vmmci(4)

vmmci4

Vmm control interface

Usage

vmmci* at virtio?

Overview

The vmmci driver provides a control interface for virtual machines running inside OpenBSD vmm(4) (virtual machine monitor) hosts.

The driver handles shutdown and reboot requests from the vmm(4) host by signalling init(8) with SIGUSR2 and SIGINT respectively.

Releases

Unchanged in 18 releases since OpenBSD 6.4.

  1. 6.4–8.0

History

The vmmci driver first appeared in OpenBSD 6.1.

Authors

The vmmci driver was written by Reyk Floeter ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.