xref: /openbmc/linux/drivers/acpi/acpica/acinterp.h (revision 23c2b932)
1 /******************************************************************************
2  *
3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, Intel Corp.
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 	const 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 #define ACPI_EXD_LIST                   14	/* Operand object list */
91 #define ACPI_EXD_HDLR_LIST              15	/* Address Handler list */
92 #define ACPI_EXD_RGN_LIST               16	/* Region list */
93 #define ACPI_EXD_NODE                   17	/* Namespace Node */
94 
95 /* restore default alignment */
96 
97 #pragma pack()
98 
99 /*
100  * exconvrt - object conversion
101  */
102 acpi_status
103 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
104 			   union acpi_operand_object **result_desc, u32 flags);
105 
106 acpi_status
107 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
108 			  union acpi_operand_object **result_desc);
109 
110 acpi_status
111 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
112 			  union acpi_operand_object **result_desc, u32 type);
113 
114 /* Types for ->String conversion */
115 
116 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
117 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
118 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
119 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
120 
121 acpi_status
122 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
123 			       union acpi_operand_object *source_desc,
124 			       union acpi_operand_object **result_desc,
125 			       struct acpi_walk_state *walk_state);
126 
127 /*
128  * exdebug - AML debug object
129  */
130 void
131 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
132 			u32 level, u32 index);
133 
134 void
135 acpi_ex_start_trace_method(struct acpi_namespace_node *method_node,
136 			   union acpi_operand_object *obj_desc,
137 			   struct acpi_walk_state *walk_state);
138 
139 void
140 acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node,
141 			  union acpi_operand_object *obj_desc,
142 			  struct acpi_walk_state *walk_state);
143 
144 void
145 acpi_ex_start_trace_opcode(union acpi_parse_object *op,
146 			   struct acpi_walk_state *walk_state);
147 
148 void
149 acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
150 			  struct acpi_walk_state *walk_state);
151 
152 void
153 acpi_ex_trace_point(acpi_trace_event_type type,
154 		    u8 begin, u8 *aml, char *pathname);
155 
156 /*
157  * exfield - ACPI AML (p-code) execution - field manipulation
158  */
159 acpi_status
160 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
161 			    u32 buffer_length, u32 * datum_count);
162 
163 acpi_status
164 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
165 			       u64 mask,
166 			       u64 field_value, u32 field_datum_byte_offset);
167 
168 void
169 acpi_ex_get_buffer_datum(u64 *datum,
170 			 void *buffer,
171 			 u32 buffer_length,
172 			 u32 byte_granularity, u32 buffer_offset);
173 
174 void
175 acpi_ex_set_buffer_datum(u64 merged_datum,
176 			 void *buffer,
177 			 u32 buffer_length,
178 			 u32 byte_granularity, u32 buffer_offset);
179 
180 acpi_status
181 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
182 			     union acpi_operand_object *obj_desc,
183 			     union acpi_operand_object **ret_buffer_desc);
184 
185 acpi_status
186 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
187 			    union acpi_operand_object *obj_desc,
188 			    union acpi_operand_object **result_desc);
189 
190 /*
191  * exfldio - low level field I/O
192  */
193 acpi_status
194 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
195 			   void *buffer, u32 buffer_length);
196 
197 acpi_status
198 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
199 			  void *buffer, u32 buffer_length);
200 
201 acpi_status
202 acpi_ex_access_region(union acpi_operand_object *obj_desc,
203 		      u32 field_datum_byte_offset, u64 *value, u32 read_write);
204 
205 /*
206  * exmisc - misc support routines
207  */
208 acpi_status
209 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
210 			     union acpi_operand_object **return_desc,
211 			     struct acpi_walk_state *walk_state);
212 
213 acpi_status
214 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
215 			union acpi_operand_object *obj_desc2,
216 			union acpi_operand_object **actual_return_desc,
217 			struct acpi_walk_state *walk_state);
218 
219 acpi_status
220 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
221 		       union acpi_operand_object *obj_desc2,
222 		       union acpi_operand_object **actual_return_desc,
223 		       struct acpi_walk_state *walk_state);
224 
225 acpi_status
226 acpi_ex_do_logical_numeric_op(u16 opcode,
227 			      u64 integer0, u64 integer1, u8 *logical_result);
228 
229 acpi_status
230 acpi_ex_do_logical_op(u16 opcode,
231 		      union acpi_operand_object *operand0,
232 		      union acpi_operand_object *operand1, u8 *logical_result);
233 
234 u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
235 
236 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
237 
238 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
239 
240 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
241 
242 acpi_status
243 acpi_ex_create_region(u8 * aml_start,
244 		      u32 aml_length,
245 		      u8 region_space, struct acpi_walk_state *walk_state);
246 
247 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
248 
249 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
250 
251 acpi_status
252 acpi_ex_create_method(u8 * aml_start,
253 		      u32 aml_length, struct acpi_walk_state *walk_state);
254 
255 /*
256  * exconfig - dynamic table load/unload
257  */
258 acpi_status
259 acpi_ex_load_op(union acpi_operand_object *obj_desc,
260 		union acpi_operand_object *target,
261 		struct acpi_walk_state *walk_state);
262 
263 acpi_status
264 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
265 		      union acpi_operand_object **return_desc);
266 
267 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
268 
269 /*
270  * exmutex - mutex support
271  */
272 acpi_status
273 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
274 		      union acpi_operand_object *obj_desc,
275 		      struct acpi_walk_state *walk_state);
276 
277 acpi_status
278 acpi_ex_acquire_mutex_object(u16 timeout,
279 			     union acpi_operand_object *obj_desc,
280 			     acpi_thread_id thread_id);
281 
282 acpi_status
283 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
284 		      struct acpi_walk_state *walk_state);
285 
286 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
287 
288 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
289 
290 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
291 
292 /*
293  * exprep - ACPI AML execution - prep utilities
294  */
295 acpi_status
296 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
297 				 u8 field_flags,
298 				 u8 field_attribute,
299 				 u32 field_bit_position, u32 field_bit_length);
300 
301 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
302 
303 /*
304  * exsystem - Interface to OS services
305  */
306 acpi_status
307 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
308 			    union acpi_operand_object *obj_desc);
309 
310 acpi_status acpi_ex_system_do_sleep(u64 time);
311 
312 acpi_status acpi_ex_system_do_stall(u32 time);
313 
314 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
315 
316 acpi_status
317 acpi_ex_system_wait_event(union acpi_operand_object *time,
318 			  union acpi_operand_object *obj_desc);
319 
320 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
321 
322 acpi_status
323 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
324 
325 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
326 
327 /*
328  * exoparg1 - ACPI AML execution, 1 operand
329  */
330 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
331 
332 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
333 
334 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
335 
336 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
337 
338 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
339 
340 /*
341  * exoparg2 - ACPI AML execution, 2 operands
342  */
343 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
344 
345 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
346 
347 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
348 
349 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
350 
351 /*
352  * exoparg3 - ACPI AML execution, 3 operands
353  */
354 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
355 
356 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
357 
358 /*
359  * exoparg6 - ACPI AML execution, 6 operands
360  */
361 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
362 
363 /*
364  * exresolv - Object resolution and get value functions
365  */
366 acpi_status
367 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
368 			 struct acpi_walk_state *walk_state);
369 
370 acpi_status
371 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
372 			 union acpi_operand_object *operand,
373 			 acpi_object_type *return_type,
374 			 union acpi_operand_object **return_desc);
375 
376 /*
377  * exresnte - resolve namespace node
378  */
379 acpi_status
380 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
381 			      struct acpi_walk_state *walk_state);
382 
383 /*
384  * exresop - resolve operand to value
385  */
386 acpi_status
387 acpi_ex_resolve_operands(u16 opcode,
388 			 union acpi_operand_object **stack_ptr,
389 			 struct acpi_walk_state *walk_state);
390 
391 /*
392  * exdump - Interpreter debug output routines
393  */
394 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
395 
396 void
397 acpi_ex_dump_operands(union acpi_operand_object **operands,
398 		      const char *opcode_name, u32 num_opcodes);
399 
400 void
401 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
402 
403 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
404 
405 /*
406  * exnames - AML namestring support
407  */
408 acpi_status
409 acpi_ex_get_name_string(acpi_object_type data_type,
410 			u8 * in_aml_address,
411 			char **out_name_string, u32 * out_name_length);
412 
413 /*
414  * exstore - Object store support
415  */
416 acpi_status
417 acpi_ex_store(union acpi_operand_object *val_desc,
418 	      union acpi_operand_object *dest_desc,
419 	      struct acpi_walk_state *walk_state);
420 
421 acpi_status
422 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
423 			     struct acpi_namespace_node *node,
424 			     struct acpi_walk_state *walk_state,
425 			     u8 implicit_conversion);
426 
427 #define ACPI_IMPLICIT_CONVERSION        TRUE
428 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
429 
430 /*
431  * exstoren - resolve/store object
432  */
433 acpi_status
434 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
435 		       acpi_object_type target_type,
436 		       struct acpi_walk_state *walk_state);
437 
438 acpi_status
439 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
440 			       union acpi_operand_object *dest_desc,
441 			       union acpi_operand_object **new_desc,
442 			       struct acpi_walk_state *walk_state);
443 
444 /*
445  * exstorob - store object - buffer/string
446  */
447 acpi_status
448 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
449 			       union acpi_operand_object *target_desc);
450 
451 acpi_status
452 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
453 			       union acpi_operand_object *target_desc);
454 
455 /*
456  * excopy - object copy
457  */
458 acpi_status
459 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
460 				    union acpi_operand_object *target_desc);
461 
462 acpi_status
463 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
464 				   union acpi_operand_object *target_desc);
465 
466 acpi_status
467 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
468 				 struct acpi_namespace_node *node);
469 
470 acpi_status
471 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
472 				     union acpi_operand_object *target_desc);
473 
474 /*
475  * exutils - interpreter/scanner utilities
476  */
477 void acpi_ex_enter_interpreter(void);
478 
479 void acpi_ex_exit_interpreter(void);
480 
481 u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
482 
483 void acpi_ex_acquire_global_lock(u32 rule);
484 
485 void acpi_ex_release_global_lock(u32 rule);
486 
487 void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
488 
489 void acpi_ex_integer_to_string(char *dest, u64 value);
490 
491 void acpi_ex_pci_cls_to_string(char *dest, u8 class_code[3]);
492 
493 u8 acpi_is_valid_space_id(u8 space_id);
494 
495 /*
496  * exregion - default op_region handlers
497  */
498 acpi_status
499 acpi_ex_system_memory_space_handler(u32 function,
500 				    acpi_physical_address address,
501 				    u32 bit_width,
502 				    u64 *value,
503 				    void *handler_context,
504 				    void *region_context);
505 
506 acpi_status
507 acpi_ex_system_io_space_handler(u32 function,
508 				acpi_physical_address address,
509 				u32 bit_width,
510 				u64 *value,
511 				void *handler_context, void *region_context);
512 
513 acpi_status
514 acpi_ex_pci_config_space_handler(u32 function,
515 				 acpi_physical_address address,
516 				 u32 bit_width,
517 				 u64 *value,
518 				 void *handler_context, void *region_context);
519 
520 acpi_status
521 acpi_ex_cmos_space_handler(u32 function,
522 			   acpi_physical_address address,
523 			   u32 bit_width,
524 			   u64 *value,
525 			   void *handler_context, void *region_context);
526 
527 acpi_status
528 acpi_ex_pci_bar_space_handler(u32 function,
529 			      acpi_physical_address address,
530 			      u32 bit_width,
531 			      u64 *value,
532 			      void *handler_context, void *region_context);
533 
534 acpi_status
535 acpi_ex_embedded_controller_space_handler(u32 function,
536 					  acpi_physical_address address,
537 					  u32 bit_width,
538 					  u64 *value,
539 					  void *handler_context,
540 					  void *region_context);
541 
542 acpi_status
543 acpi_ex_sm_bus_space_handler(u32 function,
544 			     acpi_physical_address address,
545 			     u32 bit_width,
546 			     u64 *value,
547 			     void *handler_context, void *region_context);
548 
549 acpi_status
550 acpi_ex_data_table_space_handler(u32 function,
551 				 acpi_physical_address address,
552 				 u32 bit_width,
553 				 u64 *value,
554 				 void *handler_context, void *region_context);
555 
556 #endif				/* __INTERP_H__ */
557