pci-acpi.h

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/*
 * File     pci-acpi.h
 *
 * Copyright (C) 2004 Intel
 * Copyright (C) Tom Long Nguyen ([email protected])
 */

#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,
                         struct pci_bus *pci_bus);
extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
                         struct pci_dev *pci_dev);
extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *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 DEVICE_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
        dev = &pbus->self->dev;

    return DEVICE_ACPI_HANDLE(dev);
}
#endif

#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_ */