tjh.dev
Linux kernel mirror (for testing)
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kernel
os
linux
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);
15static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
16{
17 return acpi_remove_pm_notifier(dev);
18}
19extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
20 struct pci_dev *pci_dev);
21static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
22{
23 return acpi_remove_pm_notifier(dev);
24}
25extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
26
27static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
28{
29 struct pci_bus *pbus = pdev->bus;
30
31 /* Find a PCI root bus */
32 while (!pci_is_root_bus(pbus))
33 pbus = pbus->parent;
34
35 return ACPI_HANDLE(pbus->bridge);
36}
37
38static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
39{
40 struct device *dev;
41
42 if (pci_is_root_bus(pbus))
43 dev = pbus->bridge;
44 else
45 dev = &pbus->self->dev;
46
47 return ACPI_HANDLE(dev);
48}
49
50void acpi_pci_add_bus(struct pci_bus *bus);
51void acpi_pci_remove_bus(struct pci_bus *bus);
52
53#ifdef CONFIG_ACPI_PCI_SLOT
54void acpi_pci_slot_init(void);
55void acpi_pci_slot_enumerate(struct pci_bus *bus);
56void acpi_pci_slot_remove(struct pci_bus *bus);
57#else
58static inline void acpi_pci_slot_init(void) { }
59static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
60static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
61#endif
62
63#ifdef CONFIG_HOTPLUG_PCI_ACPI
64void acpiphp_init(void);
65void acpiphp_enumerate_slots(struct pci_bus *bus);
66void acpiphp_remove_slots(struct pci_bus *bus);
67void acpiphp_check_host_bridge(struct acpi_device *adev);
68#else
69static inline void acpiphp_init(void) { }
70static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
71static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
72static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
73#endif
74
75#else /* CONFIG_ACPI */
76static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
77static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
78#endif /* CONFIG_ACPI */
79
80#ifdef CONFIG_ACPI_APEI
81extern bool aer_acpi_firmware_first(void);
82#else
83static inline bool aer_acpi_firmware_first(void) { return false; }
84#endif
85
86#endif /* _PCI_ACPI_H_ */