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
  29 typedef struct PCINE2000State {
  30     PCIDevice dev;
  31     NE2000State ne2000;
  32 } PCINE2000State;
  33
  34 static 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
  45 static NetClientInfo net_ne2000_info = {
  46     .type = NET_CLIENT_DRIVER_NIC,
  47     .size = sizeof(NICState),
  48     .receive = ne2000_receive,
  49 };
  50
  51 static 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
  74 static 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
  83 static 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
  94 static Property ne2000_properties[] = {
  95     DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
  96     DEFINE_PROP_END_OF_LIST(),
  97 };
  98
  99 static 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
 115 static 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
 127 static void ne2000_register_types(void)
 128 {
 129     type_register_static(&ne2000_info);
 130 }
 131
 132 type_init(ne2000_register_types)