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
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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.
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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
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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 #define ACPI_MSG_ERROR "ACPI Error: "
118 #define ACPI_MSG_EXCEPTION "ACPI Exception: "
119 #define ACPI_MSG_WARNING "ACPI Warning: "
120 #define ACPI_MSG_INFO "ACPI: "
122 #define ACPI_MSG_BIOS_ERROR "ACPI BIOS Error (bug): "
123 #define ACPI_MSG_BIOS_WARNING "ACPI BIOS Warning (bug): "
126 * Common message suffix
128 #define ACPI_MSG_SUFFIX \
129 acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
131 /* Types for Resource descriptor entries */
133 #define ACPI_INVALID_RESOURCE 0
134 #define ACPI_FIXED_LENGTH 1
135 #define ACPI_VARIABLE_LENGTH 2
136 #define ACPI_SMALL_VARIABLE_LENGTH 3
139 acpi_status (*acpi_walk_aml_callback
) (u8
*aml
,
142 u8 resource_index
, void **context
);
145 acpi_status (*acpi_pkg_callback
) (u8 object_type
,
146 union acpi_operand_object
* source_object
,
147 union acpi_generic_state
* state
,
150 struct acpi_pkg_info
{
157 /* Object reference counts */
159 #define REF_INCREMENT (u16) 0
160 #define REF_DECREMENT (u16) 1
162 /* acpi_ut_dump_buffer */
164 #define DB_BYTE_DISPLAY 1
165 #define DB_WORD_DISPLAY 2
166 #define DB_DWORD_DISPLAY 4
167 #define DB_QWORD_DISPLAY 8
170 * utascii - ASCII utilities
172 u8
acpi_ut_valid_nameseg(char *signature
);
174 u8
acpi_ut_valid_name_char(char character
, u32 position
);
176 void acpi_ut_check_and_repair_ascii(u8
*name
, char *repaired_name
, u32 count
);
179 * utnonansi - Non-ANSI C library functions
181 void acpi_ut_strupr(char *src_string
);
183 void acpi_ut_strlwr(char *src_string
);
185 int acpi_ut_stricmp(char *string1
, char *string2
);
188 acpi_ut_strtoul64(char *string
,
189 u32 base
, u32 max_integer_byte_width
, u64
*ret_integer
);
191 /* Values for max_integer_byte_width above */
193 #define ACPI_MAX32_BYTE_WIDTH 4
194 #define ACPI_MAX64_BYTE_WIDTH 8
197 * utglobal - Global data structures and procedures
199 acpi_status
acpi_ut_init_globals(void);
201 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
203 const char *acpi_ut_get_mutex_name(u32 mutex_id
);
205 const char *acpi_ut_get_notify_name(u32 notify_value
, acpi_object_type type
);
208 const char *acpi_ut_get_type_name(acpi_object_type type
);
210 const char *acpi_ut_get_node_name(void *object
);
212 const char *acpi_ut_get_descriptor_name(void *object
);
214 const char *acpi_ut_get_reference_name(union acpi_operand_object
*object
);
216 const char *acpi_ut_get_object_type_name(union acpi_operand_object
*obj_desc
);
218 const char *acpi_ut_get_region_name(u8 space_id
);
220 const char *acpi_ut_get_event_name(u32 event_id
);
222 char acpi_ut_hex_to_ascii_char(u64 integer
, u32 position
);
224 u8
acpi_ut_ascii_char_to_hex(int hex_char
);
226 u8
acpi_ut_valid_object_type(acpi_object_type type
);
229 * utinit - miscellaneous initialization and shutdown
231 acpi_status
acpi_ut_hardware_initialize(void);
233 void acpi_ut_subsystem_shutdown(void);
236 * utcopy - Object construction and conversion interfaces
239 acpi_ut_build_simple_object(union acpi_operand_object
*obj
,
240 union acpi_object
*user_obj
,
241 u8
*data_space
, u32
*buffer_space_used
);
244 acpi_ut_build_package_object(union acpi_operand_object
*obj
,
245 u8
*buffer
, u32
*space_used
);
248 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object
*obj
,
249 struct acpi_buffer
*ret_buffer
);
252 acpi_ut_copy_eobject_to_iobject(union acpi_object
*obj
,
253 union acpi_operand_object
**internal_obj
);
256 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object
*source_obj
,
257 union acpi_operand_object
*dest_obj
);
260 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object
*source_desc
,
261 union acpi_operand_object
**dest_desc
,
262 struct acpi_walk_state
*walk_state
);
265 * utcreate - Object creation
268 acpi_ut_update_object_reference(union acpi_operand_object
*object
, u16 action
);
271 * utdebug - Debug interfaces
273 void acpi_ut_init_stack_ptr_trace(void);
275 void acpi_ut_track_stack_ptr(void);
278 acpi_ut_trace(u32 line_number
,
279 const char *function_name
,
280 const char *module_name
, u32 component_id
);
283 acpi_ut_trace_ptr(u32 line_number
,
284 const char *function_name
,
285 const char *module_name
,
286 u32 component_id
, const void *pointer
);
289 acpi_ut_trace_u32(u32 line_number
,
290 const char *function_name
,
291 const char *module_name
, u32 component_id
, u32 integer
);
294 acpi_ut_trace_str(u32 line_number
,
295 const char *function_name
,
296 const char *module_name
,
297 u32 component_id
, const char *string
);
300 acpi_ut_exit(u32 line_number
,
301 const char *function_name
,
302 const char *module_name
, u32 component_id
);
305 acpi_ut_status_exit(u32 line_number
,
306 const char *function_name
,
307 const char *module_name
,
308 u32 component_id
, acpi_status status
);
311 acpi_ut_value_exit(u32 line_number
,
312 const char *function_name
,
313 const char *module_name
, u32 component_id
, u64 value
);
316 acpi_ut_ptr_exit(u32 line_number
,
317 const char *function_name
,
318 const char *module_name
, u32 component_id
, u8
*ptr
);
321 acpi_ut_debug_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 component_id
);
323 void acpi_ut_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 offset
);
325 #ifdef ACPI_APPLICATION
327 acpi_ut_dump_buffer_to_file(ACPI_FILE file
,
329 u32 count
, u32 display
, u32 base_offset
);
332 void acpi_ut_report_error(char *module_name
, u32 line_number
);
334 void acpi_ut_report_info(char *module_name
, u32 line_number
);
336 void acpi_ut_report_warning(char *module_name
, u32 line_number
);
339 * utdelete - Object deletion and reference counts
341 void acpi_ut_add_reference(union acpi_operand_object
*object
);
343 void acpi_ut_remove_reference(union acpi_operand_object
*object
);
345 void acpi_ut_delete_internal_package_object(union acpi_operand_object
*object
);
347 void acpi_ut_delete_internal_simple_object(union acpi_operand_object
*object
);
349 void acpi_ut_delete_internal_object_list(union acpi_operand_object
**obj_list
);
352 * uteval - object evaluation
355 acpi_ut_evaluate_object(struct acpi_namespace_node
*prefix_node
,
357 u32 expected_return_btypes
,
358 union acpi_operand_object
**return_desc
);
361 acpi_ut_evaluate_numeric_object(const char *object_name
,
362 struct acpi_namespace_node
*device_node
,
366 acpi_ut_execute_STA(struct acpi_namespace_node
*device_node
, u32
*status_flags
);
369 acpi_ut_execute_power_methods(struct acpi_namespace_node
*device_node
,
370 const char **method_names
,
371 u8 method_count
, u8
*out_values
);
374 * utids - device ID support
377 acpi_ut_execute_HID(struct acpi_namespace_node
*device_node
,
378 struct acpi_pnp_device_id
** return_id
);
381 acpi_ut_execute_UID(struct acpi_namespace_node
*device_node
,
382 struct acpi_pnp_device_id
** return_id
);
385 acpi_ut_execute_CID(struct acpi_namespace_node
*device_node
,
386 struct acpi_pnp_device_id_list
** return_cid_list
);
389 acpi_ut_execute_CLS(struct acpi_namespace_node
*device_node
,
390 struct acpi_pnp_device_id
**return_id
);
393 * utlock - reader/writer locks
395 acpi_status
acpi_ut_create_rw_lock(struct acpi_rw_lock
*lock
);
397 void acpi_ut_delete_rw_lock(struct acpi_rw_lock
*lock
);
399 acpi_status
acpi_ut_acquire_read_lock(struct acpi_rw_lock
*lock
);
401 acpi_status
acpi_ut_release_read_lock(struct acpi_rw_lock
*lock
);
403 acpi_status
acpi_ut_acquire_write_lock(struct acpi_rw_lock
*lock
);
405 void acpi_ut_release_write_lock(struct acpi_rw_lock
*lock
);
408 * utobject - internal object create/delete/cache routines
410 union acpi_operand_object
*acpi_ut_create_internal_object_dbg(const char
417 void *acpi_ut_allocate_object_desc_dbg(const char *module_name
,
418 u32 line_number
, u32 component_id
);
420 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
421 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
423 void acpi_ut_delete_object_desc(union acpi_operand_object
*object
);
425 u8
acpi_ut_valid_internal_object(void *object
);
427 union acpi_operand_object
*acpi_ut_create_package_object(u32 count
);
429 union acpi_operand_object
*acpi_ut_create_integer_object(u64 value
);
431 union acpi_operand_object
*acpi_ut_create_buffer_object(acpi_size buffer_size
);
433 union acpi_operand_object
*acpi_ut_create_string_object(acpi_size string_size
);
436 acpi_ut_get_object_size(union acpi_operand_object
*obj
, acpi_size
*obj_length
);
439 * utosi - Support for the _OSI predefined control method
441 acpi_status
acpi_ut_initialize_interfaces(void);
443 acpi_status
acpi_ut_interface_terminate(void);
445 acpi_status
acpi_ut_install_interface(acpi_string interface_name
);
447 acpi_status
acpi_ut_remove_interface(acpi_string interface_name
);
449 acpi_status
acpi_ut_update_interfaces(u8 action
);
451 struct acpi_interface_info
*acpi_ut_get_interface(acpi_string interface_name
);
453 acpi_status
acpi_ut_osi_implementation(struct acpi_walk_state
*walk_state
);
456 * utpredef - support for predefined names
458 const union acpi_predefined_info
*acpi_ut_get_next_predefined_method(const union
462 const union acpi_predefined_info
*acpi_ut_match_predefined_method(char *name
);
464 void acpi_ut_get_expected_return_types(char *buffer
, u32 expected_btypes
);
466 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
467 const union acpi_predefined_info
*acpi_ut_match_resource_name(char *name
);
470 acpi_ut_display_predefined_method(char *buffer
,
471 const union acpi_predefined_info
*this_name
,
474 u32
acpi_ut_get_resource_bit_width(char *buffer
, u16 types
);
478 * utstate - Generic state creation/cache routines
481 acpi_ut_push_generic_state(union acpi_generic_state
**list_head
,
482 union acpi_generic_state
*state
);
484 union acpi_generic_state
*acpi_ut_pop_generic_state(union acpi_generic_state
487 union acpi_generic_state
*acpi_ut_create_generic_state(void);
489 struct acpi_thread_state
*acpi_ut_create_thread_state(void);
491 union acpi_generic_state
*acpi_ut_create_update_state(union acpi_operand_object
492 *object
, u16 action
);
494 union acpi_generic_state
*acpi_ut_create_pkg_state(void *internal_object
,
495 void *external_object
,
499 acpi_ut_create_update_state_and_push(union acpi_operand_object
*object
,
501 union acpi_generic_state
**state_list
);
503 union acpi_generic_state
*acpi_ut_create_control_state(void);
505 void acpi_ut_delete_generic_state(union acpi_generic_state
*state
);
511 acpi_ut_divide(u64 in_dividend
,
512 u64 in_divisor
, u64
*out_quotient
, u64
*out_remainder
);
515 acpi_ut_short_divide(u64 in_dividend
,
516 u32 divisor
, u64
*out_quotient
, u32
*out_remainder
);
521 const struct acpi_exception_info
*acpi_ut_validate_exception(acpi_status
524 u8
acpi_ut_is_pci_root_bridge(char *id
);
526 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
527 u8
acpi_ut_is_aml_table(struct acpi_table_header
*table
);
531 acpi_ut_walk_package_tree(union acpi_operand_object
*source_object
,
533 acpi_pkg_callback walk_callback
, void *context
);
535 /* Values for Base above (16=Hex, 10=Decimal) */
537 #define ACPI_ANY_BASE 0
539 u32
acpi_ut_dword_byte_swap(u32 value
);
541 void acpi_ut_set_integer_width(u8 revision
);
543 #ifdef ACPI_DEBUG_OUTPUT
545 acpi_ut_display_init_pathname(u8 type
,
546 struct acpi_namespace_node
*obj_handle
,
551 * utownerid - Support for Table/Method Owner IDs
553 acpi_status
acpi_ut_allocate_owner_id(acpi_owner_id
*owner_id
);
555 void acpi_ut_release_owner_id(acpi_owner_id
*owner_id
);
561 acpi_ut_walk_aml_resources(struct acpi_walk_state
*walk_state
,
563 acpi_size aml_length
,
564 acpi_walk_aml_callback user_function
,
568 acpi_ut_validate_resource(struct acpi_walk_state
*walk_state
,
569 void *aml
, u8
*return_index
);
571 u32
acpi_ut_get_descriptor_length(void *aml
);
573 u16
acpi_ut_get_resource_length(void *aml
);
575 u8
acpi_ut_get_resource_header_length(void *aml
);
577 u8
acpi_ut_get_resource_type(void *aml
);
580 acpi_ut_get_resource_end_tag(union acpi_operand_object
*obj_desc
, u8
**end_tag
);
583 * utstring - String and character utilities
585 void acpi_ut_print_string(char *string
, u16 max_length
);
587 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
588 void ut_convert_backslashes(char *pathname
);
591 void acpi_ut_repair_name(char *name
);
593 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
594 u8
acpi_ut_safe_strcpy(char *dest
, acpi_size dest_size
, char *source
);
596 u8
acpi_ut_safe_strcat(char *dest
, acpi_size dest_size
, char *source
);
599 acpi_ut_safe_strncat(char *dest
,
601 char *source
, acpi_size max_transfer_length
);
605 * utmutex - mutex support
607 acpi_status
acpi_ut_mutex_initialize(void);
609 void acpi_ut_mutex_terminate(void);
611 acpi_status
acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id
);
613 acpi_status
acpi_ut_release_mutex(acpi_mutex_handle mutex_id
);
616 * utalloc - memory allocation and object caching
618 acpi_status
acpi_ut_create_caches(void);
620 acpi_status
acpi_ut_delete_caches(void);
622 acpi_status
acpi_ut_validate_buffer(struct acpi_buffer
*buffer
);
625 acpi_ut_initialize_buffer(struct acpi_buffer
*buffer
,
626 acpi_size required_length
);
628 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
629 void *acpi_ut_allocate_and_track(acpi_size size
,
630 u32 component
, const char *module
, u32 line
);
632 void *acpi_ut_allocate_zeroed_and_track(acpi_size size
,
634 const char *module
, u32 line
);
637 acpi_ut_free_and_track(void *address
,
638 u32 component
, const char *module
, u32 line
);
640 void acpi_ut_dump_allocation_info(void);
642 void acpi_ut_dump_allocations(u32 component
, const char *module
);
645 acpi_ut_create_list(const char *list_name
,
646 u16 object_size
, struct acpi_memory_list
**return_cache
);
648 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
651 * utaddress - address range check
654 acpi_ut_add_address_range(acpi_adr_space_type space_id
,
655 acpi_physical_address address
,
656 u32 length
, struct acpi_namespace_node
*region_node
);
659 acpi_ut_remove_address_range(acpi_adr_space_type space_id
,
660 struct acpi_namespace_node
*region_node
);
663 acpi_ut_check_address_range(acpi_adr_space_type space_id
,
664 acpi_physical_address address
, u32 length
, u8 warn
);
666 void acpi_ut_delete_address_lists(void);
669 * utxferror - various error/warning output functions
671 void ACPI_INTERNAL_VAR_XFACE
672 acpi_ut_predefined_warning(const char *module_name
,
675 u8 node_flags
, const char *format
, ...);
677 void ACPI_INTERNAL_VAR_XFACE
678 acpi_ut_predefined_info(const char *module_name
,
680 char *pathname
, u8 node_flags
, const char *format
, ...);
682 void ACPI_INTERNAL_VAR_XFACE
683 acpi_ut_predefined_bios_error(const char *module_name
,
686 u8 node_flags
, const char *format
, ...);
689 acpi_ut_namespace_error(const char *module_name
,
691 const char *internal_name
, acpi_status lookup_status
);
694 acpi_ut_method_error(const char *module_name
,
697 struct acpi_namespace_node
*node
,
698 const char *path
, acpi_status lookup_status
);
701 * Utility functions for ACPI names and IDs
703 const struct ah_predefined_name
*acpi_ah_match_predefined_name(char *nameseg
);
705 const struct ah_device_id
*acpi_ah_match_hardware_id(char *hid
);
707 const char *acpi_ah_match_uuid(u8
*data
);
710 * utprint - printf/vprintf output functions
712 const char *acpi_ut_scan_number(const char *string
, u64
*number_ptr
);
714 const char *acpi_ut_print_number(char *string
, u64 number
);
717 acpi_ut_vsnprintf(char *string
,
718 acpi_size size
, const char *format
, va_list args
);
720 int acpi_ut_snprintf(char *string
, acpi_size size
, const char *format
, ...);
722 #ifdef ACPI_APPLICATION
723 int acpi_ut_file_vprintf(ACPI_FILE file
, const char *format
, va_list args
);
725 int acpi_ut_file_printf(ACPI_FILE file
, const char *format
, ...);
729 * utuuid -- UUID support functions
731 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
732 void acpi_ut_convert_string_to_uuid(char *in_string
, u8
*uuid_buffer
);
735 #endif /* _ACUTILS_H */