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/******************************************************************************

 *

 * Module Name: dsinit - Object initialization namespace walk

 *

 *****************************************************************************/

/******************************************************************************

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.

 * All rights reserved.

 *

 * 2. License

 *

 * 2.1. This is your license from Intel Corp. under its intellectual property

 * rights.  You may have additional license terms from the party that provided

 * you this software, covering your right to use that party's intellectual

 * property rights.

 *

 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a

 * copy of the source code appearing in this file ("Covered Code") an

 * irrevocable, perpetual, worldwide license under Intel's copyrights in the

 * base code distributed originally by Intel ("Original Intel Code") to copy,

 * make derivatives, distribute, use and display any portion of the Covered

 * Code in any form, with the right to sublicense such rights; and

 *

 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent

 * license (with the right to sublicense), under only those claims of Intel

 * patents that are infringed by the Original Intel Code, to make, use, sell,

 * offer to sell, and import the Covered Code and derivative works thereof

 * solely to the minimum extent necessary to exercise the above copyright

 * license, and in no event shall the patent license extend to any additions

 * to or modifications of the Original Intel Code.  No other license or right

 * is granted directly or by implication, estoppel or otherwise;

 *

 * The above copyright and patent license is granted only if the following

 * conditions are met:

 *

 * 3. Conditions

 *

 * 3.1. Redistribution of Source with Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification with rights to further distribute source must include

 * the above Copyright Notice, the above License, this list of Conditions,

 * and the following Disclaimer and Export Compliance provision.  In addition,

 * Licensee must cause all Covered Code to which Licensee contributes to

 * contain a file documenting the changes Licensee made to create that Covered

 * Code and the date of any change.  Licensee must include in that file the

 * documentation of any changes made by any predecessor Licensee.  Licensee

 * must include a prominent statement that the modification is derived,

 * directly or indirectly, from Original Intel Code.

 *

 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification without rights to further distribute source must

 * include the following Disclaimer and Export Compliance provision in the

 * documentation and/or other materials provided with distribution.  In

 * addition, Licensee may not authorize further sublicense of source of any

 * portion of the Covered Code, and must include terms to the effect that the

 * license from Licensee to its licensee is limited to the intellectual

 * property embodied in the software Licensee provides to its licensee, and

 * not to intellectual property embodied in modifications its licensee may

 * make.

 *

 * 3.3. Redistribution of Executable. Redistribution in executable form of any

 * substantial portion of the Covered Code or modification must reproduce the

 * above Copyright Notice, and the following Disclaimer and Export Compliance

 * provision in the documentation and/or other materials provided with the

 * distribution.

 *

 * 3.4. Intel retains all right, title, and interest in and to the Original

 * Intel Code.

 *

 * 3.5. Neither the name Intel nor any other trademark owned or controlled by

 * Intel shall be used in advertising or otherwise to promote the sale, use or

 * other dealings in products derived from or relating to the Covered Code

 * without prior written authorization from Intel.

 *

 * 4. Disclaimer and Export Compliance

 *

 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED

 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE

 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,

 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY

 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY

 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A

 * PARTICULAR PURPOSE.

 *

 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES

 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR

 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,

 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY

 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL

 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS

 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY

 * LIMITED REMEDY.

 *

 * 4.3. Licensee shall not export, either directly or indirectly, any of this

 * software or system incorporating such software without first obtaining any

 * required license or other approval from the U. S. Department of Commerce or

 * any other agency or department of the United States Government.  In the

 * event Licensee exports any such software from the United States or

 * re-exports any such software from a foreign destination, Licensee shall

 * ensure that the distribution and export/re-export of the software is in

 * compliance with all laws, regulations, orders, or other restrictions of the

 * U.S. Export Administration Regulations. Licensee agrees that neither it nor

 * any of its subsidiaries will export/re-export any technical data, process,

 * software, or service, directly or indirectly, to any country for which the

 * United States government or any agency thereof requires an export license,

 * other governmental approval, or letter of assurance, without first obtaining

 * such license, approval or letter.

 *

 *****************************************************************************/

#define __DSINIT_C__

#include "acpi.h"

#include "accommon.h"

#include "acdispat.h"

#include "acnamesp.h"

#include "actables.h"

#define _COMPONENT          ACPI_DISPATCHER

        ACPI_MODULE_NAME    ("dsinit")

/* Local prototypes */

static ACPI_STATUS

AcpiDsInitOneObject (

    ACPI_HANDLE             ObjHandle,

    UINT32                  Level,

    void                    *Context,

    void                    **ReturnValue);

/*******************************************************************************

 *

 * FUNCTION:    AcpiDsInitOneObject

 *

 * PARAMETERS:  ObjHandle       - Node for the object

 *              Level           - Current nesting level

 *              Context         - Points to a init info struct

 *              ReturnValue     - Not used

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Callback from AcpiWalkNamespace.  Invoked for every object

 *              within the namespace.

 *

 *              Currently, the only objects that require initialization are:

 *              1) Methods

 *              2) Operation Regions

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDsInitOneObject (

    ACPI_HANDLE             ObjHandle,

    UINT32                  Level,

    void                    *Context,

    void                    **ReturnValue)

{

    ACPI_INIT_WALK_INFO     *Info = (ACPI_INIT_WALK_INFO *) Context;

    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;

    ACPI_OBJECT_TYPE        Type;

    ACPI_STATUS             Status;

    ACPI_FUNCTION_ENTRY ();

    /*

     * We are only interested in NS nodes owned by the table that

     * was just loaded

     */

    if (Node->OwnerId != Info->OwnerId)

    {

        return (AE_OK);

    }

    Info->ObjectCount++;

    /* And even then, we are only interested in a few object types */

    Type = AcpiNsGetType (ObjHandle);

    switch (Type)

    {

    case ACPI_TYPE_REGION:

        Status = AcpiDsInitializeRegion (ObjHandle);

        if (ACPI_FAILURE (Status))

        {

            ACPI_EXCEPTION ((AE_INFO, Status,

                "During Region initialization %p [%4.4s]",

                ObjHandle, AcpiUtGetNodeName (ObjHandle)));

        }

        Info->OpRegionCount++;

        break;

    case ACPI_TYPE_METHOD:

        Info->MethodCount++;

        break;

    case ACPI_TYPE_DEVICE:

        Info->DeviceCount++;

        break;

    default:

        break;

    }

    /*

     * We ignore errors from above, and always return OK, since

     * we don't want to abort the walk on a single error.

     */

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDsInitializeObjects

 *

 * PARAMETERS:  TableDesc       - Descriptor for parent ACPI table

 *              StartNode       - Root of subtree to be initialized.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any

 *              necessary initialization on the objects found therein

 *

 ******************************************************************************/

ACPI_STATUS

AcpiDsInitializeObjects (

    UINT32                  TableIndex,

    ACPI_NAMESPACE_NODE     *StartNode)

{

    ACPI_STATUS             Status;

    ACPI_INIT_WALK_INFO     Info;

    ACPI_TABLE_HEADER       *Table;

    ACPI_OWNER_ID           OwnerId;

    ACPI_FUNCTION_TRACE (DsInitializeObjects);

    Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);

    if (ACPI_FAILURE (Status))

    {

        return_ACPI_STATUS (Status);

    }

    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,

        "**** Starting initialization of namespace objects ****\n"));

    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));

    /* Set all init info to zero */

    ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO));

    Info.OwnerId = OwnerId;

    Info.TableIndex = TableIndex;

    /* Walk entire namespace from the supplied root */

    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);

    if (ACPI_FAILURE (Status))

    {

        return_ACPI_STATUS (Status);

    }

    /*

     * We don't use AcpiWalkNamespace since we do not want to acquire

     * the namespace reader lock.

     */

    Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,

                ACPI_NS_WALK_UNLOCK, AcpiDsInitOneObject, NULL, &Info, NULL);

    if (ACPI_FAILURE (Status))

    {

        ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace"));

    }

    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);

    Status = AcpiGetTableByIndex (TableIndex, &Table);

    if (ACPI_FAILURE (Status))

    {

        return_ACPI_STATUS (Status);

    }

    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,

        "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",

        Table->Signature, OwnerId, Info.ObjectCount,

        Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));

    ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,

        "%u Methods, %u Regions\n", Info.MethodCount, Info.OpRegionCount));

    return_ACPI_STATUS (AE_OK);

}