drivers/acpi/acpica/acinterp.h

   1 /******************************************************************************
   2  *
   3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, 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         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__ */