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VIOBLK(4) Device Drivers Manual VIOBLK(4)

vioblkVirtIO disk

vioblk* at virtio?

The vioblk driver provides a virtual disk using a virtio(4) block device provided by bhyve, KVM, QEMU, and VirtualBox.

intro(4), scsi(4), virtio(4)

The vioblk driver first appeared in OpenBSD 5.3.

The vioblk driver was written by Stefan Fritsch <>, based on the vdsk(4) driver by Mark Kettenis <>.

June 14, 2021 OpenBSD-current