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d097b3dc MC |
1 | /* |
2 | * QEMU simulated PCI pvpanic device. | |
3 | * | |
4 | * Copyright (C) 2020 Oracle | |
5 | * | |
6 | * Authors: | |
7 | * Mihai Carabas <mihai.carabas@oracle.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include "qemu/osdep.h" | |
d097b3dc MC |
15 | #include "qemu/module.h" |
16 | #include "sysemu/runstate.h" | |
17 | ||
18 | #include "hw/nvram/fw_cfg.h" | |
19 | #include "hw/qdev-properties.h" | |
20 | #include "migration/vmstate.h" | |
21 | #include "hw/misc/pvpanic.h" | |
22 | #include "qom/object.h" | |
23 | #include "hw/pci/pci.h" | |
24 | ||
25 | OBJECT_DECLARE_SIMPLE_TYPE(PVPanicPCIState, PVPANIC_PCI_DEVICE) | |
26 | ||
27 | /* | |
28 | * PVPanicPCIState for PCI device | |
29 | */ | |
30 | typedef struct PVPanicPCIState { | |
31 | PCIDevice dev; | |
32 | PVPanicState pvpanic; | |
33 | } PVPanicPCIState; | |
34 | ||
35 | static const VMStateDescription vmstate_pvpanic_pci = { | |
36 | .name = "pvpanic-pci", | |
37 | .version_id = 1, | |
38 | .minimum_version_id = 1, | |
39 | .fields = (VMStateField[]) { | |
40 | VMSTATE_PCI_DEVICE(dev, PVPanicPCIState), | |
41 | VMSTATE_END_OF_LIST() | |
42 | } | |
43 | }; | |
44 | ||
45 | static void pvpanic_pci_realizefn(PCIDevice *dev, Error **errp) | |
46 | { | |
47 | PVPanicPCIState *s = PVPANIC_PCI_DEVICE(dev); | |
48 | PVPanicState *ps = &s->pvpanic; | |
49 | ||
50 | pvpanic_setup_io(&s->pvpanic, DEVICE(s), 2); | |
51 | ||
52 | pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &ps->mr); | |
53 | } | |
54 | ||
55 | static Property pvpanic_pci_properties[] = { | |
56 | DEFINE_PROP_UINT8("events", PVPanicPCIState, pvpanic.events, PVPANIC_PANICKED | PVPANIC_CRASHLOADED), | |
57 | DEFINE_PROP_END_OF_LIST(), | |
58 | }; | |
59 | ||
60 | static void pvpanic_pci_class_init(ObjectClass *klass, void *data) | |
61 | { | |
62 | DeviceClass *dc = DEVICE_CLASS(klass); | |
63 | PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass); | |
64 | ||
65 | device_class_set_props(dc, pvpanic_pci_properties); | |
66 | ||
67 | pc->realize = pvpanic_pci_realizefn; | |
68 | pc->vendor_id = PCI_VENDOR_ID_REDHAT; | |
69 | pc->device_id = PCI_DEVICE_ID_REDHAT_PVPANIC; | |
70 | pc->revision = 1; | |
71 | pc->class_id = PCI_CLASS_SYSTEM_OTHER; | |
72 | dc->vmsd = &vmstate_pvpanic_pci; | |
73 | ||
74 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
75 | } | |
76 | ||
77 | static TypeInfo pvpanic_pci_info = { | |
78 | .name = TYPE_PVPANIC_PCI_DEVICE, | |
79 | .parent = TYPE_PCI_DEVICE, | |
80 | .instance_size = sizeof(PVPanicPCIState), | |
81 | .class_init = pvpanic_pci_class_init, | |
82 | .interfaces = (InterfaceInfo[]) { | |
83 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, | |
84 | { } | |
85 | } | |
86 | }; | |
87 | ||
88 | static void pvpanic_register_types(void) | |
89 | { | |
90 | type_register_static(&pvpanic_pci_info); | |
91 | } | |
92 | ||
93 | type_init(pvpanic_register_types); |