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nsdump.c revision 1.5.2.2
      1 /******************************************************************************
      2  *
      3  * Module Name: nsdump - table dumping routines for debug
      4  *
      5  *****************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2015, 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.h"
     45 #include "accommon.h"
     46 #include "acnamesp.h"
     47 #include "acoutput.h"
     48 
     49 
     50 #define _COMPONENT          ACPI_NAMESPACE
     51         ACPI_MODULE_NAME    ("nsdump")
     52 
     53 /* Local prototypes */
     54 
     55 #ifdef ACPI_OBSOLETE_FUNCTIONS
     56 void
     57 AcpiNsDumpRootDevices (
     58     void);
     59 
     60 static ACPI_STATUS
     61 AcpiNsDumpOneDevice (
     62     ACPI_HANDLE             ObjHandle,
     63     UINT32                  Level,
     64     void                    *Context,
     65     void                    **ReturnValue);
     66 #endif
     67 
     68 
     69 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
     70 
     71 static ACPI_STATUS
     72 AcpiNsDumpOneObjectPath (
     73     ACPI_HANDLE             ObjHandle,
     74     UINT32                  Level,
     75     void                    *Context,
     76     void                    **ReturnValue);
     77 
     78 static ACPI_STATUS
     79 AcpiNsGetMaxDepth (
     80     ACPI_HANDLE             ObjHandle,
     81     UINT32                  Level,
     82     void                    *Context,
     83     void                    **ReturnValue);
     84 
     85 
     86 /*******************************************************************************
     87  *
     88  * FUNCTION:    AcpiNsPrintPathname
     89  *
     90  * PARAMETERS:  NumSegments         - Number of ACPI name segments
     91  *              Pathname            - The compressed (internal) path
     92  *
     93  * RETURN:      None
     94  *
     95  * DESCRIPTION: Print an object's full namespace pathname
     96  *
     97  ******************************************************************************/
     98 
     99 void
    100 AcpiNsPrintPathname (
    101     UINT32                  NumSegments,
    102     char                    *Pathname)
    103 {
    104     UINT32                  i;
    105 
    106 
    107     ACPI_FUNCTION_NAME (NsPrintPathname);
    108 
    109 
    110     /* Check if debug output enabled */
    111 
    112     if (!ACPI_IS_DEBUG_ENABLED (ACPI_LV_NAMES, ACPI_NAMESPACE))
    113     {
    114         return;
    115     }
    116 
    117     /* Print the entire name */
    118 
    119     ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
    120 
    121     while (NumSegments)
    122     {
    123         for (i = 0; i < 4; i++)
    124         {
    125             isprint ((int) Pathname[i]) ?
    126                 AcpiOsPrintf ("%c", Pathname[i]) :
    127                 AcpiOsPrintf ("?");
    128         }
    129 
    130         Pathname += ACPI_NAME_SIZE;
    131         NumSegments--;
    132         if (NumSegments)
    133         {
    134             AcpiOsPrintf (".");
    135         }
    136     }
    137 
    138     AcpiOsPrintf ("]\n");
    139 }
    140 
    141 
    142 /*******************************************************************************
    143  *
    144  * FUNCTION:    AcpiNsDumpPathname
    145  *
    146  * PARAMETERS:  Handle              - Object
    147  *              Msg                 - Prefix message
    148  *              Level               - Desired debug level
    149  *              Component           - Caller's component ID
    150  *
    151  * RETURN:      None
    152  *
    153  * DESCRIPTION: Print an object's full namespace pathname
    154  *              Manages allocation/freeing of a pathname buffer
    155  *
    156  ******************************************************************************/
    157 
    158 void
    159 AcpiNsDumpPathname (
    160     ACPI_HANDLE             Handle,
    161     const char              *Msg,
    162     UINT32                  Level,
    163     UINT32                  Component)
    164 {
    165 
    166     ACPI_FUNCTION_TRACE (NsDumpPathname);
    167 
    168 
    169     /* Do this only if the requested debug level and component are enabled */
    170 
    171     if (!ACPI_IS_DEBUG_ENABLED (Level, Component))
    172     {
    173         return_VOID;
    174     }
    175 
    176     /* Convert handle to a full pathname and print it (with supplied message) */
    177 
    178     AcpiNsPrintNodePathname (Handle, Msg);
    179     AcpiOsPrintf ("\n");
    180     return_VOID;
    181 }
    182 
    183 
    184 /*******************************************************************************
    185  *
    186  * FUNCTION:    AcpiNsDumpOneObject
    187  *
    188  * PARAMETERS:  ObjHandle           - Node to be dumped
    189  *              Level               - Nesting level of the handle
    190  *              Context             - Passed into WalkNamespace
    191  *              ReturnValue         - Not used
    192  *
    193  * RETURN:      Status
    194  *
    195  * DESCRIPTION: Dump a single Node
    196  *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
    197  *
    198  ******************************************************************************/
    199 
    200 ACPI_STATUS
    201 AcpiNsDumpOneObject (
    202     ACPI_HANDLE             ObjHandle,
    203     UINT32                  Level,
    204     void                    *Context,
    205     void                    **ReturnValue)
    206 {
    207     ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
    208     ACPI_NAMESPACE_NODE     *ThisNode;
    209     ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
    210     ACPI_OBJECT_TYPE        ObjType;
    211     ACPI_OBJECT_TYPE        Type;
    212     UINT32                  BytesToDump;
    213     UINT32                  DbgLevel;
    214     UINT32                  i;
    215 
    216 
    217     ACPI_FUNCTION_NAME (NsDumpOneObject);
    218 
    219 
    220     /* Is output enabled? */
    221 
    222     if (!(AcpiDbgLevel & Info->DebugLevel))
    223     {
    224         return (AE_OK);
    225     }
    226 
    227     if (!ObjHandle)
    228     {
    229         ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
    230         return (AE_OK);
    231     }
    232 
    233     ThisNode = AcpiNsValidateHandle (ObjHandle);
    234     if (!ThisNode)
    235     {
    236         ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Invalid object handle %p\n",
    237             ObjHandle));
    238         return (AE_OK);
    239     }
    240 
    241     Type = ThisNode->Type;
    242 
    243     /* Check if the owner matches */
    244 
    245     if ((Info->OwnerId != ACPI_OWNER_ID_MAX) &&
    246         (Info->OwnerId != ThisNode->OwnerId))
    247     {
    248         return (AE_OK);
    249     }
    250 
    251     if (!(Info->DisplayType & ACPI_DISPLAY_SHORT))
    252     {
    253         /* Indent the object according to the level */
    254 
    255         AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");
    256 
    257         /* Check the node type and name */
    258 
    259         if (Type > ACPI_TYPE_LOCAL_MAX)
    260         {
    261             ACPI_WARNING ((AE_INFO, "Invalid ACPI Object Type 0x%08X", Type));
    262         }
    263 
    264         AcpiOsPrintf ("%4.4s", AcpiUtGetNodeName (ThisNode));
    265     }
    266 
    267     /* Now we can print out the pertinent information */
    268 
    269     AcpiOsPrintf (" %-12s %p %2.2X ",
    270             AcpiUtGetTypeName (Type), ThisNode, ThisNode->OwnerId);
    271 
    272     DbgLevel = AcpiDbgLevel;
    273     AcpiDbgLevel = 0;
    274     ObjDesc = AcpiNsGetAttachedObject (ThisNode);
    275     AcpiDbgLevel = DbgLevel;
    276 
    277     /* Temp nodes are those nodes created by a control method */
    278 
    279     if (ThisNode->Flags & ANOBJ_TEMPORARY)
    280     {
    281         AcpiOsPrintf ("(T) ");
    282     }
    283 
    284     switch (Info->DisplayType & ACPI_DISPLAY_MASK)
    285     {
    286     case ACPI_DISPLAY_SUMMARY:
    287 
    288         if (!ObjDesc)
    289         {
    290             /* No attached object. Some types should always have an object */
    291 
    292             switch (Type)
    293             {
    294             case ACPI_TYPE_INTEGER:
    295             case ACPI_TYPE_PACKAGE:
    296             case ACPI_TYPE_BUFFER:
    297             case ACPI_TYPE_STRING:
    298             case ACPI_TYPE_METHOD:
    299 
    300                 AcpiOsPrintf ("<No attached object>");
    301                 break;
    302 
    303             default:
    304 
    305                 break;
    306             }
    307 
    308             AcpiOsPrintf ("\n");
    309             return (AE_OK);
    310         }
    311 
    312         switch (Type)
    313         {
    314         case ACPI_TYPE_PROCESSOR:
    315 
    316             AcpiOsPrintf ("ID %02X Len %02X Addr %8.8X%8.8X\n",
    317                 ObjDesc->Processor.ProcId, ObjDesc->Processor.Length,
    318                 ACPI_FORMAT_UINT64 (ObjDesc->Processor.Address));
    319             break;
    320 
    321         case ACPI_TYPE_DEVICE:
    322 
    323             AcpiOsPrintf ("Notify Object: %p\n", ObjDesc);
    324             break;
    325 
    326         case ACPI_TYPE_METHOD:
    327 
    328             AcpiOsPrintf ("Args %X Len %.4X Aml %p\n",
    329                 (UINT32) ObjDesc->Method.ParamCount,
    330                 ObjDesc->Method.AmlLength, ObjDesc->Method.AmlStart);
    331             break;
    332 
    333         case ACPI_TYPE_INTEGER:
    334 
    335             AcpiOsPrintf ("= %8.8X%8.8X\n",
    336                 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
    337             break;
    338 
    339         case ACPI_TYPE_PACKAGE:
    340 
    341             if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    342             {
    343                 AcpiOsPrintf ("Elements %.2X\n",
    344                     ObjDesc->Package.Count);
    345             }
    346             else
    347             {
    348                 AcpiOsPrintf ("[Length not yet evaluated]\n");
    349             }
    350             break;
    351 
    352         case ACPI_TYPE_BUFFER:
    353 
    354             if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    355             {
    356                 AcpiOsPrintf ("Len %.2X",
    357                             ObjDesc->Buffer.Length);
    358 
    359                 /* Dump some of the buffer */
    360 
    361                 if (ObjDesc->Buffer.Length > 0)
    362                 {
    363                     AcpiOsPrintf (" =");
    364                     for (i = 0; (i < ObjDesc->Buffer.Length && i < 12); i++)
    365                     {
    366                         AcpiOsPrintf (" %.2hX", ObjDesc->Buffer.Pointer[i]);
    367                     }
    368                 }
    369                 AcpiOsPrintf ("\n");
    370             }
    371             else
    372             {
    373                 AcpiOsPrintf ("[Length not yet evaluated]\n");
    374             }
    375             break;
    376 
    377         case ACPI_TYPE_STRING:
    378 
    379             AcpiOsPrintf ("Len %.2X ", ObjDesc->String.Length);
    380             AcpiUtPrintString (ObjDesc->String.Pointer, 32);
    381             AcpiOsPrintf ("\n");
    382             break;
    383 
    384         case ACPI_TYPE_REGION:
    385 
    386             AcpiOsPrintf ("[%s]",
    387                 AcpiUtGetRegionName (ObjDesc->Region.SpaceId));
    388             if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
    389             {
    390                 AcpiOsPrintf (" Addr %8.8X%8.8X Len %.4X\n",
    391                     ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
    392                     ObjDesc->Region.Length);
    393             }
    394             else
    395             {
    396                 AcpiOsPrintf (" [Address/Length not yet evaluated]\n");
    397             }
    398             break;
    399 
    400         case ACPI_TYPE_LOCAL_REFERENCE:
    401 
    402             AcpiOsPrintf ("[%s]\n", AcpiUtGetReferenceName (ObjDesc));
    403             break;
    404 
    405         case ACPI_TYPE_BUFFER_FIELD:
    406 
    407             if (ObjDesc->BufferField.BufferObj &&
    408                 ObjDesc->BufferField.BufferObj->Buffer.Node)
    409             {
    410                 AcpiOsPrintf ("Buf [%4.4s]",
    411                     AcpiUtGetNodeName (
    412                         ObjDesc->BufferField.BufferObj->Buffer.Node));
    413             }
    414             break;
    415 
    416         case ACPI_TYPE_LOCAL_REGION_FIELD:
    417 
    418             AcpiOsPrintf ("Rgn [%4.4s]",
    419                 AcpiUtGetNodeName (
    420                     ObjDesc->CommonField.RegionObj->Region.Node));
    421             break;
    422 
    423         case ACPI_TYPE_LOCAL_BANK_FIELD:
    424 
    425             AcpiOsPrintf ("Rgn [%4.4s] Bnk [%4.4s]",
    426                 AcpiUtGetNodeName (
    427                     ObjDesc->CommonField.RegionObj->Region.Node),
    428                 AcpiUtGetNodeName (
    429                     ObjDesc->BankField.BankObj->CommonField.Node));
    430             break;
    431 
    432         case ACPI_TYPE_LOCAL_INDEX_FIELD:
    433 
    434             AcpiOsPrintf ("Idx [%4.4s] Dat [%4.4s]",
    435                 AcpiUtGetNodeName (
    436                     ObjDesc->IndexField.IndexObj->CommonField.Node),
    437                 AcpiUtGetNodeName (
    438                     ObjDesc->IndexField.DataObj->CommonField.Node));
    439             break;
    440 
    441         case ACPI_TYPE_LOCAL_ALIAS:
    442         case ACPI_TYPE_LOCAL_METHOD_ALIAS:
    443 
    444             AcpiOsPrintf ("Target %4.4s (%p)\n",
    445                 AcpiUtGetNodeName (ObjDesc), ObjDesc);
    446             break;
    447 
    448         default:
    449 
    450             AcpiOsPrintf ("Object %p\n", ObjDesc);
    451             break;
    452         }
    453 
    454         /* Common field handling */
    455 
    456         switch (Type)
    457         {
    458         case ACPI_TYPE_BUFFER_FIELD:
    459         case ACPI_TYPE_LOCAL_REGION_FIELD:
    460         case ACPI_TYPE_LOCAL_BANK_FIELD:
    461         case ACPI_TYPE_LOCAL_INDEX_FIELD:
    462 
    463             AcpiOsPrintf (" Off %.3X Len %.2X Acc %.2hd\n",
    464                 (ObjDesc->CommonField.BaseByteOffset * 8)
    465                     + ObjDesc->CommonField.StartFieldBitOffset,
    466                 ObjDesc->CommonField.BitLength,
    467                 ObjDesc->CommonField.AccessByteWidth);
    468             break;
    469 
    470         default:
    471 
    472             break;
    473         }
    474         break;
    475 
    476     case ACPI_DISPLAY_OBJECTS:
    477 
    478         AcpiOsPrintf ("O:%p", ObjDesc);
    479         if (!ObjDesc)
    480         {
    481             /* No attached object, we are done */
    482 
    483             AcpiOsPrintf ("\n");
    484             return (AE_OK);
    485         }
    486 
    487         AcpiOsPrintf ("(R%u)", ObjDesc->Common.ReferenceCount);
    488 
    489         switch (Type)
    490         {
    491         case ACPI_TYPE_METHOD:
    492 
    493             /* Name is a Method and its AML offset/length are set */
    494 
    495             AcpiOsPrintf (" M:%p-%X\n", ObjDesc->Method.AmlStart,
    496                 ObjDesc->Method.AmlLength);
    497             break;
    498 
    499         case ACPI_TYPE_INTEGER:
    500 
    501             AcpiOsPrintf (" I:%8.8X8.8%X\n",
    502                 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
    503             break;
    504 
    505         case ACPI_TYPE_STRING:
    506 
    507             AcpiOsPrintf (" S:%p-%X\n", ObjDesc->String.Pointer,
    508                 ObjDesc->String.Length);
    509             break;
    510 
    511         case ACPI_TYPE_BUFFER:
    512 
    513             AcpiOsPrintf (" B:%p-%X\n", ObjDesc->Buffer.Pointer,
    514                 ObjDesc->Buffer.Length);
    515             break;
    516 
    517         default:
    518 
    519             AcpiOsPrintf ("\n");
    520             break;
    521         }
    522         break;
    523 
    524     default:
    525         AcpiOsPrintf ("\n");
    526         break;
    527     }
    528 
    529     /* If debug turned off, done */
    530 
    531     if (!(AcpiDbgLevel & ACPI_LV_VALUES))
    532     {
    533         return (AE_OK);
    534     }
    535 
    536     /* If there is an attached object, display it */
    537 
    538     DbgLevel     = AcpiDbgLevel;
    539     AcpiDbgLevel = 0;
    540     ObjDesc      = AcpiNsGetAttachedObject (ThisNode);
    541     AcpiDbgLevel = DbgLevel;
    542 
    543     /* Dump attached objects */
    544 
    545     while (ObjDesc)
    546     {
    547         ObjType = ACPI_TYPE_INVALID;
    548         AcpiOsPrintf ("Attached Object %p: ", ObjDesc);
    549 
    550         /* Decode the type of attached object and dump the contents */
    551 
    552         switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
    553         {
    554         case ACPI_DESC_TYPE_NAMED:
    555 
    556             AcpiOsPrintf ("(Ptr to Node)\n");
    557             BytesToDump = sizeof (ACPI_NAMESPACE_NODE);
    558             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
    559             break;
    560 
    561         case ACPI_DESC_TYPE_OPERAND:
    562 
    563             ObjType = ObjDesc->Common.Type;
    564 
    565             if (ObjType > ACPI_TYPE_LOCAL_MAX)
    566             {
    567                 AcpiOsPrintf ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
    568                     ObjType);
    569                 BytesToDump = 32;
    570             }
    571             else
    572             {
    573                 AcpiOsPrintf ("(Pointer to ACPI Object type %.2X [%s])\n",
    574                     ObjType, AcpiUtGetTypeName (ObjType));
    575                 BytesToDump = sizeof (ACPI_OPERAND_OBJECT);
    576             }
    577 
    578             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
    579             break;
    580 
    581         default:
    582 
    583             break;
    584         }
    585 
    586         /* If value is NOT an internal object, we are done */
    587 
    588         if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
    589         {
    590             goto Cleanup;
    591         }
    592 
    593         /* Valid object, get the pointer to next level, if any */
    594 
    595         switch (ObjType)
    596         {
    597         case ACPI_TYPE_BUFFER:
    598         case ACPI_TYPE_STRING:
    599             /*
    600              * NOTE: takes advantage of common fields between string/buffer
    601              */
    602             BytesToDump = ObjDesc->String.Length;
    603             ObjDesc = (void *) ObjDesc->String.Pointer;
    604             AcpiOsPrintf ( "(Buffer/String pointer %p length %X)\n",
    605                 ObjDesc, BytesToDump);
    606             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
    607             goto Cleanup;
    608 
    609         case ACPI_TYPE_BUFFER_FIELD:
    610 
    611             ObjDesc = (ACPI_OPERAND_OBJECT *) ObjDesc->BufferField.BufferObj;
    612             break;
    613 
    614         case ACPI_TYPE_PACKAGE:
    615 
    616             ObjDesc = (void *) ObjDesc->Package.Elements;
    617             break;
    618 
    619         case ACPI_TYPE_METHOD:
    620 
    621             ObjDesc = (void *) ObjDesc->Method.AmlStart;
    622             break;
    623 
    624         case ACPI_TYPE_LOCAL_REGION_FIELD:
    625 
    626             ObjDesc = (void *) ObjDesc->Field.RegionObj;
    627             break;
    628 
    629         case ACPI_TYPE_LOCAL_BANK_FIELD:
    630 
    631             ObjDesc = (void *) ObjDesc->BankField.RegionObj;
    632             break;
    633 
    634         case ACPI_TYPE_LOCAL_INDEX_FIELD:
    635 
    636             ObjDesc = (void *) ObjDesc->IndexField.IndexObj;
    637             break;
    638 
    639         default:
    640 
    641             goto Cleanup;
    642         }
    643 
    644         ObjType = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
    645     }
    646 
    647 Cleanup:
    648     AcpiOsPrintf ("\n");
    649     return (AE_OK);
    650 }
    651 
    652 
    653 /*******************************************************************************
    654  *
    655  * FUNCTION:    AcpiNsDumpObjects
    656  *
    657  * PARAMETERS:  Type                - Object type to be dumped
    658  *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
    659  *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
    660  *                                    for an effectively unlimited depth.
    661  *              OwnerId             - Dump only objects owned by this ID. Use
    662  *                                    ACPI_UINT32_MAX to match all owners.
    663  *              StartHandle         - Where in namespace to start/end search
    664  *
    665  * RETURN:      None
    666  *
    667  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
    668  *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObject.
    669  *
    670  ******************************************************************************/
    671 
    672 void
    673 AcpiNsDumpObjects (
    674     ACPI_OBJECT_TYPE        Type,
    675     UINT8                   DisplayType,
    676     UINT32                  MaxDepth,
    677     ACPI_OWNER_ID           OwnerId,
    678     ACPI_HANDLE             StartHandle)
    679 {
    680     ACPI_WALK_INFO          Info;
    681     ACPI_STATUS             Status;
    682 
    683 
    684     ACPI_FUNCTION_ENTRY ();
    685 
    686 
    687     /*
    688      * Just lock the entire namespace for the duration of the dump.
    689      * We don't want any changes to the namespace during this time,
    690      * especially the temporary nodes since we are going to display
    691      * them also.
    692      */
    693     Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    694     if (ACPI_FAILURE (Status))
    695     {
    696         AcpiOsPrintf ("Could not acquire namespace mutex\n");
    697         return;
    698     }
    699 
    700     Info.DebugLevel = ACPI_LV_TABLES;
    701     Info.OwnerId = OwnerId;
    702     Info.DisplayType = DisplayType;
    703 
    704     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
    705                 ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
    706                 AcpiNsDumpOneObject, NULL, (void *) &Info, NULL);
    707 
    708     (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
    709 }
    710 
    711 
    712 /*******************************************************************************
    713  *
    714  * FUNCTION:    AcpiNsDumpOneObjectPath, AcpiNsGetMaxDepth
    715  *
    716  * PARAMETERS:  ObjHandle           - Node to be dumped
    717  *              Level               - Nesting level of the handle
    718  *              Context             - Passed into WalkNamespace
    719  *              ReturnValue         - Not used
    720  *
    721  * RETURN:      Status
    722  *
    723  * DESCRIPTION: Dump the full pathname to a namespace object. AcpNsGetMaxDepth
    724  *              computes the maximum nesting depth in the namespace tree, in
    725  *              order to simplify formatting in AcpiNsDumpOneObjectPath.
    726  *              These procedures are UserFunctions called by AcpiNsWalkNamespace.
    727  *
    728  ******************************************************************************/
    729 
    730 static ACPI_STATUS
    731 AcpiNsDumpOneObjectPath (
    732     ACPI_HANDLE             ObjHandle,
    733     UINT32                  Level,
    734     void                    *Context,
    735     void                    **ReturnValue)
    736 {
    737     UINT32                  MaxLevel = *((UINT32 *) Context);
    738     char                    *Pathname;
    739     ACPI_NAMESPACE_NODE     *Node;
    740     int                     PathIndent;
    741 
    742 
    743     if (!ObjHandle)
    744     {
    745         return (AE_OK);
    746     }
    747 
    748     Node = AcpiNsValidateHandle (ObjHandle);
    749     if (!Node)
    750     {
    751         /* Ignore bad node during namespace walk */
    752 
    753         return (AE_OK);
    754     }
    755 
    756     Pathname = AcpiNsGetExternalPathname (Node);
    757 
    758     PathIndent = 1;
    759     if (Level <= MaxLevel)
    760     {
    761         PathIndent = MaxLevel - Level + 1;
    762     }
    763 
    764     AcpiOsPrintf ("%2d%*s%-12s%*s",
    765         Level, Level, " ", AcpiUtGetTypeName (Node->Type),
    766         PathIndent, " ");
    767 
    768     AcpiOsPrintf ("%s\n", &Pathname[1]);
    769     ACPI_FREE (Pathname);
    770     return (AE_OK);
    771 }
    772 
    773 
    774 static ACPI_STATUS
    775 AcpiNsGetMaxDepth (
    776     ACPI_HANDLE             ObjHandle,
    777     UINT32                  Level,
    778     void                    *Context,
    779     void                    **ReturnValue)
    780 {
    781     UINT32                  *MaxLevel = (UINT32 *) Context;
    782 
    783 
    784     if (Level > *MaxLevel)
    785     {
    786         *MaxLevel = Level;
    787     }
    788     return (AE_OK);
    789 }
    790 
    791 
    792 /*******************************************************************************
    793  *
    794  * FUNCTION:    AcpiNsDumpObjectPaths
    795  *
    796  * PARAMETERS:  Type                - Object type to be dumped
    797  *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
    798  *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
    799  *                                    for an effectively unlimited depth.
    800  *              OwnerId             - Dump only objects owned by this ID. Use
    801  *                                    ACPI_UINT32_MAX to match all owners.
    802  *              StartHandle         - Where in namespace to start/end search
    803  *
    804  * RETURN:      None
    805  *
    806  * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
    807  *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObjectPath.
    808  *
    809  ******************************************************************************/
    810 
    811 void
    812 AcpiNsDumpObjectPaths (
    813     ACPI_OBJECT_TYPE        Type,
    814     UINT8                   DisplayType,
    815     UINT32                  MaxDepth,
    816     ACPI_OWNER_ID           OwnerId,
    817     ACPI_HANDLE             StartHandle)
    818 {
    819     ACPI_STATUS             Status;
    820     UINT32                  MaxLevel = 0;
    821 
    822 
    823     ACPI_FUNCTION_ENTRY ();
    824 
    825 
    826     /*
    827      * Just lock the entire namespace for the duration of the dump.
    828      * We don't want any changes to the namespace during this time,
    829      * especially the temporary nodes since we are going to display
    830      * them also.
    831      */
    832     Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
    833     if (ACPI_FAILURE (Status))
    834     {
    835         AcpiOsPrintf ("Could not acquire namespace mutex\n");
    836         return;
    837     }
    838 
    839     /* Get the max depth of the namespace tree, for formatting later */
    840 
    841     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
    842                 ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
    843                 AcpiNsGetMaxDepth, NULL, (void *) &MaxLevel, NULL);
    844 
    845     /* Now dump the entire namespace */
    846 
    847     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
    848                 ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
    849                 AcpiNsDumpOneObjectPath, NULL, (void *) &MaxLevel, NULL);
    850 
    851     (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
    852 }
    853 
    854 
    855 /*******************************************************************************
    856  *
    857  * FUNCTION:    AcpiNsDumpEntry
    858  *
    859  * PARAMETERS:  Handle              - Node to be dumped
    860  *              DebugLevel          - Output level
    861  *
    862  * RETURN:      None
    863  *
    864  * DESCRIPTION: Dump a single Node
    865  *
    866  ******************************************************************************/
    867 
    868 void
    869 AcpiNsDumpEntry (
    870     ACPI_HANDLE             Handle,
    871     UINT32                  DebugLevel)
    872 {
    873     ACPI_WALK_INFO          Info;
    874 
    875 
    876     ACPI_FUNCTION_ENTRY ();
    877 
    878 
    879     Info.DebugLevel = DebugLevel;
    880     Info.OwnerId = ACPI_OWNER_ID_MAX;
    881     Info.DisplayType = ACPI_DISPLAY_SUMMARY;
    882 
    883     (void) AcpiNsDumpOneObject (Handle, 1, &Info, NULL);
    884 }
    885 
    886 
    887 #ifdef ACPI_ASL_COMPILER
    888 /*******************************************************************************
    889  *
    890  * FUNCTION:    AcpiNsDumpTables
    891  *
    892  * PARAMETERS:  SearchBase          - Root of subtree to be dumped, or
    893  *                                    NS_ALL to dump the entire namespace
    894  *              MaxDepth            - Maximum depth of dump. Use INT_MAX
    895  *                                    for an effectively unlimited depth.
    896  *
    897  * RETURN:      None
    898  *
    899  * DESCRIPTION: Dump the name space, or a portion of it.
    900  *
    901  ******************************************************************************/
    902 
    903 void
    904 AcpiNsDumpTables (
    905     ACPI_HANDLE             SearchBase,
    906     UINT32                  MaxDepth)
    907 {
    908     ACPI_HANDLE             SearchHandle = SearchBase;
    909 
    910 
    911     ACPI_FUNCTION_TRACE (NsDumpTables);
    912 
    913 
    914     if (!AcpiGbl_RootNode)
    915     {
    916         /*
    917          * If the name space has not been initialized,
    918          * there is nothing to dump.
    919          */
    920         ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "namespace not initialized!\n"));
    921         return_VOID;
    922     }
    923 
    924     if (ACPI_NS_ALL == SearchBase)
    925     {
    926         /* Entire namespace */
    927 
    928         SearchHandle = AcpiGbl_RootNode;
    929         ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
    930     }
    931 
    932     AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, MaxDepth,
    933             ACPI_OWNER_ID_MAX, SearchHandle);
    934     return_VOID;
    935 }
    936 #endif
    937 #endif
    938