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rsaddr.c
(19.87 KB)
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rscalc.c
(32.99 KB)
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rscreate.c
(22.71 KB)
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rsdump.c
(24.05 KB)
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rsdumpinfo.c
(35.32 KB)
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rsinfo.c
(20.04 KB)
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rsio.c
(16.51 KB)
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rsirq.c
(17.26 KB)
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rslist.c
(15.5 KB)
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rsmemory.c
(14.5 KB)
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rsmisc.c
(30.65 KB)
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rsserial.c
(36.61 KB)
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rsutils.c
(31.24 KB)
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rsxface.c
(28.46 KB)
Editing: rscreate.c
/******************************************************************************* * * Module Name: rscreate - Create resource lists/tables * ******************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2020, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/accommon.h> #include <contrib/dev/acpica/include/acresrc.h> #include <contrib/dev/acpica/include/acnamesp.h> #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rscreate") /******************************************************************************* * * FUNCTION: AcpiBufferToResource * * PARAMETERS: AmlBuffer - Pointer to the resource byte stream * AmlBufferLength - Length of the AmlBuffer * ResourcePtr - Where the converted resource is returned * * RETURN: Status * * DESCRIPTION: Convert a raw AML buffer to a resource list * ******************************************************************************/ ACPI_STATUS AcpiBufferToResource ( UINT8 *AmlBuffer, UINT16 AmlBufferLength, ACPI_RESOURCE **ResourcePtr) { ACPI_STATUS Status; ACPI_SIZE ListSizeNeeded; void *Resource; void *CurrentResourcePtr; ACPI_FUNCTION_TRACE (AcpiBufferToResource); /* * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag * is not required here. */ /* Get the required length for the converted resource */ Status = AcpiRsGetListLength ( AmlBuffer, AmlBufferLength, &ListSizeNeeded); if (Status == AE_AML_NO_RESOURCE_END_TAG) { Status = AE_OK; } if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* Allocate a buffer for the converted resource */ Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded); CurrentResourcePtr = Resource; if (!Resource) { return_ACPI_STATUS (AE_NO_MEMORY); } /* Perform the AML-to-Resource conversion */ Status = AcpiUtWalkAmlResources (NULL, AmlBuffer, AmlBufferLength, AcpiRsConvertAmlToResources, &CurrentResourcePtr); if (Status == AE_AML_NO_RESOURCE_END_TAG) { Status = AE_OK; } if (ACPI_FAILURE (Status)) { ACPI_FREE (Resource); } else { *ResourcePtr = Resource; } return_ACPI_STATUS (Status); } ACPI_EXPORT_SYMBOL (AcpiBufferToResource) /******************************************************************************* * * 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 (NULL, 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 a package containing one * of more ACPI_OPERAND_OBJECTs * 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 subpackage 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 subpackage. * 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 || 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 || 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; /* * 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, FALSE); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* +1 to include null terminator */ UserPrt->Length += (UINT32) strlen (UserPrt->Source) + 1; break; case ACPI_TYPE_STRING: 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 || 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: ResourceList - Pointer to the resource list buffer * OutputBuffer - Where the AML buffer is returned * * 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: Converts a list of device resources to an AML bytestream * to be used as input for the _SRS control method. * ******************************************************************************/ ACPI_STATUS AcpiRsCreateAmlResources ( ACPI_BUFFER *ResourceList, ACPI_BUFFER *OutputBuffer) { ACPI_STATUS Status; ACPI_SIZE AmlSizeNeeded = 0; ACPI_FUNCTION_TRACE (RsCreateAmlResources); /* Params already validated, no need to re-validate here */ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ResourceList Buffer = %p\n", ResourceList->Pointer)); /* Get the buffer size needed for the AML byte stream */ Status = AcpiRsGetAmlLength ( ResourceList->Pointer, ResourceList->Length, &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 (ResourceList->Pointer, 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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