1 /** @file
2   These are PXE Specification 2.1-compliant data structures and defines.
3 
4   This file relies upon the existence of a PXE-compliant ROM
5   in memory, as defined by the Preboot Execution Environment
6   Specification (PXE), Version 2.1, located at
7 
8   http://developer.intel.com/ial/wfm/wfmspecs.htm
9 
10 Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>
11 
12 This program and the accompanying materials
13 are licensed and made available under the terms and conditions
14 of the BSD License which accompanies this distribution.  The
15 full text of the license may be found at
16 http://opensource.org/licenses/bsd-license.php
17 
18 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
19 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
20 
21 **/
22 
23 #ifndef _PXEDEF_H_
24 #define _PXEDEF_H_
25 
26 #pragma pack(1)
27 
28 //
29 //    PXE structure signatures
30 //
31 #define BC_ROMID_SIG        "$BC$"
32 #define UNDI_ROMID_SIG      "UNDI"
33 #define BUSD_ROMID_SIG      "BUSD"
34 
35 #define PXE_SIG             "!PXE"
36 #define PXENV_SIG           "PXENV+"
37 
38 #define BC_ROMID_REV        0x00
39 #define UNDI_ROMID_REV      0x00
40 #define BUSD_ROMID_REV      0x00
41 
42 #define PXE_REV             0x00
43 #define PXENV_REV           0x0201
44 
45 #define PXENV_PTR           SIGNATURE_32 ('P', 'X', 'E', 'N')
46 #define PXE_PTR             SIGNATURE_32 ('!', 'P', 'X', 'E')
47 #define UNDI_ROMID_SIG_PTR  SIGNATURE_32 ('U', 'N', 'D', 'I')
48 
49 typedef UINT16  SEGSEL; // Real mode segment or protected mode selector.
50 typedef UINT16  OFF16;  // Unsigned 16bit offset.
51 typedef UINT32  ADDR32;
52 
53 //
54 //    Bus types
55 //
56 #define PXENV_BUS_ISA     0
57 #define PXENV_BUS_EISA    1
58 #define PXENV_BUS_MCA     2
59 #define PXENV_BUS_PCI     3
60 #define PXENV_BUS_VESA    4
61 #define PXENV_BUS_PCMCIA  5
62 
63 //
64 //
65 //    Result codes returned in AX by a PXENV API service.
66 //
67 #define PXENV_EXIT_SUCCESS  0x0000
68 #define PXENV_EXIT_FAILURE  0x0001
69 
70 //
71 //    Status codes returned in the status word of PXENV API parameter structures.
72 //
73 //    Generic API errors - these do not match up with the M0x or E0x messages
74 //    that are reported by the loader.
75 //
76 #define PXENV_STATUS_SUCCESS          0x00
77 #define PXENV_STATUS_FAILURE          0x01
78 #define PXENV_STATUS_BAD_FUNC         0x02
79 #define PXENV_STATUS_UNSUPPORTED      0x03
80 #define PXENV_STATUS_KEEP_UNDI        0x04
81 #define PXENV_STATUS_KEEP_ALL         0x05
82 #define PXENV_STATUS_OUT_OF_RESOURCES 0x06
83 
84 typedef enum {
85   PxeEnvStatus_Success,
86   PxeEnvStatus_Failure,
87   PxeEnvStatus_BadFunc,
88   PxeEnvStatus_Unsupported,
89   PxeEnvStatus_KeepUndi,
90   PxeEnvStatus_KeepAll
91 } EFI_PXE_STATUS;
92 
93 /* Driver errors (0x60 to 0x6F) */
94 
95 // These errors are for UNDI compatible NIC drivers.
96 #define PXENV_STATUS_UNDI_INVALID_FUNCTION          0x60
97 #define PXENV_STATUS_UNDI_MEDIATEST_FAILED          0x61
98 #define PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST 0x62
99 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC     0x63
100 #define PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY     0x64
101 #define PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA   0x65
102 #define PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA     0x66
103 #define PXENV_STATUS_UNDI_BAD_MAC_ADDR              0x67
104 #define PXENV_STATUS_UNDI_BAD_EEPROM_CKSUM          0x68
105 #define PXENV_STATUS_UNDI_ERROR_SETTING_ISR         0x69
106 #define PXENV_STATUS_UNDI_INVALID_STATE             0x6A
107 #define PXENV_STATUS_UNDI_TRANSMIT_ERROR            0x6B
108 #define PXENV_STATUS_UNDI_INVALID_PARAMETER         0x6C
109 
110 typedef struct {
111   UINT16  Seg_Addr;
112   UINT32  Phy_Addr;
113   UINT16  Seg_Size;
114 } NEWSEGDESC_T;
115 
116 typedef struct {
117   OFF16   Offset;
118   SEGSEL  Segment;
119 } SEGOFF16;
120 
121 typedef struct {
122   UINT8   Signature[4]; ///< Structure signature is not NULL terminated.
123   UINT8   StructLength; ///< Length of this structure in bytes.
124   UINT8   StructCksum;  ///< Use to make byte checksum of this structure == zero.
125   UINT8   StructRev;    ///< Structure format revision number.
126   UINT8   UNDI_Rev[3];  ///< API revision number stored in Intel order.
127   //
128   // Revision 2.1.0 == 0x00, 0x01, 0x02
129   //
130   UINT16  UNDI_Loader;  ///< Offset of UNDI loader routine in the option ROM image.
131   UINT16  StackSize;    ///< Minimum stack segment size, in bytes, needed to load and run the UNDI.
132   UINT16  DataSize;     ///< UNDI runtime code and data
133   UINT16  CodeSize;     ///< segment sizes.
134   UINT8   BusType[4];   ///< 'ISAR', 'EISA', 'PCIR', 'PCCR'
135 } UNDI_ROMID_T;
136 
137 typedef struct {
138   UINT8   Signature[4]; ///< Structure signature is not NULL terminated.
139   UINT8   StructLength; ///< Length of this structure in bytes.
140   UINT8   StructCksum;  ///< Use to make byte checksum of this structure == zero.
141   UINT8   StructRev;    ///< Structure format revision number.
142   UINT8   BC_Rev[3];    ///< API revision number stored in Intel order.
143   //
144   // Revision 2.1.0 == 0x00, 0x01, 0x02
145   //
146   UINT16  BC_Loader;          ///< Offset of base-code loader routine in the option ROM image.
147   UINT16  StackSize;          ///< Minimum stack segment size (bytes) needed to load/run base-code.
148   UINT16  DataSize;           ///< Base-code runtime code and data
149   UINT16  CodeSize;           ///< segment sizes.
150 } BC_ROMID_T;
151 
152 typedef struct {
153   UINT8         Signature[4]; ///< Structure signature is not NULL terminated.
154   UINT8         StructLength; ///< Length of this structure in bytes.
155   UINT8         StructCksum;  ///< Use to make byte checksum of this  structure == zero.
156   UINT8         StructRev;    ///< Structure format revision number.
157   UINT8         Reserved1;    ///< must be zero
158   ///
159   ///   UNDI_ROMID_T __FAR *UNDI;// Far pointer to UNDI ROMID
160   ///
161   SEGOFF16      Undi;
162 
163   ///
164   ///    BC_ROMID_T __FAR *Base;  //   Far pointer to base-code ROMID
165   ///
166   SEGOFF16      Base;
167 
168   ///
169   ///    UINT16 (__FAR __CDECL *EntryPointSP)(UINT16 func, VOID __FAR *param);
170   /// 16bit stack segment API entry point.  This will be seg:off in
171   /// real mode and sel:off in 16:16 protected mode.
172   ///
173   SEGOFF16      EntryPointSP;
174 
175   ///
176   ///    UINT16 (__FAR __CDECL *EntryPointESP)(UINT16 func, VOID __FAR *param);
177   /// 32bit stack segment API entry point.  This will be sel:off.
178   /// In real mode, sel == 0
179   ///
180   SEGOFF16      EntryPointESP;
181   ///
182   ///    UINT16 (__FAR __CDECL *StatusCallout)(UINT16 param);
183   /// Address of DHCP/TFTP status callout routine.
184   ///
185   SEGOFF16      StatusCallout;
186   UINT8         Reserved2;      ///< must be zero
187   UINT8         SegDescCnt;     ///< Number of segment descriptors in this structure.
188   UINT16        FirstSelector;  ///< First segment descriptor in GDT assigned to PXE.
189   NEWSEGDESC_T  Stack;
190   NEWSEGDESC_T  UNDIData;
191   NEWSEGDESC_T  UNDICode;
192   NEWSEGDESC_T  UNDICodeWrite;
193   NEWSEGDESC_T  BC_Data;
194   NEWSEGDESC_T  BC_Code;
195   NEWSEGDESC_T  BC_CodeWrite;
196 } PXE_T;
197 
198 typedef struct {
199   CHAR8       Signature[6];     ///< "PXENV+"
200   UINT16      Version;          ///< PXE version number.  LSB is minor version.  MSB is major version.
201   UINT8       StructLength;     ///< Length of PXE-2.0 Entry Point structure in bytes.
202   UINT8       StructCksum;      ///< Used to make structure checksum equal zero.
203   UINT32      RMEntry;          ///< Real mode API entry point  segment:offset.
204   UINT32      PMEntryOff;       ///< Protected mode API entry point
205   UINT16      PMEntrySeg;       ///< segment:offset.  This will always be zero.  Protected mode API calls
206                                 ///< must be made through the API entry points in the PXE Runtime ID structure.
207 
208   UINT16      StackSeg;     ///< Real mode stack segment.
209   UINT16      StackSize;    ///< Stack segment size in bytes.
210   UINT16      BaseCodeSeg;  ///< Real mode base-code code segment.
211   UINT16      BaseCodeSize; ///< Base-code code segment size
212   UINT16      BaseDataSeg;  ///< Real mode base-code data segment.
213   UINT16      BaseDataSize; ///< Base-code data segment size
214   UINT16      UNDIDataSeg;  ///< Real mode UNDI data segment.
215   UINT16      UNDIDataSize; ///< UNDI data segment size in bytes.
216   UINT16      UNDICodeSeg;  ///< Real mode UNDI code segment.
217   UINT16      UNDICodeSize; ///< UNDI code segment size in bytes.
218   PXE_T       *RuntimePtr;  ///< Real mode segment:offset pointer to PXE Runtime ID structure.
219 } PXENV_T;
220 
221 typedef struct {
222   OUT UINT16    Status;
223   IN OUT UINT16 Ax;
224   IN OUT UINT16 Bx;
225   IN OUT UINT16 Dx;
226   IN OUT UINT16 Di;
227   IN OUT UINT16 Es;
228   IN OUT UINT16 Undi_Ds;
229   IN OUT UINT16 Undi_Cs;
230   OUT SEGOFF16  PXEptr;
231   OUT SEGOFF16  PXENVptr;
232 } UNDI_LOADER_T;
233 
234 //
235 //  Put in some UNDI-specific arguments
236 //
237 #define PXENV_START_UNDI              0x0000
238 #define PXENV_UNDI_STARTUP            0x0001
239 #define PXENV_UNDI_CLEANUP            0x0002
240 #define PXENV_UNDI_INITIALIZE         0x0003
241 #define PXENV_UNDI_RESET_NIC          0x0004
242 #define PXENV_UNDI_SHUTDOWN           0x0005
243 #define PXENV_UNDI_OPEN               0x0006
244 #define PXENV_UNDI_CLOSE              0x0007
245 #define PXENV_UNDI_TRANSMIT           0x0008
246 #define PXENV_UNDI_SET_MCAST_ADDR     0x0009
247 #define PXENV_UNDI_SET_STATION_ADDR   0x000A
248 #define PXENV_UNDI_SET_PACKET_FILTER  0x000B
249 #define PXENV_UNDI_GET_INFORMATION    0x000C
250 #define PXENV_UNDI_GET_STATISTICS     0x000D
251 #define PXENV_UNDI_CLEAR_STATISTICS   0x000E
252 #define PXENV_UNDI_INITIATE_DIAGS     0x000F
253 #define PXENV_UNDI_FORCE_INTERRUPT    0x0010
254 #define PXENV_UNDI_GET_MCAST_ADDR     0x0011
255 #define PXENV_UNDI_GET_NIC_TYPE       0x0012
256 #define PXENV_UNDI_GET_NDIS_INFO      0x0013
257 #define PXENV_UNDI_ISR                0x0014
258 #define PXENV_STOP_UNDI               0x0015
259 #define PXENV_UNDI_GET_STATE          0x0016
260 
261 #define ADDR_LEN                      16
262 #define MAXNUM_MCADDR                 8
263 #define IPLEN                         4       ///< length of an IP address
264 #define XMT_DESTADDR                  0x0000  ///< destination address given
265 #define XMT_BROADCAST                 0x0001  ///< use broadcast address
266 
267 typedef struct {
268   UINT16  MCastAddrCount;                     ///< In: Number of multi-cast
269 
270   /* addresses. */
271   UINT8   MCastAddr[MAXNUM_MCADDR][ADDR_LEN]; /* In: */
272 
273   /* list of multi-cast addresses. */
274 
275   /* Each address can take up to */
276 
277   /* ADDR_LEN bytes and a maximum */
278 
279   /* of MAXNUM_MCADDR address can */
280 
281   /* be provided*/
282 } PXENV_UNDI_MCAST_ADDR_T;
283 
284 /* Definitions of TFTP API parameter structures.
285  */
286 typedef struct {
287   OUT UINT16  Status;       ///< Out: PXENV_STATUS_xxx
288   IN UINT16   Ax;           ///< In: These register fields must be
289   IN UINT16   Bx;           ///<     filled in with the same data
290   IN UINT16   Dx;           ///<     that was passed to the MLID
291   IN UINT16   Di;           ///<     option ROM boot code by the
292   IN UINT16   Es;           ///<     system BIOS.
293 } PXENV_START_UNDI_T;
294 
295 typedef struct {
296   OUT UINT16  Status;       ///< Out: PXENV_STATUS_xxx
297 } PXENV_UNDI_STARTUP_T;
298 
299 typedef struct {
300   OUT UINT16  Status;       ///< Out: PXENV_STATUS_xxx
301 } PXENV_UNDI_CLEANUP_T;
302 
303 typedef struct {
304   OUT UINT16  Status;       ///< Out: PXENV_STATUS_xxx
305 
306   ///
307   ///  This is an input parameter and is a 32-bit physical address of
308   ///  a memory  copy of the  driver module in  the protocol.ini file
309   ///  obtained from the  Protocol Manager  driver(refer to  NDIS 2.0
310   ///  specifications).   This parameter  is basically  supported for
311   ///  the universal NDIS driver to pass the information contained in
312   ///  protocol.ini   file  to  the  NIC   driver  for  any  specific
313   ///  configuration of   the   NIC.      (Note   that   the   module
314   ///  identification in the  protocol.ini  file  was  done  by  NDIS
315   ///  itself.)  This value can be NULL for for any other application
316   ///  interfacing to the Universal NIC Driver.
317   ///
318   IN UINT32   ProtocolIni;
319   UINT8       Reserved[8];
320 } PXENV_UNDI_INITIALIZE_T;
321 
322 typedef struct {
323   OUT UINT16                  Status;       ///< Out: PXENV_STATUS_xxx
324   IN PXENV_UNDI_MCAST_ADDR_T  R_Mcast_Buf;  ///< multicast address list
325   /* see note below  */
326 } PXENV_UNDI_RESET_T;
327 
328 /*++
329     Note: The  NIC  driver  does  not  remember  the  multicast
330     addresses provided in any  call.    So  the  application  must
331     provide the multicast address  list with all  the calls that
332     reset the receive unit of the adapter.
333   --*/
334 typedef struct {
335   OUT UINT16  Status;                     ///< Out: PXENV_STATUS_xxx
336 } PXENV_UNDI_SHUTDOWN_T;
337 
338 typedef struct {
339   OUT UINT16                  Status;     ///< Out: PXENV_STATUS_xxx
340 
341   ///
342   ///  This is  an input parameter and is  adapter specific.  This is
343   ///  supported  for Universal NDIS 2.0 driver to pass down the Open
344   ///  flags  provided  by   the  protocol   driver  (See   NDIS  2.0
345   ///  specifications).  This can be zero.
346   ///
347   IN UINT16                   OpenFlag;   ///< In: See description below
348   IN UINT16                   PktFilter;  ///< In: Filter for receiving
349 
350   /* packet. It takes the following */
351 
352   /* values, multiple values can be */
353 
354   /* ORed together. */
355 #define FLTR_DIRECTED 0x0001                ///< directed/multicast
356 #define FLTR_BRDCST   0x0002                ///< broadcast packets
357 #define FLTR_PRMSCS   0x0004                ///< any packet on LAN
358 #define FLTR_SRC_RTG  0x0008                ///< source routing packet
359   IN PXENV_UNDI_MCAST_ADDR_T  McastBuffer;  /* In: */
360   /* See t_PXENV_UNDI_MCAST_ADDR. */
361 } PXENV_UNDI_OPEN_T;
362 
363 typedef struct {
364   OUT UINT16  Status; ///< Out: PXENV_STATUS_xxx
365 } PXENV_UNDI_CLOSE_T;
366 
367 #define MAX_DATA_BLKS 8
368 
369 typedef struct {
370   IN UINT16 ImmedLength;  ///< In: Data buffer length in
371 
372   /* bytes. */
373   UINT16    XmitOffset;   ///< 16-bit segment & offset of the
374   UINT16    XmitSegment;  ///< immediate data buffer.
375   UINT16    DataBlkCount; ///< In: Number of data blocks.
376   struct DataBlk {
377     UINT8   TDPtrType;    ///< 0 => 32 bit Phys pointer in TDDataPtr, not supported in this version of LSA
378                           ///< 1 => seg:offser in TDDataPtr which can be a real mode or 16-bit protected mode pointer
379     UINT8   TDRsvdByte;         ///< Reserved, must be zero.
380     UINT16  TDDataLen;          ///< Data block length in bytes.
381     UINT16  TDDataPtrOffset;    ///< Far pointer to data buffer.
382     UINT16  TDDataPtrSegment;   ///< Far pointer to data buffer.
383   } DataBlock[MAX_DATA_BLKS];
384 }
385 PXENV_UNDI_TBD_T;
386 
387 typedef struct {
388   OUT UINT16  Status;           ///< Out: PXENV_STATUS_xxx
389 
390   ///
391   ///  This is the protocol  of  the  upper  layer  that  is  calling
392   ///  NICTransmit call.   If the  upper layer  has filled  the media
393   ///  header this field must be 0.
394   ///
395   IN UINT8    Protocol;
396 #define P_UNKNOWN 0
397 #define P_IP      1
398 #define P_ARP     2
399 #define P_RARP    3
400 
401   ///
402   ///  If  this flag is  0, the NIC  driver expects a  pointer to the
403   ///  destination media  address in the field  DestMediaAddr.  If 1,
404   ///  the   NIC  driver   fills  the   broadcast  address   for  the
405   ///  destination.
406   ///
407   IN UINT8    XmitFlag;
408 #define XMT_DESTADDR  0x0000    ///< destination address given
409 #define XMT_BROADCAST 0x0001    ///< use broadcast address
410 
411   ///
412   ///  This  is a pointer to the  hardware address of the destination
413   ///  media.  It  can be  null if  the destination  is not  known in
414   ///  which case the XmitFlag contains 1 for broadcast.  Destination
415   ///  media address  must be  obtained by  the upper  level protocol
416   ///  (with  Address Resolution Protocol) and NIC driver does not do
417   ///  any address resolution.
418   ///
419   IN UINT16   DestAddrOffset;   ///< 16-bit segment & offset of the
420   IN UINT16   DestAddrSegment;  ///< destination media address
421 
422 
423   IN UINT16   TBDOffset;  ///< 16-bit segment & offset of the
424   IN UINT16   TBDSegment; ///< transmit buffer descriptor of type
425 
426   /// XmitBufferDesc
427   IN UINT32   Reserved[2];
428 } PXENV_UNDI_TRANSMIT_T;
429 
430 
431 typedef struct {
432   OUT UINT16                  Status;       ///<  Out: PXENV_STATUS_xxx
433   IN PXENV_UNDI_MCAST_ADDR_T  McastBuffer;  ///<  In:
434 } PXENV_UNDI_SET_MCAST_ADDR_T;
435 
436 typedef struct {
437   OUT UINT16  Status;                   ///< Out: PXENV_STATUS_xxx
438   IN UINT8    StationAddress[ADDR_LEN]; ///< new address to be set
439 } PXENV_UNDI_SET_STATION_ADDR_T;
440 
441 typedef struct s_PXENV_UNDI_SET_PACKET_FILTER {
442   OUT UINT16  Status;                   ///< Out: PXENV_STATUS_xxx
443   IN UINT8    Filter;                   ///< In: Receive filter value.
444 } PXENV_UNDI_SET_PACKET_FILTER_T;
445 
446 typedef struct {
447   OUT UINT16  Status;       ///< Out: PXENV_STATUS_xxx
448   OUT UINT16  BaseIo;       ///< Out: Adapter's Base IO
449   OUT UINT16  IntNumber;    ///< Out: IRQ number
450   OUT UINT16  MaxTranUnit;  ///< Out: MTU
451   OUT UINT16  HwType;       ///< Out: type of protocol at hardware level
452 
453 #define ETHER_TYPE      1
454 #define EXP_ETHER_TYPE  2
455 #define IEEE_TYPE       6
456 #define ARCNET_TYPE     7
457   /*++
458         other numbers can  be obtained from  rfc1010 for "Assigned
459         Numbers".  This number may not be validated by the application
460         and hence adding new numbers to the list should be fine at any
461         time.
462     --*/
463   OUT UINT16  HwAddrLen;                    ///< Out: actual length of hardware address
464   OUT UINT8   CurrentNodeAddress[ADDR_LEN]; ///< Out: Current hardware address
465   OUT UINT8   PermNodeAddress[ADDR_LEN];    ///< Out: Permanent hardware address
466   OUT UINT16  ROMAddress;                   ///< Out: ROM address
467   OUT UINT16  RxBufCt;                      ///< Out: receive Queue length
468   OUT UINT16  TxBufCt;                      ///< Out: Transmit Queue length
469 } PXENV_UNDI_GET_INFORMATION_T;
470 
471 typedef struct {
472   OUT UINT16  Status;                       ///< Out: PXENV_STATUS_xxx
473   OUT UINT32  XmtGoodFrames;                ///< Out: No. of good transmissions
474   OUT UINT32  RcvGoodFrames;                ///< Out: No. of good frames received
475   OUT UINT32  RcvCRCErrors;                 ///< Out: No. of frames with CRC error
476   OUT UINT32  RcvResourceErrors;            ///< Out: no. of frames discarded
477   /* Out: receive Queue full */
478 } PXENV_UNDI_GET_STATISTICS_T;
479 
480 typedef struct {
481   OUT UINT16  Status;               ///< Out: PXENV_STATUS_xxx
482 } PXENV_UNDI_CLEAR_STATISTICS_T;
483 
484 typedef struct {
485   OUT UINT16  Status;               ///< Out: PXENV_STATUS_xxx
486 } PXENV_UNDI_INITIATE_DIAGS_T;
487 
488 typedef struct {
489   OUT UINT16  Status;               ///< Out: PXENV_STATUS_xxx
490 } PXENV_UNDI_FORCE_INTERRUPT_T;
491 
492 typedef struct {
493   OUT UINT16  Status;               ///< Out: PXENV_STATUS_xxx
494   IN UINT32   InetAddr;             ///< In: IP Multicast Address
495   OUT UINT8   MediaAddr[ADDR_LEN];  ///< Out: corresponding hardware
496   /*      multicast address */
497 } PXENV_UNDI_GET_MCAST_ADDR_T;
498 
499 typedef struct {
500     OUT UINT16  Vendor_ID;  ///< OUT:
501     OUT UINT16  Dev_ID;     ///< OUT:
502     OUT UINT8   Base_Class; ///< OUT:
503     OUT UINT8   Sub_Class;  ///< OUT:
504     OUT UINT8   Prog_Intf;  ///< OUT: program interface
505     OUT UINT8   Rev;        ///< OUT: Revision number
506     OUT UINT16  BusDevFunc; ///< OUT: Bus, Device  & Function numbers
507     OUT UINT16  SubVendor_ID; ///< OUT:
508     OUT UINT16  SubDevice_ID; ///< OUT:
509 } PCI_INFO_T;
510 
511 typedef struct {
512     OUT UINT32  EISA_Dev_ID;  ///< Out:
513     OUT UINT8   Base_Class;   ///< OUT:
514     OUT UINT8   Sub_Class;    ///< OUT:
515     OUT UINT8   Prog_Intf;    ///< OUT: program interface
516     OUT UINT16  CardSelNum;   ///< OUT: Card Selector Number
517     OUT UINT8   Reserved;     ///< to make it 10 bytes
518 } PNP_INFO_T;
519 
520 
521 typedef union {
522   PCI_INFO_T Pci;
523   PNP_INFO_T Pnp;
524 } PCI_PNP_INFO_T;
525 
526 typedef struct {
527   OUT UINT16  Status;         ///< OUT: PXENV_STATUS_xxx
528   OUT UINT8   NicType;        ///< OUT: 2=PCI, 3=PnP
529   PCI_PNP_INFO_T PciPnpInfo;
530 } PXENV_UNDI_GET_NIC_TYPE_T;
531 
532 typedef struct {
533   OUT UINT16  Status;           ///< OUT: PXENV_STATUS_xxx
534   OUT UINT8   IfaceType[16];    ///< OUT: Type name of MAC, AsciiZ
535 
536   /*      format.  This is used by the */
537 
538   /*      Universal NDIS Driver to fill */
539 
540   /*      the driver type in it's MAC */
541 
542   /*      Service specific */
543 
544   /*      characteristic table */
545   OUT UINT32  LinkSpeed;    ///< OUT:
546   OUT UINT32  ServiceFlags; ///< OUT: as defined in NDIS Spec 2.0X
547   OUT UINT32  Reserved[4];  ///< OUT: will be filled with 0s till defined
548 } PXENV_UNDI_GET_NDIS_INFO_T;
549 
550 typedef struct {
551   OUT UINT16    Status;   ///< OUT: PXENV_STATUS_xxx
552   IN OUT UINT16 FuncFlag; ///< In: PXENV_UNDI_ISR_IN_xxx
553 
554   /* Out: PXENV_UNDI_ISR_OUT_xxx */
555   OUT UINT16    BufferLength;
556   OUT UINT16    FrameLength;
557   OUT UINT16    FrameHeaderLength;
558   OUT UINT16    FrameOffset;
559   OUT UINT16    FrameSegSel;
560   OUT UINT8     ProtType;
561   OUT UINT8     PktType;
562 } PXENV_UNDI_ISR_T;
563 
564 #define PXENV_UNDI_ISR_IN_START 1 /* This function must be first */
565 
566 /* when an interrupt is received. */
567 
568 /* It will tell us if the intr */
569 
570 /* was generated by our device. */
571 #define PXENV_UNDI_ISR_IN_PROCESS 2 /* Call to start processing one of */
572 
573 /* our interrupts. */
574 #define PXENV_UNDI_ISR_IN_GET_NEXT  3 /* Call to start/continue receiving */
575 
576 /* data from receive buffer(s). */
577 
578 /*++
579 
580      Possible responses from PXENV_UNDI_ISR_IN_START
581 
582  --*/
583 #define PXENV_UNDI_ISR_OUT_OURS 0 ///< This is our interrupt.  Deal  with it.
584 #define PXENV_UNDI_ISR_OUT_NOT_OURS 1 ///< This is not our interrupt.
585 
586 /*++
587 
588      Possible responses from PXENV_UNDI_ISR_IN_PROCESS and
589      PXENV_UNDI_ISR_IN_PROCESS
590 
591 --*/
592 #define PXENV_UNDI_ISR_OUT_DONE 0       ///< We are done processing this  interrupt.
593 #define PXENV_UNDI_ISR_OUT_TRANSMIT 2   ///< We completed a transmit interrupt.
594 #define PXENV_UNDI_ISR_OUT_RECEIVE  3   ///< Get data from receive buffer.
595 
596 #define PXENV_UNDI_ISR_OUT_BUSY     4 /* ? */
597 
598 typedef struct {
599   UINT16  Status;                     ///< Out: PXENV_STATUS_xxx
600 } PXENV_STOP_UNDI_T;
601 
602 #define PXENV_UNDI_STARTED      1     ///< not even initialized
603 #define PXENV_UNDI_INITIALIZED  2     ///< initialized and closed (not opened)
604 #define PXENV_UNDI_OPENED       3     ///< initialized & opened
605 
606 typedef struct {
607   OUT UINT16  Status;                 ///< Out: PXENV_STATUS_xxx
608   UINT16      UNDI_State;
609 } PXENV_UNDI_GET_STATE_T;
610 
611 #pragma pack()
612 
613 #endif
614