acpi: cpuhp: implement hot-remove parts of CPU hotplug interface
it adds hw registers needed for handling CPU hot-remove and
corresponding AML methods to request and eject a CPU with
necessary hotplug callbacks in pc,piix4,ich9 code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/include/hw/acpi/cpu.h b/include/hw/acpi/cpu.h
index 55c3166..f334221 100644
--- a/include/hw/acpi/cpu.h
+++ b/include/hw/acpi/cpu.h
@@ -21,6 +21,7 @@
struct CPUState *cpu;
uint64_t arch_id;
bool is_inserting;
+ bool is_removing;
} AcpiCpuStatus;
typedef struct CPUHotplugState {
@@ -34,6 +35,13 @@
void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev,
CPUHotplugState *cpu_st, DeviceState *dev, Error **errp);
+void acpi_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
+ CPUHotplugState *cpu_st,
+ DeviceState *dev, Error **errp);
+
+void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st,
+ DeviceState *dev, Error **errp);
+
void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
CPUHotplugState *state, hwaddr base_addr);
