drivers/acpi/acpica/acdispat.h

   1 /******************************************************************************
   2  *
   3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2011, 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  */
  53 acpi_status
  54 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
  55
  56 acpi_status
  57 acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
  58
  59 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
  60
  61 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
  62
  63 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
  64
  65 /*
  66  * dscontrol - support for execution control opcodes
  67  */
  68 acpi_status
  69 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
  70                               union acpi_parse_object *op);
  71
  72 acpi_status
  73 acpi_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  */
  79 acpi_status
  80 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
  81                                    union acpi_parse_object *op);
  82
  83 acpi_status
  84 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
  85                              union acpi_parse_object *op);
  86
  87 acpi_status
  88 acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
  89                                    union acpi_parse_object *op);
  90
  91 acpi_status
  92 acpi_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
  96 acpi_status
  97 acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
  98                                  union acpi_parse_object *op);
  99
 100 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
 101
 102 /*
 103  * dsexec - Parser/Interpreter interface, method execution callbacks
 104  */
 105 acpi_status
 106 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
 107                             union acpi_operand_object *result_obj);
 108
 109 acpi_status
 110 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
 111                       union acpi_parse_object **out_op);
 112
 113 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
 114
 115 /*
 116  * dsfield - Parser/Interpreter interface for AML fields
 117  */
 118 acpi_status
 119 acpi_ds_create_field(union acpi_parse_object *op,
 120                      struct acpi_namespace_node *region_node,
 121                      struct acpi_walk_state *walk_state);
 122
 123 acpi_status
 124 acpi_ds_create_bank_field(union acpi_parse_object *op,
 125                           struct acpi_namespace_node *region_node,
 126                           struct acpi_walk_state *walk_state);
 127
 128 acpi_status
 129 acpi_ds_create_index_field(union acpi_parse_object *op,
 130                            struct acpi_namespace_node *region_node,
 131                            struct acpi_walk_state *walk_state);
 132
 133 acpi_status
 134 acpi_ds_create_buffer_field(union acpi_parse_object *op,
 135                             struct acpi_walk_state *walk_state);
 136
 137 acpi_status
 138 acpi_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  */
 144 acpi_status
 145 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
 146
 147 acpi_status
 148 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
 149                        union acpi_parse_object **out_op);
 150
 151 acpi_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  */
 156 acpi_status
 157 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
 158                        union acpi_parse_object **out_op);
 159
 160 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
 161
 162 /*
 163  * dsmthdat - method data (locals/args)
 164  */
 165 acpi_status
 166 acpi_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
 171 acpi_status
 172 acpi_ds_method_data_get_entry(u16 opcode,
 173                               u32 index,
 174                               struct acpi_walk_state *walk_state,
 175                               union acpi_operand_object ***node);
 176
 177 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
 178
 179 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
 180
 181 acpi_status
 182 acpi_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
 187 acpi_status
 188 acpi_ds_method_data_init_args(union acpi_operand_object **params,
 189                               u32 max_param_count,
 190                               struct acpi_walk_state *walk_state);
 191
 192 acpi_status
 193 acpi_ds_method_data_get_node(u8 type,
 194                              u32 index,
 195                              struct acpi_walk_state *walk_state,
 196                              struct acpi_namespace_node **node);
 197
 198 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
 199
 200 /*
 201  * dsmethod - Parser/Interpreter interface - control method parsing
 202  */
 203 acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
 204
 205 acpi_status
 206 acpi_ds_call_control_method(struct acpi_thread_state *thread,
 207                             struct acpi_walk_state *walk_state,
 208                             union acpi_parse_object *op);
 209
 210 acpi_status
 211 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
 212                                union acpi_operand_object *return_desc);
 213
 214 void
 215 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 216                                  struct acpi_walk_state *walk_state);
 217
 218 acpi_status
 219 acpi_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
 223 acpi_status
 224 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
 225
 226 /*
 227  * dsinit
 228  */
 229 acpi_status
 230 acpi_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  */
 236 acpi_status
 237 acpi_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
 242 acpi_status
 243 acpi_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
 248 acpi_status
 249 acpi_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
 253 acpi_status
 254 acpi_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  */
 261 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
 262
 263 u8
 264 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
 265                            struct acpi_walk_state *walk_state,
 266                            u8 add_reference);
 267
 268 u8
 269 acpi_ds_is_result_used(union acpi_parse_object *op,
 270                        struct acpi_walk_state *walk_state);
 271
 272 void
 273 acpi_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
 277 acpi_status
 278 acpi_ds_create_operand(struct acpi_walk_state *walk_state,
 279                        union acpi_parse_object *arg, u32 args_remaining);
 280
 281 acpi_status
 282 acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 283                         union acpi_parse_object *first_arg);
 284
 285 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
 286
 287 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
 288
 289 acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
 290
 291 /*
 292  * dswscope - Scope Stack manipulation
 293  */
 294 acpi_status
 295 acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
 296                          acpi_object_type type,
 297                          struct acpi_walk_state *walk_state);
 298
 299 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
 300
 301 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
 302
 303 /*
 304  * dswstate - parser WALK_STATE management routines
 305  */
 306 acpi_status
 307 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
 308
 309 acpi_status
 310 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
 311
 312 struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
 313                                                   *origin, union acpi_operand_object
 314                                                   *mth_desc, struct acpi_thread_state
 315                                                   *thread);
 316
 317 acpi_status
 318 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
 319                       union acpi_parse_object *op,
 320                       struct acpi_namespace_node *method_node,
 321                       u8 * aml_start,
 322                       u32 aml_length,
 323                       struct acpi_evaluate_info *info, u8 pass_number);
 324
 325 void
 326 acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
 327                                  struct acpi_walk_state *walk_state);
 328
 329 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
 330
 331 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
 332                                                *thread);
 333
 334 void
 335 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
 336                         struct acpi_thread_state *thread);
 337
 338 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
 339
 340 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
 341                                                        *thread);
 342
 343 acpi_status
 344 acpi_ds_result_pop(union acpi_operand_object **object,
 345                    struct acpi_walk_state *walk_state);
 346
 347 acpi_status
 348 acpi_ds_result_push(union acpi_operand_object *object,
 349                     struct acpi_walk_state *walk_state);
 350
 351 #endif                          /* _ACDISPAT_H_ */