include/acpi/acdispat.h

   1 /******************************************************************************
   2  *
   3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2006, 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 #ifndef _ACDISPAT_H_
  45 #define _ACDISPAT_H_
  46
  47 #define NAMEOF_LOCAL_NTE    "__L0"
  48 #define NAMEOF_ARG_NTE      "__A0"
  49
  50 /*
  51  * dsopcode - support for late evaluation
  52  */
  53 acpi_status
  54 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
  55
  56 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
  57
  58 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
  59
  60 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
  61
  62 acpi_status
  63 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
  64                                    union acpi_parse_object *op);
  65
  66 acpi_status
  67 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
  68                              union acpi_parse_object *op);
  69
  70 acpi_status
  71 acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
  72                                   union acpi_parse_object *op,
  73                                   union acpi_operand_object *obj_desc);
  74
  75 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
  76
  77 /*
  78  * dsctrl - Parser/Interpreter interface, control stack routines
  79  */
  80 acpi_status
  81 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
  82                               union acpi_parse_object *op);
  83
  84 acpi_status
  85 acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
  86                             union acpi_parse_object *op);
  87
  88 /*
  89  * dsexec - Parser/Interpreter interface, method execution callbacks
  90  */
  91 acpi_status
  92 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
  93                             union acpi_operand_object *result_obj);
  94
  95 acpi_status
  96 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
  97                       union acpi_parse_object **out_op);
  98
  99 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
 100
 101 /*
 102  * dsfield - Parser/Interpreter interface for AML fields
 103  */
 104 acpi_status
 105 acpi_ds_create_field(union acpi_parse_object *op,
 106                      struct acpi_namespace_node *region_node,
 107                      struct acpi_walk_state *walk_state);
 108
 109 acpi_status
 110 acpi_ds_create_bank_field(union acpi_parse_object *op,
 111                           struct acpi_namespace_node *region_node,
 112                           struct acpi_walk_state *walk_state);
 113
 114 acpi_status
 115 acpi_ds_create_index_field(union acpi_parse_object *op,
 116                            struct acpi_namespace_node *region_node,
 117                            struct acpi_walk_state *walk_state);
 118
 119 acpi_status
 120 acpi_ds_create_buffer_field(union acpi_parse_object *op,
 121                             struct acpi_walk_state *walk_state);
 122
 123 acpi_status
 124 acpi_ds_init_field_objects(union acpi_parse_object *op,
 125                            struct acpi_walk_state *walk_state);
 126
 127 /*
 128  * dsload - Parser/Interpreter interface, namespace load callbacks
 129  */
 130 acpi_status
 131 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
 132                        union acpi_parse_object **out_op);
 133
 134 acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
 135
 136 acpi_status
 137 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
 138                        union acpi_parse_object **out_op);
 139
 140 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
 141
 142 acpi_status
 143 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
 144
 145 /*
 146  * dsmthdat - method data (locals/args)
 147  */
 148 acpi_status
 149 acpi_ds_store_object_to_local(u16 opcode,
 150                               u32 index,
 151                               union acpi_operand_object *src_desc,
 152                               struct acpi_walk_state *walk_state);
 153
 154 acpi_status
 155 acpi_ds_method_data_get_entry(u16 opcode,
 156                               u32 index,
 157                               struct acpi_walk_state *walk_state,
 158                               union acpi_operand_object ***node);
 159
 160 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
 161
 162 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
 163
 164 acpi_status
 165 acpi_ds_method_data_get_value(u16 opcode,
 166                               u32 index,
 167                               struct acpi_walk_state *walk_state,
 168                               union acpi_operand_object **dest_desc);
 169
 170 acpi_status
 171 acpi_ds_method_data_init_args(union acpi_operand_object **params,
 172                               u32 max_param_count,
 173                               struct acpi_walk_state *walk_state);
 174
 175 acpi_status
 176 acpi_ds_method_data_get_node(u16 opcode,
 177                              u32 index,
 178                              struct acpi_walk_state *walk_state,
 179                              struct acpi_namespace_node **node);
 180
 181 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
 182
 183 /*
 184  * dsmethod - Parser/Interpreter interface - control method parsing
 185  */
 186 acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
 187
 188 acpi_status
 189 acpi_ds_call_control_method(struct acpi_thread_state *thread,
 190                             struct acpi_walk_state *walk_state,
 191                             union acpi_parse_object *op);
 192
 193 acpi_status
 194 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
 195                                union acpi_operand_object *return_desc);
 196
 197 void
 198 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 199                                  struct acpi_walk_state *walk_state);
 200
 201 acpi_status
 202 acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
 203                                union acpi_operand_object *obj_desc,
 204                                struct acpi_walk_state *walk_state);
 205
 206 acpi_status
 207 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
 208
 209 /*
 210  * dsinit
 211  */
 212 acpi_status
 213 acpi_ds_initialize_objects(struct acpi_table_desc *table_desc,
 214                            struct acpi_namespace_node *start_node);
 215
 216 /*
 217  * dsobject - Parser/Interpreter interface - object initialization and conversion
 218  */
 219 acpi_status
 220 acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
 221                                   union acpi_parse_object *op,
 222                                   u32 buffer_length,
 223                                   union acpi_operand_object **obj_desc_ptr);
 224
 225 acpi_status
 226 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
 227                                    union acpi_parse_object *op,
 228                                    u32 package_length,
 229                                    union acpi_operand_object **obj_desc);
 230
 231 acpi_status
 232 acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 233                             union acpi_parse_object *op,
 234                             u16 opcode, union acpi_operand_object **obj_desc);
 235
 236 acpi_status
 237 acpi_ds_create_node(struct acpi_walk_state *walk_state,
 238                     struct acpi_namespace_node *node,
 239                     union acpi_parse_object *op);
 240
 241 /*
 242  * dsutils - Parser/Interpreter interface utility routines
 243  */
 244 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
 245
 246 u8
 247 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
 248                            struct acpi_walk_state *walk_state,
 249                            u8 add_reference);
 250
 251 u8
 252 acpi_ds_is_result_used(union acpi_parse_object *op,
 253                        struct acpi_walk_state *walk_state);
 254
 255 void
 256 acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
 257                                   union acpi_operand_object *result_obj,
 258                                   struct acpi_walk_state *walk_state);
 259
 260 acpi_status
 261 acpi_ds_create_operand(struct acpi_walk_state *walk_state,
 262                        union acpi_parse_object *arg, u32 args_remaining);
 263
 264 acpi_status
 265 acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 266                         union acpi_parse_object *first_arg);
 267
 268 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
 269
 270 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
 271
 272 /*
 273  * dswscope - Scope Stack manipulation
 274  */
 275 acpi_status
 276 acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
 277                          acpi_object_type type,
 278                          struct acpi_walk_state *walk_state);
 279
 280 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
 281
 282 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
 283
 284 /*
 285  * dswstate - parser WALK_STATE management routines
 286  */
 287 acpi_status
 288 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
 289
 290 acpi_status
 291 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
 292
 293 struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
 294                                                   union acpi_parse_object
 295                                                   *origin,
 296                                                   union acpi_operand_object
 297                                                   *mth_desc,
 298                                                   struct acpi_thread_state
 299                                                   *thread);
 300
 301 acpi_status
 302 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
 303                       union acpi_parse_object *op,
 304                       struct acpi_namespace_node *method_node,
 305                       u8 * aml_start,
 306                       u32 aml_length,
 307                       struct acpi_evaluate_info *info, u8 pass_number);
 308
 309 acpi_status
 310 acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
 311                                  struct acpi_walk_state *walk_state);
 312
 313 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
 314
 315 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
 316                                                *thread);
 317
 318 void
 319 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
 320                         struct acpi_thread_state *thread);
 321
 322 acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state);
 323
 324 acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *walk_state);
 325
 326 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
 327
 328 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
 329                                                        *thread);
 330
 331 #ifdef ACPI_FUTURE_USAGE
 332 acpi_status
 333 acpi_ds_result_remove(union acpi_operand_object **object,
 334                       u32 index, struct acpi_walk_state *walk_state);
 335 #endif
 336
 337 acpi_status
 338 acpi_ds_result_pop(union acpi_operand_object **object,
 339                    struct acpi_walk_state *walk_state);
 340
 341 acpi_status
 342 acpi_ds_result_push(union acpi_operand_object *object,
 343                     struct acpi_walk_state *walk_state);
 344
 345 acpi_status
 346 acpi_ds_result_pop_from_bottom(union acpi_operand_object **object,
 347                                struct acpi_walk_state *walk_state);
 348
 349 #endif                          /* _ACDISPAT_H_ */