LXR qemu/include/hw/acpi/cpu.h

   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    bool fw_remove;
  26    uint32_t ost_event;
  27    uint32_t ost_status;
  28} AcpiCpuStatus;
  29
  30typedef struct CPUHotplugState {
  31    MemoryRegion ctrl_reg;
  32    uint32_t selector;
  33    uint8_t command;
  34    uint32_t dev_count;
  35    AcpiCpuStatus *devs;
  36} CPUHotplugState;
  37
  38void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
  39                      CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
  40
  41void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
  42                                CPUHotplugState *cpu_st,
  43                                DeviceState *dev, Error **errp);
  44
  45void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
  46                        DeviceState *dev, Error **errp);
  47
  48void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
  49                         CPUHotplugState *state, hwaddr base_addr);
  50
  51typedef struct CPUHotplugFeatures {
  52    bool acpi_1_compatible;
  53    bool has_legacy_cphp;
  54    bool fw_unplugs_cpu;
  55    const char *smi_path;
  56} CPUHotplugFeatures;
  57
  58void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
  59                    hwaddr io_base,
  60                    const char *res_root,
  61                    const char *event_handler_method);
  62
  63void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list);
  64
  65extern const VMStateDescription vmstate_cpu_hotplug;
  66#define VMSTATE_CPU_HOTPLUG(cpuhp, state) \
  67    VMSTATE_STRUCT(cpuhp, state, 1, \
  68                   vmstate_cpu_hotplug, CPUHotplugState)
  69
  70#endif
  71