iosf(4)

iosf4

Intel onchip system fabric device

Usage

iosf* at acpi? iosf* at pci?

Overview

The iosf driver provides support routines for platforms using the Intel OnChip System Fabric.

The dwiic(4) driver uses the MailBox Interface (MBI) provided by iosf to coordinate access to I2C devices.

Releases

Unchanged in 8 releases since OpenBSD 7.4.

  1. 7.4–8.0

History

The iosf device driver first appeared in OpenBSD 7.4.

Authors

The iosf driver was written by David Gwynne ⟨[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.