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source: vbox/trunk/src/VBox/Devices/EFI/Firmware/MdePkg/Include/Protocol/DevicePath.h@ 105681

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1/** @file
2 The device path protocol as defined in UEFI 2.0.
3
4 The device path represents a programmatic path to a device,
5 from a software point of view. The path must persist from boot to boot, so
6 it can not contain things like PCI bus numbers that change from boot to boot.
7
8Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
9SPDX-License-Identifier: BSD-2-Clause-Patent
10
11**/
12
13#ifndef __EFI_DEVICE_PATH_PROTOCOL_H__
14#define __EFI_DEVICE_PATH_PROTOCOL_H__
15
16#include <Guid/PcAnsi.h>
17#include <IndustryStandard/Bluetooth.h>
18#include <IndustryStandard/Acpi60.h>
19
20///
21/// Device Path protocol.
22///
23#define EFI_DEVICE_PATH_PROTOCOL_GUID \
24 { \
25 0x9576e91, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
26 }
27
28///
29/// Device Path guid definition for backward-compatible with EFI1.1.
30///
31#define DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH_PROTOCOL_GUID
32
33#pragma pack(1)
34
35/**
36 This protocol can be used on any device handle to obtain generic path/location
37 information concerning the physical device or logical device. If the handle does
38 not logically map to a physical device, the handle may not necessarily support
39 the device path protocol. The device path describes the location of the device
40 the handle is for. The size of the Device Path can be determined from the structures
41 that make up the Device Path.
42**/
43typedef struct {
44 UINT8 Type; ///< 0x01 Hardware Device Path.
45 ///< 0x02 ACPI Device Path.
46 ///< 0x03 Messaging Device Path.
47 ///< 0x04 Media Device Path.
48 ///< 0x05 BIOS Boot Specification Device Path.
49 ///< 0x7F End of Hardware Device Path.
50
51 UINT8 SubType; ///< Varies by Type
52 ///< 0xFF End Entire Device Path, or
53 ///< 0x01 End This Instance of a Device Path and start a new
54 ///< Device Path.
55
56 UINT8 Length[2]; ///< Specific Device Path data. Type and Sub-Type define
57 ///< type of data. Size of data is included in Length.
58} EFI_DEVICE_PATH_PROTOCOL;
59
60///
61/// Device Path protocol definition for backward-compatible with EFI1.1.
62///
63typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;
64
65///
66/// Hardware Device Paths.
67///
68#define HARDWARE_DEVICE_PATH 0x01
69
70///
71/// PCI Device Path SubType.
72///
73#define HW_PCI_DP 0x01
74
75///
76/// PCI Device Path.
77///
78typedef struct {
79 EFI_DEVICE_PATH_PROTOCOL Header;
80 ///
81 /// PCI Function Number.
82 ///
83 UINT8 Function;
84 ///
85 /// PCI Device Number.
86 ///
87 UINT8 Device;
88} PCI_DEVICE_PATH;
89
90///
91/// PCCARD Device Path SubType.
92///
93#define HW_PCCARD_DP 0x02
94
95///
96/// PCCARD Device Path.
97///
98typedef struct {
99 EFI_DEVICE_PATH_PROTOCOL Header;
100 ///
101 /// Function Number (0 = First Function).
102 ///
103 UINT8 FunctionNumber;
104} PCCARD_DEVICE_PATH;
105
106///
107/// Memory Mapped Device Path SubType.
108///
109#define HW_MEMMAP_DP 0x03
110
111///
112/// Memory Mapped Device Path.
113///
114typedef struct {
115 EFI_DEVICE_PATH_PROTOCOL Header;
116 ///
117 /// EFI_MEMORY_TYPE
118 ///
119 UINT32 MemoryType;
120 ///
121 /// Starting Memory Address.
122 ///
123 EFI_PHYSICAL_ADDRESS StartingAddress;
124 ///
125 /// Ending Memory Address.
126 ///
127 EFI_PHYSICAL_ADDRESS EndingAddress;
128} MEMMAP_DEVICE_PATH;
129
130///
131/// Hardware Vendor Device Path SubType.
132///
133#define HW_VENDOR_DP 0x04
134
135///
136/// The Vendor Device Path allows the creation of vendor-defined Device Paths. A vendor must
137/// allocate a Vendor GUID for a Device Path. The Vendor GUID can then be used to define the
138/// contents on the n bytes that follow in the Vendor Device Path node.
139///
140typedef struct {
141 EFI_DEVICE_PATH_PROTOCOL Header;
142 ///
143 /// Vendor-assigned GUID that defines the data that follows.
144 ///
145 EFI_GUID Guid;
146 ///
147 /// Vendor-defined variable size data.
148 ///
149} VENDOR_DEVICE_PATH;
150
151///
152/// Controller Device Path SubType.
153///
154#define HW_CONTROLLER_DP 0x05
155
156///
157/// Controller Device Path.
158///
159typedef struct {
160 EFI_DEVICE_PATH_PROTOCOL Header;
161 ///
162 /// Controller number.
163 ///
164 UINT32 ControllerNumber;
165} CONTROLLER_DEVICE_PATH;
166
167///
168/// BMC Device Path SubType.
169///
170#define HW_BMC_DP 0x06
171
172///
173/// BMC Device Path.
174///
175typedef struct {
176 EFI_DEVICE_PATH_PROTOCOL Header;
177 ///
178 /// Interface Type.
179 ///
180 UINT8 InterfaceType;
181 ///
182 /// Base Address.
183 ///
184 UINT8 BaseAddress[8];
185} BMC_DEVICE_PATH;
186
187///
188/// ACPI Device Paths.
189///
190#define ACPI_DEVICE_PATH 0x02
191
192///
193/// ACPI Device Path SubType.
194///
195#define ACPI_DP 0x01
196typedef struct {
197 EFI_DEVICE_PATH_PROTOCOL Header;
198 ///
199 /// Device's PnP hardware ID stored in a numeric 32-bit
200 /// compressed EISA-type ID. This value must match the
201 /// corresponding _HID in the ACPI name space.
202 ///
203 UINT32 HID;
204 ///
205 /// Unique ID that is required by ACPI if two devices have the
206 /// same _HID. This value must also match the corresponding
207 /// _UID/_HID pair in the ACPI name space. Only the 32-bit
208 /// numeric value type of _UID is supported. Thus, strings must
209 /// not be used for the _UID in the ACPI name space.
210 ///
211 UINT32 UID;
212} ACPI_HID_DEVICE_PATH;
213
214///
215/// Expanded ACPI Device Path SubType.
216///
217#define ACPI_EXTENDED_DP 0x02
218typedef struct {
219 EFI_DEVICE_PATH_PROTOCOL Header;
220 ///
221 /// Device's PnP hardware ID stored in a numeric 32-bit
222 /// compressed EISA-type ID. This value must match the
223 /// corresponding _HID in the ACPI name space.
224 ///
225 UINT32 HID;
226 ///
227 /// Unique ID that is required by ACPI if two devices have the
228 /// same _HID. This value must also match the corresponding
229 /// _UID/_HID pair in the ACPI name space.
230 ///
231 UINT32 UID;
232 ///
233 /// Device's compatible PnP hardware ID stored in a numeric
234 /// 32-bit compressed EISA-type ID. This value must match at
235 /// least one of the compatible device IDs returned by the
236 /// corresponding _CID in the ACPI name space.
237 ///
238 UINT32 CID;
239 ///
240 /// Optional variable length _HIDSTR.
241 /// Optional variable length _UIDSTR.
242 /// Optional variable length _CIDSTR.
243 ///
244} ACPI_EXTENDED_HID_DEVICE_PATH;
245
246//
247// EISA ID Macro
248// EISA ID Definition 32-bits
249// bits[15:0] - three character compressed ASCII EISA ID.
250// bits[31:16] - binary number
251// Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z'
252//
253#define PNP_EISA_ID_CONST 0x41d0
254#define EISA_ID(_Name, _Num) ((UINT32)((_Name) | (_Num) << 16))
255#define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
256#define EFI_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
257
258#define PNP_EISA_ID_MASK 0xffff
259#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
260
261///
262/// ACPI _ADR Device Path SubType.
263///
264#define ACPI_ADR_DP 0x03
265
266///
267/// The _ADR device path is used to contain video output device attributes to support the Graphics
268/// Output Protocol. The device path can contain multiple _ADR entries if multiple video output
269/// devices are displaying the same output.
270///
271typedef struct {
272 EFI_DEVICE_PATH_PROTOCOL Header;
273 ///
274 /// _ADR value. For video output devices the value of this
275 /// field comes from Table B-2 of the ACPI 3.0 specification. At
276 /// least one _ADR value is required.
277 ///
278 UINT32 ADR;
279 //
280 // This device path may optionally contain more than one _ADR entry.
281 //
282} ACPI_ADR_DEVICE_PATH;
283
284///
285/// ACPI NVDIMM Device Path SubType.
286///
287#define ACPI_NVDIMM_DP 0x04
288///
289///
290typedef struct {
291 EFI_DEVICE_PATH_PROTOCOL Header;
292 ///
293 /// NFIT Device Handle, the _ADR of the NVDIMM device.
294 /// The value of this field comes from Section 9.20.3 of the ACPI 6.2A specification.
295 ///
296 UINT32 NFITDeviceHandle;
297} ACPI_NVDIMM_DEVICE_PATH;
298
299#define ACPI_ADR_DISPLAY_TYPE_OTHER 0
300#define ACPI_ADR_DISPLAY_TYPE_VGA 1
301#define ACPI_ADR_DISPLAY_TYPE_TV 2
302#define ACPI_ADR_DISPLAY_TYPE_EXTERNAL_DIGITAL 3
303#define ACPI_ADR_DISPLAY_TYPE_INTERNAL_DIGITAL 4
304
305#define ACPI_DISPLAY_ADR(_DeviceIdScheme, _HeadId, _NonVgaOutput, _BiosCanDetect, _VendorInfo, _Type, _Port, _Index) \
306 ((UINT32)( ((UINT32)((_DeviceIdScheme) & 0x1) << 31) | \
307 (((_HeadId) & 0x7) << 18) | \
308 (((_NonVgaOutput) & 0x1) << 17) | \
309 (((_BiosCanDetect) & 0x1) << 16) | \
310 (((_VendorInfo) & 0xf) << 12) | \
311 (((_Type) & 0xf) << 8) | \
312 (((_Port) & 0xf) << 4) | \
313 ((_Index) & 0xf) ))
314
315///
316/// Messaging Device Paths.
317/// This Device Path is used to describe the connection of devices outside the resource domain of the
318/// system. This Device Path can describe physical messaging information like SCSI ID, or abstract
319/// information like networking protocol IP addresses.
320///
321#define MESSAGING_DEVICE_PATH 0x03
322
323///
324/// ATAPI Device Path SubType
325///
326#define MSG_ATAPI_DP 0x01
327typedef struct {
328 EFI_DEVICE_PATH_PROTOCOL Header;
329 ///
330 /// Set to zero for primary, or one for secondary.
331 ///
332 UINT8 PrimarySecondary;
333 ///
334 /// Set to zero for master, or one for slave mode.
335 ///
336 UINT8 SlaveMaster;
337 ///
338 /// Logical Unit Number.
339 ///
340 UINT16 Lun;
341} ATAPI_DEVICE_PATH;
342
343///
344/// SCSI Device Path SubType.
345///
346#define MSG_SCSI_DP 0x02
347typedef struct {
348 EFI_DEVICE_PATH_PROTOCOL Header;
349 ///
350 /// Target ID on the SCSI bus (PUN).
351 ///
352 UINT16 Pun;
353 ///
354 /// Logical Unit Number (LUN).
355 ///
356 UINT16 Lun;
357} SCSI_DEVICE_PATH;
358
359///
360/// Fibre Channel SubType.
361///
362#define MSG_FIBRECHANNEL_DP 0x03
363typedef struct {
364 EFI_DEVICE_PATH_PROTOCOL Header;
365 ///
366 /// Reserved for the future.
367 ///
368 UINT32 Reserved;
369 ///
370 /// Fibre Channel World Wide Number.
371 ///
372 UINT64 WWN;
373 ///
374 /// Fibre Channel Logical Unit Number.
375 ///
376 UINT64 Lun;
377} FIBRECHANNEL_DEVICE_PATH;
378
379///
380/// Fibre Channel Ex SubType.
381///
382#define MSG_FIBRECHANNELEX_DP 0x15
383typedef struct {
384 EFI_DEVICE_PATH_PROTOCOL Header;
385 ///
386 /// Reserved for the future.
387 ///
388 UINT32 Reserved;
389 ///
390 /// 8 byte array containing Fibre Channel End Device Port Name.
391 ///
392 UINT8 WWN[8];
393 ///
394 /// 8 byte array containing Fibre Channel Logical Unit Number.
395 ///
396 UINT8 Lun[8];
397} FIBRECHANNELEX_DEVICE_PATH;
398
399///
400/// 1394 Device Path SubType
401///
402#define MSG_1394_DP 0x04
403typedef struct {
404 EFI_DEVICE_PATH_PROTOCOL Header;
405 ///
406 /// Reserved for the future.
407 ///
408 UINT32 Reserved;
409 ///
410 /// 1394 Global Unique ID (GUID).
411 ///
412 UINT64 Guid;
413} F1394_DEVICE_PATH;
414
415///
416/// USB Device Path SubType.
417///
418#define MSG_USB_DP 0x05
419typedef struct {
420 EFI_DEVICE_PATH_PROTOCOL Header;
421 ///
422 /// USB Parent Port Number.
423 ///
424 UINT8 ParentPortNumber;
425 ///
426 /// USB Interface Number.
427 ///
428 UINT8 InterfaceNumber;
429} USB_DEVICE_PATH;
430
431///
432/// USB Class Device Path SubType.
433///
434#define MSG_USB_CLASS_DP 0x0f
435typedef struct {
436 EFI_DEVICE_PATH_PROTOCOL Header;
437 ///
438 /// Vendor ID assigned by USB-IF. A value of 0xFFFF will
439 /// match any Vendor ID.
440 ///
441 UINT16 VendorId;
442 ///
443 /// Product ID assigned by USB-IF. A value of 0xFFFF will
444 /// match any Product ID.
445 ///
446 UINT16 ProductId;
447 ///
448 /// The class code assigned by the USB-IF. A value of 0xFF
449 /// will match any class code.
450 ///
451 UINT8 DeviceClass;
452 ///
453 /// The subclass code assigned by the USB-IF. A value of
454 /// 0xFF will match any subclass code.
455 ///
456 UINT8 DeviceSubClass;
457 ///
458 /// The protocol code assigned by the USB-IF. A value of
459 /// 0xFF will match any protocol code.
460 ///
461 UINT8 DeviceProtocol;
462} USB_CLASS_DEVICE_PATH;
463
464///
465/// USB WWID Device Path SubType.
466///
467#define MSG_USB_WWID_DP 0x10
468
469///
470/// This device path describes a USB device using its serial number.
471///
472typedef struct {
473 EFI_DEVICE_PATH_PROTOCOL Header;
474 ///
475 /// USB interface number.
476 ///
477 UINT16 InterfaceNumber;
478 ///
479 /// USB vendor id of the device.
480 ///
481 UINT16 VendorId;
482 ///
483 /// USB product id of the device.
484 ///
485 UINT16 ProductId;
486 ///
487 /// Last 64-or-fewer UTF-16 characters of the USB
488 /// serial number. The length of the string is
489 /// determined by the Length field less the offset of the
490 /// Serial Number field (10)
491 ///
492 /// CHAR16 SerialNumber[...];
493} USB_WWID_DEVICE_PATH;
494
495///
496/// Device Logical Unit SubType.
497///
498#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
499typedef struct {
500 EFI_DEVICE_PATH_PROTOCOL Header;
501 ///
502 /// Logical Unit Number for the interface.
503 ///
504 UINT8 Lun;
505} DEVICE_LOGICAL_UNIT_DEVICE_PATH;
506
507///
508/// SATA Device Path SubType.
509///
510#define MSG_SATA_DP 0x12
511typedef struct {
512 EFI_DEVICE_PATH_PROTOCOL Header;
513 ///
514 /// The HBA port number that facilitates the connection to the
515 /// device or a port multiplier. The value 0xFFFF is reserved.
516 ///
517 UINT16 HBAPortNumber;
518 ///
519 /// The Port multiplier port number that facilitates the connection
520 /// to the device. Must be set to 0xFFFF if the device is directly
521 /// connected to the HBA.
522 ///
523 UINT16 PortMultiplierPortNumber;
524 ///
525 /// Logical Unit Number.
526 ///
527 UINT16 Lun;
528} SATA_DEVICE_PATH;
529
530///
531/// Flag for if the device is directly connected to the HBA.
532///
533#define SATA_HBA_DIRECT_CONNECT_FLAG 0x8000
534
535///
536/// I2O Device Path SubType.
537///
538#define MSG_I2O_DP 0x06
539typedef struct {
540 EFI_DEVICE_PATH_PROTOCOL Header;
541 ///
542 /// Target ID (TID) for a device.
543 ///
544 UINT32 Tid;
545} I2O_DEVICE_PATH;
546
547///
548/// MAC Address Device Path SubType.
549///
550#define MSG_MAC_ADDR_DP 0x0b
551typedef struct {
552 EFI_DEVICE_PATH_PROTOCOL Header;
553 ///
554 /// The MAC address for a network interface padded with 0s.
555 ///
556 EFI_MAC_ADDRESS MacAddress;
557 ///
558 /// Network interface type(i.e. 802.3, FDDI).
559 ///
560 UINT8 IfType;
561} MAC_ADDR_DEVICE_PATH;
562
563///
564/// IPv4 Device Path SubType
565///
566#define MSG_IPv4_DP 0x0c
567typedef struct {
568 EFI_DEVICE_PATH_PROTOCOL Header;
569 ///
570 /// The local IPv4 address.
571 ///
572 EFI_IPv4_ADDRESS LocalIpAddress;
573 ///
574 /// The remote IPv4 address.
575 ///
576 EFI_IPv4_ADDRESS RemoteIpAddress;
577 ///
578 /// The local port number.
579 ///
580 UINT16 LocalPort;
581 ///
582 /// The remote port number.
583 ///
584 UINT16 RemotePort;
585 ///
586 /// The network protocol(i.e. UDP, TCP).
587 ///
588 UINT16 Protocol;
589 ///
590 /// 0x00 - The Source IP Address was assigned though DHCP.
591 /// 0x01 - The Source IP Address is statically bound.
592 ///
593 BOOLEAN StaticIpAddress;
594 ///
595 /// The gateway IP address
596 ///
597 EFI_IPv4_ADDRESS GatewayIpAddress;
598 ///
599 /// The subnet mask
600 ///
601 EFI_IPv4_ADDRESS SubnetMask;
602} IPv4_DEVICE_PATH;
603
604///
605/// IPv6 Device Path SubType.
606///
607#define MSG_IPv6_DP 0x0d
608typedef struct {
609 EFI_DEVICE_PATH_PROTOCOL Header;
610 ///
611 /// The local IPv6 address.
612 ///
613 EFI_IPv6_ADDRESS LocalIpAddress;
614 ///
615 /// The remote IPv6 address.
616 ///
617 EFI_IPv6_ADDRESS RemoteIpAddress;
618 ///
619 /// The local port number.
620 ///
621 UINT16 LocalPort;
622 ///
623 /// The remote port number.
624 ///
625 UINT16 RemotePort;
626 ///
627 /// The network protocol(i.e. UDP, TCP).
628 ///
629 UINT16 Protocol;
630 ///
631 /// 0x00 - The Local IP Address was manually configured.
632 /// 0x01 - The Local IP Address is assigned through IPv6
633 /// stateless auto-configuration.
634 /// 0x02 - The Local IP Address is assigned through IPv6
635 /// stateful configuration.
636 ///
637 UINT8 IpAddressOrigin;
638 ///
639 /// The prefix length
640 ///
641 UINT8 PrefixLength;
642 ///
643 /// The gateway IP address
644 ///
645 EFI_IPv6_ADDRESS GatewayIpAddress;
646} IPv6_DEVICE_PATH;
647
648///
649/// InfiniBand Device Path SubType.
650///
651#define MSG_INFINIBAND_DP 0x09
652typedef struct {
653 EFI_DEVICE_PATH_PROTOCOL Header;
654 ///
655 /// Flags to help identify/manage InfiniBand device path elements:
656 /// Bit 0 - IOC/Service (0b = IOC, 1b = Service).
657 /// Bit 1 - Extend Boot Environment.
658 /// Bit 2 - Console Protocol.
659 /// Bit 3 - Storage Protocol.
660 /// Bit 4 - Network Protocol.
661 /// All other bits are reserved.
662 ///
663 UINT32 ResourceFlags;
664 ///
665 /// 128-bit Global Identifier for remote fabric port.
666 ///
667 UINT8 PortGid[16];
668 ///
669 /// 64-bit unique identifier to remote IOC or server process.
670 /// Interpretation of field specified by Resource Flags (bit 0).
671 ///
672 UINT64 ServiceId;
673 ///
674 /// 64-bit persistent ID of remote IOC port.
675 ///
676 UINT64 TargetPortId;
677 ///
678 /// 64-bit persistent ID of remote device.
679 ///
680 UINT64 DeviceId;
681} INFINIBAND_DEVICE_PATH;
682
683#define INFINIBAND_RESOURCE_FLAG_IOC_SERVICE 0x01
684#define INFINIBAND_RESOURCE_FLAG_EXTENDED_BOOT_ENVIRONMENT 0x02
685#define INFINIBAND_RESOURCE_FLAG_CONSOLE_PROTOCOL 0x04
686#define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08
687#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
688
689///
690/// UART Device Path SubType.
691///
692#define MSG_UART_DP 0x0e
693typedef struct {
694 EFI_DEVICE_PATH_PROTOCOL Header;
695 ///
696 /// Reserved.
697 ///
698 UINT32 Reserved;
699 ///
700 /// The baud rate setting for the UART style device. A value of 0
701 /// means that the device's default baud rate will be used.
702 ///
703 UINT64 BaudRate;
704 ///
705 /// The number of data bits for the UART style device. A value
706 /// of 0 means that the device's default number of data bits will be used.
707 ///
708 UINT8 DataBits;
709 ///
710 /// The parity setting for the UART style device.
711 /// Parity 0x00 - Default Parity.
712 /// Parity 0x01 - No Parity.
713 /// Parity 0x02 - Even Parity.
714 /// Parity 0x03 - Odd Parity.
715 /// Parity 0x04 - Mark Parity.
716 /// Parity 0x05 - Space Parity.
717 ///
718 UINT8 Parity;
719 ///
720 /// The number of stop bits for the UART style device.
721 /// Stop Bits 0x00 - Default Stop Bits.
722 /// Stop Bits 0x01 - 1 Stop Bit.
723 /// Stop Bits 0x02 - 1.5 Stop Bits.
724 /// Stop Bits 0x03 - 2 Stop Bits.
725 ///
726 UINT8 StopBits;
727} UART_DEVICE_PATH;
728
729///
730/// NVDIMM Namespace Device Path SubType.
731///
732#define NVDIMM_NAMESPACE_DP 0x20
733typedef struct {
734 EFI_DEVICE_PATH_PROTOCOL Header;
735 ///
736 /// Namespace unique label identifier UUID.
737 ///
738 EFI_GUID Uuid;
739} NVDIMM_NAMESPACE_DEVICE_PATH;
740
741//
742// Use VENDOR_DEVICE_PATH struct
743//
744#define MSG_VENDOR_DP 0x0a
745typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH;
746
747#define DEVICE_PATH_MESSAGING_PC_ANSI EFI_PC_ANSI_GUID
748#define DEVICE_PATH_MESSAGING_VT_100 EFI_VT_100_GUID
749#define DEVICE_PATH_MESSAGING_VT_100_PLUS EFI_VT_100_PLUS_GUID
750#define DEVICE_PATH_MESSAGING_VT_UTF8 EFI_VT_UTF8_GUID
751
752///
753/// A new device path node is defined to declare flow control characteristics.
754/// UART Flow Control Messaging Device Path
755///
756typedef struct {
757 EFI_DEVICE_PATH_PROTOCOL Header;
758 ///
759 /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID.
760 ///
761 EFI_GUID Guid;
762 ///
763 /// Bitmap of supported flow control types.
764 /// Bit 0 set indicates hardware flow control.
765 /// Bit 1 set indicates Xon/Xoff flow control.
766 /// All other bits are reserved and are clear.
767 ///
768 UINT32 FlowControlMap;
769} UART_FLOW_CONTROL_DEVICE_PATH;
770
771#define UART_FLOW_CONTROL_HARDWARE 0x00000001
772#define UART_FLOW_CONTROL_XON_XOFF 0x00000010
773
774#define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID
775///
776/// Serial Attached SCSI (SAS) Device Path.
777///
778typedef struct {
779 EFI_DEVICE_PATH_PROTOCOL Header;
780 ///
781 /// DEVICE_PATH_MESSAGING_SAS GUID.
782 ///
783 EFI_GUID Guid;
784 ///
785 /// Reserved for future use.
786 ///
787 UINT32 Reserved;
788 ///
789 /// SAS Address for Serial Attached SCSI Target.
790 ///
791 UINT64 SasAddress;
792 ///
793 /// SAS Logical Unit Number.
794 ///
795 UINT64 Lun;
796 ///
797 /// More Information about the device and its interconnect.
798 ///
799 UINT16 DeviceTopology;
800 ///
801 /// Relative Target Port (RTP).
802 ///
803 UINT16 RelativeTargetPort;
804} SAS_DEVICE_PATH;
805
806///
807/// Serial Attached SCSI (SAS) Ex Device Path SubType
808///
809#define MSG_SASEX_DP 0x16
810typedef struct {
811 EFI_DEVICE_PATH_PROTOCOL Header;
812 ///
813 /// 8-byte array of the SAS Address for Serial Attached SCSI Target Port.
814 ///
815 UINT8 SasAddress[8];
816 ///
817 /// 8-byte array of the SAS Logical Unit Number.
818 ///
819 UINT8 Lun[8];
820 ///
821 /// More Information about the device and its interconnect.
822 ///
823 UINT16 DeviceTopology;
824 ///
825 /// Relative Target Port (RTP).
826 ///
827 UINT16 RelativeTargetPort;
828} SASEX_DEVICE_PATH;
829
830///
831/// NvmExpress Namespace Device Path SubType.
832///
833#define MSG_NVME_NAMESPACE_DP 0x17
834typedef struct {
835 EFI_DEVICE_PATH_PROTOCOL Header;
836 UINT32 NamespaceId;
837 UINT64 NamespaceUuid;
838} NVME_NAMESPACE_DEVICE_PATH;
839
840///
841/// NVMe over Fabric (NVMe-oF) Namespace Device Path SubType.
842///
843#define MSG_NVME_OF_NAMESPACE_DP 0x22
844typedef struct {
845 EFI_DEVICE_PATH_PROTOCOL Header;
846 ///
847 /// Namespace Identifier Type (NIDT)
848 ///
849 UINT8 NamespaceIdType;
850 ///
851 /// Namespace Identifier (NID)
852 ///
853 UINT8 NamespaceId[16];
854 ///
855 /// Unique identifier of an NVM subsystem
856 ///
857 CHAR8 SubsystemNqn[];
858} NVME_OF_NAMESPACE_DEVICE_PATH;
859
860///
861/// DNS Device Path SubType
862///
863#define MSG_DNS_DP 0x1F
864typedef struct {
865 EFI_DEVICE_PATH_PROTOCOL Header;
866 ///
867 /// Indicates the DNS server address is IPv4 or IPv6 address.
868 ///
869 UINT8 IsIPv6;
870 ///
871 /// Instance of the DNS server address.
872 ///
873 EFI_IP_ADDRESS DnsServerIp[];
874} DNS_DEVICE_PATH;
875
876///
877/// Uniform Resource Identifiers (URI) Device Path SubType
878///
879#define MSG_URI_DP 0x18
880typedef struct {
881 EFI_DEVICE_PATH_PROTOCOL Header;
882 ///
883 /// Instance of the URI pursuant to RFC 3986.
884 ///
885 CHAR8 Uri[];
886} URI_DEVICE_PATH;
887
888///
889/// Universal Flash Storage (UFS) Device Path SubType.
890///
891#define MSG_UFS_DP 0x19
892typedef struct {
893 EFI_DEVICE_PATH_PROTOCOL Header;
894 ///
895 /// Target ID on the UFS bus (PUN).
896 ///
897 UINT8 Pun;
898 ///
899 /// Logical Unit Number (LUN).
900 ///
901 UINT8 Lun;
902} UFS_DEVICE_PATH;
903
904///
905/// SD (Secure Digital) Device Path SubType.
906///
907#define MSG_SD_DP 0x1A
908typedef struct {
909 EFI_DEVICE_PATH_PROTOCOL Header;
910 UINT8 SlotNumber;
911} SD_DEVICE_PATH;
912
913///
914/// EMMC (Embedded MMC) Device Path SubType.
915///
916#define MSG_EMMC_DP 0x1D
917typedef struct {
918 EFI_DEVICE_PATH_PROTOCOL Header;
919 UINT8 SlotNumber;
920} EMMC_DEVICE_PATH;
921
922///
923/// iSCSI Device Path SubType
924///
925#define MSG_ISCSI_DP 0x13
926typedef struct {
927 EFI_DEVICE_PATH_PROTOCOL Header;
928 ///
929 /// Network Protocol (0 = TCP, 1+ = reserved).
930 ///
931 UINT16 NetworkProtocol;
932 ///
933 /// iSCSI Login Options.
934 ///
935 UINT16 LoginOption;
936 ///
937 /// iSCSI Logical Unit Number.
938 ///
939 UINT64 Lun;
940 ///
941 /// iSCSI Target Portal group tag the initiator intends
942 /// to establish a session with.
943 ///
944 UINT16 TargetPortalGroupTag;
945 ///
946 /// iSCSI NodeTarget Name. The length of the name
947 /// is determined by subtracting the offset of this field from Length.
948 ///
949 /// CHAR8 iSCSI Target Name.
950} ISCSI_DEVICE_PATH;
951
952#define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000
953#define ISCSI_LOGIN_OPTION_HEADER_DIGEST_USING_CRC32C 0x0002
954#define ISCSI_LOGIN_OPTION_NO_DATA_DIGEST 0x0000
955#define ISCSI_LOGIN_OPTION_DATA_DIGEST_USING_CRC32C 0x0008
956#define ISCSI_LOGIN_OPTION_AUTHMETHOD_CHAP 0x0000
957#define ISCSI_LOGIN_OPTION_AUTHMETHOD_NON 0x1000
958#define ISCSI_LOGIN_OPTION_CHAP_BI 0x0000
959#define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000
960
961///
962/// VLAN Device Path SubType.
963///
964#define MSG_VLAN_DP 0x14
965typedef struct {
966 EFI_DEVICE_PATH_PROTOCOL Header;
967 ///
968 /// VLAN identifier (0-4094).
969 ///
970 UINT16 VlanId;
971} VLAN_DEVICE_PATH;
972
973///
974/// Bluetooth Device Path SubType.
975///
976#define MSG_BLUETOOTH_DP 0x1b
977typedef struct {
978 EFI_DEVICE_PATH_PROTOCOL Header;
979 ///
980 /// 48bit Bluetooth device address.
981 ///
982 BLUETOOTH_ADDRESS BD_ADDR;
983} BLUETOOTH_DEVICE_PATH;
984
985///
986/// Wi-Fi Device Path SubType.
987///
988#define MSG_WIFI_DP 0x1C
989typedef struct {
990 EFI_DEVICE_PATH_PROTOCOL Header;
991 ///
992 /// Service set identifier. A 32-byte octets string.
993 ///
994 UINT8 SSId[32];
995} WIFI_DEVICE_PATH;
996
997///
998/// Bluetooth LE Device Path SubType.
999///
1000#define MSG_BLUETOOTH_LE_DP 0x1E
1001typedef struct {
1002 EFI_DEVICE_PATH_PROTOCOL Header;
1003 BLUETOOTH_LE_ADDRESS Address;
1004} BLUETOOTH_LE_DEVICE_PATH;
1005
1006//
1007// Media Device Path
1008//
1009#define MEDIA_DEVICE_PATH 0x04
1010
1011///
1012/// Hard Drive Media Device Path SubType.
1013///
1014#define MEDIA_HARDDRIVE_DP 0x01
1015
1016///
1017/// The Hard Drive Media Device Path is used to represent a partition on a hard drive.
1018///
1019typedef struct {
1020 EFI_DEVICE_PATH_PROTOCOL Header;
1021 ///
1022 /// Describes the entry in a partition table, starting with entry 1.
1023 /// Partition number zero represents the entire device. Valid
1024 /// partition numbers for a MBR partition are [1, 4]. Valid
1025 /// partition numbers for a GPT partition are [1, NumberOfPartitionEntries].
1026 ///
1027 UINT32 PartitionNumber;
1028 ///
1029 /// Starting LBA of the partition on the hard drive.
1030 ///
1031 UINT64 PartitionStart;
1032 ///
1033 /// Size of the partition in units of Logical Blocks.
1034 ///
1035 UINT64 PartitionSize;
1036 ///
1037 /// Signature unique to this partition:
1038 /// If SignatureType is 0, this field has to be initialized with 16 zeros.
1039 /// If SignatureType is 1, the MBR signature is stored in the first 4 bytes of this field.
1040 /// The other 12 bytes are initialized with zeros.
1041 /// If SignatureType is 2, this field contains a 16 byte signature.
1042 ///
1043 UINT8 Signature[16];
1044 ///
1045 /// Partition Format: (Unused values reserved).
1046 /// 0x01 - PC-AT compatible legacy MBR.
1047 /// 0x02 - GUID Partition Table.
1048 ///
1049 UINT8 MBRType;
1050 ///
1051 /// Type of Disk Signature: (Unused values reserved).
1052 /// 0x00 - No Disk Signature.
1053 /// 0x01 - 32-bit signature from address 0x1b8 of the type 0x01 MBR.
1054 /// 0x02 - GUID signature.
1055 ///
1056 UINT8 SignatureType;
1057} HARDDRIVE_DEVICE_PATH;
1058
1059#define MBR_TYPE_PCAT 0x01
1060#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
1061
1062#define NO_DISK_SIGNATURE 0x00
1063#define SIGNATURE_TYPE_MBR 0x01
1064#define SIGNATURE_TYPE_GUID 0x02
1065
1066///
1067/// CD-ROM Media Device Path SubType.
1068///
1069#define MEDIA_CDROM_DP 0x02
1070
1071///
1072/// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.
1073///
1074typedef struct {
1075 EFI_DEVICE_PATH_PROTOCOL Header;
1076 ///
1077 /// Boot Entry number from the Boot Catalog. The Initial/Default entry is defined as zero.
1078 ///
1079 UINT32 BootEntry;
1080 ///
1081 /// Starting RBA of the partition on the medium. CD-ROMs use Relative logical Block Addressing.
1082 ///
1083 UINT64 PartitionStart;
1084 ///
1085 /// Size of the partition in units of Blocks, also called Sectors.
1086 ///
1087 UINT64 PartitionSize;
1088} CDROM_DEVICE_PATH;
1089
1090//
1091// Use VENDOR_DEVICE_PATH struct
1092//
1093#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype.
1094
1095///
1096/// File Path Media Device Path SubType
1097///
1098#define MEDIA_FILEPATH_DP 0x04
1099typedef struct {
1100 EFI_DEVICE_PATH_PROTOCOL Header;
1101 ///
1102 /// A NULL-terminated Path string including directory and file names.
1103 ///
1104 CHAR16 PathName[1];
1105} FILEPATH_DEVICE_PATH;
1106
1107#define SIZE_OF_FILEPATH_DEVICE_PATH OFFSET_OF(FILEPATH_DEVICE_PATH,PathName)
1108
1109///
1110/// Media Protocol Device Path SubType.
1111///
1112#define MEDIA_PROTOCOL_DP 0x05
1113
1114///
1115/// The Media Protocol Device Path is used to denote the protocol that is being
1116/// used in a device path at the location of the path specified.
1117/// Many protocols are inherent to the style of device path.
1118///
1119typedef struct {
1120 EFI_DEVICE_PATH_PROTOCOL Header;
1121 ///
1122 /// The ID of the protocol.
1123 ///
1124 EFI_GUID Protocol;
1125} MEDIA_PROTOCOL_DEVICE_PATH;
1126
1127///
1128/// PIWG Firmware File SubType.
1129///
1130#define MEDIA_PIWG_FW_FILE_DP 0x06
1131
1132///
1133/// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file.
1134///
1135typedef struct {
1136 EFI_DEVICE_PATH_PROTOCOL Header;
1137 ///
1138 /// Firmware file name
1139 ///
1140 EFI_GUID FvFileName;
1141} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
1142
1143///
1144/// PIWG Firmware Volume Device Path SubType.
1145///
1146#define MEDIA_PIWG_FW_VOL_DP 0x07
1147
1148///
1149/// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume.
1150///
1151typedef struct {
1152 EFI_DEVICE_PATH_PROTOCOL Header;
1153 ///
1154 /// Firmware volume name.
1155 ///
1156 EFI_GUID FvName;
1157} MEDIA_FW_VOL_DEVICE_PATH;
1158
1159///
1160/// Media relative offset range device path.
1161///
1162#define MEDIA_RELATIVE_OFFSET_RANGE_DP 0x08
1163
1164///
1165/// Used to describe the offset range of media relative.
1166///
1167typedef struct {
1168 EFI_DEVICE_PATH_PROTOCOL Header;
1169 UINT32 Reserved;
1170 UINT64 StartingOffset;
1171 UINT64 EndingOffset;
1172} MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;
1173
1174///
1175/// This GUID defines a RAM Disk supporting a raw disk format in volatile memory.
1176///
1177#define EFI_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_VOLATILE
1178
1179extern EFI_GUID gEfiVirtualDiskGuid;
1180
1181///
1182/// This GUID defines a RAM Disk supporting an ISO image in volatile memory.
1183///
1184#define EFI_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_VOLATILE
1185
1186extern EFI_GUID gEfiVirtualCdGuid;
1187
1188///
1189/// This GUID defines a RAM Disk supporting a raw disk format in persistent memory.
1190///
1191#define EFI_PERSISTENT_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_PERSISTENT
1192
1193extern EFI_GUID gEfiPersistentVirtualDiskGuid;
1194
1195///
1196/// This GUID defines a RAM Disk supporting an ISO image in persistent memory.
1197///
1198#define EFI_PERSISTENT_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_PERSISTENT
1199
1200extern EFI_GUID gEfiPersistentVirtualCdGuid;
1201
1202///
1203/// Media ram disk device path.
1204///
1205#define MEDIA_RAM_DISK_DP 0x09
1206
1207///
1208/// Used to describe the ram disk device path.
1209///
1210typedef struct {
1211 EFI_DEVICE_PATH_PROTOCOL Header;
1212 ///
1213 /// Starting Memory Address.
1214 ///
1215 UINT32 StartingAddr[2];
1216 ///
1217 /// Ending Memory Address.
1218 ///
1219 UINT32 EndingAddr[2];
1220 ///
1221 /// GUID that defines the type of the RAM Disk.
1222 ///
1223 EFI_GUID TypeGuid;
1224 ///
1225 /// RAM Diskinstance number, if supported. The default value is zero.
1226 ///
1227 UINT16 Instance;
1228} MEDIA_RAM_DISK_DEVICE_PATH;
1229
1230///
1231/// BIOS Boot Specification Device Path.
1232///
1233#define BBS_DEVICE_PATH 0x05
1234
1235///
1236/// BIOS Boot Specification Device Path SubType.
1237///
1238#define BBS_BBS_DP 0x01
1239
1240///
1241/// This Device Path is used to describe the booting of non-EFI-aware operating systems.
1242///
1243typedef struct {
1244 EFI_DEVICE_PATH_PROTOCOL Header;
1245 ///
1246 /// Device Type as defined by the BIOS Boot Specification.
1247 ///
1248 UINT16 DeviceType;
1249 ///
1250 /// Status Flags as defined by the BIOS Boot Specification.
1251 ///
1252 UINT16 StatusFlag;
1253 ///
1254 /// Null-terminated ASCII string that describes the boot device to a user.
1255 ///
1256 CHAR8 String[1];
1257} BBS_BBS_DEVICE_PATH;
1258
1259//
1260// DeviceType definitions - from BBS specification
1261//
1262#define BBS_TYPE_FLOPPY 0x01
1263#define BBS_TYPE_HARDDRIVE 0x02
1264#define BBS_TYPE_CDROM 0x03
1265#define BBS_TYPE_PCMCIA 0x04
1266#define BBS_TYPE_USB 0x05
1267#define BBS_TYPE_EMBEDDED_NETWORK 0x06
1268#define BBS_TYPE_BEV 0x80
1269#define BBS_TYPE_UNKNOWN 0xFF
1270
1271///
1272/// Union of all possible Device Paths and pointers to Device Paths.
1273///
1274typedef union {
1275 EFI_DEVICE_PATH_PROTOCOL DevPath;
1276 PCI_DEVICE_PATH Pci;
1277 PCCARD_DEVICE_PATH PcCard;
1278 MEMMAP_DEVICE_PATH MemMap;
1279 VENDOR_DEVICE_PATH Vendor;
1280
1281 CONTROLLER_DEVICE_PATH Controller;
1282 BMC_DEVICE_PATH Bmc;
1283 ACPI_HID_DEVICE_PATH Acpi;
1284 ACPI_EXTENDED_HID_DEVICE_PATH ExtendedAcpi;
1285 ACPI_ADR_DEVICE_PATH AcpiAdr;
1286
1287 ATAPI_DEVICE_PATH Atapi;
1288 SCSI_DEVICE_PATH Scsi;
1289 ISCSI_DEVICE_PATH Iscsi;
1290 FIBRECHANNEL_DEVICE_PATH FibreChannel;
1291 FIBRECHANNELEX_DEVICE_PATH FibreChannelEx;
1292
1293 F1394_DEVICE_PATH F1394;
1294 USB_DEVICE_PATH Usb;
1295 SATA_DEVICE_PATH Sata;
1296 USB_CLASS_DEVICE_PATH UsbClass;
1297 USB_WWID_DEVICE_PATH UsbWwid;
1298 DEVICE_LOGICAL_UNIT_DEVICE_PATH LogicUnit;
1299 I2O_DEVICE_PATH I2O;
1300 MAC_ADDR_DEVICE_PATH MacAddr;
1301 IPv4_DEVICE_PATH Ipv4;
1302 IPv6_DEVICE_PATH Ipv6;
1303 VLAN_DEVICE_PATH Vlan;
1304 INFINIBAND_DEVICE_PATH InfiniBand;
1305 UART_DEVICE_PATH Uart;
1306 UART_FLOW_CONTROL_DEVICE_PATH UartFlowControl;
1307 SAS_DEVICE_PATH Sas;
1308 SASEX_DEVICE_PATH SasEx;
1309 NVME_NAMESPACE_DEVICE_PATH NvmeNamespace;
1310 NVME_OF_NAMESPACE_DEVICE_PATH NvmeOfNamespace;
1311 DNS_DEVICE_PATH Dns;
1312 URI_DEVICE_PATH Uri;
1313 BLUETOOTH_DEVICE_PATH Bluetooth;
1314 WIFI_DEVICE_PATH WiFi;
1315 UFS_DEVICE_PATH Ufs;
1316 SD_DEVICE_PATH Sd;
1317 EMMC_DEVICE_PATH Emmc;
1318 HARDDRIVE_DEVICE_PATH HardDrive;
1319 CDROM_DEVICE_PATH CD;
1320
1321 FILEPATH_DEVICE_PATH FilePath;
1322 MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol;
1323
1324 MEDIA_FW_VOL_DEVICE_PATH FirmwareVolume;
1325 MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FirmwareFile;
1326 MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH Offset;
1327 MEDIA_RAM_DISK_DEVICE_PATH RamDisk;
1328 BBS_BBS_DEVICE_PATH Bbs;
1329} EFI_DEV_PATH;
1330
1331typedef union {
1332 EFI_DEVICE_PATH_PROTOCOL *DevPath;
1333 PCI_DEVICE_PATH *Pci;
1334 PCCARD_DEVICE_PATH *PcCard;
1335 MEMMAP_DEVICE_PATH *MemMap;
1336 VENDOR_DEVICE_PATH *Vendor;
1337
1338 CONTROLLER_DEVICE_PATH *Controller;
1339 BMC_DEVICE_PATH *Bmc;
1340 ACPI_HID_DEVICE_PATH *Acpi;
1341 ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
1342 ACPI_ADR_DEVICE_PATH *AcpiAdr;
1343
1344 ATAPI_DEVICE_PATH *Atapi;
1345 SCSI_DEVICE_PATH *Scsi;
1346 ISCSI_DEVICE_PATH *Iscsi;
1347 FIBRECHANNEL_DEVICE_PATH *FibreChannel;
1348 FIBRECHANNELEX_DEVICE_PATH *FibreChannelEx;
1349
1350 F1394_DEVICE_PATH *F1394;
1351 USB_DEVICE_PATH *Usb;
1352 SATA_DEVICE_PATH *Sata;
1353 USB_CLASS_DEVICE_PATH *UsbClass;
1354 USB_WWID_DEVICE_PATH *UsbWwid;
1355 DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicUnit;
1356 I2O_DEVICE_PATH *I2O;
1357 MAC_ADDR_DEVICE_PATH *MacAddr;
1358 IPv4_DEVICE_PATH *Ipv4;
1359 IPv6_DEVICE_PATH *Ipv6;
1360 VLAN_DEVICE_PATH *Vlan;
1361 INFINIBAND_DEVICE_PATH *InfiniBand;
1362 UART_DEVICE_PATH *Uart;
1363 UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl;
1364 SAS_DEVICE_PATH *Sas;
1365 SASEX_DEVICE_PATH *SasEx;
1366 NVME_NAMESPACE_DEVICE_PATH *NvmeNamespace;
1367 NVME_OF_NAMESPACE_DEVICE_PATH *NvmeOfNamespace;
1368 DNS_DEVICE_PATH *Dns;
1369 URI_DEVICE_PATH *Uri;
1370 BLUETOOTH_DEVICE_PATH *Bluetooth;
1371 WIFI_DEVICE_PATH *WiFi;
1372 UFS_DEVICE_PATH *Ufs;
1373 SD_DEVICE_PATH *Sd;
1374 EMMC_DEVICE_PATH *Emmc;
1375 HARDDRIVE_DEVICE_PATH *HardDrive;
1376 CDROM_DEVICE_PATH *CD;
1377
1378 FILEPATH_DEVICE_PATH *FilePath;
1379 MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol;
1380
1381 MEDIA_FW_VOL_DEVICE_PATH *FirmwareVolume;
1382 MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FirmwareFile;
1383 MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset;
1384 MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
1385 BBS_BBS_DEVICE_PATH *Bbs;
1386 UINT8 *Raw;
1387} EFI_DEV_PATH_PTR;
1388
1389#pragma pack()
1390
1391#define END_DEVICE_PATH_TYPE 0x7f
1392#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xFF
1393#define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01
1394
1395extern EFI_GUID gEfiDevicePathProtocolGuid;
1396
1397#endif
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