From 08bba95bd3782c74de9cac29e6f8f6b7a5d50392 Mon Sep 17 00:00:00 2001 From: Gu Zheng Date: Wed, 22 Oct 2014 11:24:27 +0800 Subject: [PATCH] acpi:piix4: convert cpu hotplug to hotplug_handler API Convert notifier based hotplug to hotplug_handler API, and remove the unused AcpiCpuHotplug_add(). Reviewed-by: Igor Mammedov Signed-off-by: Gu Zheng Acked-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Igor Mammedov --- hw/acpi/cpu_hotplug.c | 14 ++------------ hw/acpi/piix4.c | 14 ++------------ include/hw/acpi/cpu_hotplug.h | 2 -- 3 files changed, 4 insertions(+), 26 deletions(-) diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c index 06e9c6101c..b69b16c0e2 100644 --- a/hw/acpi/cpu_hotplug.c +++ b/hw/acpi/cpu_hotplug.c @@ -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) { diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 0bfa814f71..86a45f8ee4 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -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); diff --git a/include/hw/acpi/cpu_hotplug.h b/include/hw/acpi/cpu_hotplug.h index 5dca8d72e6..4657e71158 100644 --- a/include/hw/acpi/cpu_hotplug.h +++ b/include/hw/acpi/cpu_hotplug.h @@ -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