[PATCH 21/22] hw/arm/virt: Plug pcihp hotplug/hotunplug callbacks

[Eric Auger <eric.auger@redhat.com>]

Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/arm/virt.c | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 526c4c44be..ecbcc2200a 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -87,6 +87,7 @@
 #include "hw/virtio/virtio-iommu.h"
 #include "hw/char/pl011.h"
 #include "qemu/guest-random.h"
+#include "hw/acpi/pcihp.h"
 
 static GlobalProperty arm_virt_compat[] = {
     { TYPE_VIRTIO_IOMMU_PCI, "aw-bits", "48" },
@@ -2973,6 +2974,11 @@ static void virt_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev,
         qlist_append_str(reserved_regions, resv_prop_str);
         qdev_prop_set_array(dev, "reserved-regions", reserved_regions);
         g_free(resv_prop_str);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+        if (vms->acpi_pcihp) {
+            acpi_pcihp_device_pre_plug_cb(HOTPLUG_HANDLER(vms->acpi_dev),
+                                          dev, errp);
+        }
     }
 }
 
@@ -3002,6 +3008,14 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev,
         vms->iommu = VIRT_IOMMU_VIRTIO;
         vms->virtio_iommu_bdf = pci_get_bdf(pdev);
         create_virtio_iommu_dt_bindings(vms);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+        AcpiGedState *acpi_ged_state = ACPI_GED(vms->acpi_dev);
+        AcpiPciHpState *acpi_pci_hotplug = &acpi_ged_state->pcihp_state;
+
+        if (vms->acpi_pcihp) {
+            acpi_pcihp_device_plug_cb(HOTPLUG_HANDLER(vms->acpi_dev),
+                                      acpi_pci_hotplug, dev, errp);
+        }
     }
 }
 
@@ -3051,6 +3065,15 @@ static void virt_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev,
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
         virtio_md_pci_unplug_request(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev),
                                      errp);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+        VirtMachineState *vms = VIRT_MACHINE(hotplug_dev);
+        AcpiGedState *acpi_ged_state = ACPI_GED(vms->acpi_dev);
+        AcpiPciHpState *acpi_pci_hotplug = &acpi_ged_state->pcihp_state;
+
+        if (vms->acpi_pcihp) {
+            acpi_pcihp_device_unplug_request_cb(HOTPLUG_HANDLER(vms->acpi_dev),
+                                                acpi_pci_hotplug, dev, errp);
+        }
     } else {
         error_setg(errp, "device unplug request for unsupported device"
                    " type: %s", object_get_typename(OBJECT(dev)));
@@ -3064,6 +3087,15 @@ static void virt_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
         virt_dimm_unplug(hotplug_dev, dev, errp);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI)) {
         virtio_md_pci_unplug(VIRTIO_MD_PCI(dev), MACHINE(hotplug_dev), errp);
+    } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+        VirtMachineState *vms = VIRT_MACHINE(hotplug_dev);
+        AcpiGedState *acpi_ged_state = ACPI_GED(vms->acpi_dev);
+        AcpiPciHpState *acpi_pci_hotplug = &acpi_ged_state->pcihp_state;
+
+        if (vms->acpi_pcihp) {
+            acpi_pcihp_device_unplug_cb(HOTPLUG_HANDLER(vms->acpi_dev),
+                                        acpi_pci_hotplug, dev, errp);
+        }
     } else {
         error_setg(errp, "virt: device unplug for unsupported device"
                    " type: %s", object_get_typename(OBJECT(dev)));
@@ -3074,11 +3106,14 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine,
                                                         DeviceState *dev)
 {
     MachineClass *mc = MACHINE_GET_CLASS(machine);
+    VirtMachineState *vms = VIRT_MACHINE(machine);
 
     if (device_is_dynamic_sysbus(mc, dev) ||
         object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
         object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MD_PCI) ||
-        object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
+        object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI) ||
+        (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE) &&
+                             vms->acpi_pcihp)) {
         return HOTPLUG_HANDLER(machine);
     }
     return NULL;
-- 
2.49.0