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434 | giacomo | 1 | /****************************************************************************** |
2 | * |
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3 | * Name: actbl.h - Table data structures defined in ACPI specification |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | /* |
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8 | * Copyright (C) 2000 - 2003, R. Byron Moore |
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9 | * All rights reserved. |
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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 | |||
48 | /* |
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49 | * Values for description table header signatures |
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50 | */ |
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51 | #define RSDP_NAME "RSDP" |
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52 | #define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */ |
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53 | #define APIC_SIG "APIC" /* Multiple APIC Description Table */ |
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54 | #define DSDT_SIG "DSDT" /* Differentiated System Description Table */ |
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55 | #define FADT_SIG "FACP" /* Fixed ACPI Description Table */ |
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56 | #define FACS_SIG "FACS" /* Firmware ACPI Control Structure */ |
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57 | #define PSDT_SIG "PSDT" /* Persistent System Description Table */ |
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58 | #define RSDT_SIG "RSDT" /* Root System Description Table */ |
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59 | #define XSDT_SIG "XSDT" /* Extended System Description Table */ |
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60 | #define SSDT_SIG "SSDT" /* Secondary System Description Table */ |
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61 | #define SBST_SIG "SBST" /* Smart Battery Specification Table */ |
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62 | #define SPIC_SIG "SPIC" /* IOSAPIC table */ |
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63 | #define BOOT_SIG "BOOT" /* Boot table */ |
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64 | |||
65 | |||
66 | #define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */ |
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67 | |||
68 | |||
69 | /* |
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70 | * Common table types. The base code can remain |
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71 | * constant if the underlying tables are changed |
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72 | */ |
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73 | #define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2 |
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74 | #define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2 |
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75 | #define FACS_DESCRIPTOR struct facs_descriptor_rev2 |
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76 | #define FADT_DESCRIPTOR struct fadt_descriptor_rev2 |
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77 | |||
78 | |||
79 | #pragma pack(1) |
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80 | |||
81 | /* |
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82 | * ACPI Version-independent tables |
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83 | * |
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84 | * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.) |
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85 | * are in separate files. |
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86 | */ |
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87 | struct rsdp_descriptor /* Root System Descriptor Pointer */ |
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88 | { |
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89 | char signature [8]; /* ACPI signature, contains "RSD PTR " */ |
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90 | u8 checksum; /* To make sum of struct == 0 */ |
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91 | char oem_id [6]; /* OEM identification */ |
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92 | u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */ |
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93 | u32 rsdt_physical_address; /* 32-bit physical address of RSDT */ |
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94 | u32 length; /* XSDT Length in bytes including hdr */ |
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95 | u64 xsdt_physical_address; /* 64-bit physical address of XSDT */ |
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96 | u8 extended_checksum; /* Checksum of entire table */ |
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97 | char reserved [3]; /* Reserved field must be 0 */ |
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98 | }; |
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99 | |||
100 | |||
101 | struct acpi_common_facs /* Common FACS for internal use */ |
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102 | { |
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103 | u32 *global_lock; |
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104 | u64 *firmware_waking_vector; |
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105 | u8 vector_width; |
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106 | }; |
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107 | |||
108 | |||
109 | #define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \ |
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110 | char signature [4]; /* ACPI signature (4 ASCII characters) */\ |
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111 | u32 length; /* Length of table, in bytes, including header */\ |
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112 | u8 revision; /* ACPI Specification minor version # */\ |
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113 | u8 checksum; /* To make sum of entire table == 0 */\ |
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114 | char oem_id [6]; /* OEM identification */\ |
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115 | char oem_table_id [8]; /* OEM table identification */\ |
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116 | u32 oem_revision; /* OEM revision number */\ |
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117 | char asl_compiler_id [4]; /* ASL compiler vendor ID */\ |
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118 | u32 asl_compiler_revision; /* ASL compiler revision number */ |
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119 | |||
120 | |||
121 | struct acpi_table_header /* ACPI common table header */ |
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122 | { |
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123 | ACPI_TABLE_HEADER_DEF |
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124 | }; |
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125 | |||
126 | |||
127 | /* |
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128 | * MADT values and structures |
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129 | */ |
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130 | |||
131 | /* Values for MADT PCATCompat */ |
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132 | |||
133 | #define DUAL_PIC 0 |
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134 | #define MULTIPLE_APIC 1 |
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135 | |||
136 | |||
137 | /* Master MADT */ |
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138 | |||
139 | struct multiple_apic_table |
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140 | { |
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141 | ACPI_TABLE_HEADER_DEF /* ACPI common table header */ |
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142 | u32 local_apic_address; /* Physical address of local APIC */ |
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143 | u32 PCATcompat : 1; /* A one indicates system also has dual 8259s */ |
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144 | u32 reserved1 : 31; |
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145 | }; |
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146 | |||
147 | |||
148 | /* Values for Type in APIC_HEADER_DEF */ |
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149 | |||
150 | #define APIC_PROCESSOR 0 |
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151 | #define APIC_IO 1 |
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152 | #define APIC_XRUPT_OVERRIDE 2 |
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153 | #define APIC_NMI 3 |
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154 | #define APIC_LOCAL_NMI 4 |
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155 | #define APIC_ADDRESS_OVERRIDE 5 |
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156 | #define APIC_IO_SAPIC 6 |
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157 | #define APIC_LOCAL_SAPIC 7 |
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158 | #define APIC_XRUPT_SOURCE 8 |
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159 | #define APIC_RESERVED 9 /* 9 and greater are reserved */ |
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160 | |||
161 | /* |
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162 | * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) |
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163 | */ |
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164 | #define APIC_HEADER_DEF /* Common APIC sub-structure header */\ |
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165 | u8 type; \ |
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166 | u8 length; |
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167 | |||
168 | /* Values for MPS INTI flags */ |
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169 | |||
170 | #define POLARITY_CONFORMS 0 |
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171 | #define POLARITY_ACTIVE_HIGH 1 |
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172 | #define POLARITY_RESERVED 2 |
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173 | #define POLARITY_ACTIVE_LOW 3 |
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174 | |||
175 | #define TRIGGER_CONFORMS 0 |
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176 | #define TRIGGER_EDGE 1 |
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177 | #define TRIGGER_RESERVED 2 |
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178 | #define TRIGGER_LEVEL 3 |
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179 | |||
180 | /* Common flag definitions */ |
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181 | |||
182 | #define MPS_INTI_FLAGS \ |
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183 | u16 polarity : 2; /* Polarity of APIC I/O input signals */\ |
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184 | u16 trigger_mode : 2; /* Trigger mode of APIC input signals */\ |
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185 | u16 reserved1 : 12; /* Reserved, must be zero */ |
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186 | |||
187 | #define LOCAL_APIC_FLAGS \ |
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188 | u32 processor_enabled: 1; /* Processor is usable if set */\ |
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189 | u32 reserved2 : 31; /* Reserved, must be zero */ |
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190 | |||
191 | /* Sub-structures for MADT */ |
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192 | |||
193 | struct madt_processor_apic |
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194 | { |
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195 | APIC_HEADER_DEF |
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196 | u8 processor_id; /* ACPI processor id */ |
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197 | u8 local_apic_id; /* Processor's local APIC id */ |
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198 | LOCAL_APIC_FLAGS |
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199 | }; |
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200 | |||
201 | struct madt_io_apic |
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202 | { |
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203 | APIC_HEADER_DEF |
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204 | u8 io_apic_id; /* I/O APIC ID */ |
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205 | u8 reserved; /* Reserved - must be zero */ |
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206 | u32 address; /* APIC physical address */ |
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207 | u32 interrupt; /* Global system interrupt where INTI |
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208 | * lines start */ |
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209 | }; |
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210 | |||
211 | struct madt_interrupt_override |
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212 | { |
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213 | APIC_HEADER_DEF |
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214 | u8 bus; /* 0 - ISA */ |
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215 | u8 source; /* Interrupt source (IRQ) */ |
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216 | u32 interrupt; /* Global system interrupt */ |
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217 | MPS_INTI_FLAGS |
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218 | }; |
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219 | |||
220 | struct madt_nmi_source |
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221 | { |
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222 | APIC_HEADER_DEF |
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223 | MPS_INTI_FLAGS |
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224 | u32 interrupt; /* Global system interrupt */ |
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225 | }; |
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226 | |||
227 | struct madt_local_apic_nmi |
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228 | { |
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229 | APIC_HEADER_DEF |
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230 | u8 processor_id; /* ACPI processor id */ |
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231 | MPS_INTI_FLAGS |
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232 | u8 lint; /* LINTn to which NMI is connected */ |
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233 | }; |
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234 | |||
235 | struct madt_address_override |
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236 | { |
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237 | APIC_HEADER_DEF |
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238 | u16 reserved; /* Reserved - must be zero */ |
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239 | u32 address; /* APIC physical address */ |
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240 | }; |
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241 | |||
242 | struct madt_io_sapic |
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243 | { |
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244 | APIC_HEADER_DEF |
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245 | u8 io_sapic_id; /* I/O SAPIC ID */ |
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246 | u8 reserved; /* Reserved - must be zero */ |
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247 | u32 interrupt_base; /* Glocal interrupt for SAPIC start */ |
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248 | u64 address; /* SAPIC physical address */ |
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249 | }; |
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250 | |||
251 | struct madt_local_sapic |
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252 | { |
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253 | APIC_HEADER_DEF |
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254 | u8 processor_id; /* ACPI processor id */ |
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255 | u8 local_sapic_id; /* SAPIC ID */ |
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256 | u8 local_sapic_eid; /* SAPIC EID */ |
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257 | u8 reserved [3]; /* Reserved - must be zero */ |
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258 | LOCAL_APIC_FLAGS |
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259 | }; |
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260 | |||
261 | struct madt_interrupt_source |
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262 | { |
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263 | APIC_HEADER_DEF |
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264 | MPS_INTI_FLAGS |
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265 | u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */ |
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266 | u8 processor_id; /* Processor ID */ |
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267 | u8 processor_eid; /* Processor EID */ |
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268 | u8 io_sapic_vector; /* Vector value for PMI interrupts */ |
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269 | u32 interrupt; /* Global system interrupt */ |
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270 | u32 reserved; /* Reserved - must be zero */ |
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271 | }; |
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272 | |||
273 | |||
274 | /* |
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275 | * Smart Battery |
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276 | */ |
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277 | struct smart_battery_table |
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278 | { |
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279 | ACPI_TABLE_HEADER_DEF |
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280 | u32 warning_level; |
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281 | u32 low_level; |
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282 | u32 critical_level; |
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283 | }; |
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284 | |||
285 | |||
286 | /* |
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287 | * High performance timer |
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288 | */ |
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289 | struct hpet_table |
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290 | { |
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291 | ACPI_TABLE_HEADER_DEF |
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292 | u32 hardware_id; |
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293 | u32 base_address [3]; |
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294 | u8 hpet_number; |
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295 | u16 clock_tick; |
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296 | u8 attributes; |
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297 | }; |
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298 | |||
299 | #pragma pack() |
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300 | |||
301 | |||
302 | /* |
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303 | * ACPI Table information. We save the table address, length, |
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304 | * and type of memory allocation (mapped or allocated) for each |
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305 | * table for 1) when we exit, and 2) if a new table is installed |
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306 | */ |
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307 | #define ACPI_MEM_NOT_ALLOCATED 0 |
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308 | #define ACPI_MEM_ALLOCATED 1 |
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309 | #define ACPI_MEM_MAPPED 2 |
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310 | |||
311 | /* Definitions for the Flags bitfield member of struct acpi_table_support */ |
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312 | |||
313 | #define ACPI_TABLE_SINGLE 0x00 |
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314 | #define ACPI_TABLE_MULTIPLE 0x01 |
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315 | #define ACPI_TABLE_EXECUTABLE 0x02 |
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316 | |||
317 | #define ACPI_TABLE_ROOT 0x00 |
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318 | #define ACPI_TABLE_PRIMARY 0x10 |
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319 | #define ACPI_TABLE_SECONDARY 0x20 |
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320 | #define ACPI_TABLE_ALL 0x30 |
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321 | #define ACPI_TABLE_TYPE_MASK 0x30 |
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322 | |||
323 | /* Data about each known table type */ |
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324 | |||
325 | struct acpi_table_support |
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326 | { |
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327 | char *name; |
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328 | char *signature; |
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329 | void **global_ptr; |
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330 | u8 sig_length; |
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331 | u8 flags; |
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332 | }; |
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333 | |||
334 | |||
335 | /* |
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336 | * Get the ACPI version-specific tables |
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337 | */ |
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338 | #include "actbl1.h" /* Acpi 1.0 table definitions */ |
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339 | #include "actbl2.h" /* Acpi 2.0 table definitions */ |
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340 | |||
341 | |||
342 | #endif /* __ACTBL_H__ */ |