From: Jack Lange Date: Mon, 27 Apr 2009 18:19:23 +0000 (-0500) Subject: removed ne2k from release X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=7a761f270328ceeb84c53b118cfa76ef7656b4a7 removed ne2k from release --- diff --git a/palacios/include/devices/ne2k.h b/palacios/include/devices/ne2k.h deleted file mode 100644 index 7f016b4..0000000 --- a/palacios/include/devices/ne2k.h +++ /dev/null @@ -1,175 +0,0 @@ -/* - * 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) 2009, Lei Xia - * Copyright (c) 2009, The V3VEE Project - * All rights reserved. - * - * Author: Lei Xia - * - * This is free software. You are permitted to use, - * redistribute, and modify it as specified in the file "V3VEE_LICENSE". - */ - -#ifndef __NE2K_H_ -#define __NE2K_H_ - -#include -#include - -#define NE2K_DEF_BASE_ADDR 0xc100 - -#define NE2K_DEF_IRQ 11 - -#define MAX_ETH_FRAME_SIZE 1514 - -#define NE2K_PMEM_SIZE (32*1024) -#define NE2K_PMEM_START (16*1024) -#define NE2K_PMEM_END (NE2K_PMEM_SIZE+NE2K_PMEM_START) -#define NE2K_MEM_SIZE NE2K_PMEM_END - -#define EN0_COMMAND 0x00 //Command register (for all pages) -#define NIC_DATA_PORT 0x10 //Data read/write port -#define NIC_RESET_PORT 0x1f //Data read/write port - -// Page 0 registers -#define EN0_CLDALO 0x01 //Low byte of current local dma addr RD -#define EN0_STARTPG 0x01 //Starting page of ring bfr WR -#define EN0_CLDAHI 0x02 //High byte of current local dma addr RD -#define EN0_STOPPG 0x02 //Ending page +1 of ring bfr WR -#define EN0_BOUNDARY 0x03 //Boundary page of ring bfr RD WR -#define EN0_TSR 0x04 //Transmit status reg RD -#define EN0_TPSR 0x04 //Transmit starting page WR -#define EN0_NCR 0x05 //Number of collision reg RD -#define EN0_TCNTLO 0x05 //Low byte of tx byte count WR -#define EN0_FIFO 0x06 //FIFO RD -#define EN0_TCNTHI 0x06 //High byte of tx byte count WR -#define EN0_ISR 0x07 //Interrupt status reg RD WR -#define EN0_CRDALO 0x08 //low byte of current remote dma address RD -#define EN0_RSARLO 0x08 //Remote start address reg 0 -#define EN0_CRDAHI 0x09 //high byte, current remote dma address RD -#define EN0_RSARHI 0x09 //Remote start address reg 1 -#define EN0_RCNTLO 0x0a //Remote byte count reg WR -#define EN0_RTL8029ID0 0x0a //Realtek ID byte #1 RD -#define EN0_RCNTHI 0x0b //Remote byte count reg WR -#define EN0_RTL8029ID1 0x0b //Realtek ID byte #2 RD -#define EN0_RSR 0x0c //rx status reg RD -#define EN0_RXCR 0x0c //RX configuration reg WR -#define EN0_TXCR 0x0d //TX configuration reg WR -#define EN0_COUNTER0 0x0d //Rcv alignment error counter RD -#define EN0_DCFG 0x0e //Data configuration reg WR -#define EN0_COUNTER1 0x0e //Rcv CRC error counter RD -#define EN0_IMR 0x0f //Interrupt mask reg WR -#define EN0_COUNTER2 0x0f //Rcv missed frame error counter RD - -//Page 1 registers -#define EN1_PHYS 0x01 -#define EN1_CURPAG 0x07 -#define EN1_MULT 0x08 - -//Page 2 registers -#define EN2_STARTPG 0x01 //Starting page of ring bfr RD -#define EN2_STOPPG 0x02 //Ending page +1 of ring bfr RD -#define EN2_LDMA0 0x01 //Current Local DMA Address 0 WR -#define EN2_LDMA1 0x02 //Current Local DMA Address 1 WR -#define EN2_RNPR 0x03 //Remote Next Packet Pointer RD WR -#define EN2_TPSR 0x04 //Transmit Page Start Address RD -#define EN2_LNRP 0x05 //Local Next Packet Pointer RD WR -#define EN2_ACNT0 0x06 //Address Counter Upper WR -#define EN2_ACNT1 0x07 //Address Counter Lower WR -#define EN2_RCR 0x0c //Receive Configuration Register RD -#define EN2_TCR 0x0d //Transmit Configuration Register RD -#define EN2_DCR 0x0e //Data Configuration Register RD -#define EN2_IMR 0x0f //Interrupt Mask Register RD - -//Page 3 registers -#define EN3_CONFIG0 0x03 -#define EN3_CONFIG1 0x04 -#define EN3_CONFIG2 0x05 -#define EN3_CONFIG3 0x06 - -//Bits in EN0_ISR - Interrupt status register -#define ENISR_RX 0x01 //Receiver, no error -#define ENISR_TX 0x02 //Transmitter, no error -#define ENISR_RX_ERR 0x04 //Receiver, with error -#define ENISR_TX_ERR 0x08 //Transmitter, with error -#define ENISR_OVER 0x10 //Receiver overwrote the ring -#define ENISR_COUNTERS 0x20 //Counters need emptying -#define ENISR_RDC 0x40 //remote dma complete -#define ENISR_RESET 0x80 //Reset completed -#define ENISR_ALL 0x3f //Interrupts we will enable - -//Bits in received packet status byte and EN0_RSR -#define ENRSR_RXOK 0x01 //Received a good packet -#define ENRSR_CRC 0x02 //CRC error -#define ENRSR_FAE 0x04 //frame alignment error -#define ENRSR_FO 0x08 //FIFO overrun -#define ENRSR_MPA 0x10 //missed pkt -#define ENRSR_PHY 0x20 //physical/multicast address -#define ENRSR_DIS 0x40 //receiver disable. set in monitor mode -#define ENRSR_DEF 0x80 //deferring - -//Transmitted packet status, EN0_TSR -#define ENTSR_PTX 0x01 //Packet transmitted without error -#define ENTSR_ND 0x02 //The transmit wasn't deferred. -#define ENTSR_COL 0x04 //The transmit collided at least once. -#define ENTSR_ABT 0x08 //The transmit collided 16 times, and was deferred. -#define ENTSR_CRS 0x10 //The carrier sense was lost. -#define ENTSR_FU 0x20 //A "FIFO underrun" occurred during transmit. -#define ENTSR_CDH 0x40 //The collision detect "heartbeat" signal was lost. -#define ENTSR_OWC 0x80 //There was an out-of-window collision. - -//command, Register accessed at EN0_COMMAND -#define NE2K_STOP 0x01 -#define NE2K_START 0x02 -#define NE2K_TRANSMIT 0x04 -#define NE2K_DMAREAD 0x08 //Remote read -#define NE2K_DMAWRITE 0x10 //Remote write -#define NE2K_DMASEND 0x18 -#define NE2K_ABORTDMA 0x20 //Abort/Complete DMA -#define NE2K_PAGE0 0x00 //Select page chip registers -#define NE2K_PAGE1 0x40 //using the two high-order bits -#define NE2K_PAGE2 0x80 -#define NE2K_PAGE 0xc0 - -struct ne2k_regs { - uchar_t cmd; - uchar_t pgstart; - uchar_t pgstop; - ushort_t clda; - uchar_t boundary; - uchar_t tsr; - uchar_t tpsr; - uchar_t ncr; - ushort_t tbcr; - uchar_t fifo; - uchar_t isr; - ushort_t crda; - ushort_t rsar; - ushort_t rbcr; - uchar_t rsr; - uchar_t rcr; - uint_t cntr; - uchar_t tcr; - uchar_t dcr; - uchar_t imr; - - uchar_t phys[6]; //mac address - uchar_t curpag; - uchar_t mult[8]; //multicast mask array - uchar_t rnpp; - uchar_t lnpp; - ushort_t addcnt; - - uchar_t macaddr[6]; -}; - -struct vm_device *v3_create_ne2k(); - -#endif diff --git a/palacios/src/devices/ne2k.c b/palacios/src/devices/ne2k.c deleted file mode 100644 index 882995d..0000000 --- a/palacios/src/devices/ne2k.c +++ /dev/null @@ -1,1085 +0,0 @@ -/* - * 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) 2009, Lei Xia - * Copyright (c) 2009, The V3VEE Project - * All rights reserved. - * - * Author: Lei Xia - * - * This is free software. You are permitted to use, - * redistribute, and modify it as specified in the file "V3VEE_LICENSE". - */ - -/* -* Virtual NE2K Network Card -*/ - -#include -#include -#include -#include -#include -#include -#include - -#ifndef DEBUG_NE2K -#undef PrintDebug -#define PrintDebug(fmts, args...) -#endif - -//#define TEST_PERFORMANCE 0 - -typedef enum {NIC_READY, NIC_REG_POSTED} nic_state_t; - -struct ne2k_context{ - struct guest_info *vm; - nic_state_t dev_state; - - struct ne2k_regs regs; - uchar_t mac[6]; - uchar_t mem[NE2K_MEM_SIZE]; - struct pci_device *pci_dev; - struct vm_device *pci; -}; - -#define NUM_NE2K 10 - -struct vm_device *ne2ks[NUM_NE2K]; //the array of virtual network cards - -static int nic_no = 0; - -#if TEST_PERFORMANCE -static uint32_t exit_num = 0; -static uint32_t int_num = 0; -#endif - -#define compare_mac(src, dst) ({ \ - ((src[0] == dst[0]) && \ - (src[1] == dst[1]) && \ - (src[2] == dst[2]) && \ - (src[3] == dst[3]) && \ - (src[4] == dst[4]) && \ - (src[5] == dst[5]))? 1:0; \ - }) - -extern int V3_Send_pkt(uchar_t *buf, int length); -extern int V3_Register_pkt_event(int (*netif_input)(uchar_t * pkt, uint_t size)); - -#ifdef DEBUG_NE2K -static void dump_state(struct vm_device *dev) -{ - int i; - uchar_t *p; - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - - PrintDebug("====NE2000: Dumping state Begin ==========\n"); - PrintDebug("Registers:\n"); - - p = (uchar_t *)&nic_state->regs; - for(i = 0; i < sizeof(struct ne2k_regs); i++) - PrintDebug("Regs[%d] = 0x%2x\n", i, (int)p[i]); - - PrintDebug("Memory:\n"); - for(i = 0; i < 32; i++) - PrintDebug("0x%02x ", nic_state->mem[i]); - PrintDebug("\n"); - PrintDebug("====NE2000: Dumping state End==========\n"); -} -#endif - -#if 0 -//no-pci version -static void ne2k_update_irq(struct vm_device *dev) -{ - int isr; - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - struct guest_info *guest = dev->vm; - - isr = ((nic_state->regs.isr & nic_state->regs.imr) & 0x7f); - - if ((isr & 0x7f) != 0x0) { - v3_raise_irq(guest, NIC_DEF_IRQ); - PrintDebug("Ne2k: RaiseIrq: isr: 0x%02x imr: 0x%02x\n", nic_state->regs.isr, nic_state->regs.imr); - } -} - -#endif - -#if 1 -//pci version -static void ne2k_update_irq(struct vm_device *dev) -{ - int isr; - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - struct pci_device *pdev = nic_state->pci_dev; - int irqline = 0; - - if (pdev == NULL){ - PrintDebug("Ne2k: Device %p is not attached to any PCI Bus\n", nic_state); - irqline = NE2K_DEF_IRQ; - } else { - irqline = pdev->config_header.intr_line; - } - - isr = ((nic_state->regs.isr & nic_state->regs.imr) & 0x7f); - - if (irqline == 0){ - PrintError("Ne2k: IRQ_LINE: %d\n", irqline); - return; - } - - PrintDebug("Ne2k: RaiseIrq: isr: 0x%02x imr: 0x%02x\n", nic_state->regs.isr, nic_state->regs.imr); - PrintDebug("ne2k_update_irq: irq_line: %d\n", irqline); - - if ((isr & 0x7f) != 0x0) { - v3_raise_irq(nic_state->vm, irqline); - PrintDebug("Ne2k: RaiseIrq: isr: 0x%02x imr: 0x%02x\n", nic_state->regs.isr, nic_state->regs.imr); - - #if TEST_PERFORMANCE - if ((++int_num) % 50 == 0) - PrintError("Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - } -} - -#endif - -static void init_ne2k_context(struct vm_device *dev) -{ - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - int i; - uchar_t mac[6] = {0x52, 0x54, 0x0, 0x12, 0x34, (0x60 + nic_no)}; - - nic_state->vm = dev->vm; - - nic_state->regs.isr = ENISR_RESET; - nic_state->regs.imr = 0x00; - nic_state->regs.cmd = 0x22; - - for (i = 0; i < 5; i++) - nic_state->regs.macaddr[i] = nic_state->mac[i] = mac[i]; - - nic_state->regs.macaddr[5] = nic_state->mac[5] = mac[5] + nic_no; - - for (i = 0; i < 8; i++) - nic_state->regs.mult[i] = 0xff; - - for(i = 0; i < 32; i++) { - nic_state->mem[i] = 0xff; - } - - memcpy(nic_state->mem, nic_state->mac, 6); - nic_state->mem[14] = 0x57; - nic_state->mem[15] = 0x57; - -#ifdef DEBUG_NE2K - dump_state(dev); -#endif - -} - -static int ne2k_send_packet(struct vm_device *dev, uchar_t *pkt, int length) -{ - int i; - - PrintDebug("\nNe2k: Sending Packet\n"); - - for (i = 0; iprivate_data; - - index = nic_state->regs.curpag << 8; - boundary = nic_state->regs.boundary << 8; - if (index < boundary) - empty = boundary - index; - else - empty = ((nic_state->regs.pgstop - nic_state->regs.pgstart) << 8) - (index - boundary); - - if (empty < (MAX_ETH_FRAME_SIZE + 4)) - return 1; - - return 0; -} - -#define MIN_BUF_SIZE 60 - -static void ne2k_receive(struct vm_device *dev, const uchar_t *pkt, int length) -{ - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - struct ne2k_regs *nregs = &(nic_state->regs); - uchar_t *p; - uint32_t total_len, next, len, index, empty; - uchar_t buf[60]; - uint32_t start, stop; - - start = nregs->pgstart << 8; - stop = nregs->pgstop << 8; - - if (nregs->cmd & NE2K_STOP) - return; - - if (ne2k_rxbuf_full(dev)){ - PrintError("Ne2k: received buffer overflow\n"); - return; - } - - //packet too small, expand it - if (length < MIN_BUF_SIZE) { - memcpy(buf, pkt, length); - memset(buf + length, 0, MIN_BUF_SIZE - length); - pkt = buf; - length = MIN_BUF_SIZE; - } - - index = nregs->curpag << 8; - //header, 4 bytes - total_len = length + 4; - //address for next packet (4 bytes for CRC) - next = index + ((total_len + 4 + 255) & ~0xff); - if (next >= stop) - next -= stop - start; - - p = nic_state->mem + index; - nregs->rsr = ENRSR_RXOK; - - if (pkt[0] & 0x01) - nregs->rsr |= ENRSR_PHY; - - p[0] = nregs->rsr; - p[1] = next >> 8; - p[2] = total_len; - p[3] = total_len >> 8; - index += 4; - - while (length > 0) { - if (index <= stop) - empty = stop - index; - else - empty = 0; - len = length; - if (len > empty) - len = empty; - memcpy(nic_state->mem + index, pkt, len); - pkt += len; - index += len; - if (index == stop) - index = start; - length -= len; - } - nregs->curpag = next >> 8; - - nregs->isr |= ENISR_RX; - ne2k_update_irq(dev); -} - -static int ne2k_hook_iospace(struct vm_device *vmdev, addr_t base_addr, int size, int type, void *data); - -static struct pci_device * pci_ne2k_init(struct vm_device *vmdev, - struct vm_device *pci, - int bus_no, - int dev_num, - int fn_num, - int (*io_read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev), - int (*io_write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) -{ - uchar_t *pci_conf; - struct pci_device *pdev; - struct v3_pci_bar ne2k_bar; - - ne2k_bar.type = PCI_BAR_IO; - ne2k_bar.num_ports = 0x100; - ne2k_bar.default_base_port = 0xc100; - ne2k_bar.io_read = io_read; - ne2k_bar.io_write = io_write; - - pdev = v3_pci_register_device(vmdev, - PCI_STD_DEVICE, - bus_no, - dev_num, - fn_num, - "NE2000", - &ne2k_bar, - NULL, NULL, NULL, vmdev); - - if (pdev == NULL){ - PrintError("NIC: Register to PCI bus failed\n"); - return NULL; - } - - pci_conf = pdev->config_space; - - pci_conf[0x00] = 0xec; // Realtek 8029 - pci_conf[0x01] = 0x10; - pci_conf[0x02] = 0x29; - pci_conf[0x03] = 0x80; - pci_conf[0x0a] = 0x00; // ethernet network controller - pci_conf[0x0b] = 0x02; - pci_conf[0x0e] = 0x00; // header_type - pci_conf[0x3d] = 1; // interrupt pin 0 - pci_conf[0x3c] = 11; //default IRQ Line - - pdev->vm_dev = vmdev; - - return pdev; -} - -static int netif_input(uchar_t *pkt, uint_t size) -{ - struct ne2k_context *nic_state; - struct ne2k_regs *nregs; - static const uchar_t brocast_mac[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - int i; - - PrintDebug("\nNe2k: Packet Received:\nSource:"); - for (i = 6; i < 12; i++) { - PrintDebug("%x ", pkt[i]); - } - PrintDebug("\n"); - for(i= 0; iprivate_data; - nregs = &(nic_state->regs); - - if (nregs->rcr & 0x10) {//promiscuous mode - ne2k_receive(ne2ks[i], pkt, size); - } else { - if (compare_mac(pkt, brocast_mac) && (nregs->rcr & 0x04)){ //broadcast packet - ne2k_receive(ne2ks[i], pkt, size); - } else if (pkt[0] & 0x01) { - //TODO: multicast packet - if (nregs->rcr & 0x08) - ne2k_receive(ne2ks[i], pkt, size); - } else if (compare_mac(pkt, nic_state->mac)){ - ne2k_receive(ne2ks[i], pkt, size); - } else - continue; - } - } - } - - return 0; -} - - -static inline uint16_t cpu2le16(uint16_t val) -{ - uint16_t p; - uchar_t *p1 = (uchar_t *)&p; - - p1[0] = val; - p1[1] = val >> 8; - - return p; -} - - -static inline uint32_t cpu2le32(uint32_t val) -{ - uint32_t p; - uchar_t *p1 = (uchar_t *)&p; - - p1[0] = val; - p1[1] = val >> 8; - p1[2] = val >> 16; - p1[3] = val >> 24; - - return p; -} - -static inline uint16_t le16_to_cpu(const uint16_t *p) -{ - const uchar_t *p1 = (const uchar_t *)p; - return p1[0] | (p1[1] << 8); -} - -static inline uint32_t le32_to_cpu(const uint32_t *p) -{ - const uchar_t *p1 = (const uchar_t *)p; - return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24); -} - -static void -ne2k_mem_writeb(struct ne2k_context *nic_state, - uint32_t addr, - uint32_t val) -{ - uchar_t tmp; - - tmp = (uchar_t) (val & 0x000000ff); - if (addr < 32 || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - nic_state->mem[addr] = tmp; - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static void -ne2k_mem_writew(struct ne2k_context *nic_state, - uint32_t addr, - uint32_t val) -{ - addr &= ~1; //XXX: check exact behaviour if not even - if (addr < 32 || - (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - *(ushort_t *)(nic_state->mem + addr) = cpu2le16(val); - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static void -ne2k_mem_writel(struct ne2k_context *nic_state, - uint32_t addr, - uint32_t val) -{ - addr &= ~1; // XXX: check exact behaviour if not even - if (addr < 32 || - (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - *(uint32_t *)(nic_state->mem + addr) = cpu2le32(val); - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static uchar_t -ne2k_mem_readb(struct ne2k_context *nic_state, uint32_t addr) -{ - PrintDebug("rmem addr: %x\n", addr); - - if (addr < 32 || - (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return nic_state->mem[addr]; - } else { - return 0xff; - } -} - -static ushort_t -ne2k_mem_readw(struct ne2k_context *nic_state, uint32_t addr) -{ - PrintDebug("rmem addr: %x\n", addr); - - addr &= ~1; //XXX: check exact behaviour if not even - if (addr < 32 || - (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return (ushort_t)le16_to_cpu((ushort_t *)(nic_state->mem + addr)); - } else { - return 0xffff; - } -} - -static uint32_t -ne2k_mem_readl(struct ne2k_context *nic_state, uint32_t addr) -{ - PrintDebug("rmem addr: %x\n", addr); - - addr &= ~1; //XXX: check exact behaviour if not even - if (addr < 32 || - (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return (uint32_t)le32_to_cpu((uint32_t *)(nic_state->mem + addr)); - } else { - return 0xffffffff; - } -} - -static void -ne2k_dma_update(struct vm_device *dev, int len) -{ - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - - nic_state->regs.rsar += len; - // wrap - if (nic_state->regs.rsar == nic_state->regs.pgstop) - nic_state->regs.rsar = nic_state->regs.pgstart; - - if (nic_state->regs.rbcr <= len) { - nic_state->regs.rbcr = 0; - nic_state->regs.isr |= ENISR_RDC; - ne2k_update_irq(dev); - } else { - nic_state->regs.rbcr -= len; - } -} - - -//for data port read/write -static int ne2k_data_read(ushort_t port, - void * dst, - uint_t length, - struct vm_device *dev) -{ - uint32_t val; - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - - // current dma address - uint32_t addr = nic_state->regs.rsar; - - switch(length){ - case 1: - val = ne2k_mem_readb(nic_state, addr); - break; - case 2: - val = ne2k_mem_readw(nic_state, addr); - break; - case 4: - val = ne2k_mem_readl(nic_state, addr); - break; - default: - PrintError("ne2k_data_read error: invalid length %d\n", length); - val = 0x0; - } - - ne2k_dma_update(dev, length); - - memcpy(dst, &val, length); - - PrintDebug("ne2k_read: port:0x%x (%u bytes): 0x%x", port & 0x1f,length, val); - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; -} - -static int ne2k_data_write(ushort_t port, - void * src, - uint_t length, - struct vm_device *dev) -{ - uint32_t val; - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - - if (nic_state->regs.rbcr == 0) - return length; - - memcpy(&val, src, length); - - uint32_t addr = nic_state->regs.rsar; - - switch (length){ - case 1: - ne2k_mem_writeb(nic_state, addr, val); - break; - case 2: - ne2k_mem_writew(nic_state, addr, val); - break; - case 4: - ne2k_mem_writel(nic_state, addr, val); - break; - default: - PrintError("nic_data_write error: invalid length %d\n", length); - } - - ne2k_dma_update(dev, length); - - PrintDebug("ne2k_write: port:0x%x (%u bytes): 0x%x\n", port & 0x1f,length, val); - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; -} - -static int ne2k_reset_device(struct vm_device * dev) -{ - - PrintDebug("vnic: reset device\n"); - - init_ne2k_context(dev); - - return 0; -} - - -//for 0xc11f port -static int ne2k_reset_port_read(ushort_t port, - void * dst, - uint_t length, - struct vm_device *dev) -{ - uint32_t val = 0x0; - - memcpy(dst, &val, length); - - PrintDebug("ne2k_read: port:0x%x (%u bytes): 0x%x\n", port,length, val); - - ne2k_reset_device(dev); - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; -} - -static int ne2k_reset_port_write(ushort_t port, - void * src, - uint_t length, - struct vm_device *dev) -{ - uint32_t val; - - memcpy(&val, src, length); - - PrintDebug("ne2k_write: port:0x%x (%u bytes): 0x%x\n", port,length, val); - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; -} - -static int ne2k_ioport_write(ushort_t port, - void * src, - uint_t length, - struct vm_device *dev) -{ - uchar_t page; - struct ne2k_context *nic_state = (struct ne2k_context* )dev->private_data; - uchar_t val; - int index; - - if (length == 1) { - memcpy(&val, src, 1); - } else { - PrintError("ne2k_write error: length %d\n", length); - return length; - } - - PrintDebug("ne2k_write: port:0x%x val: 0x%x\n", port, (int)val); - - port &= 0x1f; - - if (port == 0x10) - return ne2k_data_write(port, src, length, dev); - - if (port == 0x1f) - return ne2k_reset_port_write(port, src, length, dev); - - if (port == EN0_COMMAND) { - nic_state->regs.cmd = val; - if (!(val & NE2K_STOP)) { - nic_state->regs.isr &= ~ENISR_RESET; - if ((val & (NE2K_DMAREAD | NE2K_DMAWRITE)) && - nic_state->regs.rbcr == 0) { - nic_state->regs.isr |= ENISR_RDC; - ne2k_update_irq(dev); - } - if (val & NE2K_TRANSMIT) { - index = (nic_state->regs.tpsr << 8); - if (index >= NE2K_PMEM_END) - index -= NE2K_PMEM_SIZE; - if (index + nic_state->regs.tbcr <= NE2K_PMEM_END) { - ne2k_send_packet(dev, nic_state->mem + index, nic_state->regs.tbcr); - } - nic_state->regs.tsr = ENTSR_PTX; - nic_state->regs.isr |= ENISR_TX; - nic_state->regs.cmd &= ~NE2K_TRANSMIT; - ne2k_update_irq(dev); - } - } - } else { - page = nic_state->regs.cmd >> 6; - if(page == 0){ - switch(port) { - case EN0_STARTPG: - nic_state->regs.pgstart = val; - break; - case EN0_STOPPG: - nic_state->regs.pgstop = val; - break; - case EN0_BOUNDARY: - nic_state->regs.boundary = val; - break; - case EN0_TPSR: - nic_state->regs.tpsr = val; - break; - case EN0_TCNTLO: - nic_state->regs.tbcr = (nic_state->regs.tbcr & 0xff00) | val; - break; - case EN0_TCNTHI: - nic_state->regs.tbcr = (nic_state->regs.tbcr & 0x00ff) | (val << 8); - break; - case EN0_ISR: - nic_state->regs.isr &= ~(val & 0x7f); - ne2k_update_irq(dev); - break; - case EN0_RSARLO: - nic_state->regs.rsar = (nic_state->regs.rsar & 0xff00) | val; - break; - case EN0_RSARHI: - nic_state->regs.rsar = (nic_state->regs.rsar & 0x00ff) | (val << 8); - break; - case EN0_RCNTLO: - nic_state->regs.rbcr = (nic_state->regs.rbcr & 0xff00) | val; - break; - case EN0_RCNTHI: - nic_state->regs.rbcr = (nic_state->regs.rbcr & 0x00ff) | (val << 8); - break; - case EN0_RXCR: - nic_state->regs.rcr = val; - break; - case EN0_TXCR: - nic_state->regs.tcr = val; - case EN0_DCFG: - nic_state->regs.dcr = val; - break; - case EN0_IMR: - nic_state->regs.imr = val; - //PrintError("ne2k_write error: write IMR:0x%x\n", (int)val); - ne2k_update_irq(dev); - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - break; - } - } - if(page == 1){ - switch(port) { - case EN1_PHYS ... EN1_PHYS + 5: - nic_state->regs.phys[port - EN1_PHYS] = val; - break; - case EN1_CURPAG: - nic_state->regs.curpag = val; - break; - case EN1_MULT ... EN1_MULT + 7: - // PrintError("ne2k_write error: write EN_MULT:0x%x\n", (int)val); - nic_state->regs.mult[port - EN1_MULT] = val; - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - break; - } - } - if(page == 2){ - switch(port) { - case EN2_LDMA0: - nic_state->regs.clda = (nic_state->regs.clda & 0xff00) | val; - break; - case EN2_LDMA1: - nic_state->regs.clda = (nic_state->regs.clda & 0x00ff) | (val << 8); - break; - case EN2_RNPR: - nic_state->regs.rnpp = val; - break; - case EN2_LNRP: - nic_state->regs.lnpp = val; - break; - case EN2_ACNT0: - nic_state->regs.addcnt = (nic_state->regs.addcnt & 0xff00) | val; - break; - case EN2_ACNT1: - nic_state->regs.addcnt = (nic_state->regs.addcnt & 0x00ff) | (val << 8); - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - break; - } - } - } - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; - -} - -static int ne2k_ioport_read(ushort_t port, - void * dst, - uint_t length, - struct vm_device *dev) -{ - uchar_t page, ret, offset; - - struct ne2k_context *nic_state = (struct ne2k_context* )dev->private_data; - - if (length > 1) { - PrintError("ne2k_read error: length %d\n", length); - return length; - } - - offset = port; - port &= 0x1f; - - if (port == 0x10) - return ne2k_data_read(port, dst, length, dev); - - if (port == 0x1f) - return ne2k_reset_port_read(port, dst, length, dev); - - if (port == EN0_COMMAND) { - ret = nic_state->regs.cmd; - } else { - page = nic_state->regs.cmd >> 6; - if (page == 0){ - switch(port) { - case EN0_CLDALO: - ret = nic_state->regs.clda & 0x00ff; - break; - case EN0_CLDAHI: - ret = (nic_state->regs.clda & 0xff00) >> 8; - break; - case EN0_BOUNDARY: - ret = nic_state->regs.boundary; - break; - case EN0_TSR: - ret = nic_state->regs.tsr; - break; - case EN0_NCR: - ret = nic_state->regs.ncr; - break; - case EN0_FIFO: - ret = nic_state->regs.fifo; - break; - case EN0_ISR: - ret = nic_state->regs.isr; - ne2k_update_irq(dev); - break; - case EN0_CRDALO: - ret = nic_state->regs.crda & 0x00ff; - break; - case EN0_CRDAHI: - ret = (nic_state->regs.crda & 0xff00) >> 8; - break; - case EN0_RSR: - ret = nic_state->regs.rsr; - break; - case EN0_COUNTER0: - ret = nic_state->regs.cntr & 0x000000ff; - break; - case EN0_COUNTER1: - ret = (nic_state->regs.cntr & 0x0000ff00) >> 8; - break; - case EN0_COUNTER2: - ret = (nic_state->regs.cntr & 0x00ff0000) >> 16; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - ret = 0x00; - break; - } - } - if (page == 1){ - switch(port) { - case EN1_PHYS ... EN1_PHYS + 5: - ret = nic_state->regs.phys[port - EN1_PHYS]; - break; - case EN1_CURPAG: - ret = nic_state->regs.curpag; - break; - case EN1_MULT ... EN1_MULT + 7: - ret = nic_state->regs.mult[port - EN1_MULT]; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - ret = 0x00; - break; - } - } - if (page == 2){ - switch(port) { - case EN2_STARTPG: - ret = nic_state->regs.pgstart; - break; - case EN2_STOPPG: - ret = nic_state->regs.pgstop; - break; - case EN2_RNPR: - ret = nic_state->regs.rnpp; - break; - case EN2_LNRP: - ret = nic_state->regs.lnpp; - break; - case EN2_TPSR: - ret = nic_state->regs.tpsr; - break; - case EN2_ACNT0: - ret = nic_state->regs.addcnt & 0x00ff; - break; - case EN2_ACNT1: - ret = (nic_state->regs.addcnt & 0xff00) >> 8; - break; - case EN2_RCR: - ret = nic_state->regs.rcr; - break; - case EN2_TCR: - ret = nic_state->regs.tcr; - break; - case EN2_DCR: - ret = nic_state->regs.dcr; - break; - case EN2_IMR: - ret = nic_state->regs.imr; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - ret = 0x00; - break; - } - } - } - - memcpy(dst, &ret, 1); - - PrintDebug("ne2k_read: port:0x%x val: 0x%x\n", offset, (int)ret); - - #if TEST_PERFORMANCE - if ((++exit_num) % 50 == 0) - PrintError("Ne2k-Ne2k: Total Exit: %d, INT: %d\n", (int)exit_num, int_num); - #endif - - return length; - -} - - -static int ne2k_start_device(struct vm_device *dev) -{ - PrintDebug("vnic: start device\n"); - - return 0; -} - - -static int ne2k_stop_device(struct vm_device *dev) -{ - PrintDebug("vnic: stop device\n"); - - return 0; -} - -static void init_global_setting() -{ - int i; - - V3_Register_pkt_event(&netif_input); - - for (i = 0; i < NUM_NE2K; i++) - ne2ks[i] = NULL; - -} - -static int ne2k_hook_iospace(struct vm_device *vmdev, addr_t base_addr, int size, int type, void *data) -{ - int i; - - if (base_addr <= 0) - return -1; - - PrintDebug("In NIC%d: Hook IO space starting from %x\n", nic_no, (int) base_addr); - - for (i = 0; i < 16; i++){ - v3_dev_hook_io(vmdev, base_addr + i, &ne2k_ioport_read, &ne2k_ioport_write); - } - v3_dev_hook_io(vmdev, base_addr + NIC_DATA_PORT, &ne2k_data_read, &ne2k_data_write); - v3_dev_hook_io(vmdev, base_addr + NIC_RESET_PORT, &ne2k_reset_port_read, &ne2k_reset_port_write); - - return 0; - -} - -static int ne2k_init_device(struct vm_device * vmdev) -{ - struct vm_device *pci = NULL; - struct pci_device *pdev = NULL; - struct ne2k_context *nic_state = (struct ne2k_context *)vmdev->private_data; - - PrintDebug("ne2k%d: init_device\n", nic_no); - - if (nic_no == 0) // only initiate once - init_global_setting(); - - init_ne2k_context(vmdev); - - pci = nic_state->pci; - - if (pci != NULL) { - PrintDebug("Ne2k: attach ne2k to the pci %p\n", pci); - pdev = pci_ne2k_init(vmdev, pci, 0, -1, 0, &ne2k_ioport_read, &ne2k_ioport_write); - if (pdev == NULL) - PrintError("Ne2k: initiate failure, failure to attach ne2k to the bus %p\n", pci); - } else { - PrintDebug("Ne2k: Not attached to any pci\n"); - ne2k_hook_iospace(vmdev, NE2K_DEF_BASE_ADDR, 100, 0, NULL); - } - - nic_state->pci_dev = pdev; - ne2ks[nic_no ++] = vmdev; - - #ifdef DEBUG_NE2K - dump_state(vmdev); - #endif - - return 0; -} - - - -static int ne2k_deinit_device(struct vm_device *vmdev) -{ - int i; - - for (i = 0; i<16; i++){ - v3_dev_unhook_io(vmdev, NE2K_DEF_BASE_ADDR + i); - } - - v3_dev_unhook_io(vmdev, NE2K_DEF_BASE_ADDR + NIC_DATA_PORT); - v3_dev_unhook_io(vmdev, NE2K_DEF_BASE_ADDR + NIC_RESET_PORT); - - return 0; -} - - -static struct vm_device_ops dev_ops = { - .init = ne2k_init_device, - .deinit = ne2k_deinit_device, - .reset = ne2k_reset_device, - .start = ne2k_start_device, - .stop = ne2k_stop_device, -}; - - -struct vm_device *v3_create_ne2k(struct vm_device *pci) -{ - struct ne2k_context * nic_state = V3_Malloc(sizeof(struct ne2k_context)); - - memset(nic_state, 0, sizeof(struct ne2k_context)); - - PrintDebug("NE2K internal at %p\n", (void *)nic_state); - - nic_state->pci = pci; - - struct vm_device *device = v3_create_device("NE2K", &dev_ops, nic_state); - - return device; -} -