| 0,0 → 1,533 |
|---|
| /******************************************************************************* |
| * |
| * Module Name: rscreate - Create resource lists/tables |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2010, 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 __RSCREATE_C__ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acresrc.h" |
| #include "acnamesp.h" |
| |
| #define _COMPONENT ACPI_RESOURCES |
| ACPI_MODULE_NAME ("rscreate") |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiRsCreateResourceList |
| * |
| * PARAMETERS: AmlBuffer - Pointer to the resource byte stream |
| * OutputBuffer - Pointer to the user's buffer |
| * |
| * RETURN: Status: AE_OK if okay, else a valid ACPI_STATUS code |
| * If OutputBuffer is not large enough, OutputBufferLength |
| * indicates how large OutputBuffer should be, else it |
| * indicates how may UINT8 elements of OutputBuffer are valid. |
| * |
| * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method |
| * execution and parses the stream to create a linked list |
| * of device resources. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiRsCreateResourceList ( |
| ACPI_OPERAND_OBJECT *AmlBuffer, |
| ACPI_BUFFER *OutputBuffer) |
| { |
| |
| ACPI_STATUS Status; |
| UINT8 *AmlStart; |
| ACPI_SIZE ListSizeNeeded = 0; |
| UINT32 AmlBufferLength; |
| void *Resource; |
| |
| |
| ACPI_FUNCTION_TRACE (RsCreateResourceList); |
| |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlBuffer = %p\n", |
| AmlBuffer)); |
| |
| /* Params already validated, so we don't re-validate here */ |
| |
| AmlBufferLength = AmlBuffer->Buffer.Length; |
| AmlStart = AmlBuffer->Buffer.Pointer; |
| |
| /* |
| * Pass the AmlBuffer into a module that can calculate |
| * the buffer size needed for the linked list |
| */ |
| Status = AcpiRsGetListLength (AmlStart, AmlBufferLength, |
| &ListSizeNeeded); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n", |
| Status, (UINT32) ListSizeNeeded)); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* Validate/Allocate/Clear caller buffer */ |
| |
| Status = AcpiUtInitializeBuffer (OutputBuffer, ListSizeNeeded); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* Do the conversion */ |
| |
| Resource = OutputBuffer->Pointer; |
| Status = AcpiUtWalkAmlResources (AmlStart, AmlBufferLength, |
| AcpiRsConvertAmlToResources, &Resource); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
| OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiRsCreatePciRoutingTable |
| * |
| * PARAMETERS: PackageObject - Pointer to an ACPI_OPERAND_OBJECT |
| * package |
| * OutputBuffer - Pointer to the user's buffer |
| * |
| * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code. |
| * If the OutputBuffer is too small, the error will be |
| * AE_BUFFER_OVERFLOW and OutputBuffer->Length will point |
| * to the size buffer needed. |
| * |
| * DESCRIPTION: Takes the ACPI_OPERAND_OBJECT package and creates a |
| * linked list of PCI interrupt descriptions |
| * |
| * NOTE: It is the caller's responsibility to ensure that the start of the |
| * output buffer is aligned properly (if necessary). |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiRsCreatePciRoutingTable ( |
| ACPI_OPERAND_OBJECT *PackageObject, |
| ACPI_BUFFER *OutputBuffer) |
| { |
| UINT8 *Buffer; |
| ACPI_OPERAND_OBJECT **TopObjectList; |
| ACPI_OPERAND_OBJECT **SubObjectList; |
| ACPI_OPERAND_OBJECT *ObjDesc; |
| ACPI_SIZE BufferSizeNeeded = 0; |
| UINT32 NumberOfElements; |
| UINT32 Index; |
| ACPI_PCI_ROUTING_TABLE *UserPrt; |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| ACPI_BUFFER PathBuffer; |
| |
| |
| ACPI_FUNCTION_TRACE (RsCreatePciRoutingTable); |
| |
| |
| /* Params already validated, so we don't re-validate here */ |
| |
| /* Get the required buffer length */ |
| |
| Status = AcpiRsGetPciRoutingTableLength (PackageObject, |
| &BufferSizeNeeded); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "BufferSizeNeeded = %X\n", |
| (UINT32) BufferSizeNeeded)); |
| |
| /* Validate/Allocate/Clear caller buffer */ |
| |
| Status = AcpiUtInitializeBuffer (OutputBuffer, BufferSizeNeeded); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* |
| * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a |
| * package that in turn contains an UINT64 Address, a UINT8 Pin, |
| * a Name, and a UINT8 SourceIndex. |
| */ |
| TopObjectList = PackageObject->Package.Elements; |
| NumberOfElements = PackageObject->Package.Count; |
| Buffer = OutputBuffer->Pointer; |
| UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer); |
| |
| for (Index = 0; Index < NumberOfElements; Index++) |
| { |
| /* |
| * Point UserPrt past this current structure |
| * |
| * NOTE: On the first iteration, UserPrt->Length will |
| * be zero because we cleared the return buffer earlier |
| */ |
| Buffer += UserPrt->Length; |
| UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer); |
| |
| /* |
| * Fill in the Length field with the information we have at this point. |
| * The minus four is to subtract the size of the UINT8 Source[4] member |
| * because it is added below. |
| */ |
| UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4); |
| |
| /* Each element of the top-level package must also be a package */ |
| |
| if ((*TopObjectList)->Common.Type != ACPI_TYPE_PACKAGE) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "(PRT[%u]) Need sub-package, found %s", |
| Index, AcpiUtGetObjectTypeName (*TopObjectList))); |
| return_ACPI_STATUS (AE_AML_OPERAND_TYPE); |
| } |
| |
| /* Each sub-package must be of length 4 */ |
| |
| if ((*TopObjectList)->Package.Count != 4) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "(PRT[%u]) Need package of length 4, found length %u", |
| Index, (*TopObjectList)->Package.Count)); |
| return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT); |
| } |
| |
| /* |
| * Dereference the sub-package. |
| * The SubObjectList will now point to an array of the four IRQ |
| * elements: [Address, Pin, Source, SourceIndex] |
| */ |
| SubObjectList = (*TopObjectList)->Package.Elements; |
| |
| /* 1) First subobject: Dereference the PRT.Address */ |
| |
| ObjDesc = SubObjectList[0]; |
| if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| { |
| ACPI_ERROR ((AE_INFO, "(PRT[%u].Address) Need Integer, found %s", |
| Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| return_ACPI_STATUS (AE_BAD_DATA); |
| } |
| |
| UserPrt->Address = ObjDesc->Integer.Value; |
| |
| /* 2) Second subobject: Dereference the PRT.Pin */ |
| |
| ObjDesc = SubObjectList[1]; |
| if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| { |
| ACPI_ERROR ((AE_INFO, "(PRT[%u].Pin) Need Integer, found %s", |
| Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| return_ACPI_STATUS (AE_BAD_DATA); |
| } |
| |
| UserPrt->Pin = (UINT32) ObjDesc->Integer.Value; |
| |
| /* |
| * If the BIOS has erroneously reversed the _PRT SourceName (index 2) |
| * and the SourceIndex (index 3), fix it. _PRT is important enough to |
| * workaround this BIOS error. This also provides compatibility with |
| * other ACPI implementations. |
| */ |
| ObjDesc = SubObjectList[3]; |
| if (!ObjDesc || (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)) |
| { |
| SubObjectList[3] = SubObjectList[2]; |
| SubObjectList[2] = ObjDesc; |
| |
| ACPI_WARNING ((AE_INFO, |
| "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed", |
| Index)); |
| } |
| |
| /* |
| * 3) Third subobject: Dereference the PRT.SourceName |
| * The name may be unresolved (slack mode), so allow a null object |
| */ |
| ObjDesc = SubObjectList[2]; |
| if (ObjDesc) |
| { |
| switch (ObjDesc->Common.Type) |
| { |
| case ACPI_TYPE_LOCAL_REFERENCE: |
| |
| if (ObjDesc->Reference.Class != ACPI_REFCLASS_NAME) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "(PRT[%u].Source) Need name, found Reference Class 0x%X", |
| Index, ObjDesc->Reference.Class)); |
| return_ACPI_STATUS (AE_BAD_DATA); |
| } |
| |
| Node = ObjDesc->Reference.Node; |
| |
| /* Use *remaining* length of the buffer as max for pathname */ |
| |
| PathBuffer.Length = OutputBuffer->Length - |
| (UINT32) ((UINT8 *) UserPrt->Source - |
| (UINT8 *) OutputBuffer->Pointer); |
| PathBuffer.Pointer = UserPrt->Source; |
| |
| Status = AcpiNsHandleToPathname ((ACPI_HANDLE) Node, &PathBuffer); |
| |
| /* +1 to include null terminator */ |
| |
| UserPrt->Length += (UINT32) ACPI_STRLEN (UserPrt->Source) + 1; |
| break; |
| |
| |
| case ACPI_TYPE_STRING: |
| |
| ACPI_STRCPY (UserPrt->Source, ObjDesc->String.Pointer); |
| |
| /* |
| * Add to the Length field the length of the string |
| * (add 1 for terminator) |
| */ |
| UserPrt->Length += ObjDesc->String.Length + 1; |
| break; |
| |
| |
| case ACPI_TYPE_INTEGER: |
| /* |
| * If this is a number, then the Source Name is NULL, since the |
| * entire buffer was zeroed out, we can leave this alone. |
| * |
| * Add to the Length field the length of the UINT32 NULL |
| */ |
| UserPrt->Length += sizeof (UINT32); |
| break; |
| |
| |
| default: |
| |
| ACPI_ERROR ((AE_INFO, |
| "(PRT[%u].Source) Need Ref/String/Integer, found %s", |
| Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| return_ACPI_STATUS (AE_BAD_DATA); |
| } |
| } |
| |
| /* Now align the current length */ |
| |
| UserPrt->Length = (UINT32) ACPI_ROUND_UP_TO_64BIT (UserPrt->Length); |
| |
| /* 4) Fourth subobject: Dereference the PRT.SourceIndex */ |
| |
| ObjDesc = SubObjectList[3]; |
| if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "(PRT[%u].SourceIndex) Need Integer, found %s", |
| Index, AcpiUtGetObjectTypeName (ObjDesc))); |
| return_ACPI_STATUS (AE_BAD_DATA); |
| } |
| |
| UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value; |
| |
| /* Point to the next ACPI_OPERAND_OBJECT in the top level package */ |
| |
| TopObjectList++; |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
| OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiRsCreateAmlResources |
| * |
| * PARAMETERS: LinkedListBuffer - Pointer to the resource linked list |
| * OutputBuffer - Pointer to the user's buffer |
| * |
| * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code. |
| * If the OutputBuffer is too small, the error will be |
| * AE_BUFFER_OVERFLOW and OutputBuffer->Length will point |
| * to the size buffer needed. |
| * |
| * DESCRIPTION: Takes the linked list of device resources and |
| * creates a bytestream to be used as input for the |
| * _SRS control method. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiRsCreateAmlResources ( |
| ACPI_RESOURCE *LinkedListBuffer, |
| ACPI_BUFFER *OutputBuffer) |
| { |
| ACPI_STATUS Status; |
| ACPI_SIZE AmlSizeNeeded = 0; |
| |
| |
| ACPI_FUNCTION_TRACE (RsCreateAmlResources); |
| |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "LinkedListBuffer = %p\n", |
| LinkedListBuffer)); |
| |
| /* |
| * Params already validated, so we don't re-validate here |
| * |
| * Pass the LinkedListBuffer into a module that calculates |
| * the buffer size needed for the byte stream. |
| */ |
| Status = AcpiRsGetAmlLength (LinkedListBuffer, |
| &AmlSizeNeeded); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n", |
| (UINT32) AmlSizeNeeded, AcpiFormatException (Status))); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* Validate/Allocate/Clear caller buffer */ |
| |
| Status = AcpiUtInitializeBuffer (OutputBuffer, AmlSizeNeeded); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* Do the conversion */ |
| |
| Status = AcpiRsConvertResourcesToAml (LinkedListBuffer, AmlSizeNeeded, |
| OutputBuffer->Pointer); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n", |
| OutputBuffer->Pointer, (UINT32) OutputBuffer->Length)); |
| return_ACPI_STATUS (AE_OK); |
| } |
| |