xbf(4)

xbf4

Xen blkfront virtual disk

Usage

xbf* at xen?

Overview

The xbf driver provides support for a paravirtual disk interface "Blkfront", native to the Xen hypervisor.

During attach the xbf driver will ask the hypervisor to switch all configured virtual disks over to the Blkfront interface regardless of the VM configuration.

Releases

Unchanged in 18 releases since OpenBSD 6.4.

  1. 6.4–8.0

History

The xbf driver first appeared in OpenBSD 6.1.

Authors

The xbf driver was written by Mike Belopuhov ⟨[email protected]⟩ based on the vdsk(4) driver by Mark Kettenis ⟨[email protected]⟩, inspired by the FreeBSD implementation.

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