+++ /dev/null
-/*******************************************************************************
- *
- * Module Name: rsxface - Public interfaces to the resource manager
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2009, 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 __RSXFACE_C__
-
-#include "acpi.h"
-#include "accommon.h"
-#include "acresrc.h"
-#include "acnamesp.h"
-
-#define _COMPONENT ACPI_RESOURCES
- ACPI_MODULE_NAME ("rsxface")
-
-/* Local macros for 16,32-bit to 64-bit conversion */
-
-#define ACPI_COPY_FIELD(Out, In, Field) ((Out)->Field = (In)->Field)
-#define ACPI_COPY_ADDRESS(Out, In) \
- ACPI_COPY_FIELD(Out, In, ResourceType); \
- ACPI_COPY_FIELD(Out, In, ProducerConsumer); \
- ACPI_COPY_FIELD(Out, In, Decode); \
- ACPI_COPY_FIELD(Out, In, MinAddressFixed); \
- ACPI_COPY_FIELD(Out, In, MaxAddressFixed); \
- ACPI_COPY_FIELD(Out, In, Info); \
- ACPI_COPY_FIELD(Out, In, Granularity); \
- ACPI_COPY_FIELD(Out, In, Minimum); \
- ACPI_COPY_FIELD(Out, In, Maximum); \
- ACPI_COPY_FIELD(Out, In, TranslationOffset); \
- ACPI_COPY_FIELD(Out, In, AddressLength); \
- ACPI_COPY_FIELD(Out, In, ResourceSource);
-
-
-/* Local prototypes */
-
-static ACPI_STATUS
-AcpiRsMatchVendorResource (
- ACPI_RESOURCE *Resource,
- void *Context);
-
-static ACPI_STATUS
-AcpiRsValidateParameters (
- ACPI_HANDLE DeviceHandle,
- ACPI_BUFFER *Buffer,
- ACPI_NAMESPACE_NODE **ReturnNode);
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiRsValidateParameters
- *
- * PARAMETERS: DeviceHandle - Handle to a device
- * Buffer - Pointer to a data buffer
- * ReturnNode - Pointer to where the device node is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Common parameter validation for resource interfaces
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiRsValidateParameters (
- ACPI_HANDLE DeviceHandle,
- ACPI_BUFFER *Buffer,
- ACPI_NAMESPACE_NODE **ReturnNode)
-{
- ACPI_STATUS Status;
- ACPI_NAMESPACE_NODE *Node;
-
-
- ACPI_FUNCTION_TRACE (RsValidateParameters);
-
-
- /*
- * Must have a valid handle to an ACPI device
- */
- if (!DeviceHandle)
- {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- Node = AcpiNsValidateHandle (DeviceHandle);
- if (!Node)
- {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- if (Node->Type != ACPI_TYPE_DEVICE)
- {
- return_ACPI_STATUS (AE_TYPE);
- }
-
- /*
- * Validate the user buffer object
- *
- * 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 (later), so keep going.
- */
- Status = AcpiUtValidateBuffer (Buffer);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- *ReturnNode = Node;
- return_ACPI_STATUS (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiGetIrqRoutingTable
- *
- * PARAMETERS: DeviceHandle - Handle to the Bus device we are querying
- * RetBuffer - 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_NAMESPACE_NODE *Node;
-
-
- ACPI_FUNCTION_TRACE (AcpiGetIrqRoutingTable);
-
-
- /* Validate parameters then dispatch to internal routine */
-
- Status = AcpiRsValidateParameters (DeviceHandle, RetBuffer, &Node);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- Status = AcpiRsGetPrtMethodData (Node, RetBuffer);
- return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiGetIrqRoutingTable)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiGetCurrentResources
- *
- * PARAMETERS: DeviceHandle - Handle to the device object for the
- * device we are querying
- * RetBuffer - 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_NAMESPACE_NODE *Node;
-
-
- ACPI_FUNCTION_TRACE (AcpiGetCurrentResources);
-
-
- /* Validate parameters then dispatch to internal routine */
-
- Status = AcpiRsValidateParameters (DeviceHandle, RetBuffer, &Node);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- Status = AcpiRsGetCrsMethodData (Node, RetBuffer);
- return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiGetCurrentResources)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiGetPossibleResources
- *
- * PARAMETERS: DeviceHandle - Handle to the device object for the
- * device we are querying
- * RetBuffer - 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_NAMESPACE_NODE *Node;
-
-
- ACPI_FUNCTION_TRACE (AcpiGetPossibleResources);
-
-
- /* Validate parameters then dispatch to internal routine */
-
- Status = AcpiRsValidateParameters (DeviceHandle, RetBuffer, &Node);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- Status = AcpiRsGetPrsMethodData (Node, RetBuffer);
- return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiGetPossibleResources)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiSetCurrentResources
- *
- * PARAMETERS: DeviceHandle - Handle to the device object for the
- * device we are setting resources
- * InBuffer - 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_NAMESPACE_NODE *Node;
-
-
- ACPI_FUNCTION_TRACE (AcpiSetCurrentResources);
-
-
- /* Validate the buffer, don't allow zero length */
-
- if ((!InBuffer) ||
- (!InBuffer->Pointer) ||
- (!InBuffer->Length))
- {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /* Validate parameters then dispatch to internal routine */
-
- Status = AcpiRsValidateParameters (DeviceHandle, InBuffer, &Node);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- Status = AcpiRsSetSrsMethodData (Node, InBuffer);
- return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiSetCurrentResources)
-
-
-/******************************************************************************
- *
- * 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;
-
-
- if (!Resource || !Out)
- {
- return (AE_BAD_PARAMETER);
- }
-
- /* Convert 16 or 32 address descriptor to 64 */
-
- switch (Resource->Type)
- {
- case ACPI_RESOURCE_TYPE_ADDRESS16:
-
- Address16 = ACPI_CAST_PTR (ACPI_RESOURCE_ADDRESS16, &Resource->Data);
- ACPI_COPY_ADDRESS (Out, Address16);
- break;
-
- case ACPI_RESOURCE_TYPE_ADDRESS32:
-
- Address32 = ACPI_CAST_PTR (ACPI_RESOURCE_ADDRESS32, &Resource->Data);
- ACPI_COPY_ADDRESS (Out, Address32);
- break;
-
- case ACPI_RESOURCE_TYPE_ADDRESS64:
-
- /* Simple copy for 64 bit source */
-
- ACPI_MEMCPY (Out, &Resource->Data, sizeof (ACPI_RESOURCE_ADDRESS64));
- break;
-
- default:
- return (AE_BAD_PARAMETER);
- }
-
- return (AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiResourceToAddress64)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiGetVendorResource
- *
- * PARAMETERS: DeviceHandle - Handle for the parent device object
- * Name - Method name for the parent resource
- * (METHOD_NAME__CRS or METHOD_NAME__PRS)
- * Uuid - Pointer to the UUID to be matched.
- * includes both subtype and 16-byte UUID
- * RetBuffer - Where the vendor resource is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Walk a resource template for the specified evice to find a
- * vendor-defined resource that matches the supplied UUID and
- * UUID subtype. Returns a ACPI_RESOURCE of type Vendor.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiGetVendorResource (
- ACPI_HANDLE DeviceHandle,
- char *Name,
- ACPI_VENDOR_UUID *Uuid,
- ACPI_BUFFER *RetBuffer)
-{
- ACPI_VENDOR_WALK_INFO Info;
- ACPI_STATUS Status;
-
-
- /* Other parameters are validated by AcpiWalkResources */
-
- if (!Uuid || !RetBuffer)
- {
- return (AE_BAD_PARAMETER);
- }
-
- Info.Uuid = Uuid;
- Info.Buffer = RetBuffer;
- Info.Status = AE_NOT_EXIST;
-
- /* Walk the _CRS or _PRS resource list for this device */
-
- Status = AcpiWalkResources (DeviceHandle, Name, AcpiRsMatchVendorResource,
- &Info);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- return (Info.Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiGetVendorResource)
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiRsMatchVendorResource
- *
- * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK
- *
- * RETURN: Status
- *
- * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiRsMatchVendorResource (
- ACPI_RESOURCE *Resource,
- void *Context)
-{
- ACPI_VENDOR_WALK_INFO *Info = Context;
- ACPI_RESOURCE_VENDOR_TYPED *Vendor;
- ACPI_BUFFER *Buffer;
- ACPI_STATUS Status;
-
-
- /* Ignore all descriptors except Vendor */
-
- if (Resource->Type != ACPI_RESOURCE_TYPE_VENDOR)
- {
- return (AE_OK);
- }
-
- Vendor = &Resource->Data.VendorTyped;
-
- /*
- * For a valid match, these conditions must hold:
- *
- * 1) Length of descriptor data must be at least as long as a UUID struct
- * 2) The UUID subtypes must match
- * 3) The UUID data must match
- */
- if ((Vendor->ByteLength < (ACPI_UUID_LENGTH + 1)) ||
- (Vendor->UuidSubtype != Info->Uuid->Subtype) ||
- (ACPI_MEMCMP (Vendor->Uuid, Info->Uuid->Data, ACPI_UUID_LENGTH)))
- {
- return (AE_OK);
- }
-
- /* Validate/Allocate/Clear caller buffer */
-
- Buffer = Info->Buffer;
- Status = AcpiUtInitializeBuffer (Buffer, Resource->Length);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- /* Found the correct resource, copy and return it */
-
- ACPI_MEMCPY (Buffer->Pointer, Resource, Resource->Length);
- Buffer->Length = Resource->Length;
-
- /* Found the desired descriptor, terminate resource walk */
-
- Info->Status = AE_OK;
- return (AE_CTRL_TERMINATE);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiWalkResources
- *
- * PARAMETERS: DeviceHandle - Handle to the device object for the
- * device we are querying
- * Name - 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 *Name,
- ACPI_WALK_RESOURCE_CALLBACK UserFunction,
- void *Context)
-{
- ACPI_STATUS Status;
- ACPI_BUFFER Buffer;
- ACPI_RESOURCE *Resource;
- ACPI_RESOURCE *ResourceEnd;
-
-
- ACPI_FUNCTION_TRACE (AcpiWalkResources);
-
-
- /* Parameter validation */
-
- if (!DeviceHandle || !UserFunction || !Name ||
- (!ACPI_COMPARE_NAME (Name, METHOD_NAME__CRS) &&
- !ACPI_COMPARE_NAME (Name, METHOD_NAME__PRS)))
- {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /* Get the _CRS or _PRS resource list */
-
- Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
- Status = AcpiRsGetMethodData (DeviceHandle, Name, &Buffer);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- /* Buffer now contains the resource list */
-
- Resource = ACPI_CAST_PTR (ACPI_RESOURCE, Buffer.Pointer);
- ResourceEnd = ACPI_ADD_PTR (ACPI_RESOURCE, Buffer.Pointer, Buffer.Length);
-
- /* Walk the resource list until the EndTag is found (or buffer end) */
-
- while (Resource < ResourceEnd)
- {
- /* Sanity check the resource */
-
- if (Resource->Type > ACPI_RESOURCE_TYPE_MAX)
- {
- Status = AE_AML_INVALID_RESOURCE_TYPE;
- break;
- }
-
- /* Invoke the user function, abort on any error returned */
-
- Status = UserFunction (Resource, Context);
- if (ACPI_FAILURE (Status))
- {
- if (Status == AE_CTRL_TERMINATE)
- {
- /* This is an OK termination by the user function */
-
- Status = AE_OK;
- }
- break;
- }
-
- /* EndTag indicates end-of-list */
-
- if (Resource->Type == ACPI_RESOURCE_TYPE_END_TAG)
- {
- break;
- }
-
- /* Get the next resource descriptor */
-
- Resource = ACPI_ADD_PTR (ACPI_RESOURCE, Resource, Resource->Length);
- }
-
- ACPI_FREE (Buffer.Pointer);
- return_ACPI_STATUS (Status);
-}
-
-ACPI_EXPORT_SYMBOL (AcpiWalkResources)
projects / l4.git / blobdiff