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 - 2020, 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_get_protocol_buffer_length(u32 protocol_id, u32 *return_length); 128 129 acpi_status 130 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc, 131 u32 buffer_length, u32 * datum_count); 132 133 acpi_status 134 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, 135 u64 mask, 136 u64 field_value, u32 field_datum_byte_offset); 137 138 void 139 acpi_ex_get_buffer_datum(u64 *datum, 140 void *buffer, 141 u32 buffer_length, 142 u32 byte_granularity, u32 buffer_offset); 143 144 void 145 acpi_ex_set_buffer_datum(u64 merged_datum, 146 void *buffer, 147 u32 buffer_length, 148 u32 byte_granularity, u32 buffer_offset); 149 150 acpi_status 151 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, 152 union acpi_operand_object *obj_desc, 153 union acpi_operand_object **ret_buffer_desc); 154 155 acpi_status 156 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, 157 union acpi_operand_object *obj_desc, 158 union acpi_operand_object **result_desc); 159 160 /* 161 * exfldio - low level field I/O 162 */ 163 acpi_status 164 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, 165 void *buffer, u32 buffer_length); 166 167 acpi_status 168 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, 169 void *buffer, u32 buffer_length); 170 171 acpi_status 172 acpi_ex_access_region(union acpi_operand_object *obj_desc, 173 u32 field_datum_byte_offset, u64 *value, u32 read_write); 174 175 /* 176 * exmisc - misc support routines 177 */ 178 acpi_status 179 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, 180 union acpi_operand_object **return_desc, 181 struct acpi_walk_state *walk_state); 182 183 acpi_status 184 acpi_ex_concat_template(union acpi_operand_object *obj_desc, 185 union acpi_operand_object *obj_desc2, 186 union acpi_operand_object **actual_return_desc, 187 struct acpi_walk_state *walk_state); 188 189 acpi_status 190 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc, 191 union acpi_operand_object *obj_desc2, 192 union acpi_operand_object **actual_return_desc, 193 struct acpi_walk_state *walk_state); 194 195 acpi_status 196 acpi_ex_do_logical_numeric_op(u16 opcode, 197 u64 integer0, u64 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 u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1); 205 206 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state); 207 208 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state); 209 210 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state); 211 212 acpi_status 213 acpi_ex_create_region(u8 * aml_start, 214 u32 aml_length, 215 u8 region_space, struct acpi_walk_state *walk_state); 216 217 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state); 218 219 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state); 220 221 acpi_status 222 acpi_ex_create_method(u8 * aml_start, 223 u32 aml_length, struct acpi_walk_state *walk_state); 224 225 /* 226 * exconfig - dynamic table load/unload 227 */ 228 acpi_status 229 acpi_ex_load_op(union acpi_operand_object *obj_desc, 230 union acpi_operand_object *target, 231 struct acpi_walk_state *walk_state); 232 233 acpi_status 234 acpi_ex_load_table_op(struct acpi_walk_state *walk_state, 235 union acpi_operand_object **return_desc); 236 237 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle); 238 239 /* 240 * exmutex - mutex support 241 */ 242 acpi_status 243 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, 244 union acpi_operand_object *obj_desc, 245 struct acpi_walk_state *walk_state); 246 247 acpi_status 248 acpi_ex_acquire_mutex_object(u16 timeout, 249 union acpi_operand_object *obj_desc, 250 acpi_thread_id thread_id); 251 252 acpi_status 253 acpi_ex_release_mutex(union acpi_operand_object *obj_desc, 254 struct acpi_walk_state *walk_state); 255 256 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc); 257 258 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread); 259 260 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc); 261 262 /* 263 * exprep - ACPI AML execution - prep utilities 264 */ 265 acpi_status 266 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, 267 u8 field_flags, 268 u8 field_attribute, 269 u32 field_bit_position, u32 field_bit_length); 270 271 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info); 272 273 /* 274 * exserial - field_unit support for serial address spaces 275 */ 276 acpi_status 277 acpi_ex_read_serial_bus(union acpi_operand_object *obj_desc, 278 union acpi_operand_object **return_buffer); 279 280 acpi_status 281 acpi_ex_write_serial_bus(union acpi_operand_object *source_desc, 282 union acpi_operand_object *obj_desc, 283 union acpi_operand_object **return_buffer); 284 285 acpi_status 286 acpi_ex_read_gpio(union acpi_operand_object *obj_desc, void *buffer); 287 288 acpi_status 289 acpi_ex_write_gpio(union acpi_operand_object *source_desc, 290 union acpi_operand_object *obj_desc, 291 union acpi_operand_object **return_buffer); 292 293 /* 294 * exsystem - Interface to OS services 295 */ 296 acpi_status 297 acpi_ex_system_do_notify_op(union acpi_operand_object *value, 298 union acpi_operand_object *obj_desc); 299 300 acpi_status acpi_ex_system_do_sleep(u64 time); 301 302 acpi_status acpi_ex_system_do_stall(u32 time); 303 304 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc); 305 306 acpi_status 307 acpi_ex_system_wait_event(union acpi_operand_object *time, 308 union acpi_operand_object *obj_desc); 309 310 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc); 311 312 acpi_status 313 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout); 314 315 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout); 316 317 /* 318 * exoparg1 - ACPI AML execution, 1 operand 319 */ 320 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state); 321 322 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state); 323 324 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state); 325 326 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state); 327 328 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state); 329 330 /* 331 * exoparg2 - ACPI AML execution, 2 operands 332 */ 333 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state); 334 335 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state); 336 337 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state); 338 339 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state); 340 341 /* 342 * exoparg3 - ACPI AML execution, 3 operands 343 */ 344 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state); 345 346 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state); 347 348 /* 349 * exoparg6 - ACPI AML execution, 6 operands 350 */ 351 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state); 352 353 /* 354 * exresolv - Object resolution and get value functions 355 */ 356 acpi_status 357 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr, 358 struct acpi_walk_state *walk_state); 359 360 acpi_status 361 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, 362 union acpi_operand_object *operand, 363 acpi_object_type *return_type, 364 union acpi_operand_object **return_desc); 365 366 /* 367 * exresnte - resolve namespace node 368 */ 369 acpi_status 370 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr, 371 struct acpi_walk_state *walk_state); 372 373 /* 374 * exresop - resolve operand to value 375 */ 376 acpi_status 377 acpi_ex_resolve_operands(u16 opcode, 378 union acpi_operand_object **stack_ptr, 379 struct acpi_walk_state *walk_state); 380 381 /* 382 * exdump - Interpreter debug output routines 383 */ 384 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth); 385 386 void 387 acpi_ex_dump_operands(union acpi_operand_object **operands, 388 const char *opcode_name, u32 num_opcodes); 389 390 void 391 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags); 392 393 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags); 394 395 /* 396 * exnames - AML namestring support 397 */ 398 acpi_status 399 acpi_ex_get_name_string(acpi_object_type data_type, 400 u8 * in_aml_address, 401 char **out_name_string, u32 * out_name_length); 402 403 /* 404 * exstore - Object store support 405 */ 406 acpi_status 407 acpi_ex_store(union acpi_operand_object *val_desc, 408 union acpi_operand_object *dest_desc, 409 struct acpi_walk_state *walk_state); 410 411 acpi_status 412 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, 413 struct acpi_namespace_node *node, 414 struct acpi_walk_state *walk_state, 415 u8 implicit_conversion); 416 417 /* 418 * exstoren - resolve/store object 419 */ 420 acpi_status 421 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, 422 acpi_object_type target_type, 423 struct acpi_walk_state *walk_state); 424 425 acpi_status 426 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc, 427 union acpi_operand_object *dest_desc, 428 union acpi_operand_object **new_desc, 429 struct acpi_walk_state *walk_state); 430 431 /* 432 * exstorob - store object - buffer/string 433 */ 434 acpi_status 435 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, 436 union acpi_operand_object *target_desc); 437 438 acpi_status 439 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, 440 union acpi_operand_object *target_desc); 441 442 /* 443 * excopy - object copy 444 */ 445 acpi_status 446 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc, 447 union acpi_operand_object *target_desc); 448 449 acpi_status 450 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc, 451 union acpi_operand_object *target_desc); 452 453 acpi_status 454 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc, 455 struct acpi_namespace_node *node); 456 457 acpi_status 458 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc, 459 union acpi_operand_object *target_desc); 460 461 /* 462 * exutils - interpreter/scanner utilities 463 */ 464 void acpi_ex_enter_interpreter(void); 465 466 void acpi_ex_exit_interpreter(void); 467 468 u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc); 469 470 void acpi_ex_acquire_global_lock(u32 rule); 471 472 void acpi_ex_release_global_lock(u32 rule); 473 474 void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id); 475 476 void acpi_ex_integer_to_string(char *dest, u64 value); 477 478 void acpi_ex_pci_cls_to_string(char *dest, u8 class_code[3]); 479 480 u8 acpi_is_valid_space_id(u8 space_id); 481 482 /* 483 * exregion - default op_region handlers 484 */ 485 acpi_status 486 acpi_ex_system_memory_space_handler(u32 function, 487 acpi_physical_address address, 488 u32 bit_width, 489 u64 *value, 490 void *handler_context, 491 void *region_context); 492 493 acpi_status 494 acpi_ex_system_io_space_handler(u32 function, 495 acpi_physical_address address, 496 u32 bit_width, 497 u64 *value, 498 void *handler_context, void *region_context); 499 500 acpi_status 501 acpi_ex_pci_config_space_handler(u32 function, 502 acpi_physical_address address, 503 u32 bit_width, 504 u64 *value, 505 void *handler_context, void *region_context); 506 507 acpi_status 508 acpi_ex_cmos_space_handler(u32 function, 509 acpi_physical_address address, 510 u32 bit_width, 511 u64 *value, 512 void *handler_context, void *region_context); 513 514 acpi_status 515 acpi_ex_pci_bar_space_handler(u32 function, 516 acpi_physical_address address, 517 u32 bit_width, 518 u64 *value, 519 void *handler_context, void *region_context); 520 521 acpi_status 522 acpi_ex_embedded_controller_space_handler(u32 function, 523 acpi_physical_address address, 524 u32 bit_width, 525 u64 *value, 526 void *handler_context, 527 void *region_context); 528 529 acpi_status 530 acpi_ex_sm_bus_space_handler(u32 function, 531 acpi_physical_address address, 532 u32 bit_width, 533 u64 *value, 534 void *handler_context, void *region_context); 535 536 acpi_status 537 acpi_ex_data_table_space_handler(u32 function, 538 acpi_physical_address address, 539 u32 bit_width, 540 u64 *value, 541 void *handler_context, void *region_context); 542 543 #endif /* __INTERP_H__ */ 544