IOCTL_GET_PHYSICAL_DESCRIPTOR control code

The IOCTL_GET_PHYSICAL_DESCRIPTOR request obtains the physical descriptor of a top-level collection.

For general information about HIDClass devices, see HID Collections.

Input Parameters

Parameters.DeviceIoControl.OutputBufferLength in the I/O stack location of the IRP indicates the size, in bytes, of the output buffer.

Output Parameters

Irp->MdlAddress must point to the buffer that will receive the physical descriptor.

I/O Status Block

The HID class driver sets the Status member of Irp->IoStatus to STATUS_SUCCESS if the transfer completed without error. Otherwise, it is set to an appropriate NTSTATUS error code.

Requirements

Header

Hidclass.h (include Hidclass.h)

See also

HidD_GetPhysicalDescriptor

 

 

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