1 /* 2 * File pci-acpi.h 3 * 4 * Copyright (C) 2004 Intel 5 * Copyright (C) Tom Long Nguyen ([email protected]) 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 21 static 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 31 static 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 41 extern bool aer_acpi_firmware_first(void); 42 #else 43 static inline bool aer_acpi_firmware_first(void) { return false; } 44 #endif 45 46 #endif /* _PCI_ACPI_H_ */ 47