this post was submitted on 28 Oct 2024
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Linux Gaming

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A new tool to forward evdev input events between Linux hosts (codeberg.org)
submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]
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evfwd is a new tool for forwarding evdev input events from one Linux host to another, typically through an ssh connection.

The reason I am posting this here is that my initial motivation for creating the tool was gaming related: I wanted to be able to use my laptop's keyboard and gamepad on my Steam Deck.

The tool works by serializing /dev/input/... events on one hosts and then injecting them via /dev/uinput on another. You have to arrange the pipe between the two ends, typically using ssh:

evfwd /dev/input/somedevice | ssh somehost evfwd -s

See the readme for more details.

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[–] [email protected] 5 points 2 weeks ago

Thanks. I tried to make sense of it and experimented a bit with making the same ioctl's mentioned but couldn't get it to work. I either didn't get it right or it's something else.

Maybe I will take another look later but for now my workaround is to just fire up Baba Is You which idles at a low cpu use and then run evfwd with the grab option so that Baba no longer gets the input.