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434 | giacomo | 1 | /****************************************************************************** |
2 | * |
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3 | * Name: acstruct.h - Internal structs |
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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 __ACSTRUCT_H__ |
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45 | #define __ACSTRUCT_H__ |
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46 | |||
47 | |||
48 | /***************************************************************************** |
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49 | * |
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50 | * Tree walking typedefs and structs |
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51 | * |
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52 | ****************************************************************************/ |
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53 | |||
54 | |||
55 | /* |
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56 | * Walk state - current state of a parse tree walk. Used for both a leisurely stroll through |
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57 | * the tree (for whatever reason), and for control method execution. |
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58 | */ |
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59 | |||
60 | #define ACPI_NEXT_OP_DOWNWARD 1 |
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61 | #define ACPI_NEXT_OP_UPWARD 2 |
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62 | |||
63 | #define ACPI_WALK_NON_METHOD 0 |
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64 | #define ACPI_WALK_METHOD 1 |
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65 | #define ACPI_WALK_METHOD_RESTART 2 |
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66 | #define ACPI_WALK_CONST_REQUIRED 3 |
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67 | #define ACPI_WALK_CONST_OPTIONAL 4 |
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68 | |||
69 | struct acpi_walk_state |
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70 | { |
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71 | u8 data_type; /* To differentiate various internal objs MUST BE FIRST!*/\ |
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72 | acpi_owner_id owner_id; /* Owner of objects created during the walk */ |
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73 | u8 last_predicate; /* Result of last predicate */ |
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74 | u8 current_result; /* */ |
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75 | u8 next_op_info; /* Info about next_op */ |
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76 | u8 num_operands; /* Stack pointer for Operands[] array */ |
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77 | u8 return_used; |
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78 | u8 walk_type; |
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79 | u16 opcode; /* Current AML opcode */ |
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80 | u8 scope_depth; |
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81 | u8 reserved1; |
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82 | u32 arg_count; /* push for fixed or var args */ |
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83 | u32 aml_offset; |
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84 | u32 arg_types; |
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85 | u32 method_breakpoint; /* For single stepping */ |
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86 | u32 user_breakpoint; /* User AML breakpoint */ |
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87 | u32 parse_flags; |
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88 | u32 prev_arg_types; |
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89 | |||
90 | u8 *aml_last_while; |
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91 | struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ |
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92 | union acpi_operand_object **caller_return_desc; |
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93 | union acpi_generic_state *control_state; /* List of control states (nested IFs) */ |
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94 | struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */ |
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95 | struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ |
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96 | struct acpi_namespace_node *method_call_node; /* Called method Node*/ |
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97 | union acpi_parse_object *method_call_op; /* method_call Op if running a method */ |
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98 | union acpi_operand_object *method_desc; /* Method descriptor if running a method */ |
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99 | struct acpi_namespace_node *method_node; /* Method node if running a method. */ |
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100 | union acpi_parse_object *op; /* Current parser op */ |
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101 | union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ |
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102 | const struct acpi_opcode_info *op_info; /* Info on current opcode */ |
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103 | union acpi_parse_object *origin; /* Start of walk [Obsolete] */ |
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104 | union acpi_operand_object **params; |
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105 | struct acpi_parse_state parser_state; /* Current state of parser */ |
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106 | union acpi_operand_object *result_obj; |
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107 | union acpi_generic_state *results; /* Stack of accumulated results */ |
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108 | union acpi_operand_object *return_desc; /* Return object, if any */ |
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109 | union acpi_generic_state *scope_info; /* Stack of nested scopes */ |
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110 | |||
111 | union acpi_parse_object *prev_op; /* Last op that was processed */ |
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112 | union acpi_parse_object *next_op; /* next op to be processed */ |
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113 | acpi_parse_downwards descending_callback; |
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114 | acpi_parse_upwards ascending_callback; |
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115 | struct acpi_thread_state *thread; |
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116 | struct acpi_walk_state *next; /* Next walk_state in list */ |
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117 | }; |
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118 | |||
119 | |||
120 | /* Info used by acpi_ps_init_objects */ |
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121 | |||
122 | struct acpi_init_walk_info |
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123 | { |
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124 | u16 method_count; |
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125 | u16 device_count; |
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126 | u16 op_region_count; |
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127 | u16 field_count; |
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128 | u16 buffer_count; |
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129 | u16 package_count; |
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130 | u16 op_region_init; |
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131 | u16 field_init; |
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132 | u16 buffer_init; |
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133 | u16 package_init; |
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134 | u16 object_count; |
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135 | struct acpi_table_desc *table_desc; |
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136 | }; |
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137 | |||
138 | |||
139 | /* Info used by acpi_ns_initialize_devices */ |
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140 | |||
141 | struct acpi_device_walk_info |
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142 | { |
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143 | u16 device_count; |
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144 | u16 num_STA; |
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145 | u16 num_INI; |
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146 | struct acpi_table_desc *table_desc; |
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147 | }; |
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148 | |||
149 | |||
150 | /* TBD: [Restructure] Merge with struct above */ |
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151 | |||
152 | struct acpi_walk_info |
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153 | { |
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154 | u32 debug_level; |
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155 | u32 owner_id; |
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156 | u8 display_type; |
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157 | }; |
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158 | |||
159 | /* Display Types */ |
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160 | |||
161 | #define ACPI_DISPLAY_SUMMARY 0 |
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162 | #define ACPI_DISPLAY_OBJECTS 1 |
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163 | |||
164 | struct acpi_get_devices_info |
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165 | { |
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166 | acpi_walk_callback user_function; |
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167 | void *context; |
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168 | char *hid; |
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169 | }; |
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170 | |||
171 | |||
172 | union acpi_aml_operands |
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173 | { |
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174 | union acpi_operand_object *operands[7]; |
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175 | |||
176 | struct |
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177 | { |
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178 | struct acpi_object_integer *type; |
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179 | struct acpi_object_integer *code; |
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180 | struct acpi_object_integer *argument; |
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181 | |||
182 | } fatal; |
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183 | |||
184 | struct |
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185 | { |
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186 | union acpi_operand_object *source; |
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187 | struct acpi_object_integer *index; |
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188 | union acpi_operand_object *target; |
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189 | |||
190 | } index; |
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191 | |||
192 | struct |
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193 | { |
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194 | union acpi_operand_object *source; |
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195 | struct acpi_object_integer *index; |
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196 | struct acpi_object_integer *length; |
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197 | union acpi_operand_object *target; |
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198 | |||
199 | } mid; |
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200 | }; |
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201 | |||
202 | |||
203 | #endif |