nsxfname.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/******************************************************************************
*
* Module Name: nsxfname - Public interfaces to the ACPI subsystem
* ACPI Namespace oriented interfaces
* $Revision: 104 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2005, 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
* 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
* 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
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* 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 __NSXFNAME_C__
#include "acpi.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME ("nsxfname")
/******************************************************************************
*
* FUNCTION: AcpiGetHandle
*
* PARAMETERS: Parent - Object to search under (search scope).
* Pathname - Pointer to an asciiz string containing the
* name
* RetHandle - Where the return handle is returned
*
* RETURN: Status
*
* DESCRIPTION: This routine will search for a caller specified name in the
* name space. The caller can restrict the search region by
* specifying a non NULL parent. The parent value is itself a
* namespace handle.
*
******************************************************************************/
{
/* Parameter Validation */
{
return (AE_BAD_PARAMETER);
}
/* Convert a parent handle to a prefix node */
if (Parent)
{
if (ACPI_FAILURE (Status))
{
return (Status);
}
if (!PrefixNode)
{
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
return (AE_BAD_PARAMETER);
}
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
/* Special case for root, since we can't search for it */
{
return (AE_OK);
}
/*
* Find the Node and convert to a handle
*/
&Node);
if (ACPI_SUCCESS (Status))
{
}
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiGetName
*
* PARAMETERS: Handle - Handle to be converted to a pathname
* NameType - Full pathname or single segment
* Buffer - Buffer for returned path
*
* RETURN: Pointer to a string containing the fully qualified Name.
*
* DESCRIPTION: This routine returns the fully qualified name associated with
* the Handle parameter. This and the AcpiPathnameToHandle are
* complementary functions.
*
******************************************************************************/
{
/* Parameter validation */
if (NameType > ACPI_NAME_TYPE_MAX)
{
return (AE_BAD_PARAMETER);
}
if (ACPI_FAILURE (Status))
{
return (Status);
}
if (NameType == ACPI_FULL_PATHNAME)
{
/* Get the full pathname (From the namespace root) */
return (Status);
}
/*
* Wants the single segment ACPI name.
* Validate handle and convert to a namespace Node
*/
if (ACPI_FAILURE (Status))
{
return (Status);
}
if (!Node)
{
goto UnlockAndExit;
}
if (ACPI_FAILURE (Status))
{
goto UnlockAndExit;
}
/* Just copy the ACPI name from the Node and zero terminate it */
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiGetObjectInfo
*
* PARAMETERS: Handle - Object Handle
* Buffer - Where the info is returned
*
* RETURN: Status
*
* DESCRIPTION: Returns information about an object as gleaned from the
* namespace node and possibly by running several standard
* control methods (Such as in the case of a device.)
*
******************************************************************************/
{
/* Parameter validation */
{
return (AE_BAD_PARAMETER);
}
if (ACPI_FAILURE (Status))
{
return (Status);
}
if (!Info)
{
return (AE_NO_MEMORY);
}
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
if (!Node)
{
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
goto Cleanup;
}
/* Init return structure */
Size = sizeof (ACPI_DEVICE_INFO);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* If not a device, we are all done */
{
/*
* Get extra info for ACPI Devices objects only:
* Run the Device _HID, _UID, _CID, _STA, _ADR and _SxD methods.
*
* Note: none of these methods are required, so they may or may
* not be present for this device. The Info->Valid bitfield is used
* to indicate which methods were found and ran successfully.
*/
/* Execute the Device._HID method */
if (ACPI_SUCCESS (Status))
{
}
/* Execute the Device._UID method */
if (ACPI_SUCCESS (Status))
{
}
/* Execute the Device._CID method */
if (ACPI_SUCCESS (Status))
{
sizeof (ACPI_COMPATIBLE_ID);
}
/* Execute the Device._STA method */
if (ACPI_SUCCESS (Status))
{
}
/* Execute the Device._ADR method */
if (ACPI_SUCCESS (Status))
{
}
/* Execute the Device._SxD methods */
if (ACPI_SUCCESS (Status))
{
}
}
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Populate the return buffer */
if (CidList)
{
}
if (CidList)
{
}
return (Status);
}