2 This is an implementation of the ACPI Support protocol.
3 It is in compliance with the 0.9 definition of the protocol.
5 Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions
9 of the BSD License which accompanies this distribution. The
10 full text of the license may be found at
11 http://opensource.org/licenses/bsd-license.php
13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 #ifndef _ACPI_SUPPORT_H_
19 #define _ACPI_SUPPORT_H_
24 #include <Protocol/AcpiTable.h>
25 #include <Guid/Acpi.h>
26 #include <Protocol/AcpiSupport.h>
28 #include <Library/BaseLib.h>
29 #include <Library/DebugLib.h>
30 #include <Library/UefiLib.h>
31 #include <Library/BaseMemoryLib.h>
32 #include <Library/UefiDriverEntryPoint.h>
33 #include <Library/MemoryAllocationLib.h>
34 #include <Library/UefiBootServicesTableLib.h>
35 #include <Library/PcdLib.h>
38 // Statements that include other files
40 #include <IndustryStandard/Acpi.h>
44 // Private Driver Data
47 // ACPI Table Linked List Signature.
49 #define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L')
52 // ACPI Table Linked List Entry definition.
54 // Signature must be set to EFI_ACPI_TABLE_LIST_SIGNATURE
55 // Link is the linked list data.
56 // Version is the versions of the ACPI tables that this table belongs in.
57 // Table is a pointer to the table.
58 // PageAddress is the address of the pages allocated for the table.
59 // NumberOfPages is the number of pages allocated at PageAddress.
60 // Handle is used to identify a particular table.
65 EFI_ACPI_TABLE_VERSION Version
;
66 EFI_ACPI_COMMON_HEADER
*Table
;
67 EFI_PHYSICAL_ADDRESS PageAddress
;
70 } EFI_ACPI_TABLE_LIST
;
73 // Containment record for linked list.
75 #define EFI_ACPI_TABLE_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE)
78 // The maximum number of tables this driver supports
80 #define EFI_ACPI_MAX_NUM_TABLES 20
83 // Protocol private structure definition
86 // ACPI support protocol instance signature definition.
88 #define EFI_ACPI_SUPPORT_SIGNATURE SIGNATURE_32 ('S', 'S', 'A', 'E')
91 // ACPI support protocol instance data structure
95 EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER
*Rsdp1
; // Pointer to RSD_PTR structure
96 EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER
*Rsdp3
; // Pointer to RSD_PTR structure
97 EFI_ACPI_DESCRIPTION_HEADER
*Rsdt1
; // Pointer to RSDT table header
98 EFI_ACPI_DESCRIPTION_HEADER
*Rsdt3
; // Pointer to RSDT table header
99 EFI_ACPI_DESCRIPTION_HEADER
*Xsdt
; // Pointer to XSDT table header
100 EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE
*Fadt1
; // Pointer to FADT table header
101 EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE
*Fadt3
; // Pointer to FADT table header
102 EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE
*Facs1
; // Pointer to FACS table header
103 EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE
*Facs3
; // Pointer to FACS table header
104 EFI_ACPI_DESCRIPTION_HEADER
*Dsdt1
; // Pointer to DSDT table header
105 EFI_ACPI_DESCRIPTION_HEADER
*Dsdt3
; // Pointer to DSDT table header
106 LIST_ENTRY TableList
;
107 UINTN NumberOfTableEntries1
; // Number of ACPI 1.0 tables
108 UINTN NumberOfTableEntries3
; // Number of ACPI 3.0 tables
110 BOOLEAN TablesInstalled1
; // ACPI 1.0 tables published
111 BOOLEAN TablesInstalled3
; // ACPI 3.0 tables published
112 EFI_ACPI_SUPPORT_PROTOCOL AcpiSupport
;
113 EFI_ACPI_TABLE_PROTOCOL AcpiTableProtocol
;
114 } EFI_ACPI_SUPPORT_INSTANCE
;
117 // ACPI support protocol instance containing record macro
119 #define EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \
121 EFI_ACPI_SUPPORT_INSTANCE, \
123 EFI_ACPI_SUPPORT_SIGNATURE \
126 // ACPI table protocol instance containing record macro
128 #define EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \
130 EFI_ACPI_SUPPORT_INSTANCE, \
132 EFI_ACPI_SUPPORT_SIGNATURE \
136 Constructor for the ACPI support protocol.
138 Constructor for the ACPI support protocol to initializes instance data.
140 @param AcpiSupportInstance Instance to construct
142 @retval EFI_SUCCESS Instance initialized.
143 @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.
146 AcpiSupportAcpiSupportConstructor (
147 IN EFI_ACPI_SUPPORT_INSTANCE
*AcpiSupportInstance
150 Entry point of the ACPI support driver. This function creates and initializes an instance of the ACPI Support
151 Protocol and installs it on a new handle.
153 @param ImageHandle A handle for the image that is initializing this driver
154 @param SystemTable A pointer to the EFI system table
156 @retval EFI_SUCCESS Driver initialized successfully
157 @retval EFI_LOAD_ERROR Failed to Initialize or has been loaded
158 @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources
163 IN EFI_HANDLE ImageHandle
,
164 IN EFI_SYSTEM_TABLE
*SystemTable