1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2013, 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
27 * GNU General Public License ("GPL") version 2 as published by the Free
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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_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
[];
90 /* Types for Resource descriptor entries */
92 #define ACPI_INVALID_RESOURCE 0
93 #define ACPI_FIXED_LENGTH 1
94 #define ACPI_VARIABLE_LENGTH 2
95 #define ACPI_SMALL_VARIABLE_LENGTH 3
98 acpi_status(*acpi_walk_aml_callback
) (u8
*aml
,
101 u8 resource_index
, void **context
);
104 acpi_status(*acpi_pkg_callback
) (u8 object_type
,
105 union acpi_operand_object
*source_object
,
106 union acpi_generic_state
* state
,
109 struct acpi_pkg_info
{
116 /* Object reference counts */
118 #define REF_INCREMENT (u16) 0
119 #define REF_DECREMENT (u16) 1
121 /* acpi_ut_dump_buffer */
123 #define DB_BYTE_DISPLAY 1
124 #define DB_WORD_DISPLAY 2
125 #define DB_DWORD_DISPLAY 4
126 #define DB_QWORD_DISPLAY 8
129 * utglobal - Global data structures and procedures
131 acpi_status
acpi_ut_init_globals(void);
133 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
135 char *acpi_ut_get_mutex_name(u32 mutex_id
);
137 const char *acpi_ut_get_notify_name(u32 notify_value
);
141 char *acpi_ut_get_type_name(acpi_object_type type
);
143 char *acpi_ut_get_node_name(void *object
);
145 char *acpi_ut_get_descriptor_name(void *object
);
147 const char *acpi_ut_get_reference_name(union acpi_operand_object
*object
);
149 char *acpi_ut_get_object_type_name(union acpi_operand_object
*obj_desc
);
151 char *acpi_ut_get_region_name(u8 space_id
);
153 char *acpi_ut_get_event_name(u32 event_id
);
155 char acpi_ut_hex_to_ascii_char(u64 integer
, u32 position
);
157 u8
acpi_ut_valid_object_type(acpi_object_type type
);
160 * utinit - miscellaneous initialization and shutdown
162 acpi_status
acpi_ut_hardware_initialize(void);
164 void acpi_ut_subsystem_shutdown(void);
167 * utclib - Local implementations of C library functions
169 #ifndef ACPI_USE_SYSTEM_CLIBRARY
171 acpi_size
acpi_ut_strlen(const char *string
);
173 char *acpi_ut_strcpy(char *dst_string
, const char *src_string
);
175 char *acpi_ut_strncpy(char *dst_string
,
176 const char *src_string
, acpi_size count
);
178 int acpi_ut_memcmp(const char *buffer1
, const char *buffer2
, acpi_size count
);
180 int acpi_ut_strncmp(const char *string1
, const char *string2
, acpi_size count
);
182 int acpi_ut_strcmp(const char *string1
, const char *string2
);
184 char *acpi_ut_strcat(char *dst_string
, const char *src_string
);
186 char *acpi_ut_strncat(char *dst_string
,
187 const char *src_string
, acpi_size count
);
189 u32
acpi_ut_strtoul(const char *string
, char **terminator
, u32 base
);
191 char *acpi_ut_strstr(char *string1
, char *string2
);
193 void *acpi_ut_memcpy(void *dest
, const void *src
, acpi_size count
);
195 void *acpi_ut_memset(void *dest
, u8 value
, acpi_size count
);
197 int acpi_ut_to_upper(int c
);
199 int acpi_ut_to_lower(int c
);
201 extern const u8 _acpi_ctype
[];
203 #define _ACPI_XA 0x00 /* extra alphabetic - not supported */
204 #define _ACPI_XS 0x40 /* extra space */
205 #define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
206 #define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
207 #define _ACPI_DI 0x04 /* '0'-'9' */
208 #define _ACPI_LO 0x02 /* 'a'-'z' */
209 #define _ACPI_PU 0x10 /* punctuation */
210 #define _ACPI_SP 0x08 /* space */
211 #define _ACPI_UP 0x01 /* 'A'-'Z' */
212 #define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
214 #define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
215 #define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
216 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
217 #define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
218 #define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
219 #define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
220 #define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
222 #endif /* !ACPI_USE_SYSTEM_CLIBRARY */
224 #define ACPI_IS_ASCII(c) ((c) < 0x80)
227 * utcopy - Object construction and conversion interfaces
230 acpi_ut_build_simple_object(union acpi_operand_object
*obj
,
231 union acpi_object
*user_obj
,
232 u8
*data_space
, u32
*buffer_space_used
);
235 acpi_ut_build_package_object(union acpi_operand_object
*obj
,
236 u8
*buffer
, u32
*space_used
);
239 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object
*obj
,
240 struct acpi_buffer
*ret_buffer
);
243 acpi_ut_copy_eobject_to_iobject(union acpi_object
*obj
,
244 union acpi_operand_object
**internal_obj
);
247 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object
*source_obj
,
248 union acpi_operand_object
*dest_obj
);
251 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object
*source_desc
,
252 union acpi_operand_object
**dest_desc
,
253 struct acpi_walk_state
*walk_state
);
256 * utcreate - Object creation
259 acpi_ut_update_object_reference(union acpi_operand_object
*object
, u16 action
);
262 * utdebug - Debug interfaces
264 void acpi_ut_init_stack_ptr_trace(void);
266 void acpi_ut_track_stack_ptr(void);
269 acpi_ut_trace(u32 line_number
,
270 const char *function_name
,
271 const char *module_name
, u32 component_id
);
274 acpi_ut_trace_ptr(u32 line_number
,
275 const char *function_name
,
276 const char *module_name
, u32 component_id
, void *pointer
);
279 acpi_ut_trace_u32(u32 line_number
,
280 const char *function_name
,
281 const char *module_name
, u32 component_id
, u32 integer
);
284 acpi_ut_trace_str(u32 line_number
,
285 const char *function_name
,
286 const char *module_name
, u32 component_id
, char *string
);
289 acpi_ut_exit(u32 line_number
,
290 const char *function_name
,
291 const char *module_name
, u32 component_id
);
294 acpi_ut_status_exit(u32 line_number
,
295 const char *function_name
,
296 const char *module_name
,
297 u32 component_id
, acpi_status status
);
300 acpi_ut_value_exit(u32 line_number
,
301 const char *function_name
,
302 const char *module_name
, u32 component_id
, u64 value
);
305 acpi_ut_ptr_exit(u32 line_number
,
306 const char *function_name
,
307 const char *module_name
, u32 component_id
, u8
*ptr
);
310 acpi_ut_debug_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 component_id
);
312 void acpi_ut_dump_buffer(u8
*buffer
, u32 count
, u32 display
, u32 offset
);
314 void acpi_ut_report_error(char *module_name
, u32 line_number
);
316 void acpi_ut_report_info(char *module_name
, u32 line_number
);
318 void acpi_ut_report_warning(char *module_name
, u32 line_number
);
321 * utdelete - Object deletion and reference counts
323 void acpi_ut_add_reference(union acpi_operand_object
*object
);
325 void acpi_ut_remove_reference(union acpi_operand_object
*object
);
327 void acpi_ut_delete_internal_package_object(union acpi_operand_object
*object
);
329 void acpi_ut_delete_internal_simple_object(union acpi_operand_object
*object
);
331 void acpi_ut_delete_internal_object_list(union acpi_operand_object
**obj_list
);
334 * uteval - object evaluation
337 acpi_ut_evaluate_object(struct acpi_namespace_node
*prefix_node
,
339 u32 expected_return_btypes
,
340 union acpi_operand_object
**return_desc
);
343 acpi_ut_evaluate_numeric_object(char *object_name
,
344 struct acpi_namespace_node
*device_node
,
348 acpi_ut_execute_STA(struct acpi_namespace_node
*device_node
, u32
*status_flags
);
351 acpi_ut_execute_power_methods(struct acpi_namespace_node
*device_node
,
352 const char **method_names
,
353 u8 method_count
, u8
*out_values
);
356 * utids - device ID support
359 acpi_ut_execute_HID(struct acpi_namespace_node
*device_node
,
360 struct acpi_pnp_device_id
** return_id
);
363 acpi_ut_execute_UID(struct acpi_namespace_node
*device_node
,
364 struct acpi_pnp_device_id
** return_id
);
367 acpi_ut_execute_SUB(struct acpi_namespace_node
*device_node
,
368 struct acpi_pnp_device_id
**return_id
);
371 acpi_ut_execute_CID(struct acpi_namespace_node
*device_node
,
372 struct acpi_pnp_device_id_list
** return_cid_list
);
375 * utlock - reader/writer locks
377 acpi_status
acpi_ut_create_rw_lock(struct acpi_rw_lock
*lock
);
379 void acpi_ut_delete_rw_lock(struct acpi_rw_lock
*lock
);
381 acpi_status
acpi_ut_acquire_read_lock(struct acpi_rw_lock
*lock
);
383 acpi_status
acpi_ut_release_read_lock(struct acpi_rw_lock
*lock
);
385 acpi_status
acpi_ut_acquire_write_lock(struct acpi_rw_lock
*lock
);
387 void acpi_ut_release_write_lock(struct acpi_rw_lock
*lock
);
390 * utobject - internal object create/delete/cache routines
392 union acpi_operand_object
*acpi_ut_create_internal_object_dbg(const char
399 void *acpi_ut_allocate_object_desc_dbg(const char *module_name
,
400 u32 line_number
, u32 component_id
);
402 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
403 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
405 void acpi_ut_delete_object_desc(union acpi_operand_object
*object
);
407 u8
acpi_ut_valid_internal_object(void *object
);
409 union acpi_operand_object
*acpi_ut_create_package_object(u32 count
);
411 union acpi_operand_object
*acpi_ut_create_integer_object(u64 value
);
413 union acpi_operand_object
*acpi_ut_create_buffer_object(acpi_size buffer_size
);
415 union acpi_operand_object
*acpi_ut_create_string_object(acpi_size string_size
);
418 acpi_ut_get_object_size(union acpi_operand_object
*obj
, acpi_size
* obj_length
);
421 * utosi - Support for the _OSI predefined control method
423 acpi_status
acpi_ut_initialize_interfaces(void);
425 acpi_status
acpi_ut_interface_terminate(void);
427 acpi_status
acpi_ut_install_interface(acpi_string interface_name
);
429 acpi_status
acpi_ut_remove_interface(acpi_string interface_name
);
431 struct acpi_interface_info
*acpi_ut_get_interface(acpi_string interface_name
);
433 acpi_status
acpi_ut_osi_implementation(struct acpi_walk_state
*walk_state
);
436 * utpredef - support for predefined names
438 const union acpi_predefined_info
*acpi_ut_get_next_predefined_method(const union
442 const union acpi_predefined_info
*acpi_ut_match_predefined_method(char *name
);
444 const union acpi_predefined_info
*acpi_ut_match_resource_name(char *name
);
447 acpi_ut_display_predefined_method(char *buffer
,
448 const union acpi_predefined_info
*this_name
,
451 void acpi_ut_get_expected_return_types(char *buffer
, u32 expected_btypes
);
453 u32
acpi_ut_get_resource_bit_width(char *buffer
, u16 types
);
456 * utstate - Generic state creation/cache routines
459 acpi_ut_push_generic_state(union acpi_generic_state
**list_head
,
460 union acpi_generic_state
*state
);
462 union acpi_generic_state
*acpi_ut_pop_generic_state(union acpi_generic_state
465 union acpi_generic_state
*acpi_ut_create_generic_state(void);
467 struct acpi_thread_state
*acpi_ut_create_thread_state(void);
469 union acpi_generic_state
*acpi_ut_create_update_state(union acpi_operand_object
470 *object
, u16 action
);
472 union acpi_generic_state
*acpi_ut_create_pkg_state(void *internal_object
,
473 void *external_object
,
477 acpi_ut_create_update_state_and_push(union acpi_operand_object
*object
,
479 union acpi_generic_state
**state_list
);
481 #ifdef ACPI_FUTURE_USAGE
483 acpi_ut_create_pkg_state_and_push(void *internal_object
,
484 void *external_object
,
486 union acpi_generic_state
**state_list
);
487 #endif /* ACPI_FUTURE_USAGE */
489 union acpi_generic_state
*acpi_ut_create_control_state(void);
491 void acpi_ut_delete_generic_state(union acpi_generic_state
*state
);
497 acpi_ut_divide(u64 in_dividend
,
498 u64 in_divisor
, u64
*out_quotient
, u64
*out_remainder
);
501 acpi_ut_short_divide(u64 in_dividend
,
502 u32 divisor
, u64
*out_quotient
, u32
*out_remainder
);
507 const struct acpi_exception_info
*acpi_ut_validate_exception(acpi_status
510 u8
acpi_ut_is_pci_root_bridge(char *id
);
512 u8
acpi_ut_is_aml_table(struct acpi_table_header
*table
);
515 acpi_ut_walk_package_tree(union acpi_operand_object
*source_object
,
517 acpi_pkg_callback walk_callback
, void *context
);
519 /* Values for Base above (16=Hex, 10=Decimal) */
521 #define ACPI_ANY_BASE 0
523 u32
acpi_ut_dword_byte_swap(u32 value
);
525 void acpi_ut_set_integer_width(u8 revision
);
527 #ifdef ACPI_DEBUG_OUTPUT
529 acpi_ut_display_init_pathname(u8 type
,
530 struct acpi_namespace_node
*obj_handle
,
535 * utownerid - Support for Table/Method Owner IDs
537 acpi_status
acpi_ut_allocate_owner_id(acpi_owner_id
* owner_id
);
539 void acpi_ut_release_owner_id(acpi_owner_id
* owner_id
);
545 acpi_ut_walk_aml_resources(struct acpi_walk_state
*walk_state
,
547 acpi_size aml_length
,
548 acpi_walk_aml_callback user_function
,
552 acpi_ut_validate_resource(struct acpi_walk_state
*walk_state
,
553 void *aml
, u8
*return_index
);
555 u32
acpi_ut_get_descriptor_length(void *aml
);
557 u16
acpi_ut_get_resource_length(void *aml
);
559 u8
acpi_ut_get_resource_header_length(void *aml
);
561 u8
acpi_ut_get_resource_type(void *aml
);
564 acpi_ut_get_resource_end_tag(union acpi_operand_object
*obj_desc
, u8
**end_tag
);
567 * utstring - String and character utilities
569 void acpi_ut_strupr(char *src_string
);
571 void acpi_ut_strlwr(char *src_string
);
573 int acpi_ut_stricmp(char *string1
, char *string2
);
575 acpi_status
acpi_ut_strtoul64(char *string
, u32 base
, u64
*ret_integer
);
577 void acpi_ut_print_string(char *string
, u8 max_length
);
579 void ut_convert_backslashes(char *pathname
);
581 u8
acpi_ut_valid_acpi_name(u32 name
);
583 u8
acpi_ut_valid_acpi_char(char character
, u32 position
);
585 void acpi_ut_repair_name(char *name
);
588 * utmutex - mutex support
590 acpi_status
acpi_ut_mutex_initialize(void);
592 void acpi_ut_mutex_terminate(void);
594 acpi_status
acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id
);
596 acpi_status
acpi_ut_release_mutex(acpi_mutex_handle mutex_id
);
599 * utalloc - memory allocation and object caching
601 acpi_status
acpi_ut_create_caches(void);
603 acpi_status
acpi_ut_delete_caches(void);
605 acpi_status
acpi_ut_validate_buffer(struct acpi_buffer
*buffer
);
608 acpi_ut_initialize_buffer(struct acpi_buffer
*buffer
,
609 acpi_size required_length
);
611 void *acpi_ut_allocate(acpi_size size
,
612 u32 component
, const char *module
, u32 line
);
614 void *acpi_ut_allocate_zeroed(acpi_size size
,
615 u32 component
, const char *module
, u32 line
);
617 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
618 void *acpi_ut_allocate_and_track(acpi_size size
,
619 u32 component
, const char *module
, u32 line
);
621 void *acpi_ut_allocate_zeroed_and_track(acpi_size size
,
623 const char *module
, u32 line
);
626 acpi_ut_free_and_track(void *address
,
627 u32 component
, const char *module
, u32 line
);
629 #ifdef ACPI_FUTURE_USAGE
630 void acpi_ut_dump_allocation_info(void);
631 #endif /* ACPI_FUTURE_USAGE */
633 void acpi_ut_dump_allocations(u32 component
, const char *module
);
636 acpi_ut_create_list(char *list_name
,
637 u16 object_size
, struct acpi_memory_list
**return_cache
);
639 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
642 * utaddress - address range check
645 acpi_ut_add_address_range(acpi_adr_space_type space_id
,
646 acpi_physical_address address
,
647 u32 length
, struct acpi_namespace_node
*region_node
);
650 acpi_ut_remove_address_range(acpi_adr_space_type space_id
,
651 struct acpi_namespace_node
*region_node
);
654 acpi_ut_check_address_range(acpi_adr_space_type space_id
,
655 acpi_physical_address address
, u32 length
, u8 warn
);
657 void acpi_ut_delete_address_lists(void);
660 * utxferror - various error/warning output functions
662 void ACPI_INTERNAL_VAR_XFACE
663 acpi_ut_predefined_warning(const char *module_name
,
666 u8 node_flags
, const char *format
, ...);
668 void ACPI_INTERNAL_VAR_XFACE
669 acpi_ut_predefined_info(const char *module_name
,
671 char *pathname
, u8 node_flags
, const char *format
, ...);
674 acpi_ut_namespace_error(const char *module_name
,
676 const char *internal_name
, acpi_status lookup_status
);
679 acpi_ut_method_error(const char *module_name
,
682 struct acpi_namespace_node
*node
,
683 const char *path
, acpi_status lookup_status
);
685 #endif /* _ACUTILS_H */