1 /*******************************************************************************
   2  *
   3  * Module Name: dbnames - Debugger commands for the acpi namespace
   4  *
   5  ******************************************************************************/
   6 
   7 /*
   8  * Copyright (C) 2000 - 2014, 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 
  45 #include "acpi.h"
  46 #include "accommon.h"
  47 #include "acnamesp.h"
  48 #include "acdebug.h"
  49 #include "acpredef.h"
  50 
  51 
  52 #ifdef ACPI_DEBUGGER
  53 
  54 #define _COMPONENT          ACPI_CA_DEBUGGER
  55         ACPI_MODULE_NAME    ("dbnames")
  56 
  57 
  58 /* Local prototypes */
  59 
  60 static ACPI_STATUS
  61 AcpiDbWalkAndMatchName (
  62     ACPI_HANDLE             ObjHandle,
  63     UINT32                  NestingLevel,
  64     void                    *Context,
  65     void                    **ReturnValue);
  66 
  67 static ACPI_STATUS
  68 AcpiDbWalkForPredefinedNames (
  69     ACPI_HANDLE             ObjHandle,
  70     UINT32                  NestingLevel,
  71     void                    *Context,
  72     void                    **ReturnValue);
  73 
  74 static ACPI_STATUS
  75 AcpiDbWalkForSpecificObjects (
  76     ACPI_HANDLE             ObjHandle,
  77     UINT32                  NestingLevel,
  78     void                    *Context,
  79     void                    **ReturnValue);
  80 
  81 static ACPI_STATUS
  82 AcpiDbIntegrityWalk (
  83     ACPI_HANDLE             ObjHandle,
  84     UINT32                  NestingLevel,
  85     void                    *Context,
  86     void                    **ReturnValue);
  87 
  88 static ACPI_STATUS
  89 AcpiDbWalkForReferences (
  90     ACPI_HANDLE             ObjHandle,
  91     UINT32                  NestingLevel,
  92     void                    *Context,
  93     void                    **ReturnValue);
  94 
  95 static ACPI_STATUS
  96 AcpiDbBusWalk (
  97     ACPI_HANDLE             ObjHandle,
  98     UINT32                  NestingLevel,
  99     void                    *Context,
 100     void                    **ReturnValue);
 101 
 102 /*
 103  * Arguments for the Objects command
 104  * These object types map directly to the ACPI_TYPES
 105  */
 106 static ACPI_DB_ARGUMENT_INFO    AcpiDbObjectTypes [] =
 107 {
 108     {"ANY"},
 109     {"INTEGERS"},
 110     {"STRINGS"},
 111     {"BUFFERS"},
 112     {"PACKAGES"},
 113     {"FIELDS"},
 114     {"DEVICES"},
 115     {"EVENTS"},
 116     {"METHODS"},
 117     {"MUTEXES"},
 118     {"REGIONS"},
 119     {"POWERRESOURCES"},
 120     {"PROCESSORS"},
 121     {"THERMALZONES"},
 122     {"BUFFERFIELDS"},
 123     {"DDBHANDLES"},
 124     {"DEBUG"},
 125     {"REGIONFIELDS"},
 126     {"BANKFIELDS"},
 127     {"INDEXFIELDS"},
 128     {"REFERENCES"},
 129     {"ALIAS"},
 130     {NULL}           /* Must be null terminated */
 131 };
 132 
 133 
 134 /*******************************************************************************
 135  *
 136  * FUNCTION:    AcpiDbSetScope
 137  *
 138  * PARAMETERS:  Name                - New scope path
 139  *
 140  * RETURN:      Status
 141  *
 142  * DESCRIPTION: Set the "current scope" as maintained by this utility.
 143  *              The scope is used as a prefix to ACPI paths.
 144  *
 145  ******************************************************************************/
 146 
 147 void
 148 AcpiDbSetScope (
 149     char                    *Name)
 150 {
 151     ACPI_STATUS             Status;
 152     ACPI_NAMESPACE_NODE     *Node;
 153 
 154 
 155     if (!Name || Name[0] == 0)
 156     {
 157         AcpiOsPrintf ("Current scope: %s\n", AcpiGbl_DbScopeBuf);
 158         return;
 159     }
 160 
 161     AcpiDbPrepNamestring (Name);
 162 
 163     if (ACPI_IS_ROOT_PREFIX (Name[0]))
 164     {
 165         /* Validate new scope from the root */
 166 
 167         Status = AcpiNsGetNode (AcpiGbl_RootNode, Name, ACPI_NS_NO_UPSEARCH,
 168                     &Node);
 169         if (ACPI_FAILURE (Status))
 170         {
 171             goto ErrorExit;
 172         }
 173 
 174         AcpiGbl_DbScopeBuf[0] = 0;
 175     }
 176     else
 177     {
 178         /* Validate new scope relative to old scope */
 179 
 180         Status = AcpiNsGetNode (AcpiGbl_DbScopeNode, Name, ACPI_NS_NO_UPSEARCH,
 181                     &Node);
 182         if (ACPI_FAILURE (Status))
 183         {
 184             goto ErrorExit;
 185         }
 186     }
 187 
 188     /* Build the final pathname */
 189 
 190     if (AcpiUtSafeStrcat (AcpiGbl_DbScopeBuf, sizeof (AcpiGbl_DbScopeBuf),
 191         Name))
 192     {
 193         Status = AE_BUFFER_OVERFLOW;
 194         goto ErrorExit;
 195     }
 196 
 197     if (AcpiUtSafeStrcat (AcpiGbl_DbScopeBuf, sizeof (AcpiGbl_DbScopeBuf),
 198         "\\"))
 199     {
 200         Status = AE_BUFFER_OVERFLOW;
 201         goto ErrorExit;
 202     }
 203 
 204     AcpiGbl_DbScopeNode = Node;
 205     AcpiOsPrintf ("New scope: %s\n", AcpiGbl_DbScopeBuf);
 206     return;
 207 
 208 ErrorExit:
 209 
 210     AcpiOsPrintf ("Could not attach scope: %s, %s\n",
 211         Name, AcpiFormatException (Status));
 212 }
 213 
 214 
 215 /*******************************************************************************
 216  *
 217  * FUNCTION:    AcpiDbDumpNamespace
 218  *
 219  * PARAMETERS:  StartArg        - Node to begin namespace dump
 220  *              DepthArg        - Maximum tree depth to be dumped
 221  *
 222  * RETURN:      None
 223  *
 224  * DESCRIPTION: Dump entire namespace or a subtree. Each node is displayed
 225  *              with type and other information.
 226  *
 227  ******************************************************************************/
 228 
 229 void
 230 AcpiDbDumpNamespace (
 231     char                    *StartArg,
 232     char                    *DepthArg)
 233 {
 234     ACPI_HANDLE             SubtreeEntry = AcpiGbl_RootNode;
 235     UINT32                  MaxDepth = ACPI_UINT32_MAX;
 236 
 237 
 238     /* No argument given, just start at the root and dump entire namespace */
 239 
 240     if (StartArg)
 241     {
 242         SubtreeEntry = AcpiDbConvertToNode (StartArg);
 243         if (!SubtreeEntry)
 244         {
 245             return;
 246         }
 247 
 248         /* Now we can check for the depth argument */
 249 
 250         if (DepthArg)
 251         {
 252             MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
 253         }
 254     }
 255 
 256     AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
 257     AcpiOsPrintf ("ACPI Namespace (from %4.4s (%p) subtree):\n",
 258         ((ACPI_NAMESPACE_NODE *) SubtreeEntry)->Name.Ascii, SubtreeEntry);
 259 
 260     /* Display the subtree */
 261 
 262     AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
 263     AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth,
 264         ACPI_OWNER_ID_MAX, SubtreeEntry);
 265     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
 266 }
 267 
 268 
 269 /*******************************************************************************
 270  *
 271  * FUNCTION:    AcpiDbDumpNamespacePaths
 272  *
 273  * PARAMETERS:  None
 274  *
 275  * RETURN:      None
 276  *
 277  * DESCRIPTION: Dump entire namespace with full object pathnames and object
 278  *              type information. Alternative to "namespace" command.
 279  *
 280  ******************************************************************************/
 281 
 282 void
 283 AcpiDbDumpNamespacePaths (
 284     void)
 285 {
 286 
 287     AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
 288     AcpiOsPrintf ("ACPI Namespace (from root):\n");
 289 
 290     /* Display the entire namespace */
 291 
 292     AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
 293     AcpiNsDumpObjectPaths (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY,
 294         ACPI_UINT32_MAX, ACPI_OWNER_ID_MAX, AcpiGbl_RootNode);
 295 
 296     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
 297 }
 298 
 299 
 300 /*******************************************************************************
 301  *
 302  * FUNCTION:    AcpiDbDumpNamespaceByOwner
 303  *
 304  * PARAMETERS:  OwnerArg        - Owner ID whose nodes will be displayed
 305  *              DepthArg        - Maximum tree depth to be dumped
 306  *
 307  * RETURN:      None
 308  *
 309  * DESCRIPTION: Dump elements of the namespace that are owned by the OwnerId.
 310  *
 311  ******************************************************************************/
 312 
 313 void
 314 AcpiDbDumpNamespaceByOwner (
 315     char                    *OwnerArg,
 316     char                    *DepthArg)
 317 {
 318     ACPI_HANDLE             SubtreeEntry = AcpiGbl_RootNode;
 319     UINT32                  MaxDepth = ACPI_UINT32_MAX;
 320     ACPI_OWNER_ID           OwnerId;
 321 
 322 
 323     OwnerId = (ACPI_OWNER_ID) ACPI_STRTOUL (OwnerArg, NULL, 0);
 324 
 325     /* Now we can check for the depth argument */
 326 
 327     if (DepthArg)
 328     {
 329         MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
 330     }
 331 
 332     AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
 333     AcpiOsPrintf ("ACPI Namespace by owner %X:\n", OwnerId);
 334 
 335     /* Display the subtree */
 336 
 337     AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
 338     AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth, OwnerId,
 339         SubtreeEntry);
 340     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
 341 }
 342 
 343 
 344 /*******************************************************************************
 345  *
 346  * FUNCTION:    AcpiDbWalkAndMatchName
 347  *
 348  * PARAMETERS:  Callback from WalkNamespace
 349  *
 350  * RETURN:      Status
 351  *
 352  * DESCRIPTION: Find a particular name/names within the namespace. Wildcards
 353  *              are supported -- '?' matches any character.
 354  *
 355  ******************************************************************************/
 356 
 357 static ACPI_STATUS
 358 AcpiDbWalkAndMatchName (
 359     ACPI_HANDLE             ObjHandle,
 360     UINT32                  NestingLevel,
 361     void                    *Context,
 362     void                    **ReturnValue)
 363 {
 364     ACPI_STATUS             Status;
 365     char                    *RequestedName = (char *) Context;
 366     UINT32                  i;
 367     ACPI_BUFFER             Buffer;
 368     ACPI_WALK_INFO          Info;
 369 
 370 
 371     /* Check for a name match */
 372 
 373     for (i = 0; i < 4; i++)
 374     {
 375         /* Wildcard support */
 376 
 377         if ((RequestedName[i] != '?') &&
 378             (RequestedName[i] != ((ACPI_NAMESPACE_NODE *) ObjHandle)->Name.Ascii[i]))
 379         {
 380             /* No match, just exit */
 381 
 382             return (AE_OK);
 383         }
 384     }
 385 
 386     /* Get the full pathname to this object */
 387 
 388     Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
 389     Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
 390     if (ACPI_FAILURE (Status))
 391     {
 392         AcpiOsPrintf ("Could Not get pathname for object %p\n", ObjHandle);
 393     }
 394     else
 395     {
 396         Info.OwnerId = ACPI_OWNER_ID_MAX;
 397         Info.DebugLevel = ACPI_UINT32_MAX;
 398         Info.DisplayType = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT;
 399 
 400         AcpiOsPrintf ("%32s", (char *) Buffer.Pointer);
 401         (void) AcpiNsDumpOneObject (ObjHandle, NestingLevel, &Info, NULL);
 402         ACPI_FREE (Buffer.Pointer);
 403     }
 404 
 405     return (AE_OK);
 406 }
 407 
 408 
 409 /*******************************************************************************
 410  *
 411  * FUNCTION:    AcpiDbFindNameInNamespace
 412  *
 413  * PARAMETERS:  NameArg         - The 4-character ACPI name to find.
 414  *                                wildcards are supported.
 415  *
 416  * RETURN:      None
 417  *
 418  * DESCRIPTION: Search the namespace for a given name (with wildcards)
 419  *
 420  ******************************************************************************/
 421 
 422 ACPI_STATUS
 423 AcpiDbFindNameInNamespace (
 424     char                    *NameArg)
 425 {
 426     char                    AcpiName[5] = "____";
 427     char                    *AcpiNamePtr = AcpiName;
 428 
 429 
 430     if (ACPI_STRLEN (NameArg) > 4)
 431     {
 432         AcpiOsPrintf ("Name must be no longer than 4 characters\n");
 433         return (AE_OK);
 434     }
 435 
 436     /* Pad out name with underscores as necessary to create a 4-char name */
 437 
 438     AcpiUtStrupr (NameArg);
 439     while (*NameArg)
 440     {
 441         *AcpiNamePtr = *NameArg;
 442         AcpiNamePtr++;
 443         NameArg++;
 444     }
 445 
 446     /* Walk the namespace from the root */
 447 
 448     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 449                         AcpiDbWalkAndMatchName, NULL, AcpiName, NULL);
 450 
 451     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
 452     return (AE_OK);
 453 }
 454 
 455 
 456 /*******************************************************************************
 457  *
 458  * FUNCTION:    AcpiDbWalkForPredefinedNames
 459  *
 460  * PARAMETERS:  Callback from WalkNamespace
 461  *
 462  * RETURN:      Status
 463  *
 464  * DESCRIPTION: Detect and display predefined ACPI names (names that start with
 465  *              an underscore)
 466  *
 467  ******************************************************************************/
 468 
 469 static ACPI_STATUS
 470 AcpiDbWalkForPredefinedNames (
 471     ACPI_HANDLE             ObjHandle,
 472     UINT32                  NestingLevel,
 473     void                    *Context,
 474     void                    **ReturnValue)
 475 {
 476     ACPI_NAMESPACE_NODE         *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
 477     UINT32                      *Count = (UINT32 *) Context;
 478     const ACPI_PREDEFINED_INFO  *Predefined;
 479     const ACPI_PREDEFINED_INFO  *Package = NULL;
 480     char                        *Pathname;
 481     char                        StringBuffer[48];
 482 
 483 
 484     Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
 485     if (!Predefined)
 486     {
 487         return (AE_OK);
 488     }
 489 
 490     Pathname = AcpiNsGetExternalPathname (Node);
 491     if (!Pathname)
 492     {
 493         return (AE_OK);
 494     }
 495 
 496     /* If method returns a package, the info is in the next table entry */
 497 
 498     if (Predefined->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE)
 499     {
 500         Package = Predefined + 1;
 501     }
 502 
 503     AcpiUtGetExpectedReturnTypes (StringBuffer,
 504         Predefined->Info.ExpectedBtypes);
 505 
 506     AcpiOsPrintf ("%-32s Arguments %X, Return Types: %s", Pathname,
 507         METHOD_GET_ARG_COUNT (Predefined->Info.ArgumentList),
 508         StringBuffer);
 509 
 510     if (Package)
 511     {
 512         AcpiOsPrintf (" (PkgType %2.2X, ObjType %2.2X, Count %2.2X)",
 513             Package->RetInfo.Type, Package->RetInfo.ObjectType1,
 514             Package->RetInfo.Count1);
 515     }
 516 
 517     AcpiOsPrintf("\n");
 518 
 519     /* Check that the declared argument count matches the ACPI spec */
 520 
 521     AcpiNsCheckAcpiCompliance (Pathname, Node, Predefined);
 522 
 523     ACPI_FREE (Pathname);
 524     (*Count)++;
 525     return (AE_OK);
 526 }
 527 
 528 
 529 /*******************************************************************************
 530  *
 531  * FUNCTION:    AcpiDbCheckPredefinedNames
 532  *
 533  * PARAMETERS:  None
 534  *
 535  * RETURN:      None
 536  *
 537  * DESCRIPTION: Validate all predefined names in the namespace
 538  *
 539  ******************************************************************************/
 540 
 541 void
 542 AcpiDbCheckPredefinedNames (
 543     void)
 544 {
 545     UINT32                  Count = 0;
 546 
 547 
 548     /* Search all nodes in namespace */
 549 
 550     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 551                 AcpiDbWalkForPredefinedNames, NULL, (void *) &Count, NULL);
 552 
 553     AcpiOsPrintf ("Found %u predefined names in the namespace\n", Count);
 554 }
 555 
 556 
 557 /*******************************************************************************
 558  *
 559  * FUNCTION:    AcpiDbWalkForSpecificObjects
 560  *
 561  * PARAMETERS:  Callback from WalkNamespace
 562  *
 563  * RETURN:      Status
 564  *
 565  * DESCRIPTION: Display short info about objects in the namespace
 566  *
 567  ******************************************************************************/
 568 
 569 static ACPI_STATUS
 570 AcpiDbWalkForSpecificObjects (
 571     ACPI_HANDLE             ObjHandle,
 572     UINT32                  NestingLevel,
 573     void                    *Context,
 574     void                    **ReturnValue)
 575 {
 576     ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
 577     ACPI_BUFFER             Buffer;
 578     ACPI_STATUS             Status;
 579 
 580 
 581     Info->Count++;
 582 
 583     /* Get and display the full pathname to this object */
 584 
 585     Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
 586     Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
 587     if (ACPI_FAILURE (Status))
 588     {
 589         AcpiOsPrintf ("Could Not get pathname for object %p\n", ObjHandle);
 590         return (AE_OK);
 591     }
 592 
 593     AcpiOsPrintf ("%32s", (char *) Buffer.Pointer);
 594     ACPI_FREE (Buffer.Pointer);
 595 
 596     /* Dump short info about the object */
 597 
 598     (void) AcpiNsDumpOneObject (ObjHandle, NestingLevel, Info, NULL);
 599     return (AE_OK);
 600 }
 601 
 602 
 603 /*******************************************************************************
 604  *
 605  * FUNCTION:    AcpiDbDisplayObjects
 606  *
 607  * PARAMETERS:  ObjTypeArg          - Type of object to display
 608  *              DisplayCountArg     - Max depth to display
 609  *
 610  * RETURN:      None
 611  *
 612  * DESCRIPTION: Display objects in the namespace of the requested type
 613  *
 614  ******************************************************************************/
 615 
 616 ACPI_STATUS
 617 AcpiDbDisplayObjects (
 618     char                    *ObjTypeArg,
 619     char                    *DisplayCountArg)
 620 {
 621     ACPI_WALK_INFO          Info;
 622     ACPI_OBJECT_TYPE        Type;
 623 
 624 
 625     /* Get the object type */
 626 
 627     Type = AcpiDbMatchArgument (ObjTypeArg, AcpiDbObjectTypes);
 628     if (Type == ACPI_TYPE_NOT_FOUND)
 629     {
 630         AcpiOsPrintf ("Invalid or unsupported argument\n");
 631         return (AE_OK);
 632     }
 633 
 634     AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
 635     AcpiOsPrintf (
 636         "Objects of type [%s] defined in the current ACPI Namespace:\n",
 637         AcpiUtGetTypeName (Type));
 638 
 639     AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
 640 
 641     Info.Count = 0;
 642     Info.OwnerId = ACPI_OWNER_ID_MAX;
 643     Info.DebugLevel = ACPI_UINT32_MAX;
 644     Info.DisplayType = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT;
 645 
 646     /* Walk the namespace from the root */
 647 
 648     (void) AcpiWalkNamespace (Type, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 649                 AcpiDbWalkForSpecificObjects, NULL, (void *) &Info, NULL);
 650 
 651     AcpiOsPrintf (
 652         "\nFound %u objects of type [%s] in the current ACPI Namespace\n",
 653         Info.Count, AcpiUtGetTypeName (Type));
 654 
 655     AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
 656     return (AE_OK);
 657 }
 658 
 659 
 660 /*******************************************************************************
 661  *
 662  * FUNCTION:    AcpiDbIntegrityWalk
 663  *
 664  * PARAMETERS:  Callback from WalkNamespace
 665  *
 666  * RETURN:      Status
 667  *
 668  * DESCRIPTION: Examine one NS node for valid values.
 669  *
 670  ******************************************************************************/
 671 
 672 static ACPI_STATUS
 673 AcpiDbIntegrityWalk (
 674     ACPI_HANDLE             ObjHandle,
 675     UINT32                  NestingLevel,
 676     void                    *Context,
 677     void                    **ReturnValue)
 678 {
 679     ACPI_INTEGRITY_INFO     *Info = (ACPI_INTEGRITY_INFO *) Context;
 680     ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
 681     ACPI_OPERAND_OBJECT     *Object;
 682     BOOLEAN                 Alias = TRUE;
 683 
 684 
 685     Info->Nodes++;
 686 
 687     /* Verify the NS node, and dereference aliases */
 688 
 689     while (Alias)
 690     {
 691         if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
 692         {
 693             AcpiOsPrintf ("Invalid Descriptor Type for Node %p [%s] - is %2.2X should be %2.2X\n",
 694                 Node, AcpiUtGetDescriptorName (Node), ACPI_GET_DESCRIPTOR_TYPE (Node),
 695                 ACPI_DESC_TYPE_NAMED);
 696             return (AE_OK);
 697         }
 698 
 699         if ((Node->Type == ACPI_TYPE_LOCAL_ALIAS)  ||
 700             (Node->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS))
 701         {
 702             Node = (ACPI_NAMESPACE_NODE *) Node->Object;
 703         }
 704         else
 705         {
 706             Alias = FALSE;
 707         }
 708     }
 709 
 710     if (Node->Type > ACPI_TYPE_LOCAL_MAX)
 711     {
 712         AcpiOsPrintf ("Invalid Object Type for Node %p, Type = %X\n",
 713             Node, Node->Type);
 714         return (AE_OK);
 715     }
 716 
 717     if (!AcpiUtValidAcpiName (Node->Name.Ascii))
 718     {
 719         AcpiOsPrintf ("Invalid AcpiName for Node %p\n", Node);
 720         return (AE_OK);
 721     }
 722 
 723     Object = AcpiNsGetAttachedObject (Node);
 724     if (Object)
 725     {
 726         Info->Objects++;
 727         if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
 728         {
 729             AcpiOsPrintf ("Invalid Descriptor Type for Object %p [%s]\n",
 730                 Object, AcpiUtGetDescriptorName (Object));
 731         }
 732     }
 733 
 734     return (AE_OK);
 735 }
 736 
 737 
 738 /*******************************************************************************
 739  *
 740  * FUNCTION:    AcpiDbCheckIntegrity
 741  *
 742  * PARAMETERS:  None
 743  *
 744  * RETURN:      None
 745  *
 746  * DESCRIPTION: Check entire namespace for data structure integrity
 747  *
 748  ******************************************************************************/
 749 
 750 void
 751 AcpiDbCheckIntegrity (
 752     void)
 753 {
 754     ACPI_INTEGRITY_INFO     Info = {0,0};
 755 
 756     /* Search all nodes in namespace */
 757 
 758     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 759                     AcpiDbIntegrityWalk, NULL, (void *) &Info, NULL);
 760 
 761     AcpiOsPrintf ("Verified %u namespace nodes with %u Objects\n",
 762         Info.Nodes, Info.Objects);
 763 }
 764 
 765 
 766 /*******************************************************************************
 767  *
 768  * FUNCTION:    AcpiDbWalkForReferences
 769  *
 770  * PARAMETERS:  Callback from WalkNamespace
 771  *
 772  * RETURN:      Status
 773  *
 774  * DESCRIPTION: Check if this namespace object refers to the target object
 775  *              that is passed in as the context value.
 776  *
 777  * Note: Currently doesn't check subobjects within the Node's object
 778  *
 779  ******************************************************************************/
 780 
 781 static ACPI_STATUS
 782 AcpiDbWalkForReferences (
 783     ACPI_HANDLE             ObjHandle,
 784     UINT32                  NestingLevel,
 785     void                    *Context,
 786     void                    **ReturnValue)
 787 {
 788     ACPI_OPERAND_OBJECT     *ObjDesc = (ACPI_OPERAND_OBJECT  *) Context;
 789     ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
 790 
 791 
 792     /* Check for match against the namespace node itself */
 793 
 794     if (Node == (void *) ObjDesc)
 795     {
 796         AcpiOsPrintf ("Object is a Node [%4.4s]\n",
 797             AcpiUtGetNodeName (Node));
 798     }
 799 
 800     /* Check for match against the object attached to the node */
 801 
 802     if (AcpiNsGetAttachedObject (Node) == ObjDesc)
 803     {
 804         AcpiOsPrintf ("Reference at Node->Object %p [%4.4s]\n",
 805             Node, AcpiUtGetNodeName (Node));
 806     }
 807 
 808     return (AE_OK);
 809 }
 810 
 811 
 812 /*******************************************************************************
 813  *
 814  * FUNCTION:    AcpiDbFindReferences
 815  *
 816  * PARAMETERS:  ObjectArg       - String with hex value of the object
 817  *
 818  * RETURN:      None
 819  *
 820  * DESCRIPTION: Search namespace for all references to the input object
 821  *
 822  ******************************************************************************/
 823 
 824 void
 825 AcpiDbFindReferences (
 826     char                    *ObjectArg)
 827 {
 828     ACPI_OPERAND_OBJECT     *ObjDesc;
 829     ACPI_SIZE               Address;
 830 
 831 
 832     /* Convert string to object pointer */
 833 
 834     Address = ACPI_STRTOUL (ObjectArg, NULL, 16);
 835     ObjDesc = ACPI_TO_POINTER (Address);
 836 
 837     /* Search all nodes in namespace */
 838 
 839     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 840                     AcpiDbWalkForReferences, NULL, (void *) ObjDesc, NULL);
 841 }
 842 
 843 
 844 /*******************************************************************************
 845  *
 846  * FUNCTION:    AcpiDbBusWalk
 847  *
 848  * PARAMETERS:  Callback from WalkNamespace
 849  *
 850  * RETURN:      Status
 851  *
 852  * DESCRIPTION: Display info about device objects that have a corresponding
 853  *              _PRT method.
 854  *
 855  ******************************************************************************/
 856 
 857 static ACPI_STATUS
 858 AcpiDbBusWalk (
 859     ACPI_HANDLE             ObjHandle,
 860     UINT32                  NestingLevel,
 861     void                    *Context,
 862     void                    **ReturnValue)
 863 {
 864     ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
 865     ACPI_STATUS             Status;
 866     ACPI_BUFFER             Buffer;
 867     ACPI_NAMESPACE_NODE     *TempNode;
 868     ACPI_DEVICE_INFO        *Info;
 869     UINT32                  i;
 870 
 871 
 872     if ((Node->Type != ACPI_TYPE_DEVICE) &&
 873         (Node->Type != ACPI_TYPE_PROCESSOR))
 874     {
 875         return (AE_OK);
 876     }
 877 
 878     /* Exit if there is no _PRT under this device */
 879 
 880     Status = AcpiGetHandle (Node, METHOD_NAME__PRT,
 881                 ACPI_CAST_PTR (ACPI_HANDLE, &TempNode));
 882     if (ACPI_FAILURE (Status))
 883     {
 884         return (AE_OK);
 885     }
 886 
 887     /* Get the full path to this device object */
 888 
 889     Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
 890     Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
 891     if (ACPI_FAILURE (Status))
 892     {
 893         AcpiOsPrintf ("Could Not get pathname for object %p\n", ObjHandle);
 894         return (AE_OK);
 895     }
 896 
 897     Status = AcpiGetObjectInfo (ObjHandle, &Info);
 898     if (ACPI_FAILURE (Status))
 899     {
 900         return (AE_OK);
 901     }
 902 
 903     /* Display the full path */
 904 
 905     AcpiOsPrintf ("%-32s Type %X", (char *) Buffer.Pointer, Node->Type);
 906     ACPI_FREE (Buffer.Pointer);
 907 
 908     if (Info->Flags & ACPI_PCI_ROOT_BRIDGE)
 909     {
 910         AcpiOsPrintf ("  - Is PCI Root Bridge");
 911     }
 912     AcpiOsPrintf ("\n");
 913 
 914     /* _PRT info */
 915 
 916     AcpiOsPrintf ("_PRT: %p\n", TempNode);
 917 
 918     /* Dump _ADR, _HID, _UID, _CID */
 919 
 920     if (Info->Valid & ACPI_VALID_ADR)
 921     {
 922         AcpiOsPrintf ("_ADR: %8.8X%8.8X\n", ACPI_FORMAT_UINT64 (Info->Address));
 923     }
 924     else
 925     {
 926         AcpiOsPrintf ("_ADR: <Not Present>\n");
 927     }
 928 
 929     if (Info->Valid & ACPI_VALID_HID)
 930     {
 931         AcpiOsPrintf ("_HID: %s\n", Info->HardwareId.String);
 932     }
 933     else
 934     {
 935         AcpiOsPrintf ("_HID: <Not Present>\n");
 936     }
 937 
 938     if (Info->Valid & ACPI_VALID_UID)
 939     {
 940         AcpiOsPrintf ("_UID: %s\n", Info->UniqueId.String);
 941     }
 942     else
 943     {
 944         AcpiOsPrintf ("_UID: <Not Present>\n");
 945     }
 946 
 947     if (Info->Valid & ACPI_VALID_CID)
 948     {
 949         for (i = 0; i < Info->CompatibleIdList.Count; i++)
 950         {
 951             AcpiOsPrintf ("_CID: %s\n",
 952                 Info->CompatibleIdList.Ids[i].String);
 953         }
 954     }
 955     else
 956     {
 957         AcpiOsPrintf ("_CID: <Not Present>\n");
 958     }
 959 
 960     ACPI_FREE (Info);
 961     return (AE_OK);
 962 }
 963 
 964 
 965 /*******************************************************************************
 966  *
 967  * FUNCTION:    AcpiDbGetBusInfo
 968  *
 969  * PARAMETERS:  None
 970  *
 971  * RETURN:      None
 972  *
 973  * DESCRIPTION: Display info about system busses.
 974  *
 975  ******************************************************************************/
 976 
 977 void
 978 AcpiDbGetBusInfo (
 979     void)
 980 {
 981     /* Search all nodes in namespace */
 982 
 983     (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
 984                     AcpiDbBusWalk, NULL, NULL, NULL);
 985 }
 986 
 987 #endif /* ACPI_DEBUGGER */