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
37typedef struct ISANE2000State {
38 ISADevice parent_obj;
39
40 uint32_t iobase;
41 uint32_t isairq;
42 NE2000State ne2000;
43} ISANE2000State;
44
45static NetClientInfo net_ne2000_isa_info = {
46 .type = NET_CLIENT_DRIVER_NIC,
47 .size = sizeof(NICState),
48 .receive = ne2000_receive,
49};
50
51static 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
61static 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
80static 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
87static 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
97static 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
107static 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
128out:
129 error_propagate(errp, local_err);
130}
131
132static 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}
139static 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
147static void ne2000_isa_register_types(void)
148{
149 type_register_static(&ne2000_isa_info);
150}
151
152type_init(ne2000_isa_register_types)
153