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
  20 typedef 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
  30 typedef 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
  38 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
  39                       CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
  40
  41 void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
  42                                 CPUHotplugState *cpu_st,
  43                                 DeviceState *dev, Error **errp);
  44
  45 void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
  46                         DeviceState *dev, Error **errp);
  47
  48 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
  49                          CPUHotplugState *state, hwaddr base_addr);
  50
  51 typedef 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
  58 void 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
  63 void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list);
  64
  65 extern 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