aboutsummaryrefslogtreecommitdiff
path: root/include/acpi/acnamesp.h
blob: 870e2544bd9b61cc8f31a6ad81fd35b698d4e0fd (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
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/******************************************************************************
 *
 * Name: acnamesp.h - Namespace subcomponent prototypes and defines
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, R. Byron Moore
 * 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_WALK_UNLOCK         TRUE
#define ACPI_NS_WALK_NO_UNLOCK      FALSE


/*
 * 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 (
	struct acpi_table_desc          *table_desc,
	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,
	u8                              unlock_before_callback,
	acpi_walk_callback              user_function,
	void                            *context,
	void                            **return_value);

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


/*
 * nsparse - table parsing
 */
acpi_status
acpi_ns_parse_table (
	struct acpi_table_desc          *table_desc,
	struct acpi_namespace_node      *scope);

acpi_status
acpi_ns_one_complete_parse (
	u32                             pass_number,
	struct acpi_table_desc          *table_desc);


/*
 * 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_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_by_handle (
	struct acpi_parameter_info      *info);

acpi_status
acpi_ns_evaluate_by_name (
	char                            *pathname,
	struct acpi_parameter_info      *info);

acpi_status
acpi_ns_evaluate_relative (
	char                            *pathname,
	struct acpi_parameter_info      *info);


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

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_by_path (
	char                            *external_pathname,
	struct acpi_namespace_node      *in_prefix_node,
	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);


/*
 * 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_node (
	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 (
	char                            *module_name,
	u32                             line_number,
	u32                             component_id,
	char                            *internal_name,
	acpi_status                     lookup_status);

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

void
acpi_ns_print_node_pathname (
	struct acpi_namespace_node      *node,
	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 (
	char                            *dotted_name,
	char                            **converted_name);

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

struct acpi_namespace_node *
acpi_ns_map_handle_to_node (
	acpi_handle                     handle);

acpi_handle
acpi_ns_convert_entry_to_handle(
	struct acpi_namespace_node      *node);

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__ */