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6588 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Name: actbl.h - Basic ACPI Table Definitions |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | /* |
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7143 | serge | 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
6588 | serge | 9 | * All rights reserved. |
10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions, and the following disclaimer, |
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16 | * without modification. |
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17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
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18 | * substantially similar to the "NO WARRANTY" disclaimer below |
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19 | * ("Disclaimer") and any redistribution must be conditioned upon |
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20 | * including a substantially similar Disclaimer requirement for further |
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21 | * binary redistribution. |
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22 | * 3. Neither the names of the above-listed copyright holders nor the names |
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23 | * of any contributors may be used to endorse or promote products derived |
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24 | * from this software without specific prior written permission. |
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25 | * |
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26 | * Alternatively, this software may be distributed under the terms of the |
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27 | * GNU General Public License ("GPL") version 2 as published by the Free |
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28 | * Software Foundation. |
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29 | * |
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30 | * NO WARRANTY |
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31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
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34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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41 | * POSSIBILITY OF SUCH DAMAGES. |
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42 | */ |
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43 | |||
44 | #ifndef __ACTBL_H__ |
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45 | #define __ACTBL_H__ |
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46 | |||
47 | /******************************************************************************* |
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48 | * |
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49 | * Fundamental ACPI tables |
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50 | * |
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51 | * This file contains definitions for the ACPI tables that are directly consumed |
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52 | * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related |
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53 | * device drivers and other OS support code. |
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54 | * |
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55 | * The RSDP and FACS do not use the common ACPI table header. All other ACPI |
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56 | * tables use the header. |
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57 | * |
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58 | ******************************************************************************/ |
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59 | |||
60 | /* |
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61 | * Values for description table header signatures for tables defined in this |
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62 | * file. Useful because they make it more difficult to inadvertently type in |
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63 | * the wrong signature. |
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64 | */ |
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65 | #define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */ |
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66 | #define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */ |
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67 | #define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */ |
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68 | #define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */ |
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69 | #define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */ |
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70 | #define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */ |
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71 | #define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */ |
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72 | #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */ |
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73 | #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */ |
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74 | #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ |
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75 | |||
76 | /* |
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77 | * All tables and structures must be byte-packed to match the ACPI |
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78 | * specification, since the tables are provided by the system BIOS |
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79 | */ |
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80 | #pragma pack(1) |
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81 | |||
82 | /* |
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83 | * Note: C bitfields are not used for this reason: |
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84 | * |
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85 | * "Bitfields are great and easy to read, but unfortunately the C language |
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86 | * does not specify the layout of bitfields in memory, which means they are |
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87 | * essentially useless for dealing with packed data in on-disk formats or |
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88 | * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, |
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89 | * this decision was a design error in C. Ritchie could have picked an order |
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90 | * and stuck with it." Norman Ramsey. |
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91 | * See http://stackoverflow.com/a/1053662/41661 |
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92 | */ |
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93 | |||
94 | /******************************************************************************* |
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95 | * |
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96 | * Master ACPI Table Header. This common header is used by all ACPI tables |
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97 | * except the RSDP and FACS. |
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98 | * |
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99 | ******************************************************************************/ |
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100 | |||
101 | struct acpi_table_header { |
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102 | char signature[ACPI_NAME_SIZE]; /* ASCII table signature */ |
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103 | u32 length; /* Length of table in bytes, including this header */ |
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104 | u8 revision; /* ACPI Specification minor version number */ |
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105 | u8 checksum; /* To make sum of entire table == 0 */ |
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106 | char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */ |
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107 | char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */ |
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108 | u32 oem_revision; /* OEM revision number */ |
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109 | char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */ |
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110 | u32 asl_compiler_revision; /* ASL compiler version */ |
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111 | }; |
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112 | |||
113 | /******************************************************************************* |
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114 | * |
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115 | * GAS - Generic Address Structure (ACPI 2.0+) |
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116 | * |
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117 | * Note: Since this structure is used in the ACPI tables, it is byte aligned. |
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118 | * If misaligned access is not supported by the hardware, accesses to the |
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119 | * 64-bit Address field must be performed with care. |
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120 | * |
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121 | ******************************************************************************/ |
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122 | |||
123 | struct acpi_generic_address { |
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124 | u8 space_id; /* Address space where struct or register exists */ |
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125 | u8 bit_width; /* Size in bits of given register */ |
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126 | u8 bit_offset; /* Bit offset within the register */ |
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127 | u8 access_width; /* Minimum Access size (ACPI 3.0) */ |
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128 | u64 address; /* 64-bit address of struct or register */ |
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129 | }; |
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130 | |||
131 | /******************************************************************************* |
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132 | * |
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133 | * RSDP - Root System Description Pointer (Signature is "RSD PTR ") |
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134 | * Version 2 |
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135 | * |
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136 | ******************************************************************************/ |
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137 | |||
138 | struct acpi_table_rsdp { |
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139 | char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
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140 | u8 checksum; /* ACPI 1.0 checksum */ |
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141 | char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */ |
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142 | u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */ |
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143 | u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */ |
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144 | u32 length; /* Table length in bytes, including header (ACPI 2.0+) */ |
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145 | u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */ |
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146 | u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */ |
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147 | u8 reserved[3]; /* Reserved, must be zero */ |
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148 | }; |
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149 | |||
150 | /* Standalone struct for the ACPI 1.0 RSDP */ |
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151 | |||
152 | struct acpi_rsdp_common { |
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153 | char signature[8]; |
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154 | u8 checksum; |
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155 | char oem_id[ACPI_OEM_ID_SIZE]; |
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156 | u8 revision; |
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157 | u32 rsdt_physical_address; |
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158 | }; |
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159 | |||
160 | /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */ |
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161 | |||
162 | struct acpi_rsdp_extension { |
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163 | u32 length; |
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164 | u64 xsdt_physical_address; |
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165 | u8 extended_checksum; |
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166 | u8 reserved[3]; |
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167 | }; |
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168 | |||
169 | /******************************************************************************* |
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170 | * |
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171 | * RSDT/XSDT - Root System Description Tables |
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172 | * Version 1 (both) |
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173 | * |
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174 | ******************************************************************************/ |
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175 | |||
176 | struct acpi_table_rsdt { |
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177 | struct acpi_table_header header; /* Common ACPI table header */ |
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178 | u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
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179 | }; |
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180 | |||
181 | struct acpi_table_xsdt { |
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182 | struct acpi_table_header header; /* Common ACPI table header */ |
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183 | u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
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184 | }; |
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185 | |||
186 | #define ACPI_RSDT_ENTRY_SIZE (sizeof (u32)) |
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187 | #define ACPI_XSDT_ENTRY_SIZE (sizeof (u64)) |
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188 | |||
189 | /******************************************************************************* |
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190 | * |
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191 | * FACS - Firmware ACPI Control Structure (FACS) |
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192 | * |
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193 | ******************************************************************************/ |
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194 | |||
195 | struct acpi_table_facs { |
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196 | char signature[4]; /* ASCII table signature */ |
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197 | u32 length; /* Length of structure, in bytes */ |
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198 | u32 hardware_signature; /* Hardware configuration signature */ |
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199 | u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */ |
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200 | u32 global_lock; /* Global Lock for shared hardware resources */ |
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201 | u32 flags; |
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202 | u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */ |
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203 | u8 version; /* Version of this table (ACPI 2.0+) */ |
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204 | u8 reserved[3]; /* Reserved, must be zero */ |
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205 | u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */ |
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206 | u8 reserved1[24]; /* Reserved, must be zero */ |
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207 | }; |
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208 | |||
209 | /* Masks for global_lock flag field above */ |
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210 | |||
211 | #define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */ |
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212 | #define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */ |
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213 | |||
214 | /* Masks for Flags field above */ |
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215 | |||
216 | #define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */ |
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217 | #define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */ |
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218 | |||
219 | /* Masks for ospm_flags field above */ |
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220 | |||
221 | #define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */ |
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222 | |||
223 | /******************************************************************************* |
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224 | * |
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225 | * FADT - Fixed ACPI Description Table (Signature "FACP") |
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226 | * Version 4 |
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227 | * |
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228 | ******************************************************************************/ |
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229 | |||
230 | /* Fields common to all versions of the FADT */ |
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231 | |||
232 | struct acpi_table_fadt { |
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233 | struct acpi_table_header header; /* Common ACPI table header */ |
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234 | u32 facs; /* 32-bit physical address of FACS */ |
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235 | u32 dsdt; /* 32-bit physical address of DSDT */ |
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236 | u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */ |
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237 | u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */ |
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238 | u16 sci_interrupt; /* System vector of SCI interrupt */ |
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239 | u32 smi_command; /* 32-bit Port address of SMI command port */ |
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240 | u8 acpi_enable; /* Value to write to SMI_CMD to enable ACPI */ |
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241 | u8 acpi_disable; /* Value to write to SMI_CMD to disable ACPI */ |
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242 | u8 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */ |
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243 | u8 pstate_control; /* Processor performance state control */ |
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244 | u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */ |
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245 | u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */ |
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246 | u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */ |
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247 | u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */ |
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248 | u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */ |
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249 | u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */ |
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250 | u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */ |
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251 | u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */ |
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252 | u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */ |
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253 | u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */ |
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254 | u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */ |
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255 | u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */ |
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256 | u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */ |
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257 | u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */ |
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258 | u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */ |
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259 | u8 cst_control; /* Support for the _CST object and C-States change notification */ |
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260 | u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */ |
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261 | u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */ |
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262 | u16 flush_size; /* Processor memory cache line width, in bytes */ |
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263 | u16 flush_stride; /* Number of flush strides that need to be read */ |
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264 | u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */ |
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265 | u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */ |
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266 | u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */ |
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267 | u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */ |
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268 | u8 century; /* Index to century in RTC CMOS RAM */ |
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269 | u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */ |
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270 | u8 reserved; /* Reserved, must be zero */ |
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271 | u32 flags; /* Miscellaneous flag bits (see below for individual flags) */ |
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272 | struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */ |
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273 | u8 reset_value; /* Value to write to the reset_register port to reset the system */ |
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274 | u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */ |
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275 | u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */ |
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276 | u64 Xfacs; /* 64-bit physical address of FACS */ |
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277 | u64 Xdsdt; /* 64-bit physical address of DSDT */ |
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278 | struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */ |
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279 | struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */ |
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280 | struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */ |
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281 | struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */ |
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282 | struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */ |
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283 | struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ |
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284 | struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ |
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285 | struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ |
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286 | struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */ |
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287 | struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */ |
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288 | u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */ |
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289 | }; |
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290 | |||
291 | /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */ |
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292 | |||
293 | #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */ |
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294 | #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */ |
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295 | #define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */ |
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296 | #define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */ |
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297 | #define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */ |
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298 | #define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */ |
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299 | |||
300 | #define FADT2_REVISION_ID 3 |
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301 | |||
302 | /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */ |
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303 | |||
304 | #define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */ |
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305 | #define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */ |
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306 | |||
307 | /* Masks for FADT flags */ |
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308 | |||
309 | #define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */ |
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310 | #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */ |
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311 | #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */ |
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312 | #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */ |
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313 | #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */ |
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314 | #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */ |
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315 | #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */ |
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316 | #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */ |
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317 | #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */ |
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318 | #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */ |
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319 | #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */ |
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320 | #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */ |
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321 | #define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */ |
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322 | #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */ |
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323 | #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ |
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324 | #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */ |
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325 | #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ |
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326 | #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */ |
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327 | #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */ |
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328 | #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */ |
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329 | #define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */ |
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330 | #define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */ |
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331 | |||
332 | /* Values for preferred_profile (Preferred Power Management Profiles) */ |
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333 | |||
334 | enum acpi_preferred_pm_profiles { |
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335 | PM_UNSPECIFIED = 0, |
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336 | PM_DESKTOP = 1, |
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337 | PM_MOBILE = 2, |
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338 | PM_WORKSTATION = 3, |
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339 | PM_ENTERPRISE_SERVER = 4, |
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340 | PM_SOHO_SERVER = 5, |
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341 | PM_APPLIANCE_PC = 6, |
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342 | PM_PERFORMANCE_SERVER = 7, |
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343 | PM_TABLET = 8 |
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344 | }; |
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345 | |||
346 | /* Values for sleep_status and sleep_control registers (V5+ FADT) */ |
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347 | |||
348 | #define ACPI_X_WAKE_STATUS 0x80 |
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349 | #define ACPI_X_SLEEP_TYPE_MASK 0x1C |
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350 | #define ACPI_X_SLEEP_TYPE_POSITION 0x02 |
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351 | #define ACPI_X_SLEEP_ENABLE 0x20 |
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352 | |||
353 | /* Reset to default packing */ |
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354 | |||
355 | #pragma pack() |
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356 | |||
357 | /* |
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358 | * Internal table-related structures |
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359 | */ |
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360 | union acpi_name_union { |
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361 | u32 integer; |
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362 | char ascii[4]; |
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363 | }; |
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364 | |||
365 | /* Internal ACPI Table Descriptor. One per ACPI table. */ |
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366 | |||
367 | struct acpi_table_desc { |
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368 | acpi_physical_address address; |
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369 | struct acpi_table_header *pointer; |
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370 | u32 length; /* Length fixed at 32 bits (fixed in table header) */ |
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371 | union acpi_name_union signature; |
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372 | acpi_owner_id owner_id; |
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373 | u8 flags; |
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374 | }; |
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375 | |||
376 | /* Masks for Flags field above */ |
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377 | |||
378 | #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */ |
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379 | #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */ |
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380 | #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */ |
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381 | #define ACPI_TABLE_ORIGIN_MASK (3) |
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382 | #define ACPI_TABLE_IS_LOADED (8) |
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383 | |||
384 | /* |
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385 | * Get the remaining ACPI tables |
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386 | */ |
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387 | #include |
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388 | #include |
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389 | #include |
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390 | |||
391 | /* Macros used to generate offsets to specific table fields */ |
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392 | |||
393 | #define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f) |
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394 | |||
395 | /* |
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396 | * Sizes of the various flavors of FADT. We need to look closely |
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397 | * at the FADT length because the version number essentially tells |
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398 | * us nothing because of many BIOS bugs where the version does not |
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399 | * match the expected length. In other words, the length of the |
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400 | * FADT is the bottom line as to what the version really is. |
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401 | * |
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402 | * For reference, the values below are as follows: |
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403 | * FADT V1 size: 0x074 |
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404 | * FADT V2 size: 0x084 |
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405 | * FADT V3 size: 0x0F4 |
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406 | * FADT V4 size: 0x0F4 |
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407 | * FADT V5 size: 0x10C |
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408 | * FADT V6 size: 0x114 |
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409 | */ |
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410 | #define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4) |
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411 | #define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1) |
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412 | #define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control)) |
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413 | #define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id)) |
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414 | #define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt)) |
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415 | |||
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