3 Copyright (c) 2004 - 2007, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 EFI Device Path definitions
22 #ifndef _EFI_DEVICE_PATH_H
23 #define _EFI_DEVICE_PATH_H
31 // Device Path defines and macros
33 #define EFI_DP_TYPE_MASK 0x7F
34 #define EFI_DP_TYPE_UNPACKED 0x80
35 #define END_DEVICE_PATH_TYPE 0x7f
36 #define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff
37 #define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01
38 #define END_DEVICE_PATH_LENGTH (sizeof(EFI_DEVICE_PATH_PROTOCOL))
40 #define DP_IS_END_TYPE(a)
41 #define DP_IS_END_SUBTYPE(a) ( ((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
43 #define DevicePathType(a) ( ((a)->Type) & EFI_DP_TYPE_MASK )
44 #define DevicePathSubType(a) ( (a)->SubType )
45 #define DevicePathNodeLength(a) ( ((a)->Length[0]) | ((a)->Length[1] << 8) )
46 #define NextDevicePathNode(a) ( (EFI_DEVICE_PATH_PROTOCOL *) ( ((UINT8 *) (a)) + DevicePathNodeLength(a)))
47 #define IsDevicePathEndType(a) ( DevicePathType(a) == END_DEVICE_PATH_TYPE )
48 #define IsDevicePathEndSubType(a) ( (a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
49 #define IsDevicePathEnd(a) ( IsDevicePathEndType(a) && IsDevicePathEndSubType(a) )
50 #define IsDevicePathUnpacked(a) ( (a)->Type & EFI_DP_TYPE_UNPACKED )
53 #define SetDevicePathNodeLength(a,l) { \
54 (a)->Length[0] = (UINT8) (l); \
55 (a)->Length[1] = (UINT8) ((l) >> 8); \
58 #define SetDevicePathEndNode(a) { \
59 (a)->Type = END_DEVICE_PATH_TYPE; \
60 (a)->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; \
61 (a)->Length[0] = sizeof(EFI_DEVICE_PATH_PROTOCOL); \
66 // Hardware Device Paths
68 #define HARDWARE_DEVICE_PATH 0x01
70 #define HW_PCI_DP 0x01
72 EFI_DEVICE_PATH_PROTOCOL Header
;
77 #define HW_PCCARD_DP 0x02
79 EFI_DEVICE_PATH_PROTOCOL Header
;
83 #define HW_MEMMAP_DP 0x03
85 EFI_DEVICE_PATH_PROTOCOL Header
;
87 EFI_PHYSICAL_ADDRESS StartingAddress
;
88 EFI_PHYSICAL_ADDRESS EndingAddress
;
91 #define HW_VENDOR_DP 0x04
93 EFI_DEVICE_PATH_PROTOCOL Header
;
97 #define HW_CONTROLLER_DP 0x05
99 EFI_DEVICE_PATH_PROTOCOL Header
;
101 } CONTROLLER_DEVICE_PATH
;
106 #define ACPI_DEVICE_PATH 0x02
110 EFI_DEVICE_PATH_PROTOCOL Header
;
113 } ACPI_HID_DEVICE_PATH
;
115 #define ACPI_EXTENDED_DP 0x02
117 EFI_DEVICE_PATH_PROTOCOL Header
;
122 // Optional variable length _HIDSTR
123 // Optional variable length _UIDSTR
125 } ACPI_EXTENDED_HID_DEVICE_PATH
;
127 #define ACPI_ADR_DP 0x03
130 EFI_DEVICE_PATH_PROTOCOL Header
;
132 } ACPI_ADR_DEVICE_PATH
;
134 #define ACPI_ADR_DISPLAY_TYPE_OTHER 0
135 #define ACPI_ADR_DISPLAY_TYPE_VGA 1
136 #define ACPI_ADR_DISPLAY_TYPE_TV 2
137 #define ACPI_ADR_DISPLAY_TYPE_EXTERNAL_DIGITAL 3
138 #define ACPI_ADR_DISPLAY_TYPE_INTERNAL_DIGITAL 4
140 #define ACPI_DISPLAY_ADR(_DeviceIdScheme, _HeadId, _NonVgaOutput, _BiosCanDetect, _VendorInfo, _Type, _Port, _Index) \
141 ((UINT32) ( (((_DeviceIdScheme) & 0x1) << 31) | \
142 (((_HeadId) & 0x7) << 18) | \
143 (((_NonVgaOutput) & 0x1) << 17) | \
144 (((_BiosCanDetect) & 0x1) << 16) | \
145 (((_VendorInfo) & 0xf) << 12) | \
146 (((_Type) & 0xf) << 8) | \
147 (((_Port) & 0xf) << 4) | \
152 // EISA ID Definition 32-bits
153 // bits[15:0] - three character compressed ASCII EISA ID.
154 // bits[31:16] - binary number
155 // Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z'
157 #define PNP_EISA_ID_CONST 0x41d0
158 #define EISA_ID(_Name, _Num) ((UINT32) ((_Name) | (_Num) << 16))
159 #define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
160 #define EFI_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
162 #define PNP_EISA_ID_MASK 0xffff
163 #define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
166 // Messaging Device Paths
168 #define MESSAGING_DEVICE_PATH 0x03
170 #define MSG_ATAPI_DP 0x01
172 EFI_DEVICE_PATH_PROTOCOL Header
;
173 UINT8 PrimarySecondary
;
178 #define MSG_SCSI_DP 0x02
180 EFI_DEVICE_PATH_PROTOCOL Header
;
185 #define MSG_FIBRECHANNEL_DP 0x03
187 EFI_DEVICE_PATH_PROTOCOL Header
;
191 } FIBRECHANNEL_DEVICE_PATH
;
193 #define MSG_1394_DP 0x04
195 EFI_DEVICE_PATH_PROTOCOL Header
;
200 #define MSG_USB_DP 0x05
202 EFI_DEVICE_PATH_PROTOCOL Header
;
203 UINT8 ParentPortNumber
;
204 UINT8 InterfaceNumber
;
207 #define MSG_USB_CLASS_DP 0x0f
209 EFI_DEVICE_PATH_PROTOCOL Header
;
213 UINT8 DeviceSubClass
;
214 UINT8 DeviceProtocol
;
215 } USB_CLASS_DEVICE_PATH
;
217 #if (EFI_SPECIFICATION_VERSION >= 0x00020000)
218 #define MSG_USB_WWID_DP 0x10
220 EFI_DEVICE_PATH_PROTOCOL Header
;
221 UINT16 InterfaceNumber
;
225 // CHAR16 SerialNumber[];
227 } USB_WWID_DEVICE_PATH
;
229 #define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
231 EFI_DEVICE_PATH_PROTOCOL Header
;
233 } DEVICE_LOGICAL_UNIT_DEVICE_PATH
;
236 #define MSG_SATA_DP 0x12
238 EFI_DEVICE_PATH_PROTOCOL Header
;
239 UINT16 HBAPortNumber
;
240 UINT16 PortMultiplierPortNumber
;
244 #define MSG_I2O_DP 0x06
246 EFI_DEVICE_PATH_PROTOCOL Header
;
250 #define MSG_MAC_ADDR_DP 0x0b
252 EFI_DEVICE_PATH_PROTOCOL Header
;
253 EFI_MAC_ADDRESS MacAddress
;
255 } MAC_ADDR_DEVICE_PATH
;
257 #define MSG_IPv4_DP 0x0c
259 EFI_DEVICE_PATH_PROTOCOL Header
;
260 EFI_IPv4_ADDRESS LocalIpAddress
;
261 EFI_IPv4_ADDRESS RemoteIpAddress
;
265 BOOLEAN StaticIpAddress
;
268 #define MSG_IPv6_DP 0x0d
270 EFI_DEVICE_PATH_PROTOCOL Header
;
271 EFI_IPv6_ADDRESS LocalIpAddress
;
272 EFI_IPv6_ADDRESS RemoteIpAddress
;
276 BOOLEAN StaticIpAddress
;
279 #define MSG_INFINIBAND_DP 0x09
281 EFI_DEVICE_PATH_PROTOCOL Header
;
282 UINT32 ResourceFlags
;
287 } INFINIBAND_DEVICE_PATH
;
289 #define INFINIBAND_RESOURCE_FLAG_IOC_SERVICE 0x01
290 #define INFINIBAND_RESOURCE_FLAG_EXTENDED_BOOT_ENVIRONMENT 0x02
291 #define INFINIBAND_RESOURCE_FLAG_CONSOLE_PROTOCOL 0x04
292 #define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08
293 #define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
295 #define MSG_UART_DP 0x0e
297 EFI_DEVICE_PATH_PROTOCOL Header
;
306 // Use VENDOR_DEVICE_PATH struct
308 #define MSG_VENDOR_DP 0x0a
310 #define DEVICE_PATH_MESSAGING_PC_ANSI \
311 { 0xe0c14753, 0xf9be, 0x11d2, 0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d }
313 #define DEVICE_PATH_MESSAGING_VT_100 \
314 { 0xdfa66065, 0xb419, 0x11d3, 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d }
316 #define DEVICE_PATH_MESSAGING_VT_100_PLUS \
317 { 0x7baec70b, 0x57e0, 0x4c76, 0x8e, 0x87, 0x2f, 0x9e, 0x28, 0x08, 0x83, 0x43 }
319 #define DEVICE_PATH_MESSAGING_VT_UTF8 \
320 { 0xad15a0d6, 0x8bec, 0x4acf, 0xa0, 0x73, 0xd0, 0x1d, 0xe7, 0x7e, 0x2d, 0x88 }
322 #define DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL \
323 { 0x37499a9d, 0x542f, 0x4c89, 0xa0, 0x26, 0x35, 0xda, 0x14, 0x20, 0x94, 0xe4 }
326 EFI_DEVICE_PATH_PROTOCOL Header
;
328 UINT32 FlowControlMap
;
329 } UART_FLOW_CONTROL_DEVICE_PATH
;
331 #if (EFI_SPECIFICATION_VERSION >= 0x00020000)
333 #define DEVICE_PATH_MESSAGING_SAS \
334 { 0xd487ddb4, 0x008b, 0x11d9, 0xaf, 0xdc, 0x00, 0x10, 0x83, 0xff, 0xca, 0x4d }
337 EFI_DEVICE_PATH_PROTOCOL Header
;
342 UINT16 DeviceTopology
;
343 UINT16 RelativeTargetPort
;
346 #define MSG_ISCSI_DP 0x13
348 EFI_DEVICE_PATH_PROTOCOL Header
;
349 UINT16 NetworkProtocol
;
352 UINT16 TargetPortalGroupTag
;
353 // CHAR8 iSCSI Target Name
356 #define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000
357 #define ISCSI_LOGIN_OPTION_HEADER_DIGEST_USING_CRC32C 0x0002
358 #define ISCSI_LOGIN_OPTION_NO_DATA_DIGEST 0x0000
359 #define ISCSI_LOGIN_OPTION_DATA_DIGEST_USING_CRC32C 0x0008
360 #define ISCSI_LOGIN_OPTION_AUTHMETHOD_CHAP 0x0000
361 #define ISCSI_LOGIN_OPTION_AUTHMETHOD_NON 0x1000
362 #define ISCSI_LOGIN_OPTION_CHAP_BI 0x0000
363 #define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000
370 #define MEDIA_DEVICE_PATH 0x04
372 #define MEDIA_HARDDRIVE_DP 0x01
374 EFI_DEVICE_PATH_PROTOCOL Header
;
375 UINT32 PartitionNumber
;
376 UINT64 PartitionStart
;
377 UINT64 PartitionSize
;
381 } HARDDRIVE_DEVICE_PATH
;
383 #define MBR_TYPE_PCAT 0x01
384 #define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
386 #define SIGNATURE_TYPE_MBR 0x01
387 #define SIGNATURE_TYPE_GUID 0x02
389 #define MEDIA_CDROM_DP 0x02
391 EFI_DEVICE_PATH_PROTOCOL Header
;
393 UINT64 PartitionStart
;
394 UINT64 PartitionSize
;
398 // Use VENDOR_DEVICE_PATH struct
400 #define MEDIA_VENDOR_DP 0x03
402 #define MEDIA_FILEPATH_DP 0x04
404 EFI_DEVICE_PATH_PROTOCOL Header
;
406 } FILEPATH_DEVICE_PATH
;
408 #define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)
410 #define MEDIA_PROTOCOL_DP 0x05
412 EFI_DEVICE_PATH_PROTOCOL Header
;
414 } MEDIA_PROTOCOL_DEVICE_PATH
;
416 #if (EFI_SPECIFICATION_VERSION >= 0x0002000A)
418 #define MEDIA_FV_DP 0x06
420 EFI_DEVICE_PATH_PROTOCOL Header
;
422 } MEDIA_FW_VOL_DEVICE_PATH
;
424 #define MEDIA_FV_FILEPATH_DP 0x07
426 EFI_DEVICE_PATH_PROTOCOL Header
;
428 } MEDIA_FW_VOL_FILEPATH_DEVICE_PATH
;
435 #define BBS_DEVICE_PATH 0x05
436 #define BBS_BBS_DP 0x01
438 EFI_DEVICE_PATH_PROTOCOL Header
;
442 } BBS_BBS_DEVICE_PATH
;
445 // DeviceType definitions - from BBS specification
447 #define BBS_TYPE_FLOPPY 0x01
448 #define BBS_TYPE_HARDDRIVE 0x02
449 #define BBS_TYPE_CDROM 0x03
450 #define BBS_TYPE_PCMCIA 0x04
451 #define BBS_TYPE_USB 0x05
452 #define BBS_TYPE_EMBEDDED_NETWORK 0x06
453 #define BBS_TYPE_BEV 0x80
454 #define BBS_TYPE_UNKNOWN 0xFF
456 #define UNKNOWN_DEVICE_GUID \
457 { 0xcf31fac5, 0xc24e, 0x11d2, 0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b }
460 VENDOR_DEVICE_PATH DevicePath
;
461 UINT8 LegacyDriveLetter
;
462 } UNKNOWN_DEVICE_VENDOR_DEVICE_PATH
;
466 // Union of all possible Device Paths and pointers to Device Paths
470 EFI_DEVICE_PATH_PROTOCOL DevPath
;
472 PCCARD_DEVICE_PATH PcCard
;
473 MEMMAP_DEVICE_PATH MemMap
;
474 VENDOR_DEVICE_PATH Vendor
;
476 UNKNOWN_DEVICE_VENDOR_DEVICE_PATH UnknownVendor
;
478 CONTROLLER_DEVICE_PATH Controller
;
479 ACPI_HID_DEVICE_PATH Acpi
;
481 ATAPI_DEVICE_PATH Atapi
;
482 SCSI_DEVICE_PATH Scsi
;
483 FIBRECHANNEL_DEVICE_PATH FibreChannel
;
484 SATA_DEVICE_PATH Sata
;
486 F1394_DEVICE_PATH F1394
;
488 USB_CLASS_DEVICE_PATH UsbClass
;
489 #if (EFI_SPECIFICATION_VERSION >= 0x00020000)
490 USB_WWID_DEVICE_PATH UsbWwid
;
493 MAC_ADDR_DEVICE_PATH MacAddr
;
494 IPv4_DEVICE_PATH Ipv4
;
495 IPv6_DEVICE_PATH Ipv6
;
496 INFINIBAND_DEVICE_PATH InfiniBand
;
497 UART_DEVICE_PATH Uart
;
498 UART_FLOW_CONTROL_DEVICE_PATH UartFlowControl
;
499 #if (EFI_SPECIFICATION_VERSION >= 0x00020000)
501 ISCSI_DEVICE_PATH Iscsi
;
503 HARDDRIVE_DEVICE_PATH HardDrive
;
504 CDROM_DEVICE_PATH CD
;
506 FILEPATH_DEVICE_PATH FilePath
;
507 MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol
;
509 BBS_BBS_DEVICE_PATH Bbs
;
515 EFI_DEVICE_PATH_PROTOCOL
*DevPath
;
516 PCI_DEVICE_PATH
*Pci
;
517 PCCARD_DEVICE_PATH
*PcCard
;
518 MEMMAP_DEVICE_PATH
*MemMap
;
519 VENDOR_DEVICE_PATH
*Vendor
;
521 UNKNOWN_DEVICE_VENDOR_DEVICE_PATH
*UnknownVendor
;
523 CONTROLLER_DEVICE_PATH
*Controller
;
524 ACPI_HID_DEVICE_PATH
*Acpi
;
525 ACPI_EXTENDED_HID_DEVICE_PATH
*ExtendedAcpi
;
527 ATAPI_DEVICE_PATH
*Atapi
;
528 SCSI_DEVICE_PATH
*Scsi
;
529 FIBRECHANNEL_DEVICE_PATH
*FibreChannel
;
530 SATA_DEVICE_PATH
*Sata
;
532 F1394_DEVICE_PATH
*F1394
;
533 USB_DEVICE_PATH
*Usb
;
534 USB_CLASS_DEVICE_PATH
*UsbClass
;
535 I2O_DEVICE_PATH
*I2O
;
536 MAC_ADDR_DEVICE_PATH
*MacAddr
;
537 IPv4_DEVICE_PATH
*Ipv4
;
538 IPv6_DEVICE_PATH
*Ipv6
;
539 INFINIBAND_DEVICE_PATH
*InfiniBand
;
540 UART_DEVICE_PATH
*Uart
;
542 HARDDRIVE_DEVICE_PATH
*HardDrive
;
543 CDROM_DEVICE_PATH
*CD
;
545 FILEPATH_DEVICE_PATH
*FilePath
;
546 MEDIA_PROTOCOL_DEVICE_PATH
*MediaProtocol
;
548 BBS_BBS_DEVICE_PATH
*Bbs
;