diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/resources/rslist.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/resources/rslist.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/resources/rslist.c b/sys/contrib/dev/acpica/components/resources/rslist.c new file mode 100644 index 000000000000..d66613b1cf63 --- /dev/null +++ b/sys/contrib/dev/acpica/components/resources/rslist.c @@ -0,0 +1,390 @@ +/******************************************************************************* + * + * Module Name: rslist - Linked list utilities + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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> + +#define _COMPONENT ACPI_RESOURCES + ACPI_MODULE_NAME ("rslist") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsConvertAmlToResources + * + * PARAMETERS: ACPI_WALK_AML_CALLBACK + * ResourcePtr - Pointer to the buffer that will + * contain the output structures + * + * RETURN: Status + * + * DESCRIPTION: Convert an AML resource to an internal representation of the + * resource that is aligned and easier to access. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsConvertAmlToResources ( + UINT8 *Aml, + UINT32 Length, + UINT32 Offset, + UINT8 ResourceIndex, + void **Context) +{ + ACPI_RESOURCE **ResourcePtr = ACPI_CAST_INDIRECT_PTR ( + ACPI_RESOURCE, Context); + ACPI_RESOURCE *Resource; + AML_RESOURCE *AmlResource; + ACPI_RSCONVERT_INFO *ConversionTable; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE (RsConvertAmlToResources); + + + /* + * Check that the input buffer and all subsequent pointers into it + * are aligned on a native word boundary. Most important on IA64 + */ + Resource = *ResourcePtr; + if (ACPI_IS_MISALIGNED (Resource)) + { + ACPI_WARNING ((AE_INFO, + "Misaligned resource pointer %p", Resource)); + } + + /* Get the appropriate conversion info table */ + + AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml); + + if (AcpiUtGetResourceType (Aml) == + ACPI_RESOURCE_NAME_SERIAL_BUS) + { + if (AmlResource->CommonSerialBus.Type > + AML_RESOURCE_MAX_SERIALBUSTYPE) + { + ConversionTable = NULL; + } + else + { + /* This is an I2C, SPI, or UART SerialBus descriptor */ + + ConversionTable = AcpiGbl_ConvertResourceSerialBusDispatch [ + AmlResource->CommonSerialBus.Type]; + } + } + else + { + ConversionTable = AcpiGbl_GetResourceDispatch[ResourceIndex]; + } + + if (!ConversionTable) + { + ACPI_ERROR ((AE_INFO, + "Invalid/unsupported resource descriptor: Type 0x%2.2X", + ResourceIndex)); + return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); + } + + /* Convert the AML byte stream resource to a local resource struct */ + + Status = AcpiRsConvertAmlToResource ( + Resource, AmlResource, ConversionTable); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, + "Could not convert AML resource (Type 0x%X)", *Aml)); + return_ACPI_STATUS (Status); + } + + ACPI_DEBUG_PRINT ((ACPI_DB_RESOURCES, + "Type %.2X, AmlLength %.2X InternalLength %.2X\n", + AcpiUtGetResourceType (Aml), Length, + Resource->Length)); + + /* Point to the next structure in the output buffer */ + + *ResourcePtr = ACPI_NEXT_RESOURCE (Resource); + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsConvertResourcesToAml + * + * PARAMETERS: Resource - Pointer to the resource linked list + * AmlSizeNeeded - Calculated size of the byte stream + * needed from calling AcpiRsGetAmlLength() + * The size of the OutputBuffer is + * guaranteed to be >= AmlSizeNeeded + * OutputBuffer - Pointer to the buffer that will + * contain the byte stream + * + * RETURN: Status + * + * DESCRIPTION: Takes the resource linked list and parses it, creating a + * byte stream of resources in the caller's output buffer + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsConvertResourcesToAml ( + ACPI_RESOURCE *Resource, + ACPI_SIZE AmlSizeNeeded, + UINT8 *OutputBuffer) +{ + UINT8 *Aml = OutputBuffer; + UINT8 *EndAml = OutputBuffer + AmlSizeNeeded; + ACPI_RSCONVERT_INFO *ConversionTable; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE (RsConvertResourcesToAml); + + + /* Walk the resource descriptor list, convert each descriptor */ + + while (Aml < EndAml) + { + /* Validate the (internal) Resource Type */ + + if (Resource->Type > ACPI_RESOURCE_TYPE_MAX) + { + ACPI_ERROR ((AE_INFO, + "Invalid descriptor type (0x%X) in resource list", + Resource->Type)); + return_ACPI_STATUS (AE_BAD_DATA); + } + + /* Sanity check the length. It must not be zero, or we loop forever */ + + if (!Resource->Length) + { + ACPI_ERROR ((AE_INFO, + "Invalid zero length descriptor in resource list\n")); + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); + } + + /* Perform the conversion */ + + if (Resource->Type == ACPI_RESOURCE_TYPE_SERIAL_BUS) + { + if (Resource->Data.CommonSerialBus.Type > + AML_RESOURCE_MAX_SERIALBUSTYPE) + { + ConversionTable = NULL; + } + else + { + /* This is an I2C, SPI, or UART SerialBus descriptor */ + + ConversionTable = AcpiGbl_ConvertResourceSerialBusDispatch[ + Resource->Data.CommonSerialBus.Type]; + } + } + else + { + ConversionTable = AcpiGbl_SetResourceDispatch[Resource->Type]; + } + + if (!ConversionTable) + { + ACPI_ERROR ((AE_INFO, + "Invalid/unsupported resource descriptor: Type 0x%2.2X", + Resource->Type)); + return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); + } + + Status = AcpiRsConvertResourceToAml (Resource, + ACPI_CAST_PTR (AML_RESOURCE, Aml), ConversionTable); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, + "Could not convert resource (type 0x%X) to AML", + Resource->Type)); + return_ACPI_STATUS (Status); + } + + /* Perform final sanity check on the new AML resource descriptor */ + + Status = AcpiUtValidateResource ( + NULL, ACPI_CAST_PTR (AML_RESOURCE, Aml), NULL); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Check for end-of-list, normal exit */ + + if (Resource->Type == ACPI_RESOURCE_TYPE_END_TAG) + { + /* An End Tag indicates the end of the input Resource Template */ + + return_ACPI_STATUS (AE_OK); + } + + /* + * Extract the total length of the new descriptor and set the + * Aml to point to the next (output) resource descriptor + */ + Aml += AcpiUtGetDescriptorLength (Aml); + + /* Point to the next input resource descriptor */ + + Resource = ACPI_NEXT_RESOURCE (Resource); + } + + /* Completed buffer, but did not find an EndTag resource descriptor */ + + return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); +} |