qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

ne2000-pci.c (4362B)

      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 
     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 = (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, s);
     75     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
     76 }
     77 
     78 static 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 
     87 static 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 
     98 static Property ne2000_properties[] = {
     99     DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
    100     DEFINE_PROP_END_OF_LIST(),
    101 };
    102 
    103 static 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 
    119 static 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 
    131 static void ne2000_register_types(void)
    132 {
    133     type_register_static(&ne2000_info);
    134 }
    135 
    136 type_init(ne2000_register_types)