| 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/core/qdev.h" |
| 17 | #include "hw/acpi/acpi.h" |
| 18 | #include "hw/acpi/aml-build.h" |
| 19 | #include "hw/core/boards.h" |
| 20 | #include "hw/core/hotplug.h" |
| 21 | |
| 22 | #define ACPI_CPU_HOTPLUG_REG_LEN 12 |
| 23 | |
| 24 | typedef struct AcpiCpuStatus { |
| 25 | CPUState *cpu; |
| 26 | uint64_t arch_id; |
| 27 | bool is_inserting; |
| 28 | bool is_removing; |
| 29 | bool fw_remove; |
| 30 | uint32_t ost_event; |
| 31 | uint32_t ost_status; |
| 32 | } AcpiCpuStatus; |
| 33 | |
| 34 | typedef struct CPUHotplugState { |
| 35 | MemoryRegion ctrl_reg; |
| 36 | uint32_t selector; |
| 37 | uint8_t command; |
| 38 | uint32_t dev_count; |
| 39 | AcpiCpuStatus *devs; |
| 40 | } CPUHotplugState; |
| 41 | |
| 42 | void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, |
| 43 | CPUHotplugState *cpu_st, DeviceState *dev, Error **errp); |
| 44 | |
| 45 | void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, |
| 46 | CPUHotplugState *cpu_st, |
| 47 | DeviceState *dev, Error **errp); |
| 48 | |
| 49 | void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st, |
| 50 | DeviceState *dev, Error **errp); |
| 51 | |
| 52 | void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, |
| 53 | CPUHotplugState *state, hwaddr base_addr); |
| 54 | |
| 55 | typedef struct CPUHotplugFeatures { |
| 56 | bool acpi_1_compatible; |
| 57 | bool fw_unplugs_cpu; |
| 58 | const char *smi_path; |
| 59 | } CPUHotplugFeatures; |
| 60 | |
| 61 | typedef void (*build_madt_cpu_fn)(int uid, const CPUArchIdList *apic_ids, |
| 62 | GArray *entry, bool force_enabled); |
| 63 | |
| 64 | void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, |
| 65 | build_madt_cpu_fn build_madt_cpu, hwaddr base_addr, |
| 66 | const char *res_root, |
| 67 | const char *event_handler_method, |
| 68 | AmlRegionSpace rs); |
| 69 | |
| 70 | void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list); |
| 71 | |
| 72 | struct CPUPPTTCaches { |
| 73 | enum CacheType type; |
| 74 | uint32_t sets; |
| 75 | uint32_t size; |
| 76 | uint32_t level; |
| 77 | uint16_t linesize; |
| 78 | uint8_t attributes; /* write policy: 0x0 write back, 0x1 write through */ |
| 79 | uint8_t associativity; |
| 80 | }; |
| 81 | |
| 82 | extern const VMStateDescription vmstate_cpu_hotplug; |
| 83 | #define VMSTATE_CPU_HOTPLUG(cpuhp, state) \ |
| 84 | VMSTATE_STRUCT(cpuhp, state, 1, \ |
| 85 | vmstate_cpu_hotplug, CPUHotplugState) |
| 86 | |
| 87 | #endif |