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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_kcs.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_KCS "isa-ipmi-kcs"
37OBJECT_DECLARE_SIMPLE_TYPE(ISAIPMIKCSDevice, ISA_IPMI_KCS)
38
39struct ISAIPMIKCSDevice {
40 ISADevice dev;
41 int32_t isairq;
42 qemu_irq irq;
43 IPMIKCS kcs;
44 uint32_t uuid;
45};
46
47static void isa_ipmi_kcs_get_fwinfo(IPMIInterface *ii, IPMIFwInfo *info)
48{
49 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
50
51 ipmi_kcs_get_fwinfo(&iik->kcs, info);
52 info->interrupt_number = iik->isairq;
53 info->uuid = iik->uuid;
54}
55
56static void isa_ipmi_kcs_raise_irq(IPMIKCS *ik)
57{
58 ISAIPMIKCSDevice *iik = ik->opaque;
59
60 qemu_irq_raise(iik->irq);
61}
62
63static void isa_ipmi_kcs_lower_irq(IPMIKCS *ik)
64{
65 ISAIPMIKCSDevice *iik = ik->opaque;
66
67 qemu_irq_lower(iik->irq);
68}
69
70static void ipmi_isa_realize(DeviceState *dev, Error **errp)
71{
72 Error *err = NULL;
73 ISADevice *isadev = ISA_DEVICE(dev);
74 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(dev);
75 IPMIInterface *ii = IPMI_INTERFACE(dev);
76 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
77
78 if (!iik->kcs.bmc) {
79 error_setg(errp, "IPMI device requires a bmc attribute to be set");
80 return;
81 }
82
83 iik->uuid = ipmi_next_uuid();
84
85 iik->kcs.bmc->intf = ii;
86 iik->kcs.opaque = iik;
87
88 iic->init(ii, 0, &err);
89 if (err) {
90 error_propagate(errp, err);
91 return;
92 }
93
94 if (iik->isairq > 0) {
95 isa_init_irq(isadev, &iik->irq, iik->isairq);
96 iik->kcs.use_irq = 1;
97 iik->kcs.raise_irq = isa_ipmi_kcs_raise_irq;
98 iik->kcs.lower_irq = isa_ipmi_kcs_lower_irq;
99 }
100
101 qdev_set_legacy_instance_id(dev, iik->kcs.io_base, iik->kcs.io_length);
102
103 isa_register_ioport(isadev, &iik->kcs.io, iik->kcs.io_base);
104}
105
106static bool vmstate_kcs_before_version2(void *opaque, int version)
107{
108 return version <= 1;
109}
110
111static const VMStateDescription vmstate_ISAIPMIKCSDevice = {
112 .name = TYPE_IPMI_INTERFACE,
113 .version_id = 2,
114 .minimum_version_id = 1,
115 .fields = (VMStateField[]) {
116 VMSTATE_VSTRUCT_TEST(kcs, ISAIPMIKCSDevice, vmstate_kcs_before_version2,
117 0, vmstate_IPMIKCS, IPMIKCS, 1),
118 VMSTATE_VSTRUCT_V(kcs, ISAIPMIKCSDevice, 2, vmstate_IPMIKCS,
119 IPMIKCS, 2),
120 VMSTATE_END_OF_LIST()
121 }
122};
123
124static void isa_ipmi_kcs_init(Object *obj)
125{
126 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(obj);
127
128 ipmi_bmc_find_and_link(obj, (Object **) &iik->kcs.bmc);
129
130
131
132
133
134
135 vmstate_register(NULL, 0, &vmstate_ISAIPMIKCSDevice, iik);
136}
137
138static void *isa_ipmi_kcs_get_backend_data(IPMIInterface *ii)
139{
140 ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii);
141
142 return &iik->kcs;
143}
144
145static Property ipmi_isa_properties[] = {
146 DEFINE_PROP_UINT32("ioport", ISAIPMIKCSDevice, kcs.io_base, 0xca2),
147 DEFINE_PROP_INT32("irq", ISAIPMIKCSDevice, isairq, 5),
148 DEFINE_PROP_END_OF_LIST(),
149};
150
151static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data)
152{
153 DeviceClass *dc = DEVICE_CLASS(oc);
154 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
155
156 dc->realize = ipmi_isa_realize;
157 device_class_set_props(dc, ipmi_isa_properties);
158
159 iic->get_backend_data = isa_ipmi_kcs_get_backend_data;
160 ipmi_kcs_class_init(iic);
161 iic->get_fwinfo = isa_ipmi_kcs_get_fwinfo;
162}
163
164static const TypeInfo isa_ipmi_kcs_info = {
165 .name = TYPE_ISA_IPMI_KCS,
166 .parent = TYPE_ISA_DEVICE,
167 .instance_size = sizeof(ISAIPMIKCSDevice),
168 .instance_init = isa_ipmi_kcs_init,
169 .class_init = isa_ipmi_kcs_class_init,
170 .interfaces = (InterfaceInfo[]) {
171 { TYPE_IPMI_INTERFACE },
172 { }
173 }
174};
175
176static void ipmi_register_types(void)
177{
178 type_register_static(&isa_ipmi_kcs_info);
179}
180
181type_init(ipmi_register_types)
182