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 75