treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / acpi / acpica / acutils.h
blob7c89b470ec810d9b9a3e2b47b83098d0bb5c86db
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
4 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
6 * Copyright (C) 2000 - 2020, Intel Corp.
8 *****************************************************************************/
10 #ifndef _ACUTILS_H
11 #define _ACUTILS_H
13 extern const u8 acpi_gbl_resource_aml_sizes[];
14 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[];
16 /* Strings used by the disassembler and debugger resource dump routines */
18 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
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_rng_decode[];
32 extern const char *acpi_gbl_rw_decode[];
33 extern const char *acpi_gbl_shr_decode[];
34 extern const char *acpi_gbl_siz_decode[];
35 extern const char *acpi_gbl_trs_decode[];
36 extern const char *acpi_gbl_ttp_decode[];
37 extern const char *acpi_gbl_typ_decode[];
38 extern const char *acpi_gbl_ppc_decode[];
39 extern const char *acpi_gbl_ior_decode[];
40 extern const char *acpi_gbl_dts_decode[];
41 extern const char *acpi_gbl_ct_decode[];
42 extern const char *acpi_gbl_sbt_decode[];
43 extern const char *acpi_gbl_am_decode[];
44 extern const char *acpi_gbl_sm_decode[];
45 extern const char *acpi_gbl_wm_decode[];
46 extern const char *acpi_gbl_cph_decode[];
47 extern const char *acpi_gbl_cpo_decode[];
48 extern const char *acpi_gbl_dp_decode[];
49 extern const char *acpi_gbl_ed_decode[];
50 extern const char *acpi_gbl_bpb_decode[];
51 extern const char *acpi_gbl_sb_decode[];
52 extern const char *acpi_gbl_fc_decode[];
53 extern const char *acpi_gbl_pt_decode[];
54 extern const char *acpi_gbl_ptyp_decode[];
55 #endif
58 * For the iASL compiler case, the output is redirected to stderr so that
59 * any of the various ACPI errors and warnings do not appear in the output
60 * files, for either the compiler or disassembler portions of the tool.
62 #ifdef ACPI_ASL_COMPILER
64 #include <stdio.h>
66 #define ACPI_MSG_REDIRECT_BEGIN \
67 FILE *output_file = acpi_gbl_output_file; \
68 acpi_os_redirect_output (stderr);
70 #define ACPI_MSG_REDIRECT_END \
71 acpi_os_redirect_output (output_file);
73 #else
75 * non-iASL case - no redirection, nothing to do
77 #define ACPI_MSG_REDIRECT_BEGIN
78 #define ACPI_MSG_REDIRECT_END
79 #endif
82 * Common error message prefixes
84 #ifndef ACPI_MSG_ERROR
85 #define ACPI_MSG_ERROR "ACPI Error: "
86 #endif
87 #ifndef ACPI_MSG_WARNING
88 #define ACPI_MSG_WARNING "ACPI Warning: "
89 #endif
90 #ifndef ACPI_MSG_INFO
91 #define ACPI_MSG_INFO "ACPI: "
92 #endif
94 #ifndef ACPI_MSG_BIOS_ERROR
95 #define ACPI_MSG_BIOS_ERROR "Firmware Error (ACPI): "
96 #endif
97 #ifndef ACPI_MSG_BIOS_WARNING
98 #define ACPI_MSG_BIOS_WARNING "Firmware Warning (ACPI): "
99 #endif
102 * Common message suffix
104 #define ACPI_MSG_SUFFIX \
105 acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
107 /* Flags to indicate implicit or explicit string-to-integer conversion */
109 #define ACPI_IMPLICIT_CONVERSION TRUE
110 #define ACPI_NO_IMPLICIT_CONVERSION FALSE
112 /* Types for Resource descriptor entries */
114 #define ACPI_INVALID_RESOURCE 0
115 #define ACPI_FIXED_LENGTH 1
116 #define ACPI_VARIABLE_LENGTH 2
117 #define ACPI_SMALL_VARIABLE_LENGTH 3
119 typedef
120 acpi_status (*acpi_walk_aml_callback) (u8 *aml,
121 u32 length,
122 u32 offset,
123 u8 resource_index, void **context);
125 typedef
126 acpi_status (*acpi_pkg_callback) (u8 object_type,
127 union acpi_operand_object * source_object,
128 union acpi_generic_state * state,
129 void *context);
131 struct acpi_pkg_info {
132 u8 *free_space;
133 acpi_size length;
134 u32 object_space;
135 u32 num_packages;
138 /* Object reference counts */
140 #define REF_INCREMENT (u16) 0
141 #define REF_DECREMENT (u16) 1
143 /* acpi_ut_dump_buffer */
145 #define DB_BYTE_DISPLAY 0x01
146 #define DB_WORD_DISPLAY 0x02
147 #define DB_DWORD_DISPLAY 0x04
148 #define DB_QWORD_DISPLAY 0x08
149 #define DB_DISPLAY_DATA_ONLY 0x10
152 * utascii - ASCII utilities
154 u8 acpi_ut_valid_nameseg(char *signature);
156 u8 acpi_ut_valid_name_char(char character, u32 position);
158 void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count);
161 * utnonansi - Non-ANSI C library functions
163 void acpi_ut_strupr(char *src_string);
165 void acpi_ut_strlwr(char *src_string);
167 int acpi_ut_stricmp(char *string1, char *string2);
170 * utstrsuppt - string-to-integer conversion support functions
172 acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value);
174 acpi_status acpi_ut_convert_decimal_string(char *string, u64 *return_value_ptr);
176 acpi_status acpi_ut_convert_hex_string(char *string, u64 *return_value_ptr);
178 char acpi_ut_remove_whitespace(char **string);
180 char acpi_ut_remove_leading_zeros(char **string);
182 u8 acpi_ut_detect_hex_prefix(char **string);
184 void acpi_ut_remove_hex_prefix(char **string);
186 u8 acpi_ut_detect_octal_prefix(char **string);
189 * utstrtoul64 - string-to-integer conversion functions
191 acpi_status acpi_ut_strtoul64(char *string, u64 *ret_integer);
193 u64 acpi_ut_explicit_strtoul64(char *string);
195 u64 acpi_ut_implicit_strtoul64(char *string);
198 * utglobal - Global data structures and procedures
200 acpi_status acpi_ut_init_globals(void);
202 const char *acpi_ut_get_mutex_name(u32 mutex_id);
204 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
206 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
207 #endif
209 const char *acpi_ut_get_type_name(acpi_object_type type);
211 const char *acpi_ut_get_node_name(void *object);
213 const char *acpi_ut_get_descriptor_name(void *object);
215 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
217 const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
219 const char *acpi_ut_get_region_name(u8 space_id);
221 const char *acpi_ut_get_event_name(u32 event_id);
223 const char *acpi_ut_get_argument_type_name(u32 arg_type);
225 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
227 acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte);
229 u8 acpi_ut_ascii_char_to_hex(int hex_char);
231 u8 acpi_ut_valid_object_type(acpi_object_type type);
234 * utinit - miscellaneous initialization and shutdown
236 acpi_status acpi_ut_hardware_initialize(void);
238 void acpi_ut_subsystem_shutdown(void);
241 * utcopy - Object construction and conversion interfaces
243 acpi_status
244 acpi_ut_build_simple_object(union acpi_operand_object *obj,
245 union acpi_object *user_obj,
246 u8 *data_space, u32 *buffer_space_used);
248 acpi_status
249 acpi_ut_build_package_object(union acpi_operand_object *obj,
250 u8 *buffer, u32 *space_used);
252 acpi_status
253 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
254 struct acpi_buffer *ret_buffer);
256 acpi_status
257 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
258 union acpi_operand_object **internal_obj);
260 acpi_status
261 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
262 union acpi_operand_object *dest_obj);
264 acpi_status
265 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
266 union acpi_operand_object **dest_desc,
267 struct acpi_walk_state *walk_state);
270 * utcreate - Object creation
272 acpi_status
273 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
276 * utdebug - Debug interfaces
278 void acpi_ut_init_stack_ptr_trace(void);
280 void acpi_ut_track_stack_ptr(void);
282 void
283 acpi_ut_trace(u32 line_number,
284 const char *function_name,
285 const char *module_name, u32 component_id);
287 void
288 acpi_ut_trace_ptr(u32 line_number,
289 const char *function_name,
290 const char *module_name,
291 u32 component_id, const void *pointer);
293 void
294 acpi_ut_trace_u32(u32 line_number,
295 const char *function_name,
296 const char *module_name, u32 component_id, u32 integer);
298 void
299 acpi_ut_trace_str(u32 line_number,
300 const char *function_name,
301 const char *module_name,
302 u32 component_id, const char *string);
304 void
305 acpi_ut_exit(u32 line_number,
306 const char *function_name,
307 const char *module_name, u32 component_id);
309 void
310 acpi_ut_status_exit(u32 line_number,
311 const char *function_name,
312 const char *module_name,
313 u32 component_id, acpi_status status);
315 void
316 acpi_ut_value_exit(u32 line_number,
317 const char *function_name,
318 const char *module_name, u32 component_id, u64 value);
320 void
321 acpi_ut_ptr_exit(u32 line_number,
322 const char *function_name,
323 const char *module_name, u32 component_id, u8 *ptr);
325 void
326 acpi_ut_str_exit(u32 line_number,
327 const char *function_name,
328 const char *module_name, u32 component_id, const char *string);
330 void
331 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
333 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
335 #ifdef ACPI_APPLICATION
336 void
337 acpi_ut_dump_buffer_to_file(ACPI_FILE file,
338 u8 *buffer,
339 u32 count, u32 display, u32 base_offset);
340 #endif
342 void acpi_ut_report_error(char *module_name, u32 line_number);
344 void acpi_ut_report_info(char *module_name, u32 line_number);
346 void acpi_ut_report_warning(char *module_name, u32 line_number);
349 * utdelete - Object deletion and reference counts
351 void acpi_ut_add_reference(union acpi_operand_object *object);
353 void acpi_ut_remove_reference(union acpi_operand_object *object);
355 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
357 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
359 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
362 * uteval - object evaluation
364 acpi_status
365 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
366 const char *path,
367 u32 expected_return_btypes,
368 union acpi_operand_object **return_desc);
370 acpi_status
371 acpi_ut_evaluate_numeric_object(const char *object_name,
372 struct acpi_namespace_node *device_node,
373 u64 *value);
375 acpi_status
376 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
378 acpi_status
379 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
380 const char **method_names,
381 u8 method_count, u8 *out_values);
384 * utids - device ID support
386 acpi_status
387 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
388 struct acpi_pnp_device_id ** return_id);
390 acpi_status
391 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
392 struct acpi_pnp_device_id ** return_id);
394 acpi_status
395 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
396 struct acpi_pnp_device_id_list ** return_cid_list);
398 acpi_status
399 acpi_ut_execute_CLS(struct acpi_namespace_node *device_node,
400 struct acpi_pnp_device_id **return_id);
403 * utlock - reader/writer locks
405 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
407 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
409 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
411 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
413 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
415 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
418 * utobject - internal object create/delete/cache routines
420 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
421 *module_name,
422 u32 line_number,
423 u32 component_id,
424 acpi_object_type
425 type);
427 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
428 u32 line_number, u32 component_id);
430 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
431 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
433 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
435 u8 acpi_ut_valid_internal_object(void *object);
437 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
439 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
441 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
443 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
445 acpi_status
446 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size *obj_length);
449 * utosi - Support for the _OSI predefined control method
451 acpi_status acpi_ut_initialize_interfaces(void);
453 acpi_status acpi_ut_interface_terminate(void);
455 acpi_status acpi_ut_install_interface(acpi_string interface_name);
457 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
459 acpi_status acpi_ut_update_interfaces(u8 action);
461 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
463 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
466 * utpredef - support for predefined names
468 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
469 acpi_predefined_info
470 *this_name);
472 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
474 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
476 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
477 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
479 void
480 acpi_ut_display_predefined_method(char *buffer,
481 const union acpi_predefined_info *this_name,
482 u8 multi_line);
484 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
485 #endif
488 * utstate - Generic state creation/cache routines
490 void
491 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
492 union acpi_generic_state *state);
494 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
495 **list_head);
497 union acpi_generic_state *acpi_ut_create_generic_state(void);
499 struct acpi_thread_state *acpi_ut_create_thread_state(void);
501 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
502 *object, u16 action);
504 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
505 void *external_object,
506 u32 index);
508 acpi_status
509 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
510 u16 action,
511 union acpi_generic_state **state_list);
513 union acpi_generic_state *acpi_ut_create_control_state(void);
515 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
518 * utmath
520 acpi_status
521 acpi_ut_divide(u64 in_dividend,
522 u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
524 acpi_status
525 acpi_ut_short_divide(u64 in_dividend,
526 u32 divisor, u64 *out_quotient, u32 *out_remainder);
528 acpi_status
529 acpi_ut_short_multiply(u64 in_multiplicand, u32 multiplier, u64 *outproduct);
531 acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result);
533 acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result);
536 * utmisc
538 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
539 status);
541 u8 acpi_ut_is_pci_root_bridge(char *id);
543 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
544 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
545 #endif
547 acpi_status
548 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
549 void *target_object,
550 acpi_pkg_callback walk_callback, void *context);
552 /* Values for Base above (16=Hex, 10=Decimal) */
554 #define ACPI_ANY_BASE 0
556 u32 acpi_ut_dword_byte_swap(u32 value);
558 void acpi_ut_set_integer_width(u8 revision);
560 #ifdef ACPI_DEBUG_OUTPUT
561 void
562 acpi_ut_display_init_pathname(u8 type,
563 struct acpi_namespace_node *obj_handle,
564 const char *path);
565 #endif
568 * utownerid - Support for Table/Method Owner IDs
570 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id *owner_id);
572 void acpi_ut_release_owner_id(acpi_owner_id *owner_id);
575 * utresrc
577 acpi_status
578 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
579 u8 *aml,
580 acpi_size aml_length,
581 acpi_walk_aml_callback user_function,
582 void **context);
584 acpi_status
585 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
586 void *aml, u8 *return_index);
588 u32 acpi_ut_get_descriptor_length(void *aml);
590 u16 acpi_ut_get_resource_length(void *aml);
592 u8 acpi_ut_get_resource_header_length(void *aml);
594 u8 acpi_ut_get_resource_type(void *aml);
596 acpi_status
597 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
600 * utstring - String and character utilities
602 void acpi_ut_print_string(char *string, u16 max_length);
604 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
605 void ut_convert_backslashes(char *pathname);
606 #endif
608 void acpi_ut_repair_name(char *name);
610 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
611 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
613 void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size);
615 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
618 acpi_ut_safe_strncat(char *dest,
619 acpi_size dest_size,
620 char *source, acpi_size max_transfer_length);
621 #endif
624 * utmutex - mutex support
626 acpi_status acpi_ut_mutex_initialize(void);
628 void acpi_ut_mutex_terminate(void);
630 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
632 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
635 * utalloc - memory allocation and object caching
637 acpi_status acpi_ut_create_caches(void);
639 acpi_status acpi_ut_delete_caches(void);
641 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
643 acpi_status
644 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
645 acpi_size required_length);
647 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
648 void *acpi_ut_allocate_and_track(acpi_size size,
649 u32 component, const char *module, u32 line);
651 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
652 u32 component,
653 const char *module, u32 line);
655 void
656 acpi_ut_free_and_track(void *address,
657 u32 component, const char *module, u32 line);
659 void acpi_ut_dump_allocation_info(void);
661 void acpi_ut_dump_allocations(u32 component, const char *module);
663 acpi_status
664 acpi_ut_create_list(const char *list_name,
665 u16 object_size, struct acpi_memory_list **return_cache);
667 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
670 * utaddress - address range check
672 acpi_status
673 acpi_ut_add_address_range(acpi_adr_space_type space_id,
674 acpi_physical_address address,
675 u32 length, struct acpi_namespace_node *region_node);
677 void
678 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
679 struct acpi_namespace_node *region_node);
682 acpi_ut_check_address_range(acpi_adr_space_type space_id,
683 acpi_physical_address address, u32 length, u8 warn);
685 void acpi_ut_delete_address_lists(void);
688 * utxferror - various error/warning output functions
690 ACPI_PRINTF_LIKE(5)
691 void ACPI_INTERNAL_VAR_XFACE
692 acpi_ut_predefined_warning(const char *module_name,
693 u32 line_number,
694 char *pathname,
695 u16 node_flags, const char *format, ...);
697 ACPI_PRINTF_LIKE(5)
698 void ACPI_INTERNAL_VAR_XFACE
699 acpi_ut_predefined_info(const char *module_name,
700 u32 line_number,
701 char *pathname,
702 u16 node_flags, const char *format, ...);
704 ACPI_PRINTF_LIKE(5)
705 void ACPI_INTERNAL_VAR_XFACE
706 acpi_ut_predefined_bios_error(const char *module_name,
707 u32 line_number,
708 char *pathname,
709 u16 node_flags, const char *format, ...);
711 void
712 acpi_ut_prefixed_namespace_error(const char *module_name,
713 u32 line_number,
714 union acpi_generic_state *prefix_scope,
715 const char *internal_name,
716 acpi_status lookup_status);
718 void
719 acpi_ut_method_error(const char *module_name,
720 u32 line_number,
721 const char *message,
722 struct acpi_namespace_node *node,
723 const char *path, acpi_status lookup_status);
726 * Utility functions for ACPI names and IDs
728 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
730 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
732 const char *acpi_ah_match_uuid(u8 *data);
735 * utuuid -- UUID support functions
737 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
738 void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
739 #endif
741 #endif /* _ACUTILS_H */