ocfs2: Create stack glue sysfs files.
[linux-2.6.git] / include / acpi / acinterp.h
1 /******************************************************************************
2  *
3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2007, R. Byron Moore
9  * All rights reserved.
10  *
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.
25  *
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.
29  *
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.
42  */
43
44 #ifndef __ACINTERP_H__
45 #define __ACINTERP_H__
46
47 #define ACPI_WALK_OPERANDS          (&(walk_state->operands [walk_state->num_operands -1]))
48
49 /* Macros for tables used for debug output */
50
51 #define ACPI_EXD_OFFSET(f)          (u8) ACPI_OFFSET (union acpi_operand_object,f)
52 #define ACPI_EXD_NSOFFSET(f)        (u8) ACPI_OFFSET (struct acpi_namespace_node,f)
53 #define ACPI_EXD_TABLE_SIZE(name)   (sizeof(name) / sizeof (struct acpi_exdump_info))
54
55 /*
56  * If possible, pack the following structures to byte alignment, since we
57  * don't care about performance for debug output. Two cases where we cannot
58  * pack the structures:
59  *
60  * 1) Hardware does not support misaligned memory transfers
61  * 2) Compiler does not support pointers within packed structures
62  */
63 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
64 #pragma pack(1)
65 #endif
66
67 typedef const struct acpi_exdump_info {
68         u8 opcode;
69         u8 offset;
70         char *name;
71
72 } acpi_exdump_info;
73
74 /* Values for the Opcode field above */
75
76 #define ACPI_EXD_INIT                   0
77 #define ACPI_EXD_TYPE                   1
78 #define ACPI_EXD_UINT8                  2
79 #define ACPI_EXD_UINT16                 3
80 #define ACPI_EXD_UINT32                 4
81 #define ACPI_EXD_UINT64                 5
82 #define ACPI_EXD_LITERAL                6
83 #define ACPI_EXD_POINTER                7
84 #define ACPI_EXD_ADDRESS                8
85 #define ACPI_EXD_STRING                 9
86 #define ACPI_EXD_BUFFER                 10
87 #define ACPI_EXD_PACKAGE                11
88 #define ACPI_EXD_FIELD                  12
89 #define ACPI_EXD_REFERENCE              13
90
91 /* restore default alignment */
92
93 #pragma pack()
94
95 /*
96  * exconvrt - object conversion
97  */
98 acpi_status
99 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
100                            union acpi_operand_object **result_desc, u32 flags);
101
102 acpi_status
103 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
104                           union acpi_operand_object **result_desc);
105
106 acpi_status
107 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
108                           union acpi_operand_object **result_desc, u32 type);
109
110 /* Types for ->String conversion */
111
112 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
113 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
114 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
115 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
116
117 acpi_status
118 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
119                                union acpi_operand_object *source_desc,
120                                union acpi_operand_object **result_desc,
121                                struct acpi_walk_state *walk_state);
122
123 /*
124  * exfield - ACPI AML (p-code) execution - field manipulation
125  */
126 acpi_status
127 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
128                             u32 buffer_length, u32 * datum_count);
129
130 acpi_status
131 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
132                                acpi_integer mask,
133                                acpi_integer field_value,
134                                u32 field_datum_byte_offset);
135
136 void
137 acpi_ex_get_buffer_datum(acpi_integer * datum,
138                          void *buffer,
139                          u32 buffer_length,
140                          u32 byte_granularity, u32 buffer_offset);
141
142 void
143 acpi_ex_set_buffer_datum(acpi_integer merged_datum,
144                          void *buffer,
145                          u32 buffer_length,
146                          u32 byte_granularity, u32 buffer_offset);
147
148 acpi_status
149 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
150                              union acpi_operand_object *obj_desc,
151                              union acpi_operand_object **ret_buffer_desc);
152
153 acpi_status
154 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
155                             union acpi_operand_object *obj_desc,
156                             union acpi_operand_object **result_desc);
157
158 /*
159  * exfldio - low level field I/O
160  */
161 acpi_status
162 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
163                            void *buffer, u32 buffer_length);
164
165 acpi_status
166 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
167                           void *buffer, u32 buffer_length);
168
169 acpi_status
170 acpi_ex_access_region(union acpi_operand_object *obj_desc,
171                       u32 field_datum_byte_offset,
172                       acpi_integer * value, u32 read_write);
173
174 /*
175  * exmisc - misc support routines
176  */
177 acpi_status
178 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
179                              union acpi_operand_object **return_desc,
180                              struct acpi_walk_state *walk_state);
181
182 acpi_status
183 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
184                         union acpi_operand_object *obj_desc2,
185                         union acpi_operand_object **actual_return_desc,
186                         struct acpi_walk_state *walk_state);
187
188 acpi_status
189 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
190                        union acpi_operand_object *obj_desc2,
191                        union acpi_operand_object **actual_return_desc,
192                        struct acpi_walk_state *walk_state);
193
194 acpi_status
195 acpi_ex_do_logical_numeric_op(u16 opcode,
196                               acpi_integer integer0,
197                               acpi_integer integer1, u8 * logical_result);
198
199 acpi_status
200 acpi_ex_do_logical_op(u16 opcode,
201                       union acpi_operand_object *operand0,
202                       union acpi_operand_object *operand1, u8 * logical_result);
203
204 acpi_integer
205 acpi_ex_do_math_op(u16 opcode, acpi_integer operand0, acpi_integer operand1);
206
207 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
208
209 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
210
211 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
212
213 acpi_status
214 acpi_ex_create_region(u8 * aml_start,
215                       u32 aml_length,
216                       u8 region_space, struct acpi_walk_state *walk_state);
217
218 acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state);
219
220 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
221
222 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
223
224 acpi_status
225 acpi_ex_create_method(u8 * aml_start,
226                       u32 aml_length, struct acpi_walk_state *walk_state);
227
228 /*
229  * exconfig - dynamic table load/unload
230  */
231 acpi_status
232 acpi_ex_load_op(union acpi_operand_object *obj_desc,
233                 union acpi_operand_object *target,
234                 struct acpi_walk_state *walk_state);
235
236 acpi_status
237 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
238                       union acpi_operand_object **return_desc);
239
240 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
241
242 /*
243  * exmutex - mutex support
244  */
245 acpi_status
246 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
247                       union acpi_operand_object *obj_desc,
248                       struct acpi_walk_state *walk_state);
249
250 acpi_status
251 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
252                       struct acpi_walk_state *walk_state);
253
254 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
255
256 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
257
258 /*
259  * exprep - ACPI AML execution - prep utilities
260  */
261 acpi_status
262 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
263                                  u8 field_flags,
264                                  u8 field_attribute,
265                                  u32 field_bit_position, u32 field_bit_length);
266
267 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
268
269 /*
270  * exsystem - Interface to OS services
271  */
272 acpi_status
273 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
274                             union acpi_operand_object *obj_desc);
275
276 acpi_status acpi_ex_system_do_suspend(acpi_integer time);
277
278 acpi_status acpi_ex_system_do_stall(u32 time);
279
280 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
281
282 acpi_status
283 acpi_ex_system_wait_event(union acpi_operand_object *time,
284                           union acpi_operand_object *obj_desc);
285
286 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
287
288 acpi_status
289 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
290
291 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
292
293 /*
294  * exoparg1 - ACPI AML execution, 1 operand
295  */
296 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
297
298 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
299
300 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
301
302 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
303
304 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
305
306 /*
307  * exoparg2 - ACPI AML execution, 2 operands
308  */
309 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
310
311 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
312
313 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
314
315 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
316
317 /*
318  * exoparg3 - ACPI AML execution, 3 operands
319  */
320 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
321
322 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
323
324 /*
325  * exoparg6 - ACPI AML execution, 6 operands
326  */
327 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
328
329 /*
330  * exresolv - Object resolution and get value functions
331  */
332 acpi_status
333 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
334                          struct acpi_walk_state *walk_state);
335
336 acpi_status
337 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
338                          union acpi_operand_object *operand,
339                          acpi_object_type * return_type,
340                          union acpi_operand_object **return_desc);
341
342 /*
343  * exresnte - resolve namespace node
344  */
345 acpi_status
346 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
347                               struct acpi_walk_state *walk_state);
348
349 /*
350  * exresop - resolve operand to value
351  */
352 acpi_status
353 acpi_ex_resolve_operands(u16 opcode,
354                          union acpi_operand_object **stack_ptr,
355                          struct acpi_walk_state *walk_state);
356
357 /*
358  * exdump - Interpreter debug output routines
359  */
360 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
361
362 void
363 acpi_ex_dump_operands(union acpi_operand_object **operands,
364                       acpi_interpreter_mode interpreter_mode,
365                       char *ident,
366                       u32 num_levels,
367                       char *note, char *module_name, u32 line_number);
368
369 #ifdef  ACPI_FUTURE_USAGE
370 void
371 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
372
373 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
374 #endif                          /* ACPI_FUTURE_USAGE */
375
376 /*
377  * exnames - AML namestring support
378  */
379 acpi_status
380 acpi_ex_get_name_string(acpi_object_type data_type,
381                         u8 * in_aml_address,
382                         char **out_name_string, u32 * out_name_length);
383
384 /*
385  * exstore - Object store support
386  */
387 acpi_status
388 acpi_ex_store(union acpi_operand_object *val_desc,
389               union acpi_operand_object *dest_desc,
390               struct acpi_walk_state *walk_state);
391
392 acpi_status
393 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
394                              struct acpi_namespace_node *node,
395                              struct acpi_walk_state *walk_state,
396                              u8 implicit_conversion);
397
398 #define ACPI_IMPLICIT_CONVERSION        TRUE
399 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
400
401 /*
402  * exstoren - resolve/store object
403  */
404 acpi_status
405 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
406                        acpi_object_type target_type,
407                        struct acpi_walk_state *walk_state);
408
409 acpi_status
410 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
411                                union acpi_operand_object *dest_desc,
412                                union acpi_operand_object **new_desc,
413                                struct acpi_walk_state *walk_state);
414
415 /*
416  * exstorob - store object - buffer/string
417  */
418 acpi_status
419 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
420                                union acpi_operand_object *target_desc);
421
422 acpi_status
423 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
424                                union acpi_operand_object *target_desc);
425
426 /*
427  * excopy - object copy
428  */
429 acpi_status
430 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
431                                     union acpi_operand_object *target_desc);
432
433 acpi_status
434 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
435                                    union acpi_operand_object *target_desc);
436
437 acpi_status
438 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
439                                  struct acpi_namespace_node *node);
440
441 acpi_status
442 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
443                                      union acpi_operand_object *target_desc);
444
445 /*
446  * exutils - interpreter/scanner utilities
447  */
448 void acpi_ex_enter_interpreter(void);
449
450 void acpi_ex_exit_interpreter(void);
451
452 void acpi_ex_reacquire_interpreter(void);
453
454 void acpi_ex_relinquish_interpreter(void);
455
456 void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
457
458 u8 acpi_ex_acquire_global_lock(u32 rule);
459
460 void acpi_ex_release_global_lock(u8 locked);
461
462 void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string);
463
464 void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string);
465
466 /*
467  * exregion - default op_region handlers
468  */
469 acpi_status
470 acpi_ex_system_memory_space_handler(u32 function,
471                                     acpi_physical_address address,
472                                     u32 bit_width,
473                                     acpi_integer * value,
474                                     void *handler_context,
475                                     void *region_context);
476
477 acpi_status
478 acpi_ex_system_io_space_handler(u32 function,
479                                 acpi_physical_address address,
480                                 u32 bit_width,
481                                 acpi_integer * value,
482                                 void *handler_context, void *region_context);
483
484 acpi_status
485 acpi_ex_pci_config_space_handler(u32 function,
486                                  acpi_physical_address address,
487                                  u32 bit_width,
488                                  acpi_integer * value,
489                                  void *handler_context, void *region_context);
490
491 acpi_status
492 acpi_ex_cmos_space_handler(u32 function,
493                            acpi_physical_address address,
494                            u32 bit_width,
495                            acpi_integer * value,
496                            void *handler_context, void *region_context);
497
498 acpi_status
499 acpi_ex_pci_bar_space_handler(u32 function,
500                               acpi_physical_address address,
501                               u32 bit_width,
502                               acpi_integer * value,
503                               void *handler_context, void *region_context);
504
505 acpi_status
506 acpi_ex_embedded_controller_space_handler(u32 function,
507                                           acpi_physical_address address,
508                                           u32 bit_width,
509                                           acpi_integer * value,
510                                           void *handler_context,
511                                           void *region_context);
512
513 acpi_status
514 acpi_ex_sm_bus_space_handler(u32 function,
515                              acpi_physical_address address,
516                              u32 bit_width,
517                              acpi_integer * value,
518                              void *handler_context, void *region_context);
519
520 acpi_status
521 acpi_ex_data_table_space_handler(u32 function,
522                                  acpi_physical_address address,
523                                  u32 bit_width,
524                                  acpi_integer * value,
525                                  void *handler_context, void *region_context);
526
527 #endif                          /* __INTERP_H__ */