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28#include "qemu/osdep.h"
29#include "chardev/char.h"
30#include "qemu/module.h"
31#include "qemu/sockets.h"
32#include "qapi/error.h"
33#include "qom/object_interfaces.h"
34#include "net/can_emu.h"
35#include "net/can_host.h"
36
37struct CanBusState {
38 Object object;
39
40 QTAILQ_HEAD(, CanBusClientState) clients;
41};
42
43static void can_host_disconnect(CanHostState *ch)
44{
45 CanHostClass *chc = CAN_HOST_GET_CLASS(ch);
46
47 can_bus_remove_client(&ch->bus_client);
48 chc->disconnect(ch);
49}
50
51static void can_host_connect(CanHostState *ch, Error **errp)
52{
53 CanHostClass *chc = CAN_HOST_GET_CLASS(ch);
54 Error *local_err = NULL;
55
56 if (ch->bus == NULL) {
57 error_setg(errp, "'canbus' property not set");
58 return;
59 }
60
61 chc->connect(ch, &local_err);
62 if (local_err) {
63 error_propagate(errp, local_err);
64 return;
65 }
66
67 can_bus_insert_client(ch->bus, &ch->bus_client);
68}
69
70static void can_host_unparent(Object *obj)
71{
72 can_host_disconnect(CAN_HOST(obj));
73}
74
75static void can_host_complete(UserCreatable *uc, Error **errp)
76{
77 can_host_connect(CAN_HOST(uc), errp);
78}
79
80static void can_host_class_init(ObjectClass *klass,
81 void *class_data G_GNUC_UNUSED)
82{
83 UserCreatableClass *uc_klass = USER_CREATABLE_CLASS(klass);
84
85 object_class_property_add_link(klass, "canbus", TYPE_CAN_BUS,
86 offsetof(CanHostState, bus),
87 object_property_allow_set_link,
88 OBJ_PROP_LINK_STRONG);
89
90 klass->unparent = can_host_unparent;
91 uc_klass->complete = can_host_complete;
92}
93
94static const TypeInfo can_host_info = {
95 .parent = TYPE_OBJECT,
96 .name = TYPE_CAN_HOST,
97 .instance_size = sizeof(CanHostState),
98 .class_size = sizeof(CanHostClass),
99 .abstract = true,
100 .class_init = can_host_class_init,
101 .interfaces = (InterfaceInfo[]) {
102 { TYPE_USER_CREATABLE },
103 { }
104 }
105};
106
107static void can_host_register_types(void)
108{
109 type_register_static(&can_host_info);
110}
111
112type_init(can_host_register_types);
113