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1/*
2 * File pci-acpi.h
3 *
4 * Copyright (C) 2004 Intel
5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
6 */
7
8#ifndef _PCI_ACPI_H_
9#define _PCI_ACPI_H_
10
11#include <linux/acpi.h>
12
13#ifdef CONFIG_ACPI
14extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
15 struct pci_bus *pci_bus);
16extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
17extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
18 struct pci_dev *pci_dev);
19extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
20
21static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
22{
23 struct pci_bus *pbus = pdev->bus;
24 /* Find a PCI root bus */
25 while (!pci_is_root_bus(pbus))
26 pbus = pbus->parent;
27 return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
28 pbus->number);
29}
30
31static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
32{
33 if (!pci_is_root_bus(pbus))
34 return DEVICE_ACPI_HANDLE(&(pbus->self->dev));
35 return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
36 pbus->number);
37}
38#endif
39
40#ifdef CONFIG_ACPI_APEI
41extern bool aer_acpi_firmware_first(void);
42#else
43static inline bool aer_acpi_firmware_first(void) { return false; }
44#endif
45
46#endif /* _PCI_ACPI_H_ */