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/*
* 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);
extern phys_addr_t pci_mcfg_lookup(u16 domain, struct resource *bus_res);
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);
}
struct acpi_pci_root;
struct acpi_pci_root_ops;
struct acpi_pci_root_info {
struct acpi_pci_root *root;
struct acpi_device *bridge;
struct acpi_pci_root_ops *ops;
struct list_head resources;
char name[16];
};
struct acpi_pci_root_ops {
struct pci_ops *pci_ops;
int (*init_info)(struct acpi_pci_root_info *info);
void (*release_info)(struct acpi_pci_root_info *info);
int (*prepare_resources)(struct acpi_pci_root_info *info);
};
extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info *info);
extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
struct acpi_pci_root_ops *ops,
struct acpi_pci_root_info *info,
void *sd);
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
extern const u8 pci_acpi_dsm_uuid[];
#define DEVICE_LABEL_DSM 0x07
#define RESET_DELAY_DSM 0x08
#define FUNCTION_DELAY_DSM 0x09
#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_ */