96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
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* QEMU simulated PCI pvpanic device.
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*
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* Copyright (C) 2020 Oracle
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*
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* Authors:
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* Mihai Carabas <mihai.carabas@oracle.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/module.h"
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#include "sysemu/runstate.h"
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#include "hw/nvram/fw_cfg.h"
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#include "hw/qdev-properties.h"
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#include "migration/vmstate.h"
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#include "hw/misc/pvpanic.h"
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#include "qom/object.h"
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#include "hw/pci/pci.h"
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#include "standard-headers/linux/pvpanic.h"
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OBJECT_DECLARE_SIMPLE_TYPE(PVPanicPCIState, PVPANIC_PCI_DEVICE)
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/*
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* PVPanicPCIState for PCI device
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*/
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typedef struct PVPanicPCIState {
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PCIDevice dev;
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PVPanicState pvpanic;
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} PVPanicPCIState;
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static const VMStateDescription vmstate_pvpanic_pci = {
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.name = "pvpanic-pci",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_PCI_DEVICE(dev, PVPanicPCIState),
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VMSTATE_END_OF_LIST()
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}
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};
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static void pvpanic_pci_realizefn(PCIDevice *dev, Error **errp)
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{
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PVPanicPCIState *s = PVPANIC_PCI_DEVICE(dev);
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PVPanicState *ps = &s->pvpanic;
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pvpanic_setup_io(&s->pvpanic, DEVICE(s), 2);
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pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &ps->mr);
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}
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static Property pvpanic_pci_properties[] = {
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DEFINE_PROP_UINT8("events", PVPanicPCIState, pvpanic.events,
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PVPANIC_PANICKED | PVPANIC_CRASH_LOADED),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void pvpanic_pci_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
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device_class_set_props(dc, pvpanic_pci_properties);
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pc->realize = pvpanic_pci_realizefn;
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pc->vendor_id = PCI_VENDOR_ID_REDHAT;
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pc->device_id = PCI_DEVICE_ID_REDHAT_PVPANIC;
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pc->revision = 1;
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pc->class_id = PCI_CLASS_SYSTEM_OTHER;
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dc->vmsd = &vmstate_pvpanic_pci;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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}
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static const TypeInfo pvpanic_pci_info = {
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.name = TYPE_PVPANIC_PCI_DEVICE,
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(PVPanicPCIState),
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.class_init = pvpanic_pci_class_init,
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.interfaces = (InterfaceInfo[]) {
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{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
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{ }
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}
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};
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static void pvpanic_register_types(void)
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{
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type_register_static(&pvpanic_pci_info);
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}
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type_init(pvpanic_register_types);
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