1 /****************************************************************************** 2 * 3 * Module Name: nsdump - table dumping routines for debug 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2010, 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 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 u32 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_validate_handle(obj_handle); 184 if (!this_node) { 185 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n", 186 obj_handle)); 187 return (AE_OK); 188 } 189 190 type = this_node->type; 191 192 /* Check if the owner matches */ 193 194 if ((info->owner_id != ACPI_OWNER_ID_MAX) && 195 (info->owner_id != this_node->owner_id)) { 196 return (AE_OK); 197 } 198 199 if (!(info->display_type & ACPI_DISPLAY_SHORT)) { 200 201 /* Indent the object according to the level */ 202 203 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " "); 204 205 /* Check the node type and name */ 206 207 if (type > ACPI_TYPE_LOCAL_MAX) { 208 ACPI_WARNING((AE_INFO, 209 "Invalid ACPI Object Type 0x%08X", type)); 210 } 211 212 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) { 213 this_node->name.integer = 214 acpi_ut_repair_name(this_node->name.ascii); 215 216 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", 217 this_node->name.integer)); 218 } 219 220 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node)); 221 } 222 223 /* Now we can print out the pertinent information */ 224 225 acpi_os_printf(" %-12s %p %2.2X ", 226 acpi_ut_get_type_name(type), this_node, 227 this_node->owner_id); 228 229 dbg_level = acpi_dbg_level; 230 acpi_dbg_level = 0; 231 obj_desc = acpi_ns_get_attached_object(this_node); 232 acpi_dbg_level = dbg_level; 233 234 /* Temp nodes are those nodes created by a control method */ 235 236 if (this_node->flags & ANOBJ_TEMPORARY) { 237 acpi_os_printf("(T) "); 238 } 239 240 switch (info->display_type & ACPI_DISPLAY_MASK) { 241 case ACPI_DISPLAY_SUMMARY: 242 243 if (!obj_desc) { 244 245 /* No attached object, we are done */ 246 247 acpi_os_printf("\n"); 248 return (AE_OK); 249 } 250 251 switch (type) { 252 case ACPI_TYPE_PROCESSOR: 253 254 acpi_os_printf("ID %X Len %.4X Addr %p\n", 255 obj_desc->processor.proc_id, 256 obj_desc->processor.length, 257 ACPI_CAST_PTR(void, 258 obj_desc->processor. 259 address)); 260 break; 261 262 case ACPI_TYPE_DEVICE: 263 264 acpi_os_printf("Notify Object: %p\n", obj_desc); 265 break; 266 267 case ACPI_TYPE_METHOD: 268 269 acpi_os_printf("Args %X Len %.4X Aml %p\n", 270 (u32) obj_desc->method.param_count, 271 obj_desc->method.aml_length, 272 obj_desc->method.aml_start); 273 break; 274 275 case ACPI_TYPE_INTEGER: 276 277 acpi_os_printf("= %8.8X%8.8X\n", 278 ACPI_FORMAT_UINT64(obj_desc->integer. 279 value)); 280 break; 281 282 case ACPI_TYPE_PACKAGE: 283 284 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 285 acpi_os_printf("Elements %.2X\n", 286 obj_desc->package.count); 287 } else { 288 acpi_os_printf("[Length not yet evaluated]\n"); 289 } 290 break; 291 292 case ACPI_TYPE_BUFFER: 293 294 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 295 acpi_os_printf("Len %.2X", 296 obj_desc->buffer.length); 297 298 /* Dump some of the buffer */ 299 300 if (obj_desc->buffer.length > 0) { 301 acpi_os_printf(" ="); 302 for (i = 0; 303 (i < obj_desc->buffer.length 304 && i < 12); i++) { 305 acpi_os_printf(" %.2hX", 306 obj_desc->buffer. 307 pointer[i]); 308 } 309 } 310 acpi_os_printf("\n"); 311 } else { 312 acpi_os_printf("[Length not yet evaluated]\n"); 313 } 314 break; 315 316 case ACPI_TYPE_STRING: 317 318 acpi_os_printf("Len %.2X ", obj_desc->string.length); 319 acpi_ut_print_string(obj_desc->string.pointer, 32); 320 acpi_os_printf("\n"); 321 break; 322 323 case ACPI_TYPE_REGION: 324 325 acpi_os_printf("[%s]", 326 acpi_ut_get_region_name(obj_desc->region. 327 space_id)); 328 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { 329 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n", 330 ACPI_FORMAT_NATIVE_UINT 331 (obj_desc->region.address), 332 obj_desc->region.length); 333 } else { 334 acpi_os_printf 335 (" [Address/Length not yet evaluated]\n"); 336 } 337 break; 338 339 case ACPI_TYPE_LOCAL_REFERENCE: 340 341 acpi_os_printf("[%s]\n", 342 acpi_ut_get_reference_name(obj_desc)); 343 break; 344 345 case ACPI_TYPE_BUFFER_FIELD: 346 347 if (obj_desc->buffer_field.buffer_obj && 348 obj_desc->buffer_field.buffer_obj->buffer.node) { 349 acpi_os_printf("Buf [%4.4s]", 350 acpi_ut_get_node_name(obj_desc-> 351 buffer_field. 352 buffer_obj-> 353 buffer. 354 node)); 355 } 356 break; 357 358 case ACPI_TYPE_LOCAL_REGION_FIELD: 359 360 acpi_os_printf("Rgn [%4.4s]", 361 acpi_ut_get_node_name(obj_desc-> 362 common_field. 363 region_obj->region. 364 node)); 365 break; 366 367 case ACPI_TYPE_LOCAL_BANK_FIELD: 368 369 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]", 370 acpi_ut_get_node_name(obj_desc-> 371 common_field. 372 region_obj->region. 373 node), 374 acpi_ut_get_node_name(obj_desc-> 375 bank_field. 376 bank_obj-> 377 common_field. 378 node)); 379 break; 380 381 case ACPI_TYPE_LOCAL_INDEX_FIELD: 382 383 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]", 384 acpi_ut_get_node_name(obj_desc-> 385 index_field. 386 index_obj-> 387 common_field.node), 388 acpi_ut_get_node_name(obj_desc-> 389 index_field. 390 data_obj-> 391 common_field. 392 node)); 393 break; 394 395 case ACPI_TYPE_LOCAL_ALIAS: 396 case ACPI_TYPE_LOCAL_METHOD_ALIAS: 397 398 acpi_os_printf("Target %4.4s (%p)\n", 399 acpi_ut_get_node_name(obj_desc), 400 obj_desc); 401 break; 402 403 default: 404 405 acpi_os_printf("Object %p\n", obj_desc); 406 break; 407 } 408 409 /* Common field handling */ 410 411 switch (type) { 412 case ACPI_TYPE_BUFFER_FIELD: 413 case ACPI_TYPE_LOCAL_REGION_FIELD: 414 case ACPI_TYPE_LOCAL_BANK_FIELD: 415 case ACPI_TYPE_LOCAL_INDEX_FIELD: 416 417 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n", 418 (obj_desc->common_field. 419 base_byte_offset * 8) 420 + 421 obj_desc->common_field. 422 start_field_bit_offset, 423 obj_desc->common_field.bit_length, 424 obj_desc->common_field. 425 access_byte_width); 426 break; 427 428 default: 429 break; 430 } 431 break; 432 433 case ACPI_DISPLAY_OBJECTS: 434 435 acpi_os_printf("O:%p", obj_desc); 436 if (!obj_desc) { 437 438 /* No attached object, we are done */ 439 440 acpi_os_printf("\n"); 441 return (AE_OK); 442 } 443 444 acpi_os_printf("(R%d)", obj_desc->common.reference_count); 445 446 switch (type) { 447 case ACPI_TYPE_METHOD: 448 449 /* Name is a Method and its AML offset/length are set */ 450 451 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start, 452 obj_desc->method.aml_length); 453 break; 454 455 case ACPI_TYPE_INTEGER: 456 457 acpi_os_printf(" I:%8.8X8.8%X\n", 458 ACPI_FORMAT_UINT64(obj_desc->integer. 459 value)); 460 break; 461 462 case ACPI_TYPE_STRING: 463 464 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer, 465 obj_desc->string.length); 466 break; 467 468 case ACPI_TYPE_BUFFER: 469 470 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer, 471 obj_desc->buffer.length); 472 break; 473 474 default: 475 476 acpi_os_printf("\n"); 477 break; 478 } 479 break; 480 481 default: 482 acpi_os_printf("\n"); 483 break; 484 } 485 486 /* If debug turned off, done */ 487 488 if (!(acpi_dbg_level & ACPI_LV_VALUES)) { 489 return (AE_OK); 490 } 491 492 /* If there is an attached object, display it */ 493 494 dbg_level = acpi_dbg_level; 495 acpi_dbg_level = 0; 496 obj_desc = acpi_ns_get_attached_object(this_node); 497 acpi_dbg_level = dbg_level; 498 499 /* Dump attached objects */ 500 501 while (obj_desc) { 502 obj_type = ACPI_TYPE_INVALID; 503 acpi_os_printf("Attached Object %p: ", obj_desc); 504 505 /* Decode the type of attached object and dump the contents */ 506 507 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { 508 case ACPI_DESC_TYPE_NAMED: 509 510 acpi_os_printf("(Ptr to Node)\n"); 511 bytes_to_dump = sizeof(struct acpi_namespace_node); 512 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 513 break; 514 515 case ACPI_DESC_TYPE_OPERAND: 516 517 obj_type = obj_desc->common.type; 518 519 if (obj_type > ACPI_TYPE_LOCAL_MAX) { 520 acpi_os_printf 521 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n", 522 obj_type); 523 bytes_to_dump = 32; 524 } else { 525 acpi_os_printf 526 ("(Pointer to ACPI Object type %.2X [%s])\n", 527 obj_type, acpi_ut_get_type_name(obj_type)); 528 bytes_to_dump = 529 sizeof(union acpi_operand_object); 530 } 531 532 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 533 break; 534 535 default: 536 537 break; 538 } 539 540 /* If value is NOT an internal object, we are done */ 541 542 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != 543 ACPI_DESC_TYPE_OPERAND) { 544 goto cleanup; 545 } 546 547 /* Valid object, get the pointer to next level, if any */ 548 549 switch (obj_type) { 550 case ACPI_TYPE_BUFFER: 551 case ACPI_TYPE_STRING: 552 /* 553 * NOTE: takes advantage of common fields between string/buffer 554 */ 555 bytes_to_dump = obj_desc->string.length; 556 obj_desc = (void *)obj_desc->string.pointer; 557 acpi_os_printf("(Buffer/String pointer %p length %X)\n", 558 obj_desc, bytes_to_dump); 559 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); 560 goto cleanup; 561 562 case ACPI_TYPE_BUFFER_FIELD: 563 obj_desc = 564 (union acpi_operand_object *)obj_desc->buffer_field. 565 buffer_obj; 566 break; 567 568 case ACPI_TYPE_PACKAGE: 569 obj_desc = (void *)obj_desc->package.elements; 570 break; 571 572 case ACPI_TYPE_METHOD: 573 obj_desc = (void *)obj_desc->method.aml_start; 574 break; 575 576 case ACPI_TYPE_LOCAL_REGION_FIELD: 577 obj_desc = (void *)obj_desc->field.region_obj; 578 break; 579 580 case ACPI_TYPE_LOCAL_BANK_FIELD: 581 obj_desc = (void *)obj_desc->bank_field.region_obj; 582 break; 583 584 case ACPI_TYPE_LOCAL_INDEX_FIELD: 585 obj_desc = (void *)obj_desc->index_field.index_obj; 586 break; 587 588 default: 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 #ifdef ACPI_FUTURE_USAGE 601 /******************************************************************************* 602 * 603 * FUNCTION: acpi_ns_dump_objects 604 * 605 * PARAMETERS: Type - Object type to be dumped 606 * display_type - 0 or ACPI_DISPLAY_SUMMARY 607 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX 608 * for an effectively unlimited depth. 609 * owner_id - Dump only objects owned by this ID. Use 610 * ACPI_UINT32_MAX to match all owners. 611 * start_handle - Where in namespace to start/end search 612 * 613 * RETURN: None 614 * 615 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses 616 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object. 617 * 618 ******************************************************************************/ 619 620 void 621 acpi_ns_dump_objects(acpi_object_type type, 622 u8 display_type, 623 u32 max_depth, 624 acpi_owner_id owner_id, acpi_handle start_handle) 625 { 626 struct acpi_walk_info info; 627 628 ACPI_FUNCTION_ENTRY(); 629 630 info.debug_level = ACPI_LV_TABLES; 631 info.owner_id = owner_id; 632 info.display_type = display_type; 633 634 (void)acpi_ns_walk_namespace(type, start_handle, max_depth, 635 ACPI_NS_WALK_NO_UNLOCK | 636 ACPI_NS_WALK_TEMP_NODES, 637 acpi_ns_dump_one_object, NULL, 638 (void *)&info, NULL); 639 } 640 #endif /* ACPI_FUTURE_USAGE */ 641 642 /******************************************************************************* 643 * 644 * FUNCTION: acpi_ns_dump_entry 645 * 646 * PARAMETERS: Handle - Node to be dumped 647 * debug_level - Output level 648 * 649 * RETURN: None 650 * 651 * DESCRIPTION: Dump a single Node 652 * 653 ******************************************************************************/ 654 655 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level) 656 { 657 struct acpi_walk_info info; 658 659 ACPI_FUNCTION_ENTRY(); 660 661 info.debug_level = debug_level; 662 info.owner_id = ACPI_OWNER_ID_MAX; 663 info.display_type = ACPI_DISPLAY_SUMMARY; 664 665 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL); 666 } 667 668 #ifdef ACPI_ASL_COMPILER 669 /******************************************************************************* 670 * 671 * FUNCTION: acpi_ns_dump_tables 672 * 673 * PARAMETERS: search_base - Root of subtree to be dumped, or 674 * NS_ALL to dump the entire namespace 675 * max_depth - Maximum depth of dump. Use INT_MAX 676 * for an effectively unlimited depth. 677 * 678 * RETURN: None 679 * 680 * DESCRIPTION: Dump the name space, or a portion of it. 681 * 682 ******************************************************************************/ 683 684 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth) 685 { 686 acpi_handle search_handle = search_base; 687 688 ACPI_FUNCTION_TRACE(ns_dump_tables); 689 690 if (!acpi_gbl_root_node) { 691 /* 692 * If the name space has not been initialized, 693 * there is nothing to dump. 694 */ 695 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, 696 "namespace not initialized!\n")); 697 return_VOID; 698 } 699 700 if (ACPI_NS_ALL == search_base) { 701 702 /* Entire namespace */ 703 704 search_handle = acpi_gbl_root_node; 705 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n")); 706 } 707 708 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth, 709 ACPI_OWNER_ID_MAX, search_handle); 710 return_VOID; 711 } 712 #endif /* _ACPI_ASL_COMPILER */ 713 #endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */ 714