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 - 2018, 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_NAME_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; 173 174 /* Check if the owner matches */ 175 176 if ((info->owner_id != ACPI_OWNER_ID_MAX) && 177 (info->owner_id != this_node->owner_id)) { 178 return (AE_OK); 179 } 180 181 if (!(info->display_type & ACPI_DISPLAY_SHORT)) { 182 183 /* Indent the object according to the level */ 184 185 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " "); 186 187 /* Check the node type and name */ 188 189 if (type > ACPI_TYPE_LOCAL_MAX) { 190 ACPI_WARNING((AE_INFO, 191 "Invalid ACPI Object Type 0x%08X", type)); 192 } 193 194 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node)); 195 } 196 197 /* Now we can print out the pertinent information */ 198 199 acpi_os_printf(" %-12s %p %2.2X ", 200 acpi_ut_get_type_name(type), this_node, 201 this_node->owner_id); 202 203 dbg_level = acpi_dbg_level; 204 acpi_dbg_level = 0; 205 obj_desc = acpi_ns_get_attached_object(this_node); 206 acpi_dbg_level = dbg_level; 207 208 /* Temp nodes are those nodes created by a control method */ 209 210 if (this_node->flags & ANOBJ_TEMPORARY) { 211 acpi_os_printf("(T) "); 212 } 213 214 switch (info->display_type & ACPI_DISPLAY_MASK) { 215 case ACPI_DISPLAY_SUMMARY: 216 217 if (!obj_desc) { 218 219 /* No attached object. Some types should always have an object */ 220 221 switch (type) { 222 case ACPI_TYPE_INTEGER: 223 case ACPI_TYPE_PACKAGE: 224 case ACPI_TYPE_BUFFER: 225 case ACPI_TYPE_STRING: 226 case ACPI_TYPE_METHOD: 227 228 acpi_os_printf("<No attached object>"); 229 break; 230 231 default: 232 233 break; 234 } 235 236 acpi_os_printf("\n"); 237 return (AE_OK); 238 } 239 240 switch (type) { 241 case ACPI_TYPE_PROCESSOR: 242 243 acpi_os_printf("ID %02X Len %02X Addr %8.8X%8.8X\n", 244 obj_desc->processor.proc_id, 245 obj_desc->processor.length, 246 ACPI_FORMAT_UINT64(obj_desc->processor. 247 address)); 248 break; 249 250 case ACPI_TYPE_DEVICE: 251 252 acpi_os_printf("Notify Object: %p\n", obj_desc); 253 break; 254 255 case ACPI_TYPE_METHOD: 256 257 acpi_os_printf("Args %X Len %.4X Aml %p\n", 258 (u32) obj_desc->method.param_count, 259 obj_desc->method.aml_length, 260 obj_desc->method.aml_start); 261 break; 262 263 case ACPI_TYPE_INTEGER: 264 265 acpi_os_printf("= %8.8X%8.8X\n", 266 ACPI_FORMAT_UINT64(obj_desc->integer. 267 value)); 268 break; 269 270 case ACPI_TYPE_PACKAGE: 271 272 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 273 acpi_os_printf("Elements %.2X\n", 274 obj_desc->package.count); 275 } else { 276 acpi_os_printf("[Length not yet evaluated]\n"); 277 } 278 break; 279 280 case ACPI_TYPE_BUFFER: 281 282 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 283 acpi_os_printf("Len %.2X", 284 obj_desc->buffer.length); 285 286 /* Dump some of the buffer */ 287 288 if (obj_desc->buffer.length > 0) { 289 acpi_os_printf(" ="); 290 for (i = 0; 291 (i < obj_desc->buffer.length 292 && i < 12); i++) { 293 acpi_os_printf(" %.2hX", 294 obj_desc->buffer. 295 pointer[i]); 296 } 297 } 298 acpi_os_printf("\n"); 299 } else { 300 acpi_os_printf("[Length not yet evaluated]\n"); 301 } 302 break; 303 304 case ACPI_TYPE_STRING: 305 306 acpi_os_printf("Len %.2X ", obj_desc->string.length); 307 acpi_ut_print_string(obj_desc->string.pointer, 80); 308 acpi_os_printf("\n"); 309 break; 310 311 case ACPI_TYPE_REGION: 312 313 acpi_os_printf("[%s]", 314 acpi_ut_get_region_name(obj_desc->region. 315 space_id)); 316 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { 317 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n", 318 ACPI_FORMAT_UINT64(obj_desc-> 319 region. 320 address), 321 obj_desc->region.length); 322 } else { 323 acpi_os_printf 324 (" [Address/Length not yet evaluated]\n"); 325 } 326 break; 327 328 case ACPI_TYPE_LOCAL_REFERENCE: 329 330 acpi_os_printf("[%s]\n", 331 acpi_ut_get_reference_name(obj_desc)); 332 break; 333 334 case ACPI_TYPE_BUFFER_FIELD: 335 336 if (obj_desc->buffer_field.buffer_obj && 337 obj_desc->buffer_field.buffer_obj->buffer.node) { 338 acpi_os_printf("Buf [%4.4s]", 339 acpi_ut_get_node_name(obj_desc-> 340 buffer_field. 341 buffer_obj-> 342 buffer. 343 node)); 344 } 345 break; 346 347 case ACPI_TYPE_LOCAL_REGION_FIELD: 348 349 acpi_os_printf("Rgn [%4.4s]", 350 acpi_ut_get_node_name(obj_desc-> 351 common_field. 352 region_obj->region. 353 node)); 354 break; 355 356 case ACPI_TYPE_LOCAL_BANK_FIELD: 357 358 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]", 359 acpi_ut_get_node_name(obj_desc-> 360 common_field. 361 region_obj->region. 362 node), 363 acpi_ut_get_node_name(obj_desc-> 364 bank_field. 365 bank_obj-> 366 common_field. 367 node)); 368 break; 369 370 case ACPI_TYPE_LOCAL_INDEX_FIELD: 371 372 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]", 373 acpi_ut_get_node_name(obj_desc-> 374 index_field. 375 index_obj-> 376 common_field.node), 377 acpi_ut_get_node_name(obj_desc-> 378 index_field. 379 data_obj-> 380 common_field. 381 node)); 382 break; 383 384 case ACPI_TYPE_LOCAL_ALIAS: 385 case ACPI_TYPE_LOCAL_METHOD_ALIAS: 386 387 acpi_os_printf("Target %4.4s (%p)\n", 388 acpi_ut_get_node_name(obj_desc), 389 obj_desc); 390 break; 391 392 default: 393 394 acpi_os_printf("Object %p\n", obj_desc); 395 break; 396 } 397 398 /* Common field handling */ 399 400 switch (type) { 401 case ACPI_TYPE_BUFFER_FIELD: 402 case ACPI_TYPE_LOCAL_REGION_FIELD: 403 case ACPI_TYPE_LOCAL_BANK_FIELD: 404 case ACPI_TYPE_LOCAL_INDEX_FIELD: 405 406 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n", 407 (obj_desc->common_field. 408 base_byte_offset * 8) 409 + 410 obj_desc->common_field. 411 start_field_bit_offset, 412 obj_desc->common_field.bit_length, 413 obj_desc->common_field. 414 access_byte_width); 415 break; 416 417 default: 418 419 break; 420 } 421 break; 422 423 case ACPI_DISPLAY_OBJECTS: 424 425 acpi_os_printf("O:%p", obj_desc); 426 if (!obj_desc) { 427 428 /* No attached object, we are done */ 429 430 acpi_os_printf("\n"); 431 return (AE_OK); 432 } 433 434 acpi_os_printf("(R%u)", obj_desc->common.reference_count); 435 436 switch (type) { 437 case ACPI_TYPE_METHOD: 438 439 /* Name is a Method and its AML offset/length are set */ 440 441 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start, 442 obj_desc->method.aml_length); 443 break; 444 445 case ACPI_TYPE_INTEGER: 446 447 acpi_os_printf(" I:%8.8X8.8%X\n", 448 ACPI_FORMAT_UINT64(obj_desc->integer. 449 value)); 450 break; 451 452 case ACPI_TYPE_STRING: 453 454 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer, 455 obj_desc->string.length); 456 break; 457 458 case ACPI_TYPE_BUFFER: 459 460 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer, 461 obj_desc->buffer.length); 462 break; 463 464 default: 465 466 acpi_os_printf("\n"); 467 break; 468 } 469 break; 470 471 default: 472 acpi_os_printf("\n"); 473 break; 474 } 475 476 /* If debug turned off, done */ 477 478 if (!(acpi_dbg_level & ACPI_LV_VALUES)) { 479 return (AE_OK); 480 } 481 482 /* If there is an attached object, display it */ 483 484 dbg_level = acpi_dbg_level; 485 acpi_dbg_level = 0; 486 obj_desc = acpi_ns_get_attached_object(this_node); 487 acpi_dbg_level = dbg_level; 488 489 /* Dump attached objects */ 490 491 while (obj_desc) { 492 obj_type = ACPI_TYPE_INVALID; 493 acpi_os_printf("Attached Object %p: ", obj_desc); 494 495 /* Decode the type of attached object and dump the contents */ 496 497 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { 498 case ACPI_DESC_TYPE_NAMED: 499 500 acpi_os_printf("(Ptr to Node)\n"); 501 bytes_to_dump = sizeof(struct acpi_namespace_node); 502 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 503 break; 504 505 case ACPI_DESC_TYPE_OPERAND: 506 507 obj_type = obj_desc->common.type; 508 509 if (obj_type > ACPI_TYPE_LOCAL_MAX) { 510 acpi_os_printf 511 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n", 512 obj_type); 513 514 bytes_to_dump = 32; 515 } else { 516 acpi_os_printf 517 ("(Pointer to ACPI Object type %.2X [%s])\n", 518 obj_type, acpi_ut_get_type_name(obj_type)); 519 520 bytes_to_dump = 521 sizeof(union acpi_operand_object); 522 } 523 524 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 525 break; 526 527 default: 528 529 break; 530 } 531 532 /* If value is NOT an internal object, we are done */ 533 534 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != 535 ACPI_DESC_TYPE_OPERAND) { 536 goto cleanup; 537 } 538 539 /* Valid object, get the pointer to next level, if any */ 540 541 switch (obj_type) { 542 case ACPI_TYPE_BUFFER: 543 case ACPI_TYPE_STRING: 544 /* 545 * NOTE: takes advantage of common fields between string/buffer 546 */ 547 bytes_to_dump = obj_desc->string.length; 548 obj_desc = (void *)obj_desc->string.pointer; 549 550 acpi_os_printf("(Buffer/String pointer %p length %X)\n", 551 obj_desc, bytes_to_dump); 552 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 553 goto cleanup; 554 555 case ACPI_TYPE_BUFFER_FIELD: 556 557 obj_desc = 558 (union acpi_operand_object *)obj_desc->buffer_field. 559 buffer_obj; 560 break; 561 562 case ACPI_TYPE_PACKAGE: 563 564 obj_desc = (void *)obj_desc->package.elements; 565 break; 566 567 case ACPI_TYPE_METHOD: 568 569 obj_desc = (void *)obj_desc->method.aml_start; 570 break; 571 572 case ACPI_TYPE_LOCAL_REGION_FIELD: 573 574 obj_desc = (void *)obj_desc->field.region_obj; 575 break; 576 577 case ACPI_TYPE_LOCAL_BANK_FIELD: 578 579 obj_desc = (void *)obj_desc->bank_field.region_obj; 580 break; 581 582 case ACPI_TYPE_LOCAL_INDEX_FIELD: 583 584 obj_desc = (void *)obj_desc->index_field.index_obj; 585 break; 586 587 default: 588 589 goto cleanup; 590 } 591 592 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */ 593 } 594 595 cleanup: 596 acpi_os_printf("\n"); 597 return (AE_OK); 598 } 599 600 /******************************************************************************* 601 * 602 * FUNCTION: acpi_ns_dump_objects 603 * 604 * PARAMETERS: type - Object type to be dumped 605 * display_type - 0 or ACPI_DISPLAY_SUMMARY 606 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX 607 * for an effectively unlimited depth. 608 * owner_id - Dump only objects owned by this ID. Use 609 * ACPI_UINT32_MAX to match all owners. 610 * start_handle - Where in namespace to start/end search 611 * 612 * RETURN: None 613 * 614 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses 615 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object. 616 * 617 ******************************************************************************/ 618 619 void 620 acpi_ns_dump_objects(acpi_object_type type, 621 u8 display_type, 622 u32 max_depth, 623 acpi_owner_id owner_id, acpi_handle start_handle) 624 { 625 struct acpi_walk_info info; 626 acpi_status status; 627 628 ACPI_FUNCTION_ENTRY(); 629 630 /* 631 * Just lock the entire namespace for the duration of the dump. 632 * We don't want any changes to the namespace during this time, 633 * especially the temporary nodes since we are going to display 634 * them also. 635 */ 636 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 637 if (ACPI_FAILURE(status)) { 638 acpi_os_printf("Could not acquire namespace mutex\n"); 639 return; 640 } 641 642 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 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 653 } 654 655 /******************************************************************************* 656 * 657 * FUNCTION: acpi_ns_dump_one_object_path, acpi_ns_get_max_depth 658 * 659 * PARAMETERS: obj_handle - Node to be dumped 660 * level - Nesting level of the handle 661 * context - Passed into walk_namespace 662 * return_value - Not used 663 * 664 * RETURN: Status 665 * 666 * DESCRIPTION: Dump the full pathname to a namespace object. acp_ns_get_max_depth 667 * computes the maximum nesting depth in the namespace tree, in 668 * order to simplify formatting in acpi_ns_dump_one_object_path. 669 * These procedures are user_functions called by acpi_ns_walk_namespace. 670 * 671 ******************************************************************************/ 672 673 static acpi_status 674 acpi_ns_dump_one_object_path(acpi_handle obj_handle, 675 u32 level, void *context, void **return_value) 676 { 677 u32 max_level = *((u32 *)context); 678 char *pathname; 679 struct acpi_namespace_node *node; 680 int path_indent; 681 682 if (!obj_handle) { 683 return (AE_OK); 684 } 685 686 node = acpi_ns_validate_handle(obj_handle); 687 if (!node) { 688 689 /* Ignore bad node during namespace walk */ 690 691 return (AE_OK); 692 } 693 694 pathname = acpi_ns_get_normalized_pathname(node, TRUE); 695 696 path_indent = 1; 697 if (level <= max_level) { 698 path_indent = max_level - level + 1; 699 } 700 701 acpi_os_printf("%2d%*s%-12s%*s", 702 level, level, " ", acpi_ut_get_type_name(node->type), 703 path_indent, " "); 704 705 acpi_os_printf("%s\n", &pathname[1]); 706 ACPI_FREE(pathname); 707 return (AE_OK); 708 } 709 710 static acpi_status 711 acpi_ns_get_max_depth(acpi_handle obj_handle, 712 u32 level, void *context, void **return_value) 713 { 714 u32 *max_level = (u32 *)context; 715 716 if (level > *max_level) { 717 *max_level = level; 718 } 719 return (AE_OK); 720 } 721 722 /******************************************************************************* 723 * 724 * FUNCTION: acpi_ns_dump_object_paths 725 * 726 * PARAMETERS: type - Object type to be dumped 727 * display_type - 0 or ACPI_DISPLAY_SUMMARY 728 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX 729 * for an effectively unlimited depth. 730 * owner_id - Dump only objects owned by this ID. Use 731 * ACPI_UINT32_MAX to match all owners. 732 * start_handle - Where in namespace to start/end search 733 * 734 * RETURN: None 735 * 736 * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses 737 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object_path. 738 * 739 ******************************************************************************/ 740 741 void 742 acpi_ns_dump_object_paths(acpi_object_type type, 743 u8 display_type, 744 u32 max_depth, 745 acpi_owner_id owner_id, acpi_handle start_handle) 746 { 747 acpi_status status; 748 u32 max_level = 0; 749 750 ACPI_FUNCTION_ENTRY(); 751 752 /* 753 * Just lock the entire namespace for the duration of the dump. 754 * We don't want any changes to the namespace during this time, 755 * especially the temporary nodes since we are going to display 756 * them also. 757 */ 758 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 759 if (ACPI_FAILURE(status)) { 760 acpi_os_printf("Could not acquire namespace mutex\n"); 761 return; 762 } 763 764 /* Get the max depth of the namespace tree, for formatting later */ 765 766 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 767 ACPI_NS_WALK_NO_UNLOCK | 768 ACPI_NS_WALK_TEMP_NODES, 769 acpi_ns_get_max_depth, NULL, 770 (void *)&max_level, NULL); 771 772 /* Now dump the entire namespace */ 773 774 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 775 ACPI_NS_WALK_NO_UNLOCK | 776 ACPI_NS_WALK_TEMP_NODES, 777 acpi_ns_dump_one_object_path, NULL, 778 (void *)&max_level, NULL); 779 780 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 781 } 782 783 /******************************************************************************* 784 * 785 * FUNCTION: acpi_ns_dump_entry 786 * 787 * PARAMETERS: handle - Node to be dumped 788 * debug_level - Output level 789 * 790 * RETURN: None 791 * 792 * DESCRIPTION: Dump a single Node 793 * 794 ******************************************************************************/ 795 796 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level) 797 { 798 struct acpi_walk_info info; 799 800 ACPI_FUNCTION_ENTRY(); 801 802 info.debug_level = debug_level; 803 info.owner_id = ACPI_OWNER_ID_MAX; 804 info.display_type = ACPI_DISPLAY_SUMMARY; 805 806 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL); 807 } 808 809 #ifdef ACPI_ASL_COMPILER 810 /******************************************************************************* 811 * 812 * FUNCTION: acpi_ns_dump_tables 813 * 814 * PARAMETERS: search_base - Root of subtree to be dumped, or 815 * NS_ALL to dump the entire namespace 816 * max_depth - Maximum depth of dump. Use INT_MAX 817 * for an effectively unlimited depth. 818 * 819 * RETURN: None 820 * 821 * DESCRIPTION: Dump the name space, or a portion of it. 822 * 823 ******************************************************************************/ 824 825 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth) 826 { 827 acpi_handle search_handle = search_base; 828 829 ACPI_FUNCTION_TRACE(ns_dump_tables); 830 831 if (!acpi_gbl_root_node) { 832 /* 833 * If the name space has not been initialized, 834 * there is nothing to dump. 835 */ 836 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, 837 "namespace not initialized!\n")); 838 return_VOID; 839 } 840 841 if (ACPI_NS_ALL == search_base) { 842 843 /* Entire namespace */ 844 845 search_handle = acpi_gbl_root_node; 846 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n")); 847 } 848 849 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth, 850 ACPI_OWNER_ID_MAX, search_handle); 851 return_VOID; 852 } 853 #endif 854 #endif 855