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/boards.h"
  19 #include "hw/hotplug.h"
  20
  21 typedef struct AcpiCpuStatus {
  22     struct CPUState *cpu;
  23     uint64_t arch_id;
  24     bool is_inserting;
  25     bool is_removing;
  26     bool fw_remove;
  27     uint32_t ost_event;
  28     uint32_t ost_status;
  29 } AcpiCpuStatus;
  30
  31 typedef struct CPUHotplugState {
  32     MemoryRegion ctrl_reg;
  33     uint32_t selector;
  34     uint8_t command;
  35     uint32_t dev_count;
  36     AcpiCpuStatus *devs;
  37 } CPUHotplugState;
  38
  39 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
  40                       CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
  41
  42 void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
  43                                 CPUHotplugState *cpu_st,
  44                                 DeviceState *dev, Error **errp);
  45
  46 void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
  47                         DeviceState *dev, Error **errp);
  48
  49 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
  50                          CPUHotplugState *state, hwaddr base_addr);
  51
  52 typedef struct CPUHotplugFeatures {
  53     bool acpi_1_compatible;
  54     bool has_legacy_cphp;
  55     bool fw_unplugs_cpu;
  56     const char *smi_path;
  57 } CPUHotplugFeatures;
  58
  59 typedef void (*build_madt_cpu_fn)(int uid, const CPUArchIdList *apic_ids,
  60                                   GArray *entry, bool force_enabled);
  61
  62 void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
  63                     build_madt_cpu_fn build_madt_cpu, hwaddr io_base,
  64                     const char *res_root,
  65                     const char *event_handler_method);
  66
  67 void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list);
  68
  69 extern const VMStateDescription vmstate_cpu_hotplug;
  70 #define VMSTATE_CPU_HOTPLUG(cpuhp, state) \
  71     VMSTATE_STRUCT(cpuhp, state, 1, \
  72                    vmstate_cpu_hotplug, CPUHotplugState)
  73
  74 #endif