qemu/include/hw/acpi/cpu.h
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   1/*
   2 * QEMU ACPI hotplug utilities
   3 *
   4 * Copyright (C) 2016 Red Hat Inc
   5 *
   6 * Authors:
   7 *   Igor Mammedov <imammedo@redhat.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#ifndef ACPI_CPU_H
  13#define ACPI_CPU_H
  14
  15#include "hw/qdev-core.h"
  16#include "hw/acpi/acpi.h"
  17#include "hw/acpi/aml-build.h"
  18#include "hw/hotplug.h"
  19
  20typedef struct AcpiCpuStatus {
  21    struct CPUState *cpu;
  22    uint64_t arch_id;
  23    bool is_inserting;
  24    bool is_removing;
  25    uint32_t ost_event;
  26    uint32_t ost_status;
  27} AcpiCpuStatus;
  28
  29typedef struct CPUHotplugState {
  30    MemoryRegion ctrl_reg;
  31    uint32_t selector;
  32    uint8_t command;
  33    uint32_t dev_count;
  34    AcpiCpuStatus *devs;
  35} CPUHotplugState;
  36
  37void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
  38                      CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
  39
  40void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
  41                                CPUHotplugState *cpu_st,
  42                                DeviceState *dev, Error **errp);
  43
  44void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
  45                        DeviceState *dev, Error **errp);
  46
  47void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
  48                         CPUHotplugState *state, hwaddr base_addr);
  49
  50typedef struct CPUHotplugFeatures {
  51    bool apci_1_compatible;
  52    bool has_legacy_cphp;
  53} CPUHotplugFeatures;
  54
  55void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
  56                    hwaddr io_base,
  57                    const char *res_root,
  58                    const char *event_handler_method);
  59
  60void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list);
  61
  62extern const VMStateDescription vmstate_cpu_hotplug;
  63#define VMSTATE_CPU_HOTPLUG(cpuhp, state) \
  64    VMSTATE_STRUCT(cpuhp, state, 1, \
  65                   vmstate_cpu_hotplug, CPUHotplugState)
  66
  67#endif
  68