acstruct.h revision 217365 
1/******************************************************************************
2 *
3 * Name: acstruct.h - Internal structs
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, 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/* Flags for iASL compiler only */
73
74#define ACPI_WALK_CONST_REQUIRED    0x10
75#define ACPI_WALK_CONST_OPTIONAL    0x20
76
77
78typedef struct acpi_walk_state
79{
80    struct acpi_walk_state          *Next;              /* Next WalkState in list */
81    UINT8                           DescriptorType;     /* To differentiate various internal objs */
82    UINT8                           WalkType;
83    UINT16                          Opcode;             /* Current AML opcode */
84    UINT8                           NextOpInfo;         /* Info about NextOp */
85    UINT8                           NumOperands;        /* Stack pointer for Operands[] array */
86    UINT8                           OperandIndex;       /* Index into operand stack, to be used by AcpiDsObjStackPush */
87    ACPI_OWNER_ID                   OwnerId;            /* Owner of objects created during the walk */
88    BOOLEAN                         LastPredicate;      /* Result of last predicate */
89    UINT8                           CurrentResult;
90    UINT8                           ReturnUsed;
91    UINT8                           ScopeDepth;
92    UINT8                           PassNumber;         /* Parse pass during table load */
93    UINT8                           ResultSize;         /* Total elements for the result stack */
94    UINT8                           ResultCount;        /* Current number of occupied elements of result stack */
95    UINT32                          AmlOffset;
96    UINT32                          ArgTypes;
97    UINT32                          MethodBreakpoint;   /* For single stepping */
98    UINT32                          UserBreakpoint;     /* User AML breakpoint */
99    UINT32                          ParseFlags;
100
101    ACPI_PARSE_STATE                ParserState;        /* Current state of parser */
102    UINT32                          PrevArgTypes;
103    UINT32                          ArgCount;           /* push for fixed or var args */
104
105    struct acpi_namespace_node      Arguments[ACPI_METHOD_NUM_ARGS];        /* Control method arguments */
106    struct acpi_namespace_node      LocalVariables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
107    union acpi_operand_object       *Operands[ACPI_OBJ_NUM_OPERANDS + 1];   /* Operands passed to the interpreter (+1 for NULL terminator) */
108    union acpi_operand_object       **Params;
109
110    UINT8                           *AmlLastWhile;
111    union acpi_operand_object       **CallerReturnDesc;
112    ACPI_GENERIC_STATE              *ControlState;      /* List of control states (nested IFs) */
113    struct acpi_namespace_node      *DeferredNode;      /* Used when executing deferred opcodes */
114    union acpi_operand_object       *ImplicitReturnObj;
115    struct acpi_namespace_node      *MethodCallNode;    /* Called method Node*/
116    ACPI_PARSE_OBJECT               *MethodCallOp;      /* MethodCall Op if running a method */
117    union acpi_operand_object       *MethodDesc;        /* Method descriptor if running a method */
118    struct acpi_namespace_node      *MethodNode;        /* Method node if running a method. */
119    ACPI_PARSE_OBJECT               *Op;                /* Current parser op */
120    const ACPI_OPCODE_INFO          *OpInfo;            /* Info on current opcode */
121    ACPI_PARSE_OBJECT               *Origin;            /* Start of walk [Obsolete] */
122    union acpi_operand_object       *ResultObj;
123    ACPI_GENERIC_STATE              *Results;           /* Stack of accumulated results */
124    union acpi_operand_object       *ReturnDesc;        /* Return object, if any */
125    ACPI_GENERIC_STATE              *ScopeInfo;         /* Stack of nested scopes */
126    ACPI_PARSE_OBJECT               *PrevOp;            /* Last op that was processed */
127    ACPI_PARSE_OBJECT               *NextOp;            /* next op to be processed */
128    ACPI_THREAD_STATE               *Thread;
129    ACPI_PARSE_DOWNWARDS            DescendingCallback;
130    ACPI_PARSE_UPWARDS              AscendingCallback;
131
132} ACPI_WALK_STATE;
133
134
135/* Info used by AcpiNsInitializeObjects and AcpiDsInitializeObjects */
136
137typedef struct acpi_init_walk_info
138{
139    UINT32                          TableIndex;
140    UINT32                          ObjectCount;
141    UINT32                          MethodCount;
142    UINT32                          DeviceCount;
143    UINT32                          OpRegionCount;
144    UINT32                          FieldCount;
145    UINT32                          BufferCount;
146    UINT32                          PackageCount;
147    UINT32                          OpRegionInit;
148    UINT32                          FieldInit;
149    UINT32                          BufferInit;
150    UINT32                          PackageInit;
151    ACPI_OWNER_ID                   OwnerId;
152
153} ACPI_INIT_WALK_INFO;
154
155
156typedef struct acpi_get_devices_info
157{
158    ACPI_WALK_CALLBACK              UserFunction;
159    void                            *Context;
160    char                            *Hid;
161
162} ACPI_GET_DEVICES_INFO;
163
164
165typedef union acpi_aml_operands
166{
167    ACPI_OPERAND_OBJECT             *Operands[7];
168
169    struct
170    {
171        ACPI_OBJECT_INTEGER             *Type;
172        ACPI_OBJECT_INTEGER             *Code;
173        ACPI_OBJECT_INTEGER             *Argument;
174
175    } Fatal;
176
177    struct
178    {
179        ACPI_OPERAND_OBJECT             *Source;
180        ACPI_OBJECT_INTEGER             *Index;
181        ACPI_OPERAND_OBJECT             *Target;
182
183    } Index;
184
185    struct
186    {
187        ACPI_OPERAND_OBJECT             *Source;
188        ACPI_OBJECT_INTEGER             *Index;
189        ACPI_OBJECT_INTEGER             *Length;
190        ACPI_OPERAND_OBJECT             *Target;
191
192    } Mid;
193
194} ACPI_AML_OPERANDS;
195
196
197/*
198 * Structure used to pass object evaluation parameters.
199 * Purpose is to reduce CPU stack use.
200 */
201typedef struct acpi_evaluate_info
202{
203    ACPI_NAMESPACE_NODE             *PrefixNode;
204    char                            *Pathname;
205    ACPI_OPERAND_OBJECT             *ObjDesc;
206    ACPI_OPERAND_OBJECT             **Parameters;
207    ACPI_NAMESPACE_NODE             *ResolvedNode;
208    ACPI_OPERAND_OBJECT             *ReturnObject;
209    UINT8                           ParamCount;
210    UINT8                           PassNumber;
211    UINT8                           ReturnObjectType;
212    UINT8                           Flags;
213
214} ACPI_EVALUATE_INFO;
215
216/* Values for Flags above */
217
218#define ACPI_IGNORE_RETURN_VALUE        1
219
220
221/* Info used by AcpiNsInitializeDevices */
222
223typedef struct acpi_device_walk_info
224{
225    ACPI_TABLE_DESC                 *TableDesc;
226    ACPI_EVALUATE_INFO              *EvaluateInfo;
227    UINT32                          DeviceCount;
228    UINT32                          Num_STA;
229    UINT32                          Num_INI;
230
231} ACPI_DEVICE_WALK_INFO;
232
233
234/* TBD: [Restructure] Merge with struct above */
235
236typedef struct acpi_walk_info
237{
238    UINT32                          DebugLevel;
239    UINT32                          Count;
240    ACPI_OWNER_ID                   OwnerId;
241    UINT8                           DisplayType;
242
243} ACPI_WALK_INFO;
244
245/* Display Types */
246
247#define ACPI_DISPLAY_SUMMARY        (UINT8) 0
248#define ACPI_DISPLAY_OBJECTS        (UINT8) 1
249#define ACPI_DISPLAY_MASK           (UINT8) 1
250
251#define ACPI_DISPLAY_SHORT          (UINT8) 2
252
253
254#endif
255