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IOSF(4) Device Drivers Manual IOSF(4)

iosfIntel OnChip System Fabric device

iosf* at acpi?
iosf* at pci?

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.

acpi(4), dwiic(4), pci(4)

The iosf device driver first appeared in OpenBSD 7.4.

The iosf driver was written by David Gwynne <dlg@openbsd.org>.

April 23, 2023 OpenBSD-current