Dumbing Things Up

CXL Mailbox Interface

written by ben on 2022-06-02

Table Of Contents

Intro

I always wanted to be a postal worker. Lots of fresh air, flexible hours, and making sure important information gets to their recipients. Coincidentally, CXL is like a postal worker, minus the fresh air. This will be a fairly straightforward post about how host software can talk to CXL devices and the implementation in the Linux driver, which landed in the 5.12 release.