1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * File pci-acpi.h 2 * File pci-acpi.h
4 * 3 *
5 * Copyright (C) 2004 Intel 4 * Copyright (C) 2004 Intel
6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen 5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
7 */ 6 */
8 7
9 #ifndef _PCI_ACPI_H_ 8 #ifndef _PCI_ACPI_H_
10 #define _PCI_ACPI_H_ 9 #define _PCI_ACPI_H_
11 10
12 #include <linux/acpi.h> 11 #include <linux/acpi.h>
13 12
14 #ifdef CONFIG_ACPI 13 #ifdef CONFIG_ACPI
15 extern acpi_status pci_acpi_add_bus_pm_notifie 14 extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
16 static inline acpi_status pci_acpi_remove_bus_ 15 static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
17 { 16 {
18 return acpi_remove_pm_notifier(dev); 17 return acpi_remove_pm_notifier(dev);
19 } 18 }
20 extern acpi_status pci_acpi_add_pm_notifier(st 19 extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
21 s 20 struct pci_dev *pci_dev);
22 static inline acpi_status pci_acpi_remove_pm_n 21 static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
23 { 22 {
24 return acpi_remove_pm_notifier(dev); 23 return acpi_remove_pm_notifier(dev);
25 } 24 }
26 extern phys_addr_t acpi_pci_root_get_mcfg_addr 25 extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
27 26
28 struct pci_ecam_ops; 27 struct pci_ecam_ops;
29 extern int pci_mcfg_lookup(struct acpi_pci_roo 28 extern int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres,
30 const struct pci_ec !! 29 struct pci_ecam_ops **ecam_ops);
31 30
32 static inline acpi_handle acpi_find_root_bridg 31 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
33 { 32 {
34 struct pci_bus *pbus = pdev->bus; 33 struct pci_bus *pbus = pdev->bus;
35 34
36 /* Find a PCI root bus */ 35 /* Find a PCI root bus */
37 while (!pci_is_root_bus(pbus)) 36 while (!pci_is_root_bus(pbus))
38 pbus = pbus->parent; 37 pbus = pbus->parent;
39 38
40 return ACPI_HANDLE(pbus->bridge); 39 return ACPI_HANDLE(pbus->bridge);
41 } 40 }
42 41
43 static inline acpi_handle acpi_pci_get_bridge_ 42 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
44 { 43 {
45 struct device *dev; 44 struct device *dev;
46 45
47 if (pci_is_root_bus(pbus)) 46 if (pci_is_root_bus(pbus))
48 dev = pbus->bridge; 47 dev = pbus->bridge;
49 else { 48 else {
50 /* If pbus is a virtual bus, t 49 /* If pbus is a virtual bus, there is no bridge to it */
51 if (!pbus->self) 50 if (!pbus->self)
52 return NULL; 51 return NULL;
53 52
54 dev = &pbus->self->dev; 53 dev = &pbus->self->dev;
55 } 54 }
56 55
57 return ACPI_HANDLE(dev); 56 return ACPI_HANDLE(dev);
58 } 57 }
59 58
60 struct acpi_pci_root; 59 struct acpi_pci_root;
61 struct acpi_pci_root_ops; 60 struct acpi_pci_root_ops;
62 61
63 struct acpi_pci_root_info { 62 struct acpi_pci_root_info {
64 struct acpi_pci_root *root; 63 struct acpi_pci_root *root;
65 struct acpi_device *bridg 64 struct acpi_device *bridge;
66 struct acpi_pci_root_ops *ops; 65 struct acpi_pci_root_ops *ops;
67 struct list_head resour 66 struct list_head resources;
68 char name[1 67 char name[16];
69 }; 68 };
70 69
71 struct acpi_pci_root_ops { 70 struct acpi_pci_root_ops {
72 struct pci_ops *pci_ops; 71 struct pci_ops *pci_ops;
73 int (*init_info)(struct acpi_pci_root_ 72 int (*init_info)(struct acpi_pci_root_info *info);
74 void (*release_info)(struct acpi_pci_r 73 void (*release_info)(struct acpi_pci_root_info *info);
75 int (*prepare_resources)(struct acpi_p 74 int (*prepare_resources)(struct acpi_pci_root_info *info);
76 }; 75 };
77 76
78 extern int acpi_pci_probe_root_resources(struc 77 extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info *info);
79 extern struct pci_bus *acpi_pci_root_create(st 78 extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
80 st 79 struct acpi_pci_root_ops *ops,
81 st 80 struct acpi_pci_root_info *info,
82 vo 81 void *sd);
83 82
84 void acpi_pci_add_bus(struct pci_bus *bus); 83 void acpi_pci_add_bus(struct pci_bus *bus);
85 void acpi_pci_remove_bus(struct pci_bus *bus); 84 void acpi_pci_remove_bus(struct pci_bus *bus);
86 85
87 #ifdef CONFIG_PCI <<
88 void pci_acpi_setup(struct device *dev, struct <<
89 void pci_acpi_cleanup(struct device *dev, stru <<
90 #else <<
91 static inline void pci_acpi_setup(struct devic <<
92 static inline void pci_acpi_cleanup(struct dev <<
93 #endif <<
94 <<
95 #ifdef CONFIG_ACPI_PCI_SLOT 86 #ifdef CONFIG_ACPI_PCI_SLOT
96 void acpi_pci_slot_init(void); 87 void acpi_pci_slot_init(void);
97 void acpi_pci_slot_enumerate(struct pci_bus *b 88 void acpi_pci_slot_enumerate(struct pci_bus *bus);
98 void acpi_pci_slot_remove(struct pci_bus *bus) 89 void acpi_pci_slot_remove(struct pci_bus *bus);
99 #else 90 #else
100 static inline void acpi_pci_slot_init(void) { 91 static inline void acpi_pci_slot_init(void) { }
101 static inline void acpi_pci_slot_enumerate(str 92 static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
102 static inline void acpi_pci_slot_remove(struct 93 static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
103 #endif 94 #endif
104 95
105 #ifdef CONFIG_HOTPLUG_PCI_ACPI 96 #ifdef CONFIG_HOTPLUG_PCI_ACPI
106 void acpiphp_init(void); 97 void acpiphp_init(void);
107 void acpiphp_enumerate_slots(struct pci_bus *b 98 void acpiphp_enumerate_slots(struct pci_bus *bus);
108 void acpiphp_remove_slots(struct pci_bus *bus) 99 void acpiphp_remove_slots(struct pci_bus *bus);
109 void acpiphp_check_host_bridge(struct acpi_dev 100 void acpiphp_check_host_bridge(struct acpi_device *adev);
110 #else 101 #else
111 static inline void acpiphp_init(void) { } 102 static inline void acpiphp_init(void) { }
112 static inline void acpiphp_enumerate_slots(str 103 static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
113 static inline void acpiphp_remove_slots(struct 104 static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
114 static inline void acpiphp_check_host_bridge(s 105 static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
115 #endif 106 #endif
116 107
117 extern const guid_t pci_acpi_dsm_guid; !! 108 extern const u8 pci_acpi_dsm_uuid[];
118 !! 109 #define DEVICE_LABEL_DSM 0x07
119 /* _DSM Definitions for PCI */ !! 110 #define RESET_DELAY_DSM 0x08
120 #define DSM_PCI_PRESERVE_BOOT_CONFIG !! 111 #define FUNCTION_DELAY_DSM 0x09
121 #define DSM_PCI_DEVICE_NAME <<
122 #define DSM_PCI_POWER_ON_RESET_DELAY <<
123 #define DSM_PCI_DEVICE_READINESS_DURATIONS <<
124 <<
125 #ifdef CONFIG_PCIE_EDR <<
126 void pci_acpi_add_edr_notifier(struct pci_dev <<
127 void pci_acpi_remove_edr_notifier(struct pci_d <<
128 #else <<
129 static inline void pci_acpi_add_edr_notifier(s <<
130 static inline void pci_acpi_remove_edr_notifie <<
131 #endif /* CONFIG_PCIE_EDR */ <<
132 <<
133 int pci_acpi_set_companion_lookup_hook(struct <<
134 void pci_acpi_clear_companion_lookup_hook(void <<
135 112
136 #else /* CONFIG_ACPI */ 113 #else /* CONFIG_ACPI */
137 static inline void acpi_pci_add_bus(struct pci 114 static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
138 static inline void acpi_pci_remove_bus(struct 115 static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
139 #endif /* CONFIG_ACPI */ 116 #endif /* CONFIG_ACPI */
>> 117
>> 118 #ifdef CONFIG_ACPI_APEI
>> 119 extern bool aer_acpi_firmware_first(void);
>> 120 #else
>> 121 static inline bool aer_acpi_firmware_first(void) { return false; }
>> 122 #endif
140 123
141 #endif /* _PCI_ACPI_H_ */ 124 #endif /* _PCI_ACPI_H_ */
142 125
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