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 "qapi/qapi-types-acpi.h" 16 #include "hw/qdev-core.h" 17 #include "hw/acpi/acpi.h" 18 #include "hw/acpi/aml-build.h" 19 #include "hw/boards.h" 20 #include "hw/hotplug.h" 21 22 typedef struct AcpiCpuStatus { 23 CPUState *cpu; 24 uint64_t arch_id; 25 bool is_inserting; 26 bool is_removing; 27 bool fw_remove; 28 uint32_t ost_event; 29 uint32_t ost_status; 30 } AcpiCpuStatus; 31 32 typedef struct CPUHotplugState { 33 MemoryRegion ctrl_reg; 34 uint32_t selector; 35 uint8_t command; 36 uint32_t dev_count; 37 AcpiCpuStatus *devs; 38 } CPUHotplugState; 39 40 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, 41 CPUHotplugState *cpu_st, DeviceState *dev, Error **errp); 42 43 void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, 44 CPUHotplugState *cpu_st, 45 DeviceState *dev, Error **errp); 46 47 void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st, 48 DeviceState *dev, Error **errp); 49 50 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, 51 CPUHotplugState *state, hwaddr base_addr); 52 53 typedef struct CPUHotplugFeatures { 54 bool acpi_1_compatible; 55 bool has_legacy_cphp; 56 bool fw_unplugs_cpu; 57 const char *smi_path; 58 } CPUHotplugFeatures; 59 60 typedef void (*build_madt_cpu_fn)(int uid, const CPUArchIdList *apic_ids, 61 GArray *entry, bool force_enabled); 62 63 void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, 64 build_madt_cpu_fn build_madt_cpu, hwaddr io_base, 65 const char *res_root, 66 const char *event_handler_method); 67 68 void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list); 69 70 extern const VMStateDescription vmstate_cpu_hotplug; 71 #define VMSTATE_CPU_HOTPLUG(cpuhp, state) \ 72 VMSTATE_STRUCT(cpuhp, state, 1, \ 73 vmstate_cpu_hotplug, CPUHotplugState) 74 75 #endif 76