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79964ac8 1/** @file\r
4a71b21a 2 This protocol provides some basic services to support publishing ACPI system tables. The\r
3 services handle many of the more mundane tasks that are required to publish a set of tables. The\r
5259c97d 4 services will:\r
f22f941e 5 - Generate common tables.\r
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6 - Update the table links.\r
7 - Ensure that tables are properly aligned and use correct types of memory.\r
8 - Update checksum values and IDs.\r
9 - Complete the final installation of the tables.\r
10\r
11Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
22a69a5e 12SPDX-License-Identifier: BSD-2-Clause-Patent\r
79964ac8 13\r
534b8251 14 @par Revision Reference:\r
689aa0d6 15 This Protocol is defined in Framework ACPI Specification.\r
534b8251 16 Version 0.9.\r
17\r
79964ac8 18**/\r
19\r
20#ifndef _ACPI_SUPPORT_PROTOCOL_H_\r
21#define _ACPI_SUPPORT_PROTOCOL_H_\r
22\r
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23#include <Protocol/AcpiSystemDescriptionTable.h>\r
24\r
79964ac8 25typedef struct _EFI_ACPI_SUPPORT_PROTOCOL EFI_ACPI_SUPPORT_PROTOCOL;\r
26\r
27//\r
28// ACPI Support Protocol GUID\r
29//\r
30#define EFI_ACPI_SUPPORT_GUID \\r
31 { \\r
32 0xdbff9d55, 0x89b7, 0x46da, {0xbd, 0xdf, 0x67, 0x7d, 0x3d, 0xc0, 0x24, 0x1d } \\r
33 }\r
34\r
79964ac8 35\r
36//\r
37// Protocol Member Functions\r
38//\r
39\r
40/**\r
41 Returns a requested ACPI table.\r
42\r
43 @param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.\r
44 @param Index The zero-based index of the table to retrieve.\r
f22f941e 45 @param Table The pointer for returning the table buffer.\r
79964ac8 46 @param Version Updated with the ACPI versions to which this table belongs.\r
f22f941e 47 @param Handle The pointer for identifying the table.\r
79964ac8 48\r
49 @retval EFI_SUCCESS The function completed successfully.\r
50 @retval EFI_NOT_FOUND The requested index is too large and a table was not found.\r
51\r
52**/\r
53typedef\r
54EFI_STATUS\r
69686d56 55(EFIAPI *EFI_ACPI_GET_ACPI_TABLE)(\r
79964ac8 56 IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
57 IN INTN Index,\r
58 OUT VOID **Table,\r
59 OUT EFI_ACPI_TABLE_VERSION *Version,\r
60 OUT UINTN *Handle\r
61 );\r
62\r
63/**\r
64 Used to add, remove, or update ACPI tables.\r
65\r
66 @param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.\r
f22f941e 67 @param Table The pointer to the new table to add or update.\r
79964ac8 68 @param Checksum If TRUE, indicates that the checksum should be\r
69 calculated for this table.\r
70 @param Version Indicates to which version(s) of ACPI the table should be added.\r
f22f941e 71 @param Handle The pointer to the handle of the table to remove or update.\r
79964ac8 72\r
73 @retval EFI_SUCCESS The function completed successfully.\r
74 @retval EFI_INVALID_PARAMETER *Handle was zero and Table was NULL.\r
75 @retval EFI_ABORTED Could not complete the desired action.\r
76\r
77**/\r
78typedef\r
79EFI_STATUS\r
69686d56 80(EFIAPI *EFI_ACPI_SET_ACPI_TABLE)(\r
79964ac8 81 IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
82 IN VOID *Table OPTIONAL,\r
83 IN BOOLEAN Checksum,\r
84 IN EFI_ACPI_TABLE_VERSION Version,\r
85 IN OUT UINTN *Handle\r
86 );\r
87\r
88/**\r
89 Causes one or more versions of the ACPI tables to be published in\r
90 the EFI system configuration tables.\r
91\r
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92 The PublishTables() function installs the ACPI tables for the versions that are specified in\r
93 Version. No tables are published for Version equal to EFI_ACPI_VERSION_NONE. Once\r
94 published, tables will continue to be updated as tables are modified with\r
95 EFI_ACPI_SUPPORT_PROTOCOL.SetAcpiTable().\r
534b8251 96\r
79964ac8 97 @param This A pointer to the EFI_ACPI_SUPPORT_PROTOCOL instance.\r
5259c97d 98 @param Version Indicates to which version(s) of ACPI the table should be published.\r
79964ac8 99\r
100 @retval EFI_SUCCESS The function completed successfully.\r
101 @retval EFI_ABORTED An error occurred and the function could not complete successfully.\r
102\r
103**/\r
104typedef\r
105EFI_STATUS\r
69686d56 106(EFIAPI *EFI_ACPI_PUBLISH_TABLES)(\r
79964ac8 107 IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
108 IN EFI_ACPI_TABLE_VERSION Version\r
109 );\r
110\r
111//\r
112// ACPI Support Protocol\r
113//\r
114/**\r
79964ac8 115 This protocol provides some basic services to support publishing ACPI system\r
116 tables. The services handle many of the more mundane tasks that are required\r
117 to publish a set of tables.\r
79964ac8 118**/\r
119struct _EFI_ACPI_SUPPORT_PROTOCOL {\r
2bbaeb0d 120 ///\r
121 /// Returns a table specified by an index if it exists.\r
122 ///\r
79964ac8 123 EFI_ACPI_GET_ACPI_TABLE GetAcpiTable;\r
2bbaeb0d 124\r
125 ///\r
f22f941e 126 /// Adds, removes, or updates ACPI tables.\r
2bbaeb0d 127 ///\r
79964ac8 128 EFI_ACPI_SET_ACPI_TABLE SetAcpiTable;\r
2bbaeb0d 129\r
130 ///\r
131 /// Publishes the ACPI tables.\r
132 ///\r
79964ac8 133 EFI_ACPI_PUBLISH_TABLES PublishTables;\r
134};\r
135\r
136//\r
137// Extern the GUID for protocol users.\r
138//\r
139extern EFI_GUID gEfiAcpiSupportProtocolGuid;\r
140\r
141#endif\r
142\r