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a9102619 | 1 | /** @file\r |
8e8227d1 | 2 | PCI Incompatible device support Libary. Platform can implement an\r |
920d2c23 | 3 | instance to support the incompatible PCI devices.\r |
a9102619 | 4 | \r |
8e8227d1 | 5 | Copyright (c) 2006 - 2009, Intel Corporation\r |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
a9102619 | 13 | \r |
14 | **/\r | |
15 | \r | |
8d0a8e53 | 16 | #ifndef __PCI_INCOMPATIBLE_DEVICE_SUPPORT_LIB_H__\r |
17 | #define __PCI_INCOMPATIBLE_DEVICE_SUPPORT_LIB_H__\r | |
18 | \r | |
a9102619 | 19 | #define PCI_REGISTER_READ 0xfffffffffffffff1ULL\r |
20 | #define PCI_REGISTER_WRITE 0xfffffffffffffff2ULL\r | |
21 | #define VALUE_NOCARE 0xffffffffffffffffULL\r | |
22 | \r | |
23 | //\r | |
24 | // PCI device device information\r | |
25 | //\r | |
26 | typedef struct {\r | |
27 | UINT64 VendorID;\r | |
28 | UINT64 DeviceID;\r | |
29 | UINT64 RevisionID;\r | |
30 | UINT64 SubsystemVendorID;\r | |
31 | UINT64 SubsystemID;\r | |
32 | } EFI_PCI_DEVICE_INFO;\r | |
33 | \r | |
34 | \r | |
35 | //\r | |
36 | // store hardcode value of resgister\r | |
37 | //\r | |
38 | typedef struct {\r | |
39 | UINT64 AndValue;\r | |
40 | UINT64 OrValue;\r | |
41 | } EFI_PCI_REGISTER_VALUE_DATA;\r | |
42 | \r | |
43 | //\r | |
44 | // store access width information\r | |
45 | //\r | |
46 | typedef struct {\r | |
47 | UINT64 StartOffset;\r | |
48 | UINT64 EndOffset;\r | |
49 | UINT64 Width;\r | |
50 | } EFI_PCI_REGISTER_ACCESS_DATA;\r | |
51 | \r | |
52 | \r | |
53 | //\r | |
54 | // ACPI resource descriptor\r | |
55 | //\r | |
56 | typedef struct {\r | |
57 | UINT64 ResType;\r | |
58 | UINT64 GenFlag;\r | |
59 | UINT64 SpecificFlag;\r | |
60 | UINT64 AddrSpaceGranularity;\r | |
61 | UINT64 AddrRangeMin;\r | |
62 | UINT64 AddrRangeMax;\r | |
63 | UINT64 AddrTranslationOffset;\r | |
64 | UINT64 AddrLen;\r | |
65 | } EFI_PCI_RESOUCE_DESCRIPTOR;\r | |
66 | \r | |
67 | /**\r | |
8e8227d1 | 68 | Check the incompatible device list for ACPI resource update and return\r |
a9102619 | 69 | the configuration.\r |
70 | \r | |
71 | This function searches the incompatible device list according to request\r | |
72 | information. If the PCI device belongs to the devices list, corresponding\r | |
73 | configuration informtion will be returned, in the meantime return EFI_SUCCESS.\r | |
74 | \r | |
8e8227d1 | 75 | @param PciDeviceInfo A pointer to PCI device information.\r |
76 | @param Configuration Returned information.\r | |
77 | \r | |
78 | @retval EFI_SUCCESS If check incompatible device successfully.\r | |
79 | @retval EFI_ABORTED No any resource type.\r | |
80 | @retval EFI_OUT_OF_RESOURCES No memory available.\r | |
81 | @retval EFI_UNSUPPORTED Invalid Tag encounted.\r | |
a9102619 | 82 | \r |
a9102619 | 83 | **/\r |
8e8227d1 | 84 | EFI_STATUS\r |
a9102619 | 85 | EFIAPI\r |
86 | PciResourceUpdateCheck (\r | |
87 | IN EFI_PCI_DEVICE_INFO *PciDeviceInfo,\r | |
88 | OUT VOID *Configuration\r | |
89 | );\r | |
90 | \r | |
91 | /**\r | |
8e8227d1 | 92 | Check the incompatible device list and return configuraton register mask values.\r |
a9102619 | 93 | \r |
94 | This function searches the incompatible device list according to request\r | |
95 | information. If the PCI device belongs to the devices list, corresponding\r | |
96 | configuration informtion will be returned, in the meantime return EFI_SUCCESS.\r | |
97 | \r | |
98 | @param PciDeviceInfo A pointer to EFI_PCI_DEVICE_INFO.\r | |
99 | @param AccessType Access Type, READ or WRITE.\r | |
100 | @param Offset The address within the PCI configuration space.\r | |
101 | @param Configuration Returned information.\r | |
102 | \r | |
8e8227d1 | 103 | @retval EFI_SUCCESS If check incompatible device successfully.\r |
104 | @retval EFI_UNSUPPORTED Failed to check incompatibility device.\r | |
105 | \r | |
a9102619 | 106 | **/\r |
8e8227d1 | 107 | EFI_STATUS\r |
a9102619 | 108 | EFIAPI\r |
109 | PciRegisterUpdateCheck (\r | |
110 | IN EFI_PCI_DEVICE_INFO *PciDeviceInfo,\r | |
111 | IN UINT64 AccessType,\r | |
112 | IN UINT64 Offset,\r | |
113 | OUT VOID *Configuration\r | |
114 | );\r | |
115 | \r | |
116 | /**\r | |
8e8227d1 | 117 | Check the incompatible device list for access width incompatibility and\r |
ae358cb2 | 118 | return the configuration.\r |
a9102619 | 119 | \r |
120 | This function searches the incompatible device list for access width\r | |
121 | incompatibility according to request information. If the PCI device\r | |
122 | belongs to the devices list, corresponding configuration informtion\r | |
123 | will be returned, in the meantime return EFI_SUCCESS.\r | |
124 | \r | |
125 | @param PciDeviceInfo A pointer to PCI device information.\r | |
126 | @param AccessType Access type, READ or WRITE.\r | |
127 | @param Offset The address within the PCI configuration space.\r | |
128 | @param AccessWidth Access width needs to check incompatibility.\r | |
129 | @param Configuration Returned information.\r | |
130 | \r | |
8e8227d1 | 131 | @retval EFI_SUCCESS If check incompatible device successfully.\r |
132 | @retval EFI_UNSUPPORTED Failed to check incompatibility device.\r | |
133 | \r | |
a9102619 | 134 | **/\r |
8e8227d1 | 135 | EFI_STATUS\r |
a9102619 | 136 | EFIAPI\r |
137 | PciRegisterAccessCheck (\r | |
138 | IN EFI_PCI_DEVICE_INFO *PciDeviceInfo,\r | |
139 | IN UINT64 AccessType,\r | |
140 | IN UINT64 Offset,\r | |
141 | IN UINT64 AccessWidth,\r | |
142 | OUT VOID *Configuration\r | |
143 | );\r | |
8d0a8e53 | 144 | \r |
145 | #endif\r | |
146 | \r |