xref: /openbmc/linux/drivers/acpi/acpica/acutils.h (revision 703e7713)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5  *
6  * Copyright (C) 2000 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef _ACUTILS_H
11 #define _ACUTILS_H
12 
13 extern const u8 acpi_gbl_resource_aml_sizes[];
14 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
15 
16 /* Strings used by the disassembler and debugger resource dump routines */
17 
18 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
19 
20 extern const char *acpi_gbl_bm_decode[];
21 extern const char *acpi_gbl_config_decode[];
22 extern const char *acpi_gbl_consume_decode[];
23 extern const char *acpi_gbl_dec_decode[];
24 extern const char *acpi_gbl_he_decode[];
25 extern const char *acpi_gbl_io_decode[];
26 extern const char *acpi_gbl_ll_decode[];
27 extern const char *acpi_gbl_max_decode[];
28 extern const char *acpi_gbl_mem_decode[];
29 extern const char *acpi_gbl_min_decode[];
30 extern const char *acpi_gbl_mtp_decode[];
31 extern const char *acpi_gbl_phy_decode[];
32 extern const char *acpi_gbl_rng_decode[];
33 extern const char *acpi_gbl_rw_decode[];
34 extern const char *acpi_gbl_shr_decode[];
35 extern const char *acpi_gbl_siz_decode[];
36 extern const char *acpi_gbl_trs_decode[];
37 extern const char *acpi_gbl_ttp_decode[];
38 extern const char *acpi_gbl_typ_decode[];
39 extern const char *acpi_gbl_ppc_decode[];
40 extern const char *acpi_gbl_ior_decode[];
41 extern const char *acpi_gbl_dts_decode[];
42 extern const char *acpi_gbl_ct_decode[];
43 extern const char *acpi_gbl_sbt_decode[];
44 extern const char *acpi_gbl_am_decode[];
45 extern const char *acpi_gbl_sm_decode[];
46 extern const char *acpi_gbl_wm_decode[];
47 extern const char *acpi_gbl_cph_decode[];
48 extern const char *acpi_gbl_cpo_decode[];
49 extern const char *acpi_gbl_dp_decode[];
50 extern const char *acpi_gbl_ed_decode[];
51 extern const char *acpi_gbl_bpb_decode[];
52 extern const char *acpi_gbl_sb_decode[];
53 extern const char *acpi_gbl_fc_decode[];
54 extern const char *acpi_gbl_pt_decode[];
55 extern const char *acpi_gbl_ptyp_decode[];
56 extern const char *acpi_gbl_clock_input_mode[];
57 extern const char *acpi_gbl_clock_input_scale[];
58 #endif
59 
60 /*
61  * For the iASL compiler case, the output is redirected to stderr so that
62  * any of the various ACPI errors and warnings do not appear in the output
63  * files, for either the compiler or disassembler portions of the tool.
64  */
65 #ifdef ACPI_ASL_COMPILER
66 
67 #include <stdio.h>
68 
69 #define ACPI_MSG_REDIRECT_BEGIN \
70 	FILE                            *output_file = acpi_gbl_output_file; \
71 	acpi_os_redirect_output (stderr);
72 
73 #define ACPI_MSG_REDIRECT_END \
74 	acpi_os_redirect_output (output_file);
75 
76 #else
77 /*
78  * non-iASL case - no redirection, nothing to do
79  */
80 #define ACPI_MSG_REDIRECT_BEGIN
81 #define ACPI_MSG_REDIRECT_END
82 #endif
83 
84 /*
85  * Common error message prefixes
86  */
87 #ifndef ACPI_MSG_ERROR
88 #define ACPI_MSG_ERROR          "ACPI Error: "
89 #endif
90 #ifndef ACPI_MSG_WARNING
91 #define ACPI_MSG_WARNING        "ACPI Warning: "
92 #endif
93 #ifndef ACPI_MSG_INFO
94 #define ACPI_MSG_INFO           "ACPI: "
95 #endif
96 
97 #ifndef ACPI_MSG_BIOS_ERROR
98 #define ACPI_MSG_BIOS_ERROR     "Firmware Error (ACPI): "
99 #endif
100 #ifndef ACPI_MSG_BIOS_WARNING
101 #define ACPI_MSG_BIOS_WARNING   "Firmware Warning (ACPI): "
102 #endif
103 
104 /*
105  * Common message suffix
106  */
107 #define ACPI_MSG_SUFFIX \
108 	acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
109 
110 /* Flags to indicate implicit or explicit string-to-integer conversion */
111 
112 #define ACPI_IMPLICIT_CONVERSION        TRUE
113 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
114 
115 /* Types for Resource descriptor entries */
116 
117 #define ACPI_INVALID_RESOURCE           0
118 #define ACPI_FIXED_LENGTH               1
119 #define ACPI_VARIABLE_LENGTH            2
120 #define ACPI_SMALL_VARIABLE_LENGTH      3
121 
122 typedef
123 acpi_status (*acpi_walk_aml_callback) (u8 *aml,
124 				       u32 length,
125 				       u32 offset,
126 				       u8 resource_index, void **context);
127 
128 typedef
129 acpi_status (*acpi_pkg_callback) (u8 object_type,
130 				  union acpi_operand_object * source_object,
131 				  union acpi_generic_state * state,
132 				  void *context);
133 
134 struct acpi_pkg_info {
135 	u8 *free_space;
136 	acpi_size length;
137 	u32 object_space;
138 	u32 num_packages;
139 };
140 
141 /* Object reference counts */
142 
143 #define REF_INCREMENT       (u16) 0
144 #define REF_DECREMENT       (u16) 1
145 
146 /* acpi_ut_dump_buffer */
147 
148 #define DB_BYTE_DISPLAY      0x01
149 #define DB_WORD_DISPLAY      0x02
150 #define DB_DWORD_DISPLAY     0x04
151 #define DB_QWORD_DISPLAY     0x08
152 #define DB_DISPLAY_DATA_ONLY 0x10
153 
154 /*
155  * utascii - ASCII utilities
156  */
157 u8 acpi_ut_valid_nameseg(char *signature);
158 
159 u8 acpi_ut_valid_name_char(char character, u32 position);
160 
161 void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count);
162 
163 /*
164  * utcksum - Checksum utilities
165  */
166 u8 acpi_ut_generate_checksum(void *table, u32 length, u8 original_checksum);
167 
168 u8 acpi_ut_checksum(u8 *buffer, u32 length);
169 
170 acpi_status
171 acpi_ut_verify_cdat_checksum(struct acpi_table_cdat *cdat_table, u32 length);
172 
173 acpi_status
174 acpi_ut_verify_checksum(struct acpi_table_header *table, u32 length);
175 
176 /*
177  * utnonansi - Non-ANSI C library functions
178  */
179 void acpi_ut_strupr(char *src_string);
180 
181 void acpi_ut_strlwr(char *src_string);
182 
183 int acpi_ut_stricmp(char *string1, char *string2);
184 
185 /*
186  * utstrsuppt - string-to-integer conversion support functions
187  */
188 acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value);
189 
190 acpi_status acpi_ut_convert_decimal_string(char *string, u64 *return_value_ptr);
191 
192 acpi_status acpi_ut_convert_hex_string(char *string, u64 *return_value_ptr);
193 
194 char acpi_ut_remove_whitespace(char **string);
195 
196 char acpi_ut_remove_leading_zeros(char **string);
197 
198 u8 acpi_ut_detect_hex_prefix(char **string);
199 
200 void acpi_ut_remove_hex_prefix(char **string);
201 
202 u8 acpi_ut_detect_octal_prefix(char **string);
203 
204 /*
205  * utstrtoul64 - string-to-integer conversion functions
206  */
207 acpi_status acpi_ut_strtoul64(char *string, u64 *ret_integer);
208 
209 u64 acpi_ut_explicit_strtoul64(char *string);
210 
211 u64 acpi_ut_implicit_strtoul64(char *string);
212 
213 /*
214  * utglobal - Global data structures and procedures
215  */
216 acpi_status acpi_ut_init_globals(void);
217 
218 const char *acpi_ut_get_mutex_name(u32 mutex_id);
219 
220 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
221 
222 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
223 #endif
224 
225 const char *acpi_ut_get_type_name(acpi_object_type type);
226 
227 const char *acpi_ut_get_node_name(void *object);
228 
229 const char *acpi_ut_get_descriptor_name(void *object);
230 
231 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
232 
233 const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
234 
235 const char *acpi_ut_get_region_name(u8 space_id);
236 
237 const char *acpi_ut_get_event_name(u32 event_id);
238 
239 const char *acpi_ut_get_argument_type_name(u32 arg_type);
240 
241 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
242 
243 acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte);
244 
245 u8 acpi_ut_ascii_char_to_hex(int hex_char);
246 
247 u8 acpi_ut_valid_object_type(acpi_object_type type);
248 
249 /*
250  * utinit - miscellaneous initialization and shutdown
251  */
252 acpi_status acpi_ut_hardware_initialize(void);
253 
254 void acpi_ut_subsystem_shutdown(void);
255 
256 /*
257  * utcopy - Object construction and conversion interfaces
258  */
259 acpi_status
260 acpi_ut_build_simple_object(union acpi_operand_object *obj,
261 			    union acpi_object *user_obj,
262 			    u8 *data_space, u32 *buffer_space_used);
263 
264 acpi_status
265 acpi_ut_build_package_object(union acpi_operand_object *obj,
266 			     u8 *buffer, u32 *space_used);
267 
268 acpi_status
269 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
270 				struct acpi_buffer *ret_buffer);
271 
272 acpi_status
273 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
274 				union acpi_operand_object **internal_obj);
275 
276 acpi_status
277 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
278 				union acpi_operand_object *dest_obj);
279 
280 acpi_status
281 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
282 				union acpi_operand_object **dest_desc,
283 				struct acpi_walk_state *walk_state);
284 
285 /*
286  * utcreate - Object creation
287  */
288 acpi_status
289 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
290 
291 /*
292  * utdebug - Debug interfaces
293  */
294 void acpi_ut_init_stack_ptr_trace(void);
295 
296 void acpi_ut_track_stack_ptr(void);
297 
298 void
299 acpi_ut_trace(u32 line_number,
300 	      const char *function_name,
301 	      const char *module_name, u32 component_id);
302 
303 void
304 acpi_ut_trace_ptr(u32 line_number,
305 		  const char *function_name,
306 		  const char *module_name,
307 		  u32 component_id, const void *pointer);
308 
309 void
310 acpi_ut_trace_u32(u32 line_number,
311 		  const char *function_name,
312 		  const char *module_name, u32 component_id, u32 integer);
313 
314 void
315 acpi_ut_trace_str(u32 line_number,
316 		  const char *function_name,
317 		  const char *module_name,
318 		  u32 component_id, const char *string);
319 
320 void
321 acpi_ut_exit(u32 line_number,
322 	     const char *function_name,
323 	     const char *module_name, u32 component_id);
324 
325 void
326 acpi_ut_status_exit(u32 line_number,
327 		    const char *function_name,
328 		    const char *module_name,
329 		    u32 component_id, acpi_status status);
330 
331 void
332 acpi_ut_value_exit(u32 line_number,
333 		   const char *function_name,
334 		   const char *module_name, u32 component_id, u64 value);
335 
336 void
337 acpi_ut_ptr_exit(u32 line_number,
338 		 const char *function_name,
339 		 const char *module_name, u32 component_id, u8 *ptr);
340 
341 void
342 acpi_ut_str_exit(u32 line_number,
343 		 const char *function_name,
344 		 const char *module_name, u32 component_id, const char *string);
345 
346 void
347 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
348 
349 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
350 
351 #ifdef ACPI_APPLICATION
352 void
353 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
354 			    u8 *buffer,
355 			    u32 count, u32 display, u32 base_offset);
356 #endif
357 
358 void acpi_ut_report_error(char *module_name, u32 line_number);
359 
360 void acpi_ut_report_info(char *module_name, u32 line_number);
361 
362 void acpi_ut_report_warning(char *module_name, u32 line_number);
363 
364 /*
365  * utdelete - Object deletion and reference counts
366  */
367 void acpi_ut_add_reference(union acpi_operand_object *object);
368 
369 void acpi_ut_remove_reference(union acpi_operand_object *object);
370 
371 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
372 
373 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
374 
375 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
376 
377 /*
378  * uteval - object evaluation
379  */
380 acpi_status
381 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
382 			const char *path,
383 			u32 expected_return_btypes,
384 			union acpi_operand_object **return_desc);
385 
386 acpi_status
387 acpi_ut_evaluate_numeric_object(const char *object_name,
388 				struct acpi_namespace_node *device_node,
389 				u64 *value);
390 
391 acpi_status
392 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
393 
394 acpi_status
395 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
396 			      const char **method_names,
397 			      u8 method_count, u8 *out_values);
398 
399 /*
400  * utids - device ID support
401  */
402 acpi_status
403 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
404 		    struct acpi_pnp_device_id ** return_id);
405 
406 acpi_status
407 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
408 		    struct acpi_pnp_device_id ** return_id);
409 
410 acpi_status
411 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
412 		    struct acpi_pnp_device_id_list ** return_cid_list);
413 
414 acpi_status
415 acpi_ut_execute_CLS(struct acpi_namespace_node *device_node,
416 		    struct acpi_pnp_device_id **return_id);
417 
418 /*
419  * utlock - reader/writer locks
420  */
421 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
422 
423 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
424 
425 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
426 
427 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
428 
429 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
430 
431 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
432 
433 /*
434  * utobject - internal object create/delete/cache routines
435  */
436 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
437 							      *module_name,
438 							      u32 line_number,
439 							      u32 component_id,
440 							      acpi_object_type
441 							      type);
442 
443 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
444 				       u32 line_number, u32 component_id);
445 
446 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
447 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
448 
449 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
450 
451 u8 acpi_ut_valid_internal_object(void *object);
452 
453 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
454 
455 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
456 
457 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
458 
459 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
460 
461 acpi_status
462 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length);
463 
464 /*
465  * utosi - Support for the _OSI predefined control method
466  */
467 acpi_status acpi_ut_initialize_interfaces(void);
468 
469 acpi_status acpi_ut_interface_terminate(void);
470 
471 acpi_status acpi_ut_install_interface(acpi_string interface_name);
472 
473 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
474 
475 acpi_status acpi_ut_update_interfaces(u8 action);
476 
477 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
478 
479 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
480 
481 /*
482  * utpredef - support for predefined names
483  */
484 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
485 								     acpi_predefined_info
486 								     *this_name);
487 
488 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
489 
490 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
491 
492 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
493 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
494 
495 void
496 acpi_ut_display_predefined_method(char *buffer,
497 				  const union acpi_predefined_info *this_name,
498 				  u8 multi_line);
499 
500 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
501 #endif
502 
503 /*
504  * utstate - Generic state creation/cache routines
505  */
506 void
507 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
508 			   union acpi_generic_state *state);
509 
510 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
511 						    **list_head);
512 
513 union acpi_generic_state *acpi_ut_create_generic_state(void);
514 
515 struct acpi_thread_state *acpi_ut_create_thread_state(void);
516 
517 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
518 						      *object, u16 action);
519 
520 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
521 						   void *external_object,
522 						   u32 index);
523 
524 acpi_status
525 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
526 				     u16 action,
527 				     union acpi_generic_state **state_list);
528 
529 union acpi_generic_state *acpi_ut_create_control_state(void);
530 
531 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
532 
533 /*
534  * utmath
535  */
536 acpi_status
537 acpi_ut_divide(u64 in_dividend,
538 	       u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
539 
540 acpi_status
541 acpi_ut_short_divide(u64 in_dividend,
542 		     u32 divisor, u64 *out_quotient, u32 *out_remainder);
543 
544 acpi_status
545 acpi_ut_short_multiply(u64 in_multiplicand, u32 multiplier, u64 *outproduct);
546 
547 acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result);
548 
549 acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result);
550 
551 /*
552  * utmisc
553  */
554 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
555 							     status);
556 
557 u8 acpi_ut_is_pci_root_bridge(char *id);
558 
559 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
560 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
561 #endif
562 
563 acpi_status
564 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
565 			  void *target_object,
566 			  acpi_pkg_callback walk_callback, void *context);
567 
568 /* Values for Base above (16=Hex, 10=Decimal) */
569 
570 #define ACPI_ANY_BASE        0
571 
572 u32 acpi_ut_dword_byte_swap(u32 value);
573 
574 void acpi_ut_set_integer_width(u8 revision);
575 
576 #ifdef ACPI_DEBUG_OUTPUT
577 void
578 acpi_ut_display_init_pathname(u8 type,
579 			      struct acpi_namespace_node *obj_handle,
580 			      const char *path);
581 #endif
582 
583 /*
584  * utownerid - Support for Table/Method Owner IDs
585  */
586 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id);
587 
588 void acpi_ut_release_owner_id(acpi_owner_id *owner_id);
589 
590 /*
591  * utresrc
592  */
593 acpi_status
594 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
595 			   u8 *aml,
596 			   acpi_size aml_length,
597 			   acpi_walk_aml_callback user_function,
598 			   void **context);
599 
600 acpi_status
601 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
602 			  void *aml, u8 *return_index);
603 
604 u32 acpi_ut_get_descriptor_length(void *aml);
605 
606 u16 acpi_ut_get_resource_length(void *aml);
607 
608 u8 acpi_ut_get_resource_header_length(void *aml);
609 
610 u8 acpi_ut_get_resource_type(void *aml);
611 
612 acpi_status
613 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
614 
615 /*
616  * utstring - String and character utilities
617  */
618 void acpi_ut_print_string(char *string, u16 max_length);
619 
620 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
621 void ut_convert_backslashes(char *pathname);
622 #endif
623 
624 void acpi_ut_repair_name(char *name);
625 
626 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
627 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
628 
629 void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size);
630 
631 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
632 
633 u8
634 acpi_ut_safe_strncat(char *dest,
635 		     acpi_size dest_size,
636 		     char *source, acpi_size max_transfer_length);
637 #endif
638 
639 /*
640  * utmutex - mutex support
641  */
642 acpi_status acpi_ut_mutex_initialize(void);
643 
644 void acpi_ut_mutex_terminate(void);
645 
646 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
647 
648 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
649 
650 /*
651  * utalloc - memory allocation and object caching
652  */
653 acpi_status acpi_ut_create_caches(void);
654 
655 acpi_status acpi_ut_delete_caches(void);
656 
657 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
658 
659 acpi_status
660 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
661 			  acpi_size required_length);
662 
663 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
664 void *acpi_ut_allocate_and_track(acpi_size size,
665 				 u32 component, const char *module, u32 line);
666 
667 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
668 					u32 component,
669 					const char *module, u32 line);
670 
671 void
672 acpi_ut_free_and_track(void *address,
673 		       u32 component, const char *module, u32 line);
674 
675 void acpi_ut_dump_allocation_info(void);
676 
677 void acpi_ut_dump_allocations(u32 component, const char *module);
678 
679 acpi_status
680 acpi_ut_create_list(const char *list_name,
681 		    u16 object_size, struct acpi_memory_list **return_cache);
682 
683 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
684 
685 /*
686  * utaddress - address range check
687  */
688 acpi_status
689 acpi_ut_add_address_range(acpi_adr_space_type space_id,
690 			  acpi_physical_address address,
691 			  u32 length, struct acpi_namespace_node *region_node);
692 
693 void
694 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
695 			     struct acpi_namespace_node *region_node);
696 
697 u32
698 acpi_ut_check_address_range(acpi_adr_space_type space_id,
699 			    acpi_physical_address address, u32 length, u8 warn);
700 
701 void acpi_ut_delete_address_lists(void);
702 
703 /*
704  * utxferror - various error/warning output functions
705  */
706 ACPI_PRINTF_LIKE(5)
707 void ACPI_INTERNAL_VAR_XFACE
708 acpi_ut_predefined_warning(const char *module_name,
709 			   u32 line_number,
710 			   char *pathname,
711 			   u16 node_flags, const char *format, ...);
712 
713 ACPI_PRINTF_LIKE(5)
714 void ACPI_INTERNAL_VAR_XFACE
715 acpi_ut_predefined_info(const char *module_name,
716 			u32 line_number,
717 			char *pathname,
718 			u16 node_flags, const char *format, ...);
719 
720 ACPI_PRINTF_LIKE(5)
721 void ACPI_INTERNAL_VAR_XFACE
722 acpi_ut_predefined_bios_error(const char *module_name,
723 			      u32 line_number,
724 			      char *pathname,
725 			      u16 node_flags, const char *format, ...);
726 
727 void
728 acpi_ut_prefixed_namespace_error(const char *module_name,
729 				 u32 line_number,
730 				 union acpi_generic_state *prefix_scope,
731 				 const char *internal_name,
732 				 acpi_status lookup_status);
733 
734 void
735 acpi_ut_method_error(const char *module_name,
736 		     u32 line_number,
737 		     const char *message,
738 		     struct acpi_namespace_node *node,
739 		     const char *path, acpi_status lookup_status);
740 
741 /*
742  * Utility functions for ACPI names and IDs
743  */
744 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
745 
746 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
747 
748 const char *acpi_ah_match_uuid(u8 *data);
749 
750 /*
751  * utuuid -- UUID support functions
752  */
753 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
754 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
755 
756 acpi_status acpi_ut_convert_uuid_to_string(char *uuid_buffer, char *out_string);
757 #endif
758 
759 #endif				/* _ACUTILS_H */
760