InterfaceReference/InterfaceDereference in a KMDF driver

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Dear all,

I need to implement USB bus interface in my KMDF driver.

How to implement interface InterfaceReference/InterfaceDereference in
a KMDF driver?
Usually we check this reference count when handling
IRP_MN_QUERY_REMOVE_DEVICE in a WDM driver.

What shall I do when implement such kind of query in my KMDF driver?
How to handle such kind of InterfaceReference/InterfaceDereference in
my driver?

Thanks for any advise. ^_^

Ziv
.

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