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+/*******************************************************************************
+ *
+ * Module Name: rscreate - Create resource lists/tables
+ * $Revision: 1.78 $
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h>
+#include <contrib/dev/acpica/acresrc.h>
+#include <contrib/dev/acpica/amlcode.h>
+#include <contrib/dev/acpica/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
+ * ACPI_INTEGER 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 (ACPI_GET_OBJECT_TYPE (*TopObjectList) != ACPI_TYPE_PACKAGE)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "(PRT[%X]) 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[%X]) Need package of length 4, found length %d",
+ 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 (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+ {
+ UserPrt->Address = ObjDesc->Integer.Value;
+ }
+ else
+ {
+ ACPI_ERROR ((AE_INFO,
+ "(PRT[%X].Address) Need Integer, found %s",
+ Index, AcpiUtGetObjectTypeName (ObjDesc)));
+ return_ACPI_STATUS (AE_BAD_DATA);
+ }
+
+ /* 2) Second subobject: Dereference the PRT.Pin */
+
+ ObjDesc = SubObjectList[1];
+ if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+ {
+ UserPrt->Pin = (UINT32) ObjDesc->Integer.Value;
+ }
+ else
+ {
+ ACPI_ERROR ((AE_INFO,
+ "(PRT[%X].Pin) Need Integer, found %s",
+ Index, AcpiUtGetObjectTypeName (ObjDesc)));
+ return_ACPI_STATUS (AE_BAD_DATA);
+ }
+
+ /*
+ * 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 (ACPI_GET_OBJECT_TYPE (ObjDesc))
+ {
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ if (ObjDesc->Reference.Opcode != AML_INT_NAMEPATH_OP)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "(PRT[%X].Source) Need name, found reference op %X",
+ Index, ObjDesc->Reference.Opcode));
+ 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[%X].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 (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
+ {
+ UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value;
+ }
+ else
+ {
+ ACPI_ERROR ((AE_INFO,
+ "(PRT[%X].SourceIndex) Need Integer, found %s",
+ Index, AcpiUtGetObjectTypeName (ObjDesc)));
+ return_ACPI_STATUS (AE_BAD_DATA);
+ }
+
+ /* 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);
+}
+
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