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freebsd-skq/sys/contrib/dev/acpica/rslist.c

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Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
/*******************************************************************************
*
* Module Name: rslist - AcpiRsByteStreamToList
* AcpiListToByteStream
Update to the 20010125 ACPI CA snapshot.
2001-01-31 09:17:50 +00:00
* $Revision: 10 $
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
Update to the 20010125 ACPI CA snapshot.
2001-01-31 09:17:50 +00:00
* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
Update to the Intel 20001215 ACPI CA snapshot.
2000-12-21 06:56:46 +00:00
* All rights reserved.
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
* 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 __RSLIST_C__
#include "acpi.h"
#include "acresrc.h"
#define _COMPONENT RESOURCE_MANAGER
MODULE_NAME ("rslist")
/*******************************************************************************
*
* FUNCTION: AcpiRsByteStreamToList
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource byte stream
* ByteStreamBufferLength - Length of ByteStreamBuffer
* OutputBuffer - Pointer to the buffer that will
* contain the output structures
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Takes the resource byte stream and parses it, creating a
* linked list of resources in the caller's output buffer
*
******************************************************************************/
ACPI_STATUS
AcpiRsByteStreamToList (
UINT8 *ByteStreamBuffer,
UINT32 ByteStreamBufferLength,
UINT8 **OutputBuffer)
{
ACPI_STATUS Status;
UINT32 BytesParsed = 0;
UINT8 ResourceType = 0;
UINT32 BytesConsumed = 0;
UINT8 **Buffer = OutputBuffer;
UINT32 StructureSize = 0;
BOOLEAN EndTagProcessed = FALSE;
FUNCTION_TRACE ("RsByteStreamToList");
while (BytesParsed < ByteStreamBufferLength &&
FALSE == EndTagProcessed)
{
/*
* Look at the next byte in the stream
*/
ResourceType = *ByteStreamBuffer;
/*
* See if this is a small or large resource
*/
if(ResourceType & 0x80)
{
/*
* Large Resource Type
*/
switch (ResourceType)
{
case MEMORY_RANGE_24:
/*
* 24-Bit Memory Resource
*/
Status = AcpiRsMemory24Resource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case LARGE_VENDOR_DEFINED:
/*
* Vendor Defined Resource
*/
Status = AcpiRsVendorResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case MEMORY_RANGE_32:
/*
* 32-Bit Memory Range Resource
*/
Status = AcpiRsMemory32RangeResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case FIXED_MEMORY_RANGE_32:
/*
* 32-Bit Fixed Memory Resource
*/
Status = AcpiRsFixedMemory32Resource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case DWORD_ADDRESS_SPACE:
/*
* 32-Bit Address Resource
*/
Status = AcpiRsAddress32Resource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case WORD_ADDRESS_SPACE:
/*
* 16-Bit Address Resource
*/
Status = AcpiRsAddress16Resource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case EXTENDED_IRQ:
/*
* Extended IRQ
*/
Status = AcpiRsExtendedIrqResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
/* TBD: [Future] 64-bit not currently supported */
/*
case 0x8A:
break;
*/
default:
/*
* If we get here, everything is out of sync,
* so exit with an error
*/
return_ACPI_STATUS (AE_AML_ERROR);
break;
}
}
else
{
/*
* Small Resource Type
* Only bits 7:3 are valid
*/
ResourceType >>= 3;
switch(ResourceType)
{
case IRQ_FORMAT:
/*
* IRQ Resource
*/
Status = AcpiRsIrqResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case DMA_FORMAT:
/*
* DMA Resource
*/
Status = AcpiRsDmaResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case START_DEPENDENT_TAG:
/*
* Start Dependent Functions Resource
*/
Status = AcpiRsStartDependentFunctionsResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case END_DEPENDENT_TAG:
/*
* End Dependent Functions Resource
*/
Status = AcpiRsEndDependentFunctionsResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case IO_PORT_DESCRIPTOR:
/*
* IO Port Resource
*/
Status = AcpiRsIoResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case FIXED_LOCATION_IO_DESCRIPTOR:
/*
* Fixed IO Port Resource
*/
Status = AcpiRsFixedIoResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case SMALL_VENDOR_DEFINED:
/*
* Vendor Specific Resource
*/
Status = AcpiRsVendorResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
break;
case END_TAG:
/*
* End Tag
*/
Status = AcpiRsEndTagResource(ByteStreamBuffer,
&BytesConsumed,
Buffer,
&StructureSize);
EndTagProcessed = TRUE;
break;
default:
/*
* If we get here, everything is out of sync,
* so exit with an error
*/
return_ACPI_STATUS (AE_AML_ERROR);
break;
} /* switch */
} /* end else */
/*
* Update the return value and counter
*/
BytesParsed += BytesConsumed;
/*
* Set the byte stream to point to the next resource
*/
ByteStreamBuffer += BytesConsumed;
/*
* Set the Buffer to the next structure
*/
*Buffer += StructureSize;
} /* end while */
/*
* Check the reason for exiting the while loop
*/
if (!(ByteStreamBufferLength == BytesParsed) ||
(TRUE != EndTagProcessed))
{
return_ACPI_STATUS (AE_AML_ERROR);
}
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsListToByteStream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* ByteSteamSizeNeeded - Calculated size of the byte stream
* needed from calling
* AcpiRsCalculateByteStreamLength()
* The size of the OutputBuffer is
* guaranteed to be >=
* ByteStreamSizeNeeded
* OutputBuffer - Pointer to the buffer that will
* contain the byte stream
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Takes the resource linked list and parses it, creating a
* byte stream of resources in the caller's output buffer
*
******************************************************************************/
ACPI_STATUS
AcpiRsListToByteStream (
RESOURCE *LinkedList,
UINT32 ByteStreamSizeNeeded,
UINT8 **OutputBuffer)
{
ACPI_STATUS Status;
UINT8 *Buffer = *OutputBuffer;
UINT32 BytesConsumed = 0;
BOOLEAN Done = FALSE;
FUNCTION_TRACE ("RsListToByteStream");
while (!Done)
{
switch (LinkedList->Id)
{
case Irq:
/*
* IRQ Resource
*/
Status = AcpiRsIrqStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case Dma:
/*
* DMA Resource
*/
Status = AcpiRsDmaStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case StartDependentFunctions:
/*
* Start Dependent Functions Resource
*/
Status = AcpiRsStartDependentFunctionsStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case EndDependentFunctions:
/*
* End Dependent Functions Resource
*/
Status = AcpiRsEndDependentFunctionsStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case Io:
/*
* IO Port Resource
*/
Status = AcpiRsIoStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case FixedIo:
/*
* Fixed IO Port Resource
*/
Status = AcpiRsFixedIoStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case VendorSpecific:
/*
* Vendor Defined Resource
*/
Status = AcpiRsVendorStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case EndTag:
/*
* End Tag
*/
Status = AcpiRsEndTagStream (LinkedList,
&Buffer,
&BytesConsumed);
/*
* An End Tag indicates the end of the Resource Template
*/
Done = TRUE;
break;
case Memory24:
/*
* 24-Bit Memory Resource
*/
Status = AcpiRsMemory24Stream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case Memory32:
/*
* 32-Bit Memory Range Resource
*/
Status = AcpiRsMemory32RangeStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case FixedMemory32:
/*
* 32-Bit Fixed Memory Resource
*/
Status = AcpiRsFixedMemory32Stream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case Address16:
/*
* 16-Bit Address Descriptor Resource
*/
Status = AcpiRsAddress16Stream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case Address32:
/*
* 32-Bit Address Descriptor Resource
*/
Status = AcpiRsAddress32Stream (LinkedList,
&Buffer,
&BytesConsumed);
break;
case ExtendedIrq:
/*
* Extended IRQ Resource
*/
Status = AcpiRsExtendedIrqStream (LinkedList,
&Buffer,
&BytesConsumed);
break;
default:
/*
* If we get here, everything is out of sync,
* so exit with an error
*/
return_ACPI_STATUS (AE_BAD_DATA);
break;
} /* switch (LinkedList->Id) */
/*
* Set the Buffer to point to the open byte
*/
Buffer += BytesConsumed;
/*
* Point to the next object
*/
LinkedList = (RESOURCE *) ((NATIVE_UINT) LinkedList +
(NATIVE_UINT) LinkedList->Length);
}
return_ACPI_STATUS (AE_OK);
}
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