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 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