+++ /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) 2008, Jack Lange <jarusl@cs.northwestern.edu>
- * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
- * All rights reserved.
- *
- * Author: Jack Lange <jarusl@cs.northwestern.edu>
- *
- * This is free software. You are permitted to use,
- * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
- */
-
-
-#include <palacios/vmm.h>
-#include <palacios/vmm_dev_mgr.h>
-#include <palacios/vm_guest_mem.h>
-#include <palacios/vmm_hypercall.h>
-
-#define TX_HYPERCALL 0x300
-#define RX_HYPERCALL 0x301
-#define MACADDR_HYPERCALL 0x302
-
-
-struct nic_state {
- uchar_t mac_addr[6];
-};
-
-
-
-static int tx_call(struct guest_info * info, uint_t call_no, void * priv_data) {
- // struct nic_state * nic = (struct nic_state *)priv_data;
- addr_t pkt_gpa = info->vm_regs.rbx;
- int pkt_len = info->vm_regs.rcx;
- uchar_t * pkt = V3_Malloc(pkt_len);
-
- PrintDebug("Transmitting Packet\n");
-
- if (read_guest_pa_memory(info, pkt_gpa, pkt_len, pkt) != -1) {
- return -1;
- }
-
-
- return -1;
-}
-
-
-static int rx_call(struct guest_info * info, uint_t call_no, void * priv_data) {
- // struct nic_state * nic = (struct nic_state *)priv_data;
- addr_t pkt_gpa = info->vm_regs.rbx;
- uint_t pkt_len = 0;
- uchar_t * pkt = NULL;
-
- PrintDebug("Receiving Packet\n");
- return -1;
-
- if (write_guest_pa_memory(info, pkt_gpa, pkt_len, pkt) != -1) {
- return -1;
- }
-
- return -1;
-}
-
-
-static int macaddr_call(struct guest_info * info, uint_t call_no, void * priv_data) {
- struct nic_state * nic = (struct nic_state *)priv_data;
- addr_t mac_gpa = info->vm_regs.rbx;
-
-
- PrintDebug("Returning MAC ADDR\n");
-
- if (write_guest_pa_memory(info, mac_gpa, 6, nic->mac_addr) != 6) {
- PrintError("Could not write mac address\n");
- return -1;
- }
-
- return 0;
-}
-
-
-static int net_free(struct vm_device * dev) {
-
- return 0;
-}
-
-
-static struct v3_device_ops dev_ops = {
- .free = net_free,
- .reset = NULL,
- .start = NULL,
- .stop = NULL,
-};
-
-
-
-
-static int net_init(struct guest_info * vm, v3_cfg_tree_t * cfg) {
- struct nic_state * state = NULL;
- char * name = v3_cfg_val(cfg, "name");
-
- state = (struct nic_state *)V3_Malloc(sizeof(struct nic_state));
-
- PrintDebug("Creating VMNet Device\n");
-
- struct vm_device * dev = v3_allocate_device(name, &dev_ops, state);
-
- if (v3_attach_device(vm, dev) == -1) {
- PrintError("Could not attach device %s\n", name);
- return -1;
- }
-
-
- v3_register_hypercall(vm, TX_HYPERCALL, tx_call, state);
- v3_register_hypercall(vm, RX_HYPERCALL, rx_call, state);
- v3_register_hypercall(vm, MACADDR_HYPERCALL, macaddr_call, state);
-
- state->mac_addr[0] = 0x52;
- state->mac_addr[1] = 0x54;
- state->mac_addr[2] = 0x00;
- state->mac_addr[3] = 0x12;
- state->mac_addr[4] = 0x34;
- state->mac_addr[5] = 0x56;
-
- return 0;
-}
-
-
-device_register("VMNET", net_init)
