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| author | Igor Mammedov <imammedo@redhat.com> | 2014-01-09 17:36:32 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-01-26 13:11:44 +0200 |
| commit | d6610bc2adc19a632cb14fc094378cbf5cd60868 (patch) | |
| tree | a7d8021f8a74f11780b538c04793a63280043331 /hw/acpi/ich9.c | |
| parent | 81cea5e7f2aa61c6c5d33d28bceb81276603d3c9 (diff) | |
| download | qemu-d6610bc2adc19a632cb14fc094378cbf5cd60868.tar.gz qemu-d6610bc2adc19a632cb14fc094378cbf5cd60868.tar.bz2 qemu-d6610bc2adc19a632cb14fc094378cbf5cd60868.zip | |
acpi: ich9: add CPU hotplug handling to Q35 machine
.. use IO port 0cd8-0xcf7 range for CPU present bitmap
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>
Diffstat (limited to 'hw/acpi/ich9.c')
| -rw-r--r-- | hw/acpi/ich9.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index 30f0df8713..0afac425ec 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -185,6 +185,15 @@ static void pm_powerdown_req(Notifier *n, void *opaque) acpi_pm1_evt_power_down(&pm->acpi_regs); } +static void ich9_cpu_added_req(Notifier *n, void *opaque) +{ + ICH9LPCPMRegs *pm = container_of(n, ICH9LPCPMRegs, cpu_added_notifier); + + assert(pm != NULL); + AcpiCpuHotplug_add(&pm->acpi_regs.gpe, &pm->gpe_cpu, CPU(opaque)); + acpi_update_sci(&pm->acpi_regs, pm->irq); +} + void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_irq sci_irq) { @@ -210,6 +219,11 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_register_reset(pm_reset, pm); pm->powerdown_notifier.notify = pm_powerdown_req; qemu_register_powerdown_notifier(&pm->powerdown_notifier); + + AcpiCpuHotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci), + &pm->gpe_cpu, ICH9_CPU_HOTPLUG_IO_BASE); + pm->cpu_added_notifier.notify = ich9_cpu_added_req; + qemu_register_cpu_added_notifier(&pm->cpu_added_notifier); } static void ich9_pm_get_gpe0_blk(Object *obj, Visitor *v, |