4 * Copyright (C) 2004 Intel
5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
11 #include <linux/acpi.h>
14 extern acpi_status
pci_acpi_add_bus_pm_notifier(struct acpi_device
*dev
);
15 static inline acpi_status
pci_acpi_remove_bus_pm_notifier(struct acpi_device
*dev
)
17 return acpi_remove_pm_notifier(dev
);
19 extern acpi_status
pci_acpi_add_pm_notifier(struct acpi_device
*dev
,
20 struct pci_dev
*pci_dev
);
21 static inline acpi_status
pci_acpi_remove_pm_notifier(struct acpi_device
*dev
)
23 return acpi_remove_pm_notifier(dev
);
25 extern phys_addr_t
acpi_pci_root_get_mcfg_addr(acpi_handle handle
);
27 static inline acpi_handle
acpi_find_root_bridge_handle(struct pci_dev
*pdev
)
29 struct pci_bus
*pbus
= pdev
->bus
;
31 /* Find a PCI root bus */
32 while (!pci_is_root_bus(pbus
))
35 return ACPI_HANDLE(pbus
->bridge
);
38 static inline acpi_handle
acpi_pci_get_bridge_handle(struct pci_bus
*pbus
)
42 if (pci_is_root_bus(pbus
))
45 /* If pbus is a virtual bus, there is no bridge to it */
49 dev
= &pbus
->self
->dev
;
52 return ACPI_HANDLE(dev
);
56 struct acpi_pci_root_ops
;
58 struct acpi_pci_root_info
{
59 struct acpi_pci_root
*root
;
60 struct acpi_device
*bridge
;
61 struct acpi_pci_root_ops
*ops
;
62 struct list_head resources
;
66 struct acpi_pci_root_ops
{
67 struct pci_ops
*pci_ops
;
68 int (*init_info
)(struct acpi_pci_root_info
*info
);
69 void (*release_info
)(struct acpi_pci_root_info
*info
);
70 int (*prepare_resources
)(struct acpi_pci_root_info
*info
);
73 extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info
*info
);
74 extern struct pci_bus
*acpi_pci_root_create(struct acpi_pci_root
*root
,
75 struct acpi_pci_root_ops
*ops
,
76 struct acpi_pci_root_info
*info
,
79 void acpi_pci_add_bus(struct pci_bus
*bus
);
80 void acpi_pci_remove_bus(struct pci_bus
*bus
);
82 #ifdef CONFIG_ACPI_PCI_SLOT
83 void acpi_pci_slot_init(void);
84 void acpi_pci_slot_enumerate(struct pci_bus
*bus
);
85 void acpi_pci_slot_remove(struct pci_bus
*bus
);
87 static inline void acpi_pci_slot_init(void) { }
88 static inline void acpi_pci_slot_enumerate(struct pci_bus
*bus
) { }
89 static inline void acpi_pci_slot_remove(struct pci_bus
*bus
) { }
92 #ifdef CONFIG_HOTPLUG_PCI_ACPI
93 void acpiphp_init(void);
94 void acpiphp_enumerate_slots(struct pci_bus
*bus
);
95 void acpiphp_remove_slots(struct pci_bus
*bus
);
96 void acpiphp_check_host_bridge(struct acpi_device
*adev
);
98 static inline void acpiphp_init(void) { }
99 static inline void acpiphp_enumerate_slots(struct pci_bus
*bus
) { }
100 static inline void acpiphp_remove_slots(struct pci_bus
*bus
) { }
101 static inline void acpiphp_check_host_bridge(struct acpi_device
*adev
) { }
104 extern const u8 pci_acpi_dsm_uuid
[];
105 #define DEVICE_LABEL_DSM 0x07
106 #define RESET_DELAY_DSM 0x08
107 #define FUNCTION_DELAY_DSM 0x09
109 #else /* CONFIG_ACPI */
110 static inline void acpi_pci_add_bus(struct pci_bus
*bus
) { }
111 static inline void acpi_pci_remove_bus(struct pci_bus
*bus
) { }
112 #endif /* CONFIG_ACPI */
114 #ifdef CONFIG_ACPI_APEI
115 extern bool aer_acpi_firmware_first(void);
117 static inline bool aer_acpi_firmware_first(void) { return false; }
120 #endif /* _PCI_ACPI_H_ */
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