net: Remove casts to same type
[linux-2.6/libata-dev.git] / drivers / acpi / acpica / acutils.h
blob925ccf22101b45adcb66817c736195adbcbf975f
1 /******************************************************************************
3 * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2012, Intel Corp.
9 * All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
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.
22 * 3. Neither the names of the above-listed copyright holders nor the names
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.
30 * NO WARRANTY
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
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
44 #ifndef _ACUTILS_H
45 #define _ACUTILS_H
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 #endif
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
81 typedef
82 acpi_status(*acpi_walk_aml_callback) (u8 * aml,
83 u32 length,
84 u32 offset,
85 u8 resource_index, void **context);
87 typedef
88 acpi_status(*acpi_pkg_callback) (u8 object_type,
89 union acpi_operand_object * source_object,
90 union acpi_generic_state * state,
91 void *context);
93 struct acpi_pkg_info {
94 u8 *free_space;
95 acpi_size length;
96 u32 object_space;
97 u32 num_packages;
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);
122 #endif
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
210 acpi_status
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);
215 acpi_status
216 acpi_ut_build_package_object(union acpi_operand_object *obj,
217 u8 * buffer, u32 * space_used);
219 acpi_status
220 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
221 struct acpi_buffer *ret_buffer);
223 acpi_status
224 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
225 union acpi_operand_object **internal_obj);
227 acpi_status
228 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
229 union acpi_operand_object *dest_obj);
231 acpi_status
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
239 acpi_status
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);
249 void
250 acpi_ut_trace(u32 line_number,
251 const char *function_name,
252 const char *module_name, u32 component_id);
254 void
255 acpi_ut_trace_ptr(u32 line_number,
256 const char *function_name,
257 const char *module_name, u32 component_id, void *pointer);
259 void
260 acpi_ut_trace_u32(u32 line_number,
261 const char *function_name,
262 const char *module_name, u32 component_id, u32 integer);
264 void
265 acpi_ut_trace_str(u32 line_number,
266 const char *function_name,
267 const char *module_name, u32 component_id, char *string);
269 void
270 acpi_ut_exit(u32 line_number,
271 const char *function_name,
272 const char *module_name, u32 component_id);
274 void
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);
280 void
281 acpi_ut_value_exit(u32 line_number,
282 const char *function_name,
283 const char *module_name, u32 component_id, u64 value);
285 void
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
316 acpi_status
317 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
318 char *path,
319 u32 expected_return_btypes,
320 union acpi_operand_object **return_desc);
322 acpi_status
323 acpi_ut_evaluate_numeric_object(char *object_name,
324 struct acpi_namespace_node *device_node,
325 u64 *value);
327 acpi_status
328 acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
330 acpi_status
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
338 acpi_status
339 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
340 struct acpica_device_id **return_id);
342 acpi_status
343 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
344 struct acpica_device_id **return_id);
346 acpi_status
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
369 *module_name,
370 u32 line_number,
371 u32 component_id,
372 acpi_object_type
373 type);
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);
393 acpi_status
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
414 void
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
419 **list_head);
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,
430 u16 index);
432 acpi_status
433 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
434 u16 action,
435 union acpi_generic_state **state_list);
437 #ifdef ACPI_FUTURE_USAGE
438 acpi_status
439 acpi_ut_create_pkg_state_and_push(void *internal_object,
440 void *external_object,
441 u16 index,
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);
450 * utmath
452 acpi_status
453 acpi_ut_divide(u64 in_dividend,
454 u64 in_divisor, u64 *out_quotient, u64 *out_remainder);
456 acpi_status
457 acpi_ut_short_divide(u64 in_dividend,
458 u32 divisor, u64 *out_quotient, u32 *out_remainder);
461 * utmisc
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);
473 acpi_status
474 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
475 void *target_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
499 void
500 acpi_ut_display_init_pathname(u8 type,
501 struct acpi_namespace_node *obj_handle,
502 char *path);
503 #endif
506 * utresrc
508 acpi_status
509 acpi_ut_walk_aml_resources(u8 * aml,
510 acpi_size aml_length,
511 acpi_walk_aml_callback user_function,
512 void **context);
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);
524 acpi_status
525 acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc,
526 u8 ** end_tag);
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);
548 acpi_status
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,
563 u32 component,
564 const char *module, u32 line);
566 void
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);
576 acpi_status
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
585 acpi_status
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);
590 void
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,
605 u32 line_number,
606 char *pathname,
607 u8 node_flags, const char *format, ...);
609 void ACPI_INTERNAL_VAR_XFACE
610 acpi_ut_predefined_info(const char *module_name,
611 u32 line_number,
612 char *pathname, u8 node_flags, const char *format, ...);
614 void
615 acpi_ut_namespace_error(const char *module_name,
616 u32 line_number,
617 const char *internal_name, acpi_status lookup_status);
619 void
620 acpi_ut_method_error(const char *module_name,
621 u32 line_number,
622 const char *message,
623 struct acpi_namespace_node *node,
624 const char *path, acpi_status lookup_status);
626 #endif /* _ACUTILS_H */