1 /** @file 2 This is an implementation of the ACPI Support protocol. 3 It is in compliance with the 0.9 definition of the protocol. 4 5 Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> 6 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 12 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. 15 16 **/ 17 18 #ifndef _ACPI_SUPPORT_H_ 19 #define _ACPI_SUPPORT_H_ 20 21 22 #include <PiDxe.h> 23 24 #include <Protocol/AcpiTable.h> 25 #include <Guid/Acpi.h> 26 #include <Protocol/AcpiSupport.h> 27 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> 36 37 // 38 // Statements that include other files 39 // 40 #include <IndustryStandard/Acpi.h> 41 42 43 // 44 // Private Driver Data 45 // 46 // 47 // ACPI Table Linked List Signature. 48 // 49 #define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L') 50 51 // 52 // ACPI Table Linked List Entry definition. 53 // 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. 61 // 62 typedef struct { 63 UINT32 Signature; 64 LIST_ENTRY Link; 65 EFI_ACPI_TABLE_VERSION Version; 66 EFI_ACPI_COMMON_HEADER *Table; 67 EFI_PHYSICAL_ADDRESS PageAddress; 68 UINTN NumberOfPages; 69 UINTN Handle; 70 } EFI_ACPI_TABLE_LIST; 71 72 // 73 // Containment record for linked list. 74 // 75 #define EFI_ACPI_TABLE_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE) 76 77 // 78 // The maximum number of tables this driver supports 79 // 80 #define EFI_ACPI_MAX_NUM_TABLES 20 81 82 // 83 // Protocol private structure definition 84 // 85 // 86 // ACPI support protocol instance signature definition. 87 // 88 #define EFI_ACPI_SUPPORT_SIGNATURE SIGNATURE_32 ('S', 'S', 'A', 'E') 89 90 // 91 // ACPI support protocol instance data structure 92 // 93 typedef struct { 94 UINTN Signature; 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 109 UINTN CurrentHandle; 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; 115 116 // 117 // ACPI support protocol instance containing record macro 118 // 119 #define EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \ 120 CR (a, \ 121 EFI_ACPI_SUPPORT_INSTANCE, \ 122 AcpiSupport, \ 123 EFI_ACPI_SUPPORT_SIGNATURE \ 124 ) 125 // 126 // ACPI table protocol instance containing record macro 127 // 128 #define EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \ 129 CR (a, \ 130 EFI_ACPI_SUPPORT_INSTANCE, \ 131 AcpiTableProtocol, \ 132 EFI_ACPI_SUPPORT_SIGNATURE \ 133 ) 134 135 /** 136 Constructor for the ACPI support protocol. 137 138 Constructor for the ACPI support protocol to initializes instance data. 139 140 @param AcpiSupportInstance Instance to construct 141 142 @retval EFI_SUCCESS Instance initialized. 143 @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources. 144 **/ 145 EFI_STATUS 146 AcpiSupportAcpiSupportConstructor ( 147 IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance 148 ); 149 /** 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. 152 153 @param ImageHandle A handle for the image that is initializing this driver 154 @param SystemTable A pointer to the EFI system table 155 156 @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 159 **/ 160 EFI_STATUS 161 EFIAPI 162 InstallAcpiSupport ( 163 IN EFI_HANDLE ImageHandle, 164 IN EFI_SYSTEM_TABLE *SystemTable 165 ); 166 #endif 167
