xref: /openbmc/linux/drivers/acpi/acpica/acutils.h (revision d2999e1b)
1 /******************************************************************************
2  *
3  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2014, 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 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
49 
50 /* Strings used by the disassembler and debugger resource dump routines */
51 
52 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
53 
54 extern const char *acpi_gbl_bm_decode[];
55 extern const char *acpi_gbl_config_decode[];
56 extern const char *acpi_gbl_consume_decode[];
57 extern const char *acpi_gbl_dec_decode[];
58 extern const char *acpi_gbl_he_decode[];
59 extern const char *acpi_gbl_io_decode[];
60 extern const char *acpi_gbl_ll_decode[];
61 extern const char *acpi_gbl_max_decode[];
62 extern const char *acpi_gbl_mem_decode[];
63 extern const char *acpi_gbl_min_decode[];
64 extern const char *acpi_gbl_mtp_decode[];
65 extern const char *acpi_gbl_rng_decode[];
66 extern const char *acpi_gbl_rw_decode[];
67 extern const char *acpi_gbl_shr_decode[];
68 extern const char *acpi_gbl_siz_decode[];
69 extern const char *acpi_gbl_trs_decode[];
70 extern const char *acpi_gbl_ttp_decode[];
71 extern const char *acpi_gbl_typ_decode[];
72 extern const char *acpi_gbl_ppc_decode[];
73 extern const char *acpi_gbl_ior_decode[];
74 extern const char *acpi_gbl_dts_decode[];
75 extern const char *acpi_gbl_ct_decode[];
76 extern const char *acpi_gbl_sbt_decode[];
77 extern const char *acpi_gbl_am_decode[];
78 extern const char *acpi_gbl_sm_decode[];
79 extern const char *acpi_gbl_wm_decode[];
80 extern const char *acpi_gbl_cph_decode[];
81 extern const char *acpi_gbl_cpo_decode[];
82 extern const char *acpi_gbl_dp_decode[];
83 extern const char *acpi_gbl_ed_decode[];
84 extern const char *acpi_gbl_bpb_decode[];
85 extern const char *acpi_gbl_sb_decode[];
86 extern const char *acpi_gbl_fc_decode[];
87 extern const char *acpi_gbl_pt_decode[];
88 #endif
89 
90 /*
91  * For the iASL compiler case, the output is redirected to stderr so that
92  * any of the various ACPI errors and warnings do not appear in the output
93  * files, for either the compiler or disassembler portions of the tool.
94  */
95 #ifdef ACPI_ASL_COMPILER
96 
97 #include <stdio.h>
98 extern FILE *acpi_gbl_output_file;
99 
100 #define ACPI_MSG_REDIRECT_BEGIN \
101 	FILE                            *output_file = acpi_gbl_output_file; \
102 	acpi_os_redirect_output (stderr);
103 
104 #define ACPI_MSG_REDIRECT_END \
105 	acpi_os_redirect_output (output_file);
106 
107 #else
108 /*
109  * non-iASL case - no redirection, nothing to do
110  */
111 #define ACPI_MSG_REDIRECT_BEGIN
112 #define ACPI_MSG_REDIRECT_END
113 #endif
114 
115 /*
116  * Common error message prefixes
117  */
118 #define ACPI_MSG_ERROR          "ACPI Error: "
119 #define ACPI_MSG_EXCEPTION      "ACPI Exception: "
120 #define ACPI_MSG_WARNING        "ACPI Warning: "
121 #define ACPI_MSG_INFO           "ACPI: "
122 
123 #define ACPI_MSG_BIOS_ERROR     "ACPI BIOS Error (bug): "
124 #define ACPI_MSG_BIOS_WARNING   "ACPI BIOS Warning (bug): "
125 
126 /*
127  * Common message suffix
128  */
129 #define ACPI_MSG_SUFFIX \
130 	acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
131 
132 /* Types for Resource descriptor entries */
133 
134 #define ACPI_INVALID_RESOURCE           0
135 #define ACPI_FIXED_LENGTH               1
136 #define ACPI_VARIABLE_LENGTH            2
137 #define ACPI_SMALL_VARIABLE_LENGTH      3
138 
139 typedef
140 acpi_status(*acpi_walk_aml_callback) (u8 *aml,
141 				      u32 length,
142 				      u32 offset,
143 				      u8 resource_index, void **context);
144 
145 typedef
146 acpi_status(*acpi_pkg_callback) (u8 object_type,
147 				 union acpi_operand_object *source_object,
148 				 union acpi_generic_state * state,
149 				 void *context);
150 
151 struct acpi_pkg_info {
152 	u8 *free_space;
153 	acpi_size length;
154 	u32 object_space;
155 	u32 num_packages;
156 };
157 
158 /* Object reference counts */
159 
160 #define REF_INCREMENT       (u16) 0
161 #define REF_DECREMENT       (u16) 1
162 
163 /* acpi_ut_dump_buffer */
164 
165 #define DB_BYTE_DISPLAY     1
166 #define DB_WORD_DISPLAY     2
167 #define DB_DWORD_DISPLAY    4
168 #define DB_QWORD_DISPLAY    8
169 
170 /*
171  * utglobal - Global data structures and procedures
172  */
173 acpi_status acpi_ut_init_globals(void);
174 
175 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
176 
177 char *acpi_ut_get_mutex_name(u32 mutex_id);
178 
179 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
180 #endif
181 
182 char *acpi_ut_get_type_name(acpi_object_type type);
183 
184 char *acpi_ut_get_node_name(void *object);
185 
186 char *acpi_ut_get_descriptor_name(void *object);
187 
188 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
189 
190 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
191 
192 char *acpi_ut_get_region_name(u8 space_id);
193 
194 char *acpi_ut_get_event_name(u32 event_id);
195 
196 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
197 
198 u8 acpi_ut_valid_object_type(acpi_object_type type);
199 
200 /*
201  * utinit - miscellaneous initialization and shutdown
202  */
203 acpi_status acpi_ut_hardware_initialize(void);
204 
205 void acpi_ut_subsystem_shutdown(void);
206 
207 /*
208  * utclib - Local implementations of C library functions
209  */
210 #ifndef ACPI_USE_SYSTEM_CLIBRARY
211 
212 acpi_size acpi_ut_strlen(const char *string);
213 
214 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
215 
216 char *acpi_ut_strncpy(char *dst_string,
217 		      const char *src_string, acpi_size count);
218 
219 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
220 
221 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
222 
223 int acpi_ut_strcmp(const char *string1, const char *string2);
224 
225 char *acpi_ut_strcat(char *dst_string, const char *src_string);
226 
227 char *acpi_ut_strncat(char *dst_string,
228 		      const char *src_string, acpi_size count);
229 
230 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
231 
232 char *acpi_ut_strstr(char *string1, char *string2);
233 
234 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
235 
236 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
237 
238 int acpi_ut_to_upper(int c);
239 
240 int acpi_ut_to_lower(int c);
241 
242 extern const u8 _acpi_ctype[];
243 
244 #define _ACPI_XA     0x00	/* extra alphabetic - not supported */
245 #define _ACPI_XS     0x40	/* extra space */
246 #define _ACPI_BB     0x00	/* BEL, BS, etc. - not supported */
247 #define _ACPI_CN     0x20	/* CR, FF, HT, NL, VT */
248 #define _ACPI_DI     0x04	/* '0'-'9' */
249 #define _ACPI_LO     0x02	/* 'a'-'z' */
250 #define _ACPI_PU     0x10	/* punctuation */
251 #define _ACPI_SP     0x08	/* space */
252 #define _ACPI_UP     0x01	/* 'A'-'Z' */
253 #define _ACPI_XD     0x80	/* '0'-'9', 'A'-'F', 'a'-'f' */
254 
255 #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
256 #define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
257 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
258 #define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
259 #define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
260 #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
261 #define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
262 
263 #endif				/* !ACPI_USE_SYSTEM_CLIBRARY */
264 
265 #define ACPI_IS_ASCII(c)  ((c) < 0x80)
266 
267 /*
268  * utcopy - Object construction and conversion interfaces
269  */
270 acpi_status
271 acpi_ut_build_simple_object(union acpi_operand_object *obj,
272 			    union acpi_object *user_obj,
273 			    u8 *data_space, u32 *buffer_space_used);
274 
275 acpi_status
276 acpi_ut_build_package_object(union acpi_operand_object *obj,
277 			     u8 *buffer, u32 *space_used);
278 
279 acpi_status
280 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
281 				struct acpi_buffer *ret_buffer);
282 
283 acpi_status
284 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
285 				union acpi_operand_object **internal_obj);
286 
287 acpi_status
288 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
289 				union acpi_operand_object *dest_obj);
290 
291 acpi_status
292 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
293 				union acpi_operand_object **dest_desc,
294 				struct acpi_walk_state *walk_state);
295 
296 /*
297  * utcreate - Object creation
298  */
299 acpi_status
300 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
301 
302 /*
303  * utdebug - Debug interfaces
304  */
305 void acpi_ut_init_stack_ptr_trace(void);
306 
307 void acpi_ut_track_stack_ptr(void);
308 
309 void
310 acpi_ut_trace(u32 line_number,
311 	      const char *function_name,
312 	      const char *module_name, u32 component_id);
313 
314 void
315 acpi_ut_trace_ptr(u32 line_number,
316 		  const char *function_name,
317 		  const char *module_name, u32 component_id, void *pointer);
318 
319 void
320 acpi_ut_trace_u32(u32 line_number,
321 		  const char *function_name,
322 		  const char *module_name, u32 component_id, u32 integer);
323 
324 void
325 acpi_ut_trace_str(u32 line_number,
326 		  const char *function_name,
327 		  const char *module_name, u32 component_id, char *string);
328 
329 void
330 acpi_ut_exit(u32 line_number,
331 	     const char *function_name,
332 	     const char *module_name, u32 component_id);
333 
334 void
335 acpi_ut_status_exit(u32 line_number,
336 		    const char *function_name,
337 		    const char *module_name,
338 		    u32 component_id, acpi_status status);
339 
340 void
341 acpi_ut_value_exit(u32 line_number,
342 		   const char *function_name,
343 		   const char *module_name, u32 component_id, u64 value);
344 
345 void
346 acpi_ut_ptr_exit(u32 line_number,
347 		 const char *function_name,
348 		 const char *module_name, u32 component_id, u8 *ptr);
349 
350 void
351 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
352 
353 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
354 
355 void acpi_ut_report_error(char *module_name, u32 line_number);
356 
357 void acpi_ut_report_info(char *module_name, u32 line_number);
358 
359 void acpi_ut_report_warning(char *module_name, u32 line_number);
360 
361 /*
362  * utdelete - Object deletion and reference counts
363  */
364 void acpi_ut_add_reference(union acpi_operand_object *object);
365 
366 void acpi_ut_remove_reference(union acpi_operand_object *object);
367 
368 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
369 
370 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
371 
372 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
373 
374 /*
375  * uteval - object evaluation
376  */
377 acpi_status
378 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
379 			char *path,
380 			u32 expected_return_btypes,
381 			union acpi_operand_object **return_desc);
382 
383 acpi_status
384 acpi_ut_evaluate_numeric_object(char *object_name,
385 				struct acpi_namespace_node *device_node,
386 				u64 *value);
387 
388 acpi_status
389 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
390 
391 acpi_status
392 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
393 			      const char **method_names,
394 			      u8 method_count, u8 *out_values);
395 
396 /*
397  * utids - device ID support
398  */
399 acpi_status
400 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
401 		    struct acpi_pnp_device_id ** return_id);
402 
403 acpi_status
404 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
405 		    struct acpi_pnp_device_id ** return_id);
406 
407 acpi_status
408 acpi_ut_execute_SUB(struct acpi_namespace_node *device_node,
409 		    struct acpi_pnp_device_id **return_id);
410 
411 acpi_status
412 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
413 		    struct acpi_pnp_device_id_list ** return_cid_list);
414 
415 /*
416  * utlock - reader/writer locks
417  */
418 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
419 
420 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
421 
422 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
423 
424 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
425 
426 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
427 
428 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
429 
430 /*
431  * utobject - internal object create/delete/cache routines
432  */
433 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
434 							      *module_name,
435 							      u32 line_number,
436 							      u32 component_id,
437 							      acpi_object_type
438 							      type);
439 
440 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
441 				       u32 line_number, u32 component_id);
442 
443 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
444 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
445 
446 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
447 
448 u8 acpi_ut_valid_internal_object(void *object);
449 
450 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
451 
452 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
453 
454 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
455 
456 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
457 
458 acpi_status
459 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
460 
461 /*
462  * utosi - Support for the _OSI predefined control method
463  */
464 acpi_status acpi_ut_initialize_interfaces(void);
465 
466 acpi_status acpi_ut_interface_terminate(void);
467 
468 acpi_status acpi_ut_install_interface(acpi_string interface_name);
469 
470 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
471 
472 acpi_status acpi_ut_update_interfaces(u8 action);
473 
474 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
475 
476 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
477 
478 /*
479  * utpredef - support for predefined names
480  */
481 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
482 								     acpi_predefined_info
483 								     *this_name);
484 
485 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
486 
487 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
488 
489 void
490 acpi_ut_display_predefined_method(char *buffer,
491 				  const union acpi_predefined_info *this_name,
492 				  u8 multi_line);
493 
494 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
495 
496 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
497 
498 /*
499  * utstate - Generic state creation/cache routines
500  */
501 void
502 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
503 			   union acpi_generic_state *state);
504 
505 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
506 						    **list_head);
507 
508 union acpi_generic_state *acpi_ut_create_generic_state(void);
509 
510 struct acpi_thread_state *acpi_ut_create_thread_state(void);
511 
512 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
513 						      *object, u16 action);
514 
515 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
516 						   void *external_object,
517 						   u16 index);
518 
519 acpi_status
520 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
521 				     u16 action,
522 				     union acpi_generic_state **state_list);
523 
524 #ifdef	ACPI_FUTURE_USAGE
525 acpi_status
526 acpi_ut_create_pkg_state_and_push(void *internal_object,
527 				  void *external_object,
528 				  u16 index,
529 				  union acpi_generic_state **state_list);
530 #endif				/* ACPI_FUTURE_USAGE */
531 
532 union acpi_generic_state *acpi_ut_create_control_state(void);
533 
534 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
535 
536 /*
537  * utmath
538  */
539 acpi_status
540 acpi_ut_divide(u64 in_dividend,
541 	       u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
542 
543 acpi_status
544 acpi_ut_short_divide(u64 in_dividend,
545 		     u32 divisor, u64 *out_quotient, u32 *out_remainder);
546 
547 /*
548  * utmisc
549  */
550 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
551 							     status);
552 
553 u8 acpi_ut_is_pci_root_bridge(char *id);
554 
555 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
556 
557 acpi_status
558 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
559 			  void *target_object,
560 			  acpi_pkg_callback walk_callback, void *context);
561 
562 /* Values for Base above (16=Hex, 10=Decimal) */
563 
564 #define ACPI_ANY_BASE        0
565 
566 u32 acpi_ut_dword_byte_swap(u32 value);
567 
568 void acpi_ut_set_integer_width(u8 revision);
569 
570 #ifdef ACPI_DEBUG_OUTPUT
571 void
572 acpi_ut_display_init_pathname(u8 type,
573 			      struct acpi_namespace_node *obj_handle,
574 			      char *path);
575 #endif
576 
577 /*
578  * utownerid - Support for Table/Method Owner IDs
579  */
580 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
581 
582 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
583 
584 /*
585  * utresrc
586  */
587 acpi_status
588 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
589 			   u8 *aml,
590 			   acpi_size aml_length,
591 			   acpi_walk_aml_callback user_function,
592 			   void **context);
593 
594 acpi_status
595 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
596 			  void *aml, u8 *return_index);
597 
598 u32 acpi_ut_get_descriptor_length(void *aml);
599 
600 u16 acpi_ut_get_resource_length(void *aml);
601 
602 u8 acpi_ut_get_resource_header_length(void *aml);
603 
604 u8 acpi_ut_get_resource_type(void *aml);
605 
606 acpi_status
607 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
608 
609 /*
610  * utstring - String and character utilities
611  */
612 void acpi_ut_strupr(char *src_string);
613 
614 void acpi_ut_strlwr(char *src_string);
615 
616 int acpi_ut_stricmp(char *string1, char *string2);
617 
618 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
619 
620 void acpi_ut_print_string(char *string, u16 max_length);
621 
622 void ut_convert_backslashes(char *pathname);
623 
624 u8 acpi_ut_valid_acpi_name(char *name);
625 
626 u8 acpi_ut_valid_acpi_char(char character, u32 position);
627 
628 void acpi_ut_repair_name(char *name);
629 
630 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
631 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
632 
633 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
634 
635 u8
636 acpi_ut_safe_strncat(char *dest,
637 		     acpi_size dest_size,
638 		     char *source, acpi_size max_transfer_length);
639 #endif
640 
641 /*
642  * utmutex - mutex support
643  */
644 acpi_status acpi_ut_mutex_initialize(void);
645 
646 void acpi_ut_mutex_terminate(void);
647 
648 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
649 
650 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
651 
652 /*
653  * utalloc - memory allocation and object caching
654  */
655 acpi_status acpi_ut_create_caches(void);
656 
657 acpi_status acpi_ut_delete_caches(void);
658 
659 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
660 
661 acpi_status
662 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
663 			  acpi_size required_length);
664 
665 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
666 void *acpi_ut_allocate_and_track(acpi_size size,
667 				 u32 component, const char *module, u32 line);
668 
669 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
670 					u32 component,
671 					const char *module, u32 line);
672 
673 void
674 acpi_ut_free_and_track(void *address,
675 		       u32 component, const char *module, u32 line);
676 
677 #ifdef	ACPI_FUTURE_USAGE
678 void acpi_ut_dump_allocation_info(void);
679 #endif				/* ACPI_FUTURE_USAGE */
680 
681 void acpi_ut_dump_allocations(u32 component, const char *module);
682 
683 acpi_status
684 acpi_ut_create_list(char *list_name,
685 		    u16 object_size, struct acpi_memory_list **return_cache);
686 
687 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
688 
689 /*
690  * utaddress - address range check
691  */
692 acpi_status
693 acpi_ut_add_address_range(acpi_adr_space_type space_id,
694 			  acpi_physical_address address,
695 			  u32 length, struct acpi_namespace_node *region_node);
696 
697 void
698 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
699 			     struct acpi_namespace_node *region_node);
700 
701 u32
702 acpi_ut_check_address_range(acpi_adr_space_type space_id,
703 			    acpi_physical_address address, u32 length, u8 warn);
704 
705 void acpi_ut_delete_address_lists(void);
706 
707 /*
708  * utxferror - various error/warning output functions
709  */
710 void ACPI_INTERNAL_VAR_XFACE
711 acpi_ut_predefined_warning(const char *module_name,
712 			   u32 line_number,
713 			   char *pathname,
714 			   u8 node_flags, const char *format, ...);
715 
716 void ACPI_INTERNAL_VAR_XFACE
717 acpi_ut_predefined_info(const char *module_name,
718 			u32 line_number,
719 			char *pathname, u8 node_flags, const char *format, ...);
720 
721 void ACPI_INTERNAL_VAR_XFACE
722 acpi_ut_predefined_bios_error(const char *module_name,
723 			      u32 line_number,
724 			      char *pathname,
725 			      u8 node_flags, const char *format, ...);
726 
727 void
728 acpi_ut_namespace_error(const char *module_name,
729 			u32 line_number,
730 			const char *internal_name, acpi_status lookup_status);
731 
732 void
733 acpi_ut_method_error(const char *module_name,
734 		     u32 line_number,
735 		     const char *message,
736 		     struct acpi_namespace_node *node,
737 		     const char *path, acpi_status lookup_status);
738 
739 /*
740  * Utility functions for ACPI names and IDs
741  */
742 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
743 
744 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
745 
746 #endif				/* _ACUTILS_H */
747