+++ /dev/null
-/*
- * 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 <lxia@northwestern.edu>
- * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org>
- * All rights reserved.
- *
- * Author: Lei Xia <lxia@northwestern.edu>
- *
- * 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 <devices/vnic.h>
-#include <palacios/vmm.h>
-#include <palacios/vmm_types.h>
-#include <palacios/vmm_io.h>
-#include <palacios/vmm_debug.h>
-
-#define DEBUG_NIC
-
-#ifndef DEBUG_NIC
-#undef PrintDebug()
-#define PrintDebug(fmts, args...)
-#endif
-
-typedef enum {NIC_READY, NIC_REG_POSTED} nic_state_t;
-
-struct nic_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;
- uint32_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 nic_context{
- struct guest_info *vm;
-
- nic_state_t dev_state;
-
- struct nic_regs regs;
-
- uchar_t mac[6]; //the mac address of this nic
-
- uchar_t mem[NE2K_MEM_SIZE];
-};
-
-struct vm_device *current_vnic;
-
-#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; \
- })
-
-
-
-
-static int vnic_mem_write(struct nic_context * nic_state,
- uint32_t addr,
- void * src, uint_t length) {
-
- PrintDebug("wmem addr: %x val: %x\n", addr, val);
-
- if ((addr < NE2K_PMEM_START) || (addr > NE2K_MEM_SIZE))
-
- switch (length) {
- case 1: {
- uchar_t val = *(uchar_t *)src;
-
- }
- case 2:
- case 4:
- }
-
-}
-
-
-static void vnic_mem_writeb(struct nic_context * nic_state,
- uint32_t addr,
- uint32_t val) {
- uchar_t 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 vnic_mem_writew(struct nic_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 vnic_mem_writel(struct nic_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 vnic_mem_readb(struct nic_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 vnic_mem_readw(struct nic_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 vnic_mem_readl(struct nic_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 dump_state(struct vm_device * dev) {
- int i = 0;
- uchar_t * p = NULL;
- struct nic_context * nic_state = (struct nic_context *)dev->private_data;
-
- PrintDebug("====VNIC: Dumping state Begin ==========\n");
- PrintDebug("Registers:\n");
-
- p = (uchar_t *)&nic_state->regs;
-
- for (i = 0; i < sizeof(struct nic_regs); i++) {
- PrintDebug("Regs[i] = 0x%2x\n", (int)p[i]);
- }
-
- PrintDebug("Memory:\n");
-
- for (i = 0; i < 32; i++) {
- PrintDebug("0x%02x ", nic_state->mem[i]);
- }
-
- PrintDebug("\n");
- PrintDebug("====VNIC: Dumping state End==========\n");
-}
-
-static void vnic_update_irq(struct vm_device * dev) {
- struct nic_context * nic_state = (struct nic_context *)dev->private_data;
- struct guest_info * guest = dev->vm;
-
- int isr = ((nic_state->regs.isr & nic_state->regs.imr) & 0x7f);
-
- if ((isr & 0x7f) != 0x0) {
- v3_raise_irq(guest, NIC_IRQ);
- PrintDebug("VNIC: RaiseIrq: isr: 0x%02x imr: 0x%02x\n", nic_state->regs.isr, nic_state->regs.imr);
- }
-}
-
-static void init_vnic_context(struct vm_device * dev) {
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
- int i;
- uchar_t mac[6] = {0x52, 0x54, 0x0, 0x12, 0x34, 0x56};
-
- 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 < 6; i++) {
- nic_state->regs.macaddr[i] = nic_state->mac[i] = mac[i];
- }
-
- 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;
-
- dump_state(dev);
-}
-
-
-static int vnic_send_packet(struct vm_device *dev, uchar_t *pkt, int length) {
- int i;
-
- PrintDebug("\nVNIC: Sending Packet\n");
-
- for (i = 0; i<length; i++) {
- PrintDebug("%x ",pkt[i]);
- }
-
- PrintDebug("\n");
-
- return V3_SEND_PKT(pkt, length);
-}
-
-
-struct vm_device * get_rx_dev(uchar_t * dst_mac) {
- struct nic_context * nic_state = (struct nic_context *)current_vnic->private_data;
- struct nic_regs * nregs = &(nic_state->regs);
-
- static const uchar_t brocast_mac[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
- if (nregs->rcr & 0x10) {
- // promiscuous model
- } else {
- if (compare_mac(dst_mac, brocast_mac)) { //broadcast address
- if (!(nregs->rcr & 0x04)) {
- return NULL;
- }
- } else if (dst_mac[0] & 0x01) {
- // multicast packet, not fully done here
- // ==========
- if (!(nregs->rcr & 0x08)) {
- return NULL;
- }
- } else if (!compare_mac(dst_mac, nic_state->mac)) {
- return NULL;
- } else {
- // TODO: ELSE??
- }
- }
-
- return current_vnic;
-}
-
-static int vnic_rxbuf_full(struct vm_device * dev) {
- int empty, index, boundary;
- struct nic_context * nic_state = (struct nic_context *)dev->private_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 vnic_receive(struct vm_device * dev, const uchar_t * pkt, int length) {
- struct nic_context * nic_state = (struct nic_context *)dev->private_data;
- struct nic_regs * nregs = &(nic_state->regs);
-
- uchar_t * p = NULL;
- uint32_t total_len = 0;
- uint32_t next = 0;
- uint32_t len = 0;
- uint32_t index = 0;
- uint32_t empty = 0;
- uchar_t buf[60];
- uint32_t start = nregs->pgstart << 8;
- uint32_t stop = nregs->pgstop << 8;
-
- //PrintDebug("VNIC: received packet, len=%d\n", length);
-
- if (nregs->cmd & NE2K_STOP) {
- return;
- }
-
- if (vnic_rxbuf_full(dev)){
- PrintDebug("VNIC: received buffer overflow\n");
- return;
- }
-
- // if too small buffer, 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;
-
- // 4 bytes header
- 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;
- vnic_update_irq(dev);
-}
-
-// =====begin here
-#if 0
-void pci_vnic_init(PCIBus * bus, NICInfo * nd, int devfn)
-{
- PCINE2000State * d = NULL;
- NE2000State * s = NULL;
- uint8_t * pci_conf = NULL;
- struct pci_device * pdev = pci_register_device(bus,
- "NE2000", sizeof(PCINE2000State),
- devfn,
- NULL, NULL);
- pci_conf = d->dev.config;
-
- 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_register_io_region(&d->dev, 0, 0x100,
- PCI_ADDRESS_SPACE_IO, ne2000_map);
- s = &d->ne2000;
-
- s->irq = d->dev.irq[0];
-
- s->pci_dev = (PCIDevice *)d;
-
- memcpy(s->macaddr, nd->macaddr, 6);
-
- ne2000_reset(s);
-
- s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
- ne2000_can_receive, s);
-
- snprintf(s->vc->info_str, sizeof(s->vc->info_str),
- "ne2000 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- s->macaddr[0],
- s->macaddr[1],
- s->macaddr[2],
- s->macaddr[3],
- s->macaddr[4],
- s->macaddr[5]);
-
- /* XXX: instance number ? */
- register_savevm("ne2000", 0, 3, ne2000_save, ne2000_load, s);
-}
-#endif
-//End Here====================================
-
-static int netif_input(uchar_t * pkt, uint_t size) {
- uint_t i;
- struct vm_device * dev = NULL;
-
- PrintDebug("\nVNIC: Packet Received:\nSource:");
-
- for (i = 6; i < 12; i++) {
- PrintDebug("%x ", pkt[i]);
- }
-
- dev = get_rx_dev(pkt);
-
- if (dev == NULL) {
- return 0;
- }
- PrintDebug("\n");
-
- for(i = 0; i < size; i++) {
- PrintDebug("%x ", pkt[i]);
- }
-
- vnic_receive(dev, pkt, size);
-
- return 0;
-}
-
-
-static int vnic_ioport_write(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev) {
- uchar_t page = 0;
- struct nic_context *nic_state = (struct nic_context* )dev->private_data;
- uchar_t val = 0;
- int index;
-
- if (length == 1) {
- memcpy(&val, src, 1);
- } else {
- PrintDebug("vnic_write error: length %d\n", length);
- return length;
- }
-
- port &= 0x1f;
-
- PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port, length, (int)val);
-
- 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;
- vnic_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) {
- vnic_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;
-
- vnic_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);
- vnic_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;
- vnic_update_irq(dev);
- break;
- default:
- PrintDebug("vnic_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:
- nic_state->regs.mult[port - EN1_MULT] = val;
- break;
- default:
- PrintDebug("vnic_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:
- PrintDebug("vnic_write error: invalid port:0x%x\n", port);
- break;
- }
- }
- }
-
- //dump_state(dev);
-
- return length;
-
-}
-
-static int vnic_ioport_read(ushort_t port, void * dst, uint_t length, struct vm_device *dev) {
- uchar_t page = 0;
- int val = 0;
-
- struct nic_context *nic_state = (struct nic_context* )dev->private_data;
-
- if (length > 1) {
- PrintDebug("vnic_read error: length %d\n", length);
- valurn length;
- }
-
- port &= 0x1f;
-
- if (port == EN0_COMMAND) {
- val = nic_state->regs.cmd;
- } else {
- page = nic_state->regs.cmd >> 6;
-
- if (page == 0) {
-
- switch (port) {
- case EN0_CLDALO:
- val = nic_state->regs.clda & 0x00ff;
- break;
- case EN0_CLDAHI:
- val = (nic_state->regs.clda & 0xff00) >> 8;
- break;
- case EN0_BOUNDARY:
- val = nic_state->regs.boundary;
- break;
- case EN0_TSR:
- val = nic_state->regs.tsr;
- break;
- case EN0_NCR:
- val = nic_state->regs.ncr;
- break;
- case EN0_FIFO:
- val = nic_state->regs.fifo;
- break;
- case EN0_ISR:
- val = nic_state->regs.isr;
- vnic_update_irq(dev);
- break;
- case EN0_CRDALO:
- val = nic_state->regs.crda & 0x00ff;
- break;
- case EN0_CRDAHI:
- val = (nic_state->regs.crda & 0xff00) >> 8;
- break;
- case EN0_RSR:
- val = nic_state->regs.rsr;
- break;
- case EN0_COUNTER0:
- val = nic_state->regs.cntr & 0x000000ff;
- break;
- case EN0_COUNTER1:
- val = (nic_state->regs.cntr & 0x0000ff00) >> 8;
- break;
- case EN0_COUNTER2:
- val = (nic_state->regs.cntr & 0x00ff0000) >> 16;
- break;
- default:
- PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- val = 0x00;
- break;
- }
-
- } else if (page == 1) {
-
- switch(port) {
- case EN1_PHYS ... EN1_PHYS + 5:
- val = nic_state->regs.phys[port - EN1_PHYS];
- break;
- case EN1_CURPAG:
- val = nic_state->regs.curpag;
- break;
- case EN1_MULT ... EN1_MULT + 7:
- val = nic_state->regs.mult[port - EN1_MULT];
- break;
- default:
- PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- val = 0x00;
- break;
- }
-
- } else if (page == 2) {
-
- switch(port) {
- case EN2_STARTPG:
- val = nic_state->regs.pgstart;
- break;
- case EN2_STOPPG:
- val = nic_state->regs.pgstop;
- break;
- case EN2_RNPR:
- val = nic_state->regs.rnpp;
- break;
- case EN2_LNRP:
- val = nic_state->regs.lnpp;
- break;
- case EN2_TPSR:
- val = nic_state->regs.tpsr;
- break;
- case EN2_ACNT0:
- val = nic_state->regs.addcnt & 0x00ff;
- break;
- case EN2_ACNT1:
- val = (nic_state->regs.addcnt & 0xff00) >> 8;
- break;
- case EN2_RCR:
- val = nic_state->regs.rcr;
- break;
- case EN2_TCR:
- val = nic_state->regs.tcr;
- break;
- case EN2_DCR:
- val = nic_state->regs.dcr;
- break;
- case EN2_IMR:
- val = nic_state->regs.imr;
- break;
- default:
- PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- val = 0x00;
- break;
- }
- }
- }
-
- memcpy(dst, &val, 1);
-
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, (uint32_t)val);
-
- //dump_state(dev);
-
- return length;
-
-}
-
-
-
-
-static void vnic_dma_update(struct vm_device * dev, int len) {
- struct nic_context *nic_state = (struct nic_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;
-
- vnic_update_irq(dev);
- } else {
- nic_state->regs.rbcr -= len;
- }
-}
-
-
-//for data port read/write
-static int vnic_data_read(ushort_t port,
- void * dst,
- uint_t length,
- struct vm_device * dev) {
- uint32_t val = 0;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
-
- // current dma address
- uint32_t addr = nic_state->regs.rsar;
-
- switch (length) {
- case 1:
- val = vnic_mem_readb(nic_state, addr);
- break;
- case 2:
- val = vnic_mem_readw(nic_state, addr);
- break;
- case 4:
- val = vnic_mem_readl(nic_state, addr);
- break;
- default:
- PrintDebug("vnic_data_read error: invalid length %d\n", length);
- val = 0x0;
- }
-
- vnic_dma_update(dev, length);
-
- memcpy(dst, &val, length);
-
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x", port & 0x1f,length, val);
-
- return length;
-}
-
-static int vnic_data_write(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev) {
- uint32_t val = 0;
- struct nic_context * nic_state = (struct nic_context *)dev->private_data;
-
- uint32_t addr = nic_state->regs.rsar;
-
- if (nic_state->regs.rbcr == 0) {
- return length;
- }
-
- memcpy(&val, src, length);
-
- //determine the starting address of reading/writing
- //addr= ??
-
- switch (length) {
- case 1:
- vnic_mem_writeb(nic_state, addr, val);
- break;
- case 2:
- vnic_mem_writew(nic_state, addr, val);
- break;
- case 4:
- vnic_mem_writel(nic_state, addr, val);
- break;
- default:
- PrintDebug("nic_data_write error: invalid length %d\n", length);
- }
-
- vnic_dma_update(dev, length);
-
- PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port & 0x1f,length, val);
-
- return length;
-}
-
-static int vnic_reset_device(struct vm_device * dev) {
-
- PrintDebug("vnic: reset device\n");
-
- init_vnic_context(dev);
-
- return 0;
-}
-
-
-//for 0xc11f port
-static int vnic_reset_port_read(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
- uint32_t val = 0;
-
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, val);
- memcpy(dst, &val, length);
-
- vnic_reset_device(dev);
-
- return length;
-}
-
-static int vnic_reset_port_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
- uint32_t val = 0;
-
- PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port,length, val);
- memcpy(&val, src, length);
-
- return length;
-}
-
-
-static int vnic_start_device(struct vm_device * dev) {
- PrintDebug("vnic: start device\n");
- return 0;
-}
-
-
-static int vnic_stop_device(struct vm_device * dev) {
- PrintDebug("vnic: stop device\n");
- return 0;
-}
-
-static void init_phy_network() {
- V3_REGISTER_PKT_DELIVERY(&netif_input);
-}
-
-static int vnic_init_device(struct vm_device * dev) {
- int i;
-
- PrintDebug("vnic: init_device\n");
-
- init_phy_network();
- init_vnic_context(dev);
-
- current_vnic = dev;
-
- for (i = 0; i < 16; i++) {
- v3_dev_hook_io(dev, NIC_BASE_ADDR + i, &vnic_ioport_read, &vnic_ioport_write);
- }
-
- v3_dev_hook_io(dev, NIC_BASE_ADDR + NIC_DATA_PORT, &vnic_data_read, &vnic_data_write);
- v3_dev_hook_io(dev, NIC_BASE_ADDR + NIC_RESET_PORT, &vnic_reset_port_read, &vnic_reset_port_write);
-
- return 0;
-}
-
-
-
-static int vnic_deinit_device(struct vm_device * dev) {
- int i;
-
- for (i = 0; i < 16; i++){
- v3_dev_unhook_io(dev, NIC_BASE_ADDR + i);
- }
-
- v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_DATA_PORT);
- v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_RESET_PORT);
-
- //vnic_reset_device(dev);
-
- return 0;
-}
-
-
-static struct vm_device_ops dev_ops = {
- .init = vnic_init_device,
- .deinit = vnic_deinit_device,
- .reset = vnic_reset_device,
- .start = vnic_start_device,
- .stop = vnic_stop_device,
-};
-
-
-struct vm_device * v3_create_vnic() {
- struct nic_context * nic_state = V3_Malloc(sizeof(struct nic_context));
-
- //memset(nic_state, 0, sizeof(struct nic_context));
-
- //PrintDebug("VNIC internal at %x\n",(int)nic_state);
-
- struct vm_device *device = v3_create_device("VNIC", &dev_ops, nic_state);
-
- return device;
-}
-
