1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2014, Intel Corp.
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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
98 extern FILE *acpi_gbl_output_file;
100 #define ACPI_MSG_REDIRECT_BEGIN \
101 FILE *output_file = acpi_gbl_output_file; \
102 acpi_os_redirect_output (stderr);
104 #define ACPI_MSG_REDIRECT_END \
105 acpi_os_redirect_output (output_file);
109 * non-iASL case - no redirection, nothing to do
111 #define ACPI_MSG_REDIRECT_BEGIN
112 #define ACPI_MSG_REDIRECT_END
116 * Common error message prefixes
118 #define ACPI_MSG_ERROR "ACPI Error: "
119 #define ACPI_MSG_EXCEPTION "ACPI Exception: "
120 #define ACPI_MSG_WARNING "ACPI Warning: "
121 #define ACPI_MSG_INFO "ACPI: "
123 #define ACPI_MSG_BIOS_ERROR "ACPI BIOS Error (bug): "
124 #define ACPI_MSG_BIOS_WARNING "ACPI BIOS Warning (bug): "
127 * Common message suffix
129 #define ACPI_MSG_SUFFIX \
130 acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
132 /* Types for Resource descriptor entries */
134 #define ACPI_INVALID_RESOURCE 0
135 #define ACPI_FIXED_LENGTH 1
136 #define ACPI_VARIABLE_LENGTH 2
137 #define ACPI_SMALL_VARIABLE_LENGTH 3
140 acpi_status(*acpi_walk_aml_callback) (u8 *aml,
143 u8 resource_index, void **context);
146 acpi_status(*acpi_pkg_callback) (u8 object_type,
147 union acpi_operand_object *source_object,
148 union acpi_generic_state * state,
151 struct acpi_pkg_info {
158 /* Object reference counts */
160 #define REF_INCREMENT (u16) 0
161 #define REF_DECREMENT (u16) 1
163 /* acpi_ut_dump_buffer */
165 #define DB_BYTE_DISPLAY 1
166 #define DB_WORD_DISPLAY 2
167 #define DB_DWORD_DISPLAY 4
168 #define DB_QWORD_DISPLAY 8
171 * utglobal - Global data structures and procedures
173 acpi_status acpi_ut_init_globals(void);
175 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
177 char *acpi_ut_get_mutex_name(u32 mutex_id);
179 const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
182 char *acpi_ut_get_type_name(acpi_object_type type);
184 char *acpi_ut_get_node_name(void *object);
186 char *acpi_ut_get_descriptor_name(void *object);
188 const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
190 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
192 char *acpi_ut_get_region_name(u8 space_id);
194 char *acpi_ut_get_event_name(u32 event_id);
196 char acpi_ut_hex_to_ascii_char(u64 integer, u32 position);
198 u8 acpi_ut_valid_object_type(acpi_object_type type);
201 * utinit - miscellaneous initialization and shutdown
203 acpi_status acpi_ut_hardware_initialize(void);
205 void acpi_ut_subsystem_shutdown(void);
208 * utclib - Local implementations of C library functions
210 #ifndef ACPI_USE_SYSTEM_CLIBRARY
212 acpi_size acpi_ut_strlen(const char *string);
214 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
216 char *acpi_ut_strncpy(char *dst_string,
217 const char *src_string, acpi_size count);
219 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
221 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
223 int acpi_ut_strcmp(const char *string1, const char *string2);
225 char *acpi_ut_strcat(char *dst_string, const char *src_string);
227 char *acpi_ut_strncat(char *dst_string,
228 const char *src_string, acpi_size count);
230 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
232 char *acpi_ut_strstr(char *string1, char *string2);
234 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
236 void *acpi_ut_memset(void *dest, u8 value, acpi_size count);
238 int acpi_ut_to_upper(int c);
240 int acpi_ut_to_lower(int c);
242 extern const u8 _acpi_ctype[];
244 #define _ACPI_XA 0x00 /* extra alphabetic - not supported */
245 #define _ACPI_XS 0x40 /* extra space */
246 #define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
247 #define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
248 #define _ACPI_DI 0x04 /* '0'-'9' */
249 #define _ACPI_LO 0x02 /* 'a'-'z' */
250 #define _ACPI_PU 0x10 /* punctuation */
251 #define _ACPI_SP 0x08 /* space */
252 #define _ACPI_UP 0x01 /* 'A'-'Z' */
253 #define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
255 #define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
256 #define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
257 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
258 #define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
259 #define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
260 #define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
261 #define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
263 #endif /* !ACPI_USE_SYSTEM_CLIBRARY */
265 #define ACPI_IS_ASCII(c) ((c) < 0x80)
268 * utcopy - Object construction and conversion interfaces
271 acpi_ut_build_simple_object(union acpi_operand_object *obj,
272 union acpi_object *user_obj,
273 u8 *data_space, u32 *buffer_space_used);
276 acpi_ut_build_package_object(union acpi_operand_object *obj,
277 u8 *buffer, u32 *space_used);
280 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
281 struct acpi_buffer *ret_buffer);
284 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
285 union acpi_operand_object **internal_obj);
288 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
289 union acpi_operand_object *dest_obj);
292 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
293 union acpi_operand_object **dest_desc,
294 struct acpi_walk_state *walk_state);
297 * utcreate - Object creation
300 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
303 * utdebug - Debug interfaces
305 void acpi_ut_init_stack_ptr_trace(void);
307 void acpi_ut_track_stack_ptr(void);
310 acpi_ut_trace(u32 line_number,
311 const char *function_name,
312 const char *module_name, u32 component_id);
315 acpi_ut_trace_ptr(u32 line_number,
316 const char *function_name,
317 const char *module_name, u32 component_id, void *pointer);
320 acpi_ut_trace_u32(u32 line_number,
321 const char *function_name,
322 const char *module_name, u32 component_id, u32 integer);
325 acpi_ut_trace_str(u32 line_number,
326 const char *function_name,
327 const char *module_name, u32 component_id, char *string);
330 acpi_ut_exit(u32 line_number,
331 const char *function_name,
332 const char *module_name, u32 component_id);
335 acpi_ut_status_exit(u32 line_number,
336 const char *function_name,
337 const char *module_name,
338 u32 component_id, acpi_status status);
341 acpi_ut_value_exit(u32 line_number,
342 const char *function_name,
343 const char *module_name, u32 component_id, u64 value);
346 acpi_ut_ptr_exit(u32 line_number,
347 const char *function_name,
348 const char *module_name, u32 component_id, u8 *ptr);
351 acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id);
353 void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset);
355 void acpi_ut_report_error(char *module_name, u32 line_number);
357 void acpi_ut_report_info(char *module_name, u32 line_number);
359 void acpi_ut_report_warning(char *module_name, u32 line_number);
362 * utdelete - Object deletion and reference counts
364 void acpi_ut_add_reference(union acpi_operand_object *object);
366 void acpi_ut_remove_reference(union acpi_operand_object *object);
368 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
370 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
372 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
375 * uteval - object evaluation
378 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
380 u32 expected_return_btypes,
381 union acpi_operand_object **return_desc);
384 acpi_ut_evaluate_numeric_object(char *object_name,
385 struct acpi_namespace_node *device_node,
389 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
392 acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
393 const char **method_names,
394 u8 method_count, u8 *out_values);
397 * utids - device ID support
400 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
401 struct acpi_pnp_device_id ** return_id);
404 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
405 struct acpi_pnp_device_id ** return_id);
408 acpi_ut_execute_SUB(struct acpi_namespace_node *device_node,
409 struct acpi_pnp_device_id **return_id);
412 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
413 struct acpi_pnp_device_id_list ** return_cid_list);
416 * utlock - reader/writer locks
418 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
420 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
422 acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
424 acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
426 acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
428 void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
431 * utobject - internal object create/delete/cache routines
433 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
440 void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
441 u32 line_number, u32 component_id);
443 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
444 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
446 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
448 u8 acpi_ut_valid_internal_object(void *object);
450 union acpi_operand_object *acpi_ut_create_package_object(u32 count);
452 union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
454 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
456 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
459 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
462 * utosi - Support for the _OSI predefined control method
464 acpi_status acpi_ut_initialize_interfaces(void);
466 acpi_status acpi_ut_interface_terminate(void);
468 acpi_status acpi_ut_install_interface(acpi_string interface_name);
470 acpi_status acpi_ut_remove_interface(acpi_string interface_name);
472 acpi_status acpi_ut_update_interfaces(u8 action);
474 struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
476 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
479 * utpredef - support for predefined names
481 const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
485 const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
487 const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
490 acpi_ut_display_predefined_method(char *buffer,
491 const union acpi_predefined_info *this_name,
494 void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
496 u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
499 * utstate - Generic state creation/cache routines
502 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
503 union acpi_generic_state *state);
505 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
508 union acpi_generic_state *acpi_ut_create_generic_state(void);
510 struct acpi_thread_state *acpi_ut_create_thread_state(void);
512 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
513 *object, u16 action);
515 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
516 void *external_object,
520 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
522 union acpi_generic_state **state_list);
524 #ifdef ACPI_FUTURE_USAGE
526 acpi_ut_create_pkg_state_and_push(void *internal_object,
527 void *external_object,
529 union acpi_generic_state **state_list);
530 #endif /* ACPI_FUTURE_USAGE */
532 union acpi_generic_state *acpi_ut_create_control_state(void);
534 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
540 acpi_ut_divide(u64 in_dividend,
541 u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
544 acpi_ut_short_divide(u64 in_dividend,
545 u32 divisor, u64 *out_quotient, u32 *out_remainder);
550 const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
553 u8 acpi_ut_is_pci_root_bridge(char *id);
555 u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
558 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
560 acpi_pkg_callback walk_callback, void *context);
562 /* Values for Base above (16=Hex, 10=Decimal) */
564 #define ACPI_ANY_BASE 0
566 u32 acpi_ut_dword_byte_swap(u32 value);
568 void acpi_ut_set_integer_width(u8 revision);
570 #ifdef ACPI_DEBUG_OUTPUT
572 acpi_ut_display_init_pathname(u8 type,
573 struct acpi_namespace_node *obj_handle,
578 * utownerid - Support for Table/Method Owner IDs
580 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
582 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
588 acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
590 acpi_size aml_length,
591 acpi_walk_aml_callback user_function,
595 acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
596 void *aml, u8 *return_index);
598 u32 acpi_ut_get_descriptor_length(void *aml);
600 u16 acpi_ut_get_resource_length(void *aml);
602 u8 acpi_ut_get_resource_header_length(void *aml);
604 u8 acpi_ut_get_resource_type(void *aml);
607 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
610 * utstring - String and character utilities
612 void acpi_ut_strupr(char *src_string);
614 void acpi_ut_strlwr(char *src_string);
616 int acpi_ut_stricmp(char *string1, char *string2);
618 acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
620 void acpi_ut_print_string(char *string, u16 max_length);
622 void ut_convert_backslashes(char *pathname);
624 u8 acpi_ut_valid_acpi_name(char *name);
626 u8 acpi_ut_valid_acpi_char(char character, u32 position);
628 void acpi_ut_repair_name(char *name);
630 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION)
631 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
633 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
636 acpi_ut_safe_strncat(char *dest,
638 char *source, acpi_size max_transfer_length);
642 * utmutex - mutex support
644 acpi_status acpi_ut_mutex_initialize(void);
646 void acpi_ut_mutex_terminate(void);
648 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
650 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
653 * utalloc - memory allocation and object caching
655 acpi_status acpi_ut_create_caches(void);
657 acpi_status acpi_ut_delete_caches(void);
659 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
662 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
663 acpi_size required_length);
665 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
666 void *acpi_ut_allocate_and_track(acpi_size size,
667 u32 component, const char *module, u32 line);
669 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
671 const char *module, u32 line);
674 acpi_ut_free_and_track(void *address,
675 u32 component, const char *module, u32 line);
677 #ifdef ACPI_FUTURE_USAGE
678 void acpi_ut_dump_allocation_info(void);
679 #endif /* ACPI_FUTURE_USAGE */
681 void acpi_ut_dump_allocations(u32 component, const char *module);
684 acpi_ut_create_list(char *list_name,
685 u16 object_size, struct acpi_memory_list **return_cache);
687 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
690 * utaddress - address range check
693 acpi_ut_add_address_range(acpi_adr_space_type space_id,
694 acpi_physical_address address,
695 u32 length, struct acpi_namespace_node *region_node);
698 acpi_ut_remove_address_range(acpi_adr_space_type space_id,
699 struct acpi_namespace_node *region_node);
702 acpi_ut_check_address_range(acpi_adr_space_type space_id,
703 acpi_physical_address address, u32 length, u8 warn);
705 void acpi_ut_delete_address_lists(void);
708 * utxferror - various error/warning output functions
710 void ACPI_INTERNAL_VAR_XFACE
711 acpi_ut_predefined_warning(const char *module_name,
714 u8 node_flags, const char *format, ...);
716 void ACPI_INTERNAL_VAR_XFACE
717 acpi_ut_predefined_info(const char *module_name,
719 char *pathname, u8 node_flags, const char *format, ...);
721 void ACPI_INTERNAL_VAR_XFACE
722 acpi_ut_predefined_bios_error(const char *module_name,
725 u8 node_flags, const char *format, ...);
728 acpi_ut_namespace_error(const char *module_name,
730 const char *internal_name, acpi_status lookup_status);
733 acpi_ut_method_error(const char *module_name,
736 struct acpi_namespace_node *node,
737 const char *path, acpi_status lookup_status);
740 * Utility functions for ACPI names and IDs
742 const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
744 const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
746 #endif /* _ACUTILS_H */