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24#include "qemu/osdep.h"
25#include "migration/vmstate.h"
26#include "qapi/error.h"
27#include "hw/ipmi/ipmi_bt.h"
28#include "hw/pci/pci.h"
29
30#define TYPE_PCI_IPMI_BT "pci-ipmi-bt"
31#define PCI_IPMI_BT(obj) OBJECT_CHECK(PCIIPMIBTDevice, (obj), \
32 TYPE_PCI_IPMI_BT)
33
34typedef struct PCIIPMIBTDevice {
35 PCIDevice dev;
36 IPMIBT bt;
37 bool irq_enabled;
38 uint32_t uuid;
39} PCIIPMIBTDevice;
40
41static void pci_ipmi_raise_irq(IPMIBT *ik)
42{
43 PCIIPMIBTDevice *pik = ik->opaque;
44
45 pci_set_irq(&pik->dev, true);
46}
47
48static void pci_ipmi_lower_irq(IPMIBT *ik)
49{
50 PCIIPMIBTDevice *pik = ik->opaque;
51
52 pci_set_irq(&pik->dev, false);
53}
54
55static void pci_ipmi_bt_realize(PCIDevice *pd, Error **errp)
56{
57 PCIIPMIBTDevice *pik = PCI_IPMI_BT(pd);
58 IPMIInterface *ii = IPMI_INTERFACE(pd);
59 IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
60
61 if (!pik->bt.bmc) {
62 error_setg(errp, "IPMI device requires a bmc attribute to be set");
63 return;
64 }
65
66 pik->uuid = ipmi_next_uuid();
67
68 pik->bt.bmc->intf = ii;
69 pik->bt.opaque = pik;
70
71 pci_config_set_prog_interface(pd->config, 0x02);
72 pci_config_set_interrupt_pin(pd->config, 0x01);
73 pik->bt.use_irq = 1;
74 pik->bt.raise_irq = pci_ipmi_raise_irq;
75 pik->bt.lower_irq = pci_ipmi_lower_irq;
76
77 iic->init(ii, 8, errp);
78 if (*errp) {
79 return;
80 }
81 pci_register_bar(pd, 0, PCI_BASE_ADDRESS_SPACE_IO, &pik->bt.io);
82}
83
84const VMStateDescription vmstate_PCIIPMIBTDevice = {
85 .name = TYPE_IPMI_INTERFACE_PREFIX "pci-bt",
86 .version_id = 1,
87 .minimum_version_id = 1,
88 .fields = (VMStateField[]) {
89 VMSTATE_PCI_DEVICE(dev, PCIIPMIBTDevice),
90 VMSTATE_STRUCT(bt, PCIIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT),
91 VMSTATE_END_OF_LIST()
92 }
93};
94
95static void pci_ipmi_bt_instance_init(Object *obj)
96{
97 PCIIPMIBTDevice *pik = PCI_IPMI_BT(obj);
98
99 ipmi_bmc_find_and_link(obj, (Object **) &pik->bt.bmc);
100}
101
102static void *pci_ipmi_bt_get_backend_data(IPMIInterface *ii)
103{
104 PCIIPMIBTDevice *pik = PCI_IPMI_BT(ii);
105
106 return &pik->bt;
107}
108
109static void pci_ipmi_bt_class_init(ObjectClass *oc, void *data)
110{
111 DeviceClass *dc = DEVICE_CLASS(oc);
112 PCIDeviceClass *pdc = PCI_DEVICE_CLASS(oc);
113 IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc);
114
115 pdc->vendor_id = PCI_VENDOR_ID_QEMU;
116 pdc->device_id = PCI_DEVICE_ID_QEMU_IPMI;
117 pdc->revision = 1;
118 pdc->class_id = PCI_CLASS_SERIAL_IPMI;
119
120 dc->vmsd = &vmstate_PCIIPMIBTDevice;
121 dc->desc = "PCI IPMI BT";
122 pdc->realize = pci_ipmi_bt_realize;
123
124 iic->get_backend_data = pci_ipmi_bt_get_backend_data;
125 ipmi_bt_class_init(iic);
126}
127
128static const TypeInfo pci_ipmi_bt_info = {
129 .name = TYPE_PCI_IPMI_BT,
130 .parent = TYPE_PCI_DEVICE,
131 .instance_size = sizeof(PCIIPMIBTDevice),
132 .instance_init = pci_ipmi_bt_instance_init,
133 .class_init = pci_ipmi_bt_class_init,
134 .interfaces = (InterfaceInfo[]) {
135 { TYPE_IPMI_INTERFACE },
136 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
137 { }
138 }
139};
140
141static void pci_ipmi_bt_register_types(void)
142{
143 type_register_static(&pci_ipmi_bt_info);
144}
145
146type_init(pci_ipmi_bt_register_types)
147