drivers/acpi/acpica/acinterp.h

   1 /******************************************************************************
   2  *
   3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2014, 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 /*
 135  * exfield - ACPI AML (p-code) execution - field manipulation
 136  */
 137 acpi_status
 138 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
 139                             u32 buffer_length, u32 * datum_count);
 140
 141 acpi_status
 142 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
 143                                u64 mask,
 144                                u64 field_value, u32 field_datum_byte_offset);
 145
 146 void
 147 acpi_ex_get_buffer_datum(u64 *datum,
 148                          void *buffer,
 149                          u32 buffer_length,
 150                          u32 byte_granularity, u32 buffer_offset);
 151
 152 void
 153 acpi_ex_set_buffer_datum(u64 merged_datum,
 154                          void *buffer,
 155                          u32 buffer_length,
 156                          u32 byte_granularity, u32 buffer_offset);
 157
 158 acpi_status
 159 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
 160                              union acpi_operand_object *obj_desc,
 161                              union acpi_operand_object **ret_buffer_desc);
 162
 163 acpi_status
 164 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
 165                             union acpi_operand_object *obj_desc,
 166                             union acpi_operand_object **result_desc);
 167
 168 /*
 169  * exfldio - low level field I/O
 170  */
 171 acpi_status
 172 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
 173                            void *buffer, u32 buffer_length);
 174
 175 acpi_status
 176 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
 177                           void *buffer, u32 buffer_length);
 178
 179 acpi_status
 180 acpi_ex_access_region(union acpi_operand_object *obj_desc,
 181                       u32 field_datum_byte_offset, u64 *value, u32 read_write);
 182
 183 /*
 184  * exmisc - misc support routines
 185  */
 186 acpi_status
 187 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
 188                              union acpi_operand_object **return_desc,
 189                              struct acpi_walk_state *walk_state);
 190
 191 acpi_status
 192 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
 193                         union acpi_operand_object *obj_desc2,
 194                         union acpi_operand_object **actual_return_desc,
 195                         struct acpi_walk_state *walk_state);
 196
 197 acpi_status
 198 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
 199                        union acpi_operand_object *obj_desc2,
 200                        union acpi_operand_object **actual_return_desc,
 201                        struct acpi_walk_state *walk_state);
 202
 203 acpi_status
 204 acpi_ex_do_logical_numeric_op(u16 opcode,
 205                               u64 integer0, u64 integer1, u8 *logical_result);
 206
 207 acpi_status
 208 acpi_ex_do_logical_op(u16 opcode,
 209                       union acpi_operand_object *operand0,
 210                       union acpi_operand_object *operand1, u8 *logical_result);
 211
 212 u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
 213
 214 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
 215
 216 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
 217
 218 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
 219
 220 acpi_status
 221 acpi_ex_create_region(u8 * aml_start,
 222                       u32 aml_length,
 223                       u8 region_space, struct acpi_walk_state *walk_state);
 224
 225 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
 226
 227 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
 228
 229 acpi_status
 230 acpi_ex_create_method(u8 * aml_start,
 231                       u32 aml_length, struct acpi_walk_state *walk_state);
 232
 233 /*
 234  * exconfig - dynamic table load/unload
 235  */
 236 acpi_status
 237 acpi_ex_load_op(union acpi_operand_object *obj_desc,
 238                 union acpi_operand_object *target,
 239                 struct acpi_walk_state *walk_state);
 240
 241 acpi_status
 242 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
 243                       union acpi_operand_object **return_desc);
 244
 245 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
 246
 247 /*
 248  * exmutex - mutex support
 249  */
 250 acpi_status
 251 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
 252                       union acpi_operand_object *obj_desc,
 253                       struct acpi_walk_state *walk_state);
 254
 255 acpi_status
 256 acpi_ex_acquire_mutex_object(u16 timeout,
 257                              union acpi_operand_object *obj_desc,
 258                              acpi_thread_id thread_id);
 259
 260 acpi_status
 261 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 262                       struct acpi_walk_state *walk_state);
 263
 264 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
 265
 266 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
 267
 268 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
 269
 270 /*
 271  * exprep - ACPI AML execution - prep utilities
 272  */
 273 acpi_status
 274 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
 275                                  u8 field_flags,
 276                                  u8 field_attribute,
 277                                  u32 field_bit_position, u32 field_bit_length);
 278
 279 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
 280
 281 /*
 282  * exsystem - Interface to OS services
 283  */
 284 acpi_status
 285 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
 286                             union acpi_operand_object *obj_desc);
 287
 288 acpi_status acpi_ex_system_do_sleep(u64 time);
 289
 290 acpi_status acpi_ex_system_do_stall(u32 time);
 291
 292 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
 293
 294 acpi_status
 295 acpi_ex_system_wait_event(union acpi_operand_object *time,
 296                           union acpi_operand_object *obj_desc);
 297
 298 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
 299
 300 acpi_status
 301 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
 302
 303 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
 304
 305 /*
 306  * exoparg1 - ACPI AML execution, 1 operand
 307  */
 308 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
 309
 310 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
 311
 312 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
 313
 314 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
 315
 316 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
 317
 318 /*
 319  * exoparg2 - ACPI AML execution, 2 operands
 320  */
 321 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
 322
 323 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
 324
 325 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
 326
 327 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
 328
 329 /*
 330  * exoparg3 - ACPI AML execution, 3 operands
 331  */
 332 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
 333
 334 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
 335
 336 /*
 337  * exoparg6 - ACPI AML execution, 6 operands
 338  */
 339 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
 340
 341 /*
 342  * exresolv - Object resolution and get value functions
 343  */
 344 acpi_status
 345 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
 346                          struct acpi_walk_state *walk_state);
 347
 348 acpi_status
 349 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 350                          union acpi_operand_object *operand,
 351                          acpi_object_type * return_type,
 352                          union acpi_operand_object **return_desc);
 353
 354 /*
 355  * exresnte - resolve namespace node
 356  */
 357 acpi_status
 358 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
 359                               struct acpi_walk_state *walk_state);
 360
 361 /*
 362  * exresop - resolve operand to value
 363  */
 364 acpi_status
 365 acpi_ex_resolve_operands(u16 opcode,
 366                          union acpi_operand_object **stack_ptr,
 367                          struct acpi_walk_state *walk_state);
 368
 369 /*
 370  * exdump - Interpreter debug output routines
 371  */
 372 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
 373
 374 void
 375 acpi_ex_dump_operands(union acpi_operand_object **operands,
 376                       const char *opcode_name, u32 num_opcodes);
 377
 378 #ifdef  ACPI_FUTURE_USAGE
 379 void
 380 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
 381
 382 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
 383 #endif                          /* ACPI_FUTURE_USAGE */
 384
 385 /*
 386  * exnames - AML namestring support
 387  */
 388 acpi_status
 389 acpi_ex_get_name_string(acpi_object_type data_type,
 390                         u8 * in_aml_address,
 391                         char **out_name_string, u32 * out_name_length);
 392
 393 /*
 394  * exstore - Object store support
 395  */
 396 acpi_status
 397 acpi_ex_store(union acpi_operand_object *val_desc,
 398               union acpi_operand_object *dest_desc,
 399               struct acpi_walk_state *walk_state);
 400
 401 acpi_status
 402 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
 403                              struct acpi_namespace_node *node,
 404                              struct acpi_walk_state *walk_state,
 405                              u8 implicit_conversion);
 406
 407 #define ACPI_IMPLICIT_CONVERSION        TRUE
 408 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
 409
 410 /*
 411  * exstoren - resolve/store object
 412  */
 413 acpi_status
 414 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
 415                        acpi_object_type target_type,
 416                        struct acpi_walk_state *walk_state);
 417
 418 acpi_status
 419 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
 420                                union acpi_operand_object *dest_desc,
 421                                union acpi_operand_object **new_desc,
 422                                struct acpi_walk_state *walk_state);
 423
 424 /*
 425  * exstorob - store object - buffer/string
 426  */
 427 acpi_status
 428 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
 429                                union acpi_operand_object *target_desc);
 430
 431 acpi_status
 432 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
 433                                union acpi_operand_object *target_desc);
 434
 435 /*
 436  * excopy - object copy
 437  */
 438 acpi_status
 439 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
 440                                     union acpi_operand_object *target_desc);
 441
 442 acpi_status
 443 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
 444                                    union acpi_operand_object *target_desc);
 445
 446 acpi_status
 447 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
 448                                  struct acpi_namespace_node *node);
 449
 450 acpi_status
 451 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
 452                                      union acpi_operand_object *target_desc);
 453
 454 /*
 455  * exutils - interpreter/scanner utilities
 456  */
 457 void acpi_ex_enter_interpreter(void);
 458
 459 void acpi_ex_exit_interpreter(void);
 460
 461 u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
 462
 463 void acpi_ex_acquire_global_lock(u32 rule);
 464
 465 void acpi_ex_release_global_lock(u32 rule);
 466
 467 void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
 468
 469 void acpi_ex_integer_to_string(char *dest, u64 value);
 470
 471 u8 acpi_is_valid_space_id(u8 space_id);
 472
 473 /*
 474  * exregion - default op_region handlers
 475  */
 476 acpi_status
 477 acpi_ex_system_memory_space_handler(u32 function,
 478                                     acpi_physical_address address,
 479                                     u32 bit_width,
 480                                     u64 *value,
 481                                     void *handler_context,
 482                                     void *region_context);
 483
 484 acpi_status
 485 acpi_ex_system_io_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_config_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_cmos_space_handler(u32 function,
 500                            acpi_physical_address address,
 501                            u32 bit_width,
 502                            u64 *value,
 503                            void *handler_context, void *region_context);
 504
 505 acpi_status
 506 acpi_ex_pci_bar_space_handler(u32 function,
 507                               acpi_physical_address address,
 508                               u32 bit_width,
 509                               u64 *value,
 510                               void *handler_context, void *region_context);
 511
 512 acpi_status
 513 acpi_ex_embedded_controller_space_handler(u32 function,
 514                                           acpi_physical_address address,
 515                                           u32 bit_width,
 516                                           u64 *value,
 517                                           void *handler_context,
 518                                           void *region_context);
 519
 520 acpi_status
 521 acpi_ex_sm_bus_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_data_table_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 #endif                          /* __INTERP_H__ */