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acpi/cpu: add cpu hotplug callback function to match hotplug_handler API 

Add cpu hotplug callback function (acpi_cpu_plug_cb) to match hotplug_handler API.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This commit is contained in:
Gu Zheng 2014-10-22 11:24:25 +08:00 committed by Michael S. Tsirkin
parent 42a5b30844
commit 1be6b511a6
2 changed files with 21 additions and 0 deletions
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18
hw/acpi/cpu_hotplug.c
View File

@ -36,6 +36,24 @@ static const MemoryRegionOps AcpiCpuHotplug_ops = {
},
};
void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
AcpiCpuHotplug *g, DeviceState *dev, Error **errp)
{
CPUState *cpu = CPU(dev);
CPUClass *k = CPU_GET_CLASS(cpu);
int64_t cpu_id;
cpu_id = k->get_arch_id(cpu);
if ((cpu_id / 8) >= ACPI_GPE_PROC_LEN) {
error_setg(errp, "acpi: invalid cpu id: %" PRIi64, cpu_id);
return;
}
AcpiCpuHotplug_add(&ar->gpe, g, cpu);
acpi_update_sci(ar, irq);
}
void AcpiCpuHotplug_add(ACPIGPE *gpe, AcpiCpuHotplug *g, CPUState *cpu)
{
CPUClass *k = CPU_GET_CLASS(cpu);

3
include/hw/acpi/cpu_hotplug.h
View File

@ -20,6 +20,9 @@ typedef struct AcpiCpuHotplug {
uint8_t sts[ACPI_GPE_PROC_LEN];
} AcpiCpuHotplug;
void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
AcpiCpuHotplug *g, DeviceState *dev, Error **errp);
void AcpiCpuHotplug_add(ACPIGPE *gpe, AcpiCpuHotplug *g, CPUState *cpu);
void AcpiCpuHotplug_init(MemoryRegion *parent, Object *owner,