| 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/core/irq.h" |
| 27 | #include "hw/pci/pci_device.h" |
| 28 | #include "hw/core/qdev-properties.h" |
| 29 | #include "migration/vmstate.h" |
| 30 | #include "ne2000.h" |
| 31 | #include "system/system.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 const Property ne2000_properties[] = { |
| 100 | DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c), |
| 101 | }; |
| 102 | |
| 103 | static void ne2000_class_init(ObjectClass *klass, const 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 = (const 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) |