com32/include/syslinux/pxe.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   Permission is hereby granted, free of charge, to any person
   6  *   obtaining a copy of this software and associated documentation
   7  *   files (the "Software"), to deal in the Software without
   8  *   restriction, including without limitation the rights to use,
   9  *   copy, modify, merge, publish, distribute, sublicense, and/or
  10  *   sell copies of the Software, and to permit persons to whom
  11  *   the Software is furnished to do so, subject to the following
  12  *   conditions:
  13  *
  14  *   The above copyright notice and this permission notice shall
  15  *   be included in all copies or substantial portions of the Software.
  16  *
  17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  *   OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * ----------------------------------------------------------------------- */
  27
  28 /*
  29  * syslinux/pxe.h
  30  *
  31  * PXE definitions and function prototypes for SYSLINUX
  32  */
  33
  34 #ifndef _SYSLINUX_PXE_H
  35 #define _SYSLINUX_PXE_H
  36
  37 #include <stdint.h>
  38 #include <netinet/in.h>
  39 #include <klibc/compiler.h>
  40 #include <com32.h>
  41
  42 /* PXE spec structures and definitions.  These mostly follow the PXE
  43    spec, except when the PXE spec is unnecessarily stupid.  Of course,
  44    that is most of the time. */
  45
  46 /* Basic types; use Unix-like _t convention instead of SCREAMING; also
  47    re-use types we already have, like in_addr_t. */
  48
  49 typedef uint16_t pxenv_status_t;
  50
  51 #define MAC_ADDR_LEN    16
  52 typedef uint8_t mac_addr_t[MAC_ADDR_LEN];
  53
  54 /* "Protected mode segment descriptor" according to PXE... */
  55 typedef struct {
  56     uint16_t segaddr;
  57     uint32_t physaddr;
  58     uint16_t segsize;
  59 } __packed pxe_segdesc_t;
  60
  61 typedef far_ptr_t segoff16_t;
  62
  63 typedef struct {
  64     uint8_t opcode;
  65 #define BOOTP_REQ 1
  66 #define BOOTP_REP 2
  67     uint8_t Hardware;
  68     uint8_t Hardlen;
  69     uint8_t Gatehops;
  70     uint32_t ident;
  71     uint16_t seconds;
  72     uint16_t Flags;
  73 #define BOOTP_BCAST 0x8000
  74     in_addr_t cip;              /* Client IP address */
  75     in_addr_t yip;              /* You IP address */
  76     in_addr_t sip;              /* next server IP address */
  77     in_addr_t gip;              /*relay agent IP address */
  78     mac_addr_t CAddr;
  79     uint8_t Sname[64];
  80     uint8_t bootfile[128];
  81     union {
  82 #define BOOTP_DHCPVEND 1024
  83         uint8_t d[BOOTP_DHCPVEND];
  84         struct {
  85             uint8_t magic[4];
  86 #define VM_RFC1048 0x63825363L
  87             uint32_t flags;
  88             uint8_t pad[56];
  89         } v;
  90     } vendor;
  91 } __packed pxe_bootp_t;
  92
  93 /* Function calling structures and constants */
  94
  95 typedef struct s_PXENV_GET_CACHED_INFO {
  96     pxenv_status_t Status;
  97     uint16_t PacketType;
  98 #define PXENV_PACKET_TYPE_DHCP_DISCOVER 1
  99 #define PXENV_PACKET_TYPE_DHCP_ACK 2
 100 #define PXENV_PACKET_TYPE_CACHED_REPLY 3
 101     uint16_t BufferSize;
 102     segoff16_t Buffer;
 103     uint16_t BufferLimit;
 104 } __packed t_PXENV_GET_CACHED_INFO;
 105
 106 typedef struct s_PXENV_START_UNDI {
 107     pxenv_status_t Status;
 108     uint16_t AX;
 109     uint16_t BX;
 110     uint16_t DX;
 111     uint16_t DI;
 112     uint16_t ES;
 113 } __packed t_PXENV_START_UNDI;
 114
 115 typedef struct s_PXENV_STOP_UNDI {
 116     pxenv_status_t Status;
 117 } __packed t_PXENV_STOP_UNDI;
 118
 119 typedef struct s_PXENV_START_BASE {
 120     pxenv_status_t Status;
 121 } __packed t_PXENV_START_BASE;
 122
 123 typedef struct s_PXENV_STOP_BASE {
 124     pxenv_status_t Status;
 125 } __packed t_PXENV_STOP_BASE;
 126
 127 typedef struct s_PXENV_TFTP_OPEN {
 128     pxenv_status_t Status;
 129     in_addr_t ServerIPAddress;
 130     in_addr_t GatewayIPAddress;
 131     uint8_t FileName[128];
 132     in_port_t TFTPPort;
 133     uint16_t PacketSize;
 134 } __packed t_PXENV_TFTP_OPEN;
 135
 136 typedef struct s_PXENV_TFTP_CLOSE {
 137     pxenv_status_t Status;
 138 } __packed t_PXENV_TFTP_CLOSE;
 139
 140 typedef struct s_PXENV_TFTP_READ {
 141     pxenv_status_t Status;
 142     uint16_t PacketNumber;
 143     uint16_t BufferSize;
 144     segoff16_t Buffer;
 145 } __packed t_PXENV_TFTP_READ;
 146
 147 typedef struct s_PXENV_TFTP_READ_FILE {
 148     pxenv_status_t Status;
 149     uint8_t FileName[128];
 150     uint32_t BufferSize;
 151     void *Buffer;
 152     in_addr_t ServerIPAddress;
 153     in_addr_t GatewayIPAddress;
 154     in_addr_t McastIPAddress;
 155     in_port_t TFTPClntPort;
 156     in_port_t TFTPSrvPort;
 157     uint16_t TFTPOpenTimeOut;
 158     uint16_t TFTPReopenDelay;
 159 } __packed t_PXENV_TFTP_READ_FILE;
 160
 161 typedef struct s_PXENV_TFTP_GET_FSIZE {
 162     pxenv_status_t Status;
 163     in_addr_t ServerIPAddress;
 164     in_addr_t GatewayIPAddress;
 165     uint8_t FileName[128];
 166     uint32_t FileSize;
 167 } __packed t_PXENV_TFTP_GET_FSIZE;
 168
 169 typedef struct s_PXENV_UDP_OPEN {
 170     pxenv_status_t status;
 171     in_addr_t src_ip;
 172 } __packed t_PXENV_UDP_OPEN;
 173
 174 typedef struct s_PXENV_UDP_CLOSE {
 175     pxenv_status_t status;
 176 } __packed t_PXENV_UDP_CLOSE;
 177
 178 typedef struct s_PXENV_UDP_WRITE {
 179     pxenv_status_t status;
 180     in_addr_t ip;
 181     in_addr_t gw;
 182     in_port_t src_port;
 183     in_port_t dst_port;
 184     uint16_t buffer_size;
 185     segoff16_t buffer;
 186 } __packed t_PXENV_UDP_WRITE;
 187
 188 typedef struct s_PXENV_UDP_READ {
 189     pxenv_status_t status;
 190     in_addr_t src_ip;
 191     in_addr_t dest_ip;
 192     in_port_t s_port;
 193     in_port_t d_port;
 194     uint16_t buffer_size;
 195     segoff16_t buffer;
 196 } __packed t_PXENV_UDP_READ;
 197
 198 typedef struct s_PXENV_UNDI_STARTUP {
 199     pxenv_status_t Status;
 200 } __packed t_PXENV_UNDI_STARTUP;
 201
 202 typedef struct s_PXENV_UNDI_CLEANUP {
 203     pxenv_status_t Status;
 204 } __packed t_PXENV_UNDI_CLEANUP;
 205
 206 typedef struct s_PXENV_UNDI_INITIALIZE {
 207     pxenv_status_t Status;
 208     void *ProtocolIni;
 209     uint8_t reserved[8];
 210 } __packed t_PXENV_UNDI_INITIALIZE;
 211
 212 #define MAXNUM_MCADDR 8
 213 typedef struct s_PXENV_UNDI_MCAST_ADDRESS {
 214     uint16_t MCastAddrCount;
 215     mac_addr_t McastAddr[MAXNUM_MCADDR];
 216 } __packed t_PXENV_UNDI_MCAST_ADDRESS;
 217
 218 typedef struct s_PXENV_UNDI_RESET {
 219     pxenv_status_t Status;
 220     t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
 221 } __packed t_PXENV_UNDI_RESET;
 222
 223 typedef struct s_PXENV_UNDI_SHUTDOWN {
 224     pxenv_status_t Status;
 225 } __packed t_PXENV_UNDI_SHUTDOWN;
 226
 227 typedef struct s_PXENV_UNDI_OPEN {
 228     pxenv_status_t Status;
 229     uint16_t OpenFlag;
 230     uint16_t PktFilter;
 231 #define FLTR_DIRECTED 0x0001
 232 #define FLTR_BRDCST 0x0002
 233 #define FLTR_PRMSCS 0x0004
 234 #define FLTR_SRC_RTG 0x0008
 235      t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
 236 } __packed t_PXENV_UNDI_OPEN;
 237
 238 typedef struct s_PXENV_UNDI_CLOSE {
 239     pxenv_status_t Status;
 240 } __packed t_PXENV_UNDI_CLOSE;
 241
 242 typedef struct s_PXENV_UNDI_TRANSMIT {
 243     pxenv_status_t Status;
 244     uint8_t Protocol;
 245 #define P_UNKNOWN 0
 246 #define P_IP 1
 247 #define P_ARP 2
 248 #define P_RARP 3
 249     uint8_t XmitFlag;
 250 #define XMT_DESTADDR 0x0000
 251 #define XMT_BROADCAST 0x0001
 252     segoff16_t DestAddr;
 253     segoff16_t TBD;
 254     uint32_t Reserved[2];
 255 } __packed t_PXENV_UNDI_TRANSMIT;
 256 #define MAX_DATA_BLKS 8
 257 typedef struct s_PXENV_UNDI_TBD {
 258     uint16_t ImmedLength;
 259     segoff16_t Xmit;
 260     uint16_t DataBlkCount;
 261     struct DataBlk {
 262         uint8_t TDPtrType;
 263         uint8_t TDRsvdByte;
 264         uint16_t TDDataLen;
 265         segoff16_t TDDataPtr;
 266     } DataBlock[MAX_DATA_BLKS];
 267 } __packed t_PXENV_UNDI_TBD;
 268
 269 typedef struct s_PXENV_UNDI_SET_MCAST_ADDRESS {
 270     pxenv_status_t Status;
 271      t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
 272 } __packed t_PXENV_UNDI_SET_MCAST_ADDR;
 273
 274 typedef struct s_PXENV_UNDI_SET_STATION_ADDRESS {
 275     pxenv_status_t Status;
 276     mac_addr_t StationAddress;
 277 } __packed t_PXENV_UNDI_SET_STATION_ADDR;
 278
 279 typedef struct s_PXENV_UNDI_SET_PACKET_FILTER {
 280     pxenv_status_t Status;
 281     uint8_t filter;
 282 } __packed t_PXENV_UNDI_SET_PACKET_FILTER;
 283
 284 typedef struct s_PXENV_UNDI_GET_INFORMATION {
 285     pxenv_status_t Status;
 286     uint16_t BaseIo;
 287     uint16_t IntNumber;
 288     uint16_t MaxTranUnit;
 289     uint16_t HwType;
 290 #define ETHER_TYPE 1
 291 #define EXP_ETHER_TYPE 2
 292 #define IEEE_TYPE 6
 293 #define ARCNET_TYPE 7
 294     uint16_t HwAddrLen;
 295     mac_addr_t CurrentNodeAddress;
 296     mac_addr_t PermNodeAddress;
 297     uint16_t ROMAddress;
 298     uint16_t RxBufCt;
 299     uint16_t TxBufCt;
 300 } __packed t_PXENV_UNDI_GET_INFORMATION;
 301
 302 typedef struct s_PXENV_UNDI_GET_STATISTICS {
 303     pxenv_status_t Status;
 304     uint32_t XmtGoodFrames;
 305     uint32_t RcvGoodFrames;
 306     uint32_t RcvCRCErrors;
 307     uint32_t RcvResourceErrors;
 308 } __packed t_PXENV_UNDI_GET_STATISTICS;
 309
 310 typedef struct s_PXENV_UNDI_CLEAR_STATISTICS {
 311     pxenv_status_t Status;
 312 } __packed t_PXENV_UNDI_CLEAR_STATISTICS;
 313
 314 typedef struct s_PXENV_UNDI_INITIATE_DIAGS {
 315     pxenv_status_t Status;
 316 } __packed t_PXENV_UNDI_INITIATE_DIAGS;
 317
 318 typedef struct s_PXENV_UNDI_FORCE_INTERRUPT {
 319     pxenv_status_t Status;
 320 } __packed t_PXENV_UNDI_FORCE_INTERRUPT;
 321
 322 typedef struct s_PXENV_UNDI_GET_MCAST_ADDRESS {
 323     pxenv_status_t Status;
 324     in_addr_t InetAddr;
 325     mac_addr_t MediaAddr;
 326 } __packed t_PXENV_UNDI_GET_MCAST_ADDR;
 327
 328 typedef struct s_PXENV_UNDI_GET_NIC_TYPE {
 329     pxenv_status_t Status;
 330     uint8_t NicType;
 331 #define PCI_NIC 2
 332 #define PnP_NIC 3
 333 #define CardBus_NIC 4
 334     union {
 335         struct {
 336             uint16_t Vendor_ID;
 337             uint16_t Dev_ID;
 338             uint8_t Base_Class;
 339             uint8_t Sub_Class;
 340             uint8_t Prog_Intf;
 341             uint8_t Rev;
 342             uint16_t BusDevFunc;
 343             uint16_t SubVendor_ID;
 344             uint16_t SubDevice_ID;
 345         } pci, cardbus;
 346         struct {
 347             uint32_t EISA_Dev_ID;
 348             uint8_t Base_Class;
 349             uint8_t Sub_Class;
 350             uint8_t Prog_Intf;
 351             uint16_t CardSelNum;
 352         } __packed pnp;
 353     } __packed info;
 354 } __packed t_PXENV_UNDI_GET_NIC_TYPE;
 355
 356 typedef struct s_PXENV_UNDI_GET_IFACE_INFO {
 357     pxenv_status_t Status;
 358     uint8_t IfaceType[16];
 359     uint32_t LinkSpeed;
 360     uint32_t ServiceFlags;
 361     uint32_t Reserved[4];
 362 } __packed t_PXENV_UNDI_GET_NDIS_INFO;
 363
 364 typedef struct s_PXENV_UNDI_GET_STATE {
 365 #define PXE_UNDI_GET_STATE_STARTED 1
 366 #define PXE_UNDI_GET_STATE_INITIALIZED 2
 367 #define PXE_UNDI_GET_STATE_OPENED 3
 368     pxenv_status_t Status;
 369     uint8_t UNDIstate;
 370 } __packed t_PXENV_UNDI_GET_STATE;
 371
 372 typedef struct s_PXENV_UNDI_ISR {
 373     pxenv_status_t Status;
 374     uint16_t FuncFlag;
 375     uint16_t BufferLength;
 376     uint16_t FrameLength;
 377     uint16_t FrameHeaderLength;
 378     segoff16_t Frame;
 379     uint8_t ProtType;
 380     uint8_t PktType;
 381 } __packed t_PXENV_UNDI_ISR;
 382 #define PXENV_UNDI_ISR_IN_START 1
 383 #define PXENV_UNDI_ISR_IN_PROCESS 2
 384 #define PXENV_UNDI_ISR_IN_GET_NEXT 3
 385 /* One of these will be returned for
 386    PXENV_UNDI_ISR_IN_START */
 387 #define PXENV_UNDI_ISR_OUT_OURS 0
 388 #define PXENV_UNDI_USR_OUT_NOT_OURS 1
 389 /* One of these will be returned for
 390    PXENV_UNDI_ISR_IN_PROCESS and
 391    PXENV_UNDI_ISR_IN_GET_NEXT */
 392 #define PXENV_UNDI_ISR_OUT_DONE 0
 393 #define PXENV_UNDI_ISR_OUT_TRANSMIT 2
 394 #define PXENV_UNDI_ISR_OUT_RECEIVE 3
 395 #define PXENV_UNDI_ISR_OUT_BUSY 4
 396
 397 /* Function numbers and error codes */
 398
 399 #define PXENV_TFTP_OPEN                 0x0020
 400 #define PXENV_TFTP_CLOSE                0x0021
 401 #define PXENV_TFTP_READ                 0x0022
 402 #define PXENV_TFTP_READ_FILE            0x0023
 403 #define PXENV_TFTP_READ_FILE_PMODE      0x0024
 404 #define PXENV_TFTP_GET_FSIZE            0x0025
 405
 406 #define PXENV_UDP_OPEN                  0x0030
 407 #define PXENV_UDP_CLOSE                 0x0031
 408 #define PXENV_UDP_READ                  0x0032
 409 #define PXENV_UDP_WRITE                 0x0033
 410
 411 #define PXENV_START_UNDI                0x0000
 412 #define PXENV_UNDI_STARTUP              0x0001
 413 #define PXENV_UNDI_CLEANUP              0x0002
 414 #define PXENV_UNDI_INITIALIZE           0x0003
 415 #define PXENV_UNDI_RESET_NIC            0x0004
 416 #define PXENV_UNDI_SHUTDOWN             0x0005
 417 #define PXENV_UNDI_OPEN                 0x0006
 418 #define PXENV_UNDI_CLOSE                0x0007
 419 #define PXENV_UNDI_TRANSMIT             0x0008
 420 #define PXENV_UNDI_SET_MCAST_ADDR       0x0009
 421 #define PXENV_UNDI_SET_STATION_ADDR     0x000A
 422 #define PXENV_UNDI_SET_PACKET_FILTER    0x000B
 423 #define PXENV_UNDI_GET_INFORMATION      0x000C
 424 #define PXENV_UNDI_GET_STATISTICS       0x000D
 425 #define PXENV_UNDI_CLEAR_STATISTICS     0x000E
 426 #define PXENV_UNDI_INITIATE_DIAGS       0x000F
 427 #define PXENV_UNDI_FORCE_INTERRUPT      0x0010
 428 #define PXENV_UNDI_GET_MCAST_ADDR       0x0011
 429 #define PXENV_UNDI_GET_NIC_TYPE         0x0012
 430 #define PXENV_UNDI_GET_IFACE_INFO       0x0013
 431 #define PXENV_UNDI_ISR                  0x0014
 432 #define PXENV_STOP_UNDI                 0x0015  /* Overlap...? */
 433 #define PXENV_UNDI_GET_STATE            0x0015  /* Overlap...? */
 434
 435 #define PXENV_UNLOAD_STACK              0x0070
 436 #define PXENV_GET_CACHED_INFO           0x0071
 437 #define PXENV_RESTART_DHCP              0x0072
 438 #define PXENV_RESTART_TFTP              0x0073
 439 #define PXENV_MODE_SWITCH               0x0074
 440 #define PXENV_START_BASE                0x0075
 441 #define PXENV_STOP_BASE                 0x0076
 442
 443 #define PXENV_EXIT_SUCCESS 0x0000
 444 #define PXENV_EXIT_FAILURE 0x0001
 445
 446 #define PXENV_STATUS_SUCCESS 0x00
 447 #define PXENV_STATUS_FAILURE 0x01
 448 #define PXENV_STATUS_BAD_FUNC 0x02
 449 #define PXENV_STATUS_UNSUPPORTED 0x03
 450 #define PXENV_STATUS_KEEP_UNDI 0x04
 451 #define PXENV_STATUS_KEEP_ALL 0x05
 452 #define PXENV_STATUS_OUT_OF_RESOURCES 0x06
 453 #define PXENV_STATUS_ARP_TIMEOUT 0x11
 454 #define PXENV_STATUS_UDP_CLOSED 0x18
 455 #define PXENV_STATUS_UDP_OPEN 0x19
 456 #define PXENV_STATUS_TFTP_CLOSED 0x1A
 457 #define PXENV_STATUS_TFTP_OPEN 0x1B
 458 #define PXENV_STATUS_MCOPY_PROBLEM 0x20
 459 #define PXENV_STATUS_BIS_INTEGRITY_FAILURE 0x21
 460 #define PXENV_STATUS_BIS_VALIDATE_FAILURE 0x22
 461 #define PXENV_STATUS_BIS_INIT_FAILURE 0x23
 462 #define PXENV_STATUS_BIS_SHUTDOWN_FAILURE 0x24
 463 #define PXENV_STATUS_BIS_GBOA_FAILURE 0x25
 464 #define PXENV_STATUS_BIS_FREE_FAILURE 0x26
 465 #define PXENV_STATUS_BIS_GSI_FAILURE 0x27
 466 #define PXENV_STATUS_BIS_BAD_CKSUM 0x28
 467 #define PXENV_STATUS_TFTP_CANNOT_ARP_ADDRESS 0x30
 468 #define PXENV_STATUS_TFTP_OPEN_TIMEOUT 0x32
 469
 470 #define PXENV_STATUS_TFTP_UNKNOWN_OPCODE 0x33
 471 #define PXENV_STATUS_TFTP_READ_TIMEOUT 0x35
 472 #define PXENV_STATUS_TFTP_ERROR_OPCODE 0x36
 473 #define PXENV_STATUS_TFTP_CANNOT_OPEN_CONNECTION 0x38
 474 #define PXENV_STATUS_TFTP_CANNOT_READ_FROM_CONNECTION 0x39
 475 #define PXENV_STATUS_TFTP_TOO_MANY_PACKAGES 0x3A
 476 #define PXENV_STATUS_TFTP_FILE_NOT_FOUND 0x3B
 477 #define PXENV_STATUS_TFTP_ACCESS_VIOLATION 0x3C
 478 #define PXENV_STATUS_TFTP_NO_MCAST_ADDRESS 0x3D
 479 #define PXENV_STATUS_TFTP_NO_FILESIZE 0x3E
 480 #define PXENV_STATUS_TFTP_INVALID_PACKET_SIZE 0x3F
 481 #define PXENV_STATUS_DHCP_TIMEOUT 0x51
 482 #define PXENV_STATUS_DHCP_NO_IP_ADDRESS 0x52
 483 #define PXENV_STATUS_DHCP_NO_BOOTFILE_NAME 0x53
 484 #define PXENV_STATUS_DHCP_BAD_IP_ADDRESS 0x54
 485 #define PXENV_STATUS_UNDI_INVALID_FUNCTION 0x60
 486 #define PXENV_STATUS_UNDI_MEDIATEST_FAILED 0x61
 487 #define PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST 0x62
 488 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC 0x63
 489 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY 0x64
 490 #define PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA 0x65
 491 #define PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA 0x66
 492 #define PXENV_STATUS_UNDI_BAD_MAC_ADDRESS 0x67
 493 #define PXENV_STATUS_UNDI_BAD_EEPROM_CHECKSUM 0x68
 494 #define PXENV_STATUS_UNDI_ERROR_SETTING_ISR 0x69
 495 #define PXENV_STATUS_UNDI_INVALID_STATE 0x6A
 496 #define PXENV_STATUS_UNDI_TRANSMIT_ERROR 0x6B
 497 #define PXENV_STATUS_UNDI_INVALID_PARAMETER 0x6C
 498 #define PXENV_STATUS_BSTRAP_PROMPT_MENU 0x74
 499 #define PXENV_STATUS_BSTRAP_MCAST_ADDR 0x76
 500 #define PXENV_STATUS_BSTRAP_MISSING_LIST 0x77
 501 #define PXENV_STATUS_BSTRAP_NO_RESPONSE 0x78
 502 #define PXENV_STATUS_BSTRAP_FILE_TOO_BIG 0x79
 503 #define PXENV_STATUS_BINL_CANCELED_BY_KEYSTROKE 0xA0
 504 #define PXENV_STATUS_BINL_NO_PXE_SERVER 0xA1
 505 #define PXENV_STATUS_NOT_AVAILABLE_IN_PMODE 0xA2
 506 #define PXENV_STATUS_NOT_AVAILABLE_IN_RMODE 0xA3
 507 #define PXENV_STATUS_BUSD_DEVICE_NOT_SUPPORTED 0xB0
 508 #define PXENV_STATUS_LOADER_NO_FREE_BASE_MEMORY 0xC0
 509 #define PXENV_STATUS_LOADER_NO_BC_ROMID 0xC1
 510 #define PXENV_STATUS_LOADER_BAD_BC_ROMID 0xC2
 511 #define PXENV_STATUS_LOADER_BAD_BC_RUNTIME_IMAGE 0xC3
 512 #define PXENV_STATUS_LOADER_NO_UNDI_ROMID 0xC4
 513 #define PXENV_STATUS_LOADER_BAD_UNDI_ROMID 0xC5
 514 #define PXENV_STATUS_LOADER_BAD_UNDI_DRIVER_IMAGE 0xC6
 515 #define PXENV_STATUS_LOADER_NO_PXE_STRUCT 0xC8
 516 #define PXENV_STATUS_LOADER_NO_PXENV_STRUCT 0xC9
 517 #define PXENV_STATUS_LOADER_UNDI_START 0xCA
 518 #define PXENV_STATUS_LOADER_BC_START 0xCB
 519
 520 /* SYSLINUX-defined PXE utility functions */
 521 int pxe_get_cached_info(int level, void **buf, size_t * len);
 522 int pxe_get_nic_type(t_PXENV_UNDI_GET_NIC_TYPE * gnt);
 523 uint32_t pxe_dns(const char *hostname);
 524
 525 #endif /* _SYSLINUX_PXE_H */