xref: /openbmc/linux/drivers/acpi/acpica/acinterp.h (revision f220d3eb)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
5  *
6  * Copyright (C) 2000 - 2018, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACINTERP_H__
11 #define __ACINTERP_H__
12 
13 #define ACPI_WALK_OPERANDS          (&(walk_state->operands [walk_state->num_operands -1]))
14 
15 /* Macros for tables used for debug output */
16 
17 #define ACPI_EXD_OFFSET(f)          (u8) ACPI_OFFSET (union acpi_operand_object,f)
18 #define ACPI_EXD_NSOFFSET(f)        (u8) ACPI_OFFSET (struct acpi_namespace_node,f)
19 #define ACPI_EXD_TABLE_SIZE(name)   (sizeof(name) / sizeof (struct acpi_exdump_info))
20 
21 /*
22  * If possible, pack the following structures to byte alignment, since we
23  * don't care about performance for debug output. Two cases where we cannot
24  * pack the structures:
25  *
26  * 1) Hardware does not support misaligned memory transfers
27  * 2) Compiler does not support pointers within packed structures
28  */
29 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
30 #pragma pack(1)
31 #endif
32 
33 typedef const struct acpi_exdump_info {
34 	u8 opcode;
35 	u8 offset;
36 	const char *name;
37 
38 } acpi_exdump_info;
39 
40 /* Values for the Opcode field above */
41 
42 #define ACPI_EXD_INIT                   0
43 #define ACPI_EXD_TYPE                   1
44 #define ACPI_EXD_UINT8                  2
45 #define ACPI_EXD_UINT16                 3
46 #define ACPI_EXD_UINT32                 4
47 #define ACPI_EXD_UINT64                 5
48 #define ACPI_EXD_LITERAL                6
49 #define ACPI_EXD_POINTER                7
50 #define ACPI_EXD_ADDRESS                8
51 #define ACPI_EXD_STRING                 9
52 #define ACPI_EXD_BUFFER                 10
53 #define ACPI_EXD_PACKAGE                11
54 #define ACPI_EXD_FIELD                  12
55 #define ACPI_EXD_REFERENCE              13
56 #define ACPI_EXD_LIST                   14	/* Operand object list */
57 #define ACPI_EXD_HDLR_LIST              15	/* Address Handler list */
58 #define ACPI_EXD_RGN_LIST               16	/* Region list */
59 #define ACPI_EXD_NODE                   17	/* Namespace Node */
60 
61 /* restore default alignment */
62 
63 #pragma pack()
64 
65 /*
66  * exconvrt - object conversion
67  */
68 acpi_status
69 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
70 			   union acpi_operand_object **result_desc,
71 			   u32 implicit_conversion);
72 
73 acpi_status
74 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
75 			  union acpi_operand_object **result_desc);
76 
77 acpi_status
78 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
79 			  union acpi_operand_object **result_desc, u32 type);
80 
81 /* Types for ->String conversion */
82 
83 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
84 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
85 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
86 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
87 
88 acpi_status
89 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
90 			       union acpi_operand_object *source_desc,
91 			       union acpi_operand_object **result_desc,
92 			       struct acpi_walk_state *walk_state);
93 
94 /*
95  * exdebug - AML debug object
96  */
97 void
98 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
99 			u32 level, u32 index);
100 
101 void
102 acpi_ex_start_trace_method(struct acpi_namespace_node *method_node,
103 			   union acpi_operand_object *obj_desc,
104 			   struct acpi_walk_state *walk_state);
105 
106 void
107 acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node,
108 			  union acpi_operand_object *obj_desc,
109 			  struct acpi_walk_state *walk_state);
110 
111 void
112 acpi_ex_start_trace_opcode(union acpi_parse_object *op,
113 			   struct acpi_walk_state *walk_state);
114 
115 void
116 acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
117 			  struct acpi_walk_state *walk_state);
118 
119 void
120 acpi_ex_trace_point(acpi_trace_event_type type,
121 		    u8 begin, u8 *aml, char *pathname);
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 			       u64 mask,
133 			       u64 field_value, u32 field_datum_byte_offset);
134 
135 void
136 acpi_ex_get_buffer_datum(u64 *datum,
137 			 void *buffer,
138 			 u32 buffer_length,
139 			 u32 byte_granularity, u32 buffer_offset);
140 
141 void
142 acpi_ex_set_buffer_datum(u64 merged_datum,
143 			 void *buffer,
144 			 u32 buffer_length,
145 			 u32 byte_granularity, u32 buffer_offset);
146 
147 acpi_status
148 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
149 			     union acpi_operand_object *obj_desc,
150 			     union acpi_operand_object **ret_buffer_desc);
151 
152 acpi_status
153 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
154 			    union acpi_operand_object *obj_desc,
155 			    union acpi_operand_object **result_desc);
156 
157 /*
158  * exfldio - low level field I/O
159  */
160 acpi_status
161 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
162 			   void *buffer, u32 buffer_length);
163 
164 acpi_status
165 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
166 			  void *buffer, u32 buffer_length);
167 
168 acpi_status
169 acpi_ex_access_region(union acpi_operand_object *obj_desc,
170 		      u32 field_datum_byte_offset, u64 *value, u32 read_write);
171 
172 /*
173  * exmisc - misc support routines
174  */
175 acpi_status
176 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
177 			     union acpi_operand_object **return_desc,
178 			     struct acpi_walk_state *walk_state);
179 
180 acpi_status
181 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
182 			union acpi_operand_object *obj_desc2,
183 			union acpi_operand_object **actual_return_desc,
184 			struct acpi_walk_state *walk_state);
185 
186 acpi_status
187 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
188 		       union acpi_operand_object *obj_desc2,
189 		       union acpi_operand_object **actual_return_desc,
190 		       struct acpi_walk_state *walk_state);
191 
192 acpi_status
193 acpi_ex_do_logical_numeric_op(u16 opcode,
194 			      u64 integer0, u64 integer1, u8 *logical_result);
195 
196 acpi_status
197 acpi_ex_do_logical_op(u16 opcode,
198 		      union acpi_operand_object *operand0,
199 		      union acpi_operand_object *operand1, u8 *logical_result);
200 
201 u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
202 
203 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
204 
205 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
206 
207 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
208 
209 acpi_status
210 acpi_ex_create_region(u8 * aml_start,
211 		      u32 aml_length,
212 		      u8 region_space, struct acpi_walk_state *walk_state);
213 
214 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
215 
216 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
217 
218 acpi_status
219 acpi_ex_create_method(u8 * aml_start,
220 		      u32 aml_length, struct acpi_walk_state *walk_state);
221 
222 /*
223  * exconfig - dynamic table load/unload
224  */
225 acpi_status
226 acpi_ex_load_op(union acpi_operand_object *obj_desc,
227 		union acpi_operand_object *target,
228 		struct acpi_walk_state *walk_state);
229 
230 acpi_status
231 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
232 		      union acpi_operand_object **return_desc);
233 
234 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
235 
236 /*
237  * exmutex - mutex support
238  */
239 acpi_status
240 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
241 		      union acpi_operand_object *obj_desc,
242 		      struct acpi_walk_state *walk_state);
243 
244 acpi_status
245 acpi_ex_acquire_mutex_object(u16 timeout,
246 			     union acpi_operand_object *obj_desc,
247 			     acpi_thread_id thread_id);
248 
249 acpi_status
250 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
251 		      struct acpi_walk_state *walk_state);
252 
253 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
254 
255 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
256 
257 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
258 
259 /*
260  * exprep - ACPI AML execution - prep utilities
261  */
262 acpi_status
263 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
264 				 u8 field_flags,
265 				 u8 field_attribute,
266 				 u32 field_bit_position, u32 field_bit_length);
267 
268 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
269 
270 /*
271  * exsystem - Interface to OS services
272  */
273 acpi_status
274 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
275 			    union acpi_operand_object *obj_desc);
276 
277 acpi_status acpi_ex_system_do_sleep(u64 time);
278 
279 acpi_status acpi_ex_system_do_stall(u32 time);
280 
281 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
282 
283 acpi_status
284 acpi_ex_system_wait_event(union acpi_operand_object *time,
285 			  union acpi_operand_object *obj_desc);
286 
287 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
288 
289 acpi_status
290 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
291 
292 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
293 
294 /*
295  * exoparg1 - ACPI AML execution, 1 operand
296  */
297 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
298 
299 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
300 
301 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
302 
303 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
304 
305 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
306 
307 /*
308  * exoparg2 - ACPI AML execution, 2 operands
309  */
310 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
311 
312 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
313 
314 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
315 
316 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
317 
318 /*
319  * exoparg3 - ACPI AML execution, 3 operands
320  */
321 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
322 
323 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
324 
325 /*
326  * exoparg6 - ACPI AML execution, 6 operands
327  */
328 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
329 
330 /*
331  * exresolv - Object resolution and get value functions
332  */
333 acpi_status
334 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
335 			 struct acpi_walk_state *walk_state);
336 
337 acpi_status
338 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
339 			 union acpi_operand_object *operand,
340 			 acpi_object_type *return_type,
341 			 union acpi_operand_object **return_desc);
342 
343 /*
344  * exresnte - resolve namespace node
345  */
346 acpi_status
347 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
348 			      struct acpi_walk_state *walk_state);
349 
350 /*
351  * exresop - resolve operand to value
352  */
353 acpi_status
354 acpi_ex_resolve_operands(u16 opcode,
355 			 union acpi_operand_object **stack_ptr,
356 			 struct acpi_walk_state *walk_state);
357 
358 /*
359  * exdump - Interpreter debug output routines
360  */
361 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
362 
363 void
364 acpi_ex_dump_operands(union acpi_operand_object **operands,
365 		      const char *opcode_name, u32 num_opcodes);
366 
367 void
368 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
369 
370 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
371 
372 /*
373  * exnames - AML namestring support
374  */
375 acpi_status
376 acpi_ex_get_name_string(acpi_object_type data_type,
377 			u8 * in_aml_address,
378 			char **out_name_string, u32 * out_name_length);
379 
380 /*
381  * exstore - Object store support
382  */
383 acpi_status
384 acpi_ex_store(union acpi_operand_object *val_desc,
385 	      union acpi_operand_object *dest_desc,
386 	      struct acpi_walk_state *walk_state);
387 
388 acpi_status
389 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
390 			     struct acpi_namespace_node *node,
391 			     struct acpi_walk_state *walk_state,
392 			     u8 implicit_conversion);
393 
394 /*
395  * exstoren - resolve/store object
396  */
397 acpi_status
398 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
399 		       acpi_object_type target_type,
400 		       struct acpi_walk_state *walk_state);
401 
402 acpi_status
403 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
404 			       union acpi_operand_object *dest_desc,
405 			       union acpi_operand_object **new_desc,
406 			       struct acpi_walk_state *walk_state);
407 
408 /*
409  * exstorob - store object - buffer/string
410  */
411 acpi_status
412 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
413 			       union acpi_operand_object *target_desc);
414 
415 acpi_status
416 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
417 			       union acpi_operand_object *target_desc);
418 
419 /*
420  * excopy - object copy
421  */
422 acpi_status
423 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
424 				    union acpi_operand_object *target_desc);
425 
426 acpi_status
427 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
428 				   union acpi_operand_object *target_desc);
429 
430 acpi_status
431 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
432 				 struct acpi_namespace_node *node);
433 
434 acpi_status
435 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
436 				     union acpi_operand_object *target_desc);
437 
438 /*
439  * exutils - interpreter/scanner utilities
440  */
441 void acpi_ex_enter_interpreter(void);
442 
443 void acpi_ex_exit_interpreter(void);
444 
445 u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
446 
447 void acpi_ex_acquire_global_lock(u32 rule);
448 
449 void acpi_ex_release_global_lock(u32 rule);
450 
451 void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
452 
453 void acpi_ex_integer_to_string(char *dest, u64 value);
454 
455 void acpi_ex_pci_cls_to_string(char *dest, u8 class_code[3]);
456 
457 u8 acpi_is_valid_space_id(u8 space_id);
458 
459 /*
460  * exregion - default op_region handlers
461  */
462 acpi_status
463 acpi_ex_system_memory_space_handler(u32 function,
464 				    acpi_physical_address address,
465 				    u32 bit_width,
466 				    u64 *value,
467 				    void *handler_context,
468 				    void *region_context);
469 
470 acpi_status
471 acpi_ex_system_io_space_handler(u32 function,
472 				acpi_physical_address address,
473 				u32 bit_width,
474 				u64 *value,
475 				void *handler_context, void *region_context);
476 
477 acpi_status
478 acpi_ex_pci_config_space_handler(u32 function,
479 				 acpi_physical_address address,
480 				 u32 bit_width,
481 				 u64 *value,
482 				 void *handler_context, void *region_context);
483 
484 acpi_status
485 acpi_ex_cmos_space_handler(u32 function,
486 			   acpi_physical_address address,
487 			   u32 bit_width,
488 			   u64 *value,
489 			   void *handler_context, void *region_context);
490 
491 acpi_status
492 acpi_ex_pci_bar_space_handler(u32 function,
493 			      acpi_physical_address address,
494 			      u32 bit_width,
495 			      u64 *value,
496 			      void *handler_context, void *region_context);
497 
498 acpi_status
499 acpi_ex_embedded_controller_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_sm_bus_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_data_table_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 #endif				/* __INTERP_H__ */
521