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1 | /****************************************************************************** |
2 | * | |
3 | * Name: acstruct.h - Internal structs | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2005, R. Byron Moore | |
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 | ||
48 | /***************************************************************************** | |
49 | * | |
50 | * Tree walking typedefs and structs | |
51 | * | |
52 | ****************************************************************************/ | |
53 | ||
54 | ||
55 | /* | |
56 | * Walk state - current state of a parse tree walk. Used for both a leisurely stroll through | |
57 | * the tree (for whatever reason), and for control method execution. | |
58 | */ | |
59 | ||
60 | #define ACPI_NEXT_OP_DOWNWARD 1 | |
61 | #define ACPI_NEXT_OP_UPWARD 2 | |
62 | ||
63 | #define ACPI_WALK_NON_METHOD 0 | |
64 | #define ACPI_WALK_METHOD 1 | |
65 | #define ACPI_WALK_METHOD_RESTART 2 | |
66 | #define ACPI_WALK_CONST_REQUIRED 3 | |
67 | #define ACPI_WALK_CONST_OPTIONAL 4 | |
68 | ||
69 | struct acpi_walk_state | |
70 | { | |
71 | u8 data_type; /* To differentiate various internal objs MUST BE FIRST!*/\ | |
72 | u8 walk_type; | |
73 | acpi_owner_id owner_id; /* Owner of objects created during the walk */ | |
74 | u8 last_predicate; /* Result of last predicate */ | |
75 | u8 reserved; /* For alignment */ | |
76 | u8 current_result; /* */ | |
77 | u8 next_op_info; /* Info about next_op */ | |
78 | u8 num_operands; /* Stack pointer for Operands[] array */ | |
79 | u8 return_used; | |
80 | u16 opcode; /* Current AML opcode */ | |
81 | u8 scope_depth; | |
82 | u8 reserved1; | |
83 | u32 arg_count; /* push for fixed or var args */ | |
84 | u32 aml_offset; | |
85 | u32 arg_types; | |
86 | u32 method_breakpoint; /* For single stepping */ | |
87 | u32 user_breakpoint; /* User AML breakpoint */ | |
88 | u32 parse_flags; | |
89 | u32 prev_arg_types; | |
90 | ||
91 | u8 *aml_last_while; | |
92 | struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ | |
93 | union acpi_operand_object **caller_return_desc; | |
94 | union acpi_generic_state *control_state; /* List of control states (nested IFs) */ | |
95 | struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */ | |
96 | struct acpi_gpe_event_info *gpe_event_info; /* Info for GPE (_Lxx/_Exx methods only */ | |
97 | union acpi_operand_object *implicit_return_obj; | |
98 | struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ | |
99 | struct acpi_namespace_node *method_call_node; /* Called method Node*/ | |
100 | union acpi_parse_object *method_call_op; /* method_call Op if running a method */ | |
101 | union acpi_operand_object *method_desc; /* Method descriptor if running a method */ | |
102 | struct acpi_namespace_node *method_node; /* Method node if running a method. */ | |
103 | union acpi_parse_object *op; /* Current parser op */ | |
104 | union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ | |
105 | const struct acpi_opcode_info *op_info; /* Info on current opcode */ | |
106 | union acpi_parse_object *origin; /* Start of walk [Obsolete] */ | |
107 | union acpi_operand_object **params; | |
108 | struct acpi_parse_state parser_state; /* Current state of parser */ | |
109 | union acpi_operand_object *result_obj; | |
110 | union acpi_generic_state *results; /* Stack of accumulated results */ | |
111 | union acpi_operand_object *return_desc; /* Return object, if any */ | |
112 | union acpi_generic_state *scope_info; /* Stack of nested scopes */ | |
113 | ||
114 | union acpi_parse_object *prev_op; /* Last op that was processed */ | |
115 | union acpi_parse_object *next_op; /* next op to be processed */ | |
116 | acpi_parse_downwards descending_callback; | |
117 | acpi_parse_upwards ascending_callback; | |
118 | struct acpi_thread_state *thread; | |
119 | struct acpi_walk_state *next; /* Next walk_state in list */ | |
120 | }; | |
121 | ||
122 | ||
123 | /* Info used by acpi_ps_init_objects */ | |
124 | ||
125 | struct acpi_init_walk_info | |
126 | { | |
127 | u16 method_count; | |
128 | u16 device_count; | |
129 | u16 op_region_count; | |
130 | u16 field_count; | |
131 | u16 buffer_count; | |
132 | u16 package_count; | |
133 | u16 op_region_init; | |
134 | u16 field_init; | |
135 | u16 buffer_init; | |
136 | u16 package_init; | |
137 | u16 object_count; | |
138 | struct acpi_table_desc *table_desc; | |
139 | }; | |
140 | ||
141 | ||
142 | /* Info used by acpi_ns_initialize_devices */ | |
143 | ||
144 | struct acpi_device_walk_info | |
145 | { | |
146 | u16 device_count; | |
147 | u16 num_STA; | |
148 | u16 num_INI; | |
149 | struct acpi_table_desc *table_desc; | |
150 | }; | |
151 | ||
152 | ||
153 | /* TBD: [Restructure] Merge with struct above */ | |
154 | ||
155 | struct acpi_walk_info | |
156 | { | |
157 | u32 debug_level; | |
158 | u32 owner_id; | |
159 | u8 display_type; | |
160 | }; | |
161 | ||
162 | /* Display Types */ | |
163 | ||
164 | #define ACPI_DISPLAY_SUMMARY 0 | |
165 | #define ACPI_DISPLAY_OBJECTS 1 | |
166 | ||
167 | struct acpi_get_devices_info | |
168 | { | |
169 | acpi_walk_callback user_function; | |
170 | void *context; | |
171 | char *hid; | |
172 | }; | |
173 | ||
174 | ||
175 | union acpi_aml_operands | |
176 | { | |
177 | union acpi_operand_object *operands[7]; | |
178 | ||
179 | struct | |
180 | { | |
181 | struct acpi_object_integer *type; | |
182 | struct acpi_object_integer *code; | |
183 | struct acpi_object_integer *argument; | |
184 | ||
185 | } fatal; | |
186 | ||
187 | struct | |
188 | { | |
189 | union acpi_operand_object *source; | |
190 | struct acpi_object_integer *index; | |
191 | union acpi_operand_object *target; | |
192 | ||
193 | } index; | |
194 | ||
195 | struct | |
196 | { | |
197 | union acpi_operand_object *source; | |
198 | struct acpi_object_integer *index; | |
199 | struct acpi_object_integer *length; | |
200 | union acpi_operand_object *target; | |
201 | ||
202 | } mid; | |
203 | }; | |
204 | ||
205 | ||
206 | /* Internal method parameter list */ | |
207 | ||
208 | struct acpi_parameter_info | |
209 | { | |
210 | struct acpi_namespace_node *node; | |
211 | union acpi_operand_object **parameters; | |
212 | union acpi_operand_object *return_object; | |
213 | u8 parameter_type; | |
214 | u8 return_object_type; | |
215 | }; | |
216 | ||
217 | /* Types for parameter_type above */ | |
218 | ||
219 | #define ACPI_PARAM_ARGS 0 | |
220 | #define ACPI_PARAM_GPE 1 | |
221 | ||
222 | ||
223 | #endif |