Annotation of sys/arch/i386/stand/libsa/pxe.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pxe.h,v 1.2 2004/09/20 17:51:07 miod Exp $ */
! 2: /* $NetBSD: pxe.h,v 1.1 2002/02/16 03:37:40 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 2000 Alfred Perlstein <alfred@freebsd.org>
! 6: * All rights reserved.
! 7: * Copyright (c) 2000 Paul Saab <ps@freebsd.org>
! 8: * All rights reserved.
! 9: * Copyright (c) 2000 John Baldwin <jhb@freebsd.org>
! 10: * All rights reserved.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: *
! 21: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 31: * SUCH DAMAGE.
! 32: */
! 33:
! 34: /*
! 35: * Note that these structures and types are named according to
! 36: * the Intel PXE documentation.
! 37: */
! 38:
! 39: #define S_SIZE(s) s, sizeof(s) - 1
! 40:
! 41: #define IP_STR "%d.%d.%d.%d"
! 42: #define IP_ARGS(ip) \
! 43: (int)(ip >> 24) & 0xff, (int)(ip >> 16) & 0xff, \
! 44: (int)(ip >> 8) & 0xff, (int)ip & 0xff
! 45:
! 46: #define MAC_STR "%02x:%02x:%02x:%02x:%02x:%02x"
! 47: #define MAC_ARGS(mac) \
! 48: mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]
! 49:
! 50: typedef struct {
! 51: uint16_t offset;
! 52: uint16_t segment;
! 53: } SEGOFF16_t __attribute__((__packed__));
! 54:
! 55: typedef struct {
! 56: uint16_t Seg_Addr;
! 57: uint32_t Phy_Addr;
! 58: uint16_t Seg_Size;
! 59: } SEGDESC_t __attribute__((__packed__));
! 60:
! 61: typedef uint16_t SEGSEL_t;
! 62: typedef uint16_t PXENV_STATUS_t;
! 63: typedef uint32_t IP4_t;
! 64: typedef uint32_t ADDR32_t;
! 65: typedef uint16_t UDP_PORT_t;
! 66:
! 67: #define MAC_ADDR_LEN 16
! 68: typedef uint8_t MAC_ADDR[MAC_ADDR_LEN];
! 69:
! 70: /* PXENV+ */
! 71: typedef struct {
! 72: uint8_t Signature[6]; /* 'PXENV+' */
! 73: uint16_t Version; /* MSB = major, LSB = minor */
! 74: uint8_t Length; /* structure length */
! 75: uint8_t Checksum; /* checksum pad */
! 76: SEGOFF16_t RMEntry; /* SEG:OFF to PXE entry point */
! 77: /* don't use PMOffset and PMSelector (from the 2.1 PXE manual) */
! 78: uint32_t PMOffset; /* Protected mode entry */
! 79: SEGSEL_t PMSelector; /* Protected mode selector */
! 80: SEGSEL_t StackSeg; /* Stack segment address */
! 81: uint16_t StackSize; /* Stack segment size (bytes) */
! 82: SEGSEL_t BC_CodeSeg; /* BC Code segment address */
! 83: uint16_t BC_CodeSize; /* BC Code segment size (bytes) */
! 84: SEGSEL_t BC_DataSeg; /* BC Data segment address */
! 85: uint16_t BC_DataSize; /* BC Data segment size (bytes) */
! 86: SEGSEL_t UNDIDataSeg; /* UNDI Data segment address */
! 87: uint16_t UNDIDataSize; /* UNDI Data segment size (bytes) */
! 88: SEGSEL_t UNDICodeSeg; /* UNDI Code segment address */
! 89: uint16_t UNDICodeSize; /* UNDI Code segment size (bytes) */
! 90: SEGOFF16_t PXEPtr; /* SEG:OFF to !PXE struct,
! 91: only present when Version > 2.1 */
! 92: } __attribute__((__packed__)) pxenv_t;
! 93:
! 94: /* !PXE */
! 95: typedef struct {
! 96: uint8_t Signature[4];
! 97: uint8_t StructLength;
! 98: uint8_t StructCksum;
! 99: uint8_t StructRev;
! 100: uint8_t reserved_1;
! 101: SEGOFF16_t UNDIROMID;
! 102: SEGOFF16_t BaseROMID;
! 103: SEGOFF16_t EntryPointSP;
! 104: SEGOFF16_t EntryPointESP;
! 105: SEGOFF16_t StatusCallout;
! 106: uint8_t reserved_2;
! 107: uint8_t SegDescCn;
! 108: SEGSEL_t FirstSelector;
! 109: SEGDESC_t Stack;
! 110: SEGDESC_t UNDIData;
! 111: SEGDESC_t UNDICode;
! 112: SEGDESC_t UNDICodeWrite;
! 113: SEGDESC_t BC_Data;
! 114: SEGDESC_t BC_Code;
! 115: SEGDESC_t BC_CodeWrite;
! 116: } __attribute__((__packed__)) pxe_t;
! 117:
! 118: #define PXENV_START_UNDI 0x0000
! 119: typedef struct {
! 120: PXENV_STATUS_t Status;
! 121: uint16_t ax;
! 122: uint16_t bx;
! 123: uint16_t dx;
! 124: uint16_t di;
! 125: uint16_t es;
! 126: } __attribute__((__packed__)) t_PXENV_START_UNDI;
! 127:
! 128: #define PXENV_UNDI_STARTUP 0x0001
! 129: typedef struct {
! 130: PXENV_STATUS_t Status;
! 131: } __attribute__((__packed__)) t_PXENV_UNDI_STARTUP;
! 132:
! 133: #define PXENV_UNDI_CLEANUP 0x0002
! 134: typedef struct {
! 135: PXENV_STATUS_t Status;
! 136: } __attribute__((__packed__)) t_PXENV_UNDI_CLEANUP;
! 137:
! 138: #define PXENV_UNDI_INITIALIZE 0x0003
! 139: typedef struct {
! 140: PXENV_STATUS_t Status;
! 141: ADDR32_t ProtocolIni; /* Phys addr of a copy of the
! 142: driver module */
! 143: uint8_t reserved[8];
! 144: } __attribute__((__packed__)) t_PXENV_UNDI_INITALIZE;
! 145:
! 146:
! 147: #define MAXNUM_MCADDR 8
! 148: typedef struct {
! 149: PXENV_STATUS_t Status;
! 150: uint16_t MCastAddrCount;
! 151: MAC_ADDR McastAddr[MAXNUM_MCADDR];
! 152: } __attribute__((__packed__)) t_PXENV_UNDI_MCAST_ADDRESS;
! 153:
! 154: #define PXENV_UNDI_RESET_ADAPTER 0x0004
! 155: typedef struct {
! 156: PXENV_STATUS_t Status;
! 157: t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
! 158: } __attribute__((__packed__)) t_PXENV_UNDI_RESET;
! 159:
! 160: #define PXENV_UNDI_SHUTDOWN 0x0005
! 161: typedef struct {
! 162: PXENV_STATUS_t Status;
! 163: } __attribute__((__packed__)) t_PXENV_UNDI_SHUTDOWN;
! 164:
! 165: #define PXENV_UNDI_OPEN 0x0006
! 166: typedef struct {
! 167: PXENV_STATUS_t Status;
! 168: uint16_t OpenFlag;
! 169: uint16_t PktFilter;
! 170: # define FLTR_DIRECTED 0x0001
! 171: # define FLTR_BRDCST 0x0002
! 172: # define FLTR_PRMSCS 0x0003
! 173: # define FLTR_SRC_RTG 0x0004
! 174:
! 175: t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
! 176: } __attribute__((__packed__)) t_PXENV_UNDI_OPEN;
! 177:
! 178: #define PXENV_UNDI_CLOSE 0x0007
! 179: typedef struct {
! 180: PXENV_STATUS_t Status;
! 181: } __attribute__((__packed__)) t_PXENV_UNDI_CLOSE;
! 182:
! 183: #define PXENV_UNDI_TRANSMIT 0x0008
! 184: typedef struct {
! 185: PXENV_STATUS_t Status;
! 186: uint8_t Protocol;
! 187: # define P_UNKNOWN 0
! 188: # define P_IP 1
! 189: # define P_ARP 2
! 190: # define P_RARP 3
! 191:
! 192: uint8_t XmitFlag;
! 193: # define XMT_DESTADDR 0x0000
! 194: # define XMT_BROADCAST 0x0001
! 195:
! 196: SEGOFF16_t DestAddr;
! 197: SEGOFF16_t TBD;
! 198: uint32_t Reserved[2];
! 199: } __attribute__((__packed__)) t_PXENV_UNDI_TRANSMIT;
! 200:
! 201: #define MAX_DATA_BLKS 8
! 202: typedef struct {
! 203: uint16_t ImmedLength;
! 204: SEGOFF16_t Xmit;
! 205: uint16_t DataBlkCount;
! 206: struct DataBlk {
! 207: uint8_t TDPtrType;
! 208: uint8_t TDRsvdByte;
! 209: uint16_t TDDataLen;
! 210: SEGOFF16_t TDDataPtr;
! 211: } DataBlock[MAX_DATA_BLKS];
! 212: } __attribute__((__packed__)) t_PXENV_UNDI_TBD;
! 213:
! 214: #define PXENV_UNDI_SET_MCAST_ADDRESS 0x0009
! 215: typedef struct {
! 216: PXENV_STATUS_t Status;
! 217: t_PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
! 218: } __attribute__((__packed__)) t_PXENV_UNDI_SET_MCAST_ADDR;
! 219:
! 220: #define PXENV_UNDI_SET_STATION_ADDRESS 0x000A
! 221: typedef struct {
! 222: PXENV_STATUS_t Status;
! 223: MAC_ADDR StationAddress; /* Temp MAC address to use */
! 224: } __attribute__((__packed__)) t_PXENV_UNDI_SET_STATION_ADDR;
! 225:
! 226: #define PXENV_UNDI_SET_PACKET_FILTER 0x000B
! 227: typedef struct {
! 228: PXENV_STATUS_t Status;
! 229: uint8_t filter; /* see UNDI_OPEN (0x0006) */
! 230: } __attribute__((__packed__)) t_PXENV_UNDI_SET_PACKET_FILTER;
! 231:
! 232: #define PXENV_UNDI_GET_INFORMATION 0x000C
! 233: typedef struct {
! 234: PXENV_STATUS_t Status;
! 235: uint16_t BaseIo; /* Adapter base I/O address */
! 236: uint16_t IntNumber; /* Adapter IRQ number */
! 237: uint16_t MaxTranUnit; /* Adapter maximum transmit
! 238: unit */
! 239: uint16_t HwType; /* Type of protocol at the
! 240: hardware addr */
! 241: # define ETHER_TYPE 1
! 242: # define EXP_ETHER_TYPE 2
! 243: # define IEEE_TYPE 6
! 244: # define ARCNET_TYPE 7
! 245:
! 246: uint16_t HwAddrLen; /* Length of hardware address */
! 247: MAC_ADDR CurrentNodeAddress; /* Current hardware address */
! 248: MAC_ADDR PermNodeAddress; /* Permanent hardware address */
! 249: SEGSEL_t ROMAddress; /* Real mode ROM segment
! 250: address */
! 251: uint16_t RxBufCt; /* Receive queue length */
! 252: uint16_t TxBufCt; /* Transmit queue length */
! 253: } __attribute__((__packed__)) t_PXENV_UNDI_GET_INFORMATION;
! 254:
! 255: #define PXENV_UNDI_GET_STATISTICS 0x000D
! 256: typedef struct {
! 257: PXENV_STATUS_t Status;
! 258: uint32_t XmitGoodFrames; /* Number of successful
! 259: transmissions */
! 260: uint32_t RcvGoodFrames; /* Number of good frames
! 261: received */
! 262: uint32_t RcvCRCErrors; /* Number of frames with
! 263: CRC errors */
! 264: uint32_t RcvResourceErrors; /* Number of frames dropped */
! 265: } __attribute__((__packed__)) t_PXENV_UNDI_GET_STATISTICS;
! 266:
! 267: #define PXENV_UNDI_CLEAR_STATISTICS 0x000E
! 268: typedef struct {
! 269: PXENV_STATUS_t Status;
! 270: } __attribute__((__packed__)) t_PXENV_UNDI_CLEAR_STATISTICS;
! 271:
! 272: #define PXENV_UNDI_INITIATE_DIAGS 0x000F
! 273: typedef struct {
! 274: PXENV_STATUS_t Status;
! 275: } __attribute__((__packed__)) t_PXENV_UNDI_INITIATE_DIAGS;
! 276:
! 277: #define PXENV_UNDI_FORCE_INTERRUPT 0x0010
! 278: typedef struct {
! 279: PXENV_STATUS_t Status;
! 280: } __attribute__((__packed__)) t_PXENV_UNDI_FORCE_INTERRUPT;
! 281:
! 282: #define PXENV_UNDI_GET_MCAST_ADDRESS 0x0011
! 283: typedef struct {
! 284: PXENV_STATUS_t Status;
! 285: IP4_t InetAddr; /* IP mulicast address */
! 286: MAC_ADDR MediaAddr; /* MAC multicast address */
! 287: } __attribute__((__packed__)) t_PXENV_UNDI_GET_MCAST_ADDR;
! 288:
! 289: #define PXENV_UNDI_GET_NIC_TYPE 0x0012
! 290: typedef struct {
! 291: PXENV_STATUS_t Status;
! 292: uint8_t NicType; /* Type of NIC */
! 293: # define PCI_NIC 2
! 294: # define PnP_NIC 3
! 295: # define CardBus_NIC 4
! 296:
! 297: union {
! 298: struct {
! 299: uint16_t Vendor_ID;
! 300: uint16_t Dev_ID;
! 301: uint8_t Base_Class;
! 302: uint8_t Sub_Class;
! 303: uint8_t Prog_Intf;
! 304: uint8_t Rev;
! 305: uint16_t BusDevFunc;
! 306: uint16_t SubVendor_ID;
! 307: uint16_t SubDevice_ID;
! 308: } pci, cardbus;
! 309: struct {
! 310: uint32_t EISA_Dev_ID;
! 311: uint8_t Base_Class;
! 312: uint8_t Sub_Class;
! 313: uint8_t Prog_Intf;
! 314: uint16_t CardSelNum;
! 315: } pnp;
! 316: } info;
! 317: } __attribute__((__packed__)) t_PXENV_UNDI_GET_NIC_TYPE;
! 318:
! 319: #define PXENV_UNDI_GET_IFACE_INFO 0x0013
! 320: typedef struct {
! 321: PXENV_STATUS_t Status;
! 322: uint8_t IfaceType[16]; /* Name of MAC type in ASCII. */
! 323: uint32_t LinkSpeed; /* Defined in NDIS 2.0 spec */
! 324: uint32_t ServiceFlags; /* Defined in NDIS 2.0 spec */
! 325: uint32_t Reserved[4]; /* must be 0 */
! 326: } __attribute__((__packed__)) t_PXENV_UNDI_GET_NDIS_INFO;
! 327:
! 328: #define PXENV_UNDI_ISR 0x0014
! 329: typedef struct {
! 330: PXENV_STATUS_t Status;
! 331: uint16_t FuncFlag; /* PXENV_UNDI_ISR_OUT_xxx */
! 332: uint16_t BufferLength; /* Length of Frame */
! 333: uint16_t FrameLength; /* Total length of reciever
! 334: frame */
! 335: uint16_t FrameHeaderLength; /* Length of the media header
! 336: in Frame */
! 337: SEGOFF16_t Frame; /* receive buffer */
! 338: uint8_t ProtType; /* Protocol type */
! 339: uint8_t PktType; /* Packet Type */
! 340: # define PXENV_UNDI_ISR_IN_START 1
! 341: # define PXENV_UNDI_ISR_IN_PROCESS 2
! 342: # define PXENV_UNDI_ISR_IN_GET_NEXT 3
! 343:
! 344: /* one of these will be returned for PXENV_UNDI_ISR_IN_START */
! 345: # define PXENV_UNDI_ISR_OUT_OURS 0
! 346: # define PXENV_UNDI_ISR_OUT_NOT_OUTS 1
! 347:
! 348: /*
! 349: * one of these will bre returnd for PXEND_UNDI_ISR_IN_PROCESS
! 350: * and PXENV_UNDI_ISR_IN_GET_NEXT
! 351: */
! 352: # define PXENV_UNDI_ISR_OUT_DONE 0
! 353: # define PXENV_UNDI_ISR_OUT_TRANSMIT 2
! 354: # define PXENV_UNDI_ISR_OUT_RECIEVE 3
! 355: # define PXENV_UNDI_ISR_OUT_BUSY 4
! 356: } __attribute__((__packed__)) t_PXENV_UNDI_ISR;
! 357:
! 358: #define PXENV_STOP_UNDI 0x0015
! 359: typedef struct {
! 360: PXENV_STATUS_t Status;
! 361: } __attribute__((__packed__)) t_PXENV_STOP_UNDI;
! 362:
! 363: #define PXENV_TFTP_OPEN 0x0020
! 364: typedef struct {
! 365: PXENV_STATUS_t Status;
! 366: IP4_t ServerIPAddress;
! 367: IP4_t GatewayIPAddress;
! 368: uint8_t FileName[128];
! 369: UDP_PORT_t TFTPPort;
! 370: uint16_t PacketSize;
! 371: } __attribute__((__packed__)) t_PXENV_TFTP_OPEN;
! 372:
! 373: #define PXENV_TFTP_CLOSE 0x0021
! 374: typedef struct {
! 375: PXENV_STATUS_t Status;
! 376: } __attribute__((__packed__)) t_PXENV_TFTP_CLOSE;
! 377:
! 378: #define PXENV_TFTP_READ 0x0022
! 379: typedef struct {
! 380: PXENV_STATUS_t Status;
! 381: uint16_t PacketNumber;
! 382: uint16_t BufferSize;
! 383: SEGOFF16_t Buffer;
! 384: } __attribute__((__packed__)) t_PXENV_TFTP_READ;
! 385:
! 386: #define PXENV_TFTP_READ_FILE 0x0023
! 387: typedef struct {
! 388: PXENV_STATUS_t Status;
! 389: uint8_t FileName[128];
! 390: uint32_t BufferSize;
! 391: ADDR32_t Buffer;
! 392: IP4_t ServerIPAddress;
! 393: IP4_t GatewayIPAddress;
! 394: IP4_t McastIPAddress;
! 395: UDP_PORT_t TFTPClntPort;
! 396: UDP_PORT_t TFTPSrvPort;
! 397: uint16_t TFTPOpenTimeOut;
! 398: uint16_t TFTPReopenDelay;
! 399: } __attribute__((__packed__)) t_PXENV_TFTP_READ_FILE;
! 400:
! 401: #define PXENV_TFTP_GET_FSIZE 0x0025
! 402: typedef struct {
! 403: PXENV_STATUS_t Status;
! 404: IP4_t ServerIPAddress;
! 405: IP4_t GatewayIPAddress;
! 406: uint8_t FileName[128];
! 407: uint32_t FileSize;
! 408: } __attribute__((__packed__)) t_PXENV_TFTP_GET_FSIZE;
! 409:
! 410: #define PXENV_UDP_OPEN 0x0030
! 411: typedef struct {
! 412: PXENV_STATUS_t status;
! 413: IP4_t src_ip; /* IP address of this station */
! 414: } __attribute__((__packed__)) t_PXENV_UDP_OPEN;
! 415:
! 416: #define PXENV_UDP_CLOSE 0x0031
! 417: typedef struct {
! 418: PXENV_STATUS_t status;
! 419: } __attribute__((__packed__)) t_PXENV_UDP_CLOSE;
! 420:
! 421: #define PXENV_UDP_READ 0x0032
! 422: typedef struct {
! 423: PXENV_STATUS_t status;
! 424: IP4_t src_ip; /* IP of sender */
! 425: IP4_t dest_ip; /* Only accept packets sent to
! 426: this IP */
! 427: UDP_PORT_t s_port; /* UDP source port of sender */
! 428: UDP_PORT_t d_port; /* Only accept packets sent to
! 429: this port */
! 430: uint16_t buffer_size; /* Size of the packet buffer */
! 431: SEGOFF16_t buffer; /* SEG:OFF to the packet buffer */
! 432: } __attribute__((__packed__)) t_PXENV_UDP_READ;
! 433:
! 434: #define PXENV_UDP_WRITE 0x0033
! 435: typedef struct {
! 436: PXENV_STATUS_t status;
! 437: IP4_t ip; /* dest ip addr */
! 438: IP4_t gw; /* ip gateway */
! 439: UDP_PORT_t src_port; /* source udp port */
! 440: UDP_PORT_t dst_port; /* destination udp port */
! 441: uint16_t buffer_size; /* Size of the packet buffer */
! 442: SEGOFF16_t buffer; /* SEG:OFF to the packet buffer */
! 443: } __attribute__((__packed__)) t_PXENV_UDP_WRITE;
! 444:
! 445: #define PXENV_UNLOAD_STACK 0x0070
! 446: typedef struct {
! 447: PXENV_STATUS_t Status;
! 448: uint8_t reserved[10];
! 449: } __attribute__((__packed__)) t_PXENV_UNLOAD_STACK;
! 450:
! 451:
! 452: #define PXENV_GET_CACHED_INFO 0x0071
! 453: typedef struct {
! 454: PXENV_STATUS_t Status;
! 455: uint16_t PacketType; /* type (defined right here) */
! 456: # define PXENV_PACKET_TYPE_DHCP_DISCOVER 1
! 457: # define PXENV_PACKET_TYPE_DHCP_ACK 2
! 458: # define PXENV_PACKET_TYPE_CACHED_REPLY 3
! 459: uint16_t BufferSize; /* max to copy, leave at 0 for
! 460: pointer */
! 461: SEGOFF16_t Buffer; /* copy to, leave at 0 for pointer */
! 462: uint16_t BufferLimit; /* max size of buffer in BC dataseg ? */
! 463: } __attribute__((__packed__)) t_PXENV_GET_CACHED_INFO;
! 464:
! 465:
! 466: /* structure filled in by PXENV_GET_CACHED_INFO
! 467: * (how we determine which IP we downloaded the initial bootstrap from)
! 468: * words can't describe...
! 469: */
! 470: typedef struct {
! 471: uint8_t opcode;
! 472: # define BOOTP_REQ 1
! 473: # define BOOTP_REP 2
! 474: uint8_t Hardware; /* hardware type */
! 475: uint8_t Hardlen; /* hardware addr len */
! 476: uint8_t Gatehops; /* zero it */
! 477: uint32_t ident; /* random number chosen by client */
! 478: uint16_t seconds; /* seconds since did initial
! 479: bootstrap */
! 480: uint16_t Flags; /* seconds since did initial
! 481: bootstrap */
! 482: # define BOOTP_BCAST 0x8000 /* ? */
! 483: IP4_t cip; /* Client IP */
! 484: IP4_t yip; /* Your IP */
! 485: IP4_t sip; /* IP to use for next boot stage */
! 486: IP4_t gip; /* Relay IP ? */
! 487: MAC_ADDR CAddr; /* Client hardware address */
! 488: uint8_t Sname[64]; /* Server's hostname (Optional) */
! 489: uint8_t bootfile[128]; /* boot filename */
! 490: union {
! 491: # if 1
! 492: # define BOOTP_DHCPVEND 1024 /* DHCP extended vendor
! 493: field size */
! 494: # else
! 495: # define BOOTP_DHCPVEND 312 /* DHCP standard vendor
! 496: field size */
! 497: # endif
! 498: uint8_t d[BOOTP_DHCPVEND]; /* raw array of
! 499: vendor/dhcp options */
! 500: struct {
! 501: uint8_t magic[4]; /* DHCP magic cookie */
! 502: # ifndef VM_RFC1048
! 503: # define VM_RFC1048 0x63825363L /* ? */
! 504: # endif
! 505: uint32_t flags; /* bootp flags/opcodes */
! 506: uint8_t pad[56]; /* I don't think intel
! 507: knows what a union
! 508: does... */
! 509: } v;
! 510: } vendor;
! 511: } __attribute__((__packed__)) BOOTPLAYER;
! 512:
! 513: #define PXENV_RESTART_TFTP 0x0073
! 514: #define t_PXENV_RESTART_TFTP t_PXENV_TFTP_READ_FILE
! 515:
! 516: #define PXENV_START_BASE 0x0075
! 517: typedef struct {
! 518: PXENV_STATUS_t Status;
! 519: } __attribute__((__packed__)) t_PXENV_START_BASE;
! 520:
! 521: #define PXENV_STOP_BASE 0x0076
! 522: typedef struct {
! 523: PXENV_STATUS_t Status;
! 524: } __attribute__((__packed__)) t_PXENV_STOP_BASE;
! 525:
! 526: #define PXENV_STATUS_SUCCESS 0
! 527: #define PXENV_STATUS_FAILURE 1
! 528: /* ...there are tons more, but we don't really care about them right now... */
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