LXR qemu/hw/net/ne2000-pci.c

   1/*
   2 * QEMU NE2000 emulation (PCI bus)
   3 *
   4 * Copyright (c) 2003-2004 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24#include "qemu/osdep.h"
  25#include "hw/pci/pci.h"
  26#include "ne2000.h"
  27#include "sysemu/sysemu.h"
  28
  29typedef struct PCINE2000State {
  30    PCIDevice dev;
  31    NE2000State ne2000;
  32} PCINE2000State;
  33
  34static const VMStateDescription vmstate_pci_ne2000 = {
  35    .name = "ne2000",
  36    .version_id = 3,
  37    .minimum_version_id = 3,
  38    .fields = (VMStateField[]) {
  39        VMSTATE_PCI_DEVICE(dev, PCINE2000State),
  40        VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
  41        VMSTATE_END_OF_LIST()
  42    }
  43};
  44
  45static NetClientInfo net_ne2000_info = {
  46    .type = NET_CLIENT_DRIVER_NIC,
  47    .size = sizeof(NICState),
  48    .receive = ne2000_receive,
  49};
  50
  51static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp)
  52{
  53    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  54    NE2000State *s;
  55    uint8_t *pci_conf;
  56
  57    pci_conf = d->dev.config;
  58    pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
  59
  60    s = &d->ne2000;
  61    ne2000_setup_io(s, DEVICE(pci_dev), 0x100);
  62    pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
  63    s->irq = pci_allocate_irq(&d->dev);
  64
  65    qemu_macaddr_default_if_unset(&s->c.macaddr);
  66    ne2000_reset(s);
  67
  68    s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
  69                          object_get_typename(OBJECT(pci_dev)),
  70                          pci_dev->qdev.id, s);
  71    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  72}
  73
  74static void pci_ne2000_exit(PCIDevice *pci_dev)
  75{
  76    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  77    NE2000State *s = &d->ne2000;
  78
  79    qemu_del_nic(s->nic);
  80    qemu_free_irq(s->irq);
  81}
  82
  83static void ne2000_instance_init(Object *obj)
  84{
  85    PCIDevice *pci_dev = PCI_DEVICE(obj);
  86    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  87    NE2000State *s = &d->ne2000;
  88
  89    device_add_bootindex_property(obj, &s->c.bootindex,
  90                                  "bootindex", "/ethernet-phy@0",
  91                                  &pci_dev->qdev, NULL);
  92}
  93
  94static Property ne2000_properties[] = {
  95    DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
  96    DEFINE_PROP_END_OF_LIST(),
  97};
  98
  99static void ne2000_class_init(ObjectClass *klass, void *data)
 100{
 101    DeviceClass *dc = DEVICE_CLASS(klass);
 102    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 103
 104    k->realize = pci_ne2000_realize;
 105    k->exit = pci_ne2000_exit;
 106    k->romfile = "efi-ne2k_pci.rom",
 107    k->vendor_id = PCI_VENDOR_ID_REALTEK;
 108    k->device_id = PCI_DEVICE_ID_REALTEK_8029;
 109    k->class_id = PCI_CLASS_NETWORK_ETHERNET;
 110    dc->vmsd = &vmstate_pci_ne2000;
 111    dc->props = ne2000_properties;
 112    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 113}
 114
 115static const TypeInfo ne2000_info = {
 116    .name          = "ne2k_pci",
 117    .parent        = TYPE_PCI_DEVICE,
 118    .instance_size = sizeof(PCINE2000State),
 119    .class_init    = ne2000_class_init,
 120    .instance_init = ne2000_instance_init,
 121    .interfaces = (InterfaceInfo[]) {
 122        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
 123        { },
 124    },
 125};
 126
 127static void ne2000_register_types(void)
 128{
 129    type_register_static(&ne2000_info);
 130}
 131
 132type_init(ne2000_register_types)
 133