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 8 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> 9 SPDX-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 **/ 43 typedef 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 /// 63 typedef 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 /// 78 typedef 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 /// 98 typedef 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 /// 114 typedef 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 /// 140 typedef 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 /// 159 typedef 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 /// 175 typedef 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 196 typedef 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 218 typedef 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 /// 271 typedef 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 /// 290 typedef 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 327 typedef 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 347 typedef 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 363 typedef 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 383 typedef 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 403 typedef 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 419 typedef 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 435 typedef 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 /// 472 typedef 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 499 typedef 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 511 typedef 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 539 typedef 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 551 typedef 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 567 typedef 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 608 typedef 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 652 typedef 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 693 typedef 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 733 typedef 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 745 typedef 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 /// 756 typedef 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 /// 778 typedef 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 810 typedef 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 834 typedef struct { 835 EFI_DEVICE_PATH_PROTOCOL Header; 836 UINT32 NamespaceId; 837 UINT64 NamespaceUuid; 838 } NVME_NAMESPACE_DEVICE_PATH; 839 840 /// 841 /// DNS Device Path SubType 842 /// 843 #define MSG_DNS_DP 0x1F 844 typedef struct { 845 EFI_DEVICE_PATH_PROTOCOL Header; 846 /// 847 /// Indicates the DNS server address is IPv4 or IPv6 address. 848 /// 849 UINT8 IsIPv6; 850 /// 851 /// Instance of the DNS server address. 852 /// 853 EFI_IP_ADDRESS DnsServerIp[]; 854 } DNS_DEVICE_PATH; 855 856 /// 857 /// Uniform Resource Identifiers (URI) Device Path SubType 858 /// 859 #define MSG_URI_DP 0x18 860 typedef struct { 861 EFI_DEVICE_PATH_PROTOCOL Header; 862 /// 863 /// Instance of the URI pursuant to RFC 3986. 864 /// 865 CHAR8 Uri[]; 866 } URI_DEVICE_PATH; 867 868 /// 869 /// Universal Flash Storage (UFS) Device Path SubType. 870 /// 871 #define MSG_UFS_DP 0x19 872 typedef struct { 873 EFI_DEVICE_PATH_PROTOCOL Header; 874 /// 875 /// Target ID on the UFS bus (PUN). 876 /// 877 UINT8 Pun; 878 /// 879 /// Logical Unit Number (LUN). 880 /// 881 UINT8 Lun; 882 } UFS_DEVICE_PATH; 883 884 /// 885 /// SD (Secure Digital) Device Path SubType. 886 /// 887 #define MSG_SD_DP 0x1A 888 typedef struct { 889 EFI_DEVICE_PATH_PROTOCOL Header; 890 UINT8 SlotNumber; 891 } SD_DEVICE_PATH; 892 893 /// 894 /// EMMC (Embedded MMC) Device Path SubType. 895 /// 896 #define MSG_EMMC_DP 0x1D 897 typedef struct { 898 EFI_DEVICE_PATH_PROTOCOL Header; 899 UINT8 SlotNumber; 900 } EMMC_DEVICE_PATH; 901 902 /// 903 /// iSCSI Device Path SubType 904 /// 905 #define MSG_ISCSI_DP 0x13 906 typedef struct { 907 EFI_DEVICE_PATH_PROTOCOL Header; 908 /// 909 /// Network Protocol (0 = TCP, 1+ = reserved). 910 /// 911 UINT16 NetworkProtocol; 912 /// 913 /// iSCSI Login Options. 914 /// 915 UINT16 LoginOption; 916 /// 917 /// iSCSI Logical Unit Number. 918 /// 919 UINT64 Lun; 920 /// 921 /// iSCSI Target Portal group tag the initiator intends 922 /// to establish a session with. 923 /// 924 UINT16 TargetPortalGroupTag; 925 /// 926 /// iSCSI NodeTarget Name. The length of the name 927 /// is determined by subtracting the offset of this field from Length. 928 /// 929 /// CHAR8 iSCSI Target Name. 930 } ISCSI_DEVICE_PATH; 931 932 #define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000 933 #define ISCSI_LOGIN_OPTION_HEADER_DIGEST_USING_CRC32C 0x0002 934 #define ISCSI_LOGIN_OPTION_NO_DATA_DIGEST 0x0000 935 #define ISCSI_LOGIN_OPTION_DATA_DIGEST_USING_CRC32C 0x0008 936 #define ISCSI_LOGIN_OPTION_AUTHMETHOD_CHAP 0x0000 937 #define ISCSI_LOGIN_OPTION_AUTHMETHOD_NON 0x1000 938 #define ISCSI_LOGIN_OPTION_CHAP_BI 0x0000 939 #define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000 940 941 /// 942 /// VLAN Device Path SubType. 943 /// 944 #define MSG_VLAN_DP 0x14 945 typedef struct { 946 EFI_DEVICE_PATH_PROTOCOL Header; 947 /// 948 /// VLAN identifier (0-4094). 949 /// 950 UINT16 VlanId; 951 } VLAN_DEVICE_PATH; 952 953 /// 954 /// Bluetooth Device Path SubType. 955 /// 956 #define MSG_BLUETOOTH_DP 0x1b 957 typedef struct { 958 EFI_DEVICE_PATH_PROTOCOL Header; 959 /// 960 /// 48bit Bluetooth device address. 961 /// 962 BLUETOOTH_ADDRESS BD_ADDR; 963 } BLUETOOTH_DEVICE_PATH; 964 965 /// 966 /// Wi-Fi Device Path SubType. 967 /// 968 #define MSG_WIFI_DP 0x1C 969 typedef struct { 970 EFI_DEVICE_PATH_PROTOCOL Header; 971 /// 972 /// Service set identifier. A 32-byte octets string. 973 /// 974 UINT8 SSId[32]; 975 } WIFI_DEVICE_PATH; 976 977 /// 978 /// Bluetooth LE Device Path SubType. 979 /// 980 #define MSG_BLUETOOTH_LE_DP 0x1E 981 typedef struct { 982 EFI_DEVICE_PATH_PROTOCOL Header; 983 BLUETOOTH_LE_ADDRESS Address; 984 } BLUETOOTH_LE_DEVICE_PATH; 985 986 // 987 // Media Device Path 988 // 989 #define MEDIA_DEVICE_PATH 0x04 990 991 /// 992 /// Hard Drive Media Device Path SubType. 993 /// 994 #define MEDIA_HARDDRIVE_DP 0x01 995 996 /// 997 /// The Hard Drive Media Device Path is used to represent a partition on a hard drive. 998 /// 999 typedef struct { 1000 EFI_DEVICE_PATH_PROTOCOL Header; 1001 /// 1002 /// Describes the entry in a partition table, starting with entry 1. 1003 /// Partition number zero represents the entire device. Valid 1004 /// partition numbers for a MBR partition are [1, 4]. Valid 1005 /// partition numbers for a GPT partition are [1, NumberOfPartitionEntries]. 1006 /// 1007 UINT32 PartitionNumber; 1008 /// 1009 /// Starting LBA of the partition on the hard drive. 1010 /// 1011 UINT64 PartitionStart; 1012 /// 1013 /// Size of the partition in units of Logical Blocks. 1014 /// 1015 UINT64 PartitionSize; 1016 /// 1017 /// Signature unique to this partition: 1018 /// If SignatureType is 0, this field has to be initialized with 16 zeros. 1019 /// If SignatureType is 1, the MBR signature is stored in the first 4 bytes of this field. 1020 /// The other 12 bytes are initialized with zeros. 1021 /// If SignatureType is 2, this field contains a 16 byte signature. 1022 /// 1023 UINT8 Signature[16]; 1024 /// 1025 /// Partition Format: (Unused values reserved). 1026 /// 0x01 - PC-AT compatible legacy MBR. 1027 /// 0x02 - GUID Partition Table. 1028 /// 1029 UINT8 MBRType; 1030 /// 1031 /// Type of Disk Signature: (Unused values reserved). 1032 /// 0x00 - No Disk Signature. 1033 /// 0x01 - 32-bit signature from address 0x1b8 of the type 0x01 MBR. 1034 /// 0x02 - GUID signature. 1035 /// 1036 UINT8 SignatureType; 1037 } HARDDRIVE_DEVICE_PATH; 1038 1039 #define MBR_TYPE_PCAT 0x01 1040 #define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02 1041 1042 #define NO_DISK_SIGNATURE 0x00 1043 #define SIGNATURE_TYPE_MBR 0x01 1044 #define SIGNATURE_TYPE_GUID 0x02 1045 1046 /// 1047 /// CD-ROM Media Device Path SubType. 1048 /// 1049 #define MEDIA_CDROM_DP 0x02 1050 1051 /// 1052 /// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM. 1053 /// 1054 typedef struct { 1055 EFI_DEVICE_PATH_PROTOCOL Header; 1056 /// 1057 /// Boot Entry number from the Boot Catalog. The Initial/Default entry is defined as zero. 1058 /// 1059 UINT32 BootEntry; 1060 /// 1061 /// Starting RBA of the partition on the medium. CD-ROMs use Relative logical Block Addressing. 1062 /// 1063 UINT64 PartitionStart; 1064 /// 1065 /// Size of the partition in units of Blocks, also called Sectors. 1066 /// 1067 UINT64 PartitionSize; 1068 } CDROM_DEVICE_PATH; 1069 1070 // 1071 // Use VENDOR_DEVICE_PATH struct 1072 // 1073 #define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype. 1074 1075 /// 1076 /// File Path Media Device Path SubType 1077 /// 1078 #define MEDIA_FILEPATH_DP 0x04 1079 typedef struct { 1080 EFI_DEVICE_PATH_PROTOCOL Header; 1081 /// 1082 /// A NULL-terminated Path string including directory and file names. 1083 /// 1084 CHAR16 PathName[1]; 1085 } FILEPATH_DEVICE_PATH; 1086 1087 #define SIZE_OF_FILEPATH_DEVICE_PATH OFFSET_OF(FILEPATH_DEVICE_PATH,PathName) 1088 1089 /// 1090 /// Media Protocol Device Path SubType. 1091 /// 1092 #define MEDIA_PROTOCOL_DP 0x05 1093 1094 /// 1095 /// The Media Protocol Device Path is used to denote the protocol that is being 1096 /// used in a device path at the location of the path specified. 1097 /// Many protocols are inherent to the style of device path. 1098 /// 1099 typedef struct { 1100 EFI_DEVICE_PATH_PROTOCOL Header; 1101 /// 1102 /// The ID of the protocol. 1103 /// 1104 EFI_GUID Protocol; 1105 } MEDIA_PROTOCOL_DEVICE_PATH; 1106 1107 /// 1108 /// PIWG Firmware File SubType. 1109 /// 1110 #define MEDIA_PIWG_FW_FILE_DP 0x06 1111 1112 /// 1113 /// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file. 1114 /// 1115 typedef struct { 1116 EFI_DEVICE_PATH_PROTOCOL Header; 1117 /// 1118 /// Firmware file name 1119 /// 1120 EFI_GUID FvFileName; 1121 } MEDIA_FW_VOL_FILEPATH_DEVICE_PATH; 1122 1123 /// 1124 /// PIWG Firmware Volume Device Path SubType. 1125 /// 1126 #define MEDIA_PIWG_FW_VOL_DP 0x07 1127 1128 /// 1129 /// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume. 1130 /// 1131 typedef struct { 1132 EFI_DEVICE_PATH_PROTOCOL Header; 1133 /// 1134 /// Firmware volume name. 1135 /// 1136 EFI_GUID FvName; 1137 } MEDIA_FW_VOL_DEVICE_PATH; 1138 1139 /// 1140 /// Media relative offset range device path. 1141 /// 1142 #define MEDIA_RELATIVE_OFFSET_RANGE_DP 0x08 1143 1144 /// 1145 /// Used to describe the offset range of media relative. 1146 /// 1147 typedef struct { 1148 EFI_DEVICE_PATH_PROTOCOL Header; 1149 UINT32 Reserved; 1150 UINT64 StartingOffset; 1151 UINT64 EndingOffset; 1152 } MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH; 1153 1154 /// 1155 /// This GUID defines a RAM Disk supporting a raw disk format in volatile memory. 1156 /// 1157 #define EFI_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_VOLATILE 1158 1159 extern EFI_GUID gEfiVirtualDiskGuid; 1160 1161 /// 1162 /// This GUID defines a RAM Disk supporting an ISO image in volatile memory. 1163 /// 1164 #define EFI_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_VOLATILE 1165 1166 extern EFI_GUID gEfiVirtualCdGuid; 1167 1168 /// 1169 /// This GUID defines a RAM Disk supporting a raw disk format in persistent memory. 1170 /// 1171 #define EFI_PERSISTENT_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_PERSISTENT 1172 1173 extern EFI_GUID gEfiPersistentVirtualDiskGuid; 1174 1175 /// 1176 /// This GUID defines a RAM Disk supporting an ISO image in persistent memory. 1177 /// 1178 #define EFI_PERSISTENT_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_PERSISTENT 1179 1180 extern EFI_GUID gEfiPersistentVirtualCdGuid; 1181 1182 /// 1183 /// Media ram disk device path. 1184 /// 1185 #define MEDIA_RAM_DISK_DP 0x09 1186 1187 /// 1188 /// Used to describe the ram disk device path. 1189 /// 1190 typedef struct { 1191 EFI_DEVICE_PATH_PROTOCOL Header; 1192 /// 1193 /// Starting Memory Address. 1194 /// 1195 UINT32 StartingAddr[2]; 1196 /// 1197 /// Ending Memory Address. 1198 /// 1199 UINT32 EndingAddr[2]; 1200 /// 1201 /// GUID that defines the type of the RAM Disk. 1202 /// 1203 EFI_GUID TypeGuid; 1204 /// 1205 /// RAM Diskinstance number, if supported. The default value is zero. 1206 /// 1207 UINT16 Instance; 1208 } MEDIA_RAM_DISK_DEVICE_PATH; 1209 1210 /// 1211 /// BIOS Boot Specification Device Path. 1212 /// 1213 #define BBS_DEVICE_PATH 0x05 1214 1215 /// 1216 /// BIOS Boot Specification Device Path SubType. 1217 /// 1218 #define BBS_BBS_DP 0x01 1219 1220 /// 1221 /// This Device Path is used to describe the booting of non-EFI-aware operating systems. 1222 /// 1223 typedef struct { 1224 EFI_DEVICE_PATH_PROTOCOL Header; 1225 /// 1226 /// Device Type as defined by the BIOS Boot Specification. 1227 /// 1228 UINT16 DeviceType; 1229 /// 1230 /// Status Flags as defined by the BIOS Boot Specification. 1231 /// 1232 UINT16 StatusFlag; 1233 /// 1234 /// Null-terminated ASCII string that describes the boot device to a user. 1235 /// 1236 CHAR8 String[1]; 1237 } BBS_BBS_DEVICE_PATH; 1238 1239 // 1240 // DeviceType definitions - from BBS specification 1241 // 1242 #define BBS_TYPE_FLOPPY 0x01 1243 #define BBS_TYPE_HARDDRIVE 0x02 1244 #define BBS_TYPE_CDROM 0x03 1245 #define BBS_TYPE_PCMCIA 0x04 1246 #define BBS_TYPE_USB 0x05 1247 #define BBS_TYPE_EMBEDDED_NETWORK 0x06 1248 #define BBS_TYPE_BEV 0x80 1249 #define BBS_TYPE_UNKNOWN 0xFF 1250 1251 /// 1252 /// Union of all possible Device Paths and pointers to Device Paths. 1253 /// 1254 typedef union { 1255 EFI_DEVICE_PATH_PROTOCOL DevPath; 1256 PCI_DEVICE_PATH Pci; 1257 PCCARD_DEVICE_PATH PcCard; 1258 MEMMAP_DEVICE_PATH MemMap; 1259 VENDOR_DEVICE_PATH Vendor; 1260 1261 CONTROLLER_DEVICE_PATH Controller; 1262 BMC_DEVICE_PATH Bmc; 1263 ACPI_HID_DEVICE_PATH Acpi; 1264 ACPI_EXTENDED_HID_DEVICE_PATH ExtendedAcpi; 1265 ACPI_ADR_DEVICE_PATH AcpiAdr; 1266 1267 ATAPI_DEVICE_PATH Atapi; 1268 SCSI_DEVICE_PATH Scsi; 1269 ISCSI_DEVICE_PATH Iscsi; 1270 FIBRECHANNEL_DEVICE_PATH FibreChannel; 1271 FIBRECHANNELEX_DEVICE_PATH FibreChannelEx; 1272 1273 F1394_DEVICE_PATH F1394; 1274 USB_DEVICE_PATH Usb; 1275 SATA_DEVICE_PATH Sata; 1276 USB_CLASS_DEVICE_PATH UsbClass; 1277 USB_WWID_DEVICE_PATH UsbWwid; 1278 DEVICE_LOGICAL_UNIT_DEVICE_PATH LogicUnit; 1279 I2O_DEVICE_PATH I2O; 1280 MAC_ADDR_DEVICE_PATH MacAddr; 1281 IPv4_DEVICE_PATH Ipv4; 1282 IPv6_DEVICE_PATH Ipv6; 1283 VLAN_DEVICE_PATH Vlan; 1284 INFINIBAND_DEVICE_PATH InfiniBand; 1285 UART_DEVICE_PATH Uart; 1286 UART_FLOW_CONTROL_DEVICE_PATH UartFlowControl; 1287 SAS_DEVICE_PATH Sas; 1288 SASEX_DEVICE_PATH SasEx; 1289 NVME_NAMESPACE_DEVICE_PATH NvmeNamespace; 1290 DNS_DEVICE_PATH Dns; 1291 URI_DEVICE_PATH Uri; 1292 BLUETOOTH_DEVICE_PATH Bluetooth; 1293 WIFI_DEVICE_PATH WiFi; 1294 UFS_DEVICE_PATH Ufs; 1295 SD_DEVICE_PATH Sd; 1296 EMMC_DEVICE_PATH Emmc; 1297 HARDDRIVE_DEVICE_PATH HardDrive; 1298 CDROM_DEVICE_PATH CD; 1299 1300 FILEPATH_DEVICE_PATH FilePath; 1301 MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol; 1302 1303 MEDIA_FW_VOL_DEVICE_PATH FirmwareVolume; 1304 MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FirmwareFile; 1305 MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH Offset; 1306 MEDIA_RAM_DISK_DEVICE_PATH RamDisk; 1307 BBS_BBS_DEVICE_PATH Bbs; 1308 } EFI_DEV_PATH; 1309 1310 typedef union { 1311 EFI_DEVICE_PATH_PROTOCOL *DevPath; 1312 PCI_DEVICE_PATH *Pci; 1313 PCCARD_DEVICE_PATH *PcCard; 1314 MEMMAP_DEVICE_PATH *MemMap; 1315 VENDOR_DEVICE_PATH *Vendor; 1316 1317 CONTROLLER_DEVICE_PATH *Controller; 1318 BMC_DEVICE_PATH *Bmc; 1319 ACPI_HID_DEVICE_PATH *Acpi; 1320 ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi; 1321 ACPI_ADR_DEVICE_PATH *AcpiAdr; 1322 1323 ATAPI_DEVICE_PATH *Atapi; 1324 SCSI_DEVICE_PATH *Scsi; 1325 ISCSI_DEVICE_PATH *Iscsi; 1326 FIBRECHANNEL_DEVICE_PATH *FibreChannel; 1327 FIBRECHANNELEX_DEVICE_PATH *FibreChannelEx; 1328 1329 F1394_DEVICE_PATH *F1394; 1330 USB_DEVICE_PATH *Usb; 1331 SATA_DEVICE_PATH *Sata; 1332 USB_CLASS_DEVICE_PATH *UsbClass; 1333 USB_WWID_DEVICE_PATH *UsbWwid; 1334 DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicUnit; 1335 I2O_DEVICE_PATH *I2O; 1336 MAC_ADDR_DEVICE_PATH *MacAddr; 1337 IPv4_DEVICE_PATH *Ipv4; 1338 IPv6_DEVICE_PATH *Ipv6; 1339 VLAN_DEVICE_PATH *Vlan; 1340 INFINIBAND_DEVICE_PATH *InfiniBand; 1341 UART_DEVICE_PATH *Uart; 1342 UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl; 1343 SAS_DEVICE_PATH *Sas; 1344 SASEX_DEVICE_PATH *SasEx; 1345 NVME_NAMESPACE_DEVICE_PATH *NvmeNamespace; 1346 DNS_DEVICE_PATH *Dns; 1347 URI_DEVICE_PATH *Uri; 1348 BLUETOOTH_DEVICE_PATH *Bluetooth; 1349 WIFI_DEVICE_PATH *WiFi; 1350 UFS_DEVICE_PATH *Ufs; 1351 SD_DEVICE_PATH *Sd; 1352 EMMC_DEVICE_PATH *Emmc; 1353 HARDDRIVE_DEVICE_PATH *HardDrive; 1354 CDROM_DEVICE_PATH *CD; 1355 1356 FILEPATH_DEVICE_PATH *FilePath; 1357 MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol; 1358 1359 MEDIA_FW_VOL_DEVICE_PATH *FirmwareVolume; 1360 MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FirmwareFile; 1361 MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset; 1362 MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; 1363 BBS_BBS_DEVICE_PATH *Bbs; 1364 UINT8 *Raw; 1365 } EFI_DEV_PATH_PTR; 1366 1367 #pragma pack() 1368 1369 #define END_DEVICE_PATH_TYPE 0x7f 1370 #define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xFF 1371 #define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01 1372 1373 extern EFI_GUID gEfiDevicePathProtocolGuid; 1374 1375 #endif 1376