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) 138