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
  25#include "qemu/osdep.h"
  26#include "hw/irq.h"
  27#include "hw/pci/pci.h"
  28#include "hw/qdev-properties.h"
  29#include "migration/vmstate.h"
  30#include "ne2000.h"
  31#include "sysemu/sysemu.h"
  32
  33typedef struct PCINE2000State {
  34    PCIDevice dev;
  35    NE2000State ne2000;
  36} PCINE2000State;
  37
  38static const VMStateDescription vmstate_pci_ne2000 = {
  39    .name = "ne2000",
  40    .version_id = 3,
  41    .minimum_version_id = 3,
  42    .fields = (VMStateField[]) {
  43        VMSTATE_PCI_DEVICE(dev, PCINE2000State),
  44        VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
  45        VMSTATE_END_OF_LIST()
  46    }
  47};
  48
  49static NetClientInfo net_ne2000_info = {
  50    .type = NET_CLIENT_DRIVER_NIC,
  51    .size = sizeof(NICState),
  52    .receive = ne2000_receive,
  53};
  54
  55static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp)
  56{
  57    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  58    NE2000State *s;
  59    uint8_t *pci_conf;
  60
  61    pci_conf = d->dev.config;
  62    pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
  63
  64    s = &d->ne2000;
  65    ne2000_setup_io(s, DEVICE(pci_dev), 0x100);
  66    pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
  67    s->irq = pci_allocate_irq(&d->dev);
  68
  69    qemu_macaddr_default_if_unset(&s->c.macaddr);
  70    ne2000_reset(s);
  71
  72    s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
  73                          object_get_typename(OBJECT(pci_dev)),
  74                          pci_dev->qdev.id, s);
  75    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  76}
  77
  78static void pci_ne2000_exit(PCIDevice *pci_dev)
  79{
  80    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  81    NE2000State *s = &d->ne2000;
  82
  83    qemu_del_nic(s->nic);
  84    qemu_free_irq(s->irq);
  85}
  86
  87static void ne2000_instance_init(Object *obj)
  88{
  89    PCIDevice *pci_dev = PCI_DEVICE(obj);
  90    PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
  91    NE2000State *s = &d->ne2000;
  92
  93    device_add_bootindex_property(obj, &s->c.bootindex,
  94                                  "bootindex", "/ethernet-phy@0",
  95                                  &pci_dev->qdev);
  96}
  97
  98static Property ne2000_properties[] = {
  99    DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
 100    DEFINE_PROP_END_OF_LIST(),
 101};
 102
 103static void ne2000_class_init(ObjectClass *klass, void *data)
 104{
 105    DeviceClass *dc = DEVICE_CLASS(klass);
 106    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 107
 108    k->realize = pci_ne2000_realize;
 109    k->exit = pci_ne2000_exit;
 110    k->romfile = "efi-ne2k_pci.rom",
 111    k->vendor_id = PCI_VENDOR_ID_REALTEK;
 112    k->device_id = PCI_DEVICE_ID_REALTEK_8029;
 113    k->class_id = PCI_CLASS_NETWORK_ETHERNET;
 114    dc->vmsd = &vmstate_pci_ne2000;
 115    device_class_set_props(dc, ne2000_properties);
 116    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 117}
 118
 119static const TypeInfo ne2000_info = {
 120    .name          = "ne2k_pci",
 121    .parent        = TYPE_PCI_DEVICE,
 122    .instance_size = sizeof(PCINE2000State),
 123    .class_init    = ne2000_class_init,
 124    .instance_init = ne2000_instance_init,
 125    .interfaces = (InterfaceInfo[]) {
 126        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
 127        { },
 128    },
 129};
 130
 131static void ne2000_register_types(void)
 132{
 133    type_register_static(&ne2000_info);
 134}
 135
 136type_init(ne2000_register_types)
 137