1 /****************************************************************************** 2 * 3 * Name: acstruct.h - Internal structs 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2020, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #ifndef __ACSTRUCT_H__ 45 #define __ACSTRUCT_H__ 46 47 /* acpisrc:StructDefs -- for acpisrc conversion */ 48 49 /***************************************************************************** 50 * 51 * Tree walking typedefs and structs 52 * 53 ****************************************************************************/ 54 55 56 /* 57 * Walk state - current state of a parse tree walk. Used for both a leisurely 58 * stroll through the tree (for whatever reason), and for control method 59 * execution. 60 */ 61 #define ACPI_NEXT_OP_DOWNWARD 1 62 #define ACPI_NEXT_OP_UPWARD 2 63 64 /* 65 * Groups of definitions for WalkType used for different implementations of 66 * walkers (never simultaneously) - flags for interpreter: 67 */ 68 #define ACPI_WALK_NON_METHOD 0 69 #define ACPI_WALK_METHOD 0x01 70 #define ACPI_WALK_METHOD_RESTART 0x02 71 72 73 typedef struct acpi_walk_state 74 { 75 struct acpi_walk_state *Next; /* Next WalkState in list */ 76 UINT8 DescriptorType; /* To differentiate various internal objs */ 77 UINT8 WalkType; 78 UINT16 Opcode; /* Current AML opcode */ 79 UINT8 NextOpInfo; /* Info about NextOp */ 80 UINT8 NumOperands; /* Stack pointer for Operands[] array */ 81 UINT8 OperandIndex; /* Index into operand stack, to be used by AcpiDsObjStackPush */ 82 ACPI_OWNER_ID OwnerId; /* Owner of objects created during the walk */ 83 BOOLEAN LastPredicate; /* Result of last predicate */ 84 UINT8 CurrentResult; 85 UINT8 ReturnUsed; 86 UINT8 ScopeDepth; 87 UINT8 PassNumber; /* Parse pass during table load */ 88 BOOLEAN NamespaceOverride; /* Override existing objects */ 89 UINT8 ResultSize; /* Total elements for the result stack */ 90 UINT8 ResultCount; /* Current number of occupied elements of result stack */ 91 UINT8 *Aml; 92 UINT32 ArgTypes; 93 UINT32 MethodBreakpoint; /* For single stepping */ 94 UINT32 UserBreakpoint; /* User AML breakpoint */ 95 UINT32 ParseFlags; 96 97 ACPI_PARSE_STATE ParserState; /* Current state of parser */ 98 UINT32 PrevArgTypes; 99 UINT32 ArgCount; /* push for fixed or var args */ 100 UINT16 MethodNestingDepth; 101 UINT8 MethodIsNested; 102 103 struct acpi_namespace_node Arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ 104 struct acpi_namespace_node LocalVariables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ 105 union acpi_operand_object *Operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ 106 union acpi_operand_object **Params; 107 108 UINT8 *AmlLastWhile; 109 union acpi_operand_object **CallerReturnDesc; 110 ACPI_GENERIC_STATE *ControlState; /* List of control states (nested IFs) */ 111 struct acpi_namespace_node *DeferredNode; /* Used when executing deferred opcodes */ 112 union acpi_operand_object *ImplicitReturnObj; 113 struct acpi_namespace_node *MethodCallNode; /* Called method Node*/ 114 ACPI_PARSE_OBJECT *MethodCallOp; /* MethodCall Op if running a method */ 115 union acpi_operand_object *MethodDesc; /* Method descriptor if running a method */ 116 struct acpi_namespace_node *MethodNode; /* Method node if running a method */ 117 char *MethodPathname; /* Full pathname of running method */ 118 ACPI_PARSE_OBJECT *Op; /* Current parser op */ 119 const ACPI_OPCODE_INFO *OpInfo; /* Info on current opcode */ 120 ACPI_PARSE_OBJECT *Origin; /* Start of walk [Obsolete] */ 121 union acpi_operand_object *ResultObj; 122 ACPI_GENERIC_STATE *Results; /* Stack of accumulated results */ 123 union acpi_operand_object *ReturnDesc; /* Return object, if any */ 124 ACPI_GENERIC_STATE *ScopeInfo; /* Stack of nested scopes */ 125 ACPI_PARSE_OBJECT *PrevOp; /* Last op that was processed */ 126 ACPI_PARSE_OBJECT *NextOp; /* next op to be processed */ 127 ACPI_THREAD_STATE *Thread; 128 ACPI_PARSE_DOWNWARDS DescendingCallback; 129 ACPI_PARSE_UPWARDS AscendingCallback; 130 131 } ACPI_WALK_STATE; 132 133 134 /* Info used by AcpiNsInitializeObjects and AcpiDsInitializeObjects */ 135 136 typedef struct acpi_init_walk_info 137 { 138 UINT32 TableIndex; 139 UINT32 ObjectCount; 140 UINT32 MethodCount; 141 UINT32 SerialMethodCount; 142 UINT32 NonSerialMethodCount; 143 UINT32 SerializedMethodCount; 144 UINT32 DeviceCount; 145 UINT32 OpRegionCount; 146 UINT32 FieldCount; 147 UINT32 BufferCount; 148 UINT32 PackageCount; 149 UINT32 OpRegionInit; 150 UINT32 FieldInit; 151 UINT32 BufferInit; 152 UINT32 PackageInit; 153 ACPI_OWNER_ID OwnerId; 154 155 } ACPI_INIT_WALK_INFO; 156 157 158 typedef struct acpi_get_devices_info 159 { 160 ACPI_WALK_CALLBACK UserFunction; 161 void *Context; 162 char *Hid; 163 164 } ACPI_GET_DEVICES_INFO; 165 166 167 typedef union acpi_aml_operands 168 { 169 ACPI_OPERAND_OBJECT *Operands[7]; 170 171 struct 172 { 173 ACPI_OBJECT_INTEGER *Type; 174 ACPI_OBJECT_INTEGER *Code; 175 ACPI_OBJECT_INTEGER *Argument; 176 177 } Fatal; 178 179 struct 180 { 181 ACPI_OPERAND_OBJECT *Source; 182 ACPI_OBJECT_INTEGER *Index; 183 ACPI_OPERAND_OBJECT *Target; 184 185 } Index; 186 187 struct 188 { 189 ACPI_OPERAND_OBJECT *Source; 190 ACPI_OBJECT_INTEGER *Index; 191 ACPI_OBJECT_INTEGER *Length; 192 ACPI_OPERAND_OBJECT *Target; 193 194 } Mid; 195 196 } ACPI_AML_OPERANDS; 197 198 199 /* 200 * Structure used to pass object evaluation information and parameters. 201 * Purpose is to reduce CPU stack use. 202 */ 203 typedef struct acpi_evaluate_info 204 { 205 /* The first 3 elements are passed by the caller to AcpiNsEvaluate */ 206 207 ACPI_NAMESPACE_NODE *PrefixNode; /* Input: starting node */ 208 const char *RelativePathname; /* Input: path relative to PrefixNode */ 209 ACPI_OPERAND_OBJECT **Parameters; /* Input: argument list */ 210 211 ACPI_NAMESPACE_NODE *Node; /* Resolved node (PrefixNode:RelativePathname) */ 212 ACPI_OPERAND_OBJECT *ObjDesc; /* Object attached to the resolved node */ 213 char *FullPathname; /* Full pathname of the resolved node */ 214 215 const ACPI_PREDEFINED_INFO *Predefined; /* Used if Node is a predefined name */ 216 ACPI_OPERAND_OBJECT *ReturnObject; /* Object returned from the evaluation */ 217 union acpi_operand_object *ParentPackage; /* Used if return object is a Package */ 218 219 UINT32 ReturnFlags; /* Used for return value analysis */ 220 UINT32 ReturnBtype; /* Bitmapped type of the returned object */ 221 UINT16 ParamCount; /* Count of the input argument list */ 222 UINT16 NodeFlags; /* Same as Node->Flags */ 223 UINT8 PassNumber; /* Parser pass number */ 224 UINT8 ReturnObjectType; /* Object type of the returned object */ 225 UINT8 Flags; /* General flags */ 226 227 } ACPI_EVALUATE_INFO; 228 229 /* Values for Flags above */ 230 231 #define ACPI_IGNORE_RETURN_VALUE 1 232 233 /* Defines for ReturnFlags field above */ 234 235 #define ACPI_OBJECT_REPAIRED 1 236 #define ACPI_OBJECT_WRAPPED 2 237 238 239 /* Info used by AcpiNsInitializeDevices */ 240 241 typedef struct acpi_device_walk_info 242 { 243 ACPI_TABLE_DESC *TableDesc; 244 ACPI_EVALUATE_INFO *EvaluateInfo; 245 UINT32 DeviceCount; 246 UINT32 Num_STA; 247 UINT32 Num_INI; 248 249 } ACPI_DEVICE_WALK_INFO; 250 251 252 /* Info used by Acpi AcpiDbDisplayFields */ 253 254 typedef struct acpi_region_walk_info 255 { 256 UINT32 DebugLevel; 257 UINT32 Count; 258 ACPI_OWNER_ID OwnerId; 259 UINT8 DisplayType; 260 UINT32 AddressSpaceId; 261 262 } ACPI_REGION_WALK_INFO; 263 264 265 /* TBD: [Restructure] Merge with struct above */ 266 267 typedef struct acpi_walk_info 268 { 269 UINT32 DebugLevel; 270 UINT32 Count; 271 ACPI_OWNER_ID OwnerId; 272 UINT8 DisplayType; 273 274 } ACPI_WALK_INFO; 275 276 /* Display Types */ 277 278 #define ACPI_DISPLAY_SUMMARY (UINT8) 0 279 #define ACPI_DISPLAY_OBJECTS (UINT8) 1 280 #define ACPI_DISPLAY_MASK (UINT8) 1 281 282 #define ACPI_DISPLAY_SHORT (UINT8) 2 283 284 285 #endif 286