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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 |
14 | extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, |
15 | struct pci_bus *pci_bus); |
16 | extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); |
17 | extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, |
18 | struct pci_dev *pci_dev); |
19 | extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); |
20 | extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); |
21 | |
22 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
23 | { |
24 | struct pci_bus *pbus = pdev->bus; |
25 | |
26 | /* Find a PCI root bus */ |
27 | while (!pci_is_root_bus(pbus)) |
28 | pbus = pbus->parent; |
29 | |
30 | return DEVICE_ACPI_HANDLE(pbus->bridge); |
31 | } |
32 | |
33 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) |
34 | { |
35 | struct device *dev; |
36 | |
37 | if (pci_is_root_bus(pbus)) |
38 | dev = pbus->bridge; |
39 | else |
40 | dev = &pbus->self->dev; |
41 | |
42 | return DEVICE_ACPI_HANDLE(dev); |
43 | } |
44 | #endif |
45 | |
46 | #ifdef CONFIG_ACPI_APEI |
47 | extern bool aer_acpi_firmware_first(void); |
48 | #else |
49 | static inline bool aer_acpi_firmware_first(void) { return false; } |
50 | #endif |
51 | |
52 | #endif /* _PCI_ACPI_H_ */ |
53 |
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