1 /** @file 2 This header file contains all of the PXE type definitions, 3 structure prototypes, global variables and constants that 4 are needed for porting PXE to EFI. 5 6 Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> 7 This program and the accompanying materials are licensed and made available under 8 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php. 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15 @par Revision Reference: 16 32/64-bit PXE specification: 17 alpha-4, 99-Dec-17. 18 19 **/ 20 21 #ifndef __EFI_PXE_H__ 22 #define __EFI_PXE_H__ 23 24 #pragma pack(1) 25 26 #define PXE_BUSTYPE(a, b, c, d) \ 27 ( \ 28 (((PXE_UINT32) (d) & 0xFF) << 24) | (((PXE_UINT32) (c) & 0xFF) << 16) | (((PXE_UINT32) (b) & 0xFF) << 8) | \ 29 ((PXE_UINT32) (a) & 0xFF) \ 30 ) 31 32 /// 33 /// UNDI ROM ID and devive ID signature. 34 /// 35 #define PXE_BUSTYPE_PXE PXE_BUSTYPE ('!', 'P', 'X', 'E') 36 37 /// 38 /// BUS ROM ID signatures. 39 /// 40 #define PXE_BUSTYPE_PCI PXE_BUSTYPE ('P', 'C', 'I', 'R') 41 #define PXE_BUSTYPE_PC_CARD PXE_BUSTYPE ('P', 'C', 'C', 'R') 42 #define PXE_BUSTYPE_USB PXE_BUSTYPE ('U', 'S', 'B', 'R') 43 #define PXE_BUSTYPE_1394 PXE_BUSTYPE ('1', '3', '9', '4') 44 45 #define PXE_SWAP_UINT16(n) ((((PXE_UINT16) (n) & 0x00FF) << 8) | (((PXE_UINT16) (n) & 0xFF00) >> 8)) 46 47 #define PXE_SWAP_UINT32(n) \ 48 ((((PXE_UINT32)(n) & 0x000000FF) << 24) | \ 49 (((PXE_UINT32)(n) & 0x0000FF00) << 8) | \ 50 (((PXE_UINT32)(n) & 0x00FF0000) >> 8) | \ 51 (((PXE_UINT32)(n) & 0xFF000000) >> 24)) 52 53 #define PXE_SWAP_UINT64(n) \ 54 ((((PXE_UINT64)(n) & 0x00000000000000FFULL) << 56) | \ 55 (((PXE_UINT64)(n) & 0x000000000000FF00ULL) << 40) | \ 56 (((PXE_UINT64)(n) & 0x0000000000FF0000ULL) << 24) | \ 57 (((PXE_UINT64)(n) & 0x00000000FF000000ULL) << 8) | \ 58 (((PXE_UINT64)(n) & 0x000000FF00000000ULL) >> 8) | \ 59 (((PXE_UINT64)(n) & 0x0000FF0000000000ULL) >> 24) | \ 60 (((PXE_UINT64)(n) & 0x00FF000000000000ULL) >> 40) | \ 61 (((PXE_UINT64)(n) & 0xFF00000000000000ULL) >> 56)) 62 63 64 #define PXE_CPBSIZE_NOT_USED 0 ///< zero 65 #define PXE_DBSIZE_NOT_USED 0 ///< zero 66 #define PXE_CPBADDR_NOT_USED (PXE_UINT64) 0 ///< zero 67 #define PXE_DBADDR_NOT_USED (PXE_UINT64) 0 ///< zero 68 #define PXE_CONST CONST 69 70 #define PXE_VOLATILE volatile 71 72 typedef VOID PXE_VOID; 73 typedef UINT8 PXE_UINT8; 74 typedef UINT16 PXE_UINT16; 75 typedef UINT32 PXE_UINT32; 76 typedef UINTN PXE_UINTN; 77 78 /// 79 /// Typedef unsigned long PXE_UINT64. 80 /// 81 typedef UINT64 PXE_UINT64; 82 83 typedef PXE_UINT8 PXE_BOOL; 84 #define PXE_FALSE 0 ///< zero 85 #define PXE_TRUE (!PXE_FALSE) 86 87 typedef PXE_UINT16 PXE_OPCODE; 88 89 /// 90 /// Return UNDI operational state. 91 /// 92 #define PXE_OPCODE_GET_STATE 0x0000 93 94 /// 95 /// Change UNDI operational state from Stopped to Started. 96 /// 97 #define PXE_OPCODE_START 0x0001 98 99 /// 100 /// Change UNDI operational state from Started to Stopped. 101 /// 102 #define PXE_OPCODE_STOP 0x0002 103 104 /// 105 /// Get UNDI initialization information. 106 /// 107 #define PXE_OPCODE_GET_INIT_INFO 0x0003 108 109 /// 110 /// Get NIC configuration information. 111 /// 112 #define PXE_OPCODE_GET_CONFIG_INFO 0x0004 113 114 /// 115 /// Changed UNDI operational state from Started to Initialized. 116 /// 117 #define PXE_OPCODE_INITIALIZE 0x0005 118 119 /// 120 /// Re-initialize the NIC H/W. 121 /// 122 #define PXE_OPCODE_RESET 0x0006 123 124 /// 125 /// Change the UNDI operational state from Initialized to Started. 126 /// 127 #define PXE_OPCODE_SHUTDOWN 0x0007 128 129 /// 130 /// Read & change state of external interrupt enables. 131 /// 132 #define PXE_OPCODE_INTERRUPT_ENABLES 0x0008 133 134 /// 135 /// Read & change state of packet receive filters. 136 /// 137 #define PXE_OPCODE_RECEIVE_FILTERS 0x0009 138 139 /// 140 /// Read & change station MAC address. 141 /// 142 #define PXE_OPCODE_STATION_ADDRESS 0x000A 143 144 /// 145 /// Read traffic statistics. 146 /// 147 #define PXE_OPCODE_STATISTICS 0x000B 148 149 /// 150 /// Convert multicast IP address to multicast MAC address. 151 /// 152 #define PXE_OPCODE_MCAST_IP_TO_MAC 0x000C 153 154 /// 155 /// Read or change non-volatile storage on the NIC. 156 /// 157 #define PXE_OPCODE_NVDATA 0x000D 158 159 /// 160 /// Get & clear interrupt status. 161 /// 162 #define PXE_OPCODE_GET_STATUS 0x000E 163 164 /// 165 /// Fill media header in packet for transmit. 166 /// 167 #define PXE_OPCODE_FILL_HEADER 0x000F 168 169 /// 170 /// Transmit packet(s). 171 /// 172 #define PXE_OPCODE_TRANSMIT 0x0010 173 174 /// 175 /// Receive packet. 176 /// 177 #define PXE_OPCODE_RECEIVE 0x0011 178 179 /// 180 /// Last valid PXE UNDI OpCode number. 181 /// 182 #define PXE_OPCODE_LAST_VALID 0x0011 183 184 typedef PXE_UINT16 PXE_OPFLAGS; 185 186 #define PXE_OPFLAGS_NOT_USED 0x0000 187 188 // 189 // ////////////////////////////////////// 190 // UNDI Get State 191 // 192 // No OpFlags 193 194 //////////////////////////////////////// 195 // UNDI Start 196 // 197 // No OpFlags 198 199 //////////////////////////////////////// 200 // UNDI Stop 201 // 202 // No OpFlags 203 204 //////////////////////////////////////// 205 // UNDI Get Init Info 206 // 207 // No Opflags 208 209 //////////////////////////////////////// 210 // UNDI Get Config Info 211 // 212 // No Opflags 213 214 /// 215 /// UNDI Initialize 216 /// 217 #define PXE_OPFLAGS_INITIALIZE_CABLE_DETECT_MASK 0x0001 218 #define PXE_OPFLAGS_INITIALIZE_DETECT_CABLE 0x0000 219 #define PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE 0x0001 220 221 /// 222 /// 223 /// UNDI Reset 224 /// 225 #define PXE_OPFLAGS_RESET_DISABLE_INTERRUPTS 0x0001 226 #define PXE_OPFLAGS_RESET_DISABLE_FILTERS 0x0002 227 228 /// 229 /// UNDI Shutdown. 230 /// 231 /// No OpFlags. 232 233 /// 234 /// UNDI Interrupt Enables. 235 /// 236 /// 237 /// Select whether to enable or disable external interrupt signals. 238 /// Setting both enable and disable will return PXE_STATCODE_INVALID_OPFLAGS. 239 /// 240 #define PXE_OPFLAGS_INTERRUPT_OPMASK 0xC000 241 #define PXE_OPFLAGS_INTERRUPT_ENABLE 0x8000 242 #define PXE_OPFLAGS_INTERRUPT_DISABLE 0x4000 243 #define PXE_OPFLAGS_INTERRUPT_READ 0x0000 244 245 /// 246 /// Enable receive interrupts. An external interrupt will be generated 247 /// after a complete non-error packet has been received. 248 /// 249 #define PXE_OPFLAGS_INTERRUPT_RECEIVE 0x0001 250 251 /// 252 /// Enable transmit interrupts. An external interrupt will be generated 253 /// after a complete non-error packet has been transmitted. 254 /// 255 #define PXE_OPFLAGS_INTERRUPT_TRANSMIT 0x0002 256 257 /// 258 /// Enable command interrupts. An external interrupt will be generated 259 /// when command execution stops. 260 /// 261 #define PXE_OPFLAGS_INTERRUPT_COMMAND 0x0004 262 263 /// 264 /// Generate software interrupt. Setting this bit generates an external 265 /// interrupt, if it is supported by the hardware. 266 /// 267 #define PXE_OPFLAGS_INTERRUPT_SOFTWARE 0x0008 268 269 /// 270 /// UNDI Receive Filters. 271 /// 272 /// 273 /// Select whether to enable or disable receive filters. 274 /// Setting both enable and disable will return PXE_STATCODE_INVALID_OPCODE. 275 /// 276 #define PXE_OPFLAGS_RECEIVE_FILTER_OPMASK 0xC000 277 #define PXE_OPFLAGS_RECEIVE_FILTER_ENABLE 0x8000 278 #define PXE_OPFLAGS_RECEIVE_FILTER_DISABLE 0x4000 279 #define PXE_OPFLAGS_RECEIVE_FILTER_READ 0x0000 280 281 /// 282 /// To reset the contents of the multicast MAC address filter list, 283 /// set this OpFlag: 284 /// 285 #define PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST 0x2000 286 287 /// 288 /// Enable unicast packet receiving. Packets sent to the current station 289 /// MAC address will be received. 290 /// 291 #define PXE_OPFLAGS_RECEIVE_FILTER_UNICAST 0x0001 292 293 /// 294 /// Enable broadcast packet receiving. Packets sent to the broadcast 295 /// MAC address will be received. 296 /// 297 #define PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST 0x0002 298 299 /// 300 /// Enable filtered multicast packet receiving. Packets sent to any 301 /// of the multicast MAC addresses in the multicast MAC address filter 302 /// list will be received. If the filter list is empty, no multicast 303 /// 304 #define PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST 0x0004 305 306 /// 307 /// Enable promiscuous packet receiving. All packets will be received. 308 /// 309 #define PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS 0x0008 310 311 /// 312 /// Enable promiscuous multicast packet receiving. All multicast 313 /// packets will be received. 314 /// 315 #define PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST 0x0010 316 317 /// 318 /// UNDI Station Address. 319 /// 320 #define PXE_OPFLAGS_STATION_ADDRESS_READ 0x0000 321 #define PXE_OPFLAGS_STATION_ADDRESS_WRITE 0x0000 322 #define PXE_OPFLAGS_STATION_ADDRESS_RESET 0x0001 323 324 /// 325 /// UNDI Statistics. 326 /// 327 #define PXE_OPFLAGS_STATISTICS_READ 0x0000 328 #define PXE_OPFLAGS_STATISTICS_RESET 0x0001 329 330 /// 331 /// UNDI MCast IP to MAC. 332 /// 333 /// 334 /// Identify the type of IP address in the CPB. 335 /// 336 #define PXE_OPFLAGS_MCAST_IP_TO_MAC_OPMASK 0x0003 337 #define PXE_OPFLAGS_MCAST_IPV4_TO_MAC 0x0000 338 #define PXE_OPFLAGS_MCAST_IPV6_TO_MAC 0x0001 339 340 /// 341 /// UNDI NvData. 342 /// 343 /// 344 /// Select the type of non-volatile data operation. 345 /// 346 #define PXE_OPFLAGS_NVDATA_OPMASK 0x0001 347 #define PXE_OPFLAGS_NVDATA_READ 0x0000 348 #define PXE_OPFLAGS_NVDATA_WRITE 0x0001 349 350 /// 351 /// UNDI Get Status. 352 /// 353 /// 354 /// Return current interrupt status. This will also clear any interrupts 355 /// that are currently set. This can be used in a polling routine. The 356 /// interrupt flags are still set and cleared even when the interrupts 357 /// are disabled. 358 /// 359 #define PXE_OPFLAGS_GET_INTERRUPT_STATUS 0x0001 360 361 /// 362 /// Return list of transmitted buffers for recycling. Transmit buffers 363 /// must not be changed or unallocated until they have recycled. After 364 /// issuing a transmit command, wait for a transmit complete interrupt. 365 /// When a transmit complete interrupt is received, read the transmitted 366 /// buffers. Do not plan on getting one buffer per interrupt. Some 367 /// NICs and UNDIs may transmit multiple buffers per interrupt. 368 /// 369 #define PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS 0x0002 370 371 /// 372 /// Return current media status. 373 /// 374 #define PXE_OPFLAGS_GET_MEDIA_STATUS 0x0004 375 376 /// 377 /// UNDI Fill Header. 378 /// 379 #define PXE_OPFLAGS_FILL_HEADER_OPMASK 0x0001 380 #define PXE_OPFLAGS_FILL_HEADER_FRAGMENTED 0x0001 381 #define PXE_OPFLAGS_FILL_HEADER_WHOLE 0x0000 382 383 /// 384 /// UNDI Transmit. 385 /// 386 /// 387 /// S/W UNDI only. Return after the packet has been transmitted. A 388 /// transmit complete interrupt will still be generated and the transmit 389 /// buffer will have to be recycled. 390 /// 391 #define PXE_OPFLAGS_SWUNDI_TRANSMIT_OPMASK 0x0001 392 #define PXE_OPFLAGS_TRANSMIT_BLOCK 0x0001 393 #define PXE_OPFLAGS_TRANSMIT_DONT_BLOCK 0x0000 394 395 #define PXE_OPFLAGS_TRANSMIT_OPMASK 0x0002 396 #define PXE_OPFLAGS_TRANSMIT_FRAGMENTED 0x0002 397 #define PXE_OPFLAGS_TRANSMIT_WHOLE 0x0000 398 399 /// 400 /// UNDI Receive. 401 /// 402 /// No OpFlags. 403 /// 404 405 /// 406 /// PXE STATFLAGS. 407 /// 408 typedef PXE_UINT16 PXE_STATFLAGS; 409 410 #define PXE_STATFLAGS_INITIALIZE 0x0000 411 412 /// 413 /// Common StatFlags that can be returned by all commands. 414 /// 415 /// 416 /// The COMMAND_COMPLETE and COMMAND_FAILED status flags must be 417 /// implemented by all UNDIs. COMMAND_QUEUED is only needed by UNDIs 418 /// that support command queuing. 419 /// 420 #define PXE_STATFLAGS_STATUS_MASK 0xC000 421 #define PXE_STATFLAGS_COMMAND_COMPLETE 0xC000 422 #define PXE_STATFLAGS_COMMAND_FAILED 0x8000 423 #define PXE_STATFLAGS_COMMAND_QUEUED 0x4000 424 425 /// 426 /// UNDI Get State. 427 /// 428 #define PXE_STATFLAGS_GET_STATE_MASK 0x0003 429 #define PXE_STATFLAGS_GET_STATE_INITIALIZED 0x0002 430 #define PXE_STATFLAGS_GET_STATE_STARTED 0x0001 431 #define PXE_STATFLAGS_GET_STATE_STOPPED 0x0000 432 433 /// 434 /// UNDI Start. 435 /// 436 /// No additional StatFlags. 437 /// 438 439 /// 440 /// UNDI Get Init Info. 441 /// 442 #define PXE_STATFLAGS_CABLE_DETECT_MASK 0x0001 443 #define PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED 0x0000 444 #define PXE_STATFLAGS_CABLE_DETECT_SUPPORTED 0x0001 445 446 #define PXE_STATFLAGS_GET_STATUS_NO_MEDIA_MASK 0x0002 447 #define PXE_STATFLAGS_GET_STATUS_NO_MEDIA_NOT_SUPPORTED 0x0000 448 #define PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED 0x0002 449 450 /// 451 /// UNDI Initialize. 452 /// 453 #define PXE_STATFLAGS_INITIALIZED_NO_MEDIA 0x0001 454 455 /// 456 /// UNDI Reset. 457 /// 458 #define PXE_STATFLAGS_RESET_NO_MEDIA 0x0001 459 460 /// 461 /// UNDI Shutdown. 462 /// 463 /// No additional StatFlags. 464 465 /// 466 /// UNDI Interrupt Enables. 467 /// 468 /// 469 /// If set, receive interrupts are enabled. 470 /// 471 #define PXE_STATFLAGS_INTERRUPT_RECEIVE 0x0001 472 473 /// 474 /// If set, transmit interrupts are enabled. 475 /// 476 #define PXE_STATFLAGS_INTERRUPT_TRANSMIT 0x0002 477 478 /// 479 /// If set, command interrupts are enabled. 480 /// 481 #define PXE_STATFLAGS_INTERRUPT_COMMAND 0x0004 482 483 /// 484 /// UNDI Receive Filters. 485 /// 486 487 /// 488 /// If set, unicast packets will be received. 489 /// 490 #define PXE_STATFLAGS_RECEIVE_FILTER_UNICAST 0x0001 491 492 /// 493 /// If set, broadcast packets will be received. 494 /// 495 #define PXE_STATFLAGS_RECEIVE_FILTER_BROADCAST 0x0002 496 497 /// 498 /// If set, multicast packets that match up with the multicast address 499 /// filter list will be received. 500 /// 501 #define PXE_STATFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST 0x0004 502 503 /// 504 /// If set, all packets will be received. 505 /// 506 #define PXE_STATFLAGS_RECEIVE_FILTER_PROMISCUOUS 0x0008 507 508 /// 509 /// If set, all multicast packets will be received. 510 /// 511 #define PXE_STATFLAGS_RECEIVE_FILTER_ALL_MULTICAST 0x0010 512 513 /// 514 /// UNDI Station Address. 515 /// 516 /// No additional StatFlags. 517 /// 518 519 /// 520 /// UNDI Statistics. 521 /// 522 /// No additional StatFlags. 523 /// 524 525 /// 526 //// UNDI MCast IP to MAC. 527 //// 528 //// No additional StatFlags. 529 530 /// 531 /// UNDI NvData. 532 /// 533 /// No additional StatFlags. 534 /// 535 536 /// 537 /// UNDI Get Status. 538 /// 539 540 /// 541 /// Use to determine if an interrupt has occurred. 542 /// 543 #define PXE_STATFLAGS_GET_STATUS_INTERRUPT_MASK 0x000F 544 #define PXE_STATFLAGS_GET_STATUS_NO_INTERRUPTS 0x0000 545 546 /// 547 /// If set, at least one receive interrupt occurred. 548 /// 549 #define PXE_STATFLAGS_GET_STATUS_RECEIVE 0x0001 550 551 /// 552 /// If set, at least one transmit interrupt occurred. 553 /// 554 #define PXE_STATFLAGS_GET_STATUS_TRANSMIT 0x0002 555 556 /// 557 /// If set, at least one command interrupt occurred. 558 /// 559 #define PXE_STATFLAGS_GET_STATUS_COMMAND 0x0004 560 561 /// 562 /// If set, at least one software interrupt occurred. 563 /// 564 #define PXE_STATFLAGS_GET_STATUS_SOFTWARE 0x0008 565 566 /// 567 /// This flag is set if the transmitted buffer queue is empty. This flag 568 /// will be set if all transmitted buffer addresses get written into the DB. 569 /// 570 #define PXE_STATFLAGS_GET_STATUS_TXBUF_QUEUE_EMPTY 0x0010 571 572 /// 573 /// This flag is set if no transmitted buffer addresses were written 574 /// into the DB. (This could be because DBsize was too small.) 575 /// 576 #define PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN 0x0020 577 578 /// 579 /// This flag is set if there is no media detected. 580 /// 581 #define PXE_STATFLAGS_GET_STATUS_NO_MEDIA 0x0040 582 583 /// 584 /// UNDI Fill Header. 585 /// 586 /// No additional StatFlags. 587 /// 588 589 /// 590 /// UNDI Transmit. 591 /// 592 /// No additional StatFlags. 593 594 /// 595 /// UNDI Receive 596 ///. 597 598 /// 599 /// No additional StatFlags. 600 /// 601 typedef PXE_UINT16 PXE_STATCODE; 602 603 #define PXE_STATCODE_INITIALIZE 0x0000 604 605 /// 606 /// Common StatCodes returned by all UNDI commands, UNDI protocol functions 607 /// and BC protocol functions. 608 /// 609 #define PXE_STATCODE_SUCCESS 0x0000 610 611 #define PXE_STATCODE_INVALID_CDB 0x0001 612 #define PXE_STATCODE_INVALID_CPB 0x0002 613 #define PXE_STATCODE_BUSY 0x0003 614 #define PXE_STATCODE_QUEUE_FULL 0x0004 615 #define PXE_STATCODE_ALREADY_STARTED 0x0005 616 #define PXE_STATCODE_NOT_STARTED 0x0006 617 #define PXE_STATCODE_NOT_SHUTDOWN 0x0007 618 #define PXE_STATCODE_ALREADY_INITIALIZED 0x0008 619 #define PXE_STATCODE_NOT_INITIALIZED 0x0009 620 #define PXE_STATCODE_DEVICE_FAILURE 0x000A 621 #define PXE_STATCODE_NVDATA_FAILURE 0x000B 622 #define PXE_STATCODE_UNSUPPORTED 0x000C 623 #define PXE_STATCODE_BUFFER_FULL 0x000D 624 #define PXE_STATCODE_INVALID_PARAMETER 0x000E 625 #define PXE_STATCODE_INVALID_UNDI 0x000F 626 #define PXE_STATCODE_IPV4_NOT_SUPPORTED 0x0010 627 #define PXE_STATCODE_IPV6_NOT_SUPPORTED 0x0011 628 #define PXE_STATCODE_NOT_ENOUGH_MEMORY 0x0012 629 #define PXE_STATCODE_NO_DATA 0x0013 630 631 typedef PXE_UINT16 PXE_IFNUM; 632 633 /// 634 /// This interface number must be passed to the S/W UNDI Start command. 635 /// 636 #define PXE_IFNUM_START 0x0000 637 638 /// 639 /// This interface number is returned by the S/W UNDI Get State and 640 /// Start commands if information in the CDB, CPB or DB is invalid. 641 /// 642 #define PXE_IFNUM_INVALID 0x0000 643 644 typedef PXE_UINT16 PXE_CONTROL; 645 646 /// 647 /// Setting this flag directs the UNDI to queue this command for later 648 /// execution if the UNDI is busy and it supports command queuing. 649 /// If queuing is not supported, a PXE_STATCODE_INVALID_CONTROL error 650 /// is returned. If the queue is full, a PXE_STATCODE_CDB_QUEUE_FULL 651 /// error is returned. 652 /// 653 #define PXE_CONTROL_QUEUE_IF_BUSY 0x0002 654 655 /// 656 /// These two bit values are used to determine if there are more UNDI 657 /// CDB structures following this one. If the link bit is set, there 658 /// must be a CDB structure following this one. Execution will start 659 /// on the next CDB structure as soon as this one completes successfully. 660 /// If an error is generated by this command, execution will stop. 661 /// 662 #define PXE_CONTROL_LINK 0x0001 663 #define PXE_CONTROL_LAST_CDB_IN_LIST 0x0000 664 665 typedef PXE_UINT8 PXE_FRAME_TYPE; 666 667 #define PXE_FRAME_TYPE_NONE 0x00 668 #define PXE_FRAME_TYPE_UNICAST 0x01 669 #define PXE_FRAME_TYPE_BROADCAST 0x02 670 #define PXE_FRAME_TYPE_FILTERED_MULTICAST 0x03 671 #define PXE_FRAME_TYPE_PROMISCUOUS 0x04 672 #define PXE_FRAME_TYPE_PROMISCUOUS_MULTICAST 0x05 673 674 #define PXE_FRAME_TYPE_MULTICAST PXE_FRAME_TYPE_FILTERED_MULTICAST 675 676 typedef PXE_UINT32 PXE_IPV4; 677 678 typedef PXE_UINT32 PXE_IPV6[4]; 679 #define PXE_MAC_LENGTH 32 680 681 typedef PXE_UINT8 PXE_MAC_ADDR[PXE_MAC_LENGTH]; 682 683 typedef PXE_UINT8 PXE_IFTYPE; 684 typedef UINT16 PXE_MEDIA_PROTOCOL; 685 686 /// 687 /// This information is from the ARP section of RFC 1700. 688 /// 689 /// 1 Ethernet (10Mb) [JBP] 690 /// 2 Experimental Ethernet (3Mb) [JBP] 691 /// 3 Amateur Radio AX.25 [PXK] 692 /// 4 Proteon ProNET Token Ring [JBP] 693 /// 5 Chaos [GXP] 694 /// 6 IEEE 802 Networks [JBP] 695 /// 7 ARCNET [JBP] 696 /// 8 Hyperchannel [JBP] 697 /// 9 Lanstar [TU] 698 /// 10 Autonet Short Address [MXB1] 699 /// 11 LocalTalk [JKR1] 700 /// 12 LocalNet (IBM* PCNet or SYTEK* LocalNET) [JXM] 701 /// 13 Ultra link [RXD2] 702 /// 14 SMDS [GXC1] 703 /// 15 Frame Relay [AGM] 704 /// 16 Asynchronous Transmission Mode (ATM) [JXB2] 705 /// 17 HDLC [JBP] 706 /// 18 Fibre Channel [Yakov Rekhter] 707 /// 19 Asynchronous Transmission Mode (ATM) [Mark Laubach] 708 /// 20 Serial Line [JBP] 709 /// 21 Asynchronous Transmission Mode (ATM) [MXB1] 710 /// 711 /// * Other names and brands may be claimed as the property of others. 712 /// 713 #define PXE_IFTYPE_ETHERNET 0x01 714 #define PXE_IFTYPE_TOKENRING 0x04 715 #define PXE_IFTYPE_FIBRE_CHANNEL 0x12 716 717 typedef struct s_pxe_hw_undi { 718 PXE_UINT32 Signature; ///< PXE_ROMID_SIGNATURE. 719 PXE_UINT8 Len; ///< sizeof(PXE_HW_UNDI). 720 PXE_UINT8 Fudge; ///< makes 8-bit cksum equal zero. 721 PXE_UINT8 Rev; ///< PXE_ROMID_REV. 722 PXE_UINT8 IFcnt; ///< physical connector count lower byte. 723 PXE_UINT8 MajorVer; ///< PXE_ROMID_MAJORVER. 724 PXE_UINT8 MinorVer; ///< PXE_ROMID_MINORVER. 725 PXE_UINT8 IFcntExt; ///< physical connector count upper byte. 726 PXE_UINT8 reserved; ///< zero, not used. 727 PXE_UINT32 Implementation; ///< implementation flags. 728 ///< reserved ///< vendor use. 729 ///< UINT32 Status; ///< status port. 730 ///< UINT32 Command; ///< command port. 731 ///< UINT64 CDBaddr; ///< CDB address port. 732 ///< 733 } PXE_HW_UNDI; 734 735 /// 736 /// Status port bit definitions. 737 /// 738 739 /// 740 /// UNDI operation state. 741 /// 742 #define PXE_HWSTAT_STATE_MASK 0xC0000000 743 #define PXE_HWSTAT_BUSY 0xC0000000 744 #define PXE_HWSTAT_INITIALIZED 0x80000000 745 #define PXE_HWSTAT_STARTED 0x40000000 746 #define PXE_HWSTAT_STOPPED 0x00000000 747 748 /// 749 /// If set, last command failed. 750 /// 751 #define PXE_HWSTAT_COMMAND_FAILED 0x20000000 752 753 /// 754 /// If set, identifies enabled receive filters. 755 /// 756 #define PXE_HWSTAT_PROMISCUOUS_MULTICAST_RX_ENABLED 0x00001000 757 #define PXE_HWSTAT_PROMISCUOUS_RX_ENABLED 0x00000800 758 #define PXE_HWSTAT_BROADCAST_RX_ENABLED 0x00000400 759 #define PXE_HWSTAT_MULTICAST_RX_ENABLED 0x00000200 760 #define PXE_HWSTAT_UNICAST_RX_ENABLED 0x00000100 761 762 /// 763 /// If set, identifies enabled external interrupts. 764 /// 765 #define PXE_HWSTAT_SOFTWARE_INT_ENABLED 0x00000080 766 #define PXE_HWSTAT_TX_COMPLETE_INT_ENABLED 0x00000040 767 #define PXE_HWSTAT_PACKET_RX_INT_ENABLED 0x00000020 768 #define PXE_HWSTAT_CMD_COMPLETE_INT_ENABLED 0x00000010 769 770 /// 771 /// If set, identifies pending interrupts. 772 /// 773 #define PXE_HWSTAT_SOFTWARE_INT_PENDING 0x00000008 774 #define PXE_HWSTAT_TX_COMPLETE_INT_PENDING 0x00000004 775 #define PXE_HWSTAT_PACKET_RX_INT_PENDING 0x00000002 776 #define PXE_HWSTAT_CMD_COMPLETE_INT_PENDING 0x00000001 777 778 /// 779 /// Command port definitions. 780 /// 781 782 /// 783 /// If set, CDB identified in CDBaddr port is given to UNDI. 784 /// If not set, other bits in this word will be processed. 785 /// 786 #define PXE_HWCMD_ISSUE_COMMAND 0x80000000 787 #define PXE_HWCMD_INTS_AND_FILTS 0x00000000 788 789 /// 790 /// Use these to enable/disable receive filters. 791 /// 792 #define PXE_HWCMD_PROMISCUOUS_MULTICAST_RX_ENABLE 0x00001000 793 #define PXE_HWCMD_PROMISCUOUS_RX_ENABLE 0x00000800 794 #define PXE_HWCMD_BROADCAST_RX_ENABLE 0x00000400 795 #define PXE_HWCMD_MULTICAST_RX_ENABLE 0x00000200 796 #define PXE_HWCMD_UNICAST_RX_ENABLE 0x00000100 797 798 /// 799 /// Use these to enable/disable external interrupts. 800 /// 801 #define PXE_HWCMD_SOFTWARE_INT_ENABLE 0x00000080 802 #define PXE_HWCMD_TX_COMPLETE_INT_ENABLE 0x00000040 803 #define PXE_HWCMD_PACKET_RX_INT_ENABLE 0x00000020 804 #define PXE_HWCMD_CMD_COMPLETE_INT_ENABLE 0x00000010 805 806 /// 807 /// Use these to clear pending external interrupts. 808 /// 809 #define PXE_HWCMD_CLEAR_SOFTWARE_INT 0x00000008 810 #define PXE_HWCMD_CLEAR_TX_COMPLETE_INT 0x00000004 811 #define PXE_HWCMD_CLEAR_PACKET_RX_INT 0x00000002 812 #define PXE_HWCMD_CLEAR_CMD_COMPLETE_INT 0x00000001 813 814 typedef struct s_pxe_sw_undi { 815 PXE_UINT32 Signature; ///< PXE_ROMID_SIGNATURE. 816 PXE_UINT8 Len; ///< sizeof(PXE_SW_UNDI). 817 PXE_UINT8 Fudge; ///< makes 8-bit cksum zero. 818 PXE_UINT8 Rev; ///< PXE_ROMID_REV. 819 PXE_UINT8 IFcnt; ///< physical connector count lower byte. 820 PXE_UINT8 MajorVer; ///< PXE_ROMID_MAJORVER. 821 PXE_UINT8 MinorVer; ///< PXE_ROMID_MINORVER. 822 PXE_UINT8 IFcntExt; ///< physical connector count upper byte. 823 PXE_UINT8 reserved1; ///< zero, not used. 824 PXE_UINT32 Implementation; ///< Implementation flags. 825 PXE_UINT64 EntryPoint; ///< API entry point. 826 PXE_UINT8 reserved2[3]; ///< zero, not used. 827 PXE_UINT8 BusCnt; ///< number of bustypes supported. 828 PXE_UINT32 BusType[1]; ///< list of supported bustypes. 829 } PXE_SW_UNDI; 830 831 typedef union u_pxe_undi { 832 PXE_HW_UNDI hw; 833 PXE_SW_UNDI sw; 834 } PXE_UNDI; 835 836 /// 837 /// Signature of !PXE structure. 838 /// 839 #define PXE_ROMID_SIGNATURE PXE_BUSTYPE ('!', 'P', 'X', 'E') 840 841 /// 842 /// !PXE structure format revision 843 ///. 844 #define PXE_ROMID_REV 0x02 845 846 /// 847 /// UNDI command interface revision. These are the values that get sent 848 /// in option 94 (Client Network Interface Identifier) in the DHCP Discover 849 /// and PXE Boot Server Request packets. 850 /// 851 #define PXE_ROMID_MAJORVER 0x03 852 #define PXE_ROMID_MINORVER 0x01 853 854 /// 855 /// Implementation flags. 856 /// 857 #define PXE_ROMID_IMP_HW_UNDI 0x80000000 858 #define PXE_ROMID_IMP_SW_VIRT_ADDR 0x40000000 859 #define PXE_ROMID_IMP_64BIT_DEVICE 0x00010000 860 #define PXE_ROMID_IMP_FRAG_SUPPORTED 0x00008000 861 #define PXE_ROMID_IMP_CMD_LINK_SUPPORTED 0x00004000 862 #define PXE_ROMID_IMP_CMD_QUEUE_SUPPORTED 0x00002000 863 #define PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED 0x00001000 864 #define PXE_ROMID_IMP_NVDATA_SUPPORT_MASK 0x00000C00 865 #define PXE_ROMID_IMP_NVDATA_BULK_WRITABLE 0x00000C00 866 #define PXE_ROMID_IMP_NVDATA_SPARSE_WRITABLE 0x00000800 867 #define PXE_ROMID_IMP_NVDATA_READ_ONLY 0x00000400 868 #define PXE_ROMID_IMP_NVDATA_NOT_AVAILABLE 0x00000000 869 #define PXE_ROMID_IMP_STATISTICS_SUPPORTED 0x00000200 870 #define PXE_ROMID_IMP_STATION_ADDR_SETTABLE 0x00000100 871 #define PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED 0x00000080 872 #define PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED 0x00000040 873 #define PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED 0x00000020 874 #define PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED 0x00000010 875 #define PXE_ROMID_IMP_SOFTWARE_INT_SUPPORTED 0x00000008 876 #define PXE_ROMID_IMP_TX_COMPLETE_INT_SUPPORTED 0x00000004 877 #define PXE_ROMID_IMP_PACKET_RX_INT_SUPPORTED 0x00000002 878 #define PXE_ROMID_IMP_CMD_COMPLETE_INT_SUPPORTED 0x00000001 879 880 typedef struct s_pxe_cdb { 881 PXE_OPCODE OpCode; 882 PXE_OPFLAGS OpFlags; 883 PXE_UINT16 CPBsize; 884 PXE_UINT16 DBsize; 885 PXE_UINT64 CPBaddr; 886 PXE_UINT64 DBaddr; 887 PXE_STATCODE StatCode; 888 PXE_STATFLAGS StatFlags; 889 PXE_UINT16 IFnum; 890 PXE_CONTROL Control; 891 } PXE_CDB; 892 893 typedef union u_pxe_ip_addr { 894 PXE_IPV6 IPv6; 895 PXE_IPV4 IPv4; 896 } PXE_IP_ADDR; 897 898 typedef union pxe_device { 899 /// 900 /// PCI and PC Card NICs are both identified using bus, device 901 /// and function numbers. For PC Card, this may require PC 902 /// Card services to be loaded in the BIOS or preboot 903 /// environment. 904 /// 905 struct { 906 /// 907 /// See S/W UNDI ROMID structure definition for PCI and 908 /// PCC BusType definitions. 909 /// 910 PXE_UINT32 BusType; 911 912 /// 913 /// Bus, device & function numbers that locate this device. 914 /// 915 PXE_UINT16 Bus; 916 PXE_UINT8 Device; 917 PXE_UINT8 Function; 918 } 919 PCI, PCC; 920 921 } PXE_DEVICE; 922 923 /// 924 /// cpb and db definitions 925 /// 926 #define MAX_PCI_CONFIG_LEN 64 ///< # of dwords. 927 #define MAX_EEPROM_LEN 128 ///< # of dwords. 928 #define MAX_XMIT_BUFFERS 32 ///< recycling Q length for xmit_done. 929 #define MAX_MCAST_ADDRESS_CNT 8 930 931 typedef struct s_pxe_cpb_start_30 { 932 /// 933 /// PXE_VOID Delay(UINTN microseconds); 934 /// 935 /// UNDI will never request a delay smaller than 10 microseconds 936 /// and will always request delays in increments of 10 microseconds. 937 /// The Delay() CallBack routine must delay between n and n + 10 938 /// microseconds before returning control to the UNDI. 939 /// 940 /// This field cannot be set to zero. 941 /// 942 UINT64 Delay; 943 944 /// 945 /// PXE_VOID Block(UINT32 enable); 946 /// 947 /// UNDI may need to block multi-threaded/multi-processor access to 948 /// critical code sections when programming or accessing the network 949 /// device. To this end, a blocking service is needed by the UNDI. 950 /// When UNDI needs a block, it will call Block() passing a non-zero 951 /// value. When UNDI no longer needs a block, it will call Block() 952 /// with a zero value. When called, if the Block() is already enabled, 953 /// do not return control to the UNDI until the previous Block() is 954 /// disabled. 955 /// 956 /// This field cannot be set to zero. 957 /// 958 UINT64 Block; 959 960 /// 961 /// PXE_VOID Virt2Phys(UINT64 virtual, UINT64 physical_ptr); 962 /// 963 /// UNDI will pass the virtual address of a buffer and the virtual 964 /// address of a 64-bit physical buffer. Convert the virtual address 965 /// to a physical address and write the result to the physical address 966 /// buffer. If virtual and physical addresses are the same, just 967 /// copy the virtual address to the physical address buffer. 968 /// 969 /// This field can be set to zero if virtual and physical addresses 970 /// are equal. 971 /// 972 UINT64 Virt2Phys; 973 /// 974 /// PXE_VOID Mem_IO(UINT8 read_write, UINT8 len, UINT64 port, 975 /// UINT64 buf_addr); 976 /// 977 /// UNDI will read or write the device io space using this call back 978 /// function. It passes the number of bytes as the len parameter and it 979 /// will be either 1,2,4 or 8. 980 /// 981 /// This field can not be set to zero. 982 /// 983 UINT64 Mem_IO; 984 } PXE_CPB_START_30; 985 986 typedef struct s_pxe_cpb_start_31 { 987 /// 988 /// PXE_VOID Delay(UINT64 UnqId, UINTN microseconds); 989 /// 990 /// UNDI will never request a delay smaller than 10 microseconds 991 /// and will always request delays in increments of 10 microseconds. 992 /// The Delay() CallBack routine must delay between n and n + 10 993 /// microseconds before returning control to the UNDI. 994 /// 995 /// This field cannot be set to zero. 996 /// 997 UINT64 Delay; 998 999 /// 1000 /// PXE_VOID Block(UINT64 unq_id, UINT32 enable); 1001 /// 1002 /// UNDI may need to block multi-threaded/multi-processor access to 1003 /// critical code sections when programming or accessing the network 1004 /// device. To this end, a blocking service is needed by the UNDI. 1005 /// When UNDI needs a block, it will call Block() passing a non-zero 1006 /// value. When UNDI no longer needs a block, it will call Block() 1007 /// with a zero value. When called, if the Block() is already enabled, 1008 /// do not return control to the UNDI until the previous Block() is 1009 /// disabled. 1010 /// 1011 /// This field cannot be set to zero. 1012 /// 1013 UINT64 Block; 1014 1015 /// 1016 /// PXE_VOID Virt2Phys(UINT64 UnqId, UINT64 virtual, UINT64 physical_ptr); 1017 /// 1018 /// UNDI will pass the virtual address of a buffer and the virtual 1019 /// address of a 64-bit physical buffer. Convert the virtual address 1020 /// to a physical address and write the result to the physical address 1021 /// buffer. If virtual and physical addresses are the same, just 1022 /// copy the virtual address to the physical address buffer. 1023 /// 1024 /// This field can be set to zero if virtual and physical addresses 1025 /// are equal. 1026 /// 1027 UINT64 Virt2Phys; 1028 /// 1029 /// PXE_VOID Mem_IO(UINT64 UnqId, UINT8 read_write, UINT8 len, UINT64 port, 1030 /// UINT64 buf_addr); 1031 /// 1032 /// UNDI will read or write the device io space using this call back 1033 /// function. It passes the number of bytes as the len parameter and it 1034 /// will be either 1,2,4 or 8. 1035 /// 1036 /// This field can not be set to zero. 1037 /// 1038 UINT64 Mem_IO; 1039 /// 1040 /// PXE_VOID Map_Mem(UINT64 unq_id, UINT64 virtual_addr, UINT32 size, 1041 /// UINT32 Direction, UINT64 mapped_addr); 1042 /// 1043 /// UNDI will pass the virtual address of a buffer, direction of the data 1044 /// flow from/to the mapped buffer (the constants are defined below) 1045 /// and a place holder (pointer) for the mapped address. 1046 /// This call will Map the given address to a physical DMA address and write 1047 /// the result to the mapped_addr pointer. If there is no need to 1048 /// map the given address to a lower address (i.e. the given address is 1049 /// associated with a physical address that is already compatible to be 1050 /// used with the DMA, it converts the given virtual address to it's 1051 /// physical address and write that in the mapped address pointer. 1052 /// 1053 /// This field can be set to zero if there is no mapping service available. 1054 /// 1055 UINT64 Map_Mem; 1056 1057 /// 1058 /// PXE_VOID UnMap_Mem(UINT64 unq_id, UINT64 virtual_addr, UINT32 size, 1059 /// UINT32 Direction, UINT64 mapped_addr); 1060 /// 1061 /// UNDI will pass the virtual and mapped addresses of a buffer. 1062 /// This call will un map the given address. 1063 /// 1064 /// This field can be set to zero if there is no unmapping service available. 1065 /// 1066 UINT64 UnMap_Mem; 1067 1068 /// 1069 /// PXE_VOID Sync_Mem(UINT64 unq_id, UINT64 virtual, 1070 /// UINT32 size, UINT32 Direction, UINT64 mapped_addr); 1071 /// 1072 /// UNDI will pass the virtual and mapped addresses of a buffer. 1073 /// This call will synchronize the contents of both the virtual and mapped. 1074 /// buffers for the given Direction. 1075 /// 1076 /// This field can be set to zero if there is no service available. 1077 /// 1078 UINT64 Sync_Mem; 1079 1080 /// 1081 /// protocol driver can provide anything for this Unique_ID, UNDI remembers 1082 /// that as just a 64bit value assocaited to the interface specified by 1083 /// the ifnum and gives it back as a parameter to all the call-back routines 1084 /// when calling for that interface! 1085 /// 1086 UINT64 Unique_ID; 1087 } PXE_CPB_START_31; 1088 1089 #define TO_AND_FROM_DEVICE 0 1090 #define FROM_DEVICE 1 1091 #define TO_DEVICE 2 1092 1093 #define PXE_DELAY_MILLISECOND 1000 1094 #define PXE_DELAY_SECOND 1000000 1095 #define PXE_IO_READ 0 1096 #define PXE_IO_WRITE 1 1097 #define PXE_MEM_READ 2 1098 #define PXE_MEM_WRITE 4 1099 1100 typedef struct s_pxe_db_get_init_info { 1101 /// 1102 /// Minimum length of locked memory buffer that must be given to 1103 /// the Initialize command. Giving UNDI more memory will generally 1104 /// give better performance. 1105 /// 1106 /// If MemoryRequired is zero, the UNDI does not need and will not 1107 /// use system memory to receive and transmit packets. 1108 /// 1109 PXE_UINT32 MemoryRequired; 1110 1111 /// 1112 /// Maximum frame data length for Tx/Rx excluding the media header. 1113 /// 1114 PXE_UINT32 FrameDataLen; 1115 1116 /// 1117 /// Supported link speeds are in units of mega bits. Common ethernet 1118 /// values are 10, 100 and 1000. Unused LinkSpeeds[] entries are zero 1119 /// filled. 1120 /// 1121 PXE_UINT32 LinkSpeeds[4]; 1122 1123 /// 1124 /// Number of non-volatile storage items. 1125 /// 1126 PXE_UINT32 NvCount; 1127 1128 /// 1129 /// Width of non-volatile storage item in bytes. 0, 1, 2 or 4 1130 /// 1131 PXE_UINT16 NvWidth; 1132 1133 /// 1134 /// Media header length. This is the typical media header length for 1135 /// this UNDI. This information is needed when allocating receive 1136 /// and transmit buffers. 1137 /// 1138 PXE_UINT16 MediaHeaderLen; 1139 1140 /// 1141 /// Number of bytes in the NIC hardware (MAC) address. 1142 /// 1143 PXE_UINT16 HWaddrLen; 1144 1145 /// 1146 /// Maximum number of multicast MAC addresses in the multicast 1147 /// MAC address filter list. 1148 /// 1149 PXE_UINT16 MCastFilterCnt; 1150 1151 /// 1152 /// Default number and size of transmit and receive buffers that will 1153 /// be allocated by the UNDI. If MemoryRequired is non-zero, this 1154 /// allocation will come out of the memory buffer given to the Initialize 1155 /// command. If MemoryRequired is zero, this allocation will come out of 1156 /// memory on the NIC. 1157 /// 1158 PXE_UINT16 TxBufCnt; 1159 PXE_UINT16 TxBufSize; 1160 PXE_UINT16 RxBufCnt; 1161 PXE_UINT16 RxBufSize; 1162 1163 /// 1164 /// Hardware interface types defined in the Assigned Numbers RFC 1165 /// and used in DHCP and ARP packets. 1166 /// See the PXE_IFTYPE typedef and PXE_IFTYPE_xxx macros. 1167 /// 1168 PXE_UINT8 IFtype; 1169 1170 /// 1171 /// Supported duplex. See PXE_DUPLEX_xxxxx #defines below. 1172 /// 1173 PXE_UINT8 SupportedDuplexModes; 1174 1175 /// 1176 /// Supported loopback options. See PXE_LOOPBACK_xxxxx #defines below. 1177 /// 1178 PXE_UINT8 SupportedLoopBackModes; 1179 } PXE_DB_GET_INIT_INFO; 1180 1181 #define PXE_MAX_TXRX_UNIT_ETHER 1500 1182 1183 #define PXE_HWADDR_LEN_ETHER 0x0006 1184 #define PXE_MAC_HEADER_LEN_ETHER 0x000E 1185 1186 #define PXE_DUPLEX_ENABLE_FULL_SUPPORTED 1 1187 #define PXE_DUPLEX_FORCE_FULL_SUPPORTED 2 1188 1189 #define PXE_LOOPBACK_INTERNAL_SUPPORTED 1 1190 #define PXE_LOOPBACK_EXTERNAL_SUPPORTED 2 1191 1192 typedef struct s_pxe_pci_config_info { 1193 /// 1194 /// This is the flag field for the PXE_DB_GET_CONFIG_INFO union. 1195 /// For PCI bus devices, this field is set to PXE_BUSTYPE_PCI. 1196 /// 1197 UINT32 BusType; 1198 1199 /// 1200 /// This identifies the PCI network device that this UNDI interface. 1201 /// is bound to. 1202 /// 1203 UINT16 Bus; 1204 UINT8 Device; 1205 UINT8 Function; 1206 1207 /// 1208 /// This is a copy of the PCI configuration space for this 1209 /// network device. 1210 /// 1211 union { 1212 UINT8 Byte[256]; 1213 UINT16 Word[128]; 1214 UINT32 Dword[64]; 1215 } Config; 1216 } PXE_PCI_CONFIG_INFO; 1217 1218 typedef struct s_pxe_pcc_config_info { 1219 /// 1220 /// This is the flag field for the PXE_DB_GET_CONFIG_INFO union. 1221 /// For PCC bus devices, this field is set to PXE_BUSTYPE_PCC. 1222 /// 1223 PXE_UINT32 BusType; 1224 1225 /// 1226 /// This identifies the PCC network device that this UNDI interface 1227 /// is bound to. 1228 /// 1229 PXE_UINT16 Bus; 1230 PXE_UINT8 Device; 1231 PXE_UINT8 Function; 1232 1233 /// 1234 /// This is a copy of the PCC configuration space for this 1235 /// network device. 1236 /// 1237 union { 1238 PXE_UINT8 Byte[256]; 1239 PXE_UINT16 Word[128]; 1240 PXE_UINT32 Dword[64]; 1241 } Config; 1242 } PXE_PCC_CONFIG_INFO; 1243 1244 typedef union u_pxe_db_get_config_info { 1245 PXE_PCI_CONFIG_INFO pci; 1246 PXE_PCC_CONFIG_INFO pcc; 1247 } PXE_DB_GET_CONFIG_INFO; 1248 1249 typedef struct s_pxe_cpb_initialize { 1250 /// 1251 /// Address of first (lowest) byte of the memory buffer. This buffer must 1252 /// be in contiguous physical memory and cannot be swapped out. The UNDI 1253 /// will be using this for transmit and receive buffering. 1254 /// 1255 PXE_UINT64 MemoryAddr; 1256 1257 /// 1258 /// MemoryLength must be greater than or equal to MemoryRequired 1259 /// returned by the Get Init Info command. 1260 /// 1261 PXE_UINT32 MemoryLength; 1262 1263 /// 1264 /// Desired link speed in Mbit/sec. Common ethernet values are 10, 100 1265 /// and 1000. Setting a value of zero will auto-detect and/or use the 1266 /// default link speed (operation depends on UNDI/NIC functionality). 1267 /// 1268 PXE_UINT32 LinkSpeed; 1269 1270 /// 1271 /// Suggested number and size of receive and transmit buffers to 1272 /// allocate. If MemoryAddr and MemoryLength are non-zero, this 1273 /// allocation comes out of the supplied memory buffer. If MemoryAddr 1274 /// and MemoryLength are zero, this allocation comes out of memory 1275 /// on the NIC. 1276 /// 1277 /// If these fields are set to zero, the UNDI will allocate buffer 1278 /// counts and sizes as it sees fit. 1279 /// 1280 PXE_UINT16 TxBufCnt; 1281 PXE_UINT16 TxBufSize; 1282 PXE_UINT16 RxBufCnt; 1283 PXE_UINT16 RxBufSize; 1284 1285 /// 1286 /// The following configuration parameters are optional and must be zero 1287 /// to use the default values. 1288 /// 1289 PXE_UINT8 DuplexMode; 1290 1291 PXE_UINT8 LoopBackMode; 1292 } PXE_CPB_INITIALIZE; 1293 1294 #define PXE_DUPLEX_DEFAULT 0x00 1295 #define PXE_FORCE_FULL_DUPLEX 0x01 1296 #define PXE_ENABLE_FULL_DUPLEX 0x02 1297 #define PXE_FORCE_HALF_DUPLEX 0x04 1298 #define PXE_DISABLE_FULL_DUPLEX 0x08 1299 1300 #define LOOPBACK_NORMAL 0 1301 #define LOOPBACK_INTERNAL 1 1302 #define LOOPBACK_EXTERNAL 2 1303 1304 typedef struct s_pxe_db_initialize { 1305 /// 1306 /// Actual amount of memory used from the supplied memory buffer. This 1307 /// may be less that the amount of memory suppllied and may be zero if 1308 /// the UNDI and network device do not use external memory buffers. 1309 /// 1310 /// Memory used by the UNDI and network device is allocated from the 1311 /// lowest memory buffer address. 1312 /// 1313 PXE_UINT32 MemoryUsed; 1314 1315 /// 1316 /// Actual number and size of receive and transmit buffers that were 1317 /// allocated. 1318 /// 1319 PXE_UINT16 TxBufCnt; 1320 PXE_UINT16 TxBufSize; 1321 PXE_UINT16 RxBufCnt; 1322 PXE_UINT16 RxBufSize; 1323 } PXE_DB_INITIALIZE; 1324 1325 typedef struct s_pxe_cpb_receive_filters { 1326 /// 1327 /// List of multicast MAC addresses. This list, if present, will 1328 /// replace the existing multicast MAC address filter list. 1329 /// 1330 PXE_MAC_ADDR MCastList[MAX_MCAST_ADDRESS_CNT]; 1331 } PXE_CPB_RECEIVE_FILTERS; 1332 1333 typedef struct s_pxe_db_receive_filters { 1334 /// 1335 /// Filtered multicast MAC address list. 1336 /// 1337 PXE_MAC_ADDR MCastList[MAX_MCAST_ADDRESS_CNT]; 1338 } PXE_DB_RECEIVE_FILTERS; 1339 1340 typedef struct s_pxe_cpb_station_address { 1341 /// 1342 /// If supplied and supported, the current station MAC address 1343 /// will be changed. 1344 /// 1345 PXE_MAC_ADDR StationAddr; 1346 } PXE_CPB_STATION_ADDRESS; 1347 1348 typedef struct s_pxe_dpb_station_address { 1349 /// 1350 /// Current station MAC address. 1351 /// 1352 PXE_MAC_ADDR StationAddr; 1353 1354 /// 1355 /// Station broadcast MAC address. 1356 /// 1357 PXE_MAC_ADDR BroadcastAddr; 1358 1359 /// 1360 /// Permanent station MAC address. 1361 /// 1362 PXE_MAC_ADDR PermanentAddr; 1363 } PXE_DB_STATION_ADDRESS; 1364 1365 typedef struct s_pxe_db_statistics { 1366 /// 1367 /// Bit field identifying what statistic data is collected by the 1368 /// UNDI/NIC. 1369 /// If bit 0x00 is set, Data[0x00] is collected. 1370 /// If bit 0x01 is set, Data[0x01] is collected. 1371 /// If bit 0x20 is set, Data[0x20] is collected. 1372 /// If bit 0x21 is set, Data[0x21] is collected. 1373 /// Etc. 1374 /// 1375 PXE_UINT64 Supported; 1376 1377 /// 1378 /// Statistic data. 1379 /// 1380 PXE_UINT64 Data[64]; 1381 } PXE_DB_STATISTICS; 1382 1383 /// 1384 /// Total number of frames received. Includes frames with errors and 1385 /// dropped frames. 1386 /// 1387 #define PXE_STATISTICS_RX_TOTAL_FRAMES 0x00 1388 1389 /// 1390 /// Number of valid frames received and copied into receive buffers. 1391 /// 1392 #define PXE_STATISTICS_RX_GOOD_FRAMES 0x01 1393 1394 /// 1395 /// Number of frames below the minimum length for the media. 1396 /// This would be <64 for ethernet. 1397 /// 1398 #define PXE_STATISTICS_RX_UNDERSIZE_FRAMES 0x02 1399 1400 /// 1401 /// Number of frames longer than the maxminum length for the 1402 /// media. This would be >1500 for ethernet. 1403 /// 1404 #define PXE_STATISTICS_RX_OVERSIZE_FRAMES 0x03 1405 1406 /// 1407 /// Valid frames that were dropped because receive buffers were full. 1408 /// 1409 #define PXE_STATISTICS_RX_DROPPED_FRAMES 0x04 1410 1411 /// 1412 /// Number of valid unicast frames received and not dropped. 1413 /// 1414 #define PXE_STATISTICS_RX_UNICAST_FRAMES 0x05 1415 1416 /// 1417 /// Number of valid broadcast frames received and not dropped. 1418 /// 1419 #define PXE_STATISTICS_RX_BROADCAST_FRAMES 0x06 1420 1421 /// 1422 /// Number of valid mutlicast frames received and not dropped. 1423 /// 1424 #define PXE_STATISTICS_RX_MULTICAST_FRAMES 0x07 1425 1426 /// 1427 /// Number of frames w/ CRC or alignment errors. 1428 /// 1429 #define PXE_STATISTICS_RX_CRC_ERROR_FRAMES 0x08 1430 1431 /// 1432 /// Total number of bytes received. Includes frames with errors 1433 /// and dropped frames. 1434 /// 1435 #define PXE_STATISTICS_RX_TOTAL_BYTES 0x09 1436 1437 /// 1438 /// Transmit statistics. 1439 /// 1440 #define PXE_STATISTICS_TX_TOTAL_FRAMES 0x0A 1441 #define PXE_STATISTICS_TX_GOOD_FRAMES 0x0B 1442 #define PXE_STATISTICS_TX_UNDERSIZE_FRAMES 0x0C 1443 #define PXE_STATISTICS_TX_OVERSIZE_FRAMES 0x0D 1444 #define PXE_STATISTICS_TX_DROPPED_FRAMES 0x0E 1445 #define PXE_STATISTICS_TX_UNICAST_FRAMES 0x0F 1446 #define PXE_STATISTICS_TX_BROADCAST_FRAMES 0x10 1447 #define PXE_STATISTICS_TX_MULTICAST_FRAMES 0x11 1448 #define PXE_STATISTICS_TX_CRC_ERROR_FRAMES 0x12 1449 #define PXE_STATISTICS_TX_TOTAL_BYTES 0x13 1450 1451 /// 1452 /// Number of collisions detection on this subnet. 1453 /// 1454 #define PXE_STATISTICS_COLLISIONS 0x14 1455 1456 /// 1457 /// Number of frames destined for unsupported protocol. 1458 /// 1459 #define PXE_STATISTICS_UNSUPPORTED_PROTOCOL 0x15 1460 1461 typedef struct s_pxe_cpb_mcast_ip_to_mac { 1462 /// 1463 /// Multicast IP address to be converted to multicast MAC address. 1464 /// 1465 PXE_IP_ADDR IP; 1466 } PXE_CPB_MCAST_IP_TO_MAC; 1467 1468 typedef struct s_pxe_db_mcast_ip_to_mac { 1469 /// 1470 /// Multicast MAC address. 1471 /// 1472 PXE_MAC_ADDR MAC; 1473 } PXE_DB_MCAST_IP_TO_MAC; 1474 1475 typedef struct s_pxe_cpb_nvdata_sparse { 1476 /// 1477 /// NvData item list. Only items in this list will be updated. 1478 /// 1479 struct { 1480 /// 1481 /// Non-volatile storage address to be changed. 1482 /// 1483 PXE_UINT32 Addr; 1484 1485 /// 1486 /// Data item to write into above storage address. 1487 /// 1488 union { 1489 PXE_UINT8 Byte; 1490 PXE_UINT16 Word; 1491 PXE_UINT32 Dword; 1492 } Data; 1493 } Item[MAX_EEPROM_LEN]; 1494 } PXE_CPB_NVDATA_SPARSE; 1495 1496 /// 1497 /// When using bulk update, the size of the CPB structure must be 1498 /// the same size as the non-volatile NIC storage. 1499 /// 1500 typedef union u_pxe_cpb_nvdata_bulk { 1501 /// 1502 /// Array of byte-wide data items. 1503 /// 1504 PXE_UINT8 Byte[MAX_EEPROM_LEN << 2]; 1505 1506 /// 1507 /// Array of word-wide data items. 1508 /// 1509 PXE_UINT16 Word[MAX_EEPROM_LEN << 1]; 1510 1511 /// 1512 /// Array of dword-wide data items. 1513 /// 1514 PXE_UINT32 Dword[MAX_EEPROM_LEN]; 1515 } PXE_CPB_NVDATA_BULK; 1516 1517 typedef struct s_pxe_db_nvdata { 1518 /// 1519 /// Arrays of data items from non-volatile storage. 1520 /// 1521 union { 1522 /// 1523 /// Array of byte-wide data items. 1524 /// 1525 PXE_UINT8 Byte[MAX_EEPROM_LEN << 2]; 1526 1527 /// 1528 /// Array of word-wide data items. 1529 /// 1530 PXE_UINT16 Word[MAX_EEPROM_LEN << 1]; 1531 1532 /// 1533 /// Array of dword-wide data items. 1534 /// 1535 PXE_UINT32 Dword[MAX_EEPROM_LEN]; 1536 } Data; 1537 } PXE_DB_NVDATA; 1538 1539 typedef struct s_pxe_db_get_status { 1540 /// 1541 /// Length of next receive frame (header + data). If this is zero, 1542 /// there is no next receive frame available. 1543 /// 1544 PXE_UINT32 RxFrameLen; 1545 1546 /// 1547 /// Reserved, set to zero. 1548 /// 1549 PXE_UINT32 reserved; 1550 1551 /// 1552 /// Addresses of transmitted buffers that need to be recycled. 1553 /// 1554 PXE_UINT64 TxBuffer[MAX_XMIT_BUFFERS]; 1555 } PXE_DB_GET_STATUS; 1556 1557 typedef struct s_pxe_cpb_fill_header { 1558 /// 1559 /// Source and destination MAC addresses. These will be copied into 1560 /// the media header without doing byte swapping. 1561 /// 1562 PXE_MAC_ADDR SrcAddr; 1563 PXE_MAC_ADDR DestAddr; 1564 1565 /// 1566 /// Address of first byte of media header. The first byte of packet data 1567 /// follows the last byte of the media header. 1568 /// 1569 PXE_UINT64 MediaHeader; 1570 1571 /// 1572 /// Length of packet data in bytes (not including the media header). 1573 /// 1574 PXE_UINT32 PacketLen; 1575 1576 /// 1577 /// Protocol type. This will be copied into the media header without 1578 /// doing byte swapping. Protocol type numbers can be obtained from 1579 /// the Assigned Numbers RFC 1700. 1580 /// 1581 PXE_UINT16 Protocol; 1582 1583 /// 1584 /// Length of the media header in bytes. 1585 /// 1586 PXE_UINT16 MediaHeaderLen; 1587 } PXE_CPB_FILL_HEADER; 1588 1589 #define PXE_PROTOCOL_ETHERNET_IP 0x0800 1590 #define PXE_PROTOCOL_ETHERNET_ARP 0x0806 1591 #define MAX_XMIT_FRAGMENTS 16 1592 1593 typedef struct s_pxe_cpb_fill_header_fragmented { 1594 /// 1595 /// Source and destination MAC addresses. These will be copied into 1596 /// the media header without doing byte swapping. 1597 /// 1598 PXE_MAC_ADDR SrcAddr; 1599 PXE_MAC_ADDR DestAddr; 1600 1601 /// 1602 /// Length of packet data in bytes (not including the media header). 1603 /// 1604 PXE_UINT32 PacketLen; 1605 1606 /// 1607 /// Protocol type. This will be copied into the media header without 1608 /// doing byte swapping. Protocol type numbers can be obtained from 1609 /// the Assigned Numbers RFC 1700. 1610 /// 1611 PXE_MEDIA_PROTOCOL Protocol; 1612 1613 /// 1614 /// Length of the media header in bytes. 1615 /// 1616 PXE_UINT16 MediaHeaderLen; 1617 1618 /// 1619 /// Number of packet fragment descriptors. 1620 /// 1621 PXE_UINT16 FragCnt; 1622 1623 /// 1624 /// Reserved, must be set to zero. 1625 /// 1626 PXE_UINT16 reserved; 1627 1628 /// 1629 /// Array of packet fragment descriptors. The first byte of the media 1630 /// header is the first byte of the first fragment. 1631 /// 1632 struct { 1633 /// 1634 /// Address of this packet fragment. 1635 /// 1636 PXE_UINT64 FragAddr; 1637 1638 /// 1639 /// Length of this packet fragment. 1640 /// 1641 PXE_UINT32 FragLen; 1642 1643 /// 1644 /// Reserved, must be set to zero. 1645 /// 1646 PXE_UINT32 reserved; 1647 } FragDesc[MAX_XMIT_FRAGMENTS]; 1648 } 1649 PXE_CPB_FILL_HEADER_FRAGMENTED; 1650 1651 typedef struct s_pxe_cpb_transmit { 1652 /// 1653 /// Address of first byte of frame buffer. This is also the first byte 1654 /// of the media header. 1655 /// 1656 PXE_UINT64 FrameAddr; 1657 1658 /// 1659 /// Length of the data portion of the frame buffer in bytes. Do not 1660 /// include the length of the media header. 1661 /// 1662 PXE_UINT32 DataLen; 1663 1664 /// 1665 /// Length of the media header in bytes. 1666 /// 1667 PXE_UINT16 MediaheaderLen; 1668 1669 /// 1670 /// Reserved, must be zero. 1671 /// 1672 PXE_UINT16 reserved; 1673 } PXE_CPB_TRANSMIT; 1674 1675 typedef struct s_pxe_cpb_transmit_fragments { 1676 /// 1677 /// Length of packet data in bytes (not including the media header). 1678 /// 1679 PXE_UINT32 FrameLen; 1680 1681 /// 1682 /// Length of the media header in bytes. 1683 /// 1684 PXE_UINT16 MediaheaderLen; 1685 1686 /// 1687 /// Number of packet fragment descriptors. 1688 /// 1689 PXE_UINT16 FragCnt; 1690 1691 /// 1692 /// Array of frame fragment descriptors. The first byte of the first 1693 /// fragment is also the first byte of the media header. 1694 /// 1695 struct { 1696 /// 1697 /// Address of this frame fragment. 1698 /// 1699 PXE_UINT64 FragAddr; 1700 1701 /// 1702 /// Length of this frame fragment. 1703 /// 1704 PXE_UINT32 FragLen; 1705 1706 /// 1707 /// Reserved, must be set to zero. 1708 /// 1709 PXE_UINT32 reserved; 1710 } FragDesc[MAX_XMIT_FRAGMENTS]; 1711 } 1712 PXE_CPB_TRANSMIT_FRAGMENTS; 1713 1714 typedef struct s_pxe_cpb_receive { 1715 /// 1716 /// Address of first byte of receive buffer. This is also the first byte 1717 /// of the frame header. 1718 /// 1719 PXE_UINT64 BufferAddr; 1720 1721 /// 1722 /// Length of receive buffer. This must be large enough to hold the 1723 /// received frame (media header + data). If the length of smaller than 1724 /// the received frame, data will be lost. 1725 /// 1726 PXE_UINT32 BufferLen; 1727 1728 /// 1729 /// Reserved, must be set to zero. 1730 /// 1731 PXE_UINT32 reserved; 1732 } PXE_CPB_RECEIVE; 1733 1734 typedef struct s_pxe_db_receive { 1735 /// 1736 /// Source and destination MAC addresses from media header. 1737 /// 1738 PXE_MAC_ADDR SrcAddr; 1739 PXE_MAC_ADDR DestAddr; 1740 1741 /// 1742 /// Length of received frame. May be larger than receive buffer size. 1743 /// The receive buffer will not be overwritten. This is how to tell 1744 /// if data was lost because the receive buffer was too small. 1745 /// 1746 PXE_UINT32 FrameLen; 1747 1748 /// 1749 /// Protocol type from media header. 1750 /// 1751 PXE_MEDIA_PROTOCOL Protocol; 1752 1753 /// 1754 /// Length of media header in received frame. 1755 /// 1756 PXE_UINT16 MediaHeaderLen; 1757 1758 /// 1759 /// Type of receive frame. 1760 /// 1761 PXE_FRAME_TYPE Type; 1762 1763 /// 1764 /// Reserved, must be zero. 1765 /// 1766 PXE_UINT8 reserved[7]; 1767 1768 } PXE_DB_RECEIVE; 1769 1770 #pragma pack() 1771 1772 #endif 1773