Merge tag 'pull-riscv-to-apply-20220703-1' of github.com:alistair23/qemu into staging
[qemu.git] / 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/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 bool fw_remove;
26 uint32_t ost_event;
27 uint32_t ost_status;
28 } AcpiCpuStatus;
29
30 typedef struct CPUHotplugState {
31 MemoryRegion ctrl_reg;
32 uint32_t selector;
33 uint8_t command;
34 uint32_t dev_count;
35 AcpiCpuStatus *devs;
36 } CPUHotplugState;
37
38 void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
39 CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
40
41 void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
42 CPUHotplugState *cpu_st,
43 DeviceState *dev, Error **errp);
44
45 void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
46 DeviceState *dev, Error **errp);
47
48 void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
49 CPUHotplugState *state, hwaddr base_addr);
50
51 typedef struct CPUHotplugFeatures {
52 bool acpi_1_compatible;
53 bool has_legacy_cphp;
54 bool fw_unplugs_cpu;
55 const char *smi_path;
56 } CPUHotplugFeatures;
57
58 void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
59 hwaddr io_base,
60 const char *res_root,
61 const char *event_handler_method);
62
63 void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list);
64
65 extern const VMStateDescription vmstate_cpu_hotplug;
66 #define VMSTATE_CPU_HOTPLUG(cpuhp, state) \
67 VMSTATE_STRUCT(cpuhp, state, 1, \
68 vmstate_cpu_hotplug, CPUHotplugState)
69
70 #endif