IOCTL_HID_GET_DEVICE_DESCRIPTOR control code

The IOCTL_HID_GET_DEVICE_DESCRIPTOR control code obtains the HID descriptor for a HIDClass device.

Input Parameters

To obtain the size of the buffer that is provided by the HID class driver, the UMDF-based HID minidriver calls IWDFRequest::GetDeviceIoControlParameters and supplies pOutBufferSize.

Output Parameters

The HID minidriver returns the device descriptor by filling the buffer that is obtained by calling IWDFRequest::GetOutputMemory.

I/O Status Block

HID minidrivers that carry out the I/O request to the device must also:

Requirements

Minimum UMDF version

1.11

Header

Hidport.h

See also

IOCTL_HID_GET_DEVICE_DESCRIPTOR
IOCTL_HID_GET_DEVICE_ATTRIBUTES
IOCTL_HID_GET_REPORT_DESCRIPTOR
IOCTL_UMDF_GET_PHYSICAL_DESCRIPTOR

 

 

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