* Copyright 2006, Marcus Overhagen <marcus@overhagen.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _PXE_UNDI_H
#define _PXE_UNDI_H
extern "C" uint16 call_pxe_bios(void *pxe, uint16 opcode, void *param);
#define UNDI_OPEN 0x0006
#define UNDI_TRANSMIT 0x0008
#define UNDI_GET_INFORMATION 0x000C
#define UNDI_ISR 0x0014
#define UNDI_GET_STATE 0x0015
#define TFTP_OPEN 0x0020
#define TFTP_CLOSE 0x0021
#define TFTP_READ 0x0022
#define TFTP_GET_FILE_SIZE 0x0025
#define GET_CACHED_INFO 0x0071
#define SEG(ptr) ((uint16)(((uint32)(ptr)) >> 4))
#define OFS(ptr) ((uint16)(((uint32)(ptr)) & 15))
#define MAC_ADDR_LEN 16
typedef uint8 MAC_ADDR[MAC_ADDR_LEN];
struct SEGSEL
{
uint16 a;
};
struct SEGOFF16
{
uint16 ofs;
uint16 seg;
};
struct SEGDESC
{
uint64 a;
};
struct PXE_STRUCT
{
uint32 Signature;
uint8 StructLength;
uint8 StructCksum;
uint8 StructRev;
uint8 reserved_1;
SEGOFF16 UNDIROMID;
SEGOFF16 BaseROMID;
SEGOFF16 EntryPointSP;
SEGOFF16 EntryPointESP;
SEGOFF16 StatusCallout;
uint8 reserved_2;
uint8 SegDescCnt;
SEGSEL FirstSelector;
SEGDESC Stack;
SEGDESC UNDIData;
SEGDESC UNDICode;
SEGDESC UNDICodeWrite;
SEGDESC BC_Data;
SEGDESC BC_Code;
SEGDESC BC_CodeWrite;
};
struct PXENV_GET_CACHED_INFO
{
uint16 Status;
uint16 PacketType;
#define PXENV_PACKET_TYPE_DHCP_DISCOVER 1
#define PXENV_PACKET_TYPE_DHCP_ACK 2
#define PXENV_PACKET_TYPE_CACHED_REPLY 3
uint16 BufferSize;
SEGOFF16 Buffer;
uint16 BufferLimit;
};
struct PXENV_UNDI_MCAST_ADDRESS
{
#define MAXNUM_MCADDR 8
uint16 MCastAddrCount;
MAC_ADDR McastAddr[MAXNUM_MCADDR];
};
struct PXENV_UNDI_OPEN
{
uint16 Status;
uint16 OpenFlag;
uint16 PktFilter;
#define FLTR_DIRECTED 0x0001
#define FLTR_BRDCST 0x0002
#define FLTR_PRMSCS 0x0004
#define FLTR_SRC_RTG 0x0008
PXENV_UNDI_MCAST_ADDRESS R_Mcast_Buf;
};
struct PXENV_UNDI_GET_STATE
{
#define PXE_UNDI_GET_STATE_STARTED 1
#define PXE_UNDI_GET_STATE_INITIALIZED 2
#define PXE_UNDI_GET_STATE_OPENED 3
uint16 Status;
uint8 UNDIstate;
};
struct PXENV_UNDI_GET_INFORMATION
{
uint16 Status;
uint16 BaseIo;
uint16 IntNumber;
uint16 MaxTranUnit;
uint16 HwType;
#define ETHER_TYPE 1
#define EXP_ETHER_TYPE 2
#define IEEE_TYPE 6
#define ARCNET_TYPE 7
uint16 HwAddrLen;
MAC_ADDR CurrentNodeAddress;
MAC_ADDR PermNodeAddress;
SEGSEL ROMAddress;
uint16 RxBufCt;
uint16 TxBufCt;
};
struct PXENV_UNDI_TRANSMIT
{
uint16 Status;
uint8 Protocol;
#define P_UNKNOWN 0
#define P_IP 1
#define P_ARP 2
#define P_RARP 3
uint8 XmitFlag;
#define XMT_DESTADDR 0x0000
#define XMT_BROADCAST 0x0001
SEGOFF16 DestAddr;
SEGOFF16 TBD;
uint32 Reserved[2];
};
#define MAX_DATA_BLKS 8
struct PXENV_UNDI_TBD
{
uint16 ImmedLength;
SEGOFF16 Xmit;
uint16 DataBlkCount;
struct DataBlk
{
uint8 TDPtrType;
uint8 TDRsvdByte;
uint16 TDDataLen;
SEGOFF16 TDDataPtr;
} DataBlock[MAX_DATA_BLKS];
};
struct PXENV_UNDI_ISR
{
uint16 Status;
uint16 FuncFlag;
uint16 BufferLength;
uint16 FrameLength;
uint16 FrameHeaderLength;
SEGOFF16 Frame;
uint8 ProtType;
uint8 PktType;
};
#define PXENV_UNDI_ISR_IN_START 1
#define PXENV_UNDI_ISR_IN_PROCESS 2
#define PXENV_UNDI_ISR_IN_GET_NEXT 3
PXENV_UNDI_ISR_IN_START
*/
#define PXENV_UNDI_ISR_OUT_OURS 0
#define PXENV_UNDI_USR_OUT_NOT_OURS 1
PXENV_UNDI_ISR_IN_PROCESS and
PXENV_UNDI_ISR_IN_GET_NEXT
*/
#define PXENV_UNDI_ISR_OUT_DONE 0
#define PXENV_UNDI_ISR_OUT_TRANSMIT 2
#define PXENV_UNDI_ISR_OUT_RECEIVE 3
#define PXENV_UNDI_ISR_OUT_BUSY 4
typedef union {
uint32 num;
uint8 array[4];
} pxenv_ip4;
struct pxenv_tftp_open {
uint16 status;
pxenv_ip4 server_ip;
pxenv_ip4 gateway_ip;
char file_name[128];
uint16 port;
uint16 packet_size;
} __attribute__((packed));
struct pxenv_tftp_close {
uint16 status;
} __attribute__((packed));
struct pxenv_tftp_read {
uint16 status;
uint16 packet_number;
uint16 buffer_size;
SEGOFF16 buffer;
} __attribute__((packed));
struct pxenv_tftp_get_fsize {
uint16 status;
pxenv_ip4 server_ip;
pxenv_ip4 gateway_ip;
char file_name[128];
uint32 file_size;
} __attribute__((packed));
PXE_STRUCT * pxe_undi_find_data();
#endif
