cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

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
     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)