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