apple_bce4
Apple t2 buffer copy engine driver
Usage
device pci device usb device apple_bce
Overview
The apple_bce driver controls the Apple T2 Buffer Copy Engine.
The T2 Buffer Copy Engine, called “BCE” for short, is a device which interacts with higher-level interfaces like the built-in keyboard, trackpad, audio, and VHCI (Virtual USB Host Interface), etc.
Hardware
The apple_bce driver supports the Apple T2 Buffer Copy Engine on the following systems:
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MacBook Air (2018-2020)
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MacBook Pro (2018-2020)
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MacMini (2018)
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Mac Pro (2019 and later)