Obtaining Information About a General I/O Target

To obtain information about an I/O target, your driver can call the following methods that the I/O target object defines:

WdfIoTargetGetDevice

Returns the framework device object that is associated with a local or remote I/O target.

WdfIoTargetQueryTargetProperty or WdfIoTargetAllocAndQueryTargetProperty

Retrieves device properties that are associated with a local or remote I/O target's device.

WdfIoTargetGetState

Returns state information for a local or remote I/O target.

WdfIoTargetWdmGetTargetDeviceObject

Returns a pointer to the Windows Driver Model (WDM) device object that is associated with a local or remote I/O target.

WdfIoTargetWdmGetTargetPhysicalDevice

Returns a pointer to the WDM physical device object (PDO) that represents a remote I/O target's device.

WdfIoTargetWdmGetTargetFileObject

Returns a pointer to the WDM file object that is associated with a remote I/O target.

WdfIoTargetWdmGetTargetFileHandle

Returns a handle to the file that is associated with a remote I/O target.

 

 

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