hw/acpi/pci-bridge.c

   1 /*
   2  * QEMU ACPI PCI bridge
   3  *
   4  * Copyright (c) 2023 Red Hat, Inc.
   5  *
   6  * Author:
   7  *   Igor Mammedov <imammedo@redhat.com>
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  *
  11  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  12  * See the COPYING file in the top-level directory.
  13  */
  14
  15 #include "qemu/osdep.h"
  16 #include "hw/acpi/pci.h"
  17 #include "hw/pci/pci_bridge.h"
  18 #include "hw/acpi/pcihp.h"
  19
  20 void build_pci_bridge_aml(AcpiDevAmlIf *adev, Aml *scope)
  21 {
  22     PCIBridge *br = PCI_BRIDGE(adev);
  23
  24     if (!DEVICE(br)->hotplugged) {
  25         PCIBus *sec_bus = pci_bridge_get_sec_bus(br);
  26
  27         build_append_pci_bus_devices(scope, sec_bus);
  28
  29         /*
  30          * generate hotplug slots descriptors if
  31          * bridge has ACPI PCI hotplug attached,
  32          */
  33         if (object_property_find(OBJECT(sec_bus), ACPI_PCIHP_PROP_BSEL)) {
  34             build_append_pcihp_slots(scope, sec_bus);
  35         }
  36     }
  37 }