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diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
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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
47extern 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
53extern const char *acpi_gbl_bm_decode[];
54extern const char *acpi_gbl_config_decode[];
55extern const char *acpi_gbl_consume_decode[];
56extern const char *acpi_gbl_dec_decode[];
57extern const char *acpi_gbl_he_decode[];
58extern const char *acpi_gbl_io_decode[];
59extern const char *acpi_gbl_ll_decode[];
60extern const char *acpi_gbl_max_decode[];
61extern const char *acpi_gbl_mem_decode[];
62extern const char *acpi_gbl_min_decode[];
63extern const char *acpi_gbl_mtp_decode[];
64extern const char *acpi_gbl_rng_decode[];
65extern const char *acpi_gbl_rw_decode[];
66extern const char *acpi_gbl_shr_decode[];
67extern const char *acpi_gbl_siz_decode[];
68extern const char *acpi_gbl_trs_decode[];
69extern const char *acpi_gbl_ttp_decode[];
70extern 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
80typedef
81acpi_status(*acpi_walk_aml_callback) (u8 * aml,
82 u32 length,
83 u32 offset,
84 u8 resource_index, void **context);
85
86typedef
87acpi_status(*acpi_pkg_callback) (u8 object_type,
88 union acpi_operand_object * source_object,
89 union acpi_generic_state * state,
90 void *context);
91
92struct 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 */
113acpi_status acpi_ut_init_globals(void);
114
115#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
116
117char *acpi_ut_get_mutex_name(u32 mutex_id);
118
119const char *acpi_ut_get_notify_name(u32 notify_value);
120
121#endif
122
123char *acpi_ut_get_type_name(acpi_object_type type);
124
125char *acpi_ut_get_node_name(void *object);
126
127char *acpi_ut_get_descriptor_name(void *object);
128
129const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
130
131char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
132
133char *acpi_ut_get_region_name(u8 space_id);
134
135char *acpi_ut_get_event_name(u32 event_id);
136
137char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position);
138
139u8 acpi_ut_valid_object_type(acpi_object_type type);
140
141/*
142 * utinit - miscellaneous initialization and shutdown
143 */
144acpi_status acpi_ut_hardware_initialize(void);
145
146void acpi_ut_subsystem_shutdown(void);
147
148/*
149 * utclib - Local implementations of C library functions
150 */
151#ifndef ACPI_USE_SYSTEM_CLIBRARY
152
153acpi_size acpi_ut_strlen(const char *string);
154
155char *acpi_ut_strcpy(char *dst_string, const char *src_string);
156
157char *acpi_ut_strncpy(char *dst_string,
158 const char *src_string, acpi_size count);
159
160int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
161
162int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
163
164int acpi_ut_strcmp(const char *string1, const char *string2);
165
166char *acpi_ut_strcat(char *dst_string, const char *src_string);
167
168char *acpi_ut_strncat(char *dst_string,
169 const char *src_string, acpi_size count);
170
171u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
172
173char *acpi_ut_strstr(char *string1, char *string2);
174
175void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
176
177void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
178
179int acpi_ut_to_upper(int c);
180
181int acpi_ut_to_lower(int c);
182
183extern 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 */
209acpi_status
210acpi_ut_build_simple_object(union acpi_operand_object *obj,
211 union acpi_object *user_obj,
212 u8 * data_space, u32 * buffer_space_used);
213
214acpi_status
215acpi_ut_build_package_object(union acpi_operand_object *obj,
216 u8 * buffer, u32 * space_used);
217
218acpi_status
219acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
220 struct acpi_buffer *ret_buffer);
221
222acpi_status
223acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
224 union acpi_operand_object **internal_obj);
225
226acpi_status
227acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
228 union acpi_operand_object *dest_obj);
229
230acpi_status
231acpi_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 */
238acpi_status
239acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
240
241/*
242 * utdebug - Debug interfaces
243 */
244void acpi_ut_init_stack_ptr_trace(void);
245
246void acpi_ut_track_stack_ptr(void);
247
248void
249acpi_ut_trace(u32 line_number,
250 const char *function_name,
251 const char *module_name, u32 component_id);
252
253void
254acpi_ut_trace_ptr(u32 line_number,
255 const char *function_name,
256 const char *module_name, u32 component_id, void *pointer);
257
258void
259acpi_ut_trace_u32(u32 line_number,
260 const char *function_name,
261 const char *module_name, u32 component_id, u32 integer);
262
263void
264acpi_ut_trace_str(u32 line_number,
265 const char *function_name,
266 const char *module_name, u32 component_id, char *string);
267
268void
269acpi_ut_exit(u32 line_number,
270 const char *function_name,
271 const char *module_name, u32 component_id);
272
273void
274acpi_ut_status_exit(u32 line_number,
275 const char *function_name,
276 const char *module_name,
277 u32 component_id, acpi_status status);
278
279void
280acpi_ut_value_exit(u32 line_number,
281 const char *function_name,
282 const char *module_name,
283 u32 component_id, acpi_integer value);
284
285void
286acpi_ut_ptr_exit(u32 line_number,
287 const char *function_name,
288 const char *module_name, u32 component_id, u8 *ptr);
289
290void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
291
292void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display);
293
294void acpi_ut_report_error(char *module_name, u32 line_number);
295
296void acpi_ut_report_info(char *module_name, u32 line_number);
297
298void acpi_ut_report_warning(char *module_name, u32 line_number);
299
300/* Error and message reporting interfaces */
301
302void ACPI_INTERNAL_VAR_XFACE
303acpi_ut_debug_print(u32 requested_debug_level,
304 u32 line_number,
305 const char *function_name,
306 const char *module_name,
307 u32 component_id,
308 const char *format, ...) ACPI_PRINTF_LIKE(6);
309
310void ACPI_INTERNAL_VAR_XFACE
311acpi_ut_debug_print_raw(u32 requested_debug_level,
312 u32 line_number,
313 const char *function_name,
314 const char *module_name,
315 u32 component_id,
316 const char *format, ...) ACPI_PRINTF_LIKE(6);
317
318void ACPI_INTERNAL_VAR_XFACE
319acpi_ut_error(const char *module_name,
320 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
321
322void ACPI_INTERNAL_VAR_XFACE
323acpi_ut_exception(const char *module_name,
324 u32 line_number,
325 acpi_status status,
326 const char *format, ...) ACPI_PRINTF_LIKE(4);
327
328void ACPI_INTERNAL_VAR_XFACE
329acpi_ut_warning(const char *module_name,
330 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
331
332void ACPI_INTERNAL_VAR_XFACE
333acpi_ut_info(const char *module_name,
334 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
335
336/*
337 * utdelete - Object deletion and reference counts
338 */
339void acpi_ut_add_reference(union acpi_operand_object *object);
340
341void acpi_ut_remove_reference(union acpi_operand_object *object);
342
343void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
344
345void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
346
347void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
348
349/*
350 * uteval - object evaluation
351 */
352acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
353
354acpi_status
355acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
356 char *path,
357 u32 expected_return_btypes,
358 union acpi_operand_object **return_desc);
359
360acpi_status
361acpi_ut_evaluate_numeric_object(char *object_name,
362 struct acpi_namespace_node *device_node,
363 acpi_integer * address);
364
365acpi_status
366acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
367 struct acpica_device_id *hid);
368
369acpi_status
370acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
371 struct acpi_compatible_id_list **return_cid_list);
372
373acpi_status
374acpi_ut_execute_STA(struct acpi_namespace_node *device_node,
375 u32 * status_flags);
376
377acpi_status
378acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
379 struct acpica_device_id *uid);
380
381acpi_status
382acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
383
384/*
385 * utobject - internal object create/delete/cache routines
386 */
387union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
388 *module_name,
389 u32 line_number,
390 u32 component_id,
391 acpi_object_type
392 type);
393
394void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
395 u32 line_number, u32 component_id);
396
397#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
398#define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
399
400void acpi_ut_delete_object_desc(union acpi_operand_object *object);
401
402u8 acpi_ut_valid_internal_object(void *object);
403
404union acpi_operand_object *acpi_ut_create_package_object(u32 count);
405
406union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
407
408union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
409
410acpi_status
411acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
412
413/*
414 * utstate - Generic state creation/cache routines
415 */
416void
417acpi_ut_push_generic_state(union acpi_generic_state **list_head,
418 union acpi_generic_state *state);
419
420union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
421 **list_head);
422
423union acpi_generic_state *acpi_ut_create_generic_state(void);
424
425struct acpi_thread_state *acpi_ut_create_thread_state(void);
426
427union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
428 *object, u16 action);
429
430union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
431 void *external_object,
432 u16 index);
433
434acpi_status
435acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
436 u16 action,
437 union acpi_generic_state **state_list);
438
439#ifdef ACPI_FUTURE_USAGE
440acpi_status
441acpi_ut_create_pkg_state_and_push(void *internal_object,
442 void *external_object,
443 u16 index,
444 union acpi_generic_state **state_list);
445#endif /* ACPI_FUTURE_USAGE */
446
447union acpi_generic_state *acpi_ut_create_control_state(void);
448
449void acpi_ut_delete_generic_state(union acpi_generic_state *state);
450
451/*
452 * utmath
453 */
454acpi_status
455acpi_ut_divide(acpi_integer in_dividend,
456 acpi_integer in_divisor,
457 acpi_integer * out_quotient, acpi_integer * out_remainder);
458
459acpi_status
460acpi_ut_short_divide(acpi_integer in_dividend,
461 u32 divisor,
462 acpi_integer * out_quotient, u32 * out_remainder);
463
464/*
465 * utmisc
466 */
467const char *acpi_ut_validate_exception(acpi_status status);
468
469u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
470
471acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
472
473void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
474
475acpi_status
476acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
477 void *target_object,
478 acpi_pkg_callback walk_callback, void *context);
479
480void acpi_ut_strupr(char *src_string);
481
482void acpi_ut_print_string(char *string, u8 max_length);
483
484u8 acpi_ut_valid_acpi_name(u32 name);
485
486acpi_name acpi_ut_repair_name(char *name);
487
488u8 acpi_ut_valid_acpi_char(char character, u32 position);
489
490acpi_status
491acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
492
493/* Values for Base above (16=Hex, 10=Decimal) */
494
495#define ACPI_ANY_BASE 0
496
497u32 acpi_ut_dword_byte_swap(u32 value);
498
499void acpi_ut_set_integer_width(u8 revision);
500
501#ifdef ACPI_DEBUG_OUTPUT
502void
503acpi_ut_display_init_pathname(u8 type,
504 struct acpi_namespace_node *obj_handle,
505 char *path);
506#endif
507
508/*
509 * utresrc
510 */
511acpi_status
512acpi_ut_walk_aml_resources(u8 * aml,
513 acpi_size aml_length,
514 acpi_walk_aml_callback user_function,
515 void **context);
516
517acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
518
519u32 acpi_ut_get_descriptor_length(void *aml);
520
521u16 acpi_ut_get_resource_length(void *aml);
522
523u8 acpi_ut_get_resource_header_length(void *aml);
524
525u8 acpi_ut_get_resource_type(void *aml);
526
527acpi_status
528acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
529 u8 ** end_tag);
530
531/*
532 * utmutex - mutex support
533 */
534acpi_status acpi_ut_mutex_initialize(void);
535
536void acpi_ut_mutex_terminate(void);
537
538acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
539
540acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
541
542/*
543 * utalloc - memory allocation and object caching
544 */
545acpi_status acpi_ut_create_caches(void);
546
547acpi_status acpi_ut_delete_caches(void);
548
549acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
550
551acpi_status
552acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
553 acpi_size required_length);
554
555void *acpi_ut_allocate(acpi_size size,
556 u32 component, const char *module, u32 line);
557
558void *acpi_ut_allocate_zeroed(acpi_size size,
559 u32 component, const char *module, u32 line);
560
561#ifdef ACPI_DBG_TRACK_ALLOCATIONS
562void *acpi_ut_allocate_and_track(acpi_size size,
563 u32 component, const char *module, u32 line);
564
565void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
566 u32 component,
567 const char *module, u32 line);
568
569void
570acpi_ut_free_and_track(void *address,
571 u32 component, const char *module, u32 line);
572
573#ifdef ACPI_FUTURE_USAGE
574void acpi_ut_dump_allocation_info(void);
575#endif /* ACPI_FUTURE_USAGE */
576
577void acpi_ut_dump_allocations(u32 component, const char *module);
578
579acpi_status
580acpi_ut_create_list(char *list_name,
581 u16 object_size, struct acpi_memory_list **return_cache);
582
583#endif
584
585#endif /* _ACUTILS_H */
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