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, NULL); |
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 | dc->props = 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) |
137 | |