.\"	$OpenBSD: gdt.4,v 1.31 2011/04/19 21:17:07 krw Exp $
.\"
.\" Copyright (c) 2000 Niklas Hallqvist <niklas@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: April 19 2011 $
.Dt GDT 4
.Os
.Sh NAME
.Nm gdt
.Nd ICP-Vortex and Intel GDT SATA/SCSI RAID controller
.Sh SYNOPSIS
.Cd "gdt* at pci?"
.Cd "scsibus* at gdt?"
.Sh DESCRIPTION
The
.Nm
driver provides support for ICP-Vortex adapters such as:
.Pp
.Tn GDT4x13RZ ,
.Tn GDT4x23RZ ,
.Tn GDT6000/6020/6050 ,
.Tn GDT6000B/6010 ,
.Tn GDT6110/6510 ,
.Tn GDT6120/6520 ,
.Tn GDT6513RS ,
.Tn GDT6518RS ,
.Tn GDT6523RS ,
.Tn GDT6530 ,
.Tn GDT6535 ,
.Tn GDT6537 ,
.Tn GDT6537RP ,
.Tn GDT6537RP1 ,
.Tn GDT6537RP2 ,
.Tn GDT6550 ,
.Tn GDT6555 ,
.Tn GDT6557 ,
.Tn GDT6557RP ,
.Tn GDT6557RP1 ,
.Tn GDT6557RP2 ,
.Tn GDT6x11RP ,
.Tn GDT6x11RP1 ,
.Tn GDT6x11RP2 ,
.Tn GDT6x15 ,
.Tn GDT6x17 ,
.Tn GDT6x17RP ,
.Tn GDT6x17RP1 ,
.Tn GDT6x17RP2 ,
.Tn GDT6x18RD ,
.Tn GDT6x19RD ,
.Tn GDT6x21RP ,
.Tn GDT6x21RP1 ,
.Tn GDT6x21RP2 ,
.Tn GDT6x25 ,
.Tn GDT6x27 ,
.Tn GDT6x27RP ,
.Tn GDT6x27RP1 ,
.Tn GDT6x27RP2 ,
.Tn GDT6x28RD ,
.Tn GDT6x28RS ,
.Tn GDT6x29RD ,
.Tn GDT6x33RS ,
.Tn GDT6x38RD ,
.Tn GDT6x38RS ,
.Tn GDT6x43RS ,
.Tn GDT6x53RS ,
.Tn GDT6x58RD ,
.Tn GDT6x58RS ,
.Tn GDT6x63RS ,
.Tn GDT7x13RN ,
.Tn GDT7x18RN ,
.Tn GDT7x19RN ,
.Tn GDT7x23RN ,
.Tn GDT7x28RN ,
.Tn GDT7x29RN ,
.Tn GDT7x38RN ,
.Tn GDT7x43RN ,
.Tn GDT7x53RN ,
.Tn GDT7x58RN ,
.Tn GDT7x63RN ,
.Tn GDT8x00RZ ,
.Tn GDT8x13RZ ,
.Tn GDT8x14RZ ,
.Tn GDT8x22RZ ,
.Tn GDT8x23RZ ,
.Tn GDT8x23RZ ,
.Tn GDT8x24RZ ,
.Tn GDT8x33RZ ,
.Tn GDT8x43RZ ,
.Tn GDT8x46RZ ,
.Tn GDT8x53RZ ,
.Tn GDT8x63RZ ,
and
.Tn GDT8x86RZ .
.Pp
As well as Intel adapters such as:
.Pp
.Tn SRCU42L ,
.Tn SRCU32 ,
.Tn SRCZCR ,
and
.Tn SRCS14L .
.Pp
Although the controllers are actual RAID controllers,
the driver makes them look just like SCSI controllers.
All RAID configuration is done through the controllers' BIOSes.
.Sh DIAGNOSTICS
.Bl -diag
.It "pci_mem_find: expected mem type 00000000, found 00000002"
This message occurs during autoconfiguration if jumper J4 is set to map
the controller memory below 1MB in physical memory.
The driver primarily wants this jumper to be set the other way round,
but it will work with it in any setting.
If the diagnostic is considered a nuisance, alter jumper J4's setting.
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr pci 4 ,
.Xr scsi 4 ,
.Xr sd 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 2.7 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Niklas Hallqvist Aq niklas@openbsd.org ,
inspired by the Linux driver by
.An Achim Luebner Aq achim@vortex.de .
.Sh BUGS
An ISA & EISA front-end is needed.
.Pp
The driver does not support transparent raw SCSI mode.
.Pp
It would be nice to configure the RAID units after boot
but the information on how to do that is not public.