From 34774320c3b05287a06775c31578bd1e2cb20b83 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 2 Jun 2014 15:25:20 +0200 Subject: acpi:piix4: add memory hotplug handling Add memory hotplug initialization/handling to PIIX4_PM device and enable it by default for post 2.0 machine types Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin MST: resolve conflict in pc.h --- hw/acpi/piix4.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'hw/acpi') diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index c9c6b8b619..5c542b764b 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -33,6 +33,8 @@ #include "hw/acpi/pcihp.h" #include "hw/acpi/cpu_hotplug.h" #include "hw/hotplug.h" +#include "hw/mem/pc-dimm.h" +#include "hw/acpi/memory_hotplug.h" //#define DEBUG @@ -81,6 +83,8 @@ typedef struct PIIX4PMState { AcpiCpuHotplug gpe_cpu; Notifier cpu_added_notifier; + + MemHotplugState acpi_memory_hotplug; } PIIX4PMState; #define TYPE_PIIX4_PM "PIIX4_PM" @@ -313,7 +317,10 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev, { PIIX4PMState *s = PIIX4_PM(hotplug_dev); - if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + if (s->acpi_memory_hotplug.is_enabled && + object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + acpi_memory_plug_cb(&s->ar, s->irq, &s->acpi_memory_hotplug, dev, errp); + } 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 { @@ -531,6 +538,10 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, 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); + } } static Property piix4_pm_properties[] = { @@ -540,6 +551,8 @@ static Property piix4_pm_properties[] = { DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2), DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState, use_acpi_pci_hotplug, true), + DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState, + acpi_memory_hotplug.is_enabled, true), DEFINE_PROP_END_OF_LIST(), }; -- cgit v1.2.1