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 | |
25 | #include "qemu/osdep.h" |
26 | #include "hw/isa/isa.h" |
27 | #include "hw/net/ne2000-isa.h" |
28 | #include "migration/vmstate.h" |
29 | #include "ne2000.h" |
30 | #include "sysemu/sysemu.h" |
31 | #include "qapi/error.h" |
32 | #include "qapi/visitor.h" |
33 | #include "qemu/module.h" |
34 | |
35 | #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000) |
36 | |
37 | typedef struct ISANE2000State { |
38 | ISADevice parent_obj; |
39 | |
40 | uint32_t iobase; |
41 | uint32_t isairq; |
42 | NE2000State ne2000; |
43 | } ISANE2000State; |
44 | |
45 | static NetClientInfo net_ne2000_isa_info = { |
46 | .type = NET_CLIENT_DRIVER_NIC, |
47 | .size = sizeof(NICState), |
48 | .receive = ne2000_receive, |
49 | }; |
50 | |
51 | static const VMStateDescription vmstate_isa_ne2000 = { |
52 | .name = "ne2000" , |
53 | .version_id = 2, |
54 | .minimum_version_id = 0, |
55 | .fields = (VMStateField[]) { |
56 | VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State), |
57 | VMSTATE_END_OF_LIST() |
58 | } |
59 | }; |
60 | |
61 | static void isa_ne2000_realizefn(DeviceState *dev, Error **errp) |
62 | { |
63 | ISADevice *isadev = ISA_DEVICE(dev); |
64 | ISANE2000State *isa = ISA_NE2000(dev); |
65 | NE2000State *s = &isa->ne2000; |
66 | |
67 | ne2000_setup_io(s, DEVICE(isadev), 0x20); |
68 | isa_register_ioport(isadev, &s->io, isa->iobase); |
69 | |
70 | isa_init_irq(isadev, &s->irq, isa->isairq); |
71 | |
72 | qemu_macaddr_default_if_unset(&s->c.macaddr); |
73 | ne2000_reset(s); |
74 | |
75 | s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c, |
76 | object_get_typename(OBJECT(dev)), dev->id, s); |
77 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); |
78 | } |
79 | |
80 | static Property ne2000_isa_properties[] = { |
81 | DEFINE_PROP_UINT32("iobase" , ISANE2000State, iobase, 0x300), |
82 | DEFINE_PROP_UINT32("irq" , ISANE2000State, isairq, 9), |
83 | DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), |
84 | DEFINE_PROP_END_OF_LIST(), |
85 | }; |
86 | |
87 | static void isa_ne2000_class_initfn(ObjectClass *klass, void *data) |
88 | { |
89 | DeviceClass *dc = DEVICE_CLASS(klass); |
90 | |
91 | dc->realize = isa_ne2000_realizefn; |
92 | dc->props = ne2000_isa_properties; |
93 | dc->vmsd = &vmstate_isa_ne2000; |
94 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); |
95 | } |
96 | |
97 | static void isa_ne2000_get_bootindex(Object *obj, Visitor *v, |
98 | const char *name, void *opaque, |
99 | Error **errp) |
100 | { |
101 | ISANE2000State *isa = ISA_NE2000(obj); |
102 | NE2000State *s = &isa->ne2000; |
103 | |
104 | visit_type_int32(v, name, &s->c.bootindex, errp); |
105 | } |
106 | |
107 | static void isa_ne2000_set_bootindex(Object *obj, Visitor *v, |
108 | const char *name, void *opaque, |
109 | Error **errp) |
110 | { |
111 | ISANE2000State *isa = ISA_NE2000(obj); |
112 | NE2000State *s = &isa->ne2000; |
113 | int32_t boot_index; |
114 | Error *local_err = NULL; |
115 | |
116 | visit_type_int32(v, name, &boot_index, &local_err); |
117 | if (local_err) { |
118 | goto out; |
119 | } |
120 | /* check whether bootindex is present in fw_boot_order list */ |
121 | check_boot_index(boot_index, &local_err); |
122 | if (local_err) { |
123 | goto out; |
124 | } |
125 | /* change bootindex to a new one */ |
126 | s->c.bootindex = boot_index; |
127 | |
128 | out: |
129 | error_propagate(errp, local_err); |
130 | } |
131 | |
132 | static void isa_ne2000_instance_init(Object *obj) |
133 | { |
134 | object_property_add(obj, "bootindex" , "int32" , |
135 | isa_ne2000_get_bootindex, |
136 | isa_ne2000_set_bootindex, NULL, NULL, NULL); |
137 | object_property_set_int(obj, -1, "bootindex" , NULL); |
138 | } |
139 | static const TypeInfo ne2000_isa_info = { |
140 | .name = TYPE_ISA_NE2000, |
141 | .parent = TYPE_ISA_DEVICE, |
142 | .instance_size = sizeof(ISANE2000State), |
143 | .class_init = isa_ne2000_class_initfn, |
144 | .instance_init = isa_ne2000_instance_init, |
145 | }; |
146 | |
147 | static void ne2000_isa_register_types(void) |
148 | { |
149 | type_register_static(&ne2000_isa_info); |
150 | } |
151 | |
152 | type_init(ne2000_isa_register_types) |
153 | |