rsutils.c revision 67754
167754Smsmith/******************************************************************************* 267754Smsmith * 367754Smsmith * Module Name: rsutils - Utilities for the resource manager 467754Smsmith * $Revision: 12 $ 567754Smsmith * 667754Smsmith ******************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 1267754Smsmith * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights 1367754Smsmith * reserved. 1467754Smsmith * 1567754Smsmith * 2. License 1667754Smsmith * 1767754Smsmith * 2.1. This is your license from Intel Corp. under its intellectual property 1867754Smsmith * rights. You may have additional license terms from the party that provided 1967754Smsmith * you this software, covering your right to use that party's intellectual 2067754Smsmith * property rights. 2167754Smsmith * 2267754Smsmith * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2367754Smsmith * copy of the source code appearing in this file ("Covered Code") an 2467754Smsmith * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2567754Smsmith * base code distributed originally by Intel ("Original Intel Code") to copy, 2667754Smsmith * make derivatives, distribute, use and display any portion of the Covered 2767754Smsmith * Code in any form, with the right to sublicense such rights; and 2867754Smsmith * 2967754Smsmith * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 3067754Smsmith * license (with the right to sublicense), under only those claims of Intel 3167754Smsmith * patents that are infringed by the Original Intel Code, to make, use, sell, 3267754Smsmith * offer to sell, and import the Covered Code and derivative works thereof 3367754Smsmith * solely to the minimum extent necessary to exercise the above copyright 3467754Smsmith * license, and in no event shall the patent license extend to any additions 3567754Smsmith * to or modifications of the Original Intel Code. No other license or right 3667754Smsmith * is granted directly or by implication, estoppel or otherwise; 3767754Smsmith * 3867754Smsmith * The above copyright and patent license is granted only if the following 3967754Smsmith * conditions are met: 4067754Smsmith * 4167754Smsmith * 3. Conditions 4267754Smsmith * 4367754Smsmith * 3.1. Redistribution of Source with Rights to Further Distribute Source. 4467754Smsmith * Redistribution of source code of any substantial portion of the Covered 4567754Smsmith * Code or modification with rights to further distribute source must include 4667754Smsmith * the above Copyright Notice, the above License, this list of Conditions, 4767754Smsmith * and the following Disclaimer and Export Compliance provision. In addition, 4867754Smsmith * Licensee must cause all Covered Code to which Licensee contributes to 4967754Smsmith * contain a file documenting the changes Licensee made to create that Covered 5067754Smsmith * Code and the date of any change. Licensee must include in that file the 5167754Smsmith * documentation of any changes made by any predecessor Licensee. Licensee 5267754Smsmith * must include a prominent statement that the modification is derived, 5367754Smsmith * directly or indirectly, from Original Intel Code. 5467754Smsmith * 5567754Smsmith * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 5667754Smsmith * Redistribution of source code of any substantial portion of the Covered 5767754Smsmith * Code or modification without rights to further distribute source must 5867754Smsmith * include the following Disclaimer and Export Compliance provision in the 5967754Smsmith * documentation and/or other materials provided with distribution. In 6067754Smsmith * addition, Licensee may not authorize further sublicense of source of any 6167754Smsmith * portion of the Covered Code, and must include terms to the effect that the 6267754Smsmith * license from Licensee to its licensee is limited to the intellectual 6367754Smsmith * property embodied in the software Licensee provides to its licensee, and 6467754Smsmith * not to intellectual property embodied in modifications its licensee may 6567754Smsmith * make. 6667754Smsmith * 6767754Smsmith * 3.3. Redistribution of Executable. Redistribution in executable form of any 6867754Smsmith * substantial portion of the Covered Code or modification must reproduce the 6967754Smsmith * above Copyright Notice, and the following Disclaimer and Export Compliance 7067754Smsmith * provision in the documentation and/or other materials provided with the 7167754Smsmith * distribution. 7267754Smsmith * 7367754Smsmith * 3.4. Intel retains all right, title, and interest in and to the Original 7467754Smsmith * Intel Code. 7567754Smsmith * 7667754Smsmith * 3.5. Neither the name Intel nor any other trademark owned or controlled by 7767754Smsmith * Intel shall be used in advertising or otherwise to promote the sale, use or 7867754Smsmith * other dealings in products derived from or relating to the Covered Code 7967754Smsmith * without prior written authorization from Intel. 8067754Smsmith * 8167754Smsmith * 4. Disclaimer and Export Compliance 8267754Smsmith * 8367754Smsmith * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 8467754Smsmith * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 8567754Smsmith * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 8667754Smsmith * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 8767754Smsmith * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 8867754Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 8967754Smsmith * PARTICULAR PURPOSE. 9067754Smsmith * 9167754Smsmith * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 9267754Smsmith * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 9367754Smsmith * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 9467754Smsmith * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 9567754Smsmith * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 9667754Smsmith * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 9767754Smsmith * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 9867754Smsmith * LIMITED REMEDY. 9967754Smsmith * 10067754Smsmith * 4.3. Licensee shall not export, either directly or indirectly, any of this 10167754Smsmith * software or system incorporating such software without first obtaining any 10267754Smsmith * required license or other approval from the U. S. Department of Commerce or 10367754Smsmith * any other agency or department of the United States Government. In the 10467754Smsmith * event Licensee exports any such software from the United States or 10567754Smsmith * re-exports any such software from a foreign destination, Licensee shall 10667754Smsmith * ensure that the distribution and export/re-export of the software is in 10767754Smsmith * compliance with all laws, regulations, orders, or other restrictions of the 10867754Smsmith * U.S. Export Administration Regulations. Licensee agrees that neither it nor 10967754Smsmith * any of its subsidiaries will export/re-export any technical data, process, 11067754Smsmith * software, or service, directly or indirectly, to any country for which the 11167754Smsmith * United States government or any agency thereof requires an export license, 11267754Smsmith * other governmental approval, or letter of assurance, without first obtaining 11367754Smsmith * such license, approval or letter. 11467754Smsmith * 11567754Smsmith *****************************************************************************/ 11667754Smsmith 11767754Smsmith 11867754Smsmith#define __RSUTILS_C__ 11967754Smsmith 12067754Smsmith#include "acpi.h" 12167754Smsmith#include "acnamesp.h" 12267754Smsmith#include "acresrc.h" 12367754Smsmith 12467754Smsmith 12567754Smsmith#define _COMPONENT RESOURCE_MANAGER 12667754Smsmith MODULE_NAME ("rsutils") 12767754Smsmith 12867754Smsmith 12967754Smsmith/******************************************************************************* 13067754Smsmith * 13167754Smsmith * FUNCTION: AcpiRsGetPrtMethodData 13267754Smsmith * 13367754Smsmith * PARAMETERS: Handle - a handle to the containing object 13467754Smsmith * RetBuffer - a pointer to a buffer structure for the 13567754Smsmith * results 13667754Smsmith * 13767754Smsmith * RETURN: Status - the status of the call 13867754Smsmith * 13967754Smsmith * DESCRIPTION: This function is called to get the _PRT value of an object 14067754Smsmith * contained in an object specified by the handle passed in 14167754Smsmith * 14267754Smsmith * If the function fails an appropriate status will be returned 14367754Smsmith * and the contents of the callers buffer is undefined. 14467754Smsmith * 14567754Smsmith ******************************************************************************/ 14667754Smsmith 14767754SmsmithACPI_STATUS 14867754SmsmithAcpiRsGetPrtMethodData ( 14967754Smsmith ACPI_HANDLE Handle, 15067754Smsmith ACPI_BUFFER *RetBuffer) 15167754Smsmith{ 15267754Smsmith ACPI_OPERAND_OBJECT *RetObj; 15367754Smsmith ACPI_STATUS Status; 15467754Smsmith UINT32 BufferSpaceNeeded; 15567754Smsmith 15667754Smsmith 15767754Smsmith FUNCTION_TRACE ("RsGetPrtMethodData"); 15867754Smsmith 15967754Smsmith 16067754Smsmith /* already validated params, so we won't repeat here */ 16167754Smsmith 16267754Smsmith BufferSpaceNeeded = RetBuffer->Length; 16367754Smsmith 16467754Smsmith /* 16567754Smsmith * Execute the method, no parameters 16667754Smsmith */ 16767754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_PRT", NULL, &RetObj); 16867754Smsmith if (ACPI_FAILURE (Status)) 16967754Smsmith { 17067754Smsmith return_ACPI_STATUS (Status); 17167754Smsmith } 17267754Smsmith 17367754Smsmith if (!RetObj) 17467754Smsmith { 17567754Smsmith /* Return object is required */ 17667754Smsmith 17767754Smsmith DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _PRT\n")); 17867754Smsmith return_ACPI_STATUS (AE_TYPE); 17967754Smsmith } 18067754Smsmith 18167754Smsmith 18267754Smsmith /* 18367754Smsmith * The return object will be a package, so check the 18467754Smsmith * parameters. If the return object is not a package, 18567754Smsmith * then the underlying AML code is corrupt or improperly 18667754Smsmith * written. 18767754Smsmith */ 18867754Smsmith if (ACPI_TYPE_PACKAGE != RetObj->Common.Type) 18967754Smsmith { 19067754Smsmith Status = AE_AML_OPERAND_TYPE; 19167754Smsmith goto Cleanup; 19267754Smsmith } 19367754Smsmith 19467754Smsmith /* 19567754Smsmith * Make the call to create a resource linked list from the 19667754Smsmith * byte stream buffer that comes back from the _CRS method 19767754Smsmith * execution. 19867754Smsmith */ 19967754Smsmith Status = AcpiRsCreatePciRoutingTable (RetObj, 20067754Smsmith RetBuffer->Pointer, 20167754Smsmith &BufferSpaceNeeded); 20267754Smsmith 20367754Smsmith /* 20467754Smsmith * Tell the user how much of the buffer we have used or is needed 20567754Smsmith * and return the final status. 20667754Smsmith */ 20767754Smsmith RetBuffer->Length = BufferSpaceNeeded; 20867754Smsmith 20967754Smsmith 21067754Smsmith /* On exit, we must delete the object returned by evaluateObject */ 21167754Smsmith 21267754SmsmithCleanup: 21367754Smsmith 21467754Smsmith AcpiCmRemoveReference (RetObj); 21567754Smsmith 21667754Smsmith return_ACPI_STATUS (Status); 21767754Smsmith} 21867754Smsmith 21967754Smsmith 22067754Smsmith/******************************************************************************* 22167754Smsmith * 22267754Smsmith * FUNCTION: AcpiRsGetCrsMethodData 22367754Smsmith * 22467754Smsmith * PARAMETERS: Handle - a handle to the containing object 22567754Smsmith * RetBuffer - a pointer to a buffer structure for the 22667754Smsmith * results 22767754Smsmith * 22867754Smsmith * RETURN: Status - the status of the call 22967754Smsmith * 23067754Smsmith * DESCRIPTION: This function is called to get the _CRS value of an object 23167754Smsmith * contained in an object specified by the handle passed in 23267754Smsmith * 23367754Smsmith * If the function fails an appropriate status will be returned 23467754Smsmith * and the contents of the callers buffer is undefined. 23567754Smsmith * 23667754Smsmith ******************************************************************************/ 23767754Smsmith 23867754SmsmithACPI_STATUS 23967754SmsmithAcpiRsGetCrsMethodData ( 24067754Smsmith ACPI_HANDLE Handle, 24167754Smsmith ACPI_BUFFER *RetBuffer) 24267754Smsmith{ 24367754Smsmith ACPI_OPERAND_OBJECT *RetObj; 24467754Smsmith ACPI_STATUS Status; 24567754Smsmith UINT32 BufferSpaceNeeded = RetBuffer->Length; 24667754Smsmith 24767754Smsmith 24867754Smsmith FUNCTION_TRACE ("RsGetCrsMethodData"); 24967754Smsmith 25067754Smsmith 25167754Smsmith /* already validated params, so we won't repeat here */ 25267754Smsmith 25367754Smsmith /* 25467754Smsmith * Execute the method, no parameters 25567754Smsmith */ 25667754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_CRS", NULL, &RetObj); 25767754Smsmith if (ACPI_FAILURE (Status)) 25867754Smsmith { 25967754Smsmith return_ACPI_STATUS (Status); 26067754Smsmith } 26167754Smsmith 26267754Smsmith if (!RetObj) 26367754Smsmith { 26467754Smsmith /* Return object is required */ 26567754Smsmith 26667754Smsmith DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _CRS\n")); 26767754Smsmith return_ACPI_STATUS (AE_TYPE); 26867754Smsmith } 26967754Smsmith 27067754Smsmith /* 27167754Smsmith * The return object will be a buffer, but check the 27267754Smsmith * parameters. If the return object is not a buffer, 27367754Smsmith * then the underlying AML code is corrupt or improperly 27467754Smsmith * written. 27567754Smsmith */ 27667754Smsmith if (ACPI_TYPE_BUFFER != RetObj->Common.Type) 27767754Smsmith { 27867754Smsmith Status = AE_AML_OPERAND_TYPE; 27967754Smsmith goto Cleanup; 28067754Smsmith } 28167754Smsmith 28267754Smsmith /* 28367754Smsmith * Make the call to create a resource linked list from the 28467754Smsmith * byte stream buffer that comes back from the _CRS method 28567754Smsmith * execution. 28667754Smsmith */ 28767754Smsmith Status = AcpiRsCreateResourceList (RetObj, 28867754Smsmith RetBuffer->Pointer, 28967754Smsmith &BufferSpaceNeeded); 29067754Smsmith 29167754Smsmith 29267754Smsmith if (ACPI_SUCCESS (Status)) 29367754Smsmith { 29467754Smsmith DUMP_RESOURCE_LIST(RetBuffer->Pointer); 29567754Smsmith } 29667754Smsmith 29767754Smsmith /* 29867754Smsmith * Tell the user how much of the buffer we have used or is needed 29967754Smsmith * and return the final status. 30067754Smsmith */ 30167754Smsmith RetBuffer->Length = BufferSpaceNeeded; 30267754Smsmith 30367754Smsmith 30467754Smsmith /* On exit, we must delete the object returned by evaluateObject */ 30567754Smsmith 30667754SmsmithCleanup: 30767754Smsmith 30867754Smsmith AcpiCmRemoveReference (RetObj); 30967754Smsmith 31067754Smsmith return_ACPI_STATUS (Status); 31167754Smsmith} 31267754Smsmith 31367754Smsmith 31467754Smsmith/******************************************************************************* 31567754Smsmith * 31667754Smsmith * FUNCTION: AcpiRsGetPrsMethodData 31767754Smsmith * 31867754Smsmith * PARAMETERS: Handle - a handle to the containing object 31967754Smsmith * RetBuffer - a pointer to a buffer structure for the 32067754Smsmith * results 32167754Smsmith * 32267754Smsmith * RETURN: Status - the status of the call 32367754Smsmith * 32467754Smsmith * DESCRIPTION: This function is called to get the _PRS value of an object 32567754Smsmith * contained in an object specified by the handle passed in 32667754Smsmith * 32767754Smsmith * If the function fails an appropriate status will be returned 32867754Smsmith * and the contents of the callers buffer is undefined. 32967754Smsmith * 33067754Smsmith ******************************************************************************/ 33167754Smsmith 33267754SmsmithACPI_STATUS 33367754SmsmithAcpiRsGetPrsMethodData ( 33467754Smsmith ACPI_HANDLE Handle, 33567754Smsmith ACPI_BUFFER *RetBuffer) 33667754Smsmith{ 33767754Smsmith ACPI_OPERAND_OBJECT *RetObj; 33867754Smsmith ACPI_STATUS Status; 33967754Smsmith UINT32 BufferSpaceNeeded = RetBuffer->Length; 34067754Smsmith 34167754Smsmith 34267754Smsmith FUNCTION_TRACE ("RsGetPrsMethodData"); 34367754Smsmith 34467754Smsmith 34567754Smsmith /* already validated params, so we won't repeat here */ 34667754Smsmith 34767754Smsmith /* 34867754Smsmith * Execute the method, no parameters 34967754Smsmith */ 35067754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_PRS", NULL, &RetObj); 35167754Smsmith if (ACPI_FAILURE (Status)) 35267754Smsmith { 35367754Smsmith return_ACPI_STATUS (Status); 35467754Smsmith } 35567754Smsmith 35667754Smsmith if (!RetObj) 35767754Smsmith { 35867754Smsmith /* Return object is required */ 35967754Smsmith 36067754Smsmith DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _PRS\n")); 36167754Smsmith return_ACPI_STATUS (AE_TYPE); 36267754Smsmith } 36367754Smsmith 36467754Smsmith /* 36567754Smsmith * The return object will be a buffer, but check the 36667754Smsmith * parameters. If the return object is not a buffer, 36767754Smsmith * then the underlying AML code is corrupt or improperly 36867754Smsmith * written.. 36967754Smsmith */ 37067754Smsmith if (ACPI_TYPE_BUFFER != RetObj->Common.Type) 37167754Smsmith { 37267754Smsmith Status = AE_AML_OPERAND_TYPE; 37367754Smsmith goto Cleanup; 37467754Smsmith } 37567754Smsmith 37667754Smsmith /* 37767754Smsmith * Make the call to create a resource linked list from the 37867754Smsmith * byte stream buffer that comes back from the _CRS method 37967754Smsmith * execution. 38067754Smsmith */ 38167754Smsmith Status = AcpiRsCreateResourceList (RetObj, 38267754Smsmith RetBuffer->Pointer, 38367754Smsmith &BufferSpaceNeeded); 38467754Smsmith 38567754Smsmith /* 38667754Smsmith * Tell the user how much of the buffer we have used or is needed 38767754Smsmith * and return the final status. 38867754Smsmith */ 38967754Smsmith RetBuffer->Length = BufferSpaceNeeded; 39067754Smsmith 39167754Smsmith 39267754Smsmith /* On exit, we must delete the object returned by evaluateObject */ 39367754Smsmith 39467754SmsmithCleanup: 39567754Smsmith 39667754Smsmith AcpiCmRemoveReference (RetObj); 39767754Smsmith 39867754Smsmith return_ACPI_STATUS (Status); 39967754Smsmith} 40067754Smsmith 40167754Smsmith 40267754Smsmith/******************************************************************************* 40367754Smsmith * 40467754Smsmith * FUNCTION: AcpiRsSetSrsMethodData 40567754Smsmith * 40667754Smsmith * PARAMETERS: Handle - a handle to the containing object 40767754Smsmith * InBuffer - a pointer to a buffer structure of the 40867754Smsmith * parameter 40967754Smsmith * 41067754Smsmith * RETURN: Status - the status of the call 41167754Smsmith * 41267754Smsmith * DESCRIPTION: This function is called to set the _SRS of an object contained 41367754Smsmith * in an object specified by the handle passed in 41467754Smsmith * 41567754Smsmith * If the function fails an appropriate status will be returned 41667754Smsmith * and the contents of the callers buffer is undefined. 41767754Smsmith * 41867754Smsmith ******************************************************************************/ 41967754Smsmith 42067754SmsmithACPI_STATUS 42167754SmsmithAcpiRsSetSrsMethodData ( 42267754Smsmith ACPI_HANDLE Handle, 42367754Smsmith ACPI_BUFFER *InBuffer) 42467754Smsmith{ 42567754Smsmith ACPI_OPERAND_OBJECT *Params[2]; 42667754Smsmith ACPI_OPERAND_OBJECT ParamObj; 42767754Smsmith ACPI_STATUS Status; 42867754Smsmith UINT8 *ByteStream = NULL; 42967754Smsmith UINT32 BufferSizeNeeded = 0; 43067754Smsmith 43167754Smsmith 43267754Smsmith FUNCTION_TRACE ("RsSetSrsMethodData"); 43367754Smsmith 43467754Smsmith 43567754Smsmith /* already validated params, so we won't repeat here */ 43667754Smsmith 43767754Smsmith /* 43867754Smsmith * The InBuffer parameter will point to a linked list of 43967754Smsmith * resource parameters. It needs to be formatted into a 44067754Smsmith * byte stream to be sent in as an input parameter. 44167754Smsmith */ 44267754Smsmith BufferSizeNeeded = 0; 44367754Smsmith 44467754Smsmith /* 44567754Smsmith * First call is to get the buffer size needed 44667754Smsmith */ 44767754Smsmith Status = AcpiRsCreateByteStream (InBuffer->Pointer, 44867754Smsmith ByteStream, 44967754Smsmith &BufferSizeNeeded); 45067754Smsmith /* 45167754Smsmith * We expect a return of AE_BUFFER_OVERFLOW 45267754Smsmith * if not, exit with the error 45367754Smsmith */ 45467754Smsmith if (AE_BUFFER_OVERFLOW != Status) 45567754Smsmith { 45667754Smsmith return_ACPI_STATUS (Status); 45767754Smsmith } 45867754Smsmith 45967754Smsmith /* 46067754Smsmith * Allocate the buffer needed 46167754Smsmith */ 46267754Smsmith ByteStream = AcpiCmCallocate(BufferSizeNeeded); 46367754Smsmith if (NULL == ByteStream) 46467754Smsmith { 46567754Smsmith return_ACPI_STATUS (AE_NO_MEMORY); 46667754Smsmith } 46767754Smsmith 46867754Smsmith /* 46967754Smsmith * Now call to convert the linked list into a byte stream 47067754Smsmith */ 47167754Smsmith Status = AcpiRsCreateByteStream (InBuffer->Pointer, 47267754Smsmith ByteStream, 47367754Smsmith &BufferSizeNeeded); 47467754Smsmith if (ACPI_FAILURE (Status)) 47567754Smsmith { 47667754Smsmith goto Cleanup; 47767754Smsmith } 47867754Smsmith 47967754Smsmith /* 48067754Smsmith * Init the param object 48167754Smsmith */ 48267754Smsmith AcpiCmInitStaticObject (&ParamObj); 48367754Smsmith 48467754Smsmith /* 48567754Smsmith * Method requires one parameter. Set it up 48667754Smsmith */ 48767754Smsmith Params [0] = &ParamObj; 48867754Smsmith Params [1] = NULL; 48967754Smsmith 49067754Smsmith /* 49167754Smsmith * Set up the parameter object 49267754Smsmith */ 49367754Smsmith ParamObj.Common.Type = ACPI_TYPE_BUFFER; 49467754Smsmith ParamObj.Buffer.Length = BufferSizeNeeded; 49567754Smsmith ParamObj.Buffer.Pointer = ByteStream; 49667754Smsmith 49767754Smsmith /* 49867754Smsmith * Execute the method, no return value 49967754Smsmith */ 50067754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_SRS", Params, NULL); 50167754Smsmith 50267754Smsmith /* 50367754Smsmith * Clean up and return the status from AcpiNsEvaluateRelative 50467754Smsmith */ 50567754Smsmith 50667754SmsmithCleanup: 50767754Smsmith 50867754Smsmith AcpiCmFree (ByteStream); 50967754Smsmith return_ACPI_STATUS (Status); 51067754Smsmith} 51167754Smsmith 512