include/acpi/acdispat.h

   1 /******************************************************************************
   2  *
   3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2004, R. Byron Moore
   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
  45 #ifndef _ACDISPAT_H_
  46 #define _ACDISPAT_H_
  47
  48
  49 #define NAMEOF_LOCAL_NTE    "__L0"
  50 #define NAMEOF_ARG_NTE      "__A0"
  51
  52
  53 /* Common interfaces */
  54
  55 acpi_status
  56 acpi_ds_obj_stack_push (
  57         void                            *object,
  58         struct acpi_walk_state          *walk_state);
  59
  60 acpi_status
  61 acpi_ds_obj_stack_pop (
  62         u32                             pop_count,
  63         struct acpi_walk_state          *walk_state);
  64
  65 void *
  66 acpi_ds_obj_stack_get_value (
  67         u32                             index,
  68         struct acpi_walk_state          *walk_state);
  69
  70 acpi_status
  71 acpi_ds_obj_stack_pop_object (
  72         union acpi_operand_object       **object,
  73         struct acpi_walk_state          *walk_state);
  74
  75
  76 /* dsopcode - support for late evaluation */
  77
  78 acpi_status
  79 acpi_ds_execute_arguments (
  80         struct acpi_namespace_node      *node,
  81         struct acpi_namespace_node      *scope_node,
  82         u32                             aml_length,
  83         u8                              *aml_start);
  84
  85 acpi_status
  86 acpi_ds_get_buffer_field_arguments (
  87         union acpi_operand_object       *obj_desc);
  88
  89 acpi_status
  90 acpi_ds_get_region_arguments (
  91         union acpi_operand_object       *rgn_desc);
  92
  93 acpi_status
  94 acpi_ds_get_buffer_arguments (
  95         union acpi_operand_object       *obj_desc);
  96
  97 acpi_status
  98 acpi_ds_get_package_arguments (
  99         union acpi_operand_object       *obj_desc);
 100
 101 acpi_status
 102 acpi_ds_init_buffer_field (
 103         u16                             aml_opcode,
 104         union acpi_operand_object       *obj_desc,
 105         union acpi_operand_object       *buffer_desc,
 106         union acpi_operand_object       *offset_desc,
 107         union acpi_operand_object       *length_desc,
 108         union acpi_operand_object       *result_desc);
 109
 110 acpi_status
 111 acpi_ds_eval_buffer_field_operands (
 112         struct acpi_walk_state          *walk_state,
 113         union acpi_parse_object         *op);
 114
 115 acpi_status
 116 acpi_ds_eval_region_operands (
 117         struct acpi_walk_state          *walk_state,
 118         union acpi_parse_object         *op);
 119
 120 acpi_status
 121 acpi_ds_eval_data_object_operands (
 122         struct acpi_walk_state          *walk_state,
 123         union acpi_parse_object         *op,
 124         union acpi_operand_object       *obj_desc);
 125
 126 acpi_status
 127 acpi_ds_initialize_region (
 128         acpi_handle                     obj_handle);
 129
 130
 131 /* dsctrl - Parser/Interpreter interface, control stack routines */
 132
 133
 134 acpi_status
 135 acpi_ds_exec_begin_control_op (
 136         struct acpi_walk_state          *walk_state,
 137         union acpi_parse_object         *op);
 138
 139 acpi_status
 140 acpi_ds_exec_end_control_op (
 141         struct acpi_walk_state          *walk_state,
 142         union acpi_parse_object         *op);
 143
 144
 145 /* dsexec - Parser/Interpreter interface, method execution callbacks */
 146
 147
 148 acpi_status
 149 acpi_ds_get_predicate_value (
 150         struct acpi_walk_state          *walk_state,
 151         union acpi_operand_object       *result_obj);
 152
 153 acpi_status
 154 acpi_ds_exec_begin_op (
 155         struct acpi_walk_state          *walk_state,
 156         union acpi_parse_object         **out_op);
 157
 158 acpi_status
 159 acpi_ds_exec_end_op (
 160         struct acpi_walk_state          *state);
 161
 162
 163 /* dsfield - Parser/Interpreter interface for AML fields */
 164
 165 acpi_status
 166 acpi_ds_get_field_names (
 167         struct acpi_create_field_info   *info,
 168         struct acpi_walk_state          *walk_state,
 169         union acpi_parse_object         *arg);
 170
 171 acpi_status
 172 acpi_ds_create_field (
 173         union acpi_parse_object         *op,
 174         struct acpi_namespace_node      *region_node,
 175         struct acpi_walk_state          *walk_state);
 176
 177 acpi_status
 178 acpi_ds_create_bank_field (
 179         union acpi_parse_object         *op,
 180         struct acpi_namespace_node      *region_node,
 181         struct acpi_walk_state          *walk_state);
 182
 183 acpi_status
 184 acpi_ds_create_index_field (
 185         union acpi_parse_object         *op,
 186         struct acpi_namespace_node      *region_node,
 187         struct acpi_walk_state          *walk_state);
 188
 189 acpi_status
 190 acpi_ds_create_buffer_field (
 191         union acpi_parse_object         *op,
 192         struct acpi_walk_state          *walk_state);
 193
 194 acpi_status
 195 acpi_ds_init_field_objects (
 196         union acpi_parse_object         *op,
 197         struct acpi_walk_state          *walk_state);
 198
 199
 200 /* dsload - Parser/Interpreter interface, namespace load callbacks */
 201
 202 acpi_status
 203 acpi_ds_load1_begin_op (
 204         struct acpi_walk_state          *walk_state,
 205         union acpi_parse_object         **out_op);
 206
 207 acpi_status
 208 acpi_ds_load1_end_op (
 209         struct acpi_walk_state          *walk_state);
 210
 211 acpi_status
 212 acpi_ds_load2_begin_op (
 213         struct acpi_walk_state          *walk_state,
 214         union acpi_parse_object         **out_op);
 215
 216 acpi_status
 217 acpi_ds_load2_end_op (
 218         struct acpi_walk_state          *walk_state);
 219
 220 acpi_status
 221 acpi_ds_init_callbacks (
 222         struct acpi_walk_state          *walk_state,
 223         u32                             pass_number);
 224
 225
 226 /* dsmthdat - method data (locals/args) */
 227
 228
 229 acpi_status
 230 acpi_ds_store_object_to_local (
 231         u16                             opcode,
 232         u32                             index,
 233         union acpi_operand_object       *src_desc,
 234         struct acpi_walk_state          *walk_state);
 235
 236 acpi_status
 237 acpi_ds_method_data_get_entry (
 238         u16                             opcode,
 239         u32                             index,
 240         struct acpi_walk_state          *walk_state,
 241         union acpi_operand_object       ***node);
 242
 243 void
 244 acpi_ds_method_data_delete_all (
 245         struct acpi_walk_state          *walk_state);
 246
 247 u8
 248 acpi_ds_is_method_value (
 249         union acpi_operand_object       *obj_desc);
 250
 251 acpi_object_type
 252 acpi_ds_method_data_get_type (
 253         u16                             opcode,
 254         u32                             index,
 255         struct acpi_walk_state          *walk_state);
 256
 257 acpi_status
 258 acpi_ds_method_data_get_value (
 259         u16                             opcode,
 260         u32                             index,
 261         struct acpi_walk_state          *walk_state,
 262         union acpi_operand_object       **dest_desc);
 263
 264 void
 265 acpi_ds_method_data_delete_value (
 266         u16                             opcode,
 267         u32                             index,
 268         struct acpi_walk_state          *walk_state);
 269
 270 acpi_status
 271 acpi_ds_method_data_init_args (
 272         union acpi_operand_object       **params,
 273         u32                             max_param_count,
 274         struct acpi_walk_state          *walk_state);
 275
 276 acpi_status
 277 acpi_ds_method_data_get_node (
 278         u16                             opcode,
 279         u32                             index,
 280         struct acpi_walk_state          *walk_state,
 281         struct acpi_namespace_node      **node);
 282
 283 void
 284 acpi_ds_method_data_init (
 285         struct acpi_walk_state          *walk_state);
 286
 287 acpi_status
 288 acpi_ds_method_data_set_value (
 289         u16                             opcode,
 290         u32                             index,
 291         union acpi_operand_object       *object,
 292         struct acpi_walk_state          *walk_state);
 293
 294
 295 /* dsmethod - Parser/Interpreter interface - control method parsing */
 296
 297 acpi_status
 298 acpi_ds_parse_method (
 299         acpi_handle                     obj_handle);
 300
 301 acpi_status
 302 acpi_ds_call_control_method (
 303         struct acpi_thread_state        *thread,
 304         struct acpi_walk_state          *walk_state,
 305         union acpi_parse_object         *op);
 306
 307 acpi_status
 308 acpi_ds_restart_control_method (
 309         struct acpi_walk_state          *walk_state,
 310         union acpi_operand_object       *return_desc);
 311
 312 acpi_status
 313 acpi_ds_terminate_control_method (
 314         struct acpi_walk_state          *walk_state);
 315
 316 acpi_status
 317 acpi_ds_begin_method_execution (
 318         struct acpi_namespace_node      *method_node,
 319         union acpi_operand_object       *obj_desc,
 320         struct acpi_namespace_node      *calling_method_node);
 321
 322
 323 /* dsobj - Parser/Interpreter interface - object initialization and conversion */
 324
 325 acpi_status
 326 acpi_ds_init_one_object (
 327         acpi_handle                     obj_handle,
 328         u32                             level,
 329         void                            *context,
 330         void                            **return_value);
 331
 332 acpi_status
 333 acpi_ds_initialize_objects (
 334         struct acpi_table_desc          *table_desc,
 335         struct acpi_namespace_node      *start_node);
 336
 337 acpi_status
 338 acpi_ds_build_internal_buffer_obj (
 339         struct acpi_walk_state          *walk_state,
 340         union acpi_parse_object         *op,
 341         u32                             buffer_length,
 342         union acpi_operand_object       **obj_desc_ptr);
 343
 344 acpi_status
 345 acpi_ds_build_internal_package_obj (
 346         struct acpi_walk_state          *walk_state,
 347         union acpi_parse_object         *op,
 348         u32                             package_length,
 349         union acpi_operand_object       **obj_desc);
 350
 351 acpi_status
 352 acpi_ds_build_internal_object (
 353         struct acpi_walk_state          *walk_state,
 354         union acpi_parse_object         *op,
 355         union acpi_operand_object       **obj_desc_ptr);
 356
 357 acpi_status
 358 acpi_ds_init_object_from_op (
 359         struct acpi_walk_state          *walk_state,
 360         union acpi_parse_object         *op,
 361         u16                             opcode,
 362         union acpi_operand_object       **obj_desc);
 363
 364 acpi_status
 365 acpi_ds_create_node (
 366         struct acpi_walk_state          *walk_state,
 367         struct acpi_namespace_node      *node,
 368         union acpi_parse_object         *op);
 369
 370
 371 /* dsutils - Parser/Interpreter interface utility routines */
 372
 373 u8
 374 acpi_ds_is_result_used (
 375         union acpi_parse_object         *op,
 376         struct acpi_walk_state          *walk_state);
 377
 378 void
 379 acpi_ds_delete_result_if_not_used (
 380         union acpi_parse_object         *op,
 381         union acpi_operand_object       *result_obj,
 382         struct acpi_walk_state          *walk_state);
 383
 384 acpi_status
 385 acpi_ds_create_operand (
 386         struct acpi_walk_state          *walk_state,
 387         union acpi_parse_object         *arg,
 388         u32                             args_remaining);
 389
 390 acpi_status
 391 acpi_ds_create_operands (
 392         struct acpi_walk_state          *walk_state,
 393         union acpi_parse_object         *first_arg);
 394
 395 acpi_status
 396 acpi_ds_resolve_operands (
 397         struct acpi_walk_state          *walk_state);
 398
 399 void
 400 acpi_ds_clear_operands (
 401         struct acpi_walk_state          *walk_state);
 402
 403
 404 /*
 405  * dswscope - Scope Stack manipulation
 406  */
 407
 408 acpi_status
 409 acpi_ds_scope_stack_push (
 410         struct acpi_namespace_node      *node,
 411         acpi_object_type                type,
 412         struct acpi_walk_state          *walk_state);
 413
 414
 415 acpi_status
 416 acpi_ds_scope_stack_pop (
 417         struct acpi_walk_state          *walk_state);
 418
 419 void
 420 acpi_ds_scope_stack_clear (
 421         struct acpi_walk_state          *walk_state);
 422
 423
 424 /* dswstate - parser WALK_STATE management routines */
 425
 426 struct acpi_walk_state *
 427 acpi_ds_create_walk_state (
 428         acpi_owner_id                   owner_id,
 429         union acpi_parse_object         *origin,
 430         union acpi_operand_object       *mth_desc,
 431         struct acpi_thread_state        *thread);
 432
 433 acpi_status
 434 acpi_ds_init_aml_walk (
 435         struct acpi_walk_state          *walk_state,
 436         union acpi_parse_object         *op,
 437         struct acpi_namespace_node      *method_node,
 438         u8                              *aml_start,
 439         u32                             aml_length,
 440         struct acpi_parameter_info      *info,
 441         u32                             pass_number);
 442
 443 acpi_status
 444 acpi_ds_obj_stack_delete_all (
 445         struct acpi_walk_state          *walk_state);
 446
 447 acpi_status
 448 acpi_ds_obj_stack_pop_and_delete (
 449         u32                             pop_count,
 450         struct acpi_walk_state          *walk_state);
 451
 452 void
 453 acpi_ds_delete_walk_state (
 454         struct acpi_walk_state          *walk_state);
 455
 456 struct acpi_walk_state *
 457 acpi_ds_pop_walk_state (
 458         struct acpi_thread_state        *thread);
 459
 460 void
 461 acpi_ds_push_walk_state (
 462         struct acpi_walk_state          *walk_state,
 463         struct acpi_thread_state        *thread);
 464
 465 acpi_status
 466 acpi_ds_result_stack_pop (
 467         struct acpi_walk_state          *walk_state);
 468
 469 acpi_status
 470 acpi_ds_result_stack_push (
 471         struct acpi_walk_state          *walk_state);
 472
 473 acpi_status
 474 acpi_ds_result_stack_clear (
 475         struct acpi_walk_state          *walk_state);
 476
 477 struct acpi_walk_state *
 478 acpi_ds_get_current_walk_state (
 479         struct acpi_thread_state        *thread);
 480
 481 void
 482 acpi_ds_delete_walk_state_cache (
 483         void);
 484
 485 acpi_status
 486 acpi_ds_result_insert (
 487         void                            *object,
 488         u32                             index,
 489         struct acpi_walk_state          *walk_state);
 490
 491 acpi_status
 492 acpi_ds_result_remove (
 493         union acpi_operand_object       **object,
 494         u32                             index,
 495         struct acpi_walk_state          *walk_state);
 496
 497 acpi_status
 498 acpi_ds_result_pop (
 499         union acpi_operand_object       **object,
 500         struct acpi_walk_state          *walk_state);
 501
 502 acpi_status
 503 acpi_ds_result_push (
 504         union acpi_operand_object       *object,
 505         struct acpi_walk_state          *walk_state);
 506
 507 acpi_status
 508 acpi_ds_result_pop_from_bottom (
 509         union acpi_operand_object       **object,
 510         struct acpi_walk_state          *walk_state);
 511
 512 #endif /* _ACDISPAT_H_ */