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
78 typedef 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
137 typedef 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
156 typedef 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
165 typedef 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 */
201 typedef 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
223 typedef 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
236 typedef 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