL_PRINT *Str,
161 IN VOID *DevPath,
162 IN BOOLEAN DisplayOnly,
163 IN BOOLEAN AllowShortcuts
164 )
165 {
166 VENDOR_DEVICE_PATH *Vendor;
167 CHAR16 *Type;
168 UINTN Index;
169 UINTN DataLength;
170 UINT32 FlowControlMap;
171 UINT16 Info;
172
173 Vendor = (VENDOR_DEVICE_PATH *) DevPath;
174 switch (DevicePathType (&Vendor->Header)) {
175 case HARDWARE_DEVICE_PATH:
176 Type = L"Hw";
177 break;
178
179 case MESSAGING_DEVICE_PATH:
180 Type = L"Msg";
181 if (AllowShortcuts) {
182 if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) {
183 UefiDevicePathLibCatPrint (Str, L"VenPcAnsi()");
184 return ;
185 } else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) {
186 UefiDevicePathLibCatPrint (Str, L"VenVt100()");
187 return ;
188 } else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) {
189 UefiDevicePathLibCatPrint (Str, L"VenVt100Plus()");
190 return ;
191 } else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) {
192 UefiDevicePathLibCatPrint (Str, L"VenUtf8()");
193 return ;
194 } else if (CompareGuid (&Vendor->Guid, &gEfiUartDevicePathGuid)) {
195 FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *) Vendor)->FlowControlMap);
196 switch (FlowControlMap & 0x00000003) {
197 case 0:
198 UefiDevicePathLibCatPrint (Str, L"UartFlowCtrl(%s)", L"None");
199 break;
200
201 case 1:
202 UefiDevicePathLibCatPrint (Str, L"UartFlowCtrl(%s)", L"Hardware");
203 break;
204
205 case 2:
206 UefiDevicePathLibCatPrint (Str, L"UartFlowCtrl(%s)", L"XonXoff");
207 break;
208
209 default:
210 break;
211 }
212
213 return ;
214 } else if (CompareGuid (&Vendor->Guid, &gEfiSasDevicePathGuid)) {
215 UefiDevicePathLibCatPrint (
216 Str,
217 L"SAS(0x%lx,0x%lx,0x%x,",
218 ((SAS_DEVICE_PATH *) Vendor)->SasAddress,
219 ((SAS_DEVICE_PATH *) Vendor)->Lun,
220 ((SAS_DEVICE_PATH *) Vendor)->RelativeTargetPort
221 );
222 Info = (((SAS_DEVICE_PATH *) Vendor)->DeviceTopology);
223 if (((Info & 0x0f) == 0) && ((Info & BIT7) == 0)) {
224 UefiDevicePathLibCatPrint (Str, L"NoTopology,0,0,0,");
225 } else if (((Info & 0x0f) <= 2) && ((Info & BIT7) == 0)) {
226 UefiDevicePathLibCatPrint (
227 Str,
228 L"%s,%s,%s,",
229 ((Info & BIT4) != 0) ? L"SATA" : L"SAS",
230 ((Info & BIT5) != 0) ? L"External" : L"Internal",
231 ((Info & BIT6) != 0) ? L"Expanded" : L"Direct"
232 );
233 if ((Info & 0x0f) == 1) {
234 UefiDevicePathLibCatPrint (Str, L"0,");
235 } else {
236 //
237 // Value 0x0 thru 0xFF -> Drive 1 thru Drive 256
238 //
239 UefiDevicePathLibCatPrint (Str, L"0x%x,", ((Info >> 8) & 0xff) + 1);
240 }
241 } else {
242 UefiDevicePathLibCatPrint (Str, L"0x%x,0,0,0,", Info);
243 }
244
245 UefiDevicePathLibCatPrint (Str, L"0x%x)", ((SAS_DEVICE_PATH *) Vendor)->Reserved);
246 return ;
247 } else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) {
248 UefiDevicePathLibCatPrint (Str, L"DebugPort()");
249 return ;
250 }
251 }
252 break;
253
254 case MEDIA_DEVICE_PATH:
255 Type = L"Media";
256 break;
257
258 default:
259 Type = L"?";
260 break;
261 }
262
263 DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH);
264 UefiDevicePathLibCatPrint (Str, L"Ven%s(%g", Type, &Vendor->Guid);
265 if (DataLength != 0) {
266 UefiDevicePathLibCatPrint (Str, L",");
267 for (Index = 0; Index < DataLength; Index++) {
268 UefiDevicePathLibCatPrint (Str, L"%02x", ((VENDOR_DEVICE_PATH_WITH_DATA *) Vendor)->VendorDefinedData[Index]);
269 }
270 }
271
272 UefiDevicePathLibCatPrint (Str, L")");
273 }
274
275 /**
276 Converts a Controller device path structure to its string representative.
277
278 @param Str The string representative of input device.
279 @param DevPath The input device path structure.
280 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
281 of the display node is used, where applicable. If DisplayOnly
282 is FALSE, then the longer text representation of the display node
283 is used.
284 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
285 representation for a device node can be used, where applicable.
286
287 **/
288 VOID
289 DevPathToTextController (
290 IN OUT POOL_PRINT *Str,
291 IN VOID *DevPath,
292 IN BOOLEAN DisplayOnly,
293 IN BOOLEAN AllowShortcuts
294 )
295 {
296 CONTROLLER_DEVICE_PATH *Controller;
297
298 Controller = DevPath;
299 UefiDevicePathLibCatPrint (
300 Str,
301 L"Ctrl(0x%x)",
302 Controller->ControllerNumber
303 );
304 }
305
306 /**
307 Converts a BMC device path structure to its string representative.
308
309 @param Str The string representative of input device.
310 @param DevPath The input device path structure.
311 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
312 of the display node is used, where applicable. If DisplayOnly
313 is FALSE, then the longer text representation of the display node
314 is used.
315 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
316 representation for a device node can be used, where applicable.
317
318 **/
319 VOID
320 DevPathToTextBmc (
321 IN OUT POOL_PRINT *Str,
322 IN VOID *DevPath,
323 IN BOOLEAN DisplayOnly,
324 IN BOOLEAN AllowShortcuts
325 )
326 {
327 BMC_DEVICE_PATH *Bmc;
328
329 Bmc = DevPath;
330 UefiDevicePathLibCatPrint (
331 Str,
332 L"BMC(0x%x,0x%lx)",
333 Bmc->InterfaceType,
334 ReadUnaligned64 ((UINT64 *) (&Bmc->BaseAddress))
335 );
336 }
337
338 /**
339 Converts a ACPI device path structure to its string representative.
340
341 @param Str The string representative of input device.
342 @param DevPath The input device path structure.
343 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
344 of the display node is used, where applicable. If DisplayOnly
345 is FALSE, then the longer text representation of the display node
346 is used.
347 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
348 representation for a device node can be used, where applicable.
349
350 **/
351 VOID
352 DevPathToTextAcpi (
353 IN OUT POOL_PRINT *Str,
354 IN VOID *DevPath,
355 IN BOOLEAN DisplayOnly,
356 IN BOOLEAN AllowShortcuts
357 )
358 {
359 ACPI_HID_DEVICE_PATH *Acpi;
360
361 Acpi = DevPath;
362 if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
363 switch (EISA_ID_TO_NUM (Acpi->HID)) {
364 case 0x0a03:
365 UefiDevicePathLibCatPrint (Str, L"PciRoot(0x%x)", Acpi->UID);
366 break;
367
368 case 0x0a08:
369 UefiDevicePathLibCatPrint (Str, L"PcieRoot(0x%x)", Acpi->UID);
370 break;
371
372 case 0x0604:
373 UefiDevicePathLibCatPrint (Str, L"Floppy(0x%x)", Acpi->UID);
374 break;
375
376 case 0x0301:
377 UefiDevicePathLibCatPrint (Str, L"Keyboard(0x%x)", Acpi->UID);
378 break;
379
380 case 0x0501:
381 UefiDevicePathLibCatPrint (Str, L"Serial(0x%x)", Acpi->UID);
382 break;
383
384 case 0x0401:
385 UefiDevicePathLibCatPrint (Str, L"ParallelPort(0x%x)", Acpi->UID);
386 break;
387
388 default:
389 UefiDevicePathLibCatPrint (Str, L"Acpi(PNP%04x,0x%x)", EISA_ID_TO_NUM (Acpi->HID), Acpi->UID);
390 break;
391 }
392 } else {
393 UefiDevicePathLibCatPrint (Str, L"Acpi(0x%08x,0x%x)", Acpi->HID, Acpi->UID);
394 }
395 }
396
397 /**
398 Converts a ACPI extended HID device path structure to its string representative.
399
400 @param Str The string representative of input device.
401 @param DevPath The input device path structure.
402 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
403 of the display node is used, where applicable. If DisplayOnly
404 is FALSE, then the longer text representation of the display node
405 is used.
406 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
407 representation for a device node can be used, where applicable.
408
409 **/
410 VOID
411 DevPathToTextAcpiEx (
412 IN OUT POOL_PRINT *Str,
413 IN VOID *DevPath,
414 IN BOOLEAN DisplayOnly,
415 IN BOOLEAN AllowShortcuts
416 )
417 {
418 ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx;
419 CHAR8 *HIDStr;
420 CHAR8 *UIDStr;
421 CHAR8 *CIDStr;
422 CHAR16 HIDText[11];
423 CHAR16 CIDText[11];
424
425 AcpiEx = DevPath;
426 HIDStr = (CHAR8 *) (((UINT8 *) AcpiEx) + sizeof (ACPI_EXTENDED_HID_DEVICE_PATH));
427 UIDStr = HIDStr + AsciiStrLen (HIDStr) + 1;
428 CIDStr = UIDStr + AsciiStrLen (UIDStr) + 1;
429
430 if (DisplayOnly) {
431 if ((EISA_ID_TO_NUM (AcpiEx->HID) == 0x0A03) ||
432 (EISA_ID_TO_NUM (AcpiEx->CID) == 0x0A03 && EISA_ID_TO_NUM (AcpiEx->HID) != 0x0A08)) {
433 if (AcpiEx->UID == 0) {
434 UefiDevicePathLibCatPrint (Str, L"PciRoot(%a)", UIDStr);
435 } else {
436 UefiDevicePathLibCatPrint (Str, L"PciRoot(0x%x)", AcpiEx->UID);
437 }
438 return;
439 }
440
441 if (EISA_ID_TO_NUM (AcpiEx->HID) == 0x0A08 || EISA_ID_TO_NUM (AcpiEx->CID) == 0x0A08) {
442 if (AcpiEx->UID == 0) {
443 UefiDevicePathLibCatPrint (Str, L"PcieRoot(%a)", UIDStr);
444 } else {
445 UefiDevicePathLibCatPrint (Str, L"PcieRoot(0x%x)", AcpiEx->UID);
446 }
447 return;
448 }
449 }
450
451 //
452 // Converts EISA identification to string.
453 //
454 UnicodeSPrint (
455 HIDText,
456 sizeof (HIDText),
457 L"%c%c%c%04X",
458 ((AcpiEx->HID >> 10) & 0x1f) + 'A' - 1,
459 ((AcpiEx->HID >> 5) & 0x1f) + 'A' - 1,
460 ((AcpiEx->HID >> 0) & 0x1f) + 'A' - 1,
461 (AcpiEx->HID >> 16) & 0xFFFF
462 );
463 UnicodeSPrint (
464 CIDText,
465 sizeof (CIDText),
466 L"%c%c%c%04X",
467 ((AcpiEx->CID >> 10) & 0x1f) + 'A' - 1,
468 ((AcpiEx->CID >> 5) & 0x1f) + 'A' - 1,
469 ((AcpiEx->CID >> 0) & 0x1f) + 'A' - 1,
470 (AcpiEx->CID >> 16) & 0xFFFF
471 );
472
473 if ((*HIDStr == '\0') && (*CIDStr == '\0') && (*UIDStr != '\0')) {
474 //
475 // use AcpiExp()
476 //
477 if (AcpiEx->CID == 0) {
478 UefiDevicePathLibCatPrint (
479 Str,
480 L"AcpiExp(%s,0,%a)",
481 HIDText,
482 UIDStr
483 );
484 } else {
485 UefiDevicePathLibCatPrint (
486 Str,
487 L"AcpiExp(%s,%s,%a)",
488 HIDText,
489 CIDText,
490 UIDStr
491 );
492 }
493 } else {
494 if (DisplayOnly) {
495 //
496 // display only
497 //
498 if (AcpiEx->HID == 0) {
499 UefiDevicePathLibCatPrint (Str, L"AcpiEx(%a,", HIDStr);
500 } else {
501 UefiDevicePathLibCatPrint (Str, L"AcpiEx(%s,", HIDText);
502 }
503
504 if (AcpiEx->CID == 0) {
505 UefiDevicePathLibCatPrint (Str, L"%a,", CIDStr);
506 } else {
507 UefiDevicePathLibCatPrint (Str, L"%s,", CIDText);
508 }
509
510 if (AcpiEx->UID == 0) {
511 UefiDevicePathLibCatPrint (Str, L"%a)", UIDStr);
512 } else {
513 UefiDevicePathLibCatPrint (Str, L"0x%x)", AcpiEx->UID);
514 }
515 } else {
516 UefiDevicePathLibCatPrint (
517 Str,
518 L"AcpiEx(%s,%s,0x%x,%a,%a,%a)",
519 HIDText,
520 CIDText,
521 AcpiEx->UID,
522 HIDStr,
523 CIDStr,
524 UIDStr
525 );
526 }
527 }
528 }
529
530 /**
531 Converts a ACPI address device path structure to its string representative.
532
533 @param Str The string representative of input device.
534 @param DevPath The input device path structure.
535 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
536 of the display node is used, where applicable. If DisplayOnly
537 is FALSE, then the longer text representation of the display node
538 is used.
539 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
540 representation for a device node can be used, where applicable.
541
542 **/
543 VOID
544 DevPathToTextAcpiAdr (
545 IN OUT POOL_PRINT *Str,
546 IN VOID *DevPath,
547 IN BOOLEAN DisplayOnly,
548 IN BOOLEAN AllowShortcuts
549 )
550 {
551 ACPI_ADR_DEVICE_PATH *AcpiAdr;
552 UINT16 Index;
553 UINT16 Length;
554 UINT16 AdditionalAdrCount;
555
556 AcpiAdr = DevPath;
557 Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr);
558 AdditionalAdrCount = (UINT16) ((Length - 8) / 4);
559
560 UefiDevicePathLibCatPrint (Str, L"AcpiAdr(0x%x", AcpiAdr->ADR);
561 for (Index = 0; Index < AdditionalAdrCount; Index++) {
562 UefiDevicePathLibCatPrint (Str, L",0x%x", *(UINT32 *) ((UINT8 *) AcpiAdr + 8 + Index * 4));
563 }
564 UefiDevicePathLibCatPrint (Str, L")");
565 }
566
567 /**
568 Converts a ATAPI device path structure to its string representative.
569
570 @param Str The string representative of input device.
571 @param DevPath The input device path structure.
572 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
573 of the display node is used, where applicable. If DisplayOnly
574 is FALSE, then the longer text representation of the display node
575 is used.
576 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
577 representation for a device node can be used, where applicable.
578
579 **/
580 VOID
581 DevPathToTextAtapi (
582 IN OUT POOL_PRINT *Str,
583 IN VOID *DevPath,
584 IN BOOLEAN DisplayOnly,
585 IN BOOLEAN AllowShortcuts
586 )
587 {
588 ATAPI_DEVICE_PATH *Atapi;
589
590 Atapi = DevPath;
591
592 if (DisplayOnly) {
593 UefiDevicePathLibCatPrint (Str, L"Ata(0x%x)", Atapi->Lun);
594 } else {
595 UefiDevicePathLibCatPrint (
596 Str,
597 L"Ata(%s,%s,0x%x)",
598 (Atapi->PrimarySecondary == 1) ? L"Secondary" : L"Primary",
599 (Atapi->SlaveMaster == 1) ? L"Slave" : L"Master",
600 Atapi->Lun
601 );
602 }
603 }
604
605 /**
606 Converts a SCSI device path structure to its string representative.
607
608 @param Str The string representative of input device.
609 @param DevPath The input device path structure.
610 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
611 of the display node is used, where applicable. If DisplayOnly
612 is FALSE, then the longer text representation of the display node
613 is used.
614 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
615 representation for a device node can be used, where applicable.
616
617 **/
618 VOID
619 DevPathToTextScsi (
620 IN OUT POOL_PRINT *Str,
621 IN VOID *DevPath,
622 IN BOOLEAN DisplayOnly,
623 IN BOOLEAN AllowShortcuts
624 )
625 {
626 SCSI_DEVICE_PATH *Scsi;
627
628 Scsi = DevPath;
629 UefiDevicePathLibCatPrint (Str, L"Scsi(0x%x,0x%x)", Scsi->Pun, Scsi->Lun);
630 }
631
632 /**
633 Converts a Fibre device path structure to its string representative.
634
635 @param Str The string representative of input device.
636 @param DevPath The input device path structure.
637 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
638 of the display node is used, where applicable. If DisplayOnly
639 is FALSE, then the longer text representation of the display node
640 is used.
641 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
642 representation for a device node can be used, where applicable.
643
644 **/
645 VOID
646 DevPathToTextFibre (
647 IN OUT POOL_PRINT *Str,
648 IN VOID *DevPath,
649 IN BOOLEAN DisplayOnly,
650 IN BOOLEAN AllowShortcuts
651 )
652 {
653 FIBRECHANNEL_DEVICE_PATH *Fibre;
654
655 Fibre = DevPath;
656 UefiDevicePathLibCatPrint (Str, L"Fibre(0x%lx,0x%lx)", Fibre->WWN, Fibre->Lun);
657 }
658
659 /**
660 Converts a FibreEx device path structure to its string representative.
661
662 @param Str The string representative of input device.
663 @param DevPath The input device path structure.
664 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
665 of the display node is used, where applicable. If DisplayOnly
666 is FALSE, then the longer text representation of the display node
667 is used.
668 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
669 representation for a device node can be used, where applicable.
670
671 **/
672 VOID
673 DevPathToTextFibreEx (
674 IN OUT POOL_PRINT *Str,
675 IN VOID *DevPath,
676 IN BOOLEAN DisplayOnly,
677 IN BOOLEAN AllowShortcuts
678 )
679 {
680 FIBRECHANNELEX_DEVICE_PATH *FibreEx;
681 UINTN Index;
682
683 FibreEx = DevPath;
684 UefiDevicePathLibCatPrint (Str, L"FibreEx(0x");
685 for (Index = 0; Index < sizeof (FibreEx->WWN) / sizeof (FibreEx->WWN[0]); Index++) {
686 UefiDevicePathLibCatPrint (Str, L"%02x", FibreEx->WWN[Index]);
687 }
688 UefiDevicePathLibCatPrint (Str, L",0x");
689 for (Index = 0; Index < sizeof (FibreEx->Lun) / sizeof (FibreEx->Lun[0]); Index++) {
690 UefiDevicePathLibCatPrint (Str, L"%02x", FibreEx->Lun[Index]);
691 }
692 UefiDevicePathLibCatPrint (Str, L")");
693 }
694
695 /**
696 Converts a Sas Ex device path structure to its string representative.
697
698 @param Str The string representative of input device.
699 @param DevPath The input device path structure.
700 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
701 of the display node is used, where applicable. If DisplayOnly
702 is FALSE, then the longer text representation of the display node
703 is used.
704 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
705 representation for a device node can be used, where applicable.
706
707 **/
708 VOID
709 DevPathToTextSasEx (
710 IN OUT POOL_PRINT *Str,
711 IN VOID *DevPath,
712 IN BOOLEAN DisplayOnly,
713 IN BOOLEAN AllowShortcuts
714 )
715 {
716 SASEX_DEVICE_PATH *SasEx;
717 UINTN Index;
718
719 SasEx = DevPath;
720 UefiDevicePathLibCatPrint (Str, L"SasEx(0x");
721
722 for (Index = 0; Index < sizeof (SasEx->SasAddress) / sizeof (SasEx->SasAddress[0]); Index++) {
723 UefiDevicePathLibCatPrint (Str, L"%02x", SasEx->SasAddress[Index]);
724 }
725 UefiDevicePathLibCatPrint (Str, L",0x");
726 for (Index = 0; Index < sizeof (SasEx->Lun) / sizeof (SasEx->Lun[0]); Index++) {
727 UefiDevicePathLibCatPrint (Str, L"%02x", SasEx->Lun[Index]);
728 }
729 UefiDevicePathLibCatPrint (Str, L",0x%x,", SasEx->RelativeTargetPort);
730
731 if (((SasEx->DeviceTopology & 0x0f) == 0) && ((SasEx->DeviceTopology & BIT7) == 0)) {
732 UefiDevicePathLibCatPrint (Str, L"NoTopology,0,0,0");
733 } else if (((SasEx->DeviceTopology & 0x0f) <= 2) && ((SasEx->DeviceTopology & BIT7) == 0)) {
734 UefiDevicePathLibCatPrint (
735 Str,
736 L"%s,%s,%s,",
737 ((SasEx->DeviceTopology & BIT4) != 0) ? L"SATA" : L"SAS",
738 ((SasEx->DeviceTopology & BIT5) != 0) ? L"External" : L"Internal",
739 ((SasEx->DeviceTopology & BIT6) != 0) ? L"Expanded" : L"Direct"
740 );
741 if ((SasEx->DeviceTopology & 0x0f) == 1) {
742 UefiDevicePathLibCatPrint (Str, L"0");
743 } else {
744 //
745 // Value 0x0 thru 0xFF -> Drive 1 thru Drive 256
746 //
747 UefiDevicePathLibCatPrint (Str, L"0x%x", ((SasEx->DeviceTopology >> 8) & 0xff) + 1);
748 }
749 } else {
750 UefiDevicePathLibCatPrint (Str, L"0x%x,0,0,0", SasEx->DeviceTopology);
751 }
752
753 UefiDevicePathLibCatPrint (Str, L")");
754 return ;
755
756 }
757
758 /**
759 Converts a NVM Express Namespace device path structure to its string representative.
760
761 @param Str The string representative of input device.
762 @param DevPath The input device path structure.
763 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
764 of the display node is used, where applicable. If DisplayOnly
765 is FALSE, then the longer text representation of the display node
766 is used.
767 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
768 representation for a device node can be used, where applicable.
769
770 **/
771 VOID
772 DevPathToTextNVMe (
773 IN OUT POOL_PRINT *Str,
774 IN VOID *DevPath,
775 IN BOOLEAN DisplayOnly,
776 IN BOOLEAN AllowShortcuts
777 )
778 {
779 NVME_NAMESPACE_DEVICE_PATH *Nvme;
780 UINT8 *Uuid;
781
782 Nvme = DevPath;
783 Uuid = (UINT8 *) &Nvme->NamespaceUuid;
784 UefiDevicePathLibCatPrint (
785 Str,
786 L"NVMe(0x%x,%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x)",
787 Nvme->NamespaceId,
788 Uuid[7], Uuid[6], Uuid[5], Uuid[4],
789 Uuid[3], Uuid[2], Uuid[1], Uuid[0]
790 );
791 }
792
793 /**
794 Converts a UFS device path structure to its string representative.
795
796 @param Str The string representative of input device.
797 @param DevPath The input device path structure.
798 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
799 of the display node is used, where applicable. If DisplayOnly
800 is FALSE, then the longer text representation of the display node
801 is used.
802 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
803 representation for a device node can be used, where applicable.
804
805 **/
806 VOID
807 DevPathToTextUfs (
808 IN OUT POOL_PRINT *Str,
809 IN VOID *DevPath,
810 IN BOOLEAN DisplayOnly,
811 IN BOOLEAN AllowShortcuts
812 )
813 {
814 UFS_DEVICE_PATH *Ufs;
815
816 Ufs = DevPath;
817 UefiDevicePathLibCatPrint (Str, L"UFS(0x%x,0x%x)", Ufs->Pun, Ufs->Lun);
818 }
819
820 /**
821 Converts a SD (Secure Digital) device path structure to its string representative.
822
823 @param Str The string representative of input device.
824 @param DevPath The input device path structure.
825 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
826 of the display node is used, where applicable. If DisplayOnly
827 is FALSE, then the longer text representation of the display node
828 is used.
829 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
830 representation for a device node can be used, where applicable.
831
832 **/
833 VOID
834 DevPathToTextSd (
835 IN OUT POOL_PRINT *Str,
836 IN VOID *DevPath,
837 IN BOOLEAN DisplayOnly,
838 IN BOOLEAN AllowShortcuts
839 )
840 {
841 SD_DEVICE_PATH *Sd;
842
843 Sd = DevPath;
844 UefiDevicePathLibCatPrint (
845 Str,
846 L"SD(0x%x)",
847 Sd->SlotNumber
848 );
849 }
850
851 /**
852 Converts a EMMC (Embedded MMC) device path structure to its string representative.
853
854 @param Str The string representative of input device.
855 @param DevPath The input device path structure.
856 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
857 of the display node is used, where applicable. If DisplayOnly
858 is FALSE, then the longer text representation of the display node
859 is used.
860 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
861 representation for a device node can be used, where applicable.
862
863 **/
864 VOID
865 DevPathToTextEmmc (
866 IN OUT POOL_PRINT *Str,
867 IN VOID *DevPath,
868 IN BOOLEAN DisplayOnly,
869 IN BOOLEAN AllowShortcuts
870 )
871 {
872 EMMC_DEVICE_PATH *Emmc;
873
874 Emmc = DevPath;
875 UefiDevicePathLibCatPrint (
876 Str,
877 L"eMMC(0x%x)",
878 Emmc->SlotNumber
879 );
880 }
881
882 /**
883 Converts a 1394 device path structure to its string representative.
884
885 @param Str The string representative of input device.
886 @param DevPath The input device path structure.
887 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
888 of the display node is used, where applicable. If DisplayOnly
889 is FALSE, then the longer text representation of the display node
890 is used.
891 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
892 representation for a device node can be used, where applicable.
893
894 **/
895 VOID
896 DevPathToText1394 (
897 IN OUT POOL_PRINT *Str,
898 IN VOID *DevPath,
899 IN BOOLEAN DisplayOnly,
900 IN BOOLEAN AllowShortcuts
901 )
902 {
903 F1394_DEVICE_PATH *F1394DevPath;
904
905 F1394DevPath = DevPath;
906 //
907 // Guid has format of IEEE-EUI64
908 //
909 UefiDevicePathLibCatPrint (Str, L"I1394(%016lx)", F1394DevPath->Guid);
910 }
911
912 /**
913 Converts a USB device path structure to its string representative.
914
915 @param Str The string representative of input device.
916 @param DevPath The input device path structure.
917 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
918 of the display node is used, where applicable. If DisplayOnly
919 is FALSE, then the longer text representation of the display node
920 is used.
921 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
922 representation for a device node can be used, where applicable.
923
924 **/
925 VOID
926 DevPathToTextUsb (
927 IN OUT POOL_PRINT *Str,
928 IN VOID *DevPath,
929 IN BOOLEAN DisplayOnly,
930 IN BOOLEAN AllowShortcuts
931 )
932 {
933 USB_DEVICE_PATH *Usb;
934
935 Usb = DevPath;
936 UefiDevicePathLibCatPrint (Str, L"USB(0x%x,0x%x)", Usb->ParentPortNumber, Usb->InterfaceNumber);
937 }
938
939 /**
940 Converts a USB WWID device path structure to its string representative.
941
942 @param Str The string representative of input device.
943 @param DevPath The input device path structure.
944 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
945 of the display node is used, where applicable. If DisplayOnly
946 is FALSE, then the longer text representation of the display node
947 is used.
948 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
949 representation for a device node can be used, where applicable.
950
951 **/
952 VOID
953 DevPathToTextUsbWWID (
954 IN OUT POOL_PRINT *Str,
955 IN VOID *DevPath,
956 IN BOOLEAN DisplayOnly,
957 IN BOOLEAN AllowShortcuts
958 )
959 {
960 USB_WWID_DEVICE_PATH *UsbWWId;
961 CHAR16 *SerialNumberStr;
962 CHAR16 *NewStr;
963 UINT16 Length;
964
965 UsbWWId = DevPath;
966
967 SerialNumberStr = (CHAR16 *) ((UINT8 *) UsbWWId + sizeof (USB_WWID_DEVICE_PATH));
968 Length = (UINT16) ((DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) UsbWWId) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16));
969 if (Length >= 1 && SerialNumberStr [Length - 1] != 0) {
970 //
971 // In case no NULL terminator in SerialNumber, create a new one with NULL terminator
972 //
973 NewStr = AllocateCopyPool ((Length + 1) * sizeof (CHAR16), SerialNumberStr);
974 ASSERT (NewStr != NULL);
975 NewStr [Length] = 0;
976 SerialNumberStr = NewStr;
977 }
978
979 UefiDevicePathLibCatPrint (
980 Str,
981 L"UsbWwid(0x%x,0x%x,0x%x,\"%s\")",
982 UsbWWId->VendorId,
983 UsbWWId->ProductId,
984 UsbWWId->InterfaceNumber,
985 SerialNumberStr
986 );
987 }
988
989 /**
990 Converts a Logic Unit device path structure to its string representative.
991
992 @param Str The string representative of input device.
993 @param DevPath The input device path structure.
994 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
995 of the display node is used, where applicable. If DisplayOnly
996 is FALSE, then the longer text representation of the display node
997 is used.
998 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
999 representation for a device node can be used, where applicable.
1000
1001 **/
1002 VOID
1003 DevPathToTextLogicalUnit (
1004 IN OUT POOL_PRINT *Str,
1005 IN VOID *DevPath,
1006 IN BOOLEAN DisplayOnly,
1007 IN BOOLEAN AllowShortcuts
1008 )
1009 {
1010 DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit;
1011
1012 LogicalUnit = DevPath;
1013 UefiDevicePathLibCatPrint (Str, L"Unit(0x%x)", LogicalUnit->Lun);
1014 }
1015
1016 /**
1017 Converts a USB class device path structure to its string representative.
1018
1019 @param Str The string representative of input device.
1020 @param DevPath The input device path structure.
1021 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1022 of the display node is used, where applicable. If DisplayOnly
1023 is FALSE, then the longer text representation of the display node
1024 is used.
1025 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1026 representation for a device node can be used, where applicable.
1027
1028 **/
1029 VOID
1030 DevPathToTextUsbClass (
1031 IN OUT POOL_PRINT *Str,
1032 IN VOID *DevPath,
1033 IN BOOLEAN DisplayOnly,
1034 IN BOOLEAN AllowShortcuts
1035 )
1036 {
1037 USB_CLASS_DEVICE_PATH *UsbClass;
1038 BOOLEAN IsKnownSubClass;
1039
1040
1041 UsbClass = DevPath;
1042
1043 IsKnownSubClass = TRUE;
1044 switch (UsbClass->DeviceClass) {
1045 case USB_CLASS_AUDIO:
1046 UefiDevicePathLibCatPrint (Str, L"UsbAudio");
1047 break;
1048
1049 case USB_CLASS_CDCCONTROL:
1050 UefiDevicePathLibCatPrint (Str, L"UsbCDCControl");
1051 break;
1052
1053 case USB_CLASS_HID:
1054 UefiDevicePathLibCatPrint (Str, L"UsbHID");
1055 break;
1056
1057 case USB_CLASS_IMAGE:
1058 UefiDevicePathLibCatPrint (Str, L"UsbImage");
1059 break;
1060
1061 case USB_CLASS_PRINTER:
1062 UefiDevicePathLibCatPrint (Str, L"UsbPrinter");
1063 break;
1064
1065 case USB_CLASS_MASS_STORAGE:
1066 UefiDevicePathLibCatPrint (Str, L"UsbMassStorage");
1067 break;
1068
1069 case USB_CLASS_HUB:
1070 UefiDevicePathLibCatPrint (Str, L"UsbHub");
1071 break;
1072
1073 case USB_CLASS_CDCDATA:
1074 UefiDevicePathLibCatPrint (Str, L"UsbCDCData");
1075 break;
1076
1077 case USB_CLASS_SMART_CARD:
1078 UefiDevicePathLibCatPrint (Str, L"UsbSmartCard");
1079 break;
1080
1081 case USB_CLASS_VIDEO:
1082 UefiDevicePathLibCatPrint (Str, L"UsbVideo");
1083 break;
1084
1085 case USB_CLASS_DIAGNOSTIC:
1086 UefiDevicePathLibCatPrint (Str, L"UsbDiagnostic");
1087 break;
1088
1089 case USB_CLASS_WIRELESS:
1090 UefiDevicePathLibCatPrint (Str, L"UsbWireless");
1091 break;
1092
1093 default:
1094 IsKnownSubClass = FALSE;
1095 break;
1096 }
1097
1098 if (IsKnownSubClass) {
1099 UefiDevicePathLibCatPrint (
1100 Str,
1101 L"(0x%x,0x%x,0x%x,0x%x)",
1102 UsbClass->VendorId,
1103 UsbClass->ProductId,
1104 UsbClass->DeviceSubClass,
1105 UsbClass->DeviceProtocol
1106 );
1107 return;
1108 }
1109
1110 if (UsbClass->DeviceClass == USB_CLASS_RESERVE) {
1111 if (UsbClass->DeviceSubClass == USB_SUBCLASS_FW_UPDATE) {
1112 UefiDevicePathLibCatPrint (
1113 Str,
1114 L"UsbDeviceFirmwareUpdate(0x%x,0x%x,0x%x)",
1115 UsbClass->VendorId,
1116 UsbClass->ProductId,
1117 UsbClass->DeviceProtocol
1118 );
1119 return;
1120 } else if (UsbClass->DeviceSubClass == USB_SUBCLASS_IRDA_BRIDGE) {
1121 UefiDevicePathLibCatPrint (
1122 Str,
1123 L"UsbIrdaBridge(0x%x,0x%x,0x%x)",
1124 UsbClass->VendorId,
1125 UsbClass->ProductId,
1126 UsbClass->DeviceProtocol
1127 );
1128 return;
1129 } else if (UsbClass->DeviceSubClass == USB_SUBCLASS_TEST) {
1130 UefiDevicePathLibCatPrint (
1131 Str,
1132 L"UsbTestAndMeasurement(0x%x,0x%x,0x%x)",
1133 UsbClass->VendorId,
1134 UsbClass->ProductId,
1135 UsbClass->DeviceProtocol
1136 );
1137 return;
1138 }
1139 }
1140
1141 UefiDevicePathLibCatPrint (
1142 Str,
1143 L"UsbClass(0x%x,0x%x,0x%x,0x%x,0x%x)",
1144 UsbClass->VendorId,
1145 UsbClass->ProductId,
1146 UsbClass->DeviceClass,
1147 UsbClass->DeviceSubClass,
1148 UsbClass->DeviceProtocol
1149 );
1150 }
1151
1152 /**
1153 Converts a SATA device path structure to its string representative.
1154
1155 @param Str The string representative of input device.
1156 @param DevPath The input device path structure.
1157 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1158 of the display node is used, where applicable. If DisplayOnly
1159 is FALSE, then the longer text representation of the display node
1160 is used.
1161 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1162 representation for a device node can be used, where applicable.
1163
1164 **/
1165 VOID
1166 DevPathToTextSata (
1167 IN OUT POOL_PRINT *Str,
1168 IN VOID *DevPath,
1169 IN BOOLEAN DisplayOnly,
1170 IN BOOLEAN AllowShortcuts
1171 )
1172 {
1173 SATA_DEVICE_PATH *Sata;
1174
1175 Sata = DevPath;
1176 UefiDevicePathLibCatPrint (
1177 Str,
1178 L"Sata(0x%x,0x%x,0x%x)",
1179 Sata->HBAPortNumber,
1180 Sata->PortMultiplierPortNumber,
1181 Sata->Lun
1182 );
1183 }
1184
1185 /**
1186 Converts a I20 device path structure to its string representative.
1187
1188 @param Str The string representative of input device.
1189 @param DevPath The input device path structure.
1190 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1191 of the display node is used, where applicable. If DisplayOnly
1192 is FALSE, then the longer text representation of the display node
1193 is used.
1194 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1195 representation for a device node can be used, where applicable.
1196
1197 **/
1198 VOID
1199 DevPathToTextI2O (
1200 IN OUT POOL_PRINT *Str,
1201 IN VOID *DevPath,
1202 IN BOOLEAN DisplayOnly,
1203 IN BOOLEAN AllowShortcuts
1204 )
1205 {
1206 I2O_DEVICE_PATH *I2ODevPath;
1207
1208 I2ODevPath = DevPath;
1209 UefiDevicePathLibCatPrint (Str, L"I2O(0x%x)", I2ODevPath->Tid);
1210 }
1211
1212 /**
1213 Converts a MAC address device path structure to its string representative.
1214
1215 @param Str The string representative of input device.
1216 @param DevPath The input device path structure.
1217 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1218 of the display node is used, where applicable. If DisplayOnly
1219 is FALSE, then the longer text representation of the display node
1220 is used.
1221 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1222 representation for a device node can be used, where applicable.
1223
1224 **/
1225 VOID
1226 DevPathToTextMacAddr (
1227 IN OUT POOL_PRINT *Str,
1228 IN VOID *DevPath,
1229 IN BOOLEAN DisplayOnly,
1230 IN BOOLEAN AllowShortcuts
1231 )
1232 {
1233 MAC_ADDR_DEVICE_PATH *MacDevPath;
1234 UINTN HwAddressSize;
1235 UINTN Index;
1236
1237 MacDevPath = DevPath;
1238
1239 HwAddressSize = sizeof (EFI_MAC_ADDRESS);
1240 if (MacDevPath->IfType == 0x01 || MacDevPath->IfType == 0x00) {
1241 HwAddressSize = 6;
1242 }
1243
1244 UefiDevicePathLibCatPrint (Str, L"MAC(");
1245
1246 for (Index = 0; Index < HwAddressSize; Index++) {
1247 UefiDevicePathLibCatPrint (Str, L"%02x", MacDevPath->MacAddress.Addr[Index]);
1248 }
1249
1250 UefiDevicePathLibCatPrint (Str, L",0x%x)", MacDevPath->IfType);
1251 }
1252
1253 /**
1254 Converts network protocol string to its text representation.
1255
1256 @param Str The string representative of input device.
1257 @param Protocol The network protocol ID.
1258
1259 **/
1260 VOID
1261 CatNetworkProtocol (
1262 IN OUT POOL_PRINT *Str,
1263 IN UINT16 Protocol
1264 )
1265 {
1266 if (Protocol == RFC_1700_TCP_PROTOCOL) {
1267 UefiDevicePathLibCatPrint (Str, L"TCP");
1268 } else if (Protocol == RFC_1700_UDP_PROTOCOL) {
1269 UefiDevicePathLibCatPrint (Str, L"UDP");
1270 } else {
1271 UefiDevicePathLibCatPrint (Str, L"0x%x", Protocol);
1272 }
1273 }
1274
1275 /**
1276 Converts IP v4 address to its text representation.
1277
1278 @param Str The string representative of input device.
1279 @param Address The IP v4 address.
1280 **/
1281 VOID
1282 CatIPv4Address (
1283 IN OUT POOL_PRINT *Str,
1284 IN EFI_IPv4_ADDRESS *Address
1285 )
1286 {
1287 UefiDevicePathLibCatPrint (Str, L"%d.%d.%d.%d", Address->Addr[0], Address->Addr[1], Address->Addr[2], Address->Addr[3]);
1288 }
1289
1290 /**
1291 Converts IP v6 address to its text representation.
1292
1293 @param Str The string representative of input device.
1294 @param Address The IP v6 address.
1295 **/
1296 VOID
1297 CatIPv6Address (
1298 IN OUT POOL_PRINT *Str,
1299 IN EFI_IPv6_ADDRESS *Address
1300 )
1301 {
1302 UefiDevicePathLibCatPrint (
1303 Str, L"%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1304 Address->Addr[0], Address->Addr[1],
1305 Address->Addr[2], Address->Addr[3],
1306 Address->Addr[4], Address->Addr[5],
1307 Address->Addr[6], Address->Addr[7],
1308 Address->Addr[8], Address->Addr[9],
1309 Address->Addr[10], Address->Addr[11],
1310 Address->Addr[12], Address->Addr[13],
1311 Address->Addr[14], Address->Addr[15]
1312 );
1313 }
1314
1315 /**
1316 Converts a IPv4 device path structure to its string representative.
1317
1318 @param Str The string representative of input device.
1319 @param DevPath The input device path structure.
1320 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1321 of the display node is used, where applicable. If DisplayOnly
1322 is FALSE, then the longer text representation of the display node
1323 is used.
1324 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1325 representation for a device node can be used, where applicable.
1326
1327 **/
1328 VOID
1329 DevPathToTextIPv4 (
1330 IN OUT POOL_PRINT *Str,
1331 IN VOID *DevPath,
1332 IN BOOLEAN DisplayOnly,
1333 IN BOOLEAN AllowShortcuts
1334 )
1335 {
1336 IPv4_DEVICE_PATH *IPDevPath;
1337
1338 IPDevPath = DevPath;
1339 UefiDevicePathLibCatPrint (Str, L"IPv4(");
1340 CatIPv4Address (Str, &IPDevPath->RemoteIpAddress);
1341
1342 if (DisplayOnly) {
1343 UefiDevicePathLibCatPrint (Str, L")");
1344 return ;
1345 }
1346
1347 UefiDevicePathLibCatPrint (Str, L",");
1348 CatNetworkProtocol (Str, IPDevPath->Protocol);
1349
1350 UefiDevicePathLibCatPrint (Str, L",%s,", IPDevPath->StaticIpAddress ? L"Static" : L"DHCP");
1351 CatIPv4Address (Str, &IPDevPath->LocalIpAddress);
1352 if (DevicePathNodeLength (IPDevPath) == sizeof (IPv4_DEVICE_PATH)) {
1353 UefiDevicePathLibCatPrint (Str, L",");
1354 CatIPv4Address (Str, &IPDevPath->GatewayIpAddress);
1355 UefiDevicePathLibCatPrint (Str, L",");
1356 CatIPv4Address (Str, &IPDevPath->SubnetMask);
1357 }
1358 UefiDevicePathLibCatPrint (Str, L")");
1359 }
1360
1361 /**
1362 Converts a IPv6 device path structure to its string representative.
1363
1364 @param Str The string representative of input device.
1365 @param DevPath The input device path structure.
1366 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1367 of the display node is used, where applicable. If DisplayOnly
1368 is FALSE, then the longer text representation of the display node
1369 is used.
1370 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1371 representation for a device node can be used, where applicable.
1372
1373 **/
1374 VOID
1375 DevPathToTextIPv6 (
1376 IN OUT POOL_PRINT *Str,
1377 IN VOID *DevPath,
1378 IN BOOLEAN DisplayOnly,
1379 IN BOOLEAN AllowShortcuts
1380 )
1381 {
1382 IPv6_DEVICE_PATH *IPDevPath;
1383
1384 IPDevPath = DevPath;
1385 UefiDevicePathLibCatPrint (Str, L"IPv6(");
1386 CatIPv6Address (Str, &IPDevPath->RemoteIpAddress);
1387 if (DisplayOnly) {
1388 UefiDevicePathLibCatPrint (Str, L")");
1389 return ;
1390 }
1391
1392 UefiDevicePathLibCatPrint (Str, L",");
1393 CatNetworkProtocol (Str, IPDevPath->Protocol);
1394
1395 switch (IPDevPath->IpAddressOrigin) {
1396 case 0:
1397 UefiDevicePathLibCatPrint (Str, L",Static,");
1398 break;
1399 case 1:
1400 UefiDevicePathLibCatPrint (Str, L",StatelessAutoConfigure,");
1401 break;
1402 default:
1403 UefiDevicePathLibCatPrint (Str, L",StatefulAutoConfigure,");
1404 break;
1405 }
1406
1407 CatIPv6Address (Str, &IPDevPath->LocalIpAddress);
1408
1409 if (DevicePathNodeLength (IPDevPath) == sizeof (IPv6_DEVICE_PATH)) {
1410 UefiDevicePathLibCatPrint (Str, L",0x%x,", IPDevPath->PrefixLength);
1411 CatIPv6Address (Str, &IPDevPath->GatewayIpAddress);
1412 }
1413 UefiDevicePathLibCatPrint (Str, L")");
1414 }
1415
1416 /**
1417 Converts an Infini Band device path structure to its string representative.
1418
1419 @param Str The string representative of input device.
1420 @param DevPath The input device path structure.
1421 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1422 of the display node is used, where applicable. If DisplayOnly
1423 is FALSE, then the longer text representation of the display node
1424 is used.
1425 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1426 representation for a device node can be used, where applicable.
1427
1428 **/
1429 VOID
1430 DevPathToTextInfiniBand (
1431 IN OUT POOL_PRINT *Str,
1432 IN VOID *DevPath,
1433 IN BOOLEAN DisplayOnly,
1434 IN BOOLEAN AllowShortcuts
1435 )
1436 {
1437 INFINIBAND_DEVICE_PATH *InfiniBand;
1438
1439 InfiniBand = DevPath;
1440 UefiDevicePathLibCatPrint (
1441 Str,
1442 L"Infiniband(0x%x,%g,0x%lx,0x%lx,0x%lx)",
1443 InfiniBand->ResourceFlags,
1444 InfiniBand->PortGid,
1445 InfiniBand->ServiceId,
1446 InfiniBand->TargetPortId,
1447 InfiniBand->DeviceId
1448 );
1449 }
1450
1451 /**
1452 Converts a UART device path structure to its string representative.
1453
1454 @param Str The string representative of input device.
1455 @param DevPath The input device path structure.
1456 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1457 of the display node is used, where applicable. If DisplayOnly
1458 is FALSE, then the longer text representation of the display node
1459 is used.
1460 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1461 representation for a device node can be used, where applicable.
1462
1463 **/
1464 VOID
1465 DevPathToTextUart (
1466 IN OUT POOL_PRINT *Str,
1467 IN VOID *DevPath,
1468 IN BOOLEAN DisplayOnly,
1469 IN BOOLEAN AllowShortcuts
1470 )
1471 {
1472 UART_DEVICE_PATH *Uart;
1473 CHAR8 Parity;
1474
1475 Uart = DevPath;
1476 switch (Uart->Parity) {
1477 case 0:
1478 Parity = 'D';
1479 break;
1480
1481 case 1:
1482 Parity = 'N';
1483 break;
1484
1485 case 2:
1486 Parity = 'E';
1487 break;
1488
1489 case 3:
1490 Parity = 'O';
1491 break;
1492
1493 case 4:
1494 Parity = 'M';
1495 break;
1496
1497 case 5:
1498 Parity = 'S';
1499 break;
1500
1501 default:
1502 Parity = 'x';
1503 break;
1504 }
1505
1506 if (Uart->BaudRate == 0) {
1507 UefiDevicePathLibCatPrint (Str, L"Uart(DEFAULT,");
1508 } else {
1509 UefiDevicePathLibCatPrint (Str, L"Uart(%ld,", Uart->BaudRate);
1510 }
1511
1512 if (Uart->DataBits == 0) {
1513 UefiDevicePathLibCatPrint (Str, L"DEFAULT,");
1514 } else {
1515 UefiDevicePathLibCatPrint (Str, L"%d,", Uart->DataBits);
1516 }
1517
1518 UefiDevicePathLibCatPrint (Str, L"%c,", Parity);
1519
1520 switch (Uart->StopBits) {
1521 case 0:
1522 UefiDevicePathLibCatPrint (Str, L"D)");
1523 break;
1524
1525 case 1:
1526 UefiDevicePathLibCatPrint (Str, L"1)");
1527 break;
1528
1529 case 2:
1530 UefiDevicePathLibCatPrint (Str, L"1.5)");
1531 break;
1532
1533 case 3:
1534 UefiDevicePathLibCatPrint (Str, L"2)");
1535 break;
1536
1537 default:
1538 UefiDevicePathLibCatPrint (Str, L"x)");
1539 break;
1540 }
1541 }
1542
1543 /**
1544 Converts an iSCSI device path structure to its string representative.
1545
1546 @param Str The string representative of input device.
1547 @param DevPath The input device path structure.
1548 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1549 of the display node is used, where applicable. If DisplayOnly
1550 is FALSE, then the longer text representation of the display node
1551 is used.
1552 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1553 representation for a device node can be used, where applicable.
1554
1555 **/
1556 VOID
1557 DevPathToTextiSCSI (
1558 IN OUT POOL_PRINT *Str,
1559 IN VOID *DevPath,
1560 IN BOOLEAN DisplayOnly,
1561 IN BOOLEAN AllowShortcuts
1562 )
1563 {
1564 ISCSI_DEVICE_PATH_WITH_NAME *ISCSIDevPath;
1565 UINT16 Options;
1566 UINTN Index;
1567
1568 ISCSIDevPath = DevPath;
1569 UefiDevicePathLibCatPrint (
1570 Str,
1571 L"iSCSI(%a,0x%x,0x",
1572 ISCSIDevPath->TargetName,
1573 ISCSIDevPath->TargetPortalGroupTag
1574 );
1575 for (Index = 0; Index < sizeof (ISCSIDevPath->Lun) / sizeof (UINT8); Index++) {
1576 UefiDevicePathLibCatPrint (Str, L"%02x", ((UINT8 *)&ISCSIDevPath->Lun)[Index]);
1577 }
1578 Options = ISCSIDevPath->LoginOption;
1579 UefiDevicePathLibCatPrint (Str, L",%s,", (((Options >> 1) & 0x0001) != 0) ? L"CRC32C" : L"None");
1580 UefiDevicePathLibCatPrint (Str, L"%s,", (((Options >> 3) & 0x0001) != 0) ? L"CRC32C" : L"None");
1581 if (((Options >> 11) & 0x0001) != 0) {
1582 UefiDevicePathLibCatPrint (Str, L"%s,", L"None");
1583 } else if (((Options >> 12) & 0x0001) != 0) {
1584 UefiDevicePathLibCatPrint (Str, L"%s,", L"CHAP_UNI");
1585 } else {
1586 UefiDevicePathLibCatPrint (Str, L"%s,", L"CHAP_BI");
1587
1588 }
1589
1590 UefiDevicePathLibCatPrint (Str, L"%s)", (ISCSIDevPath->NetworkProtocol == 0) ? L"TCP" : L"reserved");
1591 }
1592
1593 /**
1594 Converts a VLAN device path structure to its string representative.
1595
1596 @param Str The string representative of input device.
1597 @param DevPath The input device path structure.
1598 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1599 of the display node is used, where applicable. If DisplayOnly
1600 is FALSE, then the longer text representation of the display node
1601 is used.
1602 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1603 representation for a device node can be used, where applicable.
1604
1605 **/
1606 VOID
1607 DevPathToTextVlan (
1608 IN OUT POOL_PRINT *Str,
1609 IN VOID *DevPath,
1610 IN BOOLEAN DisplayOnly,
1611 IN BOOLEAN AllowShortcuts
1612 )
1613 {
1614 VLAN_DEVICE_PATH *Vlan;
1615
1616 Vlan = DevPath;
1617 UefiDevicePathLibCatPrint (Str, L"Vlan(%d)", Vlan->VlanId);
1618 }
1619
1620 /**
1621 Converts a Bluetooth device path structure to its string representative.
1622
1623 @param Str The string representative of input device.
1624 @param DevPath The input device path structure.
1625 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1626 of the display node is used, where applicable. If DisplayOnly
1627 is FALSE, then the longer text representation of the display node
1628 is used.
1629 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1630 representation for a device node can be used, where applicable.
1631
1632 **/
1633 VOID
1634 DevPathToTextBluetooth (
1635 IN OUT POOL_PRINT *Str,
1636 IN VOID *DevPath,
1637 IN BOOLEAN DisplayOnly,
1638 IN BOOLEAN AllowShortcuts
1639 )
1640 {
1641 BLUETOOTH_DEVICE_PATH *Bluetooth;
1642
1643 Bluetooth = DevPath;
1644 UefiDevicePathLibCatPrint (
1645 Str,
1646 L"Bluetooth(%02x%02x%02x%02x%02x%02x)",
1647 Bluetooth->BD_ADDR.Address[0],
1648 Bluetooth->BD_ADDR.Address[1],
1649 Bluetooth->BD_ADDR.Address[2],
1650 Bluetooth->BD_ADDR.Address[3],
1651 Bluetooth->BD_ADDR.Address[4],
1652 Bluetooth->BD_ADDR.Address[5]
1653 );
1654 }
1655
1656 /**
1657 Converts a Wi-Fi device path structure to its string representative.
1658
1659 @param Str The string representative of input device.
1660 @param DevPath The input device path structure.
1661 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1662 of the display node is used, where applicable. If DisplayOnly
1663 is FALSE, then the longer text representation of the display node
1664 is used.
1665 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1666 representation for a device node can be used, where applicable.
1667
1668 **/
1669 VOID
1670 DevPathToTextWiFi (
1671 IN OUT POOL_PRINT *Str,
1672 IN VOID *DevPath,
1673 IN BOOLEAN DisplayOnly,
1674 IN BOOLEAN AllowShortcuts
1675 )
1676 {
1677 WIFI_DEVICE_PATH *WiFi;
1678 UINT8 SSId[33];
1679
1680 WiFi = DevPath;
1681
1682 SSId[32] = '\0';
1683 CopyMem (SSId, WiFi->SSId, 32);
1684
1685 UefiDevicePathLibCatPrint (Str, L"Wi-Fi(%a)", SSId);
1686 }
1687
1688 /**
1689 Converts a Bluetooth device path structure to its string representative.
1690
1691 @param Str The string representative of input device.
1692 @param DevPath The input device path structure.
1693 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1694 of the display node is used, where applicable. If DisplayOnly
1695 is FALSE, then the longer text representation of the display node
1696 is used.
1697 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1698 representation for a device node can be used, where applicable.
1699
1700 **/
1701 VOID
1702 DevPathToTextBluetoothLE (
1703 IN OUT POOL_PRINT *Str,
1704 IN VOID *DevPath,
1705 IN BOOLEAN DisplayOnly,
1706 IN BOOLEAN AllowShortcuts
1707 )
1708 {
1709 BLUETOOTH_LE_DEVICE_PATH *BluetoothLE;
1710
1711 BluetoothLE = DevPath;
1712 UefiDevicePathLibCatPrint (
1713 Str,
1714 L"BluetoothLE(%02x%02x%02x%02x%02x%02x,0x%02x)",
1715 BluetoothLE->Address.Address[0],
1716 BluetoothLE->Address.Address[1],
1717 BluetoothLE->Address.Address[2],
1718 BluetoothLE->Address.Address[3],
1719 BluetoothLE->Address.Address[4],
1720 BluetoothLE->Address.Address[5],
1721 BluetoothLE->Address.Type
1722 );
1723 }
1724
1725 /**
1726 Converts a DNS device path structure to its string representative.
1727
1728 @param Str The string representative of input device.
1729 @param DevPath The input device path structure.
1730 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1731 of the display node is used, where applicable. If DisplayOnly
1732 is FALSE, then the longer text representation of the display node
1733 is used.
1734 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1735 representation for a device node can be used, where applicable.
1736
1737 **/
1738 VOID
1739 DevPathToTextDns (
1740 IN OUT POOL_PRINT *Str,
1741 IN VOID *DevPath,
1742 IN BOOLEAN DisplayOnly,
1743 IN BOOLEAN AllowShortcuts
1744 )
1745 {
1746 DNS_DEVICE_PATH *DnsDevPath;
1747 UINT32 DnsServerIpCount;
1748 UINT32 DnsServerIpIndex;
1749
1750 DnsDevPath = DevPath;
1751 DnsServerIpCount = (UINT32) (DevicePathNodeLength(DnsDevPath) - sizeof (EFI_DEVICE_PATH_PROTOCOL) - sizeof (DnsDevPath->IsIPv6)) / sizeof (EFI_IP_ADDRESS);
1752
1753 UefiDevicePathLibCatPrint (Str, L"Dns(");
1754
1755 for (DnsServerIpIndex = 0; DnsServerIpIndex < DnsServerIpCount; DnsServerIpIndex++) {
1756 if (DnsDevPath->IsIPv6 == 0x00) {
1757 CatIPv4Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v4));
1758 } else {
1759 CatIPv6Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v6));
1760 }
1761
1762 if (DnsServerIpIndex < DnsServerIpCount - 1) {
1763 UefiDevicePathLibCatPrint (Str, L",");
1764 }
1765 }
1766
1767 UefiDevicePathLibCatPrint (Str, L")");
1768 }
1769
1770 /**
1771 Converts a URI device path structure to its string representative.
1772
1773 @param Str The string representative of input device.
1774 @param DevPath The input device path structure.
1775 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1776 of the display node is used, where applicable. If DisplayOnly
1777 is FALSE, then the longer text representation of the display node
1778 is used.
1779 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1780 representation for a device node can be used, where applicable.
1781
1782 **/
1783 VOID
1784 DevPathToTextUri (
1785 IN OUT POOL_PRINT *Str,
1786 IN VOID *DevPath,
1787 IN BOOLEAN DisplayOnly,
1788 IN BOOLEAN AllowShortcuts
1789 )
1790 {
1791 URI_DEVICE_PATH *Uri;
1792 UINTN UriLength;
1793 CHAR8 *UriStr;
1794
1795 //
1796 // Uri in the device path may not be null terminated.
1797 //
1798 Uri = DevPath;
1799 UriLength = DevicePathNodeLength (Uri) - sizeof (URI_DEVICE_PATH);
1800 UriStr = AllocatePool (UriLength + 1);
1801 ASSERT (UriStr != NULL);
1802
1803 CopyMem (UriStr, Uri->Uri, UriLength);
1804 UriStr[UriLength] = '\0';
1805 UefiDevicePathLibCatPrint (Str, L"Uri(%a)", UriStr);
1806 FreePool (UriStr);
1807 }
1808
1809 /**
1810 Converts a Hard drive device path structure to its string representative.
1811
1812 @param Str The string representative of input device.
1813 @param DevPath The input device path structure.
1814 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1815 of the display node is used, where applicable. If DisplayOnly
1816 is FALSE, then the longer text representation of the display node
1817 is used.
1818 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1819 representation for a device node can be used, where applicable.
1820
1821 **/
1822 VOID
1823 DevPathToTextHardDrive (
1824 IN OUT POOL_PRINT *Str,
1825 IN VOID *DevPath,
1826 IN BOOLEAN DisplayOnly,
1827 IN BOOLEAN AllowShortcuts
1828 )
1829 {
1830 HARDDRIVE_DEVICE_PATH *Hd;
1831
1832 Hd = DevPath;
1833 switch (Hd->SignatureType) {
1834 case SIGNATURE_TYPE_MBR:
1835 UefiDevicePathLibCatPrint (
1836 Str,
1837 L"HD(%d,%s,0x%08x,",
1838 Hd->PartitionNumber,
1839 L"MBR",
1840 *((UINT32 *) (&(Hd->Signature[0])))
1841 );
1842 break;
1843
1844 case SIGNATURE_TYPE_GUID:
1845 UefiDevicePathLibCatPrint (
1846 Str,
1847 L"HD(%d,%s,%g,",
1848 Hd->PartitionNumber,
1849 L"GPT",
1850 (EFI_GUID *) &(Hd->Signature[0])
1851 );
1852 break;
1853
1854 default:
1855 UefiDevicePathLibCatPrint (
1856 Str,
1857 L"HD(%d,%d,0,",
1858 Hd->PartitionNumber,
1859 Hd->SignatureType
1860 );
1861 break;
1862 }
1863
1864 UefiDevicePathLibCatPrint (Str, L"0x%lx,0x%lx)", Hd->PartitionStart, Hd->PartitionSize);
1865 }
1866
1867 /**
1868 Converts a CDROM device path structure to its string representative.
1869
1870 @param Str The string representative of input device.
1871 @param DevPath The input device path structure.
1872 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1873 of the display node is used, where applicable. If DisplayOnly
1874 is FALSE, then the longer text representation of the display node
1875 is used.
1876 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1877 representation for a device node can be used, where applicable.
1878
1879 **/
1880 VOID
1881 DevPathToTextCDROM (
1882 IN OUT POOL_PRINT *Str,
1883 IN VOID *DevPath,
1884 IN BOOLEAN DisplayOnly,
1885 IN BOOLEAN AllowShortcuts
1886 )
1887 {
1888 CDROM_DEVICE_PATH *Cd;
1889
1890 Cd = DevPath;
1891 if (DisplayOnly) {
1892 UefiDevicePathLibCatPrint (Str, L"CDROM(0x%x)", Cd->BootEntry);
1893 return ;
1894 }
1895
1896 UefiDevicePathLibCatPrint (Str, L"CDROM(0x%x,0x%lx,0x%lx)", Cd->BootEntry, Cd->PartitionStart, Cd->PartitionSize);
1897 }
1898
1899 /**
1900 Converts a File device path structure to its string representative.
1901
1902 @param Str The string representative of input device.
1903 @param DevPath The input device path structure.
1904 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1905 of the display node is used, where applicable. If DisplayOnly
1906 is FALSE, then the longer text representation of the display node
1907 is used.
1908 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1909 representation for a device node can be used, where applicable.
1910
1911 **/
1912 VOID
1913 DevPathToTextFilePath (
1914 IN OUT POOL_PRINT *Str,
1915 IN VOID *DevPath,
1916 IN BOOLEAN DisplayOnly,
1917 IN BOOLEAN AllowShortcuts
1918 )
1919 {
1920 FILEPATH_DEVICE_PATH *Fp;
1921
1922 Fp = DevPath;
1923 UefiDevicePathLibCatPrint (Str, L"%s", Fp->PathName);
1924 }
1925
1926 /**
1927 Converts a Media protocol device path structure to its string representative.
1928
1929 @param Str The string representative of input device.
1930 @param DevPath The input device path structure.
1931 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1932 of the display node is used, where applicable. If DisplayOnly
1933 is FALSE, then the longer text representation of the display node
1934 is used.
1935 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1936 representation for a device node can be used, where applicable.
1937
1938 **/
1939 VOID
1940 DevPathToTextMediaProtocol (
1941 IN OUT POOL_PRINT *Str,
1942 IN VOID *DevPath,
1943 IN BOOLEAN DisplayOnly,
1944 IN BOOLEAN AllowShortcuts
1945 )
1946 {
1947 MEDIA_PROTOCOL_DEVICE_PATH *MediaProt;
1948
1949 MediaProt = DevPath;
1950 UefiDevicePathLibCatPrint (Str, L"Media(%g)", &MediaProt->Protocol);
1951 }
1952
1953 /**
1954 Converts a Firmware Volume device path structure to its string representative.
1955
1956 @param Str The string representative of input device.
1957 @param DevPath The input device path structure.
1958 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1959 of the display node is used, where applicable. If DisplayOnly
1960 is FALSE, then the longer text representation of the display node
1961 is used.
1962 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1963 representation for a device node can be used, where applicable.
1964
1965 **/
1966 VOID
1967 DevPathToTextFv (
1968 IN OUT POOL_PRINT *Str,
1969 IN VOID *DevPath,
1970 IN BOOLEAN DisplayOnly,
1971 IN BOOLEAN AllowShortcuts
1972 )
1973 {
1974 MEDIA_FW_VOL_DEVICE_PATH *Fv;
1975
1976 Fv = DevPath;
1977 UefiDevicePathLibCatPrint (Str, L"Fv(%g)", &Fv->FvName);
1978 }
1979
1980 /**
1981 Converts a Firmware Volume File device path structure to its string representative.
1982
1983 @param Str The string representative of input device.
1984 @param DevPath The input device path structure.
1985 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
1986 of the display node is used, where applicable. If DisplayOnly
1987 is FALSE, then the longer text representation of the display node
1988 is used.
1989 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
1990 representation for a device node can be used, where applicable.
1991
1992 **/
1993 VOID
1994 DevPathToTextFvFile (
1995 IN OUT POOL_PRINT *Str,
1996 IN VOID *DevPath,
1997 IN BOOLEAN DisplayOnly,
1998 IN BOOLEAN AllowShortcuts
1999 )
2000 {
2001 MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFile;
2002
2003 FvFile = DevPath;
2004 UefiDevicePathLibCatPrint (Str, L"FvFile(%g)", &FvFile->FvFileName);
2005 }
2006
2007 /**
2008 Converts a Relative Offset device path structure to its string representative.
2009
2010 @param Str The string representative of input device.
2011 @param DevPath The input device path structure.
2012 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2013 of the display node is used, where applicable. If DisplayOnly
2014 is FALSE, then the longer text representation of the display node
2015 is used.
2016 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2017 representation for a device node can be used, where applicable.
2018
2019 **/
2020 VOID
2021 DevPathRelativeOffsetRange (
2022 IN OUT POOL_PRINT *Str,
2023 IN VOID *DevPath,
2024 IN BOOLEAN DisplayOnly,
2025 IN BOOLEAN AllowShortcuts
2026 )
2027 {
2028 MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset;
2029
2030 Offset = DevPath;
2031 UefiDevicePathLibCatPrint (
2032 Str,
2033 L"Offset(0x%lx,0x%lx)",
2034 Offset->StartingOffset,
2035 Offset->EndingOffset
2036 );
2037 }
2038
2039 /**
2040 Converts a Ram Disk device path structure to its string representative.
2041
2042 @param Str The string representative of input device.
2043 @param DevPath The input device path structure.
2044 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2045 of the display node is used, where applicable. If DisplayOnly
2046 is FALSE, then the longer text representation of the display node
2047 is used.
2048 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2049 representation for a device node can be used, where applicable.
2050
2051 **/
2052 VOID
2053 DevPathToTextRamDisk (
2054 IN OUT POOL_PRINT *Str,
2055 IN VOID *DevPath,
2056 IN BOOLEAN DisplayOnly,
2057 IN BOOLEAN AllowShortcuts
2058 )
2059 {
2060 MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
2061
2062 RamDisk = DevPath;
2063
2064 if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid)) {
2065 UefiDevicePathLibCatPrint (
2066 Str,
2067 L"VirtualDisk(0x%lx,0x%lx,%d)",
2068 LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],
2069 LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],
2070 RamDisk->Instance
2071 );
2072 } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid)) {
2073 UefiDevicePathLibCatPrint (
2074 Str,
2075 L"VirtualCD(0x%lx,0x%lx,%d)",
2076 LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],
2077 LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],
2078 RamDisk->Instance
2079 );
2080 } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid)) {
2081 UefiDevicePathLibCatPrint (
2082 Str,
2083 L"PersistentVirtualDisk(0x%lx,0x%lx,%d)",
2084 LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],
2085 LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],
2086 RamDisk->Instance
2087 );
2088 } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid)) {
2089 UefiDevicePathLibCatPrint (
2090 Str,
2091 L"PersistentVirtualCD(0x%lx,0x%lx,%d)",
2092 LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],
2093 LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],
2094 RamDisk->Instance
2095 );
2096 } else {
2097 UefiDevicePathLibCatPrint (
2098 Str,
2099 L"RamDisk(0x%lx,0x%lx,%d,%g)",
2100 LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0],
2101 LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0],
2102 RamDisk->Instance,
2103 &RamDisk->TypeGuid
2104 );
2105 }
2106 }
2107
2108 /**
2109 Converts a BIOS Boot Specification device path structure to its string representative.
2110
2111 @param Str The string representative of input device.
2112 @param DevPath The input device path structure.
2113 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2114 of the display node is used, where applicable. If DisplayOnly
2115 is FALSE, then the longer text representation of the display node
2116 is used.
2117 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2118 representation for a device node can be used, where applicable.
2119
2120 **/
2121 VOID
2122 DevPathToTextBBS (
2123 IN OUT POOL_PRINT *Str,
2124 IN VOID *DevPath,
2125 IN BOOLEAN DisplayOnly,
2126 IN BOOLEAN AllowShortcuts
2127 )
2128 {
2129 BBS_BBS_DEVICE_PATH *Bbs;
2130 CHAR16 *Type;
2131
2132 Bbs = DevPath;
2133 switch (Bbs->DeviceType) {
2134 case BBS_TYPE_FLOPPY:
2135 Type = L"Floppy";
2136 break;
2137
2138 case BBS_TYPE_HARDDRIVE:
2139 Type = L"HD";
2140 break;
2141
2142 case BBS_TYPE_CDROM:
2143 Type = L"CDROM";
2144 break;
2145
2146 case BBS_TYPE_PCMCIA:
2147 Type = L"PCMCIA";
2148 break;
2149
2150 case BBS_TYPE_USB:
2151 Type = L"USB";
2152 break;
2153
2154 case BBS_TYPE_EMBEDDED_NETWORK:
2155 Type = L"Network";
2156 break;
2157
2158 default:
2159 Type = NULL;
2160 break;
2161 }
2162
2163 if (Type != NULL) {
2164 UefiDevicePathLibCatPrint (Str, L"BBS(%s,%a", Type, Bbs->String);
2165 } else {
2166 UefiDevicePathLibCatPrint (Str, L"BBS(0x%x,%a", Bbs->DeviceType, Bbs->String);
2167 }
2168
2169 if (DisplayOnly) {
2170 UefiDevicePathLibCatPrint (Str, L")");
2171 return ;
2172 }
2173
2174 UefiDevicePathLibCatPrint (Str, L",0x%x)", Bbs->StatusFlag);
2175 }
2176
2177 /**
2178 Converts an End-of-Device-Path structure to its string representative.
2179
2180 @param Str The string representative of input device.
2181 @param DevPath The input device path structure.
2182 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2183 of the display node is used, where applicable. If DisplayOnly
2184 is FALSE, then the longer text representation of the display node
2185 is used.
2186 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2187 representation for a device node can be used, where applicable.
2188
2189 **/
2190 VOID
2191 DevPathToTextEndInstance (
2192 IN OUT POOL_PRINT *Str,
2193 IN VOID *DevPath,
2194 IN BOOLEAN DisplayOnly,
2195 IN BOOLEAN AllowShortcuts
2196 )
2197 {
2198 UefiDevicePathLibCatPrint (Str, L",");
2199 }
2200
2201 GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_GENERIC_TABLE mUefiDevicePathLibToTextTableGeneric[] = {
2202 {HARDWARE_DEVICE_PATH, L"HardwarePath" },
2203 {ACPI_DEVICE_PATH, L"AcpiPath" },
2204 {MESSAGING_DEVICE_PATH, L"Msg" },
2205 {MEDIA_DEVICE_PATH, L"MediaPath" },
2206 {BBS_DEVICE_PATH, L"BbsPath" },
2207 {0, NULL}
2208 };
2209
2210 /**
2211 Converts an unknown device path structure to its string representative.
2212
2213 @param Str The string representative of input device.
2214 @param DevPath The input device path structure.
2215 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2216 of the display node is used, where applicable. If DisplayOnly
2217 is FALSE, then the longer text representation of the display node
2218 is used.
2219 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2220 representation for a device node can be used, where applicable.
2221
2222 **/
2223 VOID
2224 DevPathToTextNodeGeneric (
2225 IN OUT POOL_PRINT *Str,
2226 IN VOID *DevPath,
2227 IN BOOLEAN DisplayOnly,
2228 IN BOOLEAN AllowShortcuts
2229 )
2230 {
2231 EFI_DEVICE_PATH_PROTOCOL *Node;
2232 UINTN Index;
2233
2234 Node = DevPath;
2235
2236 for (Index = 0; mUefiDevicePathLibToTextTableGeneric[Index].Text != NULL; Index++) {
2237 if (DevicePathType (Node) == mUefiDevicePathLibToTextTableGeneric[Index].Type) {
2238 break;
2239 }
2240 }
2241
2242 if (mUefiDevicePathLibToTextTableGeneric[Index].Text == NULL) {
2243 //
2244 // It's a node whose type cannot be recognized
2245 //
2246 UefiDevicePathLibCatPrint (Str, L"Path(%d,%d", DevicePathType (Node), DevicePathSubType (Node));
2247 } else {
2248 //
2249 // It's a node whose type can be recognized
2250 //
2251 UefiDevicePathLibCatPrint (Str, L"%s(%d", mUefiDevicePathLibToTextTableGeneric[Index].Text, DevicePathSubType (Node));
2252 }
2253
2254 Index = sizeof (EFI_DEVICE_PATH_PROTOCOL);
2255 if (Index < DevicePathNodeLength (Node)) {
2256 UefiDevicePathLibCatPrint (Str, L",");
2257 for (; Index < DevicePathNodeLength (Node); Index++) {
2258 UefiDevicePathLibCatPrint (Str, L"%02x", ((UINT8 *) Node)[Index]);
2259 }
2260 }
2261
2262 UefiDevicePathLibCatPrint (Str, L")");
2263 }
2264
2265 GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLibToTextTable[] = {
2266 {HARDWARE_DEVICE_PATH, HW_PCI_DP, DevPathToTextPci },
2267 {HARDWARE_DEVICE_PATH, HW_PCCARD_DP, DevPathToTextPccard },
2268 {HARDWARE_DEVICE_PATH, HW_MEMMAP_DP, DevPathToTextMemMap },
2269 {HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DevPathToTextVendor },
2270 {HARDWARE_DEVICE_PATH, HW_CONTROLLER_DP, DevPathToTextController },
2271 {HARDWARE_DEVICE_PATH, HW_BMC_DP, DevPathToTextBmc },
2272 {ACPI_DEVICE_PATH, ACPI_DP, DevPathToTextAcpi },
2273 {ACPI_DEVICE_PATH, ACPI_EXTENDED_DP, DevPathToTextAcpiEx },
2274 {ACPI_DEVICE_PATH, ACPI_ADR_DP, DevPathToTextAcpiAdr },
2275 {MESSAGING_DEVICE_PATH, MSG_ATAPI_DP, DevPathToTextAtapi },
2276 {MESSAGING_DEVICE_PATH, MSG_SCSI_DP, DevPathToTextScsi },
2277 {MESSAGING_DEVICE_PATH, MSG_FIBRECHANNEL_DP, DevPathToTextFibre },
2278 {MESSAGING_DEVICE_PATH, MSG_FIBRECHANNELEX_DP, DevPathToTextFibreEx },
2279 {MESSAGING_DEVICE_PATH, MSG_SASEX_DP, DevPathToTextSasEx },
2280 {MESSAGING_DEVICE_PATH, MSG_NVME_NAMESPACE_DP, DevPathToTextNVMe },
2281 {MESSAGING_DEVICE_PATH, MSG_UFS_DP, DevPathToTextUfs },
2282 {MESSAGING_DEVICE_PATH, MSG_SD_DP, DevPathToTextSd },
2283 {MESSAGING_DEVICE_PATH, MSG_EMMC_DP, DevPathToTextEmmc },
2284 {MESSAGING_DEVICE_PATH, MSG_1394_DP, DevPathToText1394 },
2285 {MESSAGING_DEVICE_PATH, MSG_USB_DP, DevPathToTextUsb },
2286 {MESSAGING_DEVICE_PATH, MSG_USB_WWID_DP, DevPathToTextUsbWWID },
2287 {MESSAGING_DEVICE_PATH, MSG_DEVICE_LOGICAL_UNIT_DP, DevPathToTextLogicalUnit },
2288 {MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP, DevPathToTextUsbClass },
2289 {MESSAGING_DEVICE_PATH, MSG_SATA_DP, DevPathToTextSata },
2290 {MESSAGING_DEVICE_PATH, MSG_I2O_DP, DevPathToTextI2O },
2291 {MESSAGING_DEVICE_PATH, MSG_MAC_ADDR_DP, DevPathToTextMacAddr },
2292 {MESSAGING_DEVICE_PATH, MSG_IPv4_DP, DevPathToTextIPv4 },
2293 {MESSAGING_DEVICE_PATH, MSG_IPv6_DP, DevPathToTextIPv6 },
2294 {MESSAGING_DEVICE_PATH, MSG_INFINIBAND_DP, DevPathToTextInfiniBand },
2295 {MESSAGING_DEVICE_PATH, MSG_UART_DP, DevPathToTextUart },
2296 {MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, DevPathToTextVendor },
2297 {MESSAGING_DEVICE_PATH, MSG_ISCSI_DP, DevPathToTextiSCSI },
2298 {MESSAGING_DEVICE_PATH, MSG_VLAN_DP, DevPathToTextVlan },
2299 {MESSAGING_DEVICE_PATH, MSG_DNS_DP, DevPathToTextDns },
2300 {MESSAGING_DEVICE_PATH, MSG_URI_DP, DevPathToTextUri },
2301 {MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_DP, DevPathToTextBluetooth },
2302 {MESSAGING_DEVICE_PATH, MSG_WIFI_DP, DevPathToTextWiFi },
2303 {MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_LE_DP, DevPathToTextBluetoothLE },
2304 {MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP, DevPathToTextHardDrive },
2305 {MEDIA_DEVICE_PATH, MEDIA_CDROM_DP, DevPathToTextCDROM },
2306 {MEDIA_DEVICE_PATH, MEDIA_VENDOR_DP, DevPathToTextVendor },
2307 {MEDIA_DEVICE_PATH, MEDIA_PROTOCOL_DP, DevPathToTextMediaProtocol },
2308 {MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP, DevPathToTextFilePath },
2309 {MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_VOL_DP, DevPathToTextFv },
2310 {MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP, DevPathToTextFvFile },
2311 {MEDIA_DEVICE_PATH, MEDIA_RELATIVE_OFFSET_RANGE_DP, DevPathRelativeOffsetRange },
2312 {MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, DevPathToTextRamDisk },
2313 {BBS_DEVICE_PATH, BBS_BBS_DP, DevPathToTextBBS },
2314 {END_DEVICE_PATH_TYPE, END_INSTANCE_DEVICE_PATH_SUBTYPE, DevPathToTextEndInstance },
2315 {0, 0, NULL}
2316 };
2317
2318 /**
2319 Converts a device node to its string representation.
2320
2321 @param DeviceNode A Pointer to the device node to be converted.
2322 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2323 of the display node is used, where applicable. If DisplayOnly
2324 is FALSE, then the longer text representation of the display node
2325 is used.
2326 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2327 representation for a device node can be used, where applicable.
2328
2329 @return A pointer to the allocated text representation of the device node or NULL if DeviceNode
2330 is NULL or there was insufficient memory.
2331
2332 **/
2333 CHAR16 *
2334 EFIAPI
2335 UefiDevicePathLibConvertDeviceNodeToText (
2336 IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode,
2337 IN BOOLEAN DisplayOnly,
2338 IN BOOLEAN AllowShortcuts
2339 )
2340 {
2341 POOL_PRINT Str;
2342 UINTN Index;
2343 DEVICE_PATH_TO_TEXT ToText;
2344
2345 if (DeviceNode == NULL) {
2346 return NULL;
2347 }
2348
2349 ZeroMem (&Str, sizeof (Str));
2350
2351 //
2352 // Process the device path node
2353 // If not found, use a generic function
2354 //
2355 ToText = DevPathToTextNodeGeneric;
2356 for (Index = 0; mUefiDevicePathLibToTextTable[Index].Function != NULL; Index++) {
2357 if (DevicePathType (DeviceNode) == mUefiDevicePathLibToTextTable[Index].Type &&
2358 DevicePathSubType (DeviceNode) == mUefiDevicePathLibToTextTable[Index].SubType
2359 ) {
2360 ToText = mUefiDevicePathLibToTextTable[Index].Function;
2361 break;
2362 }
2363 }
2364
2365 //
2366 // Print this node
2367 //
2368 ToText (&Str, (VOID *) DeviceNode, DisplayOnly, AllowShortcuts);
2369
2370 ASSERT (Str.Str != NULL);
2371 return Str.Str;
2372 }
2373
2374 /**
2375 Converts a device path to its text representation.
2376
2377 @param DevicePath A Pointer to the device to be converted.
2378 @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation
2379 of the display node is used, where applicable. If DisplayOnly
2380 is FALSE, then the longer text representation of the display node
2381 is used.
2382 @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text
2383 representation for a device node can be used, where applicable.
2384
2385 @return A pointer to the allocated text representation of the device path or
2386 NULL if DeviceNode is NULL or there was insufficient memory.
2387
2388 **/
2389 CHAR16 *
2390 EFIAPI
2391 UefiDevicePathLibConvertDevicePathToText (
2392 IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,
2393 IN BOOLEAN DisplayOnly,
2394 IN BOOLEAN AllowShortcuts
2395 )
2396 {
2397 POOL_PRINT Str;
2398 EFI_DEVICE_PATH_PROTOCOL *Node;
2399 EFI_DEVICE_PATH_PROTOCOL *AlignedNode;
2400 UINTN Index;
2401 DEVICE_PATH_TO_TEXT ToText;
2402
2403 if (DevicePath == NULL) {
2404 return NULL;
2405 }
2406
2407 ZeroMem (&Str, sizeof (Str));
2408
2409 //
2410 // Process each device path node
2411 //
2412 Node = (EFI_DEVICE_PATH_PROTOCOL *) DevicePath;
2413 while (!IsDevicePathEnd (Node)) {
2414 //
2415 // Find the handler to dump this device path node
2416 // If not found, use a generic function
2417 //
2418 ToText = DevPathToTextNodeGeneric;
2419 for (Index = 0; mUefiDevicePathLibToTextTable[Index].Function != NULL; Index += 1) {
2420
2421 if (DevicePathType (Node) == mUefiDevicePathLibToTextTable[Index].Type &&
2422 DevicePathSubType (Node) == mUefiDevicePathLibToTextTable[Index].SubType
2423 ) {
2424 ToText = mUefiDevicePathLibToTextTable[Index].Function;
2425 break;
2426 }
2427 }
2428 //
2429 // Put a path separator in if needed
2430 //
2431 if ((Str.Count != 0) && (ToText != DevPathToTextEndInstance)) {
2432 if (Str.Str[Str.Count] != L',') {
2433 UefiDevicePathLibCatPrint (&Str, L"/");
2434 }
2435 }
2436
2437 AlignedNode = AllocateCopyPool (DevicePathNodeLength (Node), Node);
2438 //
2439 // Print this node of the device path
2440 //
2441 ToText (&Str, AlignedNode, DisplayOnly, AllowShortcuts);
2442 FreePool (AlignedNode);
2443
2444 //
2445 // Next device path node
2446 //
2447 Node = NextDevicePathNode (Node);
2448 }
2449
2450 if (Str.Str == NULL) {
2451 return AllocateZeroPool (sizeof (CHAR16));
2452 } else {
2453 return Str.Str;
2454 }
2455 }
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