1.\" $OpenBSD: iosf.4,v 1.1 2023/04/23 00:44:44 dlg Exp $ 2.\" 3.\" Copyright (c) 2023 David Gwynne <dlg@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: April 23 2023 $ 18.Dt IOSF 4 19.Os 20.Sh NAME 21.Nm iosf 22.Nd Intel OnChip System Fabric device 23.Sh SYNOPSIS 24.Cd "iosf* at acpi?" 25.Cd "iosf* at pci?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support routines for platforms using the 30Intel OnChip System Fabric. 31.Pp 32The 33.Xr dwiic 4 34driver uses the MailBox Interface (MBI) provided by 35.Nm 36to coordinate access to I2C devices. 37.Sh SEE ALSO 38.Xr acpi 4 , 39.Xr dwiic 4 , 40.Xr pci 4 41.Sh HISTORY 42The 43.Nm 44device driver first appeared in 45.Ox 7.4 . 46.Sh AUTHORS 47The 48.Nm 49driver was written by 50.An David Gwynne Aq Mt dlg@openbsd.org . 51