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 #include "qom/object.h"
35
36 OBJECT_DECLARE_SIMPLE_TYPE(ISANE2000State, ISA_NE2000)
37
38 struct ISANE2000State {
39 ISADevice parent_obj;
40
41 uint32_t iobase;
42 uint32_t isairq;
43 NE2000State ne2000;
44 };
45
46 static NetClientInfo net_ne2000_isa_info = {
47 .type = NET_CLIENT_DRIVER_NIC,
48 .size = sizeof(NICState),
49 .receive = ne2000_receive,
50 };
51
52 static const VMStateDescription vmstate_isa_ne2000 = {
53 .name = "ne2000",
54 .version_id = 2,
55 .minimum_version_id = 0,
56 .fields = (const VMStateField[]) {
57 VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
58 VMSTATE_END_OF_LIST()
59 }
60 };
61
isa_ne2000_realizefn(DeviceState * dev,Error ** errp)62 static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)
63 {
64 ISADevice *isadev = ISA_DEVICE(dev);
65 ISANE2000State *isa = ISA_NE2000(dev);
66 NE2000State *s = &isa->ne2000;
67
68 ne2000_setup_io(s, DEVICE(isadev), 0x20);
69 isa_register_ioport(isadev, &s->io, isa->iobase);
70
71 s->irq = isa_get_irq(isadev, isa->isairq);
72
73 qemu_macaddr_default_if_unset(&s->c.macaddr);
74 ne2000_reset(s);
75
76 s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
77 object_get_typename(OBJECT(dev)), dev->id,
78 &dev->mem_reentrancy_guard, s);
79 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
80 }
81
82 static Property ne2000_isa_properties[] = {
83 DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300),
84 DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9),
85 DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
86 DEFINE_PROP_END_OF_LIST(),
87 };
88
isa_ne2000_class_initfn(ObjectClass * klass,void * data)89 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
90 {
91 DeviceClass *dc = DEVICE_CLASS(klass);
92
93 dc->realize = isa_ne2000_realizefn;
94 device_class_set_props(dc, ne2000_isa_properties);
95 dc->vmsd = &vmstate_isa_ne2000;
96 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
97 }
98
isa_ne2000_get_bootindex(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)99 static void isa_ne2000_get_bootindex(Object *obj, Visitor *v,
100 const char *name, void *opaque,
101 Error **errp)
102 {
103 ISANE2000State *isa = ISA_NE2000(obj);
104 NE2000State *s = &isa->ne2000;
105
106 visit_type_int32(v, name, &s->c.bootindex, errp);
107 }
108
isa_ne2000_set_bootindex(Object * obj,Visitor * v,const char * name,void * opaque,Error ** errp)109 static void isa_ne2000_set_bootindex(Object *obj, Visitor *v,
110 const char *name, void *opaque,
111 Error **errp)
112 {
113 ISANE2000State *isa = ISA_NE2000(obj);
114 NE2000State *s = &isa->ne2000;
115 int32_t boot_index;
116 Error *local_err = NULL;
117
118 if (!visit_type_int32(v, name, &boot_index, errp)) {
119 return;
120 }
121 /* check whether bootindex is present in fw_boot_order list */
122 check_boot_index(boot_index, &local_err);
123 if (local_err) {
124 goto out;
125 }
126 /* change bootindex to a new one */
127 s->c.bootindex = boot_index;
128
129 out:
130 error_propagate(errp, local_err);
131 }
132
isa_ne2000_instance_init(Object * obj)133 static void isa_ne2000_instance_init(Object *obj)
134 {
135 object_property_add(obj, "bootindex", "int32",
136 isa_ne2000_get_bootindex,
137 isa_ne2000_set_bootindex, NULL, NULL);
138 object_property_set_int(obj, "bootindex", -1, NULL);
139 }
140 static const TypeInfo ne2000_isa_info = {
141 .name = TYPE_ISA_NE2000,
142 .parent = TYPE_ISA_DEVICE,
143 .instance_size = sizeof(ISANE2000State),
144 .class_init = isa_ne2000_class_initfn,
145 .instance_init = isa_ne2000_instance_init,
146 };
147
ne2000_isa_register_types(void)148 static void ne2000_isa_register_types(void)
149 {
150 type_register_static(&ne2000_isa_info);
151 }
152
153 type_init(ne2000_isa_register_types)
154