mirror of https://gitee.com/openkylin/qemu.git
137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/*
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* QEMU NE2000 emulation (PCI bus)
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "hw/irq.h"
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#include "hw/pci/pci.h"
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#include "hw/qdev-properties.h"
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#include "migration/vmstate.h"
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#include "ne2000.h"
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#include "sysemu/sysemu.h"
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typedef struct PCINE2000State {
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PCIDevice dev;
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NE2000State ne2000;
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} PCINE2000State;
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static const VMStateDescription vmstate_pci_ne2000 = {
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.name = "ne2000",
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.version_id = 3,
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.minimum_version_id = 3,
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.fields = (VMStateField[]) {
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VMSTATE_PCI_DEVICE(dev, PCINE2000State),
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VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
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VMSTATE_END_OF_LIST()
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}
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};
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static NetClientInfo net_ne2000_info = {
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.type = NET_CLIENT_DRIVER_NIC,
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.size = sizeof(NICState),
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.receive = ne2000_receive,
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};
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static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp)
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{
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PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
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NE2000State *s;
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uint8_t *pci_conf;
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pci_conf = d->dev.config;
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pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
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s = &d->ne2000;
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ne2000_setup_io(s, DEVICE(pci_dev), 0x100);
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pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
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s->irq = pci_allocate_irq(&d->dev);
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qemu_macaddr_default_if_unset(&s->c.macaddr);
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ne2000_reset(s);
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s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
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object_get_typename(OBJECT(pci_dev)),
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pci_dev->qdev.id, s);
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qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
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}
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static void pci_ne2000_exit(PCIDevice *pci_dev)
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{
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PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
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NE2000State *s = &d->ne2000;
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qemu_del_nic(s->nic);
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qemu_free_irq(s->irq);
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}
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static void ne2000_instance_init(Object *obj)
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{
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PCIDevice *pci_dev = PCI_DEVICE(obj);
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PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
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NE2000State *s = &d->ne2000;
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device_add_bootindex_property(obj, &s->c.bootindex,
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"bootindex", "/ethernet-phy@0",
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&pci_dev->qdev);
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}
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static Property ne2000_properties[] = {
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DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void ne2000_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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k->realize = pci_ne2000_realize;
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k->exit = pci_ne2000_exit;
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k->romfile = "efi-ne2k_pci.rom",
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k->vendor_id = PCI_VENDOR_ID_REALTEK;
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k->device_id = PCI_DEVICE_ID_REALTEK_8029;
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k->class_id = PCI_CLASS_NETWORK_ETHERNET;
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dc->vmsd = &vmstate_pci_ne2000;
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device_class_set_props(dc, ne2000_properties);
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set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
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}
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static const TypeInfo ne2000_info = {
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.name = "ne2k_pci",
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(PCINE2000State),
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.class_init = ne2000_class_init,
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.instance_init = ne2000_instance_init,
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.interfaces = (InterfaceInfo[]) {
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{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
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{ },
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},
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};
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static void ne2000_register_types(void)
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{
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type_register_static(&ne2000_info);
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}
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type_init(ne2000_register_types)
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