Erik Schmauss | 9585763 | 2018-03-14 16:13:07 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 2 | /******************************************************************************* |
| 3 | * |
| 4 | * Module Name: dbnames - Debugger commands for the acpi namespace |
| 5 | * |
| 6 | ******************************************************************************/ |
| 7 | |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 8 | #include <acpi/acpi.h> |
| 9 | #include "accommon.h" |
| 10 | #include "acnamesp.h" |
| 11 | #include "acdebug.h" |
| 12 | #include "acpredef.h" |
| 13 | |
| 14 | #define _COMPONENT ACPI_CA_DEBUGGER |
| 15 | ACPI_MODULE_NAME("dbnames") |
| 16 | |
| 17 | /* Local prototypes */ |
| 18 | static acpi_status |
| 19 | acpi_db_walk_and_match_name(acpi_handle obj_handle, |
| 20 | u32 nesting_level, |
| 21 | void *context, void **return_value); |
| 22 | |
| 23 | static acpi_status |
| 24 | acpi_db_walk_for_predefined_names(acpi_handle obj_handle, |
| 25 | u32 nesting_level, |
| 26 | void *context, void **return_value); |
| 27 | |
| 28 | static acpi_status |
| 29 | acpi_db_walk_for_specific_objects(acpi_handle obj_handle, |
| 30 | u32 nesting_level, |
| 31 | void *context, void **return_value); |
| 32 | |
| 33 | static acpi_status |
| 34 | acpi_db_walk_for_object_counts(acpi_handle obj_handle, |
| 35 | u32 nesting_level, |
| 36 | void *context, void **return_value); |
| 37 | |
| 38 | static acpi_status |
| 39 | acpi_db_integrity_walk(acpi_handle obj_handle, |
| 40 | u32 nesting_level, void *context, void **return_value); |
| 41 | |
| 42 | static acpi_status |
| 43 | acpi_db_walk_for_references(acpi_handle obj_handle, |
| 44 | u32 nesting_level, |
| 45 | void *context, void **return_value); |
| 46 | |
| 47 | static acpi_status |
| 48 | acpi_db_bus_walk(acpi_handle obj_handle, |
| 49 | u32 nesting_level, void *context, void **return_value); |
| 50 | |
| 51 | /* |
| 52 | * Arguments for the Objects command |
| 53 | * These object types map directly to the ACPI_TYPES |
| 54 | */ |
| 55 | static struct acpi_db_argument_info acpi_db_object_types[] = { |
| 56 | {"ANY"}, |
| 57 | {"INTEGERS"}, |
| 58 | {"STRINGS"}, |
| 59 | {"BUFFERS"}, |
| 60 | {"PACKAGES"}, |
| 61 | {"FIELDS"}, |
| 62 | {"DEVICES"}, |
| 63 | {"EVENTS"}, |
| 64 | {"METHODS"}, |
| 65 | {"MUTEXES"}, |
| 66 | {"REGIONS"}, |
| 67 | {"POWERRESOURCES"}, |
| 68 | {"PROCESSORS"}, |
| 69 | {"THERMALZONES"}, |
| 70 | {"BUFFERFIELDS"}, |
| 71 | {"DDBHANDLES"}, |
| 72 | {"DEBUG"}, |
| 73 | {"REGIONFIELDS"}, |
| 74 | {"BANKFIELDS"}, |
| 75 | {"INDEXFIELDS"}, |
| 76 | {"REFERENCES"}, |
| 77 | {"ALIASES"}, |
| 78 | {"METHODALIASES"}, |
| 79 | {"NOTIFY"}, |
| 80 | {"ADDRESSHANDLER"}, |
| 81 | {"RESOURCE"}, |
| 82 | {"RESOURCEFIELD"}, |
| 83 | {"SCOPES"}, |
| 84 | {NULL} /* Must be null terminated */ |
| 85 | }; |
| 86 | |
| 87 | /******************************************************************************* |
| 88 | * |
| 89 | * FUNCTION: acpi_db_set_scope |
| 90 | * |
| 91 | * PARAMETERS: name - New scope path |
| 92 | * |
| 93 | * RETURN: Status |
| 94 | * |
| 95 | * DESCRIPTION: Set the "current scope" as maintained by this utility. |
| 96 | * The scope is used as a prefix to ACPI paths. |
| 97 | * |
| 98 | ******************************************************************************/ |
| 99 | |
| 100 | void acpi_db_set_scope(char *name) |
| 101 | { |
| 102 | acpi_status status; |
| 103 | struct acpi_namespace_node *node; |
| 104 | |
| 105 | if (!name || name[0] == 0) { |
| 106 | acpi_os_printf("Current scope: %s\n", acpi_gbl_db_scope_buf); |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | acpi_db_prep_namestring(name); |
| 111 | |
| 112 | if (ACPI_IS_ROOT_PREFIX(name[0])) { |
| 113 | |
| 114 | /* Validate new scope from the root */ |
| 115 | |
| 116 | status = acpi_ns_get_node(acpi_gbl_root_node, name, |
| 117 | ACPI_NS_NO_UPSEARCH, &node); |
| 118 | if (ACPI_FAILURE(status)) { |
| 119 | goto error_exit; |
| 120 | } |
| 121 | |
| 122 | acpi_gbl_db_scope_buf[0] = 0; |
| 123 | } else { |
| 124 | /* Validate new scope relative to old scope */ |
| 125 | |
| 126 | status = acpi_ns_get_node(acpi_gbl_db_scope_node, name, |
| 127 | ACPI_NS_NO_UPSEARCH, &node); |
| 128 | if (ACPI_FAILURE(status)) { |
| 129 | goto error_exit; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | /* Build the final pathname */ |
| 134 | |
| 135 | if (acpi_ut_safe_strcat |
| 136 | (acpi_gbl_db_scope_buf, sizeof(acpi_gbl_db_scope_buf), name)) { |
| 137 | status = AE_BUFFER_OVERFLOW; |
| 138 | goto error_exit; |
| 139 | } |
| 140 | |
| 141 | if (acpi_ut_safe_strcat |
| 142 | (acpi_gbl_db_scope_buf, sizeof(acpi_gbl_db_scope_buf), "\\")) { |
| 143 | status = AE_BUFFER_OVERFLOW; |
| 144 | goto error_exit; |
| 145 | } |
| 146 | |
| 147 | acpi_gbl_db_scope_node = node; |
| 148 | acpi_os_printf("New scope: %s\n", acpi_gbl_db_scope_buf); |
| 149 | return; |
| 150 | |
| 151 | error_exit: |
| 152 | |
| 153 | acpi_os_printf("Could not attach scope: %s, %s\n", |
| 154 | name, acpi_format_exception(status)); |
| 155 | } |
| 156 | |
| 157 | /******************************************************************************* |
| 158 | * |
| 159 | * FUNCTION: acpi_db_dump_namespace |
| 160 | * |
| 161 | * PARAMETERS: start_arg - Node to begin namespace dump |
| 162 | * depth_arg - Maximum tree depth to be dumped |
| 163 | * |
| 164 | * RETURN: None |
| 165 | * |
| 166 | * DESCRIPTION: Dump entire namespace or a subtree. Each node is displayed |
| 167 | * with type and other information. |
| 168 | * |
| 169 | ******************************************************************************/ |
| 170 | |
| 171 | void acpi_db_dump_namespace(char *start_arg, char *depth_arg) |
| 172 | { |
| 173 | acpi_handle subtree_entry = acpi_gbl_root_node; |
| 174 | u32 max_depth = ACPI_UINT32_MAX; |
| 175 | |
| 176 | /* No argument given, just start at the root and dump entire namespace */ |
| 177 | |
| 178 | if (start_arg) { |
| 179 | subtree_entry = acpi_db_convert_to_node(start_arg); |
| 180 | if (!subtree_entry) { |
| 181 | return; |
| 182 | } |
| 183 | |
| 184 | /* Now we can check for the depth argument */ |
| 185 | |
| 186 | if (depth_arg) { |
| 187 | max_depth = strtoul(depth_arg, NULL, 0); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | acpi_db_set_output_destination(ACPI_DB_DUPLICATE_OUTPUT); |
| 192 | acpi_os_printf("ACPI Namespace (from %4.4s (%p) subtree):\n", |
| 193 | ((struct acpi_namespace_node *)subtree_entry)->name. |
| 194 | ascii, subtree_entry); |
| 195 | |
| 196 | /* Display the subtree */ |
| 197 | |
| 198 | acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT); |
| 199 | acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, max_depth, |
| 200 | ACPI_OWNER_ID_MAX, subtree_entry); |
| 201 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 202 | } |
| 203 | |
| 204 | /******************************************************************************* |
| 205 | * |
| 206 | * FUNCTION: acpi_db_dump_namespace_paths |
| 207 | * |
| 208 | * PARAMETERS: None |
| 209 | * |
| 210 | * RETURN: None |
| 211 | * |
| 212 | * DESCRIPTION: Dump entire namespace with full object pathnames and object |
| 213 | * type information. Alternative to "namespace" command. |
| 214 | * |
| 215 | ******************************************************************************/ |
| 216 | |
| 217 | void acpi_db_dump_namespace_paths(void) |
| 218 | { |
| 219 | |
| 220 | acpi_db_set_output_destination(ACPI_DB_DUPLICATE_OUTPUT); |
| 221 | acpi_os_printf("ACPI Namespace (from root):\n"); |
| 222 | |
| 223 | /* Display the entire namespace */ |
| 224 | |
| 225 | acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT); |
| 226 | acpi_ns_dump_object_paths(ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, |
| 227 | ACPI_UINT32_MAX, ACPI_OWNER_ID_MAX, |
| 228 | acpi_gbl_root_node); |
| 229 | |
| 230 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 231 | } |
| 232 | |
| 233 | /******************************************************************************* |
| 234 | * |
| 235 | * FUNCTION: acpi_db_dump_namespace_by_owner |
| 236 | * |
| 237 | * PARAMETERS: owner_arg - Owner ID whose nodes will be displayed |
| 238 | * depth_arg - Maximum tree depth to be dumped |
| 239 | * |
| 240 | * RETURN: None |
| 241 | * |
| 242 | * DESCRIPTION: Dump elements of the namespace that are owned by the owner_id. |
| 243 | * |
| 244 | ******************************************************************************/ |
| 245 | |
| 246 | void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg) |
| 247 | { |
| 248 | acpi_handle subtree_entry = acpi_gbl_root_node; |
| 249 | u32 max_depth = ACPI_UINT32_MAX; |
| 250 | acpi_owner_id owner_id; |
| 251 | |
Lv Zheng | f5c1e1c | 2016-05-05 12:57:53 +0800 | [diff] [blame] | 252 | owner_id = (acpi_owner_id)strtoul(owner_arg, NULL, 0); |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 253 | |
| 254 | /* Now we can check for the depth argument */ |
| 255 | |
| 256 | if (depth_arg) { |
| 257 | max_depth = strtoul(depth_arg, NULL, 0); |
| 258 | } |
| 259 | |
| 260 | acpi_db_set_output_destination(ACPI_DB_DUPLICATE_OUTPUT); |
| 261 | acpi_os_printf("ACPI Namespace by owner %X:\n", owner_id); |
| 262 | |
| 263 | /* Display the subtree */ |
| 264 | |
| 265 | acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT); |
| 266 | acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, max_depth, |
| 267 | owner_id, subtree_entry); |
| 268 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 269 | } |
| 270 | |
| 271 | /******************************************************************************* |
| 272 | * |
| 273 | * FUNCTION: acpi_db_walk_and_match_name |
| 274 | * |
| 275 | * PARAMETERS: Callback from walk_namespace |
| 276 | * |
| 277 | * RETURN: Status |
| 278 | * |
| 279 | * DESCRIPTION: Find a particular name/names within the namespace. Wildcards |
| 280 | * are supported -- '?' matches any character. |
| 281 | * |
| 282 | ******************************************************************************/ |
| 283 | |
| 284 | static acpi_status |
| 285 | acpi_db_walk_and_match_name(acpi_handle obj_handle, |
| 286 | u32 nesting_level, |
| 287 | void *context, void **return_value) |
| 288 | { |
| 289 | acpi_status status; |
| 290 | char *requested_name = (char *)context; |
| 291 | u32 i; |
| 292 | struct acpi_buffer buffer; |
| 293 | struct acpi_walk_info info; |
| 294 | |
| 295 | /* Check for a name match */ |
| 296 | |
| 297 | for (i = 0; i < 4; i++) { |
| 298 | |
| 299 | /* Wildcard support */ |
| 300 | |
| 301 | if ((requested_name[i] != '?') && |
| 302 | (requested_name[i] != ((struct acpi_namespace_node *) |
| 303 | obj_handle)->name.ascii[i])) { |
| 304 | |
| 305 | /* No match, just exit */ |
| 306 | |
| 307 | return (AE_OK); |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | /* Get the full pathname to this object */ |
| 312 | |
| 313 | buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| 314 | status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE); |
| 315 | if (ACPI_FAILURE(status)) { |
| 316 | acpi_os_printf("Could Not get pathname for object %p\n", |
| 317 | obj_handle); |
| 318 | } else { |
| 319 | info.owner_id = ACPI_OWNER_ID_MAX; |
| 320 | info.debug_level = ACPI_UINT32_MAX; |
| 321 | info.display_type = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT; |
| 322 | |
| 323 | acpi_os_printf("%32s", (char *)buffer.pointer); |
| 324 | (void)acpi_ns_dump_one_object(obj_handle, nesting_level, &info, |
| 325 | NULL); |
| 326 | ACPI_FREE(buffer.pointer); |
| 327 | } |
| 328 | |
| 329 | return (AE_OK); |
| 330 | } |
| 331 | |
| 332 | /******************************************************************************* |
| 333 | * |
| 334 | * FUNCTION: acpi_db_find_name_in_namespace |
| 335 | * |
| 336 | * PARAMETERS: name_arg - The 4-character ACPI name to find. |
| 337 | * wildcards are supported. |
| 338 | * |
| 339 | * RETURN: None |
| 340 | * |
| 341 | * DESCRIPTION: Search the namespace for a given name (with wildcards) |
| 342 | * |
| 343 | ******************************************************************************/ |
| 344 | |
| 345 | acpi_status acpi_db_find_name_in_namespace(char *name_arg) |
| 346 | { |
| 347 | char acpi_name[5] = "____"; |
| 348 | char *acpi_name_ptr = acpi_name; |
| 349 | |
| 350 | if (strlen(name_arg) > ACPI_NAME_SIZE) { |
| 351 | acpi_os_printf("Name must be no longer than 4 characters\n"); |
| 352 | return (AE_OK); |
| 353 | } |
| 354 | |
| 355 | /* Pad out name with underscores as necessary to create a 4-char name */ |
| 356 | |
| 357 | acpi_ut_strupr(name_arg); |
| 358 | while (*name_arg) { |
| 359 | *acpi_name_ptr = *name_arg; |
| 360 | acpi_name_ptr++; |
| 361 | name_arg++; |
| 362 | } |
| 363 | |
| 364 | /* Walk the namespace from the root */ |
| 365 | |
| 366 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 367 | ACPI_UINT32_MAX, acpi_db_walk_and_match_name, |
| 368 | NULL, acpi_name, NULL); |
| 369 | |
| 370 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 371 | return (AE_OK); |
| 372 | } |
| 373 | |
| 374 | /******************************************************************************* |
| 375 | * |
| 376 | * FUNCTION: acpi_db_walk_for_predefined_names |
| 377 | * |
| 378 | * PARAMETERS: Callback from walk_namespace |
| 379 | * |
| 380 | * RETURN: Status |
| 381 | * |
| 382 | * DESCRIPTION: Detect and display predefined ACPI names (names that start with |
| 383 | * an underscore) |
| 384 | * |
| 385 | ******************************************************************************/ |
| 386 | |
| 387 | static acpi_status |
| 388 | acpi_db_walk_for_predefined_names(acpi_handle obj_handle, |
| 389 | u32 nesting_level, |
| 390 | void *context, void **return_value) |
| 391 | { |
| 392 | struct acpi_namespace_node *node = |
| 393 | (struct acpi_namespace_node *)obj_handle; |
| 394 | u32 *count = (u32 *)context; |
| 395 | const union acpi_predefined_info *predefined; |
| 396 | const union acpi_predefined_info *package = NULL; |
| 397 | char *pathname; |
| 398 | char string_buffer[48]; |
| 399 | |
| 400 | predefined = acpi_ut_match_predefined_method(node->name.ascii); |
| 401 | if (!predefined) { |
| 402 | return (AE_OK); |
| 403 | } |
| 404 | |
Lv Zheng | 0e166e4 | 2015-12-29 13:53:50 +0800 | [diff] [blame] | 405 | pathname = acpi_ns_get_normalized_pathname(node, TRUE); |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 406 | if (!pathname) { |
| 407 | return (AE_OK); |
| 408 | } |
| 409 | |
| 410 | /* If method returns a package, the info is in the next table entry */ |
| 411 | |
| 412 | if (predefined->info.expected_btypes & ACPI_RTYPE_PACKAGE) { |
| 413 | package = predefined + 1; |
| 414 | } |
| 415 | |
| 416 | acpi_ut_get_expected_return_types(string_buffer, |
| 417 | predefined->info.expected_btypes); |
| 418 | |
| 419 | acpi_os_printf("%-32s Arguments %X, Return Types: %s", pathname, |
| 420 | METHOD_GET_ARG_COUNT(predefined->info.argument_list), |
| 421 | string_buffer); |
| 422 | |
| 423 | if (package) { |
| 424 | acpi_os_printf(" (PkgType %2.2X, ObjType %2.2X, Count %2.2X)", |
| 425 | package->ret_info.type, |
| 426 | package->ret_info.object_type1, |
| 427 | package->ret_info.count1); |
| 428 | } |
| 429 | |
| 430 | acpi_os_printf("\n"); |
| 431 | |
| 432 | /* Check that the declared argument count matches the ACPI spec */ |
| 433 | |
| 434 | acpi_ns_check_acpi_compliance(pathname, node, predefined); |
| 435 | |
| 436 | ACPI_FREE(pathname); |
| 437 | (*count)++; |
| 438 | return (AE_OK); |
| 439 | } |
| 440 | |
| 441 | /******************************************************************************* |
| 442 | * |
| 443 | * FUNCTION: acpi_db_check_predefined_names |
| 444 | * |
| 445 | * PARAMETERS: None |
| 446 | * |
| 447 | * RETURN: None |
| 448 | * |
| 449 | * DESCRIPTION: Validate all predefined names in the namespace |
| 450 | * |
| 451 | ******************************************************************************/ |
| 452 | |
| 453 | void acpi_db_check_predefined_names(void) |
| 454 | { |
| 455 | u32 count = 0; |
| 456 | |
| 457 | /* Search all nodes in namespace */ |
| 458 | |
| 459 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 460 | ACPI_UINT32_MAX, |
| 461 | acpi_db_walk_for_predefined_names, NULL, |
| 462 | (void *)&count, NULL); |
| 463 | |
| 464 | acpi_os_printf("Found %u predefined names in the namespace\n", count); |
| 465 | } |
| 466 | |
| 467 | /******************************************************************************* |
| 468 | * |
| 469 | * FUNCTION: acpi_db_walk_for_object_counts |
| 470 | * |
| 471 | * PARAMETERS: Callback from walk_namespace |
| 472 | * |
| 473 | * RETURN: Status |
| 474 | * |
| 475 | * DESCRIPTION: Display short info about objects in the namespace |
| 476 | * |
| 477 | ******************************************************************************/ |
| 478 | |
| 479 | static acpi_status |
| 480 | acpi_db_walk_for_object_counts(acpi_handle obj_handle, |
| 481 | u32 nesting_level, |
| 482 | void *context, void **return_value) |
| 483 | { |
| 484 | struct acpi_object_info *info = (struct acpi_object_info *)context; |
| 485 | struct acpi_namespace_node *node = |
| 486 | (struct acpi_namespace_node *)obj_handle; |
| 487 | |
| 488 | if (node->type > ACPI_TYPE_NS_NODE_MAX) { |
| 489 | acpi_os_printf("[%4.4s]: Unknown object type %X\n", |
| 490 | node->name.ascii, node->type); |
| 491 | } else { |
| 492 | info->types[node->type]++; |
| 493 | } |
| 494 | |
| 495 | return (AE_OK); |
| 496 | } |
| 497 | |
| 498 | /******************************************************************************* |
| 499 | * |
| 500 | * FUNCTION: acpi_db_walk_for_specific_objects |
| 501 | * |
| 502 | * PARAMETERS: Callback from walk_namespace |
| 503 | * |
| 504 | * RETURN: Status |
| 505 | * |
| 506 | * DESCRIPTION: Display short info about objects in the namespace |
| 507 | * |
| 508 | ******************************************************************************/ |
| 509 | |
| 510 | static acpi_status |
| 511 | acpi_db_walk_for_specific_objects(acpi_handle obj_handle, |
| 512 | u32 nesting_level, |
| 513 | void *context, void **return_value) |
| 514 | { |
| 515 | struct acpi_walk_info *info = (struct acpi_walk_info *)context; |
| 516 | struct acpi_buffer buffer; |
| 517 | acpi_status status; |
| 518 | |
| 519 | info->count++; |
| 520 | |
| 521 | /* Get and display the full pathname to this object */ |
| 522 | |
| 523 | buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| 524 | status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE); |
| 525 | if (ACPI_FAILURE(status)) { |
| 526 | acpi_os_printf("Could Not get pathname for object %p\n", |
| 527 | obj_handle); |
| 528 | return (AE_OK); |
| 529 | } |
| 530 | |
| 531 | acpi_os_printf("%32s", (char *)buffer.pointer); |
| 532 | ACPI_FREE(buffer.pointer); |
| 533 | |
| 534 | /* Dump short info about the object */ |
| 535 | |
| 536 | (void)acpi_ns_dump_one_object(obj_handle, nesting_level, info, NULL); |
| 537 | return (AE_OK); |
| 538 | } |
| 539 | |
| 540 | /******************************************************************************* |
| 541 | * |
| 542 | * FUNCTION: acpi_db_display_objects |
| 543 | * |
| 544 | * PARAMETERS: obj_type_arg - Type of object to display |
| 545 | * display_count_arg - Max depth to display |
| 546 | * |
| 547 | * RETURN: None |
| 548 | * |
| 549 | * DESCRIPTION: Display objects in the namespace of the requested type |
| 550 | * |
| 551 | ******************************************************************************/ |
| 552 | |
| 553 | acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg) |
| 554 | { |
| 555 | struct acpi_walk_info info; |
| 556 | acpi_object_type type; |
| 557 | struct acpi_object_info *object_info; |
| 558 | u32 i; |
| 559 | u32 total_objects = 0; |
| 560 | |
| 561 | /* No argument means display summary/count of all object types */ |
| 562 | |
| 563 | if (!obj_type_arg) { |
| 564 | object_info = |
| 565 | ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info)); |
| 566 | |
| 567 | /* Walk the namespace from the root */ |
| 568 | |
| 569 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 570 | ACPI_UINT32_MAX, |
| 571 | acpi_db_walk_for_object_counts, NULL, |
| 572 | (void *)object_info, NULL); |
| 573 | |
| 574 | acpi_os_printf("\nSummary of namespace objects:\n\n"); |
| 575 | |
| 576 | for (i = 0; i < ACPI_TOTAL_TYPES; i++) { |
| 577 | acpi_os_printf("%8u %s\n", object_info->types[i], |
| 578 | acpi_ut_get_type_name(i)); |
| 579 | |
| 580 | total_objects += object_info->types[i]; |
| 581 | } |
| 582 | |
| 583 | acpi_os_printf("\n%8u Total namespace objects\n\n", |
| 584 | total_objects); |
| 585 | |
| 586 | ACPI_FREE(object_info); |
| 587 | return (AE_OK); |
| 588 | } |
| 589 | |
| 590 | /* Get the object type */ |
| 591 | |
| 592 | type = acpi_db_match_argument(obj_type_arg, acpi_db_object_types); |
| 593 | if (type == ACPI_TYPE_NOT_FOUND) { |
| 594 | acpi_os_printf("Invalid or unsupported argument\n"); |
| 595 | return (AE_OK); |
| 596 | } |
| 597 | |
| 598 | acpi_db_set_output_destination(ACPI_DB_DUPLICATE_OUTPUT); |
| 599 | acpi_os_printf |
| 600 | ("Objects of type [%s] defined in the current ACPI Namespace:\n", |
| 601 | acpi_ut_get_type_name(type)); |
| 602 | |
| 603 | acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT); |
| 604 | |
| 605 | info.count = 0; |
| 606 | info.owner_id = ACPI_OWNER_ID_MAX; |
| 607 | info.debug_level = ACPI_UINT32_MAX; |
| 608 | info.display_type = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT; |
| 609 | |
| 610 | /* Walk the namespace from the root */ |
| 611 | |
| 612 | (void)acpi_walk_namespace(type, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, |
| 613 | acpi_db_walk_for_specific_objects, NULL, |
| 614 | (void *)&info, NULL); |
| 615 | |
| 616 | acpi_os_printf |
| 617 | ("\nFound %u objects of type [%s] in the current ACPI Namespace\n", |
| 618 | info.count, acpi_ut_get_type_name(type)); |
| 619 | |
| 620 | acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); |
| 621 | return (AE_OK); |
| 622 | } |
| 623 | |
| 624 | /******************************************************************************* |
| 625 | * |
| 626 | * FUNCTION: acpi_db_integrity_walk |
| 627 | * |
| 628 | * PARAMETERS: Callback from walk_namespace |
| 629 | * |
| 630 | * RETURN: Status |
| 631 | * |
| 632 | * DESCRIPTION: Examine one NS node for valid values. |
| 633 | * |
| 634 | ******************************************************************************/ |
| 635 | |
| 636 | static acpi_status |
| 637 | acpi_db_integrity_walk(acpi_handle obj_handle, |
| 638 | u32 nesting_level, void *context, void **return_value) |
| 639 | { |
| 640 | struct acpi_integrity_info *info = |
| 641 | (struct acpi_integrity_info *)context; |
| 642 | struct acpi_namespace_node *node = |
| 643 | (struct acpi_namespace_node *)obj_handle; |
| 644 | union acpi_operand_object *object; |
| 645 | u8 alias = TRUE; |
| 646 | |
| 647 | info->nodes++; |
| 648 | |
| 649 | /* Verify the NS node, and dereference aliases */ |
| 650 | |
| 651 | while (alias) { |
| 652 | if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { |
| 653 | acpi_os_printf |
| 654 | ("Invalid Descriptor Type for Node %p [%s] - " |
| 655 | "is %2.2X should be %2.2X\n", node, |
| 656 | acpi_ut_get_descriptor_name(node), |
| 657 | ACPI_GET_DESCRIPTOR_TYPE(node), |
| 658 | ACPI_DESC_TYPE_NAMED); |
| 659 | return (AE_OK); |
| 660 | } |
| 661 | |
| 662 | if ((node->type == ACPI_TYPE_LOCAL_ALIAS) || |
| 663 | (node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { |
| 664 | node = (struct acpi_namespace_node *)node->object; |
| 665 | } else { |
| 666 | alias = FALSE; |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | if (node->type > ACPI_TYPE_LOCAL_MAX) { |
| 671 | acpi_os_printf("Invalid Object Type for Node %p, Type = %X\n", |
| 672 | node, node->type); |
| 673 | return (AE_OK); |
| 674 | } |
| 675 | |
Bob Moore | 6a0df32 | 2016-05-05 13:00:36 +0800 | [diff] [blame] | 676 | if (!acpi_ut_valid_nameseg(node->name.ascii)) { |
Lv Zheng | 9957510 | 2015-10-19 10:25:20 +0800 | [diff] [blame] | 677 | acpi_os_printf("Invalid AcpiName for Node %p\n", node); |
| 678 | return (AE_OK); |
| 679 | } |
| 680 | |
| 681 | object = acpi_ns_get_attached_object(node); |
| 682 | if (object) { |
| 683 | info->objects++; |
| 684 | if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) { |
| 685 | acpi_os_printf |
| 686 | ("Invalid Descriptor Type for Object %p [%s]\n", |
| 687 | object, acpi_ut_get_descriptor_name(object)); |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | return (AE_OK); |
| 692 | } |
| 693 | |
| 694 | /******************************************************************************* |
| 695 | * |
| 696 | * FUNCTION: acpi_db_check_integrity |
| 697 | * |
| 698 | * PARAMETERS: None |
| 699 | * |
| 700 | * RETURN: None |
| 701 | * |
| 702 | * DESCRIPTION: Check entire namespace for data structure integrity |
| 703 | * |
| 704 | ******************************************************************************/ |
| 705 | |
| 706 | void acpi_db_check_integrity(void) |
| 707 | { |
| 708 | struct acpi_integrity_info info = { 0, 0 }; |
| 709 | |
| 710 | /* Search all nodes in namespace */ |
| 711 | |
| 712 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 713 | ACPI_UINT32_MAX, acpi_db_integrity_walk, NULL, |
| 714 | (void *)&info, NULL); |
| 715 | |
| 716 | acpi_os_printf("Verified %u namespace nodes with %u Objects\n", |
| 717 | info.nodes, info.objects); |
| 718 | } |
| 719 | |
| 720 | /******************************************************************************* |
| 721 | * |
| 722 | * FUNCTION: acpi_db_walk_for_references |
| 723 | * |
| 724 | * PARAMETERS: Callback from walk_namespace |
| 725 | * |
| 726 | * RETURN: Status |
| 727 | * |
| 728 | * DESCRIPTION: Check if this namespace object refers to the target object |
| 729 | * that is passed in as the context value. |
| 730 | * |
| 731 | * Note: Currently doesn't check subobjects within the Node's object |
| 732 | * |
| 733 | ******************************************************************************/ |
| 734 | |
| 735 | static acpi_status |
| 736 | acpi_db_walk_for_references(acpi_handle obj_handle, |
| 737 | u32 nesting_level, |
| 738 | void *context, void **return_value) |
| 739 | { |
| 740 | union acpi_operand_object *obj_desc = |
| 741 | (union acpi_operand_object *)context; |
| 742 | struct acpi_namespace_node *node = |
| 743 | (struct acpi_namespace_node *)obj_handle; |
| 744 | |
| 745 | /* Check for match against the namespace node itself */ |
| 746 | |
| 747 | if (node == (void *)obj_desc) { |
| 748 | acpi_os_printf("Object is a Node [%4.4s]\n", |
| 749 | acpi_ut_get_node_name(node)); |
| 750 | } |
| 751 | |
| 752 | /* Check for match against the object attached to the node */ |
| 753 | |
| 754 | if (acpi_ns_get_attached_object(node) == obj_desc) { |
| 755 | acpi_os_printf("Reference at Node->Object %p [%4.4s]\n", |
| 756 | node, acpi_ut_get_node_name(node)); |
| 757 | } |
| 758 | |
| 759 | return (AE_OK); |
| 760 | } |
| 761 | |
| 762 | /******************************************************************************* |
| 763 | * |
| 764 | * FUNCTION: acpi_db_find_references |
| 765 | * |
| 766 | * PARAMETERS: object_arg - String with hex value of the object |
| 767 | * |
| 768 | * RETURN: None |
| 769 | * |
| 770 | * DESCRIPTION: Search namespace for all references to the input object |
| 771 | * |
| 772 | ******************************************************************************/ |
| 773 | |
| 774 | void acpi_db_find_references(char *object_arg) |
| 775 | { |
| 776 | union acpi_operand_object *obj_desc; |
| 777 | acpi_size address; |
| 778 | |
| 779 | /* Convert string to object pointer */ |
| 780 | |
| 781 | address = strtoul(object_arg, NULL, 16); |
| 782 | obj_desc = ACPI_TO_POINTER(address); |
| 783 | |
| 784 | /* Search all nodes in namespace */ |
| 785 | |
| 786 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 787 | ACPI_UINT32_MAX, acpi_db_walk_for_references, |
| 788 | NULL, (void *)obj_desc, NULL); |
| 789 | } |
| 790 | |
| 791 | /******************************************************************************* |
| 792 | * |
| 793 | * FUNCTION: acpi_db_bus_walk |
| 794 | * |
| 795 | * PARAMETERS: Callback from walk_namespace |
| 796 | * |
| 797 | * RETURN: Status |
| 798 | * |
| 799 | * DESCRIPTION: Display info about device objects that have a corresponding |
| 800 | * _PRT method. |
| 801 | * |
| 802 | ******************************************************************************/ |
| 803 | |
| 804 | static acpi_status |
| 805 | acpi_db_bus_walk(acpi_handle obj_handle, |
| 806 | u32 nesting_level, void *context, void **return_value) |
| 807 | { |
| 808 | struct acpi_namespace_node *node = |
| 809 | (struct acpi_namespace_node *)obj_handle; |
| 810 | acpi_status status; |
| 811 | struct acpi_buffer buffer; |
| 812 | struct acpi_namespace_node *temp_node; |
| 813 | struct acpi_device_info *info; |
| 814 | u32 i; |
| 815 | |
| 816 | if ((node->type != ACPI_TYPE_DEVICE) && |
| 817 | (node->type != ACPI_TYPE_PROCESSOR)) { |
| 818 | return (AE_OK); |
| 819 | } |
| 820 | |
| 821 | /* Exit if there is no _PRT under this device */ |
| 822 | |
| 823 | status = acpi_get_handle(node, METHOD_NAME__PRT, |
| 824 | ACPI_CAST_PTR(acpi_handle, &temp_node)); |
| 825 | if (ACPI_FAILURE(status)) { |
| 826 | return (AE_OK); |
| 827 | } |
| 828 | |
| 829 | /* Get the full path to this device object */ |
| 830 | |
| 831 | buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| 832 | status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE); |
| 833 | if (ACPI_FAILURE(status)) { |
| 834 | acpi_os_printf("Could Not get pathname for object %p\n", |
| 835 | obj_handle); |
| 836 | return (AE_OK); |
| 837 | } |
| 838 | |
| 839 | status = acpi_get_object_info(obj_handle, &info); |
| 840 | if (ACPI_FAILURE(status)) { |
| 841 | return (AE_OK); |
| 842 | } |
| 843 | |
| 844 | /* Display the full path */ |
| 845 | |
| 846 | acpi_os_printf("%-32s Type %X", (char *)buffer.pointer, node->type); |
| 847 | ACPI_FREE(buffer.pointer); |
| 848 | |
| 849 | if (info->flags & ACPI_PCI_ROOT_BRIDGE) { |
| 850 | acpi_os_printf(" - Is PCI Root Bridge"); |
| 851 | } |
| 852 | acpi_os_printf("\n"); |
| 853 | |
| 854 | /* _PRT info */ |
| 855 | |
| 856 | acpi_os_printf("_PRT: %p\n", temp_node); |
| 857 | |
| 858 | /* Dump _ADR, _HID, _UID, _CID */ |
| 859 | |
| 860 | if (info->valid & ACPI_VALID_ADR) { |
| 861 | acpi_os_printf("_ADR: %8.8X%8.8X\n", |
| 862 | ACPI_FORMAT_UINT64(info->address)); |
| 863 | } else { |
| 864 | acpi_os_printf("_ADR: <Not Present>\n"); |
| 865 | } |
| 866 | |
| 867 | if (info->valid & ACPI_VALID_HID) { |
| 868 | acpi_os_printf("_HID: %s\n", info->hardware_id.string); |
| 869 | } else { |
| 870 | acpi_os_printf("_HID: <Not Present>\n"); |
| 871 | } |
| 872 | |
| 873 | if (info->valid & ACPI_VALID_UID) { |
| 874 | acpi_os_printf("_UID: %s\n", info->unique_id.string); |
| 875 | } else { |
| 876 | acpi_os_printf("_UID: <Not Present>\n"); |
| 877 | } |
| 878 | |
| 879 | if (info->valid & ACPI_VALID_CID) { |
| 880 | for (i = 0; i < info->compatible_id_list.count; i++) { |
| 881 | acpi_os_printf("_CID: %s\n", |
| 882 | info->compatible_id_list.ids[i].string); |
| 883 | } |
| 884 | } else { |
| 885 | acpi_os_printf("_CID: <Not Present>\n"); |
| 886 | } |
| 887 | |
| 888 | ACPI_FREE(info); |
| 889 | return (AE_OK); |
| 890 | } |
| 891 | |
| 892 | /******************************************************************************* |
| 893 | * |
| 894 | * FUNCTION: acpi_db_get_bus_info |
| 895 | * |
| 896 | * PARAMETERS: None |
| 897 | * |
| 898 | * RETURN: None |
| 899 | * |
| 900 | * DESCRIPTION: Display info about system busses. |
| 901 | * |
| 902 | ******************************************************************************/ |
| 903 | |
| 904 | void acpi_db_get_bus_info(void) |
| 905 | { |
| 906 | /* Search all nodes in namespace */ |
| 907 | |
| 908 | (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, |
| 909 | ACPI_UINT32_MAX, acpi_db_bus_walk, NULL, NULL, |
| 910 | NULL); |
| 911 | } |