1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25#include "qemu/osdep.h"
26#include "qemu/log.h"
27#include "qemu/module.h"
28#include "qapi/error.h"
29#include "hw/irq.h"
30#include "hw/ipmi/ipmi_bt.h"
31#include "hw/isa/isa.h"
32#include "hw/qdev-properties.h"
33#include "migration/vmstate.h"
34
35#define TYPE_ISA_IPMI_BT "isa-ipmi-bt"
36#define ISA_IPMI_BT(obj) OBJECT_CHECK(ISAIPMIBTDevice, (obj), \
37 TYPE_ISA_IPMI_BT)
38
39typedef struct ISAIPMIBTDevice {
40 ISADevice dev;
41 int32_t isairq;
42 qemu_irq irq;
43 IPMIBT bt;
44 uint32_t uuid;
45} ISAIPMIBTDevice;
46
47static void isa_ipmi_bt_get_fwinfo(struct IPMIInterface *ii, IPMIFwInfo *info)
48{
49 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
50
51 ipmi_bt_get_fwinfo(&iib->bt, info);
52 info->interrupt_number = iib->isairq;
53 info->i2c_slave_address = iib->bt.bmc->slave_addr;
54 info->uuid = iib->uuid;
55}
56
57static void isa_ipmi_bt_raise_irq(IPMIBT *ib)
58{
59 ISAIPMIBTDevice *iib = ib->opaque;
60
61 qemu_irq_raise(iib->irq);
62}
63
64static void isa_ipmi_bt_lower_irq(IPMIBT *ib)
65{
66 ISAIPMIBTDevice *iib = ib->opaque;
67
68 qemu_irq_lower(iib->irq);
69}
70
71static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp)
72{
73 ISADevice *isadev = ISA_DEVICE(dev);
74 ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev);
75 IPMIInterface *ii = IPMI_INTERFACE(dev);
76 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
77
78 if (!iib->bt.bmc) {
79 error_setg(errp, "IPMI device requires a bmc attribute to be set");
80 return;
81 }
82
83 iib->uuid = ipmi_next_uuid();
84
85 iib->bt.bmc->intf = ii;
86 iib->bt.opaque = iib;
87
88 iic->init(ii, 0, errp);
89 if (*errp)
90 return;
91
92 if (iib->isairq > 0) {
93 isa_init_irq(isadev, &iib->irq, iib->isairq);
94 iib->bt.use_irq = 1;
95 iib->bt.raise_irq = isa_ipmi_bt_raise_irq;
96 iib->bt.lower_irq = isa_ipmi_bt_lower_irq;
97 }
98
99 qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length);
100
101 isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base);
102}
103
104static const VMStateDescription vmstate_ISAIPMIBTDevice = {
105 .name = TYPE_IPMI_INTERFACE_PREFIX "isa-bt",
106 .version_id = 2,
107 .minimum_version_id = 2,
108
109
110
111
112
113 .fields = (VMStateField[]) {
114 VMSTATE_STRUCT(bt, ISAIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT),
115 VMSTATE_END_OF_LIST()
116 }
117};
118
119static void isa_ipmi_bt_init(Object *obj)
120{
121 ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj);
122
123 ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc);
124
125 vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib);
126}
127
128static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii)
129{
130 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
131
132 return &iib->bt;
133}
134
135static Property ipmi_isa_properties[] = {
136 DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base, 0xe4),
137 DEFINE_PROP_INT32("irq", ISAIPMIBTDevice, isairq, 5),
138 DEFINE_PROP_END_OF_LIST(),
139};
140
141static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
142{
143 DeviceClass *dc = DEVICE_CLASS(oc);
144 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
145
146 dc->realize = isa_ipmi_bt_realize;
147 dc->props = ipmi_isa_properties;
148
149 iic->get_backend_data = isa_ipmi_bt_get_backend_data;
150 ipmi_bt_class_init(iic);
151 iic->get_fwinfo = isa_ipmi_bt_get_fwinfo;
152}
153
154static const TypeInfo isa_ipmi_bt_info = {
155 .name = TYPE_ISA_IPMI_BT,
156 .parent = TYPE_ISA_DEVICE,
157 .instance_size = sizeof(ISAIPMIBTDevice),
158 .instance_init = isa_ipmi_bt_init,
159 .class_init = isa_ipmi_bt_class_init,
160 .interfaces = (InterfaceInfo[]) {
161 { TYPE_IPMI_INTERFACE },
162 { }
163 }
164};
165
166static void ipmi_register_types(void)
167{
168 type_register_static(&isa_ipmi_bt_info);
169}
170
171type_init(ipmi_register_types)
172