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