drivers/acpi/namespace/nsdump.c

   1 /******************************************************************************
   2  *
   3  * Module Name: nsdump - table dumping routines for debug
   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 #include <acpi/acpi.h>
  45 #include <acpi/acnamesp.h>
  46 #include <acpi/acparser.h>
  47
  48 #define _COMPONENT          ACPI_NAMESPACE
  49 ACPI_MODULE_NAME("nsdump")
  50
  51 /* Local prototypes */
  52 #ifdef ACPI_OBSOLETE_FUNCTIONS
  53 void acpi_ns_dump_root_devices(void);
  54
  55 static acpi_status
  56 acpi_ns_dump_one_device(acpi_handle obj_handle,
  57                         u32 level, void *context, void **return_value);
  58 #endif
  59
  60 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  61 /*******************************************************************************
  62  *
  63  * FUNCTION:    acpi_ns_print_pathname
  64  *
  65  * PARAMETERS:  num_segments        - Number of ACPI name segments
  66  *              Pathname            - The compressed (internal) path
  67  *
  68  * RETURN:      None
  69  *
  70  * DESCRIPTION: Print an object's full namespace pathname
  71  *
  72  ******************************************************************************/
  73
  74 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
  75 {
  76         acpi_native_uint i;
  77
  78         ACPI_FUNCTION_NAME("ns_print_pathname");
  79
  80         if (!(acpi_dbg_level & ACPI_LV_NAMES)
  81             || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
  82                 return;
  83         }
  84
  85         /* Print the entire name */
  86
  87         ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
  88
  89         while (num_segments) {
  90                 for (i = 0; i < 4; i++) {
  91                         ACPI_IS_PRINT(pathname[i]) ?
  92                             acpi_os_printf("%c", pathname[i]) :
  93                             acpi_os_printf("?");
  94                 }
  95
  96                 pathname += ACPI_NAME_SIZE;
  97                 num_segments--;
  98                 if (num_segments) {
  99                         acpi_os_printf(".");
 100                 }
 101         }
 102
 103         acpi_os_printf("]\n");
 104 }
 105
 106 /*******************************************************************************
 107  *
 108  * FUNCTION:    acpi_ns_dump_pathname
 109  *
 110  * PARAMETERS:  Handle              - Object
 111  *              Msg                 - Prefix message
 112  *              Level               - Desired debug level
 113  *              Component           - Caller's component ID
 114  *
 115  * RETURN:      None
 116  *
 117  * DESCRIPTION: Print an object's full namespace pathname
 118  *              Manages allocation/freeing of a pathname buffer
 119  *
 120  ******************************************************************************/
 121
 122 void
 123 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
 124 {
 125
 126         ACPI_FUNCTION_TRACE("ns_dump_pathname");
 127
 128         /* Do this only if the requested debug level and component are enabled */
 129
 130         if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
 131                 return_VOID;
 132         }
 133
 134         /* Convert handle to a full pathname and print it (with supplied message) */
 135
 136         acpi_ns_print_node_pathname(handle, msg);
 137         acpi_os_printf("\n");
 138         return_VOID;
 139 }
 140
 141 /*******************************************************************************
 142  *
 143  * FUNCTION:    acpi_ns_dump_one_object
 144  *
 145  * PARAMETERS:  obj_handle          - Node to be dumped
 146  *              Level               - Nesting level of the handle
 147  *              Context             - Passed into walk_namespace
 148  *              return_value        - Not used
 149  *
 150  * RETURN:      Status
 151  *
 152  * DESCRIPTION: Dump a single Node
 153  *              This procedure is a user_function called by acpi_ns_walk_namespace.
 154  *
 155  ******************************************************************************/
 156
 157 acpi_status
 158 acpi_ns_dump_one_object(acpi_handle obj_handle,
 159                         u32 level, void *context, void **return_value)
 160 {
 161         struct acpi_walk_info *info = (struct acpi_walk_info *)context;
 162         struct acpi_namespace_node *this_node;
 163         union acpi_operand_object *obj_desc = NULL;
 164         acpi_object_type obj_type;
 165         acpi_object_type type;
 166         u32 bytes_to_dump;
 167         u32 dbg_level;
 168         u32 i;
 169
 170         ACPI_FUNCTION_NAME("ns_dump_one_object");
 171
 172         /* Is output enabled? */
 173
 174         if (!(acpi_dbg_level & info->debug_level)) {
 175                 return (AE_OK);
 176         }
 177
 178         if (!obj_handle) {
 179                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
 180                 return (AE_OK);
 181         }
 182
 183         this_node = acpi_ns_map_handle_to_node(obj_handle);
 184         type = this_node->type;
 185
 186         /* Check if the owner matches */
 187
 188         if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
 189             (info->owner_id != this_node->owner_id)) {
 190                 return (AE_OK);
 191         }
 192
 193         if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
 194                 /* Indent the object according to the level */
 195
 196                 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
 197
 198                 /* Check the node type and name */
 199
 200                 if (type > ACPI_TYPE_LOCAL_MAX) {
 201                         ACPI_WARNING((AE_INFO, "Invalid ACPI Object Type %08X",
 202                                       type));
 203                 }
 204
 205                 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
 206                         ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
 207                                       this_node->name.integer));
 208                 }
 209
 210                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
 211         }
 212
 213         /*
 214          * Now we can print out the pertinent information
 215          */
 216         acpi_os_printf(" %-12s %p %2.2X ",
 217                        acpi_ut_get_type_name(type), this_node,
 218                        this_node->owner_id);
 219
 220         dbg_level = acpi_dbg_level;
 221         acpi_dbg_level = 0;
 222         obj_desc = acpi_ns_get_attached_object(this_node);
 223         acpi_dbg_level = dbg_level;
 224
 225         switch (info->display_type & ACPI_DISPLAY_MASK) {
 226         case ACPI_DISPLAY_SUMMARY:
 227
 228                 if (!obj_desc) {
 229                         /* No attached object, we are done */
 230
 231                         acpi_os_printf("\n");
 232                         return (AE_OK);
 233                 }
 234
 235                 switch (type) {
 236                 case ACPI_TYPE_PROCESSOR:
 237
 238                         acpi_os_printf("ID %X Len %.4X Addr %p\n",
 239                                        obj_desc->processor.proc_id,
 240                                        obj_desc->processor.length,
 241                                        (char *)obj_desc->processor.address);
 242                         break;
 243
 244                 case ACPI_TYPE_DEVICE:
 245
 246                         acpi_os_printf("Notify Object: %p\n", obj_desc);
 247                         break;
 248
 249                 case ACPI_TYPE_METHOD:
 250
 251                         acpi_os_printf("Args %X Len %.4X Aml %p\n",
 252                                        (u32) obj_desc->method.param_count,
 253                                        obj_desc->method.aml_length,
 254                                        obj_desc->method.aml_start);
 255                         break;
 256
 257                 case ACPI_TYPE_INTEGER:
 258
 259                         acpi_os_printf("= %8.8X%8.8X\n",
 260                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 261                                                           value));
 262                         break;
 263
 264                 case ACPI_TYPE_PACKAGE:
 265
 266                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 267                                 acpi_os_printf("Elements %.2X\n",
 268                                                obj_desc->package.count);
 269                         } else {
 270                                 acpi_os_printf("[Length not yet evaluated]\n");
 271                         }
 272                         break;
 273
 274                 case ACPI_TYPE_BUFFER:
 275
 276                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 277                                 acpi_os_printf("Len %.2X",
 278                                                obj_desc->buffer.length);
 279
 280                                 /* Dump some of the buffer */
 281
 282                                 if (obj_desc->buffer.length > 0) {
 283                                         acpi_os_printf(" =");
 284                                         for (i = 0;
 285                                              (i < obj_desc->buffer.length
 286                                               && i < 12); i++) {
 287                                                 acpi_os_printf(" %.2hX",
 288                                                                obj_desc->buffer.
 289                                                                pointer[i]);
 290                                         }
 291                                 }
 292                                 acpi_os_printf("\n");
 293                         } else {
 294                                 acpi_os_printf("[Length not yet evaluated]\n");
 295                         }
 296                         break;
 297
 298                 case ACPI_TYPE_STRING:
 299
 300                         acpi_os_printf("Len %.2X ", obj_desc->string.length);
 301                         acpi_ut_print_string(obj_desc->string.pointer, 32);
 302                         acpi_os_printf("\n");
 303                         break;
 304
 305                 case ACPI_TYPE_REGION:
 306
 307                         acpi_os_printf("[%s]",
 308                                        acpi_ut_get_region_name(obj_desc->region.
 309                                                                space_id));
 310                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
 311                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
 312                                                ACPI_FORMAT_UINT64(obj_desc->
 313                                                                   region.
 314                                                                   address),
 315                                                obj_desc->region.length);
 316                         } else {
 317                                 acpi_os_printf
 318                                     (" [Address/Length not yet evaluated]\n");
 319                         }
 320                         break;
 321
 322                 case ACPI_TYPE_LOCAL_REFERENCE:
 323
 324                         acpi_os_printf("[%s]\n",
 325                                        acpi_ps_get_opcode_name(obj_desc->
 326                                                                reference.
 327                                                                opcode));
 328                         break;
 329
 330                 case ACPI_TYPE_BUFFER_FIELD:
 331
 332                         if (obj_desc->buffer_field.buffer_obj &&
 333                             obj_desc->buffer_field.buffer_obj->buffer.node) {
 334                                 acpi_os_printf("Buf [%4.4s]",
 335                                                acpi_ut_get_node_name(obj_desc->
 336                                                                      buffer_field.
 337                                                                      buffer_obj->
 338                                                                      buffer.
 339                                                                      node));
 340                         }
 341                         break;
 342
 343                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 344
 345                         acpi_os_printf("Rgn [%4.4s]",
 346                                        acpi_ut_get_node_name(obj_desc->
 347                                                              common_field.
 348                                                              region_obj->region.
 349                                                              node));
 350                         break;
 351
 352                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 353
 354                         acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
 355                                        acpi_ut_get_node_name(obj_desc->
 356                                                              common_field.
 357                                                              region_obj->region.
 358                                                              node),
 359                                        acpi_ut_get_node_name(obj_desc->
 360                                                              bank_field.
 361                                                              bank_obj->
 362                                                              common_field.
 363                                                              node));
 364                         break;
 365
 366                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 367
 368                         acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
 369                                        acpi_ut_get_node_name(obj_desc->
 370                                                              index_field.
 371                                                              index_obj->
 372                                                              common_field.node),
 373                                        acpi_ut_get_node_name(obj_desc->
 374                                                              index_field.
 375                                                              data_obj->
 376                                                              common_field.
 377                                                              node));
 378                         break;
 379
 380                 case ACPI_TYPE_LOCAL_ALIAS:
 381                 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
 382
 383                         acpi_os_printf("Target %4.4s (%p)\n",
 384                                        acpi_ut_get_node_name(obj_desc),
 385                                        obj_desc);
 386                         break;
 387
 388                 default:
 389
 390                         acpi_os_printf("Object %p\n", obj_desc);
 391                         break;
 392                 }
 393
 394                 /* Common field handling */
 395
 396                 switch (type) {
 397                 case ACPI_TYPE_BUFFER_FIELD:
 398                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 399                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 400                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 401
 402                         acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
 403                                        (obj_desc->common_field.
 404                                         base_byte_offset * 8)
 405                                        +
 406                                        obj_desc->common_field.
 407                                        start_field_bit_offset,
 408                                        obj_desc->common_field.bit_length,
 409                                        obj_desc->common_field.
 410                                        access_byte_width);
 411                         break;
 412
 413                 default:
 414                         break;
 415                 }
 416                 break;
 417
 418         case ACPI_DISPLAY_OBJECTS:
 419
 420                 acpi_os_printf("O:%p", obj_desc);
 421                 if (!obj_desc) {
 422                         /* No attached object, we are done */
 423
 424                         acpi_os_printf("\n");
 425                         return (AE_OK);
 426                 }
 427
 428                 acpi_os_printf("(R%d)", obj_desc->common.reference_count);
 429
 430                 switch (type) {
 431                 case ACPI_TYPE_METHOD:
 432
 433                         /* Name is a Method and its AML offset/length are set */
 434
 435                         acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
 436                                        obj_desc->method.aml_length);
 437                         break;
 438
 439                 case ACPI_TYPE_INTEGER:
 440
 441                         acpi_os_printf(" I:%8.8X8.8%X\n",
 442                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 443                                                           value));
 444                         break;
 445
 446                 case ACPI_TYPE_STRING:
 447
 448                         acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
 449                                        obj_desc->string.length);
 450                         break;
 451
 452                 case ACPI_TYPE_BUFFER:
 453
 454                         acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
 455                                        obj_desc->buffer.length);
 456                         break;
 457
 458                 default:
 459
 460                         acpi_os_printf("\n");
 461                         break;
 462                 }
 463                 break;
 464
 465         default:
 466                 acpi_os_printf("\n");
 467                 break;
 468         }
 469
 470         /* If debug turned off, done */
 471
 472         if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
 473                 return (AE_OK);
 474         }
 475
 476         /* If there is an attached object, display it */
 477
 478         dbg_level = acpi_dbg_level;
 479         acpi_dbg_level = 0;
 480         obj_desc = acpi_ns_get_attached_object(this_node);
 481         acpi_dbg_level = dbg_level;
 482
 483         /* Dump attached objects */
 484
 485         while (obj_desc) {
 486                 obj_type = ACPI_TYPE_INVALID;
 487                 acpi_os_printf("Attached Object %p: ", obj_desc);
 488
 489                 /* Decode the type of attached object and dump the contents */
 490
 491                 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
 492                 case ACPI_DESC_TYPE_NAMED:
 493
 494                         acpi_os_printf("(Ptr to Node)\n");
 495                         bytes_to_dump = sizeof(struct acpi_namespace_node);
 496                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 497                         break;
 498
 499                 case ACPI_DESC_TYPE_OPERAND:
 500
 501                         obj_type = ACPI_GET_OBJECT_TYPE(obj_desc);
 502
 503                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
 504                                 acpi_os_printf
 505                                     ("(Ptr to ACPI Object type %X [UNKNOWN])\n",
 506                                      obj_type);
 507                                 bytes_to_dump = 32;
 508                         } else {
 509                                 acpi_os_printf
 510                                     ("(Ptr to ACPI Object type %X [%s])\n",
 511                                      obj_type, acpi_ut_get_type_name(obj_type));
 512                                 bytes_to_dump =
 513                                     sizeof(union acpi_operand_object);
 514                         }
 515
 516                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 517                         break;
 518
 519                 default:
 520
 521                         break;
 522                 }
 523
 524                 /* If value is NOT an internal object, we are done */
 525
 526                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
 527                     ACPI_DESC_TYPE_OPERAND) {
 528                         goto cleanup;
 529                 }
 530
 531                 /*
 532                  * Valid object, get the pointer to next level, if any
 533                  */
 534                 switch (obj_type) {
 535                 case ACPI_TYPE_BUFFER:
 536                 case ACPI_TYPE_STRING:
 537                         /*
 538                          * NOTE: takes advantage of common fields between string/buffer
 539                          */
 540                         bytes_to_dump = obj_desc->string.length;
 541                         obj_desc = (void *)obj_desc->string.pointer;
 542                         acpi_os_printf("(Buffer/String pointer %p length %X)\n",
 543                                        obj_desc, bytes_to_dump);
 544                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 545                         goto cleanup;
 546
 547                 case ACPI_TYPE_BUFFER_FIELD:
 548                         obj_desc =
 549                             (union acpi_operand_object *)obj_desc->buffer_field.
 550                             buffer_obj;
 551                         break;
 552
 553                 case ACPI_TYPE_PACKAGE:
 554                         obj_desc = (void *)obj_desc->package.elements;
 555                         break;
 556
 557                 case ACPI_TYPE_METHOD:
 558                         obj_desc = (void *)obj_desc->method.aml_start;
 559                         break;
 560
 561                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 562                         obj_desc = (void *)obj_desc->field.region_obj;
 563                         break;
 564
 565                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 566                         obj_desc = (void *)obj_desc->bank_field.region_obj;
 567                         break;
 568
 569                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 570                         obj_desc = (void *)obj_desc->index_field.index_obj;
 571                         break;
 572
 573                 default:
 574                         goto cleanup;
 575                 }
 576
 577                 obj_type = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
 578         }
 579
 580       cleanup:
 581         acpi_os_printf("\n");
 582         return (AE_OK);
 583 }
 584
 585 #ifdef ACPI_FUTURE_USAGE
 586 /*******************************************************************************
 587  *
 588  * FUNCTION:    acpi_ns_dump_objects
 589  *
 590  * PARAMETERS:  Type                - Object type to be dumped
 591  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
 592  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
 593  *                                    for an effectively unlimited depth.
 594  *              owner_id            - Dump only objects owned by this ID.  Use
 595  *                                    ACPI_UINT32_MAX to match all owners.
 596  *              start_handle        - Where in namespace to start/end search
 597  *
 598  * RETURN:      None
 599  *
 600  * DESCRIPTION: Dump typed objects within the loaded namespace.
 601  *              Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
 602  *
 603  ******************************************************************************/
 604
 605 void
 606 acpi_ns_dump_objects(acpi_object_type type,
 607                      u8 display_type,
 608                      u32 max_depth,
 609                      acpi_owner_id owner_id, acpi_handle start_handle)
 610 {
 611         struct acpi_walk_info info;
 612
 613         ACPI_FUNCTION_ENTRY();
 614
 615         info.debug_level = ACPI_LV_TABLES;
 616         info.owner_id = owner_id;
 617         info.display_type = display_type;
 618
 619         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
 620                                      ACPI_NS_WALK_NO_UNLOCK,
 621                                      acpi_ns_dump_one_object, (void *)&info,
 622                                      NULL);
 623 }
 624 #endif                          /* ACPI_FUTURE_USAGE */
 625
 626 /*******************************************************************************
 627  *
 628  * FUNCTION:    acpi_ns_dump_entry
 629  *
 630  * PARAMETERS:  Handle              - Node to be dumped
 631  *              debug_level         - Output level
 632  *
 633  * RETURN:      None
 634  *
 635  * DESCRIPTION: Dump a single Node
 636  *
 637  ******************************************************************************/
 638
 639 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
 640 {
 641         struct acpi_walk_info info;
 642
 643         ACPI_FUNCTION_ENTRY();
 644
 645         info.debug_level = debug_level;
 646         info.owner_id = ACPI_OWNER_ID_MAX;
 647         info.display_type = ACPI_DISPLAY_SUMMARY;
 648
 649         (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
 650 }
 651
 652 #ifdef ACPI_ASL_COMPILER
 653 /*******************************************************************************
 654  *
 655  * FUNCTION:    acpi_ns_dump_tables
 656  *
 657  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
 658  *                                    NS_ALL to dump the entire namespace
 659  *              max_depth           - Maximum depth of dump.  Use INT_MAX
 660  *                                    for an effectively unlimited depth.
 661  *
 662  * RETURN:      None
 663  *
 664  * DESCRIPTION: Dump the name space, or a portion of it.
 665  *
 666  ******************************************************************************/
 667
 668 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
 669 {
 670         acpi_handle search_handle = search_base;
 671
 672         ACPI_FUNCTION_TRACE("ns_dump_tables");
 673
 674         if (!acpi_gbl_root_node) {
 675                 /*
 676                  * If the name space has not been initialized,
 677                  * there is nothing to dump.
 678                  */
 679                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 680                                   "namespace not initialized!\n"));
 681                 return_VOID;
 682         }
 683
 684         if (ACPI_NS_ALL == search_base) {
 685                 /* Entire namespace */
 686
 687                 search_handle = acpi_gbl_root_node;
 688                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
 689         }
 690
 691         acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
 692                              ACPI_OWNER_ID_MAX, search_handle);
 693         return_VOID;
 694 }
 695 #endif                          /* _ACPI_ASL_COMPILER */
 696 #endif                          /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */