CRED: Constify the kernel_cap_t arguments to the capset LSM hooks
[linux-2.6.git] / include / linux / pci-acpi.h
1 /*
2  * File         pci-acpi.h
3  *
4  * Copyright (C) 2004 Intel
5  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
6  */
7
8 #ifndef _PCI_ACPI_H_
9 #define _PCI_ACPI_H_
10
11 #define OSC_QUERY_TYPE                  0
12 #define OSC_SUPPORT_TYPE                1
13 #define OSC_CONTROL_TYPE                2
14 #define OSC_SUPPORT_MASKS               0x1f
15
16 /*
17  * _OSC DW0 Definition 
18  */
19 #define OSC_QUERY_ENABLE                1
20 #define OSC_REQUEST_ERROR               2
21 #define OSC_INVALID_UUID_ERROR          4
22 #define OSC_INVALID_REVISION_ERROR      8
23 #define OSC_CAPABILITIES_MASK_ERROR     16
24
25 /*
26  * _OSC DW1 Definition (OS Support Fields)
27  */
28 #define OSC_EXT_PCI_CONFIG_SUPPORT              1
29 #define OSC_ACTIVE_STATE_PWR_SUPPORT            2
30 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT        4
31 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT          8
32 #define OSC_MSI_SUPPORT                         16
33
34 /*
35  * _OSC DW1 Definition (OS Control Fields)
36  */
37 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL       1
38 #define OSC_SHPC_NATIVE_HP_CONTROL              2
39 #define OSC_PCI_EXPRESS_PME_CONTROL             4
40 #define OSC_PCI_EXPRESS_AER_CONTROL             8
41 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL   16
42
43 #define OSC_CONTROL_MASKS       (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL |    \
44                                 OSC_SHPC_NATIVE_HP_CONTROL |            \
45                                 OSC_PCI_EXPRESS_PME_CONTROL |           \
46                                 OSC_PCI_EXPRESS_AER_CONTROL |           \
47                                 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
48
49 #ifdef CONFIG_ACPI
50 extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
51 extern acpi_status __pci_osc_support_set(u32 flags, const char *hid);
52 static inline acpi_status pci_osc_support_set(u32 flags)
53 {
54         return __pci_osc_support_set(flags, PCI_ROOT_HID_STRING);
55 }
56 static inline acpi_status pcie_osc_support_set(u32 flags)
57 {
58         return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING);
59 }
60 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
61 {
62         /* Find root host bridge */
63         while (pdev->bus->self)
64                 pdev = pdev->bus->self;
65
66         return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
67                         pdev->bus->number);
68 }
69 #else
70 #if !defined(AE_ERROR)
71 typedef u32             acpi_status;
72 #define AE_ERROR        (acpi_status) (0x0001)
73 #endif    
74 static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
75 {return AE_ERROR;}
76 static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} 
77 static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;}
78 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
79 { return NULL; }
80 #endif
81
82 #endif  /* _PCI_ACPI_H_ */