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Diffstat (limited to 'sys/contrib/dev/acpica/rsutils.c')
-rw-r--r-- | sys/contrib/dev/acpica/rsutils.c | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rsutils.c b/sys/contrib/dev/acpica/rsutils.c new file mode 100644 index 0000000..26274f9 --- /dev/null +++ b/sys/contrib/dev/acpica/rsutils.c @@ -0,0 +1,440 @@ +/******************************************************************************* + * + * Module Name: rsutils - Utilities for the resource manager + * $Revision: 33 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 __RSUTILS_C__ + +#include "acpi.h" +#include "acnamesp.h" +#include "acresrc.h" + + +#define _COMPONENT ACPI_RESOURCES + ACPI_MODULE_NAME ("rsutils") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsGetPrtMethodData + * + * PARAMETERS: Handle - a handle to the containing object + * RetBuffer - a pointer to a buffer structure for the + * results + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the _PRT value of an object + * contained in an object specified by the handle passed in + * + * If the function fails an appropriate status will be returned + * and the contents of the callers buffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsGetPrtMethodData ( + ACPI_HANDLE Handle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("RsGetPrtMethodData"); + + + /* Parameters guaranteed valid by caller */ + + /* + * Execute the method, no parameters + */ + Status = AcpiNsEvaluateRelative (Handle, "_PRT", NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + if (!ObjDesc) + { + /* Return object is required */ + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRT\n")); + return_ACPI_STATUS (AE_TYPE); + } + + /* + * The return object must be a package, so check the parameters. If the + * return object is not a package, then the underlying AML code is corrupt + * or improperly written. + */ + if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_PACKAGE) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRT did not return a Package, returned %s\n", + AcpiUtGetObjectTypeName (ObjDesc))); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + /* + * Create a resource linked list from the byte stream buffer that comes + * back from the _CRS method execution. + */ + Status = AcpiRsCreatePciRoutingTable (ObjDesc, RetBuffer); + + /* On exit, we must delete the object returned by EvaluateObject */ + +Cleanup: + + AcpiUtRemoveReference (ObjDesc); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsGetCrsMethodData + * + * PARAMETERS: Handle - a handle to the containing object + * RetBuffer - a pointer to a buffer structure for the + * results + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the _CRS value of an object + * contained in an object specified by the handle passed in + * + * If the function fails an appropriate status will be returned + * and the contents of the callers buffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsGetCrsMethodData ( + ACPI_HANDLE Handle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("RsGetCrsMethodData"); + + + /* Parameters guaranteed valid by caller */ + + /* + * Execute the method, no parameters + */ + Status = AcpiNsEvaluateRelative (Handle, "_CRS", NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + if (!ObjDesc) + { + /* Return object is required */ + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _CRS\n")); + return_ACPI_STATUS (AE_TYPE); + } + + /* + * The return object will be a buffer, but check the + * parameters. If the return object is not a buffer, + * then the underlying AML code is corrupt or improperly + * written. + */ + if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_CRS did not return a Buffer, returned %s\n", + AcpiUtGetObjectTypeName (ObjDesc))); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + /* + * Make the call to create a resource linked list from the + * byte stream buffer that comes back from the _CRS method + * execution. + */ + Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); + + /* On exit, we must delete the object returned by evaluateObject */ + +Cleanup: + + AcpiUtRemoveReference (ObjDesc); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsGetPrsMethodData + * + * PARAMETERS: Handle - a handle to the containing object + * RetBuffer - a pointer to a buffer structure for the + * results + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the _PRS value of an object + * contained in an object specified by the handle passed in + * + * If the function fails an appropriate status will be returned + * and the contents of the callers buffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsGetPrsMethodData ( + ACPI_HANDLE Handle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("RsGetPrsMethodData"); + + + /* Parameters guaranteed valid by caller */ + + /* + * Execute the method, no parameters + */ + Status = AcpiNsEvaluateRelative (Handle, "_PRS", NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + if (!ObjDesc) + { + /* Return object is required */ + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _PRS\n")); + return_ACPI_STATUS (AE_TYPE); + } + + /* + * The return object will be a buffer, but check the + * parameters. If the return object is not a buffer, + * then the underlying AML code is corrupt or improperly + * written.. + */ + if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_PRS did not return a Buffer, returned %s\n", + AcpiUtGetObjectTypeName (ObjDesc))); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + /* + * Make the call to create a resource linked list from the + * byte stream buffer that comes back from the _CRS method + * execution. + */ + Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); + + /* On exit, we must delete the object returned by evaluateObject */ + +Cleanup: + + AcpiUtRemoveReference (ObjDesc); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsSetSrsMethodData + * + * PARAMETERS: Handle - a handle to the containing object + * InBuffer - a pointer to a buffer structure of the + * parameter + * + * RETURN: Status + * + * DESCRIPTION: This function is called to set the _SRS of an object contained + * in an object specified by the handle passed in + * + * If the function fails an appropriate status will be returned + * and the contents of the callers buffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsSetSrsMethodData ( + ACPI_HANDLE Handle, + ACPI_BUFFER *InBuffer) +{ + ACPI_OPERAND_OBJECT *Params[2]; + ACPI_STATUS Status; + ACPI_BUFFER Buffer; + + + ACPI_FUNCTION_TRACE ("RsSetSrsMethodData"); + + + /* Parameters guaranteed valid by caller */ + + /* + * The InBuffer parameter will point to a linked list of + * resource parameters. It needs to be formatted into a + * byte stream to be sent in as an input parameter to _SRS + * + * Convert the linked list into a byte stream + */ + Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; + Status = AcpiRsCreateByteStream (InBuffer->Pointer, &Buffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Init the param object + */ + Params[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); + if (!Params[0]) + { + AcpiOsFree (Buffer.Pointer); + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* + * Set up the parameter object + */ + Params[0]->Buffer.Length = (UINT32) Buffer.Length; + Params[0]->Buffer.Pointer = Buffer.Pointer; + Params[0]->Common.Flags = AOPOBJ_DATA_VALID; + Params[1] = NULL; + + /* + * Execute the method, no return value + */ + Status = AcpiNsEvaluateRelative (Handle, "_SRS", Params, NULL); + + /* + * Clean up and return the status from AcpiNsEvaluateRelative + */ + AcpiUtRemoveReference (Params[0]); + return_ACPI_STATUS (Status); +} + |