2 * QEMU PCI IPMI BT emulation
4 * Copyright (c) 2017 Corey Minyard, MontaVista Software, LLC
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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_device.h"
29 #include "qom/object.h"
31 #define TYPE_PCI_IPMI_BT "pci-ipmi-bt"
32 OBJECT_DECLARE_SIMPLE_TYPE(PCIIPMIBTDevice
, PCI_IPMI_BT
)
34 struct PCIIPMIBTDevice
{
41 static void pci_ipmi_raise_irq(IPMIBT
*ik
)
43 PCIIPMIBTDevice
*pik
= ik
->opaque
;
45 pci_set_irq(&pik
->dev
, true);
48 static void pci_ipmi_lower_irq(IPMIBT
*ik
)
50 PCIIPMIBTDevice
*pik
= ik
->opaque
;
52 pci_set_irq(&pik
->dev
, false);
55 static void pci_ipmi_bt_realize(PCIDevice
*pd
, Error
**errp
)
58 PCIIPMIBTDevice
*pik
= PCI_IPMI_BT(pd
);
59 IPMIInterface
*ii
= IPMI_INTERFACE(pd
);
60 IPMIInterfaceClass
*iic
= IPMI_INTERFACE_GET_CLASS(ii
);
63 error_setg(errp
, "IPMI device requires a bmc attribute to be set");
67 pik
->uuid
= ipmi_next_uuid();
69 pik
->bt
.bmc
->intf
= ii
;
72 pci_config_set_prog_interface(pd
->config
, 0x02); /* BT */
73 pci_config_set_interrupt_pin(pd
->config
, 0x01);
75 pik
->bt
.raise_irq
= pci_ipmi_raise_irq
;
76 pik
->bt
.lower_irq
= pci_ipmi_lower_irq
;
78 iic
->init(ii
, 8, &err
);
80 error_propagate(errp
, err
);
83 pci_register_bar(pd
, 0, PCI_BASE_ADDRESS_SPACE_IO
, &pik
->bt
.io
);
86 const VMStateDescription vmstate_PCIIPMIBTDevice
= {
87 .name
= TYPE_IPMI_INTERFACE_PREFIX
"pci-bt",
89 .minimum_version_id
= 1,
90 .fields
= (const VMStateField
[]) {
91 VMSTATE_PCI_DEVICE(dev
, PCIIPMIBTDevice
),
92 VMSTATE_STRUCT(bt
, PCIIPMIBTDevice
, 1, vmstate_IPMIBT
, IPMIBT
),
97 static void pci_ipmi_bt_instance_init(Object
*obj
)
99 PCIIPMIBTDevice
*pik
= PCI_IPMI_BT(obj
);
101 ipmi_bmc_find_and_link(obj
, (Object
**) &pik
->bt
.bmc
);
104 static void *pci_ipmi_bt_get_backend_data(IPMIInterface
*ii
)
106 PCIIPMIBTDevice
*pik
= PCI_IPMI_BT(ii
);
111 static void pci_ipmi_bt_class_init(ObjectClass
*oc
, void *data
)
113 DeviceClass
*dc
= DEVICE_CLASS(oc
);
114 PCIDeviceClass
*pdc
= PCI_DEVICE_CLASS(oc
);
115 IPMIInterfaceClass
*iic
= IPMI_INTERFACE_CLASS(oc
);
117 pdc
->vendor_id
= PCI_VENDOR_ID_QEMU
;
118 pdc
->device_id
= PCI_DEVICE_ID_QEMU_IPMI
;
120 pdc
->class_id
= PCI_CLASS_SERIAL_IPMI
;
122 dc
->vmsd
= &vmstate_PCIIPMIBTDevice
;
123 dc
->desc
= "PCI IPMI BT";
124 pdc
->realize
= pci_ipmi_bt_realize
;
126 iic
->get_backend_data
= pci_ipmi_bt_get_backend_data
;
127 ipmi_bt_class_init(iic
);
130 static const TypeInfo pci_ipmi_bt_info
= {
131 .name
= TYPE_PCI_IPMI_BT
,
132 .parent
= TYPE_PCI_DEVICE
,
133 .instance_size
= sizeof(PCIIPMIBTDevice
),
134 .instance_init
= pci_ipmi_bt_instance_init
,
135 .class_init
= pci_ipmi_bt_class_init
,
136 .interfaces
= (InterfaceInfo
[]) {
137 { TYPE_IPMI_INTERFACE
},
138 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
143 static void pci_ipmi_bt_register_types(void)
145 type_register_static(&pci_ipmi_bt_info
);
148 type_init(pci_ipmi_bt_register_types
)