[PATCH 7/8] hw/acpi/ged: Support forced PCI unplug

Support forced PCI unplug for generic event device (ged). This enables
forced removal for ACPI PCI hotplug on arm64 virt machines while rejecting
non-PCI devices.

Signed-off-by: Dongli Zhang <[email protected]>
---
 hw/acpi/generic_event_device.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index 9e9416d406..3c041f5c26 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -314,6 +314,20 @@ static void acpi_ged_unplug_cb(HotplugHandler *hotplug_dev,
     }
 }
 
+static void acpi_ged_force_unplug_cb(HotplugHandler *hotplug_dev,
+                                     DeviceState *dev, Error **errp)
+{
+    AcpiGedState *s = ACPI_GED(hotplug_dev);
+
+    if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+        acpi_pcihp_device_force_unplug_cb(hotplug_dev, &s->pcihp_state,
+                                          dev, errp);
+    } else {
+        error_setg(errp, "acpi: forced device unplug for unsupported device"
+                   " type: %s", object_get_typename(OBJECT(dev)));
+    }
+}
+
 static void acpi_ged_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list)
 {
     AcpiGedState *s = ACPI_GED(adev);
@@ -603,6 +617,7 @@ static void acpi_ged_class_init(ObjectClass *class, const void *data)
     hc->plug = acpi_ged_device_plug_cb;
     hc->unplug_request = acpi_ged_unplug_request_cb;
     hc->unplug = acpi_ged_unplug_cb;
+    hc->force_unplug = acpi_ged_force_unplug_cb;
     resettable_class_set_parent_phases(rc, NULL, ged_reset_hold, NULL,
                                        &gedc->parent_phases);
 
-- 
2.43.5