aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/acnamesp.h
blob: 258159cfcdfa224fd8f156e5aec2c599b377554f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
/******************************************************************************
 *
 * Name: acnamesp.h - Namespace subcomponent prototypes and defines
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2010, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACNAMESP_H__
#define __ACNAMESP_H__

/* To search the entire name space, pass this as search_base */

#define ACPI_NS_ALL                 ((acpi_handle)0)

/*
 * Elements of acpi_ns_properties are bit significant
 * and should be one-to-one with values of acpi_object_type
 */
#define ACPI_NS_NORMAL              0
#define ACPI_NS_NEWSCOPE            1	/* a definition of this type opens a name scope */
#define ACPI_NS_LOCAL               2	/* suppress search of enclosing scopes */

/* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */

#define ACPI_NS_NO_UPSEARCH         0
#define ACPI_NS_SEARCH_PARENT       0x01
#define ACPI_NS_DONT_OPEN_SCOPE     0x02
#define ACPI_NS_NO_PEER_SEARCH      0x04
#define ACPI_NS_ERROR_IF_FOUND      0x08
#define ACPI_NS_PREFIX_IS_SCOPE     0x10
#define ACPI_NS_EXTERNAL            0x20
#define ACPI_NS_TEMPORARY           0x40

/* Flags for acpi_ns_walk_namespace */

#define ACPI_NS_WALK_NO_UNLOCK      0
#define ACPI_NS_WALK_UNLOCK         0x01
#define ACPI_NS_WALK_TEMP_NODES     0x02

/* Object is not a package element */

#define ACPI_NOT_PACKAGE_ELEMENT    ACPI_UINT32_MAX

/* Always emit warning message, not dependent on node flags */

#define ACPI_WARN_ALWAYS            0

/*
 * nsinit - Namespace initialization
 */
acpi_status acpi_ns_initialize_objects(void);

acpi_status acpi_ns_initialize_devices(void);

/*
 * nsload -  Namespace loading
 */
acpi_status acpi_ns_load_namespace(void);

acpi_status
acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node);

/*
 * nswalk - walk the namespace
 */
acpi_status
acpi_ns_walk_namespace(acpi_object_type type,
		       acpi_handle start_object,
		       u32 max_depth,
		       u32 flags,
		       acpi_walk_callback pre_order_visit,
		       acpi_walk_callback post_order_visit,
		       void *context, void **return_value);

struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
						  *parent,
						  struct acpi_namespace_node
						  *child);

struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
							struct
							acpi_namespace_node
							*parent,
							struct
							acpi_namespace_node
							*child);

/*
 * nsparse - table parsing
 */
acpi_status
acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node);

acpi_status
acpi_ns_one_complete_parse(u32 pass_number,
			   u32 table_index,
			   struct acpi_namespace_node *start_node);

/*
 * nsaccess - Top-level namespace access
 */
acpi_status acpi_ns_root_initialize(void);

acpi_status
acpi_ns_lookup(union acpi_generic_state *scope_info,
	       char *name,
	       acpi_object_type type,
	       acpi_interpreter_mode interpreter_mode,
	       u32 flags,
	       struct acpi_walk_state *walk_state,
	       struct acpi_namespace_node **ret_node);

/*
 * nsalloc - Named object allocation/deallocation
 */
struct acpi_namespace_node *acpi_ns_create_node(u32 name);

void acpi_ns_delete_node(struct acpi_namespace_node *node);

void acpi_ns_remove_node(struct acpi_namespace_node *node);

void
acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);

void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id);

void acpi_ns_detach_object(struct acpi_namespace_node *node);

void acpi_ns_delete_children(struct acpi_namespace_node *parent);

int acpi_ns_compare_names(char *name1, char *name2);

/*
 * nsdump - Namespace dump/print utilities
 */
#ifdef	ACPI_FUTURE_USAGE
void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
#endif				/* ACPI_FUTURE_USAGE */

void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);

void
acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component);

void acpi_ns_print_pathname(u32 num_segments, char *pathname);

acpi_status
acpi_ns_dump_one_object(acpi_handle obj_handle,
			u32 level, void *context, void **return_value);

#ifdef	ACPI_FUTURE_USAGE
void
acpi_ns_dump_objects(acpi_object_type type,
		     u8 display_type,
		     u32 max_depth,
		     acpi_owner_id owner_id, acpi_handle start_handle);
#endif				/* ACPI_FUTURE_USAGE */

/*
 * nseval - Namespace evaluation functions
 */
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);

void acpi_ns_exec_module_code_list(void);

/*
 * nspredef - Support for predefined/reserved names
 */
acpi_status
acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
			       u32 user_param_count,
			       acpi_status return_status,
			       union acpi_operand_object **return_object);

const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
								    acpi_namespace_node
								    *node);

void
acpi_ns_check_parameter_count(char *pathname,
			      struct acpi_namespace_node *node,
			      u32 user_param_count,
			      const union acpi_predefined_info *info);

/*
 * nsnames - Name and Scope manipulation
 */
u32 acpi_ns_opens_scope(acpi_object_type type);

acpi_status
acpi_ns_build_external_path(struct acpi_namespace_node *node,
			    acpi_size size, char *name_buffer);

char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);

char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);

acpi_status
acpi_ns_handle_to_pathname(acpi_handle target_handle,
			   struct acpi_buffer *buffer);

u8
acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);

acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
		 const char *external_pathname,
		 u32 flags, struct acpi_namespace_node **out_node);

acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);

/*
 * nsobject - Object management for namespace nodes
 */
acpi_status
acpi_ns_attach_object(struct acpi_namespace_node *node,
		      union acpi_operand_object *object, acpi_object_type type);

union acpi_operand_object *acpi_ns_get_attached_object(struct
						       acpi_namespace_node
						       *node);

union acpi_operand_object *acpi_ns_get_secondary_object(union
							acpi_operand_object
							*obj_desc);

acpi_status
acpi_ns_attach_data(struct acpi_namespace_node *node,
		    acpi_object_handler handler, void *data);

acpi_status
acpi_ns_detach_data(struct acpi_namespace_node *node,
		    acpi_object_handler handler);

acpi_status
acpi_ns_get_attached_data(struct acpi_namespace_node *node,
			  acpi_object_handler handler, void **data);

/*
 * nsrepair - General return object repair for all
 * predefined methods/objects
 */
acpi_status
acpi_ns_repair_object(struct acpi_predefined_data *data,
		      u32 expected_btypes,
		      u32 package_index,
		      union acpi_operand_object **return_object_ptr);

acpi_status
acpi_ns_repair_package_list(struct acpi_predefined_data *data,
			    union acpi_operand_object **obj_desc_ptr);

acpi_status
acpi_ns_repair_null_element(struct acpi_predefined_data *data,
			    u32 expected_btypes,
			    u32 package_index,
			    union acpi_operand_object **return_object_ptr);

void
acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
			     u8 package_type,
			     union acpi_operand_object *obj_desc);

/*
 * nsrepair2 - Return object repair for specific
 * predefined methods/objects
 */
acpi_status
acpi_ns_complex_repairs(struct acpi_predefined_data *data,
			struct acpi_namespace_node *node,
			acpi_status validate_status,
			union acpi_operand_object **return_object_ptr);

/*
 * nssearch - Namespace searching and entry
 */
acpi_status
acpi_ns_search_and_enter(u32 entry_name,
			 struct acpi_walk_state *walk_state,
			 struct acpi_namespace_node *node,
			 acpi_interpreter_mode interpreter_mode,
			 acpi_object_type type,
			 u32 flags, struct acpi_namespace_node **ret_node);

acpi_status
acpi_ns_search_one_scope(u32 entry_name,
			 struct acpi_namespace_node *node,
			 acpi_object_type type,
			 struct acpi_namespace_node **ret_node);

void
acpi_ns_install_node(struct acpi_walk_state *walk_state,
		     struct acpi_namespace_node *parent_node,
		     struct acpi_namespace_node *node, acpi_object_type type);

/*
 * nsutils - Utility functions
 */
u8 acpi_ns_valid_root_prefix(char prefix);

acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);

u32 acpi_ns_local(acpi_object_type type);

void
acpi_ns_report_error(const char *module_name,
		     u32 line_number,
		     const char *internal_name, acpi_status lookup_status);

void
acpi_ns_report_method_error(const char *module_name,
			    u32 line_number,
			    const char *message,
			    struct acpi_namespace_node *node,
			    const char *path, acpi_status lookup_status);

void
acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);

acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);

void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);

acpi_status
acpi_ns_internalize_name(const char *dotted_name, char **converted_name);

acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
			 const char *internal_name,
			 u32 * converted_name_length, char **converted_name);

struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);

void acpi_ns_terminate(void);

struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
						    *node);

struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
							acpi_namespace_node
							*node);

#endif				/* __ACNAMESP_H__ */