1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2016, Intel Corp.
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12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
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18 * substantially similar to the "NO WARRANTY" disclaimer below
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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
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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41 * POSSIBILITY OF SUCH DAMAGES.
47 extern const u8 acpi_gbl_resource_aml_sizes
[];
48 extern const u8 acpi_gbl_resource_aml_serial_bus_sizes
[];
50 /* Strings used by the disassembler and debugger resource dump routines */
52 #if defined(ACPI_DEBUG_OUTPUT) || defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
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
[];
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.
95 #ifdef ACPI_ASL_COMPILER
99 #define ACPI_MSG_REDIRECT_BEGIN \
100 FILE *output_file = acpi_gbl_output_file; \
101 acpi_os_redirect_output (stderr);
103 #define ACPI_MSG_REDIRECT_END \
104 acpi_os_redirect_output (output_file);
108 * non-iASL case - no redirection, nothing to do
110 #define ACPI_MSG_REDIRECT_BEGIN
111 #define ACPI_MSG_REDIRECT_END
115 * Common error message prefixes
117 #ifndef ACPI_MSG_ERROR
118 #define ACPI_MSG_ERROR "ACPI Error: "
120 #ifndef ACPI_MSG_EXCEPTION
121 #define ACPI_MSG_EXCEPTION "ACPI Exception: "
123 #ifndef ACPI_MSG_WARNING
124 #define ACPI_MSG_WARNING "ACPI Warning: "
126 #ifndef ACPI_MSG_INFO
127 #define ACPI_MSG_INFO "ACPI: "
130 #ifndef ACPI_MSG_BIOS_ERROR
131 #define ACPI_MSG_BIOS_ERROR "ACPI BIOS Error (bug): "
133 #ifndef ACPI_MSG_BIOS_WARNING
134 #define ACPI_MSG_BIOS_WARNING "ACPI BIOS Warning (bug): "
138 * Common message suffix
140 #define ACPI_MSG_SUFFIX \
141 acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
143 /* Types for Resource descriptor entries */
145 #define ACPI_INVALID_RESOURCE 0
146 #define ACPI_FIXED_LENGTH 1
147 #define ACPI_VARIABLE_LENGTH 2
148 #define ACPI_SMALL_VARIABLE_LENGTH 3
151 acpi_status (*acpi_walk_aml_callback
) (u8
*aml
,
154 u8 resource_index
, void **context
);
157 acpi_status (*acpi_pkg_callback
) (u8 object_type
,
158 union acpi_operand_object
* source_object
,
159 union acpi_generic_state
* state
,
162 struct acpi_pkg_info
{
169 /* Object reference counts */
171 #define REF_INCREMENT (u16) 0
172 #define REF_DECREMENT (u16) 1
174 /* acpi_ut_dump_buffer */
176 #define DB_BYTE_DISPLAY 1
177 #define DB_WORD_DISPLAY 2
178 #define DB_DWORD_DISPLAY 4
179 #define DB_QWORD_DISPLAY 8
182 * utascii - ASCII utilities
184 u8
acpi_ut_valid_nameseg(char *signature
);
186 u8
acpi_ut_valid_name_char(char character
, u32 position
);
188 void acpi_ut_check_and_repair_ascii(u8
*name
, char *repaired_name
, u32 count
);
191 * utnonansi - Non-ANSI C library functions
193 void acpi_ut_strupr(char *src_string
);
195 void acpi_ut_strlwr(char *src_string
);
197 int acpi_ut_stricmp(char *string1
, char *string2
);
200 acpi_ut_strtoul64(char *string
,
201 u32 base
, u32 max_integer_byte_width
, u64
*ret_integer
);
203 /* Values for max_integer_byte_width above */
205 #define ACPI_MAX32_BYTE_WIDTH 4
206 #define ACPI_MAX64_BYTE_WIDTH 8
209 * utglobal - Global data structures and procedures
211 acpi_status
acpi_ut_init_globals(void);
213 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
215 const char *acpi_ut_get_mutex_name(u32 mutex_id
);
217 const char *acpi_ut_get_notify_name(u32 notify_value
, acpi_object_type type
);
220 const char *acpi_ut_get_type_name(acpi_object_type type
);
222 const char *acpi_ut_get_node_name(void *object
);
224 const char *acpi_ut_get_descriptor_name(void *object
);
226 const char *acpi_ut_get_reference_name(union acpi_operand_object
*object
);
228 const char *acpi_ut_get_object_type_name(union acpi_operand_object
*obj_desc
);
230 const char *acpi_ut_get_region_name(u8 space_id
);
232 const char *acpi_ut_get_event_name(u32 event_id
);
234 char acpi_ut_hex_to_ascii_char(u64 integer
, u32 position
);
236 u8
acpi_ut_ascii_char_to_hex(int hex_char
);
238 u8
acpi_ut_valid_object_type(acpi_object_type type
);
241 * utinit - miscellaneous initialization and shutdown
243 acpi_status
acpi_ut_hardware_initialize(void);
245 void acpi_ut_subsystem_shutdown(void);
248 * utcopy - Object construction and conversion interfaces
251 acpi_ut_build_simple_object(union acpi_operand_object
*obj
,
252 union acpi_object
*user_obj
,
253 u8
*data_space
, u32
*buffer_space_used
);
256 acpi_ut_build_package_object(union acpi_operand_object
*obj
,
257 u8
*buffer
, u32
*space_used
);
260 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object
*obj
,
261 struct acpi_buffer
*ret_buffer
);
264 acpi_ut_copy_eobject_to_iobject(union acpi_object
*obj
,
265 union acpi_operand_object
**internal_obj
);
268 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object
*source_obj
,
269 union acpi_operand_object
*dest_obj
);
272 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object
*source_desc
,
273 union acpi_operand_object
**dest_desc
,
274 struct acpi_walk_state
*walk_state
);
277 * utcreate - Object creation
280 acpi_ut_update_object_reference(union acpi_operand_object
*object
, u16 action
);
283 * utdebug - Debug interfaces
285 void acpi_ut_init_stack_ptr_trace(void);
287 void acpi_ut_track_stack_ptr(void);
290 acpi_ut_trace(u32 line_number
,
291 const char *function_name
,
292 const char *module_name
, u32 component_id
);
295 acpi_ut_trace_ptr(u32 line_number
,
296 const char *function_name
,
297 const char *module_name
,
298 u32 component_id
, const void *pointer
);
301 acpi_ut_trace_u32(u32 line_number
,
302 const char *function_name
,
303 const char *module_name
, u32 component_id
, u32 integer
);
306 acpi_ut_trace_str(u32 line_number
,
307 const char *function_name
,
308 const char *module_name
,
309 u32 component_id
, const char *string
);
312 acpi_ut_exit(u32 line_number
,
313 const char *function_name
,
314 const char *module_name
, u32 component_id
);
317 acpi_ut_status_exit(u32 line_number
,
318 const char *function_name
,
319 const char *module_name
,
320 u32 component_id
, acpi_status status
);
323 acpi_ut_value_exit(u32 line_number
,
324 const char *function_name
,
325 const char *module_name
, u32 component_id
, u64 value
);
328 acpi_ut_ptr_exit(u32 line_number
,
329 const char *function_name
,
330 const char *module_name
, u32 component_id
, u8
*ptr
);
333 acpi_ut_str_exit(u32 line_number
,
334 const char *function_name
,
335 const char *module_name
, u32 component_id
, const char *string
);
338 acpi_ut_debug_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 component_id
);
340 void acpi_ut_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 offset
);
342 #ifdef ACPI_APPLICATION
344 acpi_ut_dump_buffer_to_file(ACPI_FILE file
,
346 u32 count
, u32 display
, u32 base_offset
);
349 void acpi_ut_report_error(char *module_name
, u32 line_number
);
351 void acpi_ut_report_info(char *module_name
, u32 line_number
);
353 void acpi_ut_report_warning(char *module_name
, u32 line_number
);
356 * utdelete - Object deletion and reference counts
358 void acpi_ut_add_reference(union acpi_operand_object
*object
);
360 void acpi_ut_remove_reference(union acpi_operand_object
*object
);
362 void acpi_ut_delete_internal_package_object(union acpi_operand_object
*object
);
364 void acpi_ut_delete_internal_simple_object(union acpi_operand_object
*object
);
366 void acpi_ut_delete_internal_object_list(union acpi_operand_object
**obj_list
);
369 * uteval - object evaluation
372 acpi_ut_evaluate_object(struct acpi_namespace_node
*prefix_node
,
374 u32 expected_return_btypes
,
375 union acpi_operand_object
**return_desc
);
378 acpi_ut_evaluate_numeric_object(const char *object_name
,
379 struct acpi_namespace_node
*device_node
,
383 acpi_ut_execute_STA(struct acpi_namespace_node
*device_node
, u32
*status_flags
);
386 acpi_ut_execute_power_methods(struct acpi_namespace_node
*device_node
,
387 const char **method_names
,
388 u8 method_count
, u8
*out_values
);
391 * utids - device ID support
394 acpi_ut_execute_HID(struct acpi_namespace_node
*device_node
,
395 struct acpi_pnp_device_id
** return_id
);
398 acpi_ut_execute_UID(struct acpi_namespace_node
*device_node
,
399 struct acpi_pnp_device_id
** return_id
);
402 acpi_ut_execute_CID(struct acpi_namespace_node
*device_node
,
403 struct acpi_pnp_device_id_list
** return_cid_list
);
406 acpi_ut_execute_CLS(struct acpi_namespace_node
*device_node
,
407 struct acpi_pnp_device_id
**return_id
);
410 * utlock - reader/writer locks
412 acpi_status
acpi_ut_create_rw_lock(struct acpi_rw_lock
*lock
);
414 void acpi_ut_delete_rw_lock(struct acpi_rw_lock
*lock
);
416 acpi_status
acpi_ut_acquire_read_lock(struct acpi_rw_lock
*lock
);
418 acpi_status
acpi_ut_release_read_lock(struct acpi_rw_lock
*lock
);
420 acpi_status
acpi_ut_acquire_write_lock(struct acpi_rw_lock
*lock
);
422 void acpi_ut_release_write_lock(struct acpi_rw_lock
*lock
);
425 * utobject - internal object create/delete/cache routines
427 union acpi_operand_object
*acpi_ut_create_internal_object_dbg(const char
434 void *acpi_ut_allocate_object_desc_dbg(const char *module_name
,
435 u32 line_number
, u32 component_id
);
437 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
438 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
440 void acpi_ut_delete_object_desc(union acpi_operand_object
*object
);
442 u8
acpi_ut_valid_internal_object(void *object
);
444 union acpi_operand_object
*acpi_ut_create_package_object(u32 count
);
446 union acpi_operand_object
*acpi_ut_create_integer_object(u64 value
);
448 union acpi_operand_object
*acpi_ut_create_buffer_object(acpi_size buffer_size
);
450 union acpi_operand_object
*acpi_ut_create_string_object(acpi_size string_size
);
453 acpi_ut_get_object_size(union acpi_operand_object
*obj
, acpi_size
*obj_length
);
456 * utosi - Support for the _OSI predefined control method
458 acpi_status
acpi_ut_initialize_interfaces(void);
460 acpi_status
acpi_ut_interface_terminate(void);
462 acpi_status
acpi_ut_install_interface(acpi_string interface_name
);
464 acpi_status
acpi_ut_remove_interface(acpi_string interface_name
);
466 acpi_status
acpi_ut_update_interfaces(u8 action
);
468 struct acpi_interface_info
*acpi_ut_get_interface(acpi_string interface_name
);
470 acpi_status
acpi_ut_osi_implementation(struct acpi_walk_state
*walk_state
);
473 * utpredef - support for predefined names
475 const union acpi_predefined_info
*acpi_ut_get_next_predefined_method(const union
479 const union acpi_predefined_info
*acpi_ut_match_predefined_method(char *name
);
481 void acpi_ut_get_expected_return_types(char *buffer
, u32 expected_btypes
);
483 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
484 const union acpi_predefined_info
*acpi_ut_match_resource_name(char *name
);
487 acpi_ut_display_predefined_method(char *buffer
,
488 const union acpi_predefined_info
*this_name
,
491 u32
acpi_ut_get_resource_bit_width(char *buffer
, u16 types
);
495 * utstate - Generic state creation/cache routines
498 acpi_ut_push_generic_state(union acpi_generic_state
**list_head
,
499 union acpi_generic_state
*state
);
501 union acpi_generic_state
*acpi_ut_pop_generic_state(union acpi_generic_state
504 union acpi_generic_state
*acpi_ut_create_generic_state(void);
506 struct acpi_thread_state
*acpi_ut_create_thread_state(void);
508 union acpi_generic_state
*acpi_ut_create_update_state(union acpi_operand_object
509 *object
, u16 action
);
511 union acpi_generic_state
*acpi_ut_create_pkg_state(void *internal_object
,
512 void *external_object
,
516 acpi_ut_create_update_state_and_push(union acpi_operand_object
*object
,
518 union acpi_generic_state
**state_list
);
520 union acpi_generic_state
*acpi_ut_create_control_state(void);
522 void acpi_ut_delete_generic_state(union acpi_generic_state
*state
);
528 acpi_ut_divide(u64 in_dividend
,
529 u64 in_divisor
, u64
*out_quotient
, u64
*out_remainder
);
532 acpi_ut_short_divide(u64 in_dividend
,
533 u32 divisor
, u64
*out_quotient
, u32
*out_remainder
);
538 const struct acpi_exception_info
*acpi_ut_validate_exception(acpi_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
);
548 acpi_ut_walk_package_tree(union acpi_operand_object
*source_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
562 acpi_ut_display_init_pathname(u8 type
,
563 struct acpi_namespace_node
*obj_handle
,
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
);
578 acpi_ut_walk_aml_resources(struct acpi_walk_state
*walk_state
,
580 acpi_size aml_length
,
581 acpi_walk_aml_callback user_function
,
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
);
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
);
608 void acpi_ut_repair_name(char *name
);
610 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
611 u8
acpi_ut_safe_strcpy(char *dest
, acpi_size dest_size
, char *source
);
613 u8
acpi_ut_safe_strcat(char *dest
, acpi_size dest_size
, char *source
);
616 acpi_ut_safe_strncat(char *dest
,
618 char *source
, acpi_size max_transfer_length
);
622 * utmutex - mutex support
624 acpi_status
acpi_ut_mutex_initialize(void);
626 void acpi_ut_mutex_terminate(void);
628 acpi_status
acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id
);
630 acpi_status
acpi_ut_release_mutex(acpi_mutex_handle mutex_id
);
633 * utalloc - memory allocation and object caching
635 acpi_status
acpi_ut_create_caches(void);
637 acpi_status
acpi_ut_delete_caches(void);
639 acpi_status
acpi_ut_validate_buffer(struct acpi_buffer
*buffer
);
642 acpi_ut_initialize_buffer(struct acpi_buffer
*buffer
,
643 acpi_size required_length
);
645 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
646 void *acpi_ut_allocate_and_track(acpi_size size
,
647 u32 component
, const char *module
, u32 line
);
649 void *acpi_ut_allocate_zeroed_and_track(acpi_size size
,
651 const char *module
, u32 line
);
654 acpi_ut_free_and_track(void *address
,
655 u32 component
, const char *module
, u32 line
);
657 void acpi_ut_dump_allocation_info(void);
659 void acpi_ut_dump_allocations(u32 component
, const char *module
);
662 acpi_ut_create_list(const char *list_name
,
663 u16 object_size
, struct acpi_memory_list
**return_cache
);
665 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
668 * utaddress - address range check
671 acpi_ut_add_address_range(acpi_adr_space_type space_id
,
672 acpi_physical_address address
,
673 u32 length
, struct acpi_namespace_node
*region_node
);
676 acpi_ut_remove_address_range(acpi_adr_space_type space_id
,
677 struct acpi_namespace_node
*region_node
);
680 acpi_ut_check_address_range(acpi_adr_space_type space_id
,
681 acpi_physical_address address
, u32 length
, u8 warn
);
683 void acpi_ut_delete_address_lists(void);
686 * utxferror - various error/warning output functions
688 void ACPI_INTERNAL_VAR_XFACE
689 acpi_ut_predefined_warning(const char *module_name
,
692 u8 node_flags
, const char *format
, ...);
694 void ACPI_INTERNAL_VAR_XFACE
695 acpi_ut_predefined_info(const char *module_name
,
697 char *pathname
, u8 node_flags
, const char *format
, ...);
699 void ACPI_INTERNAL_VAR_XFACE
700 acpi_ut_predefined_bios_error(const char *module_name
,
703 u8 node_flags
, const char *format
, ...);
706 acpi_ut_namespace_error(const char *module_name
,
708 const char *internal_name
, acpi_status lookup_status
);
711 acpi_ut_method_error(const char *module_name
,
714 struct acpi_namespace_node
*node
,
715 const char *path
, acpi_status lookup_status
);
718 * Utility functions for ACPI names and IDs
720 const struct ah_predefined_name
*acpi_ah_match_predefined_name(char *nameseg
);
722 const struct ah_device_id
*acpi_ah_match_hardware_id(char *hid
);
724 const char *acpi_ah_match_uuid(u8
*data
);
727 * utprint - printf/vprintf output functions
729 const char *acpi_ut_scan_number(const char *string
, u64
*number_ptr
);
731 const char *acpi_ut_print_number(char *string
, u64 number
);
734 acpi_ut_vsnprintf(char *string
,
735 acpi_size size
, const char *format
, va_list args
);
737 int acpi_ut_snprintf(char *string
, acpi_size size
, const char *format
, ...);
739 #ifdef ACPI_APPLICATION
740 int acpi_ut_file_vprintf(ACPI_FILE file
, const char *format
, va_list args
);
742 int acpi_ut_file_printf(ACPI_FILE file
, const char *format
, ...);
746 * utuuid -- UUID support functions
748 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
749 void acpi_ut_convert_string_to_uuid(char *in_string
, u8
*uuid_buffer
);
752 #endif /* _ACUTILS_H */