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
pci_ne2000_realize(PCIDevice * pci_dev,Error ** errp)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
pci_ne2000_exit(PCIDevice * pci_dev)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
ne2000_instance_init(Object * obj)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
ne2000_class_init(ObjectClass * klass,void * data)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
ne2000_register_types(void)132 static void ne2000_register_types(void)
133 {
134 type_register_static(&ne2000_info);
135 }
136
137 type_init(ne2000_register_types)
138