drivers/acpi/include/acstruct.h

   1 /******************************************************************************
   2  *
   3  * Name: acstruct.h - Internal structs
   4  *
   5  *****************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
  12  * All rights reserved.
  13  *
  14  * 2. License
  15  *
  16  * 2.1. This is your license from Intel Corp. under its intellectual property
  17  * rights.  You may have additional license terms from the party that provided
  18  * you this software, covering your right to use that party's intellectual
  19  * property rights.
  20  *
  21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22  * copy of the source code appearing in this file ("Covered Code") an
  23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25  * make derivatives, distribute, use and display any portion of the Covered
  26  * Code in any form, with the right to sublicense such rights; and
  27  *
  28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29  * license (with the right to sublicense), under only those claims of Intel
  30  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31  * offer to sell, and import the Covered Code and derivative works thereof
  32  * solely to the minimum extent necessary to exercise the above copyright
  33  * license, and in no event shall the patent license extend to any additions
  34  * to or modifications of the Original Intel Code.  No other license or right
  35  * is granted directly or by implication, estoppel or otherwise;
  36  *
  37  * The above copyright and patent license is granted only if the following
  38  * conditions are met:
  39  *
  40  * 3. Conditions
  41  *
  42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43  * Redistribution of source code of any substantial portion of the Covered
  44  * Code or modification with rights to further distribute source must include
  45  * the above Copyright Notice, the above License, this list of Conditions,
  46  * and the following Disclaimer and Export Compliance provision.  In addition,
  47  * Licensee must cause all Covered Code to which Licensee contributes to
  48  * contain a file documenting the changes Licensee made to create that Covered
  49  * Code and the date of any change.  Licensee must include in that file the
  50  * documentation of any changes made by any predecessor Licensee.  Licensee
  51  * must include a prominent statement that the modification is derived,
  52  * directly or indirectly, from Original Intel Code.
  53  *
  54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55  * Redistribution of source code of any substantial portion of the Covered
  56  * Code or modification without rights to further distribute source must
  57  * include the following Disclaimer and Export Compliance provision in the
  58  * documentation and/or other materials provided with distribution.  In
  59  * addition, Licensee may not authorize further sublicense of source of any
  60  * portion of the Covered Code, and must include terms to the effect that the
  61  * license from Licensee to its licensee is limited to the intellectual
  62  * property embodied in the software Licensee provides to its licensee, and
  63  * not to intellectual property embodied in modifications its licensee may
  64  * make.
  65  *
  66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67  * substantial portion of the Covered Code or modification must reproduce the
  68  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69  * provision in the documentation and/or other materials provided with the
  70  * distribution.
  71  *
  72  * 3.4. Intel retains all right, title, and interest in and to the Original
  73  * Intel Code.
  74  *
  75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77  * other dealings in products derived from or relating to the Covered Code
  78  * without prior written authorization from Intel.
  79  *
  80  * 4. Disclaimer and Export Compliance
  81  *
  82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88  * PARTICULAR PURPOSE.
  89  *
  90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97  * LIMITED REMEDY.
  98  *
  99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 100  * software or system incorporating such software without first obtaining any
 101  * required license or other approval from the U. S. Department of Commerce or
 102  * any other agency or department of the United States Government.  In the
 103  * event Licensee exports any such software from the United States or
 104  * re-exports any such software from a foreign destination, Licensee shall
 105  * ensure that the distribution and export/re-export of the software is in
 106  * compliance with all laws, regulations, orders, or other restrictions of the
 107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 108  * any of its subsidiaries will export/re-export any technical data, process,
 109  * software, or service, directly or indirectly, to any country for which the
 110  * United States government or any agency thereof requires an export license,
 111  * other governmental approval, or letter of assurance, without first obtaining
 112  * such license, approval or letter.
 113  *
 114  *****************************************************************************/
 115
 116 #ifndef __ACSTRUCT_H__
 117 #define __ACSTRUCT_H__
 118
 119 /* acpisrc:StructDefs -- for acpisrc conversion */
 120
 121 /*****************************************************************************
 122  *
 123  * Tree walking typedefs and structs
 124  *
 125  ****************************************************************************/
 126
 127
 128 /*
 129  * Walk state - current state of a parse tree walk.  Used for both a leisurely
 130  * stroll through the tree (for whatever reason), and for control method
 131  * execution.
 132  */
 133 #define ACPI_NEXT_OP_DOWNWARD       1
 134 #define ACPI_NEXT_OP_UPWARD         2
 135
 136 /*
 137  * Groups of definitions for WalkType used for different implementations of
 138  * walkers (never simultaneously) - flags for interpreter:
 139  */
 140 #define ACPI_WALK_NON_METHOD        0
 141 #define ACPI_WALK_METHOD            0x01
 142 #define ACPI_WALK_METHOD_RESTART    0x02
 143
 144 /* Flags for iASL compiler only */
 145
 146 #define ACPI_WALK_CONST_REQUIRED    0x10
 147 #define ACPI_WALK_CONST_OPTIONAL    0x20
 148
 149
 150 typedef struct acpi_walk_state
 151 {
 152     struct acpi_walk_state          *Next;              /* Next WalkState in list */
 153     UINT8                           DescriptorType;     /* To differentiate various internal objs */
 154     UINT8                           WalkType;
 155     UINT16                          Opcode;             /* Current AML opcode */
 156     UINT8                           NextOpInfo;         /* Info about NextOp */
 157     UINT8                           NumOperands;        /* Stack pointer for Operands[] array */
 158     UINT8                           OperandIndex;       /* Index into operand stack, to be used by AcpiDsObjStackPush */
 159     ACPI_OWNER_ID                   OwnerId;            /* Owner of objects created during the walk */
 160     BOOLEAN                         LastPredicate;      /* Result of last predicate */
 161     UINT8                           CurrentResult;
 162     UINT8                           ReturnUsed;
 163     UINT8                           ScopeDepth;
 164     UINT8                           PassNumber;         /* Parse pass during table load */
 165     UINT8                           ResultSize;         /* Total elements for the result stack */
 166     UINT8                           ResultCount;        /* Current number of occupied elements of result stack */
 167     UINT32                          AmlOffset;
 168     UINT32                          ArgTypes;
 169     UINT32                          MethodBreakpoint;   /* For single stepping */
 170     UINT32                          UserBreakpoint;     /* User AML breakpoint */
 171     UINT32                          ParseFlags;
 172
 173     ACPI_PARSE_STATE                ParserState;        /* Current state of parser */
 174     UINT32                          PrevArgTypes;
 175     UINT32                          ArgCount;           /* push for fixed or var args */
 176
 177     struct acpi_namespace_node      Arguments[ACPI_METHOD_NUM_ARGS];        /* Control method arguments */
 178     struct acpi_namespace_node      LocalVariables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
 179     union acpi_operand_object       *Operands[ACPI_OBJ_NUM_OPERANDS + 1];   /* Operands passed to the interpreter (+1 for NULL terminator) */
 180     union acpi_operand_object       **Params;
 181
 182     UINT8                           *AmlLastWhile;
 183     union acpi_operand_object       **CallerReturnDesc;
 184     ACPI_GENERIC_STATE              *ControlState;      /* List of control states (nested IFs) */
 185     struct acpi_namespace_node      *DeferredNode;      /* Used when executing deferred opcodes */
 186     union acpi_operand_object       *ImplicitReturnObj;
 187     struct acpi_namespace_node      *MethodCallNode;    /* Called method Node*/
 188     ACPI_PARSE_OBJECT               *MethodCallOp;      /* MethodCall Op if running a method */
 189     union acpi_operand_object       *MethodDesc;        /* Method descriptor if running a method */
 190     struct acpi_namespace_node      *MethodNode;        /* Method node if running a method. */
 191     ACPI_PARSE_OBJECT               *Op;                /* Current parser op */
 192     const ACPI_OPCODE_INFO          *OpInfo;            /* Info on current opcode */
 193     ACPI_PARSE_OBJECT               *Origin;            /* Start of walk [Obsolete] */
 194     union acpi_operand_object       *ResultObj;
 195     ACPI_GENERIC_STATE              *Results;           /* Stack of accumulated results */
 196     union acpi_operand_object       *ReturnDesc;        /* Return object, if any */
 197     ACPI_GENERIC_STATE              *ScopeInfo;         /* Stack of nested scopes */
 198     ACPI_PARSE_OBJECT               *PrevOp;            /* Last op that was processed */
 199     ACPI_PARSE_OBJECT               *NextOp;            /* next op to be processed */
 200     ACPI_THREAD_STATE               *Thread;
 201     ACPI_PARSE_DOWNWARDS            DescendingCallback;
 202     ACPI_PARSE_UPWARDS              AscendingCallback;
 203
 204 } ACPI_WALK_STATE;
 205
 206
 207 /* Info used by AcpiNsInitializeObjects and AcpiDsInitializeObjects */
 208
 209 typedef struct acpi_init_walk_info
 210 {
 211     UINT32                          TableIndex;
 212     UINT32                          ObjectCount;
 213     UINT32                          MethodCount;
 214     UINT32                          DeviceCount;
 215     UINT32                          OpRegionCount;
 216     UINT32                          FieldCount;
 217     UINT32                          BufferCount;
 218     UINT32                          PackageCount;
 219     UINT32                          OpRegionInit;
 220     UINT32                          FieldInit;
 221     UINT32                          BufferInit;
 222     UINT32                          PackageInit;
 223     ACPI_OWNER_ID                   OwnerId;
 224
 225 } ACPI_INIT_WALK_INFO;
 226
 227
 228 typedef struct acpi_get_devices_info
 229 {
 230     ACPI_WALK_CALLBACK              UserFunction;
 231     void                            *Context;
 232     char                            *Hid;
 233
 234 } ACPI_GET_DEVICES_INFO;
 235
 236
 237 typedef union acpi_aml_operands
 238 {
 239     ACPI_OPERAND_OBJECT             *Operands[7];
 240
 241     struct
 242     {
 243         ACPI_OBJECT_INTEGER             *Type;
 244         ACPI_OBJECT_INTEGER             *Code;
 245         ACPI_OBJECT_INTEGER             *Argument;
 246
 247     } Fatal;
 248
 249     struct
 250     {
 251         ACPI_OPERAND_OBJECT             *Source;
 252         ACPI_OBJECT_INTEGER             *Index;
 253         ACPI_OPERAND_OBJECT             *Target;
 254
 255     } Index;
 256
 257     struct
 258     {
 259         ACPI_OPERAND_OBJECT             *Source;
 260         ACPI_OBJECT_INTEGER             *Index;
 261         ACPI_OBJECT_INTEGER             *Length;
 262         ACPI_OPERAND_OBJECT             *Target;
 263
 264     } Mid;
 265
 266 } ACPI_AML_OPERANDS;
 267
 268
 269 /*
 270  * Structure used to pass object evaluation parameters.
 271  * Purpose is to reduce CPU stack use.
 272  */
 273 typedef struct acpi_evaluate_info
 274 {
 275     ACPI_NAMESPACE_NODE             *PrefixNode;
 276     char                            *Pathname;
 277     ACPI_OPERAND_OBJECT             *ObjDesc;
 278     ACPI_OPERAND_OBJECT             **Parameters;
 279     ACPI_NAMESPACE_NODE             *ResolvedNode;
 280     ACPI_OPERAND_OBJECT             *ReturnObject;
 281     UINT8                           ParamCount;
 282     UINT8                           PassNumber;
 283     UINT8                           ReturnObjectType;
 284     UINT8                           Flags;
 285
 286 } ACPI_EVALUATE_INFO;
 287
 288 /* Values for Flags above */
 289
 290 #define ACPI_IGNORE_RETURN_VALUE        1
 291
 292
 293 /* Info used by AcpiNsInitializeDevices */
 294
 295 typedef struct acpi_device_walk_info
 296 {
 297     ACPI_TABLE_DESC                 *TableDesc;
 298     ACPI_EVALUATE_INFO              *EvaluateInfo;
 299     UINT32                          DeviceCount;
 300     UINT32                          Num_STA;
 301     UINT32                          Num_INI;
 302
 303 } ACPI_DEVICE_WALK_INFO;
 304
 305
 306 /* TBD: [Restructure] Merge with struct above */
 307
 308 typedef struct acpi_walk_info
 309 {
 310     UINT32                          DebugLevel;
 311     UINT32                          Count;
 312     ACPI_OWNER_ID                   OwnerId;
 313     UINT8                           DisplayType;
 314
 315 } ACPI_WALK_INFO;
 316
 317 /* Display Types */
 318
 319 #define ACPI_DISPLAY_SUMMARY        (UINT8) 0
 320 #define ACPI_DISPLAY_OBJECTS        (UINT8) 1
 321 #define ACPI_DISPLAY_MASK           (UINT8) 1
 322
 323 #define ACPI_DISPLAY_SHORT          (UINT8) 2
 324
 325
 326 #endif