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 uint32_t ost_event; 26 uint32_t ost_status; 27 } AcpiCpuStatus; 28 29 typedef 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 37 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, 38 CPUHotplugState *cpu_st, DeviceState *dev, Error **errp); 39 40 void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, 41 CPUHotplugState *cpu_st, 42 DeviceState *dev, Error **errp); 43 44 void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st, 45 DeviceState *dev, Error **errp); 46 47 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, 48 CPUHotplugState *state, hwaddr base_addr); 49 50 typedef struct CPUHotplugFeatures { 51 bool acpi_1_compatible; 52 bool has_legacy_cphp; 53 } CPUHotplugFeatures; 54 55 void 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 60 void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list); 61 62 extern 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