rsutils.c revision 91116
167754Smsmith/******************************************************************************* 267754Smsmith * 367754Smsmith * Module Name: rsutils - Utilities for the resource manager 491116Smsmith * $Revision: 29 $ 567754Smsmith * 667754Smsmith ******************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 1291116Smsmith * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp. 1370243Smsmith * All rights 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 12577424Smsmith#define _COMPONENT ACPI_RESOURCES 12691116Smsmith ACPI_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 * 13777424Smsmith * RETURN: Status 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 15567754Smsmith 15691116Smsmith ACPI_FUNCTION_TRACE ("RsGetPrtMethodData"); 15767754Smsmith 15867754Smsmith 15991116Smsmith /* Parameters guaranteed valid by caller */ 16067754Smsmith 16167754Smsmith /* 16267754Smsmith * Execute the method, no parameters 16367754Smsmith */ 16467754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_PRT", NULL, &RetObj); 16567754Smsmith if (ACPI_FAILURE (Status)) 16667754Smsmith { 16767754Smsmith return_ACPI_STATUS (Status); 16867754Smsmith } 16967754Smsmith 17067754Smsmith if (!RetObj) 17167754Smsmith { 17267754Smsmith /* Return object is required */ 17367754Smsmith 17482367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRT\n")); 17567754Smsmith return_ACPI_STATUS (AE_TYPE); 17667754Smsmith } 17767754Smsmith 17867754Smsmith /* 17991116Smsmith * The return object will be a package, so check the parameters. If the 18091116Smsmith * return object is not a package, then the underlying AML code is corrupt 18191116Smsmith * or improperly written. 18267754Smsmith */ 18367754Smsmith if (ACPI_TYPE_PACKAGE != RetObj->Common.Type) 18467754Smsmith { 18591116Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRT did not return a Package, returned %s\n", 18691116Smsmith AcpiUtGetTypeName (RetObj->Common.Type))); 18767754Smsmith Status = AE_AML_OPERAND_TYPE; 18867754Smsmith goto Cleanup; 18967754Smsmith } 19067754Smsmith 19167754Smsmith /* 19291116Smsmith * Create a resource linked list from the byte stream buffer that comes 19391116Smsmith * back from the _CRS method execution. 19467754Smsmith */ 19591116Smsmith Status = AcpiRsCreatePciRoutingTable (RetObj, RetBuffer); 19667754Smsmith 19791116Smsmith /* On exit, we must delete the object returned by EvaluateObject */ 19867754Smsmith 19967754SmsmithCleanup: 20067754Smsmith 20177424Smsmith AcpiUtRemoveReference (RetObj); 20267754Smsmith return_ACPI_STATUS (Status); 20367754Smsmith} 20467754Smsmith 20567754Smsmith 20667754Smsmith/******************************************************************************* 20767754Smsmith * 20867754Smsmith * FUNCTION: AcpiRsGetCrsMethodData 20967754Smsmith * 21067754Smsmith * PARAMETERS: Handle - a handle to the containing object 21167754Smsmith * RetBuffer - a pointer to a buffer structure for the 21267754Smsmith * results 21367754Smsmith * 21477424Smsmith * RETURN: Status 21567754Smsmith * 21667754Smsmith * DESCRIPTION: This function is called to get the _CRS value of an object 21767754Smsmith * contained in an object specified by the handle passed in 21867754Smsmith * 21967754Smsmith * If the function fails an appropriate status will be returned 22067754Smsmith * and the contents of the callers buffer is undefined. 22167754Smsmith * 22267754Smsmith ******************************************************************************/ 22367754Smsmith 22467754SmsmithACPI_STATUS 22567754SmsmithAcpiRsGetCrsMethodData ( 22667754Smsmith ACPI_HANDLE Handle, 22767754Smsmith ACPI_BUFFER *RetBuffer) 22867754Smsmith{ 22967754Smsmith ACPI_OPERAND_OBJECT *RetObj; 23067754Smsmith ACPI_STATUS Status; 23167754Smsmith 23267754Smsmith 23391116Smsmith ACPI_FUNCTION_TRACE ("RsGetCrsMethodData"); 23467754Smsmith 23567754Smsmith 23691116Smsmith /* Parameters guaranteed valid by caller */ 23767754Smsmith 23867754Smsmith /* 23991116Smsmith * Execute the method, no parameters 24067754Smsmith */ 24167754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_CRS", NULL, &RetObj); 24267754Smsmith if (ACPI_FAILURE (Status)) 24367754Smsmith { 24467754Smsmith return_ACPI_STATUS (Status); 24567754Smsmith } 24667754Smsmith 24767754Smsmith if (!RetObj) 24867754Smsmith { 24967754Smsmith /* Return object is required */ 25067754Smsmith 25182367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _CRS\n")); 25267754Smsmith return_ACPI_STATUS (AE_TYPE); 25367754Smsmith } 25467754Smsmith 25567754Smsmith /* 25667754Smsmith * The return object will be a buffer, but check the 25791116Smsmith * parameters. If the return object is not a buffer, 25891116Smsmith * then the underlying AML code is corrupt or improperly 25991116Smsmith * written. 26067754Smsmith */ 26167754Smsmith if (ACPI_TYPE_BUFFER != RetObj->Common.Type) 26267754Smsmith { 26391116Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_CRS did not return a Buffer, returned %s\n", 26491116Smsmith AcpiUtGetTypeName (RetObj->Common.Type))); 26567754Smsmith Status = AE_AML_OPERAND_TYPE; 26667754Smsmith goto Cleanup; 26767754Smsmith } 26867754Smsmith 26967754Smsmith /* 27067754Smsmith * Make the call to create a resource linked list from the 27191116Smsmith * byte stream buffer that comes back from the _CRS method 27291116Smsmith * execution. 27367754Smsmith */ 27491116Smsmith Status = AcpiRsCreateResourceList (RetObj, RetBuffer); 27567754Smsmith 27667754Smsmith /* On exit, we must delete the object returned by evaluateObject */ 27767754Smsmith 27867754SmsmithCleanup: 27967754Smsmith 28077424Smsmith AcpiUtRemoveReference (RetObj); 28167754Smsmith return_ACPI_STATUS (Status); 28267754Smsmith} 28367754Smsmith 28467754Smsmith 28567754Smsmith/******************************************************************************* 28667754Smsmith * 28767754Smsmith * FUNCTION: AcpiRsGetPrsMethodData 28867754Smsmith * 28967754Smsmith * PARAMETERS: Handle - a handle to the containing object 29067754Smsmith * RetBuffer - a pointer to a buffer structure for the 29167754Smsmith * results 29267754Smsmith * 29377424Smsmith * RETURN: Status 29467754Smsmith * 29567754Smsmith * DESCRIPTION: This function is called to get the _PRS value of an object 29667754Smsmith * contained in an object specified by the handle passed in 29767754Smsmith * 29867754Smsmith * If the function fails an appropriate status will be returned 29967754Smsmith * and the contents of the callers buffer is undefined. 30067754Smsmith * 30167754Smsmith ******************************************************************************/ 30267754Smsmith 30367754SmsmithACPI_STATUS 30467754SmsmithAcpiRsGetPrsMethodData ( 30567754Smsmith ACPI_HANDLE Handle, 30667754Smsmith ACPI_BUFFER *RetBuffer) 30767754Smsmith{ 30867754Smsmith ACPI_OPERAND_OBJECT *RetObj; 30967754Smsmith ACPI_STATUS Status; 31067754Smsmith 31167754Smsmith 31291116Smsmith ACPI_FUNCTION_TRACE ("RsGetPrsMethodData"); 31367754Smsmith 31467754Smsmith 31591116Smsmith /* Parameters guaranteed valid by caller */ 31667754Smsmith 31767754Smsmith /* 31891116Smsmith * Execute the method, no parameters 31967754Smsmith */ 32067754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_PRS", NULL, &RetObj); 32167754Smsmith if (ACPI_FAILURE (Status)) 32267754Smsmith { 32367754Smsmith return_ACPI_STATUS (Status); 32467754Smsmith } 32567754Smsmith 32667754Smsmith if (!RetObj) 32767754Smsmith { 32867754Smsmith /* Return object is required */ 32967754Smsmith 33082367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRS\n")); 33167754Smsmith return_ACPI_STATUS (AE_TYPE); 33267754Smsmith } 33367754Smsmith 33467754Smsmith /* 33567754Smsmith * The return object will be a buffer, but check the 33691116Smsmith * parameters. If the return object is not a buffer, 33791116Smsmith * then the underlying AML code is corrupt or improperly 33891116Smsmith * written.. 33967754Smsmith */ 34067754Smsmith if (ACPI_TYPE_BUFFER != RetObj->Common.Type) 34167754Smsmith { 34291116Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRS did not return a Buffer, returned %s\n", 34391116Smsmith AcpiUtGetTypeName (RetObj->Common.Type))); 34467754Smsmith Status = AE_AML_OPERAND_TYPE; 34567754Smsmith goto Cleanup; 34667754Smsmith } 34767754Smsmith 34867754Smsmith /* 34967754Smsmith * Make the call to create a resource linked list from the 35091116Smsmith * byte stream buffer that comes back from the _CRS method 35191116Smsmith * execution. 35267754Smsmith */ 35391116Smsmith Status = AcpiRsCreateResourceList (RetObj, RetBuffer); 35467754Smsmith 35567754Smsmith /* On exit, we must delete the object returned by evaluateObject */ 35667754Smsmith 35767754SmsmithCleanup: 35867754Smsmith 35977424Smsmith AcpiUtRemoveReference (RetObj); 36067754Smsmith return_ACPI_STATUS (Status); 36167754Smsmith} 36267754Smsmith 36367754Smsmith 36467754Smsmith/******************************************************************************* 36567754Smsmith * 36667754Smsmith * FUNCTION: AcpiRsSetSrsMethodData 36767754Smsmith * 36867754Smsmith * PARAMETERS: Handle - a handle to the containing object 36967754Smsmith * InBuffer - a pointer to a buffer structure of the 37067754Smsmith * parameter 37167754Smsmith * 37277424Smsmith * RETURN: Status 37367754Smsmith * 37467754Smsmith * DESCRIPTION: This function is called to set the _SRS of an object contained 37567754Smsmith * in an object specified by the handle passed in 37667754Smsmith * 37767754Smsmith * If the function fails an appropriate status will be returned 37867754Smsmith * and the contents of the callers buffer is undefined. 37967754Smsmith * 38067754Smsmith ******************************************************************************/ 38167754Smsmith 38267754SmsmithACPI_STATUS 38367754SmsmithAcpiRsSetSrsMethodData ( 38467754Smsmith ACPI_HANDLE Handle, 38567754Smsmith ACPI_BUFFER *InBuffer) 38667754Smsmith{ 38767754Smsmith ACPI_OPERAND_OBJECT *Params[2]; 38867754Smsmith ACPI_STATUS Status; 38991116Smsmith ACPI_BUFFER Buffer; 39067754Smsmith 39167754Smsmith 39291116Smsmith ACPI_FUNCTION_TRACE ("RsSetSrsMethodData"); 39367754Smsmith 39467754Smsmith 39591116Smsmith /* Parameters guaranteed valid by caller */ 39667754Smsmith 39767754Smsmith /* 39867754Smsmith * The InBuffer parameter will point to a linked list of 39977424Smsmith * resource parameters. It needs to be formatted into a 40091116Smsmith * byte stream to be sent in as an input parameter to _SRS 40191116Smsmith * 40291116Smsmith * Convert the linked list into a byte stream 40367754Smsmith */ 40491116Smsmith Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; 40591116Smsmith Status = AcpiRsCreateByteStream (InBuffer->Pointer, &Buffer); 40691116Smsmith if (ACPI_FAILURE (Status)) 40767754Smsmith { 40867754Smsmith return_ACPI_STATUS (Status); 40967754Smsmith } 41067754Smsmith 41167754Smsmith /* 41277424Smsmith * Init the param object 41367754Smsmith */ 41484491Smsmith Params[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 41584491Smsmith if (!Params[0]) 41684491Smsmith { 41791116Smsmith AcpiOsFree (Buffer.Pointer); 41891116Smsmith return_ACPI_STATUS (AE_NO_MEMORY); 41984491Smsmith } 42067754Smsmith 42167754Smsmith /* 42291116Smsmith * Set up the parameter object 42367754Smsmith */ 42491116Smsmith Params[0]->Buffer.Length = Buffer.Length; 42591116Smsmith Params[0]->Buffer.Pointer = Buffer.Pointer; 42691116Smsmith Params[1] = NULL; 42767754Smsmith 42867754Smsmith /* 42977424Smsmith * Execute the method, no return value 43067754Smsmith */ 43167754Smsmith Status = AcpiNsEvaluateRelative (Handle, "_SRS", Params, NULL); 43267754Smsmith 43367754Smsmith /* 43477424Smsmith * Clean up and return the status from AcpiNsEvaluateRelative 43567754Smsmith */ 43691116Smsmith AcpiUtRemoveReference (Params[0]); 43767754Smsmith return_ACPI_STATUS (Status); 43867754Smsmith} 43967754Smsmith 440