1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2012, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
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.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
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
28 * Software Foundation.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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
[];
74 /* Types for Resource descriptor entries */
76 #define ACPI_INVALID_RESOURCE 0
77 #define ACPI_FIXED_LENGTH 1
78 #define ACPI_VARIABLE_LENGTH 2
79 #define ACPI_SMALL_VARIABLE_LENGTH 3
82 acpi_status(*acpi_walk_aml_callback
) (u8
* aml
,
85 u8 resource_index
, void **context
);
88 acpi_status(*acpi_pkg_callback
) (u8 object_type
,
89 union acpi_operand_object
* source_object
,
90 union acpi_generic_state
* state
,
93 struct acpi_pkg_info
{
100 #define REF_INCREMENT (u16) 0
101 #define REF_DECREMENT (u16) 1
102 #define REF_FORCE_DELETE (u16) 2
104 /* acpi_ut_dump_buffer */
106 #define DB_BYTE_DISPLAY 1
107 #define DB_WORD_DISPLAY 2
108 #define DB_DWORD_DISPLAY 4
109 #define DB_QWORD_DISPLAY 8
112 * utglobal - Global data structures and procedures
114 acpi_status
acpi_ut_init_globals(void);
116 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
118 char *acpi_ut_get_mutex_name(u32 mutex_id
);
120 const char *acpi_ut_get_notify_name(u32 notify_value
);
124 char *acpi_ut_get_type_name(acpi_object_type type
);
126 char *acpi_ut_get_node_name(void *object
);
128 char *acpi_ut_get_descriptor_name(void *object
);
130 const char *acpi_ut_get_reference_name(union acpi_operand_object
*object
);
132 char *acpi_ut_get_object_type_name(union acpi_operand_object
*obj_desc
);
134 char *acpi_ut_get_region_name(u8 space_id
);
136 char *acpi_ut_get_event_name(u32 event_id
);
138 char acpi_ut_hex_to_ascii_char(u64 integer
, u32 position
);
140 u8
acpi_ut_valid_object_type(acpi_object_type type
);
143 * utinit - miscellaneous initialization and shutdown
145 acpi_status
acpi_ut_hardware_initialize(void);
147 void acpi_ut_subsystem_shutdown(void);
150 * utclib - Local implementations of C library functions
152 #ifndef ACPI_USE_SYSTEM_CLIBRARY
154 acpi_size
acpi_ut_strlen(const char *string
);
156 char *acpi_ut_strcpy(char *dst_string
, const char *src_string
);
158 char *acpi_ut_strncpy(char *dst_string
,
159 const char *src_string
, acpi_size count
);
161 int acpi_ut_memcmp(const char *buffer1
, const char *buffer2
, acpi_size count
);
163 int acpi_ut_strncmp(const char *string1
, const char *string2
, acpi_size count
);
165 int acpi_ut_strcmp(const char *string1
, const char *string2
);
167 char *acpi_ut_strcat(char *dst_string
, const char *src_string
);
169 char *acpi_ut_strncat(char *dst_string
,
170 const char *src_string
, acpi_size count
);
172 u32
acpi_ut_strtoul(const char *string
, char **terminator
, u32 base
);
174 char *acpi_ut_strstr(char *string1
, char *string2
);
176 void *acpi_ut_memcpy(void *dest
, const void *src
, acpi_size count
);
178 void *acpi_ut_memset(void *dest
, u8 value
, acpi_size count
);
180 int acpi_ut_to_upper(int c
);
182 int acpi_ut_to_lower(int c
);
184 extern const u8 _acpi_ctype
[];
186 #define _ACPI_XA 0x00 /* extra alphabetic - not supported */
187 #define _ACPI_XS 0x40 /* extra space */
188 #define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */
189 #define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */
190 #define _ACPI_DI 0x04 /* '0'-'9' */
191 #define _ACPI_LO 0x02 /* 'a'-'z' */
192 #define _ACPI_PU 0x10 /* punctuation */
193 #define _ACPI_SP 0x08 /* space */
194 #define _ACPI_UP 0x01 /* 'A'-'Z' */
195 #define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */
197 #define ACPI_IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
198 #define ACPI_IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
199 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
200 #define ACPI_IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
201 #define ACPI_IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
202 #define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
203 #define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
205 #endif /* ACPI_USE_SYSTEM_CLIBRARY */
208 * utcopy - Object construction and conversion interfaces
211 acpi_ut_build_simple_object(union acpi_operand_object
*obj
,
212 union acpi_object
*user_obj
,
213 u8
* data_space
, u32
* buffer_space_used
);
216 acpi_ut_build_package_object(union acpi_operand_object
*obj
,
217 u8
* buffer
, u32
* space_used
);
220 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object
*obj
,
221 struct acpi_buffer
*ret_buffer
);
224 acpi_ut_copy_eobject_to_iobject(union acpi_object
*obj
,
225 union acpi_operand_object
**internal_obj
);
228 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object
*source_obj
,
229 union acpi_operand_object
*dest_obj
);
232 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object
*source_desc
,
233 union acpi_operand_object
**dest_desc
,
234 struct acpi_walk_state
*walk_state
);
237 * utcreate - Object creation
240 acpi_ut_update_object_reference(union acpi_operand_object
*object
, u16 action
);
243 * utdebug - Debug interfaces
245 void acpi_ut_init_stack_ptr_trace(void);
247 void acpi_ut_track_stack_ptr(void);
250 acpi_ut_trace(u32 line_number
,
251 const char *function_name
,
252 const char *module_name
, u32 component_id
);
255 acpi_ut_trace_ptr(u32 line_number
,
256 const char *function_name
,
257 const char *module_name
, u32 component_id
, void *pointer
);
260 acpi_ut_trace_u32(u32 line_number
,
261 const char *function_name
,
262 const char *module_name
, u32 component_id
, u32 integer
);
265 acpi_ut_trace_str(u32 line_number
,
266 const char *function_name
,
267 const char *module_name
, u32 component_id
, char *string
);
270 acpi_ut_exit(u32 line_number
,
271 const char *function_name
,
272 const char *module_name
, u32 component_id
);
275 acpi_ut_status_exit(u32 line_number
,
276 const char *function_name
,
277 const char *module_name
,
278 u32 component_id
, acpi_status status
);
281 acpi_ut_value_exit(u32 line_number
,
282 const char *function_name
,
283 const char *module_name
, u32 component_id
, u64 value
);
286 acpi_ut_ptr_exit(u32 line_number
,
287 const char *function_name
,
288 const char *module_name
, u32 component_id
, u8
*ptr
);
290 void acpi_ut_dump_buffer(u8
* buffer
, u32 count
, u32 display
, u32 component_id
);
292 void acpi_ut_dump_buffer2(u8
* buffer
, u32 count
, u32 display
);
294 void acpi_ut_report_error(char *module_name
, u32 line_number
);
296 void acpi_ut_report_info(char *module_name
, u32 line_number
);
298 void acpi_ut_report_warning(char *module_name
, u32 line_number
);
301 * utdelete - Object deletion and reference counts
303 void acpi_ut_add_reference(union acpi_operand_object
*object
);
305 void acpi_ut_remove_reference(union acpi_operand_object
*object
);
307 void acpi_ut_delete_internal_package_object(union acpi_operand_object
*object
);
309 void acpi_ut_delete_internal_simple_object(union acpi_operand_object
*object
);
311 void acpi_ut_delete_internal_object_list(union acpi_operand_object
**obj_list
);
314 * uteval - object evaluation
317 acpi_ut_evaluate_object(struct acpi_namespace_node
*prefix_node
,
319 u32 expected_return_btypes
,
320 union acpi_operand_object
**return_desc
);
323 acpi_ut_evaluate_numeric_object(char *object_name
,
324 struct acpi_namespace_node
*device_node
,
328 acpi_ut_execute_STA(struct acpi_namespace_node
*device_node
, u32
*status_flags
);
331 acpi_ut_execute_power_methods(struct acpi_namespace_node
*device_node
,
332 const char **method_names
,
333 u8 method_count
, u8
*out_values
);
336 * utids - device ID support
339 acpi_ut_execute_HID(struct acpi_namespace_node
*device_node
,
340 struct acpica_device_id
**return_id
);
343 acpi_ut_execute_UID(struct acpi_namespace_node
*device_node
,
344 struct acpica_device_id
**return_id
);
347 acpi_ut_execute_CID(struct acpi_namespace_node
*device_node
,
348 struct acpica_device_id_list
**return_cid_list
);
351 * utlock - reader/writer locks
353 acpi_status
acpi_ut_create_rw_lock(struct acpi_rw_lock
*lock
);
355 void acpi_ut_delete_rw_lock(struct acpi_rw_lock
*lock
);
357 acpi_status
acpi_ut_acquire_read_lock(struct acpi_rw_lock
*lock
);
359 acpi_status
acpi_ut_release_read_lock(struct acpi_rw_lock
*lock
);
361 acpi_status
acpi_ut_acquire_write_lock(struct acpi_rw_lock
*lock
);
363 void acpi_ut_release_write_lock(struct acpi_rw_lock
*lock
);
366 * utobject - internal object create/delete/cache routines
368 union acpi_operand_object
*acpi_ut_create_internal_object_dbg(const char
375 void *acpi_ut_allocate_object_desc_dbg(const char *module_name
,
376 u32 line_number
, u32 component_id
);
378 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
379 #define acpi_ut_allocate_object_desc() acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
381 void acpi_ut_delete_object_desc(union acpi_operand_object
*object
);
383 u8
acpi_ut_valid_internal_object(void *object
);
385 union acpi_operand_object
*acpi_ut_create_package_object(u32 count
);
387 union acpi_operand_object
*acpi_ut_create_integer_object(u64 value
);
389 union acpi_operand_object
*acpi_ut_create_buffer_object(acpi_size buffer_size
);
391 union acpi_operand_object
*acpi_ut_create_string_object(acpi_size string_size
);
394 acpi_ut_get_object_size(union acpi_operand_object
*obj
, acpi_size
* obj_length
);
397 * utosi - Support for the _OSI predefined control method
399 acpi_status
acpi_ut_initialize_interfaces(void);
401 void acpi_ut_interface_terminate(void);
403 acpi_status
acpi_ut_install_interface(acpi_string interface_name
);
405 acpi_status
acpi_ut_remove_interface(acpi_string interface_name
);
407 struct acpi_interface_info
*acpi_ut_get_interface(acpi_string interface_name
);
409 acpi_status
acpi_ut_osi_implementation(struct acpi_walk_state
*walk_state
);
412 * utstate - Generic state creation/cache routines
415 acpi_ut_push_generic_state(union acpi_generic_state
**list_head
,
416 union acpi_generic_state
*state
);
418 union acpi_generic_state
*acpi_ut_pop_generic_state(union acpi_generic_state
421 union acpi_generic_state
*acpi_ut_create_generic_state(void);
423 struct acpi_thread_state
*acpi_ut_create_thread_state(void);
425 union acpi_generic_state
*acpi_ut_create_update_state(union acpi_operand_object
426 *object
, u16 action
);
428 union acpi_generic_state
*acpi_ut_create_pkg_state(void *internal_object
,
429 void *external_object
,
433 acpi_ut_create_update_state_and_push(union acpi_operand_object
*object
,
435 union acpi_generic_state
**state_list
);
437 #ifdef ACPI_FUTURE_USAGE
439 acpi_ut_create_pkg_state_and_push(void *internal_object
,
440 void *external_object
,
442 union acpi_generic_state
**state_list
);
443 #endif /* ACPI_FUTURE_USAGE */
445 union acpi_generic_state
*acpi_ut_create_control_state(void);
447 void acpi_ut_delete_generic_state(union acpi_generic_state
*state
);
453 acpi_ut_divide(u64 in_dividend
,
454 u64 in_divisor
, u64
*out_quotient
, u64
*out_remainder
);
457 acpi_ut_short_divide(u64 in_dividend
,
458 u32 divisor
, u64
*out_quotient
, u32
*out_remainder
);
463 const char *acpi_ut_validate_exception(acpi_status status
);
465 u8
acpi_ut_is_pci_root_bridge(char *id
);
467 u8
acpi_ut_is_aml_table(struct acpi_table_header
*table
);
469 acpi_status
acpi_ut_allocate_owner_id(acpi_owner_id
* owner_id
);
471 void acpi_ut_release_owner_id(acpi_owner_id
* owner_id
);
474 acpi_ut_walk_package_tree(union acpi_operand_object
*source_object
,
476 acpi_pkg_callback walk_callback
, void *context
);
478 void acpi_ut_strupr(char *src_string
);
480 void acpi_ut_print_string(char *string
, u8 max_length
);
482 u8
acpi_ut_valid_acpi_name(u32 name
);
484 acpi_name
acpi_ut_repair_name(char *name
);
486 u8
acpi_ut_valid_acpi_char(char character
, u32 position
);
488 acpi_status
acpi_ut_strtoul64(char *string
, u32 base
, u64
* ret_integer
);
490 /* Values for Base above (16=Hex, 10=Decimal) */
492 #define ACPI_ANY_BASE 0
494 u32
acpi_ut_dword_byte_swap(u32 value
);
496 void acpi_ut_set_integer_width(u8 revision
);
498 #ifdef ACPI_DEBUG_OUTPUT
500 acpi_ut_display_init_pathname(u8 type
,
501 struct acpi_namespace_node
*obj_handle
,
509 acpi_ut_walk_aml_resources(u8
* aml
,
510 acpi_size aml_length
,
511 acpi_walk_aml_callback user_function
,
514 acpi_status
acpi_ut_validate_resource(void *aml
, u8
* return_index
);
516 u32
acpi_ut_get_descriptor_length(void *aml
);
518 u16
acpi_ut_get_resource_length(void *aml
);
520 u8
acpi_ut_get_resource_header_length(void *aml
);
522 u8
acpi_ut_get_resource_type(void *aml
);
525 acpi_ut_get_resource_end_tag(union acpi_operand_object
*obj_desc
,
529 * utmutex - mutex support
531 acpi_status
acpi_ut_mutex_initialize(void);
533 void acpi_ut_mutex_terminate(void);
535 acpi_status
acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id
);
537 acpi_status
acpi_ut_release_mutex(acpi_mutex_handle mutex_id
);
540 * utalloc - memory allocation and object caching
542 acpi_status
acpi_ut_create_caches(void);
544 acpi_status
acpi_ut_delete_caches(void);
546 acpi_status
acpi_ut_validate_buffer(struct acpi_buffer
*buffer
);
549 acpi_ut_initialize_buffer(struct acpi_buffer
*buffer
,
550 acpi_size required_length
);
552 void *acpi_ut_allocate(acpi_size size
,
553 u32 component
, const char *module
, u32 line
);
555 void *acpi_ut_allocate_zeroed(acpi_size size
,
556 u32 component
, const char *module
, u32 line
);
558 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
559 void *acpi_ut_allocate_and_track(acpi_size size
,
560 u32 component
, const char *module
, u32 line
);
562 void *acpi_ut_allocate_zeroed_and_track(acpi_size size
,
564 const char *module
, u32 line
);
567 acpi_ut_free_and_track(void *address
,
568 u32 component
, const char *module
, u32 line
);
570 #ifdef ACPI_FUTURE_USAGE
571 void acpi_ut_dump_allocation_info(void);
572 #endif /* ACPI_FUTURE_USAGE */
574 void acpi_ut_dump_allocations(u32 component
, const char *module
);
577 acpi_ut_create_list(char *list_name
,
578 u16 object_size
, struct acpi_memory_list
**return_cache
);
580 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
583 * utaddress - address range check
586 acpi_ut_add_address_range(acpi_adr_space_type space_id
,
587 acpi_physical_address address
,
588 u32 length
, struct acpi_namespace_node
*region_node
);
591 acpi_ut_remove_address_range(acpi_adr_space_type space_id
,
592 struct acpi_namespace_node
*region_node
);
595 acpi_ut_check_address_range(acpi_adr_space_type space_id
,
596 acpi_physical_address address
, u32 length
, u8 warn
);
598 void acpi_ut_delete_address_lists(void);
601 * utxferror - various error/warning output functions
603 void ACPI_INTERNAL_VAR_XFACE
604 acpi_ut_predefined_warning(const char *module_name
,
607 u8 node_flags
, const char *format
, ...);
609 void ACPI_INTERNAL_VAR_XFACE
610 acpi_ut_predefined_info(const char *module_name
,
612 char *pathname
, u8 node_flags
, const char *format
, ...);
615 acpi_ut_namespace_error(const char *module_name
,
617 const char *internal_name
, acpi_status lookup_status
);
620 acpi_ut_method_error(const char *module_name
,
623 struct acpi_namespace_node
*node
,
624 const char *path
, acpi_status lookup_status
);
626 #endif /* _ACUTILS_H */