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 - 2018, Intel Corp.
8 *****************************************************************************/
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
[];
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
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);
75 * non-iASL case - no redirection, nothing to do
77 #define ACPI_MSG_REDIRECT_BEGIN
78 #define ACPI_MSG_REDIRECT_END
82 * Common error message prefixes
84 #ifndef ACPI_MSG_ERROR
85 #define ACPI_MSG_ERROR "ACPI Error: "
87 #ifndef ACPI_MSG_WARNING
88 #define ACPI_MSG_WARNING "ACPI Warning: "
91 #define ACPI_MSG_INFO "ACPI: "
94 #ifndef ACPI_MSG_BIOS_ERROR
95 #define ACPI_MSG_BIOS_ERROR "Firmware Error (ACPI): "
97 #ifndef ACPI_MSG_BIOS_WARNING
98 #define ACPI_MSG_BIOS_WARNING "Firmware Warning (ACPI): "
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
120 acpi_status (*acpi_walk_aml_callback
) (u8
*aml
,
123 u8 resource_index
, void **context
);
126 acpi_status (*acpi_pkg_callback
) (u8 object_type
,
127 union acpi_operand_object
* source_object
,
128 union acpi_generic_state
* state
,
131 struct acpi_pkg_info
{
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 1
146 #define DB_WORD_DISPLAY 2
147 #define DB_DWORD_DISPLAY 4
148 #define DB_QWORD_DISPLAY 8
151 * utascii - ASCII utilities
153 u8
acpi_ut_valid_nameseg(char *signature
);
155 u8
acpi_ut_valid_name_char(char character
, u32 position
);
157 void acpi_ut_check_and_repair_ascii(u8
*name
, char *repaired_name
, u32 count
);
160 * utnonansi - Non-ANSI C library functions
162 void acpi_ut_strupr(char *src_string
);
164 void acpi_ut_strlwr(char *src_string
);
166 int acpi_ut_stricmp(char *string1
, char *string2
);
169 * utstrsuppt - string-to-integer conversion support functions
171 acpi_status
acpi_ut_convert_octal_string(char *string
, u64
*return_value
);
173 acpi_status
acpi_ut_convert_decimal_string(char *string
, u64
*return_value_ptr
);
175 acpi_status
acpi_ut_convert_hex_string(char *string
, u64
*return_value_ptr
);
177 char acpi_ut_remove_whitespace(char **string
);
179 char acpi_ut_remove_leading_zeros(char **string
);
181 u8
acpi_ut_detect_hex_prefix(char **string
);
183 void acpi_ut_remove_hex_prefix(char **string
);
185 u8
acpi_ut_detect_octal_prefix(char **string
);
188 * utstrtoul64 - string-to-integer conversion functions
190 acpi_status
acpi_ut_strtoul64(char *string
, u64
*ret_integer
);
192 u64
acpi_ut_explicit_strtoul64(char *string
);
194 u64
acpi_ut_implicit_strtoul64(char *string
);
197 * utglobal - Global data structures and procedures
199 acpi_status
acpi_ut_init_globals(void);
201 const char *acpi_ut_get_mutex_name(u32 mutex_id
);
203 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
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 const char *acpi_ut_get_argument_type_name(u32 arg_type
);
224 char acpi_ut_hex_to_ascii_char(u64 integer
, u32 position
);
226 acpi_status
acpi_ut_ascii_to_hex_byte(char *two_ascii_chars
, u8
*return_byte
);
228 u8
acpi_ut_ascii_char_to_hex(int hex_char
);
230 u8
acpi_ut_valid_object_type(acpi_object_type type
);
233 * utinit - miscellaneous initialization and shutdown
235 acpi_status
acpi_ut_hardware_initialize(void);
237 void acpi_ut_subsystem_shutdown(void);
240 * utcopy - Object construction and conversion interfaces
243 acpi_ut_build_simple_object(union acpi_operand_object
*obj
,
244 union acpi_object
*user_obj
,
245 u8
*data_space
, u32
*buffer_space_used
);
248 acpi_ut_build_package_object(union acpi_operand_object
*obj
,
249 u8
*buffer
, u32
*space_used
);
252 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object
*obj
,
253 struct acpi_buffer
*ret_buffer
);
256 acpi_ut_copy_eobject_to_iobject(union acpi_object
*obj
,
257 union acpi_operand_object
**internal_obj
);
260 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object
*source_obj
,
261 union acpi_operand_object
*dest_obj
);
264 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object
*source_desc
,
265 union acpi_operand_object
**dest_desc
,
266 struct acpi_walk_state
*walk_state
);
269 * utcreate - Object creation
272 acpi_ut_update_object_reference(union acpi_operand_object
*object
, u16 action
);
275 * utdebug - Debug interfaces
277 void acpi_ut_init_stack_ptr_trace(void);
279 void acpi_ut_track_stack_ptr(void);
282 acpi_ut_trace(u32 line_number
,
283 const char *function_name
,
284 const char *module_name
, u32 component_id
);
287 acpi_ut_trace_ptr(u32 line_number
,
288 const char *function_name
,
289 const char *module_name
,
290 u32 component_id
, const void *pointer
);
293 acpi_ut_trace_u32(u32 line_number
,
294 const char *function_name
,
295 const char *module_name
, u32 component_id
, u32 integer
);
298 acpi_ut_trace_str(u32 line_number
,
299 const char *function_name
,
300 const char *module_name
,
301 u32 component_id
, const char *string
);
304 acpi_ut_exit(u32 line_number
,
305 const char *function_name
,
306 const char *module_name
, u32 component_id
);
309 acpi_ut_status_exit(u32 line_number
,
310 const char *function_name
,
311 const char *module_name
,
312 u32 component_id
, acpi_status status
);
315 acpi_ut_value_exit(u32 line_number
,
316 const char *function_name
,
317 const char *module_name
, u32 component_id
, u64 value
);
320 acpi_ut_ptr_exit(u32 line_number
,
321 const char *function_name
,
322 const char *module_name
, u32 component_id
, u8
*ptr
);
325 acpi_ut_str_exit(u32 line_number
,
326 const char *function_name
,
327 const char *module_name
, u32 component_id
, const char *string
);
330 acpi_ut_debug_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 component_id
);
332 void acpi_ut_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 offset
);
334 #ifdef ACPI_APPLICATION
336 acpi_ut_dump_buffer_to_file(ACPI_FILE file
,
338 u32 count
, u32 display
, u32 base_offset
);
341 void acpi_ut_report_error(char *module_name
, u32 line_number
);
343 void acpi_ut_report_info(char *module_name
, u32 line_number
);
345 void acpi_ut_report_warning(char *module_name
, u32 line_number
);
348 * utdelete - Object deletion and reference counts
350 void acpi_ut_add_reference(union acpi_operand_object
*object
);
352 void acpi_ut_remove_reference(union acpi_operand_object
*object
);
354 void acpi_ut_delete_internal_package_object(union acpi_operand_object
*object
);
356 void acpi_ut_delete_internal_simple_object(union acpi_operand_object
*object
);
358 void acpi_ut_delete_internal_object_list(union acpi_operand_object
**obj_list
);
361 * uteval - object evaluation
364 acpi_ut_evaluate_object(struct acpi_namespace_node
*prefix_node
,
366 u32 expected_return_btypes
,
367 union acpi_operand_object
**return_desc
);
370 acpi_ut_evaluate_numeric_object(const char *object_name
,
371 struct acpi_namespace_node
*device_node
,
375 acpi_ut_execute_STA(struct acpi_namespace_node
*device_node
, u32
*status_flags
);
378 acpi_ut_execute_power_methods(struct acpi_namespace_node
*device_node
,
379 const char **method_names
,
380 u8 method_count
, u8
*out_values
);
383 * utids - device ID support
386 acpi_ut_execute_HID(struct acpi_namespace_node
*device_node
,
387 struct acpi_pnp_device_id
** return_id
);
390 acpi_ut_execute_UID(struct acpi_namespace_node
*device_node
,
391 struct acpi_pnp_device_id
** return_id
);
394 acpi_ut_execute_CID(struct acpi_namespace_node
*device_node
,
395 struct acpi_pnp_device_id_list
** return_cid_list
);
398 acpi_ut_execute_CLS(struct acpi_namespace_node
*device_node
,
399 struct acpi_pnp_device_id
**return_id
);
402 * utlock - reader/writer locks
404 acpi_status
acpi_ut_create_rw_lock(struct acpi_rw_lock
*lock
);
406 void acpi_ut_delete_rw_lock(struct acpi_rw_lock
*lock
);
408 acpi_status
acpi_ut_acquire_read_lock(struct acpi_rw_lock
*lock
);
410 acpi_status
acpi_ut_release_read_lock(struct acpi_rw_lock
*lock
);
412 acpi_status
acpi_ut_acquire_write_lock(struct acpi_rw_lock
*lock
);
414 void acpi_ut_release_write_lock(struct acpi_rw_lock
*lock
);
417 * utobject - internal object create/delete/cache routines
419 union acpi_operand_object
*acpi_ut_create_internal_object_dbg(const char
426 void *acpi_ut_allocate_object_desc_dbg(const char *module_name
,
427 u32 line_number
, u32 component_id
);
429 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
430 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
432 void acpi_ut_delete_object_desc(union acpi_operand_object
*object
);
434 u8
acpi_ut_valid_internal_object(void *object
);
436 union acpi_operand_object
*acpi_ut_create_package_object(u32 count
);
438 union acpi_operand_object
*acpi_ut_create_integer_object(u64 value
);
440 union acpi_operand_object
*acpi_ut_create_buffer_object(acpi_size buffer_size
);
442 union acpi_operand_object
*acpi_ut_create_string_object(acpi_size string_size
);
445 acpi_ut_get_object_size(union acpi_operand_object
*obj
, acpi_size
*obj_length
);
448 * utosi - Support for the _OSI predefined control method
450 acpi_status
acpi_ut_initialize_interfaces(void);
452 acpi_status
acpi_ut_interface_terminate(void);
454 acpi_status
acpi_ut_install_interface(acpi_string interface_name
);
456 acpi_status
acpi_ut_remove_interface(acpi_string interface_name
);
458 acpi_status
acpi_ut_update_interfaces(u8 action
);
460 struct acpi_interface_info
*acpi_ut_get_interface(acpi_string interface_name
);
462 acpi_status
acpi_ut_osi_implementation(struct acpi_walk_state
*walk_state
);
465 * utpredef - support for predefined names
467 const union acpi_predefined_info
*acpi_ut_get_next_predefined_method(const union
471 const union acpi_predefined_info
*acpi_ut_match_predefined_method(char *name
);
473 void acpi_ut_get_expected_return_types(char *buffer
, u32 expected_btypes
);
475 #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP)
476 const union acpi_predefined_info
*acpi_ut_match_resource_name(char *name
);
479 acpi_ut_display_predefined_method(char *buffer
,
480 const union acpi_predefined_info
*this_name
,
483 u32
acpi_ut_get_resource_bit_width(char *buffer
, u16 types
);
487 * utstate - Generic state creation/cache routines
490 acpi_ut_push_generic_state(union acpi_generic_state
**list_head
,
491 union acpi_generic_state
*state
);
493 union acpi_generic_state
*acpi_ut_pop_generic_state(union acpi_generic_state
496 union acpi_generic_state
*acpi_ut_create_generic_state(void);
498 struct acpi_thread_state
*acpi_ut_create_thread_state(void);
500 union acpi_generic_state
*acpi_ut_create_update_state(union acpi_operand_object
501 *object
, u16 action
);
503 union acpi_generic_state
*acpi_ut_create_pkg_state(void *internal_object
,
504 void *external_object
,
508 acpi_ut_create_update_state_and_push(union acpi_operand_object
*object
,
510 union acpi_generic_state
**state_list
);
512 union acpi_generic_state
*acpi_ut_create_control_state(void);
514 void acpi_ut_delete_generic_state(union acpi_generic_state
*state
);
520 acpi_ut_divide(u64 in_dividend
,
521 u64 in_divisor
, u64
*out_quotient
, u64
*out_remainder
);
524 acpi_ut_short_divide(u64 in_dividend
,
525 u32 divisor
, u64
*out_quotient
, u32
*out_remainder
);
528 acpi_ut_short_multiply(u64 in_multiplicand
, u32 multiplier
, u64
*outproduct
);
530 acpi_status
acpi_ut_short_shift_left(u64 operand
, u32 count
, u64
*out_result
);
532 acpi_status
acpi_ut_short_shift_right(u64 operand
, u32 count
, u64
*out_result
);
537 const struct acpi_exception_info
*acpi_ut_validate_exception(acpi_status
540 u8
acpi_ut_is_pci_root_bridge(char *id
);
542 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
543 u8
acpi_ut_is_aml_table(struct acpi_table_header
*table
);
547 acpi_ut_walk_package_tree(union acpi_operand_object
*source_object
,
549 acpi_pkg_callback walk_callback
, void *context
);
551 /* Values for Base above (16=Hex, 10=Decimal) */
553 #define ACPI_ANY_BASE 0
555 u32
acpi_ut_dword_byte_swap(u32 value
);
557 void acpi_ut_set_integer_width(u8 revision
);
559 #ifdef ACPI_DEBUG_OUTPUT
561 acpi_ut_display_init_pathname(u8 type
,
562 struct acpi_namespace_node
*obj_handle
,
567 * utownerid - Support for Table/Method Owner IDs
569 acpi_status
acpi_ut_allocate_owner_id(acpi_owner_id
*owner_id
);
571 void acpi_ut_release_owner_id(acpi_owner_id
*owner_id
);
577 acpi_ut_walk_aml_resources(struct acpi_walk_state
*walk_state
,
579 acpi_size aml_length
,
580 acpi_walk_aml_callback user_function
,
584 acpi_ut_validate_resource(struct acpi_walk_state
*walk_state
,
585 void *aml
, u8
*return_index
);
587 u32
acpi_ut_get_descriptor_length(void *aml
);
589 u16
acpi_ut_get_resource_length(void *aml
);
591 u8
acpi_ut_get_resource_header_length(void *aml
);
593 u8
acpi_ut_get_resource_type(void *aml
);
596 acpi_ut_get_resource_end_tag(union acpi_operand_object
*obj_desc
, u8
**end_tag
);
599 * utstring - String and character utilities
601 void acpi_ut_print_string(char *string
, u16 max_length
);
603 #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
604 void ut_convert_backslashes(char *pathname
);
607 void acpi_ut_repair_name(char *name
);
609 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
610 u8
acpi_ut_safe_strcpy(char *dest
, acpi_size dest_size
, char *source
);
612 void acpi_ut_safe_strncpy(char *dest
, char *source
, acpi_size dest_size
);
614 u8
acpi_ut_safe_strcat(char *dest
, acpi_size dest_size
, char *source
);
617 acpi_ut_safe_strncat(char *dest
,
619 char *source
, acpi_size max_transfer_length
);
623 * utmutex - mutex support
625 acpi_status
acpi_ut_mutex_initialize(void);
627 void acpi_ut_mutex_terminate(void);
629 acpi_status
acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id
);
631 acpi_status
acpi_ut_release_mutex(acpi_mutex_handle mutex_id
);
634 * utalloc - memory allocation and object caching
636 acpi_status
acpi_ut_create_caches(void);
638 acpi_status
acpi_ut_delete_caches(void);
640 acpi_status
acpi_ut_validate_buffer(struct acpi_buffer
*buffer
);
643 acpi_ut_initialize_buffer(struct acpi_buffer
*buffer
,
644 acpi_size required_length
);
646 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
647 void *acpi_ut_allocate_and_track(acpi_size size
,
648 u32 component
, const char *module
, u32 line
);
650 void *acpi_ut_allocate_zeroed_and_track(acpi_size size
,
652 const char *module
, u32 line
);
655 acpi_ut_free_and_track(void *address
,
656 u32 component
, const char *module
, u32 line
);
658 void acpi_ut_dump_allocation_info(void);
660 void acpi_ut_dump_allocations(u32 component
, const char *module
);
663 acpi_ut_create_list(const char *list_name
,
664 u16 object_size
, struct acpi_memory_list
**return_cache
);
666 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
669 * utaddress - address range check
672 acpi_ut_add_address_range(acpi_adr_space_type space_id
,
673 acpi_physical_address address
,
674 u32 length
, struct acpi_namespace_node
*region_node
);
677 acpi_ut_remove_address_range(acpi_adr_space_type space_id
,
678 struct acpi_namespace_node
*region_node
);
681 acpi_ut_check_address_range(acpi_adr_space_type space_id
,
682 acpi_physical_address address
, u32 length
, u8 warn
);
684 void acpi_ut_delete_address_lists(void);
687 * utxferror - various error/warning output functions
689 void ACPI_INTERNAL_VAR_XFACE
690 acpi_ut_predefined_warning(const char *module_name
,
693 u8 node_flags
, const char *format
, ...);
695 void ACPI_INTERNAL_VAR_XFACE
696 acpi_ut_predefined_info(const char *module_name
,
698 char *pathname
, u8 node_flags
, const char *format
, ...);
700 void ACPI_INTERNAL_VAR_XFACE
701 acpi_ut_predefined_bios_error(const char *module_name
,
704 u8 node_flags
, const char *format
, ...);
707 acpi_ut_prefixed_namespace_error(const char *module_name
,
709 union acpi_generic_state
*prefix_scope
,
710 const char *internal_name
,
711 acpi_status lookup_status
);
714 acpi_ut_method_error(const char *module_name
,
717 struct acpi_namespace_node
*node
,
718 const char *path
, acpi_status lookup_status
);
721 * Utility functions for ACPI names and IDs
723 const struct ah_predefined_name
*acpi_ah_match_predefined_name(char *nameseg
);
725 const struct ah_device_id
*acpi_ah_match_hardware_id(char *hid
);
727 const char *acpi_ah_match_uuid(u8
*data
);
730 * utuuid -- UUID support functions
732 #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
733 void acpi_ut_convert_string_to_uuid(char *in_string
, u8
*uuid_buffer
);
736 #endif /* _ACUTILS_H */