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1 | /* | |
2 | * QEMU NE2000 emulation -- isa bus windup | |
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 | #include "hw/hw.h" | |
25 | #include "hw/i386/pc.h" | |
26 | #include "hw/isa/isa.h" | |
27 | #include "hw/qdev.h" | |
28 | #include "net/net.h" | |
29 | #include "ne2000.h" | |
30 | #include "exec/address-spaces.h" | |
31 | ||
32 | #define TYPE_ISA_NE2000 "ne2k_isa" | |
33 | #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000) | |
34 | ||
35 | typedef struct ISANE2000State { | |
36 | ISADevice parent_obj; | |
37 | ||
38 | uint32_t iobase; | |
39 | uint32_t isairq; | |
40 | NE2000State ne2000; | |
41 | } ISANE2000State; | |
42 | ||
43 | static void isa_ne2000_cleanup(NetClientState *nc) | |
44 | { | |
45 | NE2000State *s = qemu_get_nic_opaque(nc); | |
46 | ||
47 | s->nic = NULL; | |
48 | } | |
49 | ||
50 | static NetClientInfo net_ne2000_isa_info = { | |
51 | .type = NET_CLIENT_OPTIONS_KIND_NIC, | |
52 | .size = sizeof(NICState), | |
53 | .can_receive = ne2000_can_receive, | |
54 | .receive = ne2000_receive, | |
55 | .cleanup = isa_ne2000_cleanup, | |
56 | }; | |
57 | ||
58 | static const VMStateDescription vmstate_isa_ne2000 = { | |
59 | .name = "ne2000", | |
60 | .version_id = 2, | |
61 | .minimum_version_id = 0, | |
62 | .minimum_version_id_old = 0, | |
63 | .fields = (VMStateField []) { | |
64 | VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State), | |
65 | VMSTATE_END_OF_LIST() | |
66 | } | |
67 | }; | |
68 | ||
69 | static void isa_ne2000_realizefn(DeviceState *dev, Error **errp) | |
70 | { | |
71 | ISADevice *isadev = ISA_DEVICE(dev); | |
72 | ISANE2000State *isa = ISA_NE2000(dev); | |
73 | NE2000State *s = &isa->ne2000; | |
74 | ||
75 | ne2000_setup_io(s, DEVICE(isadev), 0x20); | |
76 | isa_register_ioport(isadev, &s->io, isa->iobase); | |
77 | ||
78 | isa_init_irq(isadev, &s->irq, isa->isairq); | |
79 | ||
80 | qemu_macaddr_default_if_unset(&s->c.macaddr); | |
81 | ne2000_reset(s); | |
82 | ||
83 | s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c, | |
84 | object_get_typename(OBJECT(dev)), dev->id, s); | |
85 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); | |
86 | } | |
87 | ||
88 | static Property ne2000_isa_properties[] = { | |
89 | DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300), | |
90 | DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), | |
91 | DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), | |
92 | DEFINE_PROP_END_OF_LIST(), | |
93 | }; | |
94 | ||
95 | static void isa_ne2000_class_initfn(ObjectClass *klass, void *data) | |
96 | { | |
97 | DeviceClass *dc = DEVICE_CLASS(klass); | |
98 | ||
99 | dc->realize = isa_ne2000_realizefn; | |
100 | dc->props = ne2000_isa_properties; | |
101 | } | |
102 | ||
103 | static const TypeInfo ne2000_isa_info = { | |
104 | .name = TYPE_ISA_NE2000, | |
105 | .parent = TYPE_ISA_DEVICE, | |
106 | .instance_size = sizeof(ISANE2000State), | |
107 | .class_init = isa_ne2000_class_initfn, | |
108 | }; | |
109 | ||
110 | static void ne2000_isa_register_types(void) | |
111 | { | |
112 | type_register_static(&ne2000_isa_info); | |
113 | } | |
114 | ||
115 | type_init(ne2000_isa_register_types) |