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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/linux/pci-acpi.h
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 extern phys_addr_t
pci_mcfg_lookup(u16 domain
, struct resource
*bus_res
);
29 static inline acpi_handle
acpi_find_root_bridge_handle(struct pci_dev
*pdev
)
31 struct pci_bus
*pbus
= pdev
->bus
;
33 /* Find a PCI root bus */
34 while (!pci_is_root_bus(pbus
))
37 return ACPI_HANDLE(pbus
->bridge
);
40 static inline acpi_handle
acpi_pci_get_bridge_handle(struct pci_bus
*pbus
)
44 if (pci_is_root_bus(pbus
))
47 /* If pbus is a virtual bus, there is no bridge to it */
51 dev
= &pbus
->self
->dev
;
54 return ACPI_HANDLE(dev
);
58 struct acpi_pci_root_ops
;
60 struct acpi_pci_root_info
{
61 struct acpi_pci_root
*root
;
62 struct acpi_device
*bridge
;
63 struct acpi_pci_root_ops
*ops
;
64 struct list_head resources
;
68 struct acpi_pci_root_ops
{
69 struct pci_ops
*pci_ops
;
70 int (*init_info
)(struct acpi_pci_root_info
*info
);
71 void (*release_info
)(struct acpi_pci_root_info
*info
);
72 int (*prepare_resources
)(struct acpi_pci_root_info
*info
);
75 extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info
*info
);
76 extern struct pci_bus
*acpi_pci_root_create(struct acpi_pci_root
*root
,
77 struct acpi_pci_root_ops
*ops
,
78 struct acpi_pci_root_info
*info
,
81 void acpi_pci_add_bus(struct pci_bus
*bus
);
82 void acpi_pci_remove_bus(struct pci_bus
*bus
);
84 #ifdef CONFIG_ACPI_PCI_SLOT
85 void acpi_pci_slot_init(void);
86 void acpi_pci_slot_enumerate(struct pci_bus
*bus
);
87 void acpi_pci_slot_remove(struct pci_bus
*bus
);
89 static inline void acpi_pci_slot_init(void) { }
90 static inline void acpi_pci_slot_enumerate(struct pci_bus
*bus
) { }
91 static inline void acpi_pci_slot_remove(struct pci_bus
*bus
) { }
94 #ifdef CONFIG_HOTPLUG_PCI_ACPI
95 void acpiphp_init(void);
96 void acpiphp_enumerate_slots(struct pci_bus
*bus
);
97 void acpiphp_remove_slots(struct pci_bus
*bus
);
98 void acpiphp_check_host_bridge(struct acpi_device
*adev
);
100 static inline void acpiphp_init(void) { }
101 static inline void acpiphp_enumerate_slots(struct pci_bus
*bus
) { }
102 static inline void acpiphp_remove_slots(struct pci_bus
*bus
) { }
103 static inline void acpiphp_check_host_bridge(struct acpi_device
*adev
) { }
106 extern const u8 pci_acpi_dsm_uuid
[];
107 #define DEVICE_LABEL_DSM 0x07
108 #define RESET_DELAY_DSM 0x08
109 #define FUNCTION_DELAY_DSM 0x09
111 #else /* CONFIG_ACPI */
112 static inline void acpi_pci_add_bus(struct pci_bus
*bus
) { }
113 static inline void acpi_pci_remove_bus(struct pci_bus
*bus
) { }
114 #endif /* CONFIG_ACPI */
116 #ifdef CONFIG_ACPI_APEI
117 extern bool aer_acpi_firmware_first(void);
119 static inline bool aer_acpi_firmware_first(void) { return false; }
122 #endif /* _PCI_ACPI_H_ */