summaryrefslogtreecommitdiffstats
path: root/sys/contrib/dev/acpica/components/resources/rsxface.c
diff options
context:
space:
mode:
authorjkim <jkim@FreeBSD.org>2012-02-16 22:59:29 +0000
committerjkim <jkim@FreeBSD.org>2012-02-16 22:59:29 +0000
commita561c762bacb78b14d2bf5fb20afc1566203f990 (patch)
treed4ae2db1980d2ec7b164b1a5658fd2ae62569456 /sys/contrib/dev/acpica/components/resources/rsxface.c
parent2b86faa18cb89921d202e133fa6a1c39b63cfe16 (diff)
parenta6dfe3119152f97e640cc135d963b9f7c95c84ef (diff)
downloadFreeBSD-src-a561c762bacb78b14d2bf5fb20afc1566203f990.zip
FreeBSD-src-a561c762bacb78b14d2bf5fb20afc1566203f990.tar.gz
Merge ACPICA 20120215.
Diffstat (limited to 'sys/contrib/dev/acpica/components/resources/rsxface.c')
-rw-r--r--sys/contrib/dev/acpica/components/resources/rsxface.c689
1 files changed, 689 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..152f79d
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/resources/rsxface.c
@@ -0,0 +1,689 @@
+/*******************************************************************************
+ *
+ * Module Name: rsxface - Public interfaces to the resource manager
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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 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, 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_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) &&
+ !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);
+ }
+
+ /* 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)
OpenPOWER on IntegriCloud