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[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / acpi / acpica / acutils.h
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1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
9 * All rights reserved.
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.
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.
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.
44 #ifndef _ACUTILS_H
45 #define _ACUTILS_H
47 extern const u8 acpi_gbl_resource_aml_sizes[];
49 /* Strings used by the disassembler and debugger resource dump routines */
51 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
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
73 /* Types for Resource descriptor entries */
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
80 typedef
81 acpi_status(*acpi_walk_aml_callback) (u8 * aml,
82 u32 length,
83 u32 offset,
84 u8 resource_index, void **context);
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);
92 struct acpi_pkg_info {
93 u8 *free_space;
94 acpi_size length;
95 u32 object_space;
96 u32 num_packages;
99 #define REF_INCREMENT (u16) 0
100 #define REF_DECREMENT (u16) 1
101 #define REF_FORCE_DELETE (u16) 2
103 /* acpi_ut_dump_buffer */
105 #define DB_BYTE_DISPLAY 1
106 #define DB_WORD_DISPLAY 2
107 #define DB_DWORD_DISPLAY 4
108 #define DB_QWORD_DISPLAY 8
111 * utglobal - Global data structures and procedures
113 acpi_status acpi_ut_init_globals(void);
115 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
117 char *acpi_ut_get_mutex_name(u32 mutex_id);
119 const char *acpi_ut_get_notify_name(u32 notify_value);
121 #endif
123 char *acpi_ut_get_type_name(acpi_object_type type);
125 char *acpi_ut_get_node_name(void *object);
127 char *acpi_ut_get_descriptor_name(void *object);
129 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
131 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
133 char *acpi_ut_get_region_name(u8 space_id);
135 char *acpi_ut_get_event_name(u32 event_id);
137 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
139 u8 acpi_ut_valid_object_type(acpi_object_type type);
142 * utinit - miscellaneous initialization and shutdown
144 acpi_status acpi_ut_hardware_initialize(void);
146 void acpi_ut_subsystem_shutdown(void);
149 * utclib - Local implementations of C library functions
151 #ifndef ACPI_USE_SYSTEM_CLIBRARY
153 acpi_size acpi_ut_strlen(const char *string);
155 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
157 char *acpi_ut_strncpy(char *dst_string,
158 const char *src_string, acpi_size count);
160 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
162 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
164 int acpi_ut_strcmp(const char *string1, const char *string2);
166 char *acpi_ut_strcat(char *dst_string, const char *src_string);
168 char *acpi_ut_strncat(char *dst_string,
169 const char *src_string, acpi_size count);
171 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
173 char *acpi_ut_strstr(char *string1, char *string2);
175 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
177 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
179 int acpi_ut_to_upper(int c);
181 int acpi_ut_to_lower(int c);
183 extern const u8 _acpi_ctype[];
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' */
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))
204 #endif /* ACPI_USE_SYSTEM_CLIBRARY */
207 * utcopy - Object construction and conversion interfaces
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);
214 acpi_status
215 acpi_ut_build_package_object(union acpi_operand_object *obj,
216 u8 * buffer, u32 * space_used);
218 acpi_status
219 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
220 struct acpi_buffer *ret_buffer);
222 acpi_status
223 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
224 union acpi_operand_object **internal_obj);
226 acpi_status
227 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
228 union acpi_operand_object *dest_obj);
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);
236 * utcreate - Object creation
238 acpi_status
239 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
242 * utdebug - Debug interfaces
244 void acpi_ut_init_stack_ptr_trace(void);
246 void acpi_ut_track_stack_ptr(void);
248 void
249 acpi_ut_trace(u32 line_number,
250 const char *function_name,
251 const char *module_name, u32 component_id);
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);
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);
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);
268 void
269 acpi_ut_exit(u32 line_number,
270 const char *function_name,
271 const char *module_name, u32 component_id);
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);
279 void
280 acpi_ut_value_exit(u32 line_number,
281 const char *function_name,
282 const char *module_name, u32 component_id, u64 value);
284 void
285 acpi_ut_ptr_exit(u32 line_number,
286 const char *function_name,
287 const char *module_name, u32 component_id, u8 *ptr);
289 void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
291 void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display);
293 void acpi_ut_report_error(char *module_name, u32 line_number);
295 void acpi_ut_report_info(char *module_name, u32 line_number);
297 void acpi_ut_report_warning(char *module_name, u32 line_number);
300 * utdelete - Object deletion and reference counts
302 void acpi_ut_add_reference(union acpi_operand_object *object);
304 void acpi_ut_remove_reference(union acpi_operand_object *object);
306 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
308 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
310 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
313 * uteval - object evaluation
315 acpi_status
316 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
317 char *path,
318 u32 expected_return_btypes,
319 union acpi_operand_object **return_desc);
321 acpi_status
322 acpi_ut_evaluate_numeric_object(char *object_name,
323 struct acpi_namespace_node *device_node,
324 u64 *value);
326 acpi_status
327 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
329 acpi_status
330 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
331 const char **method_names,
332 u8 method_count, u8 *out_values);
335 * utids - device ID support
337 acpi_status
338 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
339 struct acpica_device_id **return_id);
341 acpi_status
342 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
343 struct acpica_device_id **return_id);
345 acpi_status
346 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
347 struct acpica_device_id_list **return_cid_list);
350 * utlock - reader/writer locks
352 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
354 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
356 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
358 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
360 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
362 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
365 * utobject - internal object create/delete/cache routines
367 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
368 *module_name,
369 u32 line_number,
370 u32 component_id,
371 acpi_object_type
372 type);
374 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
375 u32 line_number, u32 component_id);
377 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
378 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
380 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
382 u8 acpi_ut_valid_internal_object(void *object);
384 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
386 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
388 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
390 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
392 acpi_status
393 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
396 * utosi - Support for the _OSI predefined control method
398 acpi_status acpi_ut_initialize_interfaces(void);
400 void acpi_ut_interface_terminate(void);
402 acpi_status acpi_ut_install_interface(acpi_string interface_name);
404 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
406 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
408 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
411 * utstate - Generic state creation/cache routines
413 void
414 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
415 union acpi_generic_state *state);
417 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
418 **list_head);
420 union acpi_generic_state *acpi_ut_create_generic_state(void);
422 struct acpi_thread_state *acpi_ut_create_thread_state(void);
424 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
425 *object, u16 action);
427 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
428 void *external_object,
429 u16 index);
431 acpi_status
432 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
433 u16 action,
434 union acpi_generic_state **state_list);
436 #ifdef ACPI_FUTURE_USAGE
437 acpi_status
438 acpi_ut_create_pkg_state_and_push(void *internal_object,
439 void *external_object,
440 u16 index,
441 union acpi_generic_state **state_list);
442 #endif /* ACPI_FUTURE_USAGE */
444 union acpi_generic_state *acpi_ut_create_control_state(void);
446 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
449 * utmath
451 acpi_status
452 acpi_ut_divide(u64 in_dividend,
453 u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
455 acpi_status
456 acpi_ut_short_divide(u64 in_dividend,
457 u32 divisor, u64 *out_quotient, u32 *out_remainder);
460 * utmisc
462 const char *acpi_ut_validate_exception(acpi_status status);
464 u8 acpi_ut_is_pci_root_bridge(char *id);
466 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
468 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
470 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
472 acpi_status
473 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
474 void *target_object,
475 acpi_pkg_callback walk_callback, void *context);
477 void acpi_ut_strupr(char *src_string);
479 void acpi_ut_print_string(char *string, u8 max_length);
481 u8 acpi_ut_valid_acpi_name(u32 name);
483 acpi_name acpi_ut_repair_name(char *name);
485 u8 acpi_ut_valid_acpi_char(char character, u32 position);
487 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer);
489 /* Values for Base above (16=Hex, 10=Decimal) */
491 #define ACPI_ANY_BASE 0
493 u32 acpi_ut_dword_byte_swap(u32 value);
495 void acpi_ut_set_integer_width(u8 revision);
497 #ifdef ACPI_DEBUG_OUTPUT
498 void
499 acpi_ut_display_init_pathname(u8 type,
500 struct acpi_namespace_node *obj_handle,
501 char *path);
502 #endif
505 * utresrc
507 acpi_status
508 acpi_ut_walk_aml_resources(u8 * aml,
509 acpi_size aml_length,
510 acpi_walk_aml_callback user_function,
511 void **context);
513 acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index);
515 u32 acpi_ut_get_descriptor_length(void *aml);
517 u16 acpi_ut_get_resource_length(void *aml);
519 u8 acpi_ut_get_resource_header_length(void *aml);
521 u8 acpi_ut_get_resource_type(void *aml);
523 acpi_status
524 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
525 u8 ** end_tag);
528 * utmutex - mutex support
530 acpi_status acpi_ut_mutex_initialize(void);
532 void acpi_ut_mutex_terminate(void);
534 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
536 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
539 * utalloc - memory allocation and object caching
541 acpi_status acpi_ut_create_caches(void);
543 acpi_status acpi_ut_delete_caches(void);
545 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
547 acpi_status
548 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
549 acpi_size required_length);
551 void *acpi_ut_allocate(acpi_size size,
552 u32 component, const char *module, u32 line);
554 void *acpi_ut_allocate_zeroed(acpi_size size,
555 u32 component, const char *module, u32 line);
557 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
558 void *acpi_ut_allocate_and_track(acpi_size size,
559 u32 component, const char *module, u32 line);
561 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
562 u32 component,
563 const char *module, u32 line);
565 void
566 acpi_ut_free_and_track(void *address,
567 u32 component, const char *module, u32 line);
569 #ifdef ACPI_FUTURE_USAGE
570 void acpi_ut_dump_allocation_info(void);
571 #endif /* ACPI_FUTURE_USAGE */
573 void acpi_ut_dump_allocations(u32 component, const char *module);
575 acpi_status
576 acpi_ut_create_list(char *list_name,
577 u16 object_size, struct acpi_memory_list **return_cache);
579 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
582 * utxferror - various error/warning output functions
584 void ACPI_INTERNAL_VAR_XFACE
585 acpi_ut_predefined_warning(const char *module_name,
586 u32 line_number,
587 char *pathname,
588 u8 node_flags, const char *format, ...);
590 void ACPI_INTERNAL_VAR_XFACE
591 acpi_ut_predefined_info(const char *module_name,
592 u32 line_number,
593 char *pathname, u8 node_flags, const char *format, ...);
595 void
596 acpi_ut_namespace_error(const char *module_name,
597 u32 line_number,
598 const char *internal_name, acpi_status lookup_status);
600 void
601 acpi_ut_method_error(const char *module_name,
602 u32 line_number,
603 const char *message,
604 struct acpi_namespace_node *node,
605 const char *path, acpi_status lookup_status);
607 #endif /* _ACUTILS_H */