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IPortClsStreamResourceManager::AddStreamResource method (portcls.h)

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AddStreamResource adds a stream resource. Two type of stream resources are supported: interrupts and driver-owned threads. The AddStreamResource method can only be used by audio WaveRT miniport drivers.

Syntax

NTSTATUS AddStreamResource(
  PVOID                        ResourceSet,
  PPCSTREAMRESOURCE_DESCRIPTOR ResourceDescriptor,
  PCSTREAMRESOURCE             *ResourceHandle
);

Parameters

ResourceSet

PVOID - Reserved for future use, set to NULL. Only device-scoped resources are supported at this time.

ResourceDescriptor

PPCSTREAMRESOURCE_DESCRIPTOR - The resource to add. For more information see, _PCSTREAMRESOURCE_DESCRIPTOR.

ResourceHandle

PCSTREAMRESOURCE* - The location that will hold the resource handle. For more information, see PcRemoveStreamResource.

Return value

This method returns NTSTATUS which contains:

  • STATUS_SUCCESS – The driver was able to register the resource of the specified PDO.
  • STATUS_INVALID_PARAMETER – The driver returns this error if it finds any other parameter invalid, aside from the specific cases for other error status instances.

Additional standard status codes may be returned.

Requirements

Requirement Value
Header portcls.h
IRQL PASSIVE_LEVEL

See also

IPortClsStreamResourceManager