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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:struct_defs -- for acpisrc conversion */
48
49/*****************************************************************************
50 *
51 * Tree walking typedefs and structs
52 *
53 ****************************************************************************/
54
55/*
56 * Walk state - current state of a parse tree walk. Used for both a leisurely
57 * stroll through the tree (for whatever reason), and for control method
58 * execution.
59 */
60#define ACPI_NEXT_OP_DOWNWARD 1
61#define ACPI_NEXT_OP_UPWARD 2
62
63/*
64 * Groups of definitions for walk_type used for different implementations of
65 * walkers (never simultaneously) - flags for interpreter:
66 */
67#define ACPI_WALK_NON_METHOD 0
68#define ACPI_WALK_METHOD 0x01
69#define ACPI_WALK_METHOD_RESTART 0x02
70
71/* Flags for i_aSL compiler only */
72
73#define ACPI_WALK_CONST_REQUIRED 0x10
74#define ACPI_WALK_CONST_OPTIONAL 0x20
75
76struct acpi_walk_state {
77 struct acpi_walk_state *next; /* Next walk_state in list */
78 u8 descriptor_type; /* To differentiate various internal objs */
79 u8 walk_type;
80 u16 opcode; /* Current AML opcode */
81 u8 next_op_info; /* Info about next_op */
82 u8 num_operands; /* Stack pointer for Operands[] array */
83 u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */
84 acpi_owner_id owner_id; /* Owner of objects created during the walk */
85 u8 last_predicate; /* Result of last predicate */
86 u8 current_result;
87 u8 return_used;
88 u8 scope_depth;
89 u8 pass_number; /* Parse pass during table load */
90 u8 result_size; /* Total elements for the result stack */
91 u8 result_count; /* Current number of occupied elements of result stack */
92 u32 aml_offset;
93 u32 arg_types;
94 u32 method_breakpoint; /* For single stepping */
95 u32 user_breakpoint; /* User AML breakpoint */
96 u32 parse_flags;
97
98 struct acpi_parse_state parser_state; /* Current state of parser */
99 u32 prev_arg_types;
100 u32 arg_count; /* push for fixed or var args */
101
102 struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
103 struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
104 union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
105 union acpi_operand_object **params;
106
107 u8 *aml_last_while;
108 union acpi_operand_object **caller_return_desc;
109 union acpi_generic_state *control_state; /* List of control states (nested IFs) */
110 struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */
111 union acpi_operand_object *implicit_return_obj;
112 struct acpi_namespace_node *method_call_node; /* Called method Node */
113 union acpi_parse_object *method_call_op; /* method_call Op if running a method */
114 union acpi_operand_object *method_desc; /* Method descriptor if running a method */
115 struct acpi_namespace_node *method_node; /* Method node if running a method. */
116 union acpi_parse_object *op; /* Current parser op */
117 const struct acpi_opcode_info *op_info; /* Info on current opcode */
118 union acpi_parse_object *origin; /* Start of walk [Obsolete] */
119 union acpi_operand_object *result_obj;
120 union acpi_generic_state *results; /* Stack of accumulated results */
121 union acpi_operand_object *return_desc; /* Return object, if any */
122 union acpi_generic_state *scope_info; /* Stack of nested scopes */
123 union acpi_parse_object *prev_op; /* Last op that was processed */
124 union acpi_parse_object *next_op; /* next op to be processed */
125 struct acpi_thread_state *thread;
126 acpi_parse_downwards descending_callback;
127 acpi_parse_upwards ascending_callback;
128};
129
130/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
131
132struct acpi_init_walk_info {
133 u32 table_index;
134 u32 object_count;
135 u32 method_count;
136 u32 device_count;
137 u32 op_region_count;
138 u32 field_count;
139 u32 buffer_count;
140 u32 package_count;
141 u32 op_region_init;
142 u32 field_init;
143 u32 buffer_init;
144 u32 package_init;
145 acpi_owner_id owner_id;
146};
147
148struct acpi_get_devices_info {
149 acpi_walk_callback user_function;
150 void *context;
151 const char *hid;
152};
153
154union acpi_aml_operands {
155 union acpi_operand_object *operands[7];
156
157 struct {
158 struct acpi_object_integer *type;
159 struct acpi_object_integer *code;
160 struct acpi_object_integer *argument;
161
162 } fatal;
163
164 struct {
165 union acpi_operand_object *source;
166 struct acpi_object_integer *index;
167 union acpi_operand_object *target;
168
169 } index;
170
171 struct {
172 union acpi_operand_object *source;
173 struct acpi_object_integer *index;
174 struct acpi_object_integer *length;
175 union acpi_operand_object *target;
176
177 } mid;
178};
179
180/*
181 * Structure used to pass object evaluation parameters.
182 * Purpose is to reduce CPU stack use.
183 */
184struct acpi_evaluate_info {
185 struct acpi_namespace_node *prefix_node;
186 char *pathname;
187 union acpi_operand_object *obj_desc;
188 union acpi_operand_object **parameters;
189 struct acpi_namespace_node *resolved_node;
190 union acpi_operand_object *return_object;
191 u8 param_count;
192 u8 pass_number;
193 u8 return_object_type;
194 u8 flags;
195};
196
197/* Values for Flags above */
198
199#define ACPI_IGNORE_RETURN_VALUE 1
200
201/* Info used by acpi_ns_initialize_devices */
202
203struct acpi_device_walk_info {
204 struct acpi_table_desc *table_desc;
205 struct acpi_evaluate_info *evaluate_info;
206 u32 device_count;
207 u32 num_STA;
208 u32 num_INI;
209};
210
211/* TBD: [Restructure] Merge with struct above */
212
213struct acpi_walk_info {
214 u32 debug_level;
215 u32 count;
216 acpi_owner_id owner_id;
217 u8 display_type;
218};
219
220/* Display Types */
221
222#define ACPI_DISPLAY_SUMMARY (u8) 0
223#define ACPI_DISPLAY_OBJECTS (u8) 1
224#define ACPI_DISPLAY_MASK (u8) 1
225
226#define ACPI_DISPLAY_SHORT (u8) 2
227
228#endif
1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: acstruct.h - Internal structs
5 *
6 * Copyright (C) 2000 - 2022, Intel Corp.
7 *
8 *****************************************************************************/
9
10#ifndef __ACSTRUCT_H__
11#define __ACSTRUCT_H__
12
13/* acpisrc:struct_defs -- for acpisrc conversion */
14
15/*****************************************************************************
16 *
17 * Tree walking typedefs and structs
18 *
19 ****************************************************************************/
20
21/*
22 * Walk state - current state of a parse tree walk. Used for both a leisurely
23 * stroll through the tree (for whatever reason), and for control method
24 * execution.
25 */
26#define ACPI_NEXT_OP_DOWNWARD 1
27#define ACPI_NEXT_OP_UPWARD 2
28
29/*
30 * Groups of definitions for walk_type used for different implementations of
31 * walkers (never simultaneously) - flags for interpreter:
32 */
33#define ACPI_WALK_NON_METHOD 0
34#define ACPI_WALK_METHOD 0x01
35#define ACPI_WALK_METHOD_RESTART 0x02
36
37struct acpi_walk_state {
38 struct acpi_walk_state *next; /* Next walk_state in list */
39 u8 descriptor_type; /* To differentiate various internal objs */
40 u8 walk_type;
41 u16 opcode; /* Current AML opcode */
42 u8 next_op_info; /* Info about next_op */
43 u8 num_operands; /* Stack pointer for Operands[] array */
44 u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */
45 acpi_owner_id owner_id; /* Owner of objects created during the walk */
46 u8 last_predicate; /* Result of last predicate */
47 u8 current_result;
48 u8 return_used;
49 u8 scope_depth;
50 u8 pass_number; /* Parse pass during table load */
51 u8 namespace_override; /* Override existing objects */
52 u8 result_size; /* Total elements for the result stack */
53 u8 result_count; /* Current number of occupied elements of result stack */
54 u8 *aml;
55 u32 arg_types;
56 u32 method_breakpoint; /* For single stepping */
57 u32 user_breakpoint; /* User AML breakpoint */
58 u32 parse_flags;
59
60 struct acpi_parse_state parser_state; /* Current state of parser */
61 u32 prev_arg_types;
62 u32 arg_count; /* push for fixed or var args */
63 u16 method_nesting_depth;
64 u8 method_is_nested;
65
66 struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
67 struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
68 union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
69 union acpi_operand_object **params;
70
71 u8 *aml_last_while;
72 union acpi_operand_object **caller_return_desc;
73 union acpi_generic_state *control_state; /* List of control states (nested IFs) */
74 struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */
75 union acpi_operand_object *implicit_return_obj;
76 struct acpi_namespace_node *method_call_node; /* Called method Node */
77 union acpi_parse_object *method_call_op; /* method_call Op if running a method */
78 union acpi_operand_object *method_desc; /* Method descriptor if running a method */
79 struct acpi_namespace_node *method_node; /* Method node if running a method */
80 char *method_pathname; /* Full pathname of running method */
81 union acpi_parse_object *op; /* Current parser op */
82 const struct acpi_opcode_info *op_info; /* Info on current opcode */
83 union acpi_parse_object *origin; /* Start of walk [Obsolete] */
84 union acpi_operand_object *result_obj;
85 union acpi_generic_state *results; /* Stack of accumulated results */
86 union acpi_operand_object *return_desc; /* Return object, if any */
87 union acpi_generic_state *scope_info; /* Stack of nested scopes */
88 union acpi_parse_object *prev_op; /* Last op that was processed */
89 union acpi_parse_object *next_op; /* next op to be processed */
90 struct acpi_thread_state *thread;
91 acpi_parse_downwards descending_callback;
92 acpi_parse_upwards ascending_callback;
93};
94
95/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
96
97struct acpi_init_walk_info {
98 u32 table_index;
99 u32 object_count;
100 u32 method_count;
101 u32 serial_method_count;
102 u32 non_serial_method_count;
103 u32 serialized_method_count;
104 u32 device_count;
105 u32 op_region_count;
106 u32 field_count;
107 u32 buffer_count;
108 u32 package_count;
109 u32 op_region_init;
110 u32 field_init;
111 u32 buffer_init;
112 u32 package_init;
113 acpi_owner_id owner_id;
114};
115
116struct acpi_get_devices_info {
117 acpi_walk_callback user_function;
118 void *context;
119 const char *hid;
120};
121
122union acpi_aml_operands {
123 union acpi_operand_object *operands[7];
124
125 struct {
126 struct acpi_object_integer *type;
127 struct acpi_object_integer *code;
128 struct acpi_object_integer *argument;
129
130 } fatal;
131
132 struct {
133 union acpi_operand_object *source;
134 struct acpi_object_integer *index;
135 union acpi_operand_object *target;
136
137 } index;
138
139 struct {
140 union acpi_operand_object *source;
141 struct acpi_object_integer *index;
142 struct acpi_object_integer *length;
143 union acpi_operand_object *target;
144
145 } mid;
146};
147
148/*
149 * Structure used to pass object evaluation information and parameters.
150 * Purpose is to reduce CPU stack use.
151 */
152struct acpi_evaluate_info {
153 /* The first 3 elements are passed by the caller to acpi_ns_evaluate */
154
155 struct acpi_namespace_node *prefix_node; /* Input: starting node */
156 const char *relative_pathname; /* Input: path relative to prefix_node */
157 union acpi_operand_object **parameters; /* Input: argument list */
158
159 struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */
160 union acpi_operand_object *obj_desc; /* Object attached to the resolved node */
161 char *full_pathname; /* Full pathname of the resolved node */
162
163 const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */
164 union acpi_operand_object *return_object; /* Object returned from the evaluation */
165 union acpi_operand_object *parent_package; /* Used if return object is a Package */
166
167 u32 return_flags; /* Used for return value analysis */
168 u32 return_btype; /* Bitmapped type of the returned object */
169 u16 param_count; /* Count of the input argument list */
170 u16 node_flags; /* Same as Node->Flags */
171 u8 pass_number; /* Parser pass number */
172 u8 return_object_type; /* Object type of the returned object */
173 u8 flags; /* General flags */
174};
175
176/* Values for Flags above */
177
178#define ACPI_IGNORE_RETURN_VALUE 1
179
180/* Defines for return_flags field above */
181
182#define ACPI_OBJECT_REPAIRED 1
183#define ACPI_OBJECT_WRAPPED 2
184
185/* Info used by acpi_ns_initialize_devices */
186
187struct acpi_device_walk_info {
188 struct acpi_table_desc *table_desc;
189 struct acpi_evaluate_info *evaluate_info;
190 u32 device_count;
191 u32 num_STA;
192 u32 num_INI;
193};
194
195/* Info used by Acpi acpi_db_display_fields */
196
197struct acpi_region_walk_info {
198 u32 debug_level;
199 u32 count;
200 acpi_owner_id owner_id;
201 u8 display_type;
202 u32 address_space_id;
203};
204
205/* TBD: [Restructure] Merge with struct above */
206
207struct acpi_walk_info {
208 u32 debug_level;
209 u32 count;
210 acpi_owner_id owner_id;
211 u8 display_type;
212};
213
214/* Display Types */
215
216#define ACPI_DISPLAY_SUMMARY (u8) 0
217#define ACPI_DISPLAY_OBJECTS (u8) 1
218#define ACPI_DISPLAY_MASK (u8) 1
219
220#define ACPI_DISPLAY_SHORT (u8) 2
221
222#endif