drivers/acpi/acpica/nsdump.c

   1 /******************************************************************************
   2  *
   3  * Module Name: nsdump - table dumping routines for debug
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, 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 #include <acpi/acpi.h>
  45 #include "accommon.h"
  46 #include "acnamesp.h"
  47 #include <acpi/acoutput.h>
  48
  49 #define _COMPONENT          ACPI_NAMESPACE
  50 ACPI_MODULE_NAME("nsdump")
  51
  52 /* Local prototypes */
  53 #ifdef ACPI_OBSOLETE_FUNCTIONS
  54 void acpi_ns_dump_root_devices(void);
  55
  56 static acpi_status
  57 acpi_ns_dump_one_device(acpi_handle obj_handle,
  58                         u32 level, void *context, void **return_value);
  59 #endif
  60
  61 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  62
  63 static acpi_status
  64 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
  65                              u32 level, void *context, void **return_value);
  66
  67 static acpi_status
  68 acpi_ns_get_max_depth(acpi_handle obj_handle,
  69                       u32 level, void *context, void **return_value);
  70
  71 /*******************************************************************************
  72  *
  73  * FUNCTION:    acpi_ns_print_pathname
  74  *
  75  * PARAMETERS:  num_segments        - Number of ACPI name segments
  76  *              pathname            - The compressed (internal) path
  77  *
  78  * RETURN:      None
  79  *
  80  * DESCRIPTION: Print an object's full namespace pathname
  81  *
  82  ******************************************************************************/
  83
  84 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
  85 {
  86         u32 i;
  87
  88         ACPI_FUNCTION_NAME(ns_print_pathname);
  89
  90         /* Check if debug output enabled */
  91
  92         if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
  93                 return;
  94         }
  95
  96         /* Print the entire name */
  97
  98         ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
  99
 100         while (num_segments) {
 101                 for (i = 0; i < 4; i++) {
 102                         isprint((int)pathname[i]) ?
 103                             acpi_os_printf("%c", pathname[i]) :
 104                             acpi_os_printf("?");
 105                 }
 106
 107                 pathname += ACPI_NAME_SIZE;
 108                 num_segments--;
 109                 if (num_segments) {
 110                         acpi_os_printf(".");
 111                 }
 112         }
 113
 114         acpi_os_printf("]\n");
 115 }
 116
 117 /*******************************************************************************
 118  *
 119  * FUNCTION:    acpi_ns_dump_pathname
 120  *
 121  * PARAMETERS:  handle              - Object
 122  *              msg                 - Prefix message
 123  *              level               - Desired debug level
 124  *              component           - Caller's component ID
 125  *
 126  * RETURN:      None
 127  *
 128  * DESCRIPTION: Print an object's full namespace pathname
 129  *              Manages allocation/freeing of a pathname buffer
 130  *
 131  ******************************************************************************/
 132
 133 void
 134 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
 135 {
 136
 137         ACPI_FUNCTION_TRACE(ns_dump_pathname);
 138
 139         /* Do this only if the requested debug level and component are enabled */
 140
 141         if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
 142                 return_VOID;
 143         }
 144
 145         /* Convert handle to a full pathname and print it (with supplied message) */
 146
 147         acpi_ns_print_node_pathname(handle, msg);
 148         acpi_os_printf("\n");
 149         return_VOID;
 150 }
 151
 152 /*******************************************************************************
 153  *
 154  * FUNCTION:    acpi_ns_dump_one_object
 155  *
 156  * PARAMETERS:  obj_handle          - Node to be dumped
 157  *              level               - Nesting level of the handle
 158  *              context             - Passed into walk_namespace
 159  *              return_value        - Not used
 160  *
 161  * RETURN:      Status
 162  *
 163  * DESCRIPTION: Dump a single Node
 164  *              This procedure is a user_function called by acpi_ns_walk_namespace.
 165  *
 166  ******************************************************************************/
 167
 168 acpi_status
 169 acpi_ns_dump_one_object(acpi_handle obj_handle,
 170                         u32 level, void *context, void **return_value)
 171 {
 172         struct acpi_walk_info *info = (struct acpi_walk_info *)context;
 173         struct acpi_namespace_node *this_node;
 174         union acpi_operand_object *obj_desc = NULL;
 175         acpi_object_type obj_type;
 176         acpi_object_type type;
 177         u32 bytes_to_dump;
 178         u32 dbg_level;
 179         u32 i;
 180
 181         ACPI_FUNCTION_NAME(ns_dump_one_object);
 182
 183         /* Is output enabled? */
 184
 185         if (!(acpi_dbg_level & info->debug_level)) {
 186                 return (AE_OK);
 187         }
 188
 189         if (!obj_handle) {
 190                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
 191                 return (AE_OK);
 192         }
 193
 194         this_node = acpi_ns_validate_handle(obj_handle);
 195         if (!this_node) {
 196                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
 197                                   obj_handle));
 198                 return (AE_OK);
 199         }
 200
 201         type = this_node->type;
 202
 203         /* Check if the owner matches */
 204
 205         if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
 206             (info->owner_id != this_node->owner_id)) {
 207                 return (AE_OK);
 208         }
 209
 210         if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
 211
 212                 /* Indent the object according to the level */
 213
 214                 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
 215
 216                 /* Check the node type and name */
 217
 218                 if (type > ACPI_TYPE_LOCAL_MAX) {
 219                         ACPI_WARNING((AE_INFO,
 220                                       "Invalid ACPI Object Type 0x%08X", type));
 221                 }
 222
 223                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
 224         }
 225
 226         /* Now we can print out the pertinent information */
 227
 228         acpi_os_printf(" %-12s %p %2.2X ",
 229                        acpi_ut_get_type_name(type), this_node,
 230                        this_node->owner_id);
 231
 232         dbg_level = acpi_dbg_level;
 233         acpi_dbg_level = 0;
 234         obj_desc = acpi_ns_get_attached_object(this_node);
 235         acpi_dbg_level = dbg_level;
 236
 237         /* Temp nodes are those nodes created by a control method */
 238
 239         if (this_node->flags & ANOBJ_TEMPORARY) {
 240                 acpi_os_printf("(T) ");
 241         }
 242
 243         switch (info->display_type & ACPI_DISPLAY_MASK) {
 244         case ACPI_DISPLAY_SUMMARY:
 245
 246                 if (!obj_desc) {
 247
 248                         /* No attached object. Some types should always have an object */
 249
 250                         switch (type) {
 251                         case ACPI_TYPE_INTEGER:
 252                         case ACPI_TYPE_PACKAGE:
 253                         case ACPI_TYPE_BUFFER:
 254                         case ACPI_TYPE_STRING:
 255                         case ACPI_TYPE_METHOD:
 256
 257                                 acpi_os_printf("<No attached object>");
 258                                 break;
 259
 260                         default:
 261
 262                                 break;
 263                         }
 264
 265                         acpi_os_printf("\n");
 266                         return (AE_OK);
 267                 }
 268
 269                 switch (type) {
 270                 case ACPI_TYPE_PROCESSOR:
 271
 272                         acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n",
 273                                        obj_desc->processor.proc_id,
 274                                        obj_desc->processor.length,
 275                                        ACPI_FORMAT_UINT64(obj_desc->processor.
 276                                                           address));
 277                         break;
 278
 279                 case ACPI_TYPE_DEVICE:
 280
 281                         acpi_os_printf("Notify Object: %p\n", obj_desc);
 282                         break;
 283
 284                 case ACPI_TYPE_METHOD:
 285
 286                         acpi_os_printf("Args %X Len %.4X Aml %p\n",
 287                                        (u32) obj_desc->method.param_count,
 288                                        obj_desc->method.aml_length,
 289                                        obj_desc->method.aml_start);
 290                         break;
 291
 292                 case ACPI_TYPE_INTEGER:
 293
 294                         acpi_os_printf("= %8.8X%8.8X\n",
 295                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 296                                                           value));
 297                         break;
 298
 299                 case ACPI_TYPE_PACKAGE:
 300
 301                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 302                                 acpi_os_printf("Elements %.2X\n",
 303                                                obj_desc->package.count);
 304                         } else {
 305                                 acpi_os_printf("[Length not yet evaluated]\n");
 306                         }
 307                         break;
 308
 309                 case ACPI_TYPE_BUFFER:
 310
 311                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 312                                 acpi_os_printf("Len %.2X",
 313                                                obj_desc->buffer.length);
 314
 315                                 /* Dump some of the buffer */
 316
 317                                 if (obj_desc->buffer.length > 0) {
 318                                         acpi_os_printf(" =");
 319                                         for (i = 0;
 320                                              (i < obj_desc->buffer.length
 321                                               && i < 12); i++) {
 322                                                 acpi_os_printf(" %.2hX",
 323                                                                obj_desc->buffer.
 324                                                                pointer[i]);
 325                                         }
 326                                 }
 327                                 acpi_os_printf("\n");
 328                         } else {
 329                                 acpi_os_printf("[Length not yet evaluated]\n");
 330                         }
 331                         break;
 332
 333                 case ACPI_TYPE_STRING:
 334
 335                         acpi_os_printf("Len %.2X ", obj_desc->string.length);
 336                         acpi_ut_print_string(obj_desc->string.pointer, 32);
 337                         acpi_os_printf("\n");
 338                         break;
 339
 340                 case ACPI_TYPE_REGION:
 341
 342                         acpi_os_printf("[%s]",
 343                                        acpi_ut_get_region_name(obj_desc->region.
 344                                                                space_id));
 345                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
 346                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
 347                                                ACPI_FORMAT_UINT64(obj_desc->
 348                                                                   region.
 349                                                                   address),
 350                                                obj_desc->region.length);
 351                         } else {
 352                                 acpi_os_printf
 353                                     (" [Address/Length not yet evaluated]\n");
 354                         }
 355                         break;
 356
 357                 case ACPI_TYPE_LOCAL_REFERENCE:
 358
 359                         acpi_os_printf("[%s]\n",
 360                                        acpi_ut_get_reference_name(obj_desc));
 361                         break;
 362
 363                 case ACPI_TYPE_BUFFER_FIELD:
 364
 365                         if (obj_desc->buffer_field.buffer_obj &&
 366                             obj_desc->buffer_field.buffer_obj->buffer.node) {
 367                                 acpi_os_printf("Buf [%4.4s]",
 368                                                acpi_ut_get_node_name(obj_desc->
 369                                                                      buffer_field.
 370                                                                      buffer_obj->
 371                                                                      buffer.
 372                                                                      node));
 373                         }
 374                         break;
 375
 376                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 377
 378                         acpi_os_printf("Rgn [%4.4s]",
 379                                        acpi_ut_get_node_name(obj_desc->
 380                                                              common_field.
 381                                                              region_obj->region.
 382                                                              node));
 383                         break;
 384
 385                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 386
 387                         acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
 388                                        acpi_ut_get_node_name(obj_desc->
 389                                                              common_field.
 390                                                              region_obj->region.
 391                                                              node),
 392                                        acpi_ut_get_node_name(obj_desc->
 393                                                              bank_field.
 394                                                              bank_obj->
 395                                                              common_field.
 396                                                              node));
 397                         break;
 398
 399                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 400
 401                         acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
 402                                        acpi_ut_get_node_name(obj_desc->
 403                                                              index_field.
 404                                                              index_obj->
 405                                                              common_field.node),
 406                                        acpi_ut_get_node_name(obj_desc->
 407                                                              index_field.
 408                                                              data_obj->
 409                                                              common_field.
 410                                                              node));
 411                         break;
 412
 413                 case ACPI_TYPE_LOCAL_ALIAS:
 414                 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
 415
 416                         acpi_os_printf("Target %4.4s (%p)\n",
 417                                        acpi_ut_get_node_name(obj_desc),
 418                                        obj_desc);
 419                         break;
 420
 421                 default:
 422
 423                         acpi_os_printf("Object %p\n", obj_desc);
 424                         break;
 425                 }
 426
 427                 /* Common field handling */
 428
 429                 switch (type) {
 430                 case ACPI_TYPE_BUFFER_FIELD:
 431                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 432                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 433                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 434
 435                         acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
 436                                        (obj_desc->common_field.
 437                                         base_byte_offset * 8)
 438                                        +
 439                                        obj_desc->common_field.
 440                                        start_field_bit_offset,
 441                                        obj_desc->common_field.bit_length,
 442                                        obj_desc->common_field.
 443                                        access_byte_width);
 444                         break;
 445
 446                 default:
 447
 448                         break;
 449                 }
 450                 break;
 451
 452         case ACPI_DISPLAY_OBJECTS:
 453
 454                 acpi_os_printf("O:%p", obj_desc);
 455                 if (!obj_desc) {
 456
 457                         /* No attached object, we are done */
 458
 459                         acpi_os_printf("\n");
 460                         return (AE_OK);
 461                 }
 462
 463                 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
 464
 465                 switch (type) {
 466                 case ACPI_TYPE_METHOD:
 467
 468                         /* Name is a Method and its AML offset/length are set */
 469
 470                         acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
 471                                        obj_desc->method.aml_length);
 472                         break;
 473
 474                 case ACPI_TYPE_INTEGER:
 475
 476                         acpi_os_printf(" I:%8.8X8.8%X\n",
 477                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 478                                                           value));
 479                         break;
 480
 481                 case ACPI_TYPE_STRING:
 482
 483                         acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
 484                                        obj_desc->string.length);
 485                         break;
 486
 487                 case ACPI_TYPE_BUFFER:
 488
 489                         acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
 490                                        obj_desc->buffer.length);
 491                         break;
 492
 493                 default:
 494
 495                         acpi_os_printf("\n");
 496                         break;
 497                 }
 498                 break;
 499
 500         default:
 501                 acpi_os_printf("\n");
 502                 break;
 503         }
 504
 505         /* If debug turned off, done */
 506
 507         if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
 508                 return (AE_OK);
 509         }
 510
 511         /* If there is an attached object, display it */
 512
 513         dbg_level = acpi_dbg_level;
 514         acpi_dbg_level = 0;
 515         obj_desc = acpi_ns_get_attached_object(this_node);
 516         acpi_dbg_level = dbg_level;
 517
 518         /* Dump attached objects */
 519
 520         while (obj_desc) {
 521                 obj_type = ACPI_TYPE_INVALID;
 522                 acpi_os_printf("Attached Object %p: ", obj_desc);
 523
 524                 /* Decode the type of attached object and dump the contents */
 525
 526                 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
 527                 case ACPI_DESC_TYPE_NAMED:
 528
 529                         acpi_os_printf("(Ptr to Node)\n");
 530                         bytes_to_dump = sizeof(struct acpi_namespace_node);
 531                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 532                         break;
 533
 534                 case ACPI_DESC_TYPE_OPERAND:
 535
 536                         obj_type = obj_desc->common.type;
 537
 538                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
 539                                 acpi_os_printf
 540                                     ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
 541                                      obj_type);
 542
 543                                 bytes_to_dump = 32;
 544                         } else {
 545                                 acpi_os_printf
 546                                     ("(Pointer to ACPI Object type %.2X [%s])\n",
 547                                      obj_type, acpi_ut_get_type_name(obj_type));
 548
 549                                 bytes_to_dump =
 550                                     sizeof(union acpi_operand_object);
 551                         }
 552
 553                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 554                         break;
 555
 556                 default:
 557
 558                         break;
 559                 }
 560
 561                 /* If value is NOT an internal object, we are done */
 562
 563                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
 564                     ACPI_DESC_TYPE_OPERAND) {
 565                         goto cleanup;
 566                 }
 567
 568                 /* Valid object, get the pointer to next level, if any */
 569
 570                 switch (obj_type) {
 571                 case ACPI_TYPE_BUFFER:
 572                 case ACPI_TYPE_STRING:
 573                         /*
 574                          * NOTE: takes advantage of common fields between string/buffer
 575                          */
 576                         bytes_to_dump = obj_desc->string.length;
 577                         obj_desc = (void *)obj_desc->string.pointer;
 578
 579                         acpi_os_printf("(Buffer/String pointer %p length %X)\n",
 580                                        obj_desc, bytes_to_dump);
 581                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 582                         goto cleanup;
 583
 584                 case ACPI_TYPE_BUFFER_FIELD:
 585
 586                         obj_desc =
 587                             (union acpi_operand_object *)obj_desc->buffer_field.
 588                             buffer_obj;
 589                         break;
 590
 591                 case ACPI_TYPE_PACKAGE:
 592
 593                         obj_desc = (void *)obj_desc->package.elements;
 594                         break;
 595
 596                 case ACPI_TYPE_METHOD:
 597
 598                         obj_desc = (void *)obj_desc->method.aml_start;
 599                         break;
 600
 601                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 602
 603                         obj_desc = (void *)obj_desc->field.region_obj;
 604                         break;
 605
 606                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 607
 608                         obj_desc = (void *)obj_desc->bank_field.region_obj;
 609                         break;
 610
 611                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 612
 613                         obj_desc = (void *)obj_desc->index_field.index_obj;
 614                         break;
 615
 616                 default:
 617
 618                         goto cleanup;
 619                 }
 620
 621                 obj_type = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
 622         }
 623
 624 cleanup:
 625         acpi_os_printf("\n");
 626         return (AE_OK);
 627 }
 628
 629 /*******************************************************************************
 630  *
 631  * FUNCTION:    acpi_ns_dump_objects
 632  *
 633  * PARAMETERS:  type                - Object type to be dumped
 634  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
 635  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
 636  *                                    for an effectively unlimited depth.
 637  *              owner_id            - Dump only objects owned by this ID. Use
 638  *                                    ACPI_UINT32_MAX to match all owners.
 639  *              start_handle        - Where in namespace to start/end search
 640  *
 641  * RETURN:      None
 642  *
 643  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
 644  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
 645  *
 646  ******************************************************************************/
 647
 648 void
 649 acpi_ns_dump_objects(acpi_object_type type,
 650                      u8 display_type,
 651                      u32 max_depth,
 652                      acpi_owner_id owner_id, acpi_handle start_handle)
 653 {
 654         struct acpi_walk_info info;
 655         acpi_status status;
 656
 657         ACPI_FUNCTION_ENTRY();
 658
 659         /*
 660          * Just lock the entire namespace for the duration of the dump.
 661          * We don't want any changes to the namespace during this time,
 662          * especially the temporary nodes since we are going to display
 663          * them also.
 664          */
 665         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
 666         if (ACPI_FAILURE(status)) {
 667                 acpi_os_printf("Could not acquire namespace mutex\n");
 668                 return;
 669         }
 670
 671         info.debug_level = ACPI_LV_TABLES;
 672         info.owner_id = owner_id;
 673         info.display_type = display_type;
 674
 675         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
 676                                      ACPI_NS_WALK_NO_UNLOCK |
 677                                      ACPI_NS_WALK_TEMP_NODES,
 678                                      acpi_ns_dump_one_object, NULL,
 679                                      (void *)&info, NULL);
 680
 681         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 682 }
 683
 684 /*******************************************************************************
 685  *
 686  * FUNCTION:    acpi_ns_dump_one_object_path, acpi_ns_get_max_depth
 687  *
 688  * PARAMETERS:  obj_handle          - Node to be dumped
 689  *              level               - Nesting level of the handle
 690  *              context             - Passed into walk_namespace
 691  *              return_value        - Not used
 692  *
 693  * RETURN:      Status
 694  *
 695  * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth
 696  *              computes the maximum nesting depth in the namespace tree, in
 697  *              order to simplify formatting in acpi_ns_dump_one_object_path.
 698  *              These procedures are user_functions called by acpi_ns_walk_namespace.
 699  *
 700  ******************************************************************************/
 701
 702 static acpi_status
 703 acpi_ns_dump_one_object_path(acpi_handle obj_handle,
 704                              u32 level, void *context, void **return_value)
 705 {
 706         u32 max_level = *((u32 *)context);
 707         char *pathname;
 708         struct acpi_namespace_node *node;
 709         int path_indent;
 710
 711         if (!obj_handle) {
 712                 return (AE_OK);
 713         }
 714
 715         node = acpi_ns_validate_handle(obj_handle);
 716         if (!node) {
 717
 718                 /* Ignore bad node during namespace walk */
 719
 720                 return (AE_OK);
 721         }
 722
 723         pathname = acpi_ns_get_normalized_pathname(node, TRUE);
 724
 725         path_indent = 1;
 726         if (level <= max_level) {
 727                 path_indent = max_level - level + 1;
 728         }
 729
 730         acpi_os_printf("%2d%*s%-12s%*s",
 731                        level, level, " ", acpi_ut_get_type_name(node->type),
 732                        path_indent, " ");
 733
 734         acpi_os_printf("%s\n", &pathname[1]);
 735         ACPI_FREE(pathname);
 736         return (AE_OK);
 737 }
 738
 739 static acpi_status
 740 acpi_ns_get_max_depth(acpi_handle obj_handle,
 741                       u32 level, void *context, void **return_value)
 742 {
 743         u32 *max_level = (u32 *)context;
 744
 745         if (level > *max_level) {
 746                 *max_level = level;
 747         }
 748         return (AE_OK);
 749 }
 750
 751 /*******************************************************************************
 752  *
 753  * FUNCTION:    acpi_ns_dump_object_paths
 754  *
 755  * PARAMETERS:  type                - Object type to be dumped
 756  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
 757  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
 758  *                                    for an effectively unlimited depth.
 759  *              owner_id            - Dump only objects owned by this ID. Use
 760  *                                    ACPI_UINT32_MAX to match all owners.
 761  *              start_handle        - Where in namespace to start/end search
 762  *
 763  * RETURN:      None
 764  *
 765  * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
 766  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path.
 767  *
 768  ******************************************************************************/
 769
 770 void
 771 acpi_ns_dump_object_paths(acpi_object_type type,
 772                           u8 display_type,
 773                           u32 max_depth,
 774                           acpi_owner_id owner_id, acpi_handle start_handle)
 775 {
 776         acpi_status status;
 777         u32 max_level = 0;
 778
 779         ACPI_FUNCTION_ENTRY();
 780
 781         /*
 782          * Just lock the entire namespace for the duration of the dump.
 783          * We don't want any changes to the namespace during this time,
 784          * especially the temporary nodes since we are going to display
 785          * them also.
 786          */
 787         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
 788         if (ACPI_FAILURE(status)) {
 789                 acpi_os_printf("Could not acquire namespace mutex\n");
 790                 return;
 791         }
 792
 793         /* Get the max depth of the namespace tree, for formatting later */
 794
 795         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
 796                                      ACPI_NS_WALK_NO_UNLOCK |
 797                                      ACPI_NS_WALK_TEMP_NODES,
 798                                      acpi_ns_get_max_depth, NULL,
 799                                      (void *)&max_level, NULL);
 800
 801         /* Now dump the entire namespace */
 802
 803         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
 804                                      ACPI_NS_WALK_NO_UNLOCK |
 805                                      ACPI_NS_WALK_TEMP_NODES,
 806                                      acpi_ns_dump_one_object_path, NULL,
 807                                      (void *)&max_level, NULL);
 808
 809         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 810 }
 811
 812 /*******************************************************************************
 813  *
 814  * FUNCTION:    acpi_ns_dump_entry
 815  *
 816  * PARAMETERS:  handle              - Node to be dumped
 817  *              debug_level         - Output level
 818  *
 819  * RETURN:      None
 820  *
 821  * DESCRIPTION: Dump a single Node
 822  *
 823  ******************************************************************************/
 824
 825 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
 826 {
 827         struct acpi_walk_info info;
 828
 829         ACPI_FUNCTION_ENTRY();
 830
 831         info.debug_level = debug_level;
 832         info.owner_id = ACPI_OWNER_ID_MAX;
 833         info.display_type = ACPI_DISPLAY_SUMMARY;
 834
 835         (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
 836 }
 837
 838 #ifdef ACPI_ASL_COMPILER
 839 /*******************************************************************************
 840  *
 841  * FUNCTION:    acpi_ns_dump_tables
 842  *
 843  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
 844  *                                    NS_ALL to dump the entire namespace
 845  *              max_depth           - Maximum depth of dump. Use INT_MAX
 846  *                                    for an effectively unlimited depth.
 847  *
 848  * RETURN:      None
 849  *
 850  * DESCRIPTION: Dump the name space, or a portion of it.
 851  *
 852  ******************************************************************************/
 853
 854 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
 855 {
 856         acpi_handle search_handle = search_base;
 857
 858         ACPI_FUNCTION_TRACE(ns_dump_tables);
 859
 860         if (!acpi_gbl_root_node) {
 861                 /*
 862                  * If the name space has not been initialized,
 863                  * there is nothing to dump.
 864                  */
 865                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 866                                   "namespace not initialized!\n"));
 867                 return_VOID;
 868         }
 869
 870         if (ACPI_NS_ALL == search_base) {
 871
 872                 /* Entire namespace */
 873
 874                 search_handle = acpi_gbl_root_node;
 875                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
 876         }
 877
 878         acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
 879                              ACPI_OWNER_ID_MAX, search_handle);
 880         return_VOID;
 881 }
 882 #endif
 883 #endif