KMDF Filter & PNP

Discussion in 'Windows Vista Drivers' started by Dan, Jan 29, 2011.

  1. Dan

    Dan Guest

    Is it possible for a KMDF filter driver to register for some PNP callbacks and let lower drivers handle other callbacks? I'd like to intercept the prepare to hibernate callback and leave all others to be managed by the function or bus driver(s).

    thanks,

    dan mcleran
     
    Dan, Jan 29, 2011
    #1
    1. Advertisements

  2. Dan

    rprep9

    Joined:
    Jul 12, 2011
    Messages:
    1
    Likes Received:
    0
    I think you can register for EvtIoDeviceControl and look for PNP specific controls and take action as needed. Another way to is to pre register for IRP_MJ_PNP using WdfDeviceInitAssignWdmIrpPreprocessCallback(). If I understood this correctly, you can use both.
     
    rprep9, Apr 26, 2012
    #2
    1. Advertisements

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.