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 } AcpiCpuStatus; 24 25 typedef struct CPUHotplugState { 26 MemoryRegion ctrl_reg; 27 uint32_t selector; 28 uint32_t dev_count; 29 AcpiCpuStatus *devs; 30 } CPUHotplugState; 31 32 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, 33 CPUHotplugState *cpu_st, DeviceState *dev, Error **errp); 34 35 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, 36 CPUHotplugState *state, hwaddr base_addr); 37 38 typedef struct CPUHotplugFeatures { 39 bool apci_1_compatible; 40 } CPUHotplugFeatures; 41 42 void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, 43 hwaddr io_base, 44 const char *res_root); 45 46 extern const VMStateDescription vmstate_cpu_hotplug; 47 #define VMSTATE_CPU_HOTPLUG(cpuhp, state) \ 48 VMSTATE_STRUCT(cpuhp, state, 1, \ 49 vmstate_cpu_hotplug, CPUHotplugState) 50 51 #endif 52