KsGetBusEnumIdentifier function (swenum.h)

This function is intended for internal use only.

The KsGetBusEnumIdentifier function retrieves the software bus enumerator identifier for the bus device associated with the given IRP.

Syntax

KSDDKAPI NTSTATUS KsGetBusEnumIdentifier(
  [in, out] PIRP Irp
);

[in, out] Irp

Pointer to the IRP that specifies the address and size of the user output buffer to receive the requested bus enumerator identifier.

Returns STATUS_SUCCESS if the bus enumerator identifier was retrieved successfully. Otherwise, it returns one of the following values:

Return code	Description
STATUS_INVALID_PARAMETER	The specified device is not valid
STATUS_BUFFER_TOO_SMALL	The specified buffer was not large enough
STATUS_BUFFER_OVERFLOW	No buffer was specified (the required buffer size is returned in the Irp).