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Diffstat (limited to 'sys/contrib/dev/acpica/rscreate.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rscreate.c | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rscreate.c b/sys/contrib/dev/acpica/rscreate.c new file mode 100644 index 0000000..07f3f51 --- /dev/null +++ b/sys/contrib/dev/acpica/rscreate.c @@ -0,0 +1,548 @@ +/******************************************************************************* + * + * Module Name: rscreate - AcpiRsCreateResourceList + * AcpiRsCreatePciRoutingTable + * AcpiRsCreateByteStream + * $Revision: 19 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 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 "acresrc.h" + +#define _COMPONENT RESOURCE_MANAGER + MODULE_NAME ("rscreate") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsCreateResourceList + * + * PARAMETERS: + * ByteStreamBuffer - Pointer to the resource byte stream + * OutputBuffer - Pointer to the user's buffer + * OutputBufferLength - Pointer to the size of OutputBuffer + * + * 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 *ByteStreamBuffer, + UINT8 *OutputBuffer, + UINT32 *OutputBufferLength) +{ + + ACPI_STATUS Status; + UINT8 *ByteStreamStart = NULL; + UINT32 ListSizeNeeded = 0; + UINT32 ByteStreamBufferLength = 0; + + + FUNCTION_TRACE ("RsCreateResourceList"); + + + DEBUG_PRINT (VERBOSE_INFO, ("RsCreateResourceList: ByteStreamBuffer = %p\n", + ByteStreamBuffer)); + + /* + * Params already validated, so we don't re-validate here + */ + + ByteStreamBufferLength = ByteStreamBuffer->Buffer.Length; + ByteStreamStart = ByteStreamBuffer->Buffer.Pointer; + + /* + * Pass the ByteStreamBuffer into a module that can calculate + * the buffer size needed for the linked list + */ + Status = AcpiRsCalculateListLength (ByteStreamStart, + ByteStreamBufferLength, + &ListSizeNeeded); + + DEBUG_PRINT (VERBOSE_INFO, + ("RsCreateResourceList: Status=%d ListSizeNeeded=%d\n", + Status, ListSizeNeeded)); + + /* + * Exit with the error passed back + */ + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * If the linked list will fit into the available buffer + * call to fill in the list + */ + + if (ListSizeNeeded <= *OutputBufferLength) + { + /* + * Zero out the return buffer before proceeding + */ + MEMSET (OutputBuffer, 0x00, *OutputBufferLength); + + Status = AcpiRsByteStreamToList (ByteStreamStart, + ByteStreamBufferLength, + &OutputBuffer); + + /* + * Exit with the error passed back + */ + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + DEBUG_PRINT (VERBOSE_INFO, ("RsByteStreamToList: OutputBuffer = %p\n", + OutputBuffer)); + } + + else + { + *OutputBufferLength = ListSizeNeeded; + return_ACPI_STATUS (AE_BUFFER_OVERFLOW); + } + + *OutputBufferLength = ListSizeNeeded; + return_ACPI_STATUS (AE_OK); + +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsCreatePciRoutingTable + * + * PARAMETERS: + * PackageObject - Pointer to an ACPI_OPERAND_OBJECT + * package + * OutputBuffer - Pointer to the user's buffer + * OutputBufferLength - Size of OutputBuffer + * + * 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 OutputBufferLength will point + * to the size buffer needed. + * + * DESCRIPTION: Takes the ACPI_OPERAND_OBJECT package and creates a + * linked list of PCI interrupt descriptions + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsCreatePciRoutingTable ( + ACPI_OPERAND_OBJECT *PackageObject, + UINT8 *OutputBuffer, + UINT32 *OutputBufferLength) +{ + UINT8 *Buffer = OutputBuffer; + ACPI_OPERAND_OBJECT **TopObjectList = NULL; + ACPI_OPERAND_OBJECT **SubObjectList = NULL; + ACPI_OPERAND_OBJECT *PackageElement = NULL; + UINT32 BufferSizeNeeded = 0; + UINT32 NumberOfElements = 0; + UINT32 Index = 0; + PCI_ROUTING_TABLE *UserPrt = NULL; + ACPI_STATUS Status; + + + FUNCTION_TRACE ("RsCreatePciRoutingTable"); + + + /* + * Params already validated, so we don't re-validate here + */ + + Status = AcpiRsCalculatePciRoutingTableLength(PackageObject, + &BufferSizeNeeded); + + DEBUG_PRINT (VERBOSE_INFO, + ("RsCreatePciRoutingTable: BufferSizeNeeded = %d\n", + BufferSizeNeeded)); + + /* + * If the data will fit into the available buffer + * call to fill in the list + */ + if (BufferSizeNeeded <= *OutputBufferLength) + { + /* + * Zero out the return buffer before proceeding + */ + MEMSET (OutputBuffer, 0x00, *OutputBufferLength); + + /* + * Loop through the ACPI_INTERNAL_OBJECTS - Each object should + * contain a UINT32 Address, a UINT8 Pin, a Name and a UINT8 + * SourceIndex. + */ + TopObjectList = PackageObject->Package.Elements; + NumberOfElements = PackageObject->Package.Count; + UserPrt = (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; + Buffer = ROUND_PTR_UP_TO_4 (Buffer, UINT8); + UserPrt = (PCI_ROUTING_TABLE *) Buffer; + + /* + * Fill in the Length field with the information we + * have at this point. + * The minus one is to subtract the size of the + * UINT8 Source[1] member because it is added below. + */ + UserPrt->Length = (sizeof (PCI_ROUTING_TABLE) - 1); + + /* + * Dereference the sub-package + */ + PackageElement = *TopObjectList; + + /* + * The SubObjectList will now point to an array of + * the four IRQ elements: Address, Pin, Source and + * SourceIndex + */ + SubObjectList = PackageElement->Package.Elements; + + /* + * Dereference the Address + */ + if (ACPI_TYPE_NUMBER == (*SubObjectList)->Common.Type) + { + UserPrt->Data.Address = + (*SubObjectList)->Number.Value; + } + + else + { + return_ACPI_STATUS (AE_BAD_DATA); + } + + /* + * Dereference the Pin + */ + SubObjectList++; + + if (ACPI_TYPE_NUMBER == (*SubObjectList)->Common.Type) + { + UserPrt->Data.Pin = + (UINT32) (*SubObjectList)->Number.Value; + } + + else + { + return_ACPI_STATUS (AE_BAD_DATA); + } + + /* + * Dereference the Source Name + */ + SubObjectList++; + + if (ACPI_TYPE_STRING == (*SubObjectList)->Common.Type) + { + STRCPY (UserPrt->Data.Source, + (*SubObjectList)->String.Pointer); + + /* + * Add to the Length field the length of the string + */ + UserPrt->Length += (*SubObjectList)->String.Length; + } + + else + { + /* + * If this is a number, then the Source Name + * is NULL, since the entire buffer was zeroed + * out, we can leave this alone. + */ + if (ACPI_TYPE_NUMBER == (*SubObjectList)->Common.Type) + { + /* + * Add to the Length field the length of + * the UINT32 NULL + */ + UserPrt->Length += sizeof (UINT32); + } + + else + { + return_ACPI_STATUS (AE_BAD_DATA); + } + } + + /* Now align the current length */ + + UserPrt->Length = ROUND_UP_TO_32BITS (UserPrt->Length); + + /* + * Dereference the Source Index + */ + SubObjectList++; + + if (ACPI_TYPE_NUMBER == (*SubObjectList)->Common.Type) + { + UserPrt->Data.SourceIndex = + (UINT32) (*SubObjectList)->Number.Value; + } + + else + { + return_ACPI_STATUS (AE_BAD_DATA); + } + + /* + * Point to the next ACPI_OPERAND_OBJECT + */ + TopObjectList++; + } + + DEBUG_PRINT (VERBOSE_INFO, + ("RsCreatePciRoutingTable: OutputBuffer = %p\n", + OutputBuffer)); + } + + else + { + *OutputBufferLength = BufferSizeNeeded; + + return_ACPI_STATUS (AE_BUFFER_OVERFLOW); + } + + /* + * Report the amount of buffer used + */ + *OutputBufferLength = BufferSizeNeeded; + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsCreateByteStream + * + * PARAMETERS: + * LinkedListBuffer - Pointer to the resource linked list + * OutputBuffer - Pointer to the user's buffer + * OutputBufferLength - Size of OutputBuffer + * + * 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 OutputBufferLength 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 +AcpiRsCreateByteStream ( + RESOURCE *LinkedListBuffer, + UINT8 *OutputBuffer, + UINT32 *OutputBufferLength) +{ + ACPI_STATUS Status; + UINT32 ByteStreamSizeNeeded = 0; + + + FUNCTION_TRACE ("RsCreateByteStream"); + + + DEBUG_PRINT (VERBOSE_INFO, + ("RsCreateByteStream: LinkedListBuffer = %p\n", + LinkedListBuffer)); + + /* + * Params already validated, so we don't re-validate here + * + * Pass the LinkedListBuffer into a module that can calculate + * the buffer size needed for the byte stream. + */ + Status = AcpiRsCalculateByteStreamLength (LinkedListBuffer, + &ByteStreamSizeNeeded); + + DEBUG_PRINT (VERBOSE_INFO, + ("RsCreateByteStream: ByteStreamSizeNeeded=%d, %s\n", + ByteStreamSizeNeeded, + AcpiCmFormatException (Status))); + + /* + * Exit with the error passed back + */ + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * If the linked list will fit into the available buffer + * call to fill in the list + */ + + if (ByteStreamSizeNeeded <= *OutputBufferLength) + { + /* + * Zero out the return buffer before proceeding + */ + MEMSET (OutputBuffer, 0x00, *OutputBufferLength); + + Status = AcpiRsListToByteStream (LinkedListBuffer, + ByteStreamSizeNeeded, + &OutputBuffer); + + /* + * Exit with the error passed back + */ + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + DEBUG_PRINT (VERBOSE_INFO, + ("RsListToByteStream: OutputBuffer = %p\n", + OutputBuffer)); + } + else + { + *OutputBufferLength = ByteStreamSizeNeeded; + return_ACPI_STATUS (AE_BUFFER_OVERFLOW); + } + + return_ACPI_STATUS (AE_OK); +} + |
