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acpi:piix4: convert cpu hotplug to hotplug_handler API

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Convert notifier based hotplug to hotplug_handler API,
and remove the unused AcpiCpuHotplug_add().

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 11:24:27 +08:00 committed by Michael S. Tsirkin
parent c5171ed0cf
commit 08bba95bd3
3 changed files with 4 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
hw/acpi/cpu_hotplug.c
View File

@ -49,22 +49,12 @@ void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
return;
}
AcpiCpuHotplug_add(&ar->gpe, g, cpu);
ar->gpe.sts[0] |= ACPI_CPU_HOTPLUG_STATUS;
g->sts[cpu_id / 8] |= (1 << (cpu_id % 8));
acpi_update_sci(ar, irq);
}
void AcpiCpuHotplug_add(ACPIGPE *gpe, AcpiCpuHotplug *g, CPUState *cpu)
{
CPUClass *k = CPU_GET_CLASS(cpu);
int64_t cpu_id;
*gpe->sts = *gpe->sts | ACPI_CPU_HOTPLUG_STATUS;
cpu_id = k->get_arch_id(CPU(cpu));
g_assert((cpu_id / 8) < ACPI_GPE_PROC_LEN);
g->sts[cpu_id / 8] |= (1 << (cpu_id % 8));
}
void AcpiCpuHotplug_init(MemoryRegion *parent, Object *owner,
AcpiCpuHotplug *gpe_cpu, uint16_t base)
{

14
hw/acpi/piix4.c
View File

@ -83,7 +83,6 @@ typedef struct PIIX4PMState {
uint8_t s4_val;
AcpiCpuHotplug gpe_cpu;
Notifier cpu_added_notifier;
MemHotplugState acpi_memory_hotplug;
} PIIX4PMState;
@ -348,6 +347,8 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev,
} else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
acpi_pcihp_device_plug_cb(&s->ar, s->irq, &s->acpi_pci_hotplug, dev,
errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
acpi_cpu_plug_cb(&s->ar, s->irq, &s->gpe_cpu, dev, errp);
} else {
error_setg(errp, "acpi: device plug request for not supported device"
" type: %s", object_get_typename(OBJECT(dev)));
@ -544,15 +545,6 @@ static const MemoryRegionOps piix4_gpe_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void piix4_cpu_added_req(Notifier *n, void *opaque)
{
PIIX4PMState *s = container_of(n, PIIX4PMState, cpu_added_notifier);
assert(s != NULL);
AcpiCpuHotplug_add(&s->ar.gpe, &s->gpe_cpu, CPU(opaque));
acpi_update_sci(&s->ar, s->irq);
}
static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
PCIBus *bus, PIIX4PMState *s)
{
@ -565,8 +557,6 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
AcpiCpuHotplug_init(parent, OBJECT(s), &s->gpe_cpu,
PIIX4_CPU_HOTPLUG_IO_BASE);
s->cpu_added_notifier.notify = piix4_cpu_added_req;
qemu_register_cpu_added_notifier(&s->cpu_added_notifier);
if (s->acpi_memory_hotplug.is_enabled) {
acpi_memory_hotplug_init(parent, OBJECT(s), &s->acpi_memory_hotplug);

2
include/hw/acpi/cpu_hotplug.h
View File

@ -23,8 +23,6 @@ typedef struct 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,
AcpiCpuHotplug *gpe_cpu, uint16_t base);
#endif