1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 2 /****************************************************************************** 3 * 4 * Module Name: nsdump - table dumping routines for debug 5 * 6 * Copyright (C) 2000 - 2021, Intel Corp. 7 * 8 *****************************************************************************/ 9 10 #include <acpi/acpi.h> 11 #include "accommon.h" 12 #include "acnamesp.h" 13 #include <acpi/acoutput.h> 14 15 #define _COMPONENT ACPI_NAMESPACE 16 ACPI_MODULE_NAME("nsdump") 17 18 /* Local prototypes */ 19 #ifdef ACPI_OBSOLETE_FUNCTIONS 20 void acpi_ns_dump_root_devices(void); 21 22 static acpi_status 23 acpi_ns_dump_one_device(acpi_handle obj_handle, 24 u32 level, void *context, void **return_value); 25 #endif 26 27 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 28 29 static acpi_status 30 acpi_ns_dump_one_object_path(acpi_handle obj_handle, 31 u32 level, void *context, void **return_value); 32 33 static acpi_status 34 acpi_ns_get_max_depth(acpi_handle obj_handle, 35 u32 level, void *context, void **return_value); 36 37 /******************************************************************************* 38 * 39 * FUNCTION: acpi_ns_print_pathname 40 * 41 * PARAMETERS: num_segments - Number of ACPI name segments 42 * pathname - The compressed (internal) path 43 * 44 * RETURN: None 45 * 46 * DESCRIPTION: Print an object's full namespace pathname 47 * 48 ******************************************************************************/ 49 50 void acpi_ns_print_pathname(u32 num_segments, const char *pathname) 51 { 52 u32 i; 53 54 ACPI_FUNCTION_NAME(ns_print_pathname); 55 56 /* Check if debug output enabled */ 57 58 if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) { 59 return; 60 } 61 62 /* Print the entire name */ 63 64 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "[")); 65 66 while (num_segments) { 67 for (i = 0; i < 4; i++) { 68 isprint((int)pathname[i]) ? 69 acpi_os_printf("%c", pathname[i]) : 70 acpi_os_printf("?"); 71 } 72 73 pathname += ACPI_NAMESEG_SIZE; 74 num_segments--; 75 if (num_segments) { 76 acpi_os_printf("."); 77 } 78 } 79 80 acpi_os_printf("]\n"); 81 } 82 83 #ifdef ACPI_OBSOLETE_FUNCTIONS 84 /* Not used at this time, perhaps later */ 85 86 /******************************************************************************* 87 * 88 * FUNCTION: acpi_ns_dump_pathname 89 * 90 * PARAMETERS: handle - Object 91 * msg - Prefix message 92 * level - Desired debug level 93 * component - Caller's component ID 94 * 95 * RETURN: None 96 * 97 * DESCRIPTION: Print an object's full namespace pathname 98 * Manages allocation/freeing of a pathname buffer 99 * 100 ******************************************************************************/ 101 102 void 103 acpi_ns_dump_pathname(acpi_handle handle, 104 const char *msg, u32 level, u32 component) 105 { 106 107 ACPI_FUNCTION_TRACE(ns_dump_pathname); 108 109 /* Do this only if the requested debug level and component are enabled */ 110 111 if (!ACPI_IS_DEBUG_ENABLED(level, component)) { 112 return_VOID; 113 } 114 115 /* Convert handle to a full pathname and print it (with supplied message) */ 116 117 acpi_ns_print_node_pathname(handle, msg); 118 acpi_os_printf("\n"); 119 return_VOID; 120 } 121 #endif 122 123 /******************************************************************************* 124 * 125 * FUNCTION: acpi_ns_dump_one_object 126 * 127 * PARAMETERS: obj_handle - Node to be dumped 128 * level - Nesting level of the handle 129 * context - Passed into walk_namespace 130 * return_value - Not used 131 * 132 * RETURN: Status 133 * 134 * DESCRIPTION: Dump a single Node 135 * This procedure is a user_function called by acpi_ns_walk_namespace. 136 * 137 ******************************************************************************/ 138 139 acpi_status 140 acpi_ns_dump_one_object(acpi_handle obj_handle, 141 u32 level, void *context, void **return_value) 142 { 143 struct acpi_walk_info *info = (struct acpi_walk_info *)context; 144 struct acpi_namespace_node *this_node; 145 union acpi_operand_object *obj_desc = NULL; 146 acpi_object_type obj_type; 147 acpi_object_type type; 148 u32 bytes_to_dump; 149 u32 dbg_level; 150 u32 i; 151 152 ACPI_FUNCTION_NAME(ns_dump_one_object); 153 154 /* Is output enabled? */ 155 156 if (!(acpi_dbg_level & info->debug_level)) { 157 return (AE_OK); 158 } 159 160 if (!obj_handle) { 161 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n")); 162 return (AE_OK); 163 } 164 165 this_node = acpi_ns_validate_handle(obj_handle); 166 if (!this_node) { 167 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n", 168 obj_handle)); 169 return (AE_OK); 170 } 171 172 type = this_node->type; 173 info->count++; 174 175 /* Check if the owner matches */ 176 177 if ((info->owner_id != ACPI_OWNER_ID_MAX) && 178 (info->owner_id != this_node->owner_id)) { 179 return (AE_OK); 180 } 181 182 if (!(info->display_type & ACPI_DISPLAY_SHORT)) { 183 184 /* Indent the object according to the level */ 185 186 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " "); 187 188 /* Check the node type and name */ 189 190 if (type > ACPI_TYPE_LOCAL_MAX) { 191 ACPI_WARNING((AE_INFO, 192 "Invalid ACPI Object Type 0x%08X", type)); 193 } 194 195 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node)); 196 } 197 198 /* Now we can print out the pertinent information */ 199 200 acpi_os_printf(" %-12s %p %3.3X ", 201 acpi_ut_get_type_name(type), this_node, 202 this_node->owner_id); 203 204 dbg_level = acpi_dbg_level; 205 acpi_dbg_level = 0; 206 obj_desc = acpi_ns_get_attached_object(this_node); 207 acpi_dbg_level = dbg_level; 208 209 /* Temp nodes are those nodes created by a control method */ 210 211 if (this_node->flags & ANOBJ_TEMPORARY) { 212 acpi_os_printf("(T) "); 213 } 214 215 switch (info->display_type & ACPI_DISPLAY_MASK) { 216 case ACPI_DISPLAY_SUMMARY: 217 218 if (!obj_desc) { 219 220 /* No attached object. Some types should always have an object */ 221 222 switch (type) { 223 case ACPI_TYPE_INTEGER: 224 case ACPI_TYPE_PACKAGE: 225 case ACPI_TYPE_BUFFER: 226 case ACPI_TYPE_STRING: 227 case ACPI_TYPE_METHOD: 228 229 acpi_os_printf("<No attached object>"); 230 break; 231 232 default: 233 234 break; 235 } 236 237 acpi_os_printf("\n"); 238 return (AE_OK); 239 } 240 241 switch (type) { 242 case ACPI_TYPE_PROCESSOR: 243 244 acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n", 245 obj_desc->processor.proc_id, 246 obj_desc->processor.length, 247 ACPI_FORMAT_UINT64(obj_desc->processor. 248 address)); 249 break; 250 251 case ACPI_TYPE_DEVICE: 252 253 acpi_os_printf("Notify Object: %p\n", obj_desc); 254 break; 255 256 case ACPI_TYPE_METHOD: 257 258 acpi_os_printf("Args %X Len %.4X Aml %p\n", 259 (u32) obj_desc->method.param_count, 260 obj_desc->method.aml_length, 261 obj_desc->method.aml_start); 262 break; 263 264 case ACPI_TYPE_INTEGER: 265 266 acpi_os_printf("= %8.8X%8.8X\n", 267 ACPI_FORMAT_UINT64(obj_desc->integer. 268 value)); 269 break; 270 271 case ACPI_TYPE_PACKAGE: 272 273 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 274 acpi_os_printf("Elements %.2X\n", 275 obj_desc->package.count); 276 } else { 277 acpi_os_printf("[Length not yet evaluated]\n"); 278 } 279 break; 280 281 case ACPI_TYPE_BUFFER: 282 283 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 284 acpi_os_printf("Len %.2X", 285 obj_desc->buffer.length); 286 287 /* Dump some of the buffer */ 288 289 if (obj_desc->buffer.length > 0) { 290 acpi_os_printf(" ="); 291 for (i = 0; 292 (i < obj_desc->buffer.length 293 && i < 12); i++) { 294 acpi_os_printf(" %2.2X", 295 obj_desc->buffer. 296 pointer[i]); 297 } 298 } 299 acpi_os_printf("\n"); 300 } else { 301 acpi_os_printf("[Length not yet evaluated]\n"); 302 } 303 break; 304 305 case ACPI_TYPE_STRING: 306 307 acpi_os_printf("Len %.2X ", obj_desc->string.length); 308 acpi_ut_print_string(obj_desc->string.pointer, 80); 309 acpi_os_printf("\n"); 310 break; 311 312 case ACPI_TYPE_REGION: 313 314 acpi_os_printf("[%s]", 315 acpi_ut_get_region_name(obj_desc->region. 316 space_id)); 317 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { 318 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n", 319 ACPI_FORMAT_UINT64(obj_desc-> 320 region. 321 address), 322 obj_desc->region.length); 323 } else { 324 acpi_os_printf 325 (" [Address/Length not yet evaluated]\n"); 326 } 327 break; 328 329 case ACPI_TYPE_LOCAL_REFERENCE: 330 331 acpi_os_printf("[%s]\n", 332 acpi_ut_get_reference_name(obj_desc)); 333 break; 334 335 case ACPI_TYPE_BUFFER_FIELD: 336 337 if (obj_desc->buffer_field.buffer_obj && 338 obj_desc->buffer_field.buffer_obj->buffer.node) { 339 acpi_os_printf("Buf [%4.4s]", 340 acpi_ut_get_node_name(obj_desc-> 341 buffer_field. 342 buffer_obj-> 343 buffer. 344 node)); 345 } 346 break; 347 348 case ACPI_TYPE_LOCAL_REGION_FIELD: 349 350 acpi_os_printf("Rgn [%4.4s]", 351 acpi_ut_get_node_name(obj_desc-> 352 common_field. 353 region_obj->region. 354 node)); 355 break; 356 357 case ACPI_TYPE_LOCAL_BANK_FIELD: 358 359 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]", 360 acpi_ut_get_node_name(obj_desc-> 361 common_field. 362 region_obj->region. 363 node), 364 acpi_ut_get_node_name(obj_desc-> 365 bank_field. 366 bank_obj-> 367 common_field. 368 node)); 369 break; 370 371 case ACPI_TYPE_LOCAL_INDEX_FIELD: 372 373 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]", 374 acpi_ut_get_node_name(obj_desc-> 375 index_field. 376 index_obj-> 377 common_field.node), 378 acpi_ut_get_node_name(obj_desc-> 379 index_field. 380 data_obj-> 381 common_field. 382 node)); 383 break; 384 385 case ACPI_TYPE_LOCAL_ALIAS: 386 case ACPI_TYPE_LOCAL_METHOD_ALIAS: 387 388 acpi_os_printf("Target %4.4s (%p)\n", 389 acpi_ut_get_node_name(obj_desc), 390 obj_desc); 391 break; 392 393 default: 394 395 acpi_os_printf("Object %p\n", obj_desc); 396 break; 397 } 398 399 /* Common field handling */ 400 401 switch (type) { 402 case ACPI_TYPE_BUFFER_FIELD: 403 case ACPI_TYPE_LOCAL_REGION_FIELD: 404 case ACPI_TYPE_LOCAL_BANK_FIELD: 405 case ACPI_TYPE_LOCAL_INDEX_FIELD: 406 407 acpi_os_printf(" Off %.3X Len %.2X Acc %.2X\n", 408 (obj_desc->common_field. 409 base_byte_offset * 8) 410 + 411 obj_desc->common_field. 412 start_field_bit_offset, 413 obj_desc->common_field.bit_length, 414 obj_desc->common_field. 415 access_byte_width); 416 break; 417 418 default: 419 420 break; 421 } 422 break; 423 424 case ACPI_DISPLAY_OBJECTS: 425 426 acpi_os_printf("O:%p", obj_desc); 427 if (!obj_desc) { 428 429 /* No attached object, we are done */ 430 431 acpi_os_printf("\n"); 432 return (AE_OK); 433 } 434 435 acpi_os_printf("(R%u)", obj_desc->common.reference_count); 436 437 switch (type) { 438 case ACPI_TYPE_METHOD: 439 440 /* Name is a Method and its AML offset/length are set */ 441 442 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start, 443 obj_desc->method.aml_length); 444 break; 445 446 case ACPI_TYPE_INTEGER: 447 448 acpi_os_printf(" I:%8.8X8.8%X\n", 449 ACPI_FORMAT_UINT64(obj_desc->integer. 450 value)); 451 break; 452 453 case ACPI_TYPE_STRING: 454 455 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer, 456 obj_desc->string.length); 457 break; 458 459 case ACPI_TYPE_BUFFER: 460 461 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer, 462 obj_desc->buffer.length); 463 break; 464 465 default: 466 467 acpi_os_printf("\n"); 468 break; 469 } 470 break; 471 472 default: 473 acpi_os_printf("\n"); 474 break; 475 } 476 477 /* If debug turned off, done */ 478 479 if (!(acpi_dbg_level & ACPI_LV_VALUES)) { 480 return (AE_OK); 481 } 482 483 /* If there is an attached object, display it */ 484 485 dbg_level = acpi_dbg_level; 486 acpi_dbg_level = 0; 487 obj_desc = acpi_ns_get_attached_object(this_node); 488 acpi_dbg_level = dbg_level; 489 490 /* Dump attached objects */ 491 492 while (obj_desc) { 493 obj_type = ACPI_TYPE_INVALID; 494 acpi_os_printf("Attached Object %p: ", obj_desc); 495 496 /* Decode the type of attached object and dump the contents */ 497 498 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { 499 case ACPI_DESC_TYPE_NAMED: 500 501 acpi_os_printf("(Ptr to Node)\n"); 502 bytes_to_dump = sizeof(struct acpi_namespace_node); 503 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 504 break; 505 506 case ACPI_DESC_TYPE_OPERAND: 507 508 obj_type = obj_desc->common.type; 509 510 if (obj_type > ACPI_TYPE_LOCAL_MAX) { 511 acpi_os_printf 512 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n", 513 obj_type); 514 515 bytes_to_dump = 32; 516 } else { 517 acpi_os_printf 518 ("(Pointer to ACPI Object type %.2X [%s])\n", 519 obj_type, acpi_ut_get_type_name(obj_type)); 520 521 bytes_to_dump = 522 sizeof(union acpi_operand_object); 523 } 524 525 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 526 break; 527 528 default: 529 530 break; 531 } 532 533 /* If value is NOT an internal object, we are done */ 534 535 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != 536 ACPI_DESC_TYPE_OPERAND) { 537 goto cleanup; 538 } 539 540 /* Valid object, get the pointer to next level, if any */ 541 542 switch (obj_type) { 543 case ACPI_TYPE_BUFFER: 544 case ACPI_TYPE_STRING: 545 /* 546 * NOTE: takes advantage of common fields between string/buffer 547 */ 548 bytes_to_dump = obj_desc->string.length; 549 obj_desc = (void *)obj_desc->string.pointer; 550 551 acpi_os_printf("(Buffer/String pointer %p length %X)\n", 552 obj_desc, bytes_to_dump); 553 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 554 goto cleanup; 555 556 case ACPI_TYPE_BUFFER_FIELD: 557 558 obj_desc = 559 (union acpi_operand_object *)obj_desc->buffer_field. 560 buffer_obj; 561 break; 562 563 case ACPI_TYPE_PACKAGE: 564 565 obj_desc = (void *)obj_desc->package.elements; 566 break; 567 568 case ACPI_TYPE_METHOD: 569 570 obj_desc = (void *)obj_desc->method.aml_start; 571 break; 572 573 case ACPI_TYPE_LOCAL_REGION_FIELD: 574 575 obj_desc = (void *)obj_desc->field.region_obj; 576 break; 577 578 case ACPI_TYPE_LOCAL_BANK_FIELD: 579 580 obj_desc = (void *)obj_desc->bank_field.region_obj; 581 break; 582 583 case ACPI_TYPE_LOCAL_INDEX_FIELD: 584 585 obj_desc = (void *)obj_desc->index_field.index_obj; 586 break; 587 588 default: 589 590 goto cleanup; 591 } 592 } 593 594 cleanup: 595 acpi_os_printf("\n"); 596 return (AE_OK); 597 } 598 599 /******************************************************************************* 600 * 601 * FUNCTION: acpi_ns_dump_objects 602 * 603 * PARAMETERS: type - Object type to be dumped 604 * display_type - 0 or ACPI_DISPLAY_SUMMARY 605 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX 606 * for an effectively unlimited depth. 607 * owner_id - Dump only objects owned by this ID. Use 608 * ACPI_UINT32_MAX to match all owners. 609 * start_handle - Where in namespace to start/end search 610 * 611 * RETURN: None 612 * 613 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses 614 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object. 615 * 616 ******************************************************************************/ 617 618 void 619 acpi_ns_dump_objects(acpi_object_type type, 620 u8 display_type, 621 u32 max_depth, 622 acpi_owner_id owner_id, acpi_handle start_handle) 623 { 624 struct acpi_walk_info info; 625 acpi_status status; 626 627 ACPI_FUNCTION_ENTRY(); 628 629 /* 630 * Just lock the entire namespace for the duration of the dump. 631 * We don't want any changes to the namespace during this time, 632 * especially the temporary nodes since we are going to display 633 * them also. 634 */ 635 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 636 if (ACPI_FAILURE(status)) { 637 acpi_os_printf("Could not acquire namespace mutex\n"); 638 return; 639 } 640 641 info.count = 0; 642 info.debug_level = ACPI_LV_TABLES; 643 info.owner_id = owner_id; 644 info.display_type = display_type; 645 646 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 647 ACPI_NS_WALK_NO_UNLOCK | 648 ACPI_NS_WALK_TEMP_NODES, 649 acpi_ns_dump_one_object, NULL, 650 (void *)&info, NULL); 651 652 acpi_os_printf("\nNamespace node count: %u\n\n", info.count); 653 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 654 } 655 656 /******************************************************************************* 657 * 658 * FUNCTION: acpi_ns_dump_one_object_path, acpi_ns_get_max_depth 659 * 660 * PARAMETERS: obj_handle - Node to be dumped 661 * level - Nesting level of the handle 662 * context - Passed into walk_namespace 663 * return_value - Not used 664 * 665 * RETURN: Status 666 * 667 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth 668 * computes the maximum nesting depth in the namespace tree, in 669 * order to simplify formatting in acpi_ns_dump_one_object_path. 670 * These procedures are user_functions called by acpi_ns_walk_namespace. 671 * 672 ******************************************************************************/ 673 674 static acpi_status 675 acpi_ns_dump_one_object_path(acpi_handle obj_handle, 676 u32 level, void *context, void **return_value) 677 { 678 u32 max_level = *((u32 *)context); 679 char *pathname; 680 struct acpi_namespace_node *node; 681 int path_indent; 682 683 if (!obj_handle) { 684 return (AE_OK); 685 } 686 687 node = acpi_ns_validate_handle(obj_handle); 688 if (!node) { 689 690 /* Ignore bad node during namespace walk */ 691 692 return (AE_OK); 693 } 694 695 pathname = acpi_ns_get_normalized_pathname(node, TRUE); 696 697 path_indent = 1; 698 if (level <= max_level) { 699 path_indent = max_level - level + 1; 700 } 701 702 acpi_os_printf("%2d%*s%-12s%*s", 703 level, level, " ", acpi_ut_get_type_name(node->type), 704 path_indent, " "); 705 706 acpi_os_printf("%s\n", &pathname[1]); 707 ACPI_FREE(pathname); 708 return (AE_OK); 709 } 710 711 static acpi_status 712 acpi_ns_get_max_depth(acpi_handle obj_handle, 713 u32 level, void *context, void **return_value) 714 { 715 u32 *max_level = (u32 *)context; 716 717 if (level > *max_level) { 718 *max_level = level; 719 } 720 return (AE_OK); 721 } 722 723 /******************************************************************************* 724 * 725 * FUNCTION: acpi_ns_dump_object_paths 726 * 727 * PARAMETERS: type - Object type to be dumped 728 * display_type - 0 or ACPI_DISPLAY_SUMMARY 729 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX 730 * for an effectively unlimited depth. 731 * owner_id - Dump only objects owned by this ID. Use 732 * ACPI_UINT32_MAX to match all owners. 733 * start_handle - Where in namespace to start/end search 734 * 735 * RETURN: None 736 * 737 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses 738 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path. 739 * 740 ******************************************************************************/ 741 742 void 743 acpi_ns_dump_object_paths(acpi_object_type type, 744 u8 display_type, 745 u32 max_depth, 746 acpi_owner_id owner_id, acpi_handle start_handle) 747 { 748 acpi_status status; 749 u32 max_level = 0; 750 751 ACPI_FUNCTION_ENTRY(); 752 753 /* 754 * Just lock the entire namespace for the duration of the dump. 755 * We don't want any changes to the namespace during this time, 756 * especially the temporary nodes since we are going to display 757 * them also. 758 */ 759 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 760 if (ACPI_FAILURE(status)) { 761 acpi_os_printf("Could not acquire namespace mutex\n"); 762 return; 763 } 764 765 /* Get the max depth of the namespace tree, for formatting later */ 766 767 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 768 ACPI_NS_WALK_NO_UNLOCK | 769 ACPI_NS_WALK_TEMP_NODES, 770 acpi_ns_get_max_depth, NULL, 771 (void *)&max_level, NULL); 772 773 /* Now dump the entire namespace */ 774 775 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 776 ACPI_NS_WALK_NO_UNLOCK | 777 ACPI_NS_WALK_TEMP_NODES, 778 acpi_ns_dump_one_object_path, NULL, 779 (void *)&max_level, NULL); 780 781 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 782 } 783 784 /******************************************************************************* 785 * 786 * FUNCTION: acpi_ns_dump_entry 787 * 788 * PARAMETERS: handle - Node to be dumped 789 * debug_level - Output level 790 * 791 * RETURN: None 792 * 793 * DESCRIPTION: Dump a single Node 794 * 795 ******************************************************************************/ 796 797 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level) 798 { 799 struct acpi_walk_info info; 800 801 ACPI_FUNCTION_ENTRY(); 802 803 info.debug_level = debug_level; 804 info.owner_id = ACPI_OWNER_ID_MAX; 805 info.display_type = ACPI_DISPLAY_SUMMARY; 806 807 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL); 808 } 809 810 #ifdef ACPI_ASL_COMPILER 811 /******************************************************************************* 812 * 813 * FUNCTION: acpi_ns_dump_tables 814 * 815 * PARAMETERS: search_base - Root of subtree to be dumped, or 816 * NS_ALL to dump the entire namespace 817 * max_depth - Maximum depth of dump. Use INT_MAX 818 * for an effectively unlimited depth. 819 * 820 * RETURN: None 821 * 822 * DESCRIPTION: Dump the name space, or a portion of it. 823 * 824 ******************************************************************************/ 825 826 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth) 827 { 828 acpi_handle search_handle = search_base; 829 830 ACPI_FUNCTION_TRACE(ns_dump_tables); 831 832 if (!acpi_gbl_root_node) { 833 /* 834 * If the name space has not been initialized, 835 * there is nothing to dump. 836 */ 837 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, 838 "namespace not initialized!\n")); 839 return_VOID; 840 } 841 842 if (ACPI_NS_ALL == search_base) { 843 844 /* Entire namespace */ 845 846 search_handle = acpi_gbl_root_node; 847 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n")); 848 } 849 850 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth, 851 ACPI_OWNER_ID_MAX, search_handle); 852 return_VOID; 853 } 854 #endif 855 #endif 856