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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#include "qom/object.h"
35
36#define TYPE_ISA_IPMI_BT "isa-ipmi-bt"
37OBJECT_DECLARE_SIMPLE_TYPE(ISAIPMIBTDevice, ISA_IPMI_BT)
38
39struct ISAIPMIBTDevice {
40 ISADevice dev;
41 int32_t isairq;
42 qemu_irq irq;
43 IPMIBT bt;
44 uint32_t uuid;
45};
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 Error *err = NULL;
74 ISADevice *isadev = ISA_DEVICE(dev);
75 ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev);
76 IPMIInterface *ii = IPMI_INTERFACE(dev);
77 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
78
79 if (!iib->bt.bmc) {
80 error_setg(errp, "IPMI device requires a bmc attribute to be set");
81 return;
82 }
83
84 iib->uuid = ipmi_next_uuid();
85
86 iib->bt.bmc->intf = ii;
87 iib->bt.opaque = iib;
88
89 iic->init(ii, 0, &err);
90 if (err) {
91 error_propagate(errp, err);
92 return;
93 }
94
95 if (iib->isairq > 0) {
96 isa_init_irq(isadev, &iib->irq, iib->isairq);
97 iib->bt.use_irq = 1;
98 iib->bt.raise_irq = isa_ipmi_bt_raise_irq;
99 iib->bt.lower_irq = isa_ipmi_bt_lower_irq;
100 }
101
102 qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length);
103
104 isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base);
105}
106
107static const VMStateDescription vmstate_ISAIPMIBTDevice = {
108 .name = TYPE_IPMI_INTERFACE_PREFIX "isa-bt",
109 .version_id = 2,
110 .minimum_version_id = 2,
111
112
113
114
115
116 .fields = (VMStateField[]) {
117 VMSTATE_STRUCT(bt, ISAIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT),
118 VMSTATE_END_OF_LIST()
119 }
120};
121
122static void isa_ipmi_bt_init(Object *obj)
123{
124 ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj);
125
126 ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc);
127
128 vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib);
129}
130
131static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii)
132{
133 ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii);
134
135 return &iib->bt;
136}
137
138static Property ipmi_isa_properties[] = {
139 DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base, 0xe4),
140 DEFINE_PROP_INT32("irq", ISAIPMIBTDevice, isairq, 5),
141 DEFINE_PROP_END_OF_LIST(),
142};
143
144static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data)
145{
146 DeviceClass *dc = DEVICE_CLASS(oc);
147 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
148
149 dc->realize = isa_ipmi_bt_realize;
150 device_class_set_props(dc, ipmi_isa_properties);
151
152 iic->get_backend_data = isa_ipmi_bt_get_backend_data;
153 ipmi_bt_class_init(iic);
154 iic->get_fwinfo = isa_ipmi_bt_get_fwinfo;
155}
156
157static const TypeInfo isa_ipmi_bt_info = {
158 .name = TYPE_ISA_IPMI_BT,
159 .parent = TYPE_ISA_DEVICE,
160 .instance_size = sizeof(ISAIPMIBTDevice),
161 .instance_init = isa_ipmi_bt_init,
162 .class_init = isa_ipmi_bt_class_init,
163 .interfaces = (InterfaceInfo[]) {
164 { TYPE_IPMI_INTERFACE },
165 { }
166 }
167};
168
169static void ipmi_register_types(void)
170{
171 type_register_static(&isa_ipmi_bt_info);
172}
173
174type_init(ipmi_register_types)
175