X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=geekos%2Finclude%2Fgeekos%2Fne2k.h;fp=geekos%2Finclude%2Fgeekos%2Fne2k.h;h=4b9e184f551a746c44aed980b95207d0e3bcdc49;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3 diff --git a/geekos/include/geekos/ne2k.h b/geekos/include/geekos/ne2k.h new file mode 100644 index 0000000..4b9e184 --- /dev/null +++ b/geekos/include/geekos/ne2k.h @@ -0,0 +1,197 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Matt Wojcik + * Copyright (c) 2008, Peter Kamm + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Matt Wojcik + * Author: Peter Kamm + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + +#ifndef GEEKOS_NE2K_H +#define GEEKOS_NE2K_H + +#include + +#define NE2K_PAGE0 0x00 +#define NE2K_PAGE1 0x40 +#define NE2K_PAGE2 0x80 +#define NE2K_PAGE3 0xc0 + +#define NE2K_BASE_ADDR 0xc100 /* Starting address of the card */ +#define NE2K_CR NE2K_BASE_ADDR /* Command register */ +#define NE2K_DATAPORT (NE2K_CR + 0x10) +#define NE2K_RESET (NE2K_CR + 0x1f) + +/* Page 0 register offsets */ +#define NE2K CLDA0 (NE2K_CR + 0x01) +#define NE2K_PSTART (NE2K_CR + 0x01) /* Page start register */ +#define NE2K_CLDA1 (NE2K_CR + 0x02) +#define NE2K_PSTOP (NE2K_CR + 0x02) /* Page stop register */ +#define NE2K_BNRY (NE2K_CR + 0x03) /* Boundary register */ +#define NE2K_TSR (NE2K_CR + 0x04) +#define NE2K_TPSR (NE2K_CR + 0x04) +#define NE2K_NCR (NE2K_CR + 0x05) +#define NE2K_TBCR0 (NE2K_CR + 0x05) +#define NE2K_FIFO (NE2K_CR + 0x06) +#define NE2K_TBCR1 (NE2K_CR + 0x06) +#define NE2K_ISR (NE2K_CR + 0x07) /* Interrupt status register */ +#define NE2K_CRDA0 (NE2K_CR + 0x08) +#define NE2K_RSAR0 (NE2K_CR + 0x08) /* Remote start address registers */ +#define NE2K_CRDA1 (NE2K_CR + 0x09) +#define NE2K_RSAR1 (NE2K_CR + 0x09) +#define NE2K_RBCR0 (NE2K_CR + 0x0a) /* Remote byte count registers */ +#define NE2K_RBCR1 (NE2K_CR + 0x0b) +#define NE2K_RSR (NE2K_CR + 0x0c) +#define NE2K_RCR (NE2K_CR + 0x0c) /* Receive configuration register */ +#define NE2K_CNTR0 (NE2K_CR + 0x0d) +#define NE2K_TCR (NE2K_CR + 0x0d) /* Transmit configuration register */ +#define NE2K_CNTR1 (NE2K_CR + 0x0e) +#define NE2K_DCR (NE2K_CR + 0x0e) /* Data configuration register */ +#define NE2K_CNTR2 (NE2K_CR + 0x0f) +#define NE2K_IMR (NE2K_CR + 0x0f) /* Interrupt mask register */ + +/* Page 1 register offsets */ +#define NE2K_PAR0 (NE2K_CR + 0x01) +#define NE2K_PAR1 (NE2K_CR + 0x02) +#define NE2K_PAR2 (NE2K_CR + 0x03) +#define NE2K_PAR3 (NE2K_CR + 0x04) +#define NE2K_PAR4 (NE2K_CR + 0x05) +#define NE2K_PAR5 (NE2K_CR + 0x06) +#define NE2K_CURR (NE2K_CR + 0x07) +#define NE2K_MAR0 (NE2K_CR + 0x08) +#define NE2K_MAR1 (NE2K_CR + 0x09) +#define NE2K_MAR2 (NE2K_CR + 0x0a) +#define NE2K_MAR3 (NE2K_CR + 0x0b) +#define NE2K_MAR4 (NE2K_CR + 0x0c) +#define NE2K_MAR5 (NE2K_CR + 0x0d) +#define NE2K_MAR6 (NE2K_CR + 0x0e) +#define NE2K_MAR7 (NE2K_CR + 0x0f) + +#define NE2K_IRQ 11 /* Interrupt channel */ + + +/* Physical Address of Network Card */ +#define PHY_ADDR1 0x52 +#define PHY_ADDR2 0x54 +#define PHY_ADDR3 0x00 +#define PHY_ADDR4 0x12 +#define PHY_ADDR5 0x34 +#define PHY_ADDR6 0x58 + + +struct NE2K_REGS { + uchar_t cr; + uchar_t isr; + uchar_t imr; + uchar_t dcr; + uchar_t tcr; + uchar_t tsr; + uchar_t rcr; + uchar_t rsr; +}; + +struct _CR { //COMMAND REG + uint_t stp: 1; //STOP- software reset + uint_t sta: 1; //START- activates NIC + uint_t txp: 1; //TRANSMIT- set to send + uint_t rd: 3; //REMOTE DMA + uint_t ps: 2; //PAGE SELECT +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _ISR{ //INTERRUPT STATUS REG + uint_t prx: 1; //PACKET RECIEVED + uint_t ptx: 1; //PACKET TRANSMITTED + uint_t rxe: 1; //TRANSMIT ERROR + uint_t txe: 1; //RECEIVE ERROR + uint_t ovw: 1; //OVERWRITE WARNING + uint_t cnt: 1; //COUNTER OVERFLOW + uint_t rdc: 1; //REMOTE DMA COMPLETE + uint_t rst: 1; //RESET STATUS +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _IMR { //INTERRUPT MASK REG + uint_t prxe: 1; //PACKET RX INTRPT + uint_t ptxe: 1; //PACKET TX INTRPT + uint_t rxee: 1; //RX ERROR INTRPT + uint_t txee: 1; //TX ERROR INTRPt + uint_t ovwe: 1; //OVERWRITE WARNING INTRPT + uint_t cnte: 1; //COUNTER OVERFLOW INTRPT + uint_t rdce: 1; //DMA COMLETE INTRPT + uint_t rsvd: 1; +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _DCR { //DATA CONFIG REGISTER + uint_t wts: 1; //WORD TRANSFER SELECT + uint_t bos: 1; //BYTE ORDER SELECT + uint_t las: 1; //LONG ADDR SELECT + uint_t ls: 1; //LOOPBACK SELECT + uint_t arm: 1; //AUTO-INITIALIZE REMOTE + uint_t ft: 2; //FIFO THRESH SELECT +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _TCR { //TX CONFIG REGISTER + uint_t crc: 1; //INHIBIT CRC + uint_t lb: 2; //ENCODED LOOPBACK + uint_t atd: 1; //AUTO TRANSMIT + uint_t ofst: 1; //COLLISION OFFSET ENABLE + uint_t rsvd: 3; +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _TSR { + uint_t ptx: 1; //PACKET TX + uint_t rsvd: 1; + uint_t col: 1; //TX COLLIDED + uint_t abt: 1; //TX ABORTED + uint_t crs: 1; //CARRIER SENSE LOST + uint_t fu: 1; //FIFO UNDERRUN + uint_t cdh: 1; //CD HEARTBEAT + uint_t owc: 1; //OUT OF WINDOW COLLISION +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _RCR { //RECEIVE CONFIGURATION REGISTER + uint_t sep: 1; //SAVE ERRORED PACKETS + uint_t ar: 1; //ACCEPT RUNT PACKETS + uint_t ab: 1; //ACCEPT BROADCAST + uint_t am: 1; //ACCEPT MULTICAST + uint_t pro: 1; //PROMISCUOUS PHYSICAL + uint_t mon: 1; //MONITOR MODE + uint_t rsvd: 2; +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct _RSR { //RECEIVE STATUS REG + uint_t prx: 1; //PACKET RX INTACT + uint_t crc: 1; //CRC ERROR + uint_t fae: 1; //FRAME ALIGNMENT ERROR + uint_t fo: 1; //FIFO OVERRUN + uint_t mpa: 1; //MISSED PACKET + uint_t phy: 1; //PHYSICAL/MULTICAST ADDR + uint_t dis: 1; //RX DISABLED + uint_t dfr: 1; //DEFERRING +}__attribute__((__packed__)) __attribute__((__aligned__(1))); + +struct NE2K_Packet_Info { + uchar_t status; + uint_t size; + uchar_t src[6]; + uchar_t dest[6]; +}; + +int Init_Ne2k(); +int NE2K_Receive(); +int NE2K_Transmit(uint_t size); +int NE2K_Send_Packet(uchar_t *packet, uint_t size); +int NE2K_Send(uchar_t src[], uchar_t dest[], uint_t type, uchar_t *data, uint_t size); + +#endif /* GEEKOS_NE2K_H */