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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143/* SPDX-License-Identifier: GPL-2.0 *//* * 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_ACPIextern acpi_status pci_acpi_add_root_pm_notifier(struct acpi_device *dev, struct acpi_pci_root *pci_root);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);
struct pci_ecam_ops;extern int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres, const struct pci_ecam_ops **ecam_ops);
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_PCIvoid pci_acpi_setup(struct device *dev, struct acpi_device *adev);void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev);#elsestatic inline void pci_acpi_setup(struct device *dev, struct acpi_device *adev) {}static inline void pci_acpi_cleanup(struct device *dev, struct acpi_device *adev) {}#endif
#ifdef CONFIG_ACPI_PCI_SLOTvoid acpi_pci_slot_init(void);void acpi_pci_slot_enumerate(struct pci_bus *bus);void acpi_pci_slot_remove(struct pci_bus *bus);#elsestatic 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_ACPIvoid 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);#elsestatic 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 guid_t pci_acpi_dsm_guid;
/* _DSM Definitions for PCI */#define DSM_PCI_PRESERVE_BOOT_CONFIG 0x05#define DSM_PCI_DEVICE_NAME 0x07#define DSM_PCI_POWER_ON_RESET_DELAY 0x08#define DSM_PCI_DEVICE_READINESS_DURATIONS 0x09
#ifdef CONFIG_PCIE_EDRvoid pci_acpi_add_edr_notifier(struct pci_dev *pdev);void pci_acpi_remove_edr_notifier(struct pci_dev *pdev);#elsestatic inline void pci_acpi_add_edr_notifier(struct pci_dev *pdev) { }static inline void pci_acpi_remove_edr_notifier(struct pci_dev *pdev) { }#endif /* CONFIG_PCIE_EDR */
int pci_acpi_set_companion_lookup_hook(struct acpi_device *(*func)(struct pci_dev *));void pci_acpi_clear_companion_lookup_hook(void);
#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 */
#endif /* _PCI_ACPI_H_ */