diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/resources/rsxface.c')
-rw-r--r-- | sys/contrib/dev/acpica/components/resources/rsxface.c | 741 |
1 files changed, 741 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/resources/rsxface.c b/sys/contrib/dev/acpica/components/resources/rsxface.c new file mode 100644 index 0000000..b2ff381 --- /dev/null +++ b/sys/contrib/dev/acpica/components/resources/rsxface.c @@ -0,0 +1,741 @@ +/******************************************************************************* + * + * Module Name: rsxface - Public interfaces to the resource manager + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2013, Intel Corp. + * All rights reserved. + * + * 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. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * 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 MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. + */ + + +#define __RSXFACE_C__ + +#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 ("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: AcpiGetEventResources + * + * PARAMETERS: DeviceHandle - Handle to the device object for the + * device we are getting resources + * InBuffer - Pointer to a buffer containing the + * resources to be set for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the event 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. Uses the + * _AEI method. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiGetEventResources ( + ACPI_HANDLE DeviceHandle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + + + ACPI_FUNCTION_TRACE (AcpiGetEventResources); + + + /* Validate parameters then dispatch to internal routine */ + + Status = AcpiRsValidateParameters (DeviceHandle, RetBuffer, &Node); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiRsGetAeiMethodData (Node, RetBuffer); + return_ACPI_STATUS (Status); +} + +ACPI_EXPORT_SYMBOL (AcpiGetEventResources) + + +/****************************************************************************** + * + * 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 device 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: AcpiWalkResourceBuffer + * + * PARAMETERS: Buffer - Formatted buffer returned by one of the + * various Get*Resource functions + * UserFunction - Called for each resource + * Context - Passed to UserFunction + * + * RETURN: Status + * + * DESCRIPTION: Walks the input resource template. The UserFunction is called + * once for each resource in the list. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiWalkResourceBuffer ( + ACPI_BUFFER *Buffer, + ACPI_WALK_RESOURCE_CALLBACK UserFunction, + void *Context) +{ + ACPI_STATUS Status = AE_OK; + ACPI_RESOURCE *Resource; + ACPI_RESOURCE *ResourceEnd; + + + ACPI_FUNCTION_TRACE (AcpiWalkResourceBuffer); + + + /* Parameter validation */ + + if (!Buffer || !Buffer->Pointer || !UserFunction) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* Buffer contains the resource list and length */ + + 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 type */ + + if (Resource->Type > ACPI_RESOURCE_TYPE_MAX) + { + Status = AE_AML_INVALID_RESOURCE_TYPE; + break; + } + + /* Sanity check the length. It must not be zero, or we loop forever */ + + if (!Resource->Length) + { + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); + } + + /* 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_NEXT_RESOURCE (Resource); + } + + return_ACPI_STATUS (Status); +} + +ACPI_EXPORT_SYMBOL (AcpiWalkResourceBuffer) + + +/******************************************************************************* + * + * 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, METHOD_NAME__PRS, or + * METHOD_NAME__AEI) + * 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_FUNCTION_TRACE (AcpiWalkResources); + + + /* Parameter validation */ + + if (!DeviceHandle || !UserFunction || !Name || + (!ACPI_COMPARE_NAME (Name, METHOD_NAME__CRS) && + !ACPI_COMPARE_NAME (Name, METHOD_NAME__PRS) && + !ACPI_COMPARE_NAME (Name, METHOD_NAME__AEI))) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* Get the _CRS/_PRS/_AEI resource list */ + + Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; + Status = AcpiRsGetMethodData (DeviceHandle, Name, &Buffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Walk the resource list and cleanup */ + + Status = AcpiWalkResourceBuffer (&Buffer, UserFunction, Context); + ACPI_FREE (Buffer.Pointer); + return_ACPI_STATUS (Status); +} + +ACPI_EXPORT_SYMBOL (AcpiWalkResources) |