2 .\" Copyright (c) 1994 Jordan Hubbard
3 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
8 .\" 1. Redistributions of source code must retain the above copyright
9 .\" notice, this list of conditions and the following disclaimer.
10 .\" 2. Redistributions in binary form must reproduce the above copyright
11 .\" notice, this list of conditions and the following disclaimer in the
12 .\" documentation and/or other materials provided with the distribution.
13 .\" 3. The name of the author may not be used to endorse or promote products
14 .\" derived from this software without specific prior written permission
16 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 .\" $FreeBSD: src/share/man/man4/bt.4,v 1.10.4.6 2001/10/01 13:07:23 dd Exp $
34 .Nd Buslogic/Mylex MultiMaster SCSI host adapter driver
36 To compile this driver into the kernel,
37 place the following lines in your
38 kernel configuration file:
39 .Bd -ragged -offset indent
44 This driver provides access to the
46 bus connected to a Buslogic/Mylex MultiMaster or compatible controller:
47 .Bd -ragged -offset indent
48 MultiMaster "W" Series Host Adapters:
49 .Bl -column "BT-956CD " "PCI " "Commands " "Description"
50 .Em "Adapter" Ta Em "Bus" Ta Em "Commands" Ta Em "Description"
51 BT-948 PCI 192 Ultra SCSI-3
52 BT-958 PCI 192 Wide Ultra SCSI-3
53 BT-958D PCI 192 Wide Differential Ultra SCSI-3
56 MultiMaster "C" Series Host Adapters:
57 .Bl -column "BT-956CD " "PCI " "Commands " "Description"
58 .Em "Adapter" Ta Em "Bus" Ta Em "Commands" Ta Em "Description"
59 BT-946C PCI 100 Fast SCSI-2
60 BT-956C PCI 100 Wide Fast SCSI-2
61 BT-956CD PCI 100 Wide Differential Fast SCSI-2
65 AMI FastDisk Host Adapters that are true BusLogic MultiMaster clones are also
66 supported by this driver.
68 Tagged queueing is supported on 'W' series adapters and 'C' series adapters
69 with firmware of rev 4.42 and higher.
71 Boards with certain firmware revisions may lock up under heavy load to
72 certain devices, especially if tagged queueing is used.
74 a problem with your adapter, contact Mylex technical support and ensure you
75 have the latest firmware for your controller.
77 .Bl -tag -width /usr/share/man0/template.doc -compact
78 .It Pa /sys/dev/disk/buslogic/bt.c
79 Core Driver Implementation
80 .It Pa /sys/dev/disk/buslogic/btreg.h
81 MultiMaster Register Set and Core Driver Data Structures
82 .It Pa /sys/dev/disk/buslogic/bt_pci.c
83 PCI Bus Driver Attachment
93 driver first appeared in the
99 wrote a driver for the Multimaster cards that appeared in the
102 The driver was rewritten by
104 to take advantage of new board features and work with the CAM SCSI framework in
108 .An Leonard N. Zubkoff
109 for writing such a complete and well documented Mylex/BusLogic MultiMaster
111 Support in this driver for the wide range of MultiMaster
112 controllers and firmware revisions, with their otherwise undocumented quirks,
113 would not have been possible without his efforts.