Reference

apple_bce(4)

Apple T2 Buffer Copy Engine driver

NAME

apple_bce – Apple T2 Buffer Copy Engine driver

SYNOPSIS

device pci device usb device apple_bce

DESCRIPTION

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:

  • MacBook Air (2018-2020)

  • MacBook Pro (2018-2020)

  • MacMini (2018)

  • Mac Pro (2019 and later)

SEE ALSO

asmc(4), usb(4)

HISTORY

The apple_bce driver first appeared in FreeBSD 16.0.

AUTHORS

apple_bce was written by Abdelkader Boudih ⟨[email protected]⟩. This manpage was written by Enji Cooper ⟨[email protected]⟩.