LXR linux/drivers/acpi/acpica/acdispat.h

   1/******************************************************************************
   2 *
   3 * Name: acdispat.h - dispatcher (parser to interpreter interface)
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2013, 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 _ACDISPAT_H_
  45#define _ACDISPAT_H_
  46
  47#define NAMEOF_LOCAL_NTE    "__L0"
  48#define NAMEOF_ARG_NTE      "__A0"
  49
  50/*
  51 * dsargs - execution of dynamic arguments for static objects
  52 */
  53acpi_status
  54acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
  55
  56acpi_status
  57acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
  58
  59acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
  60
  61acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
  62
  63acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
  64
  65/*
  66 * dscontrol - support for execution control opcodes
  67 */
  68acpi_status
  69acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
  70                              union acpi_parse_object *op);
  71
  72acpi_status
  73acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
  74                            union acpi_parse_object *op);
  75
  76/*
  77 * dsopcode - support for late operand evaluation
  78 */
  79acpi_status
  80acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
  81                                   union acpi_parse_object *op);
  82
  83acpi_status
  84acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
  85                             union acpi_parse_object *op);
  86
  87acpi_status
  88acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
  89                                   union acpi_parse_object *op);
  90
  91acpi_status
  92acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
  93                                  union acpi_parse_object *op,
  94                                  union acpi_operand_object *obj_desc);
  95
  96acpi_status
  97acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
  98                                 union acpi_parse_object *op);
  99
 100acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
 101
 102/*
 103 * dsexec - Parser/Interpreter interface, method execution callbacks
 104 */
 105acpi_status
 106acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
 107                            union acpi_operand_object *result_obj);
 108
 109acpi_status
 110acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
 111                      union acpi_parse_object **out_op);
 112
 113acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
 114
 115/*
 116 * dsfield - Parser/Interpreter interface for AML fields
 117 */
 118acpi_status
 119acpi_ds_create_field(union acpi_parse_object *op,
 120                     struct acpi_namespace_node *region_node,
 121                     struct acpi_walk_state *walk_state);
 122
 123acpi_status
 124acpi_ds_create_bank_field(union acpi_parse_object *op,
 125                          struct acpi_namespace_node *region_node,
 126                          struct acpi_walk_state *walk_state);
 127
 128acpi_status
 129acpi_ds_create_index_field(union acpi_parse_object *op,
 130                           struct acpi_namespace_node *region_node,
 131                           struct acpi_walk_state *walk_state);
 132
 133acpi_status
 134acpi_ds_create_buffer_field(union acpi_parse_object *op,
 135                            struct acpi_walk_state *walk_state);
 136
 137acpi_status
 138acpi_ds_init_field_objects(union acpi_parse_object *op,
 139                           struct acpi_walk_state *walk_state);
 140
 141/*
 142 * dsload - Parser/Interpreter interface, pass 1 namespace load callbacks
 143 */
 144acpi_status
 145acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
 146
 147acpi_status
 148acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
 149                       union acpi_parse_object **out_op);
 150
 151acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
 152
 153/*
 154 * dsload - Parser/Interpreter interface, pass 2 namespace load callbacks
 155 */
 156acpi_status
 157acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
 158                       union acpi_parse_object **out_op);
 159
 160acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
 161
 162/*
 163 * dsmthdat - method data (locals/args)
 164 */
 165acpi_status
 166acpi_ds_store_object_to_local(u8 type,
 167                              u32 index,
 168                              union acpi_operand_object *src_desc,
 169                              struct acpi_walk_state *walk_state);
 170
 171acpi_status
 172acpi_ds_method_data_get_entry(u16 opcode,
 173                              u32 index,
 174                              struct acpi_walk_state *walk_state,
 175                              union acpi_operand_object ***node);
 176
 177void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
 178
 179u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
 180
 181acpi_status
 182acpi_ds_method_data_get_value(u8 type,
 183                              u32 index,
 184                              struct acpi_walk_state *walk_state,
 185                              union acpi_operand_object **dest_desc);
 186
 187acpi_status
 188acpi_ds_method_data_init_args(union acpi_operand_object **params,
 189                              u32 max_param_count,
 190                              struct acpi_walk_state *walk_state);
 191
 192acpi_status
 193acpi_ds_method_data_get_node(u8 type,
 194                             u32 index,
 195                             struct acpi_walk_state *walk_state,
 196                             struct acpi_namespace_node **node);
 197
 198void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
 199
 200/*
 201 * dsmethod - Parser/Interpreter interface - control method parsing
 202 */
 203acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
 204
 205acpi_status
 206acpi_ds_call_control_method(struct acpi_thread_state *thread,
 207                            struct acpi_walk_state *walk_state,
 208                            union acpi_parse_object *op);
 209
 210acpi_status
 211acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
 212                               union acpi_operand_object *return_desc);
 213
 214void
 215acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 216                                 struct acpi_walk_state *walk_state);
 217
 218acpi_status
 219acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 220                               union acpi_operand_object *obj_desc,
 221                               struct acpi_walk_state *walk_state);
 222
 223acpi_status
 224acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
 225
 226/*
 227 * dsinit
 228 */
 229acpi_status
 230acpi_ds_initialize_objects(u32 table_index,
 231                           struct acpi_namespace_node *start_node);
 232
 233/*
 234 * dsobject - Parser/Interpreter interface - object initialization and conversion
 235 */
 236acpi_status
 237acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
 238                                  union acpi_parse_object *op,
 239                                  u32 buffer_length,
 240                                  union acpi_operand_object **obj_desc_ptr);
 241
 242acpi_status
 243acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
 244                                   union acpi_parse_object *op,
 245                                   u32 package_length,
 246                                   union acpi_operand_object **obj_desc);
 247
 248acpi_status
 249acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 250                            union acpi_parse_object *op,
 251                            u16 opcode, union acpi_operand_object **obj_desc);
 252
 253acpi_status
 254acpi_ds_create_node(struct acpi_walk_state *walk_state,
 255                    struct acpi_namespace_node *node,
 256                    union acpi_parse_object *op);
 257
 258/*
 259 * dsutils - Parser/Interpreter interface utility routines
 260 */
 261void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
 262
 263u8
 264acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
 265                           struct acpi_walk_state *walk_state,
 266                           u8 add_reference);
 267
 268u8
 269acpi_ds_is_result_used(union acpi_parse_object *op,
 270                       struct acpi_walk_state *walk_state);
 271
 272void
 273acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
 274                                  union acpi_operand_object *result_obj,
 275                                  struct acpi_walk_state *walk_state);
 276
 277acpi_status
 278acpi_ds_create_operand(struct acpi_walk_state *walk_state,
 279                       union acpi_parse_object *arg, u32 args_remaining);
 280
 281acpi_status
 282acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 283                        union acpi_parse_object *first_arg);
 284
 285acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
 286
 287void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
 288
 289acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
 290
 291/*
 292 * dswscope - Scope Stack manipulation
 293 */
 294acpi_status
 295acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
 296                         acpi_object_type type,
 297                         struct acpi_walk_state *walk_state);
 298
 299acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
 300
 301void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
 302
 303/*
 304 * dswstate - parser WALK_STATE management routines
 305 */
 306acpi_status
 307acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
 308
 309acpi_status
 310acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
 311
 312struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id,
 313                                                   union acpi_parse_object
 314                                                   *origin,
 315                                                   union acpi_operand_object
 316                                                   *mth_desc,
 317                                                   struct acpi_thread_state
 318                                                   *thread);
 319
 320acpi_status
 321acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
 322                      union acpi_parse_object *op,
 323                      struct acpi_namespace_node *method_node,
 324                      u8 * aml_start,
 325                      u32 aml_length,
 326                      struct acpi_evaluate_info *info, u8 pass_number);
 327
 328void
 329acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
 330                                 struct acpi_walk_state *walk_state);
 331
 332void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
 333
 334struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
 335                                               *thread);
 336
 337void
 338acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
 339                        struct acpi_thread_state *thread);
 340
 341acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
 342
 343struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
 344                                                       *thread);
 345
 346acpi_status
 347acpi_ds_result_pop(union acpi_operand_object **object,
 348                   struct acpi_walk_state *walk_state);
 349
 350acpi_status
 351acpi_ds_result_push(union acpi_operand_object *object,
 352                    struct acpi_walk_state *walk_state);
 353
 354#endif                          /* _ACDISPAT_H_ */
 355