/******************************************************************************* * * Module Name: rsxface - Public interfaces to the resource manager * $Revision: 24 $ * ******************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2003, 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. * *****************************************************************************/ /* $DragonFly: src/sys/contrib/dev/acpica/Attic/rsxface.c,v 1.1 2003/09/24 03:32:16 drhodus Exp $ */ #define __RSXFACE_C__ #include "acpi.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rsxface") /******************************************************************************* * * FUNCTION: AcpiGetIrqRoutingTable * * PARAMETERS: DeviceHandle - a handle to the Bus device we are querying * RetBuffer - a pointer to a buffer to receive the * current resources for the device * * RETURN: Status * * DESCRIPTION: This function is called to get the IRQ routing table for a * specific bus. The caller must first acquire a handle for the * desired bus. The routine table is placed in the buffer pointed * to by the RetBuffer variable parameter. * * If the function fails an appropriate status will be returned * and the value of RetBuffer is undefined. * * This function attempts to execute the _PRT method contained in * the object indicated by the passed DeviceHandle. * ******************************************************************************/ ACPI_STATUS AcpiGetIrqRoutingTable ( ACPI_HANDLE DeviceHandle, ACPI_BUFFER *RetBuffer) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE ("AcpiGetIrqRoutingTable "); /* * Must have a valid handle and buffer, So we have to have a handle * and a return buffer structure, and if there is a non-zero buffer length * we also need a valid pointer in the buffer. If it's a zero buffer length, * we'll be returning the needed buffer size, so keep going. */ if (!DeviceHandle) { return_ACPI_STATUS (AE_BAD_PARAMETER); } Status = AcpiUtValidateBuffer (RetBuffer); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } Status = AcpiRsGetPrtMethodData (DeviceHandle, RetBuffer); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiGetCurrentResources * * PARAMETERS: DeviceHandle - a handle to the device object for the * device we are querying * RetBuffer - a pointer to a buffer to receive the * current resources for the device * * RETURN: Status * * DESCRIPTION: This function is called to get the current resources for a * specific device. The caller must first acquire a handle for * the desired device. The resource data is placed in the buffer * pointed to by the RetBuffer variable parameter. * * If the function fails an appropriate status will be returned * and the value of RetBuffer is undefined. * * This function attempts to execute the _CRS method contained in * the object indicated by the passed DeviceHandle. * ******************************************************************************/ ACPI_STATUS AcpiGetCurrentResources ( ACPI_HANDLE DeviceHandle, ACPI_BUFFER *RetBuffer) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE ("AcpiGetCurrentResources"); /* * Must have a valid handle and buffer, So we have to have a handle * and a return buffer structure, and if there is a non-zero buffer length * we also need a valid pointer in the buffer. If it's a zero buffer length, * we'll be returning the needed buffer size, so keep going. */ if (!DeviceHandle) { return_ACPI_STATUS (AE_BAD_PARAMETER); } Status = AcpiUtValidateBuffer (RetBuffer); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } Status = AcpiRsGetCrsMethodData (DeviceHandle, RetBuffer); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiGetPossibleResources * * PARAMETERS: DeviceHandle - a handle to the device object for the * device we are querying * RetBuffer - a pointer to a buffer to receive the * resources for the device * * RETURN: Status * * DESCRIPTION: This function is called to get a list of the possible resources * for a specific device. The caller must first acquire a handle * for the desired device. The resource data is placed in the * buffer pointed to by the RetBuffer variable. * * If the function fails an appropriate status will be returned * and the value of RetBuffer is undefined. * ******************************************************************************/ ACPI_STATUS AcpiGetPossibleResources ( ACPI_HANDLE DeviceHandle, ACPI_BUFFER *RetBuffer) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE ("AcpiGetPossibleResources"); /* * Must have a valid handle and buffer, So we have to have a handle * and a return buffer structure, and if there is a non-zero buffer length * we also need a valid pointer in the buffer. If it's a zero buffer length, * we'll be returning the needed buffer size, so keep going. */ if (!DeviceHandle) { return_ACPI_STATUS (AE_BAD_PARAMETER); } Status = AcpiUtValidateBuffer (RetBuffer); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } Status = AcpiRsGetPrsMethodData (DeviceHandle, RetBuffer); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiWalkResources * * PARAMETERS: DeviceHandle - a handle to the device object for the * device we are querying * Path - method name of the resources we want * (METHOD_NAME__CRS or METHOD_NAME__PRS) * UserFunction - called for each resource * Context - passed to UserFunction * * RETURN: Status * * DESCRIPTION: Retrieves the current or possible resource list for the * specified device. The UserFunction is called once for * each resource in the list. * ******************************************************************************/ ACPI_STATUS AcpiWalkResources ( ACPI_HANDLE DeviceHandle, char *Path, ACPI_WALK_RESOURCE_CALLBACK UserFunction, void *Context) { ACPI_STATUS Status; ACPI_BUFFER Buffer = {ACPI_ALLOCATE_BUFFER, NULL}; ACPI_RESOURCE *Resource; ACPI_FUNCTION_TRACE ("AcpiWalkResources"); if (!DeviceHandle || (ACPI_STRNCMP (Path, METHOD_NAME__CRS, sizeof (METHOD_NAME__CRS)) && ACPI_STRNCMP (Path, METHOD_NAME__PRS, sizeof (METHOD_NAME__PRS)))) { return_ACPI_STATUS (AE_BAD_PARAMETER); } Status = AcpiRsGetMethodData (DeviceHandle, Path, &Buffer); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } Resource = (ACPI_RESOURCE *) Buffer.Pointer; for (;;) { if (!Resource || Resource->Id == ACPI_RSTYPE_END_TAG) { break; } Status = UserFunction (Resource, Context); switch (Status) { case AE_OK: case AE_CTRL_DEPTH: /* Just keep going */ Status = AE_OK; break; case AE_CTRL_TERMINATE: /* Exit now, with OK stats */ Status = AE_OK; goto Cleanup; default: /* All others are valid exceptions */ goto Cleanup; } Resource = ACPI_NEXT_RESOURCE (Resource); } Cleanup: AcpiOsFree (Buffer.Pointer); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiSetCurrentResources * * PARAMETERS: DeviceHandle - a handle to the device object for the * device we are changing the resources of * InBuffer - a pointer to a buffer containing the * resources to be set for the device * * RETURN: Status * * DESCRIPTION: This function is called to set the current resources for a * specific device. The caller must first acquire a handle for * the desired device. The resource data is passed to the routine * the buffer pointed to by the InBuffer variable. * ******************************************************************************/ ACPI_STATUS AcpiSetCurrentResources ( ACPI_HANDLE DeviceHandle, ACPI_BUFFER *InBuffer) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE ("AcpiSetCurrentResources"); /* * Must have a valid handle and buffer */ if ((!DeviceHandle) || (!InBuffer) || (!InBuffer->Pointer) || (!InBuffer->Length)) { return_ACPI_STATUS (AE_BAD_PARAMETER); } Status = AcpiRsSetSrsMethodData (DeviceHandle, InBuffer); return_ACPI_STATUS (Status); } #define COPY_FIELD(Out, In, Field) Out->Field = In->Field #define COPY_ADDRESS(Out, In) \ COPY_FIELD(Out, In, ResourceType); \ COPY_FIELD(Out, In, ProducerConsumer); \ COPY_FIELD(Out, In, Decode); \ COPY_FIELD(Out, In, MinAddressFixed); \ COPY_FIELD(Out, In, MaxAddressFixed); \ COPY_FIELD(Out, In, Attribute); \ COPY_FIELD(Out, In, Granularity); \ COPY_FIELD(Out, In, MinAddressRange); \ COPY_FIELD(Out, In, MaxAddressRange); \ COPY_FIELD(Out, In, AddressTranslationOffset); \ COPY_FIELD(Out, In, AddressLength); \ COPY_FIELD(Out, In, ResourceSource); /****************************************************************************** * * FUNCTION: AcpiResourceToAddress64 * * PARAMETERS: resource - Pointer to a resource * out - Pointer to the users's return * buffer (a struct * acpi_resource_address64) * * RETURN: Status * * DESCRIPTION: If the resource is an address16, address32, or address64, * copy it to the address64 return buffer. This saves the * caller from having to duplicate code for different-sized * addresses. * ******************************************************************************/ ACPI_STATUS AcpiResourceToAddress64 ( ACPI_RESOURCE *Resource, ACPI_RESOURCE_ADDRESS64 *Out) { ACPI_RESOURCE_ADDRESS16 *Address16; ACPI_RESOURCE_ADDRESS32 *Address32; ACPI_RESOURCE_ADDRESS64 *Address64; switch (Resource->Id) { case ACPI_RSTYPE_ADDRESS16: Address16 = (ACPI_RESOURCE_ADDRESS16 *) &Resource->Data; COPY_ADDRESS(Out, Address16); break; case ACPI_RSTYPE_ADDRESS32: Address32 = (ACPI_RESOURCE_ADDRESS32 *) &Resource->Data; COPY_ADDRESS(Out, Address32); break; case ACPI_RSTYPE_ADDRESS64: Address64 = (ACPI_RESOURCE_ADDRESS64 *) &Resource->Data; COPY_ADDRESS(Out, Address64); break; default: return (AE_BAD_PARAMETER); } return (AE_OK); }