/* * File pci-acpi.h * * Copyright (C) 2004 Intel * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) */ #ifndef _PCI_ACPI_H_ #define _PCI_ACPI_H_ #include <linux/acpi.h> #ifdef CONFIG_ACPI extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev); static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev) { return acpi_remove_pm_notifier(dev); } extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, struct pci_dev *pci_dev); static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev) { return acpi_remove_pm_notifier(dev); } extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { struct pci_bus *pbus = pdev->bus; /* Find a PCI root bus */ while (!pci_is_root_bus(pbus)) pbus = pbus->parent; return ACPI_HANDLE(pbus->bridge); } static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) { struct device *dev; if (pci_is_root_bus(pbus)) dev = pbus->bridge; else { /* If pbus is a virtual bus, there is no bridge to it */ if (!pbus->self) return NULL; dev = &pbus->self->dev; } return ACPI_HANDLE(dev); } void acpi_pci_add_bus(struct pci_bus *bus); void acpi_pci_remove_bus(struct pci_bus *bus); #ifdef CONFIG_ACPI_PCI_SLOT void acpi_pci_slot_init(void); void acpi_pci_slot_enumerate(struct pci_bus *bus); void acpi_pci_slot_remove(struct pci_bus *bus); #else static inline void acpi_pci_slot_init(void) { } static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { } static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } #endif #ifdef CONFIG_HOTPLUG_PCI_ACPI void acpiphp_init(void); void acpiphp_enumerate_slots(struct pci_bus *bus); void acpiphp_remove_slots(struct pci_bus *bus); void acpiphp_check_host_bridge(struct acpi_device *adev); #else static inline void acpiphp_init(void) { } static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { } static inline void acpiphp_remove_slots(struct pci_bus *bus) { } static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } #endif #else /* CONFIG_ACPI */ static inline void acpi_pci_add_bus(struct pci_bus *bus) { } static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } #endif /* CONFIG_ACPI */ #ifdef CONFIG_ACPI_APEI extern bool aer_acpi_firmware_first(void); #else static inline bool aer_acpi_firmware_first(void) { return false; } #endif #endif /* _PCI_ACPI_H_ */