ACPICA: Major update for acpi_get_object_info external interface
[linux-2.6.git] / drivers / acpi / acpica / acutils.h
1 /******************************************************************************
2  *
3  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2008, 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 _ACUTILS_H
45 #define _ACUTILS_H
46
47 extern const u8 acpi_gbl_resource_aml_sizes[];
48
49 /* Strings used by the disassembler and debugger resource dump routines */
50
51 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
52
53 extern const char *acpi_gbl_bm_decode[];
54 extern const char *acpi_gbl_config_decode[];
55 extern const char *acpi_gbl_consume_decode[];
56 extern const char *acpi_gbl_dec_decode[];
57 extern const char *acpi_gbl_he_decode[];
58 extern const char *acpi_gbl_io_decode[];
59 extern const char *acpi_gbl_ll_decode[];
60 extern const char *acpi_gbl_max_decode[];
61 extern const char *acpi_gbl_mem_decode[];
62 extern const char *acpi_gbl_min_decode[];
63 extern const char *acpi_gbl_mtp_decode[];
64 extern const char *acpi_gbl_rng_decode[];
65 extern const char *acpi_gbl_rw_decode[];
66 extern const char *acpi_gbl_shr_decode[];
67 extern const char *acpi_gbl_siz_decode[];
68 extern const char *acpi_gbl_trs_decode[];
69 extern const char *acpi_gbl_ttp_decode[];
70 extern const char *acpi_gbl_typ_decode[];
71 #endif
72
73 /* Types for Resource descriptor entries */
74
75 #define ACPI_INVALID_RESOURCE           0
76 #define ACPI_FIXED_LENGTH               1
77 #define ACPI_VARIABLE_LENGTH            2
78 #define ACPI_SMALL_VARIABLE_LENGTH      3
79
80 typedef
81 acpi_status(*acpi_walk_aml_callback) (u8 * aml,
82                                       u32 length,
83                                       u32 offset,
84                                       u8 resource_index, void **context);
85
86 typedef
87 acpi_status(*acpi_pkg_callback) (u8 object_type,
88                                  union acpi_operand_object * source_object,
89                                  union acpi_generic_state * state,
90                                  void *context);
91
92 struct acpi_pkg_info {
93         u8 *free_space;
94         acpi_size length;
95         u32 object_space;
96         u32 num_packages;
97 };
98
99 #define REF_INCREMENT       (u16) 0
100 #define REF_DECREMENT       (u16) 1
101 #define REF_FORCE_DELETE    (u16) 2
102
103 /* acpi_ut_dump_buffer */
104
105 #define DB_BYTE_DISPLAY     1
106 #define DB_WORD_DISPLAY     2
107 #define DB_DWORD_DISPLAY    4
108 #define DB_QWORD_DISPLAY    8
109
110 /*
111  * utglobal - Global data structures and procedures
112  */
113 acpi_status acpi_ut_init_globals(void);
114
115 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
116
117 char *acpi_ut_get_mutex_name(u32 mutex_id);
118
119 const char *acpi_ut_get_notify_name(u32 notify_value);
120
121 #endif
122
123 char *acpi_ut_get_type_name(acpi_object_type type);
124
125 char *acpi_ut_get_node_name(void *object);
126
127 char *acpi_ut_get_descriptor_name(void *object);
128
129 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
130
131 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
132
133 char *acpi_ut_get_region_name(u8 space_id);
134
135 char *acpi_ut_get_event_name(u32 event_id);
136
137 char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position);
138
139 u8 acpi_ut_valid_object_type(acpi_object_type type);
140
141 /*
142  * utinit - miscellaneous initialization and shutdown
143  */
144 acpi_status acpi_ut_hardware_initialize(void);
145
146 void acpi_ut_subsystem_shutdown(void);
147
148 /*
149  * utclib - Local implementations of C library functions
150  */
151 #ifndef ACPI_USE_SYSTEM_CLIBRARY
152
153 acpi_size acpi_ut_strlen(const char *string);
154
155 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
156
157 char *acpi_ut_strncpy(char *dst_string,
158                       const char *src_string, acpi_size count);
159
160 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
161
162 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
163
164 int acpi_ut_strcmp(const char *string1, const char *string2);
165
166 char *acpi_ut_strcat(char *dst_string, const char *src_string);
167
168 char *acpi_ut_strncat(char *dst_string,
169                       const char *src_string, acpi_size count);
170
171 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
172
173 char *acpi_ut_strstr(char *string1, char *string2);
174
175 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
176
177 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
178
179 int acpi_ut_to_upper(int c);
180
181 int acpi_ut_to_lower(int c);
182
183 extern const u8 _acpi_ctype[];
184
185 #define _ACPI_XA     0x00       /* extra alphabetic - not supported */
186 #define _ACPI_XS     0x40       /* extra space */
187 #define _ACPI_BB     0x00       /* BEL, BS, etc. - not supported */
188 #define _ACPI_CN     0x20       /* CR, FF, HT, NL, VT */
189 #define _ACPI_DI     0x04       /* '0'-'9' */
190 #define _ACPI_LO     0x02       /* 'a'-'z' */
191 #define _ACPI_PU     0x10       /* punctuation */
192 #define _ACPI_SP     0x08       /* space */
193 #define _ACPI_UP     0x01       /* 'A'-'Z' */
194 #define _ACPI_XD     0x80       /* '0'-'9', 'A'-'F', 'a'-'f' */
195
196 #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
197 #define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
198 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
199 #define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
200 #define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
201 #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
202 #define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
203
204 #endif                          /* ACPI_USE_SYSTEM_CLIBRARY */
205
206 /*
207  * utcopy - Object construction and conversion interfaces
208  */
209 acpi_status
210 acpi_ut_build_simple_object(union acpi_operand_object *obj,
211                             union acpi_object *user_obj,
212                             u8 * data_space, u32 * buffer_space_used);
213
214 acpi_status
215 acpi_ut_build_package_object(union acpi_operand_object *obj,
216                              u8 * buffer, u32 * space_used);
217
218 acpi_status
219 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
220                                 struct acpi_buffer *ret_buffer);
221
222 acpi_status
223 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
224                                 union acpi_operand_object **internal_obj);
225
226 acpi_status
227 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
228                                 union acpi_operand_object *dest_obj);
229
230 acpi_status
231 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
232                                 union acpi_operand_object **dest_desc,
233                                 struct acpi_walk_state *walk_state);
234
235 /*
236  * utcreate - Object creation
237  */
238 acpi_status
239 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
240
241 /*
242  * utdebug - Debug interfaces
243  */
244 void acpi_ut_init_stack_ptr_trace(void);
245
246 void acpi_ut_track_stack_ptr(void);
247
248 void
249 acpi_ut_trace(u32 line_number,
250               const char *function_name,
251               const char *module_name, u32 component_id);
252
253 void
254 acpi_ut_trace_ptr(u32 line_number,
255                   const char *function_name,
256                   const char *module_name, u32 component_id, void *pointer);
257
258 void
259 acpi_ut_trace_u32(u32 line_number,
260                   const char *function_name,
261                   const char *module_name, u32 component_id, u32 integer);
262
263 void
264 acpi_ut_trace_str(u32 line_number,
265                   const char *function_name,
266                   const char *module_name, u32 component_id, char *string);
267
268 void
269 acpi_ut_exit(u32 line_number,
270              const char *function_name,
271              const char *module_name, u32 component_id);
272
273 void
274 acpi_ut_status_exit(u32 line_number,
275                     const char *function_name,
276                     const char *module_name,
277                     u32 component_id, acpi_status status);
278
279 void
280 acpi_ut_value_exit(u32 line_number,
281                    const char *function_name,
282                    const char *module_name,
283                    u32 component_id, acpi_integer value);
284
285 void
286 acpi_ut_ptr_exit(u32 line_number,
287                  const char *function_name,
288                  const char *module_name, u32 component_id, u8 *ptr);
289
290 void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
291
292 void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display);
293
294 void acpi_ut_report_error(char *module_name, u32 line_number);
295
296 void acpi_ut_report_info(char *module_name, u32 line_number);
297
298 void acpi_ut_report_warning(char *module_name, u32 line_number);
299
300 /*
301  * utdelete - Object deletion and reference counts
302  */
303 void acpi_ut_add_reference(union acpi_operand_object *object);
304
305 void acpi_ut_remove_reference(union acpi_operand_object *object);
306
307 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
308
309 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
310
311 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
312
313 /*
314  * uteval - object evaluation
315  */
316 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
317
318 acpi_status
319 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
320                         char *path,
321                         u32 expected_return_btypes,
322                         union acpi_operand_object **return_desc);
323
324 acpi_status
325 acpi_ut_evaluate_numeric_object(char *object_name,
326                                 struct acpi_namespace_node *device_node,
327                                 acpi_integer *value);
328
329 acpi_status
330 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
331
332 acpi_status
333 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
334                               const char **method_names,
335                               u8 method_count, u8 *out_values);
336
337 /*
338  * utids - device ID support
339  */
340 acpi_status
341 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
342                     struct acpica_device_id **return_id);
343
344 acpi_status
345 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
346                     struct acpica_device_id **return_id);
347
348 acpi_status
349 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
350                     struct acpica_device_id_list **return_cid_list);
351
352 /*
353  * utlock - reader/writer locks
354  */
355 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
356
357 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
358
359 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
360
361 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
362
363 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
364
365 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
366
367 /*
368  * utobject - internal object create/delete/cache routines
369  */
370 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
371                                                               *module_name,
372                                                               u32 line_number,
373                                                               u32 component_id,
374                                                               acpi_object_type
375                                                               type);
376
377 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
378                                        u32 line_number, u32 component_id);
379
380 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
381 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
382
383 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
384
385 u8 acpi_ut_valid_internal_object(void *object);
386
387 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
388
389 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
390
391 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
392
393 acpi_status
394 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
395
396 /*
397  * utstate - Generic state creation/cache routines
398  */
399 void
400 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
401                            union acpi_generic_state *state);
402
403 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
404                                                     **list_head);
405
406 union acpi_generic_state *acpi_ut_create_generic_state(void);
407
408 struct acpi_thread_state *acpi_ut_create_thread_state(void);
409
410 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
411                                                       *object, u16 action);
412
413 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
414                                                    void *external_object,
415                                                    u16 index);
416
417 acpi_status
418 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
419                                      u16 action,
420                                      union acpi_generic_state **state_list);
421
422 #ifdef  ACPI_FUTURE_USAGE
423 acpi_status
424 acpi_ut_create_pkg_state_and_push(void *internal_object,
425                                   void *external_object,
426                                   u16 index,
427                                   union acpi_generic_state **state_list);
428 #endif                          /* ACPI_FUTURE_USAGE */
429
430 union acpi_generic_state *acpi_ut_create_control_state(void);
431
432 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
433
434 /*
435  * utmath
436  */
437 acpi_status
438 acpi_ut_divide(acpi_integer in_dividend,
439                acpi_integer in_divisor,
440                acpi_integer * out_quotient, acpi_integer * out_remainder);
441
442 acpi_status
443 acpi_ut_short_divide(acpi_integer in_dividend,
444                      u32 divisor,
445                      acpi_integer * out_quotient, u32 * out_remainder);
446
447 /*
448  * utmisc
449  */
450 const char *acpi_ut_validate_exception(acpi_status status);
451
452 u8 acpi_ut_is_pci_root_bridge(char *id);
453
454 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
455
456 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
457
458 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
459
460 acpi_status
461 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
462                           void *target_object,
463                           acpi_pkg_callback walk_callback, void *context);
464
465 void acpi_ut_strupr(char *src_string);
466
467 void acpi_ut_print_string(char *string, u8 max_length);
468
469 u8 acpi_ut_valid_acpi_name(u32 name);
470
471 acpi_name acpi_ut_repair_name(char *name);
472
473 u8 acpi_ut_valid_acpi_char(char character, u32 position);
474
475 acpi_status
476 acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
477
478 /* Values for Base above (16=Hex, 10=Decimal) */
479
480 #define ACPI_ANY_BASE        0
481
482 u32 acpi_ut_dword_byte_swap(u32 value);
483
484 void acpi_ut_set_integer_width(u8 revision);
485
486 #ifdef ACPI_DEBUG_OUTPUT
487 void
488 acpi_ut_display_init_pathname(u8 type,
489                               struct acpi_namespace_node *obj_handle,
490                               char *path);
491 #endif
492
493 /*
494  * utresrc
495  */
496 acpi_status
497 acpi_ut_walk_aml_resources(u8 * aml,
498                            acpi_size aml_length,
499                            acpi_walk_aml_callback user_function,
500                            void **context);
501
502 acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
503
504 u32 acpi_ut_get_descriptor_length(void *aml);
505
506 u16 acpi_ut_get_resource_length(void *aml);
507
508 u8 acpi_ut_get_resource_header_length(void *aml);
509
510 u8 acpi_ut_get_resource_type(void *aml);
511
512 acpi_status
513 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
514                              u8 ** end_tag);
515
516 /*
517  * utmutex - mutex support
518  */
519 acpi_status acpi_ut_mutex_initialize(void);
520
521 void acpi_ut_mutex_terminate(void);
522
523 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
524
525 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
526
527 /*
528  * utalloc - memory allocation and object caching
529  */
530 acpi_status acpi_ut_create_caches(void);
531
532 acpi_status acpi_ut_delete_caches(void);
533
534 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
535
536 acpi_status
537 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
538                           acpi_size required_length);
539
540 void *acpi_ut_allocate(acpi_size size,
541                        u32 component, const char *module, u32 line);
542
543 void *acpi_ut_allocate_zeroed(acpi_size size,
544                               u32 component, const char *module, u32 line);
545
546 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
547 void *acpi_ut_allocate_and_track(acpi_size size,
548                                  u32 component, const char *module, u32 line);
549
550 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
551                                         u32 component,
552                                         const char *module, u32 line);
553
554 void
555 acpi_ut_free_and_track(void *address,
556                        u32 component, const char *module, u32 line);
557
558 #ifdef  ACPI_FUTURE_USAGE
559 void acpi_ut_dump_allocation_info(void);
560 #endif                          /* ACPI_FUTURE_USAGE */
561
562 void acpi_ut_dump_allocations(u32 component, const char *module);
563
564 acpi_status
565 acpi_ut_create_list(char *list_name,
566                     u16 object_size, struct acpi_memory_list **return_cache);
567
568 #endif
569
570 #endif                          /* _ACUTILS_H */