Commit 977b899c authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Martin K. Petersen
parent 1d4f8dfe
BusLogic MultiMaster and FlashPoint SCSI Driver for Linux
.. SPDX-License-Identifier: GPL-2.0
=========================================================
BusLogic MultiMaster and FlashPoint SCSI Driver for Linux
=========================================================
Version 2.0.15 for Linux 2.0
Version 2.1.15 for Linux 2.1
PRODUCTION RELEASE
......@@ -8,13 +13,16 @@
17 August 1998
Leonard N. Zubkoff
Dandelion Digital
lnz@dandelion.com
Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
INTRODUCTION
Introduction
============
BusLogic, Inc. designed and manufactured a variety of high performance SCSI
host adapters which share a common programming interface across a diverse
......@@ -86,9 +94,11 @@ Contact information for offices in Europe and Japan is available on the Web
site.
DRIVER FEATURES
Driver Features
===============
o Configuration Reporting and Testing
Configuration Reporting and Testing
-----------------------------------
During system initialization, the driver reports extensively on the host
adapter hardware configuration, including the synchronous transfer parameters
......@@ -130,7 +140,8 @@ o Configuration Reporting and Testing
The status of Wide Negotiation, Disconnect/Reconnect, and Tagged Queuing
are reported as "Enabled", Disabled", or a sequence of "Y" and "N" letters.
o Performance Features
Performance Features
--------------------
BusLogic SCSI Host Adapters directly implement SCSI-2 Tagged Queuing, and so
support has been included in the driver to utilize tagged queuing with any
......@@ -150,7 +161,8 @@ o Performance Features
queue depth of 1 is selected. Tagged queuing is also disabled for individual
target devices if disconnect/reconnect is disabled for that device.
o Robustness Features
Robustness Features
-------------------
The driver implements extensive error recovery procedures. When the higher
level parts of the SCSI subsystem request that a timed out command be reset,
......@@ -174,7 +186,8 @@ o Robustness Features
lock up or crash, and thereby allowing a clean shutdown and restart after the
offending component is removed.
o PCI Configuration Support
PCI Configuration Support
-------------------------
On PCI systems running kernels compiled with PCI BIOS support enabled, this
driver will interrogate the PCI configuration space and use the I/O port
......@@ -184,19 +197,22 @@ o PCI Configuration Support
used to disable the ISA compatible I/O port entirely as it is not necessary.
The ISA compatible I/O port is disabled by default on the BT-948/958/958D.
o /proc File System Support
/proc File System Support
-------------------------
Copies of the host adapter configuration information together with updated
data transfer and error recovery statistics are available through the
/proc/scsi/BusLogic/<N> interface.
o Shared Interrupts Support
Shared Interrupts Support
-------------------------
On systems that support shared interrupts, any number of BusLogic Host
Adapters may share the same interrupt request channel.
SUPPORTED HOST ADAPTERS
Supported Host Adapters
=======================
The following list comprises the supported BusLogic SCSI Host Adapters as of
the date of this document. It is recommended that anyone purchasing a BusLogic
......@@ -205,6 +221,7 @@ that it is or will be supported.
FlashPoint Series PCI Host Adapters:
======================= =============================================
FlashPoint LT (BT-930) Ultra SCSI-3
FlashPoint LT (BT-930R) Ultra SCSI-3 with RAIDPlus
FlashPoint LT (BT-920) Ultra SCSI-3 (BT-930 without BIOS)
......@@ -214,15 +231,19 @@ FlashPoint LW (BT-950) Wide Ultra SCSI-3
FlashPoint LW (BT-950R) Wide Ultra SCSI-3 with RAIDPlus
FlashPoint DW (BT-952) Dual Channel Wide Ultra SCSI-3
FlashPoint DW (BT-952R) Dual Channel Wide Ultra SCSI-3 with RAIDPlus
======================= =============================================
MultiMaster "W" Series Host Adapters:
======= === ==============================
BT-948 PCI Ultra SCSI-3
BT-958 PCI Wide Ultra SCSI-3
BT-958D PCI Wide Differential Ultra SCSI-3
======= === ==============================
MultiMaster "C" Series Host Adapters:
======== ==== ==============================
BT-946C PCI Fast SCSI-2
BT-956C PCI Wide Fast SCSI-2
BT-956CD PCI Wide Differential Fast SCSI-2
......@@ -232,9 +253,11 @@ BT-757C EISA Wide Fast SCSI-2
BT-757CD EISA Wide Differential Fast SCSI-2
BT-545C ISA Fast SCSI-2
BT-540CF ISA Fast SCSI-2
======== ==== ==============================
MultiMaster "S" Series Host Adapters:
======= ==== ==============================
BT-445S VLB Fast SCSI-2
BT-747S EISA Fast SCSI-2
BT-747D EISA Differential Fast SCSI-2
......@@ -244,11 +267,14 @@ BT-545S ISA Fast SCSI-2
BT-542D ISA Differential Fast SCSI-2
BT-742A EISA SCSI-2 (742A revision H)
BT-542B ISA SCSI-2 (542B revision H)
======= ==== ==============================
MultiMaster "A" Series Host Adapters:
======= ==== ==============================
BT-742A EISA SCSI-2 (742A revisions A - G)
BT-542B ISA SCSI-2 (542B revisions A - G)
======= ==== ==============================
AMI FastDisk Host Adapters that are true BusLogic MultiMaster clones are also
supported by this driver.
......@@ -260,9 +286,11 @@ list. The retail kit includes the bare board and manual as well as cabling and
driver media and documentation that are not provided with bare boards.
FLASHPOINT INSTALLATION NOTES
FlashPoint Installation Notes
=============================
o RAIDPlus Support
RAIDPlus Support
----------------
FlashPoint Host Adapters now include RAIDPlus, Mylex's bootable software
RAID. RAIDPlus is not supported on Linux, and there are no plans to support
......@@ -273,7 +301,8 @@ o RAIDPlus Support
than RAIDPlus, so there is little impetus to include RAIDPlus support in the
BusLogic driver.
o Enabling UltraSCSI Transfers
Enabling UltraSCSI Transfers
----------------------------
FlashPoint Host Adapters ship with their configuration set to "Factory
Default" settings that are conservative and do not allow for UltraSCSI speed
......@@ -287,12 +316,14 @@ o Enabling UltraSCSI Transfers
the "Optimum Performance" settings are loaded.
BT-948/958/958D INSTALLATION NOTES
BT-948/958/958D Installation Notes
==================================
The BT-948/958/958D PCI Ultra SCSI Host Adapters have some features which may
require attention in some circumstances when installing Linux.
o PCI I/O Port Assignments
PCI I/O Port Assignments
------------------------
When configured to factory default settings, the BT-948/958/958D will only
recognize the PCI I/O port assignments made by the motherboard's PCI BIOS.
......@@ -312,7 +343,8 @@ o PCI I/O Port Assignments
possible future I/O port conflicts. The older BT-946C/956C/956CD also have
this configuration option, but the factory default setting is "Primary".
o PCI Slot Scanning Order
PCI Slot Scanning Order
-----------------------
In systems with multiple BusLogic PCI Host Adapters, the order in which the
PCI slots are scanned may appear reversed with the BT-948/958/958D as
......@@ -339,7 +371,8 @@ o PCI Slot Scanning Order
so as to recognize the host adapters in the same order as they are enumerated
by the host adapter's BIOS.
o Enabling UltraSCSI Transfers
Enabling UltraSCSI Transfers
----------------------------
The BT-948/958/958D ship with their configuration set to "Factory Default"
settings that are conservative and do not allow for UltraSCSI speed to be
......@@ -353,7 +386,8 @@ o Enabling UltraSCSI Transfers
"Optimum Performance" settings are loaded.
DRIVER OPTIONS
Driver Options
==============
BusLogic Driver Options may be specified either via the Linux Kernel Command
Line or via the Loadable Kernel Module Installation Facility. Driver Options
......@@ -520,30 +554,34 @@ The following examples demonstrate setting the Queue Depth for Target Devices
Devices on the second host adapter to 31, and the Bus Settle Time on the
second host adapter to 30 seconds.
Linux Kernel Command Line:
Linux Kernel Command Line::
linux BusLogic=QueueDepth:[,7,15];QueueDepth:31,BusSettleTime:30
LILO Linux Boot Loader (in /etc/lilo.conf):
LILO Linux Boot Loader (in /etc/lilo.conf)::
append = "BusLogic=QueueDepth:[,7,15];QueueDepth:31,BusSettleTime:30"
INSMOD Loadable Kernel Module Installation Facility:
INSMOD Loadable Kernel Module Installation Facility::
insmod BusLogic.o \
'BusLogic="QueueDepth:[,7,15];QueueDepth:31,BusSettleTime:30"'
NOTE: Module Utilities 2.1.71 or later is required for correct parsing
.. Note::
Module Utilities 2.1.71 or later is required for correct parsing
of driver options containing commas.
DRIVER INSTALLATION
Driver Installation
===================
This distribution was prepared for Linux kernel version 2.0.35, but should be
compatible with 2.0.4 or any later 2.0 series kernel.
To install the new BusLogic SCSI driver, you may use the following commands,
replacing "/usr/src" with wherever you keep your Linux kernel source tree:
replacing "/usr/src" with wherever you keep your Linux kernel source tree::
cd /usr/src
tar -xvzf BusLogic-2.0.15.tar.gz
......@@ -557,7 +595,8 @@ Then install "arch/x86/boot/zImage" as your standard kernel, run lilo if
appropriate, and reboot.
BUSLOGIC ANNOUNCEMENTS MAILING LIST
BusLogic Announcements Mailing List
===================================
The BusLogic Announcements Mailing List provides a forum for informing Linux
users of new driver releases and other announcements regarding Linux support
......
......@@ -15,5 +15,6 @@ Linux SCSI Subsystem
aic7xxx
bfa
bnx2fc
BusLogic
scsi_transport_srp/figures
......@@ -3652,7 +3652,7 @@ static bool __init blogic_parse(char **str, char *keyword)
selected host adapter.
The BusLogic Driver Probing Options are described in
<file:Documentation/scsi/BusLogic.txt>.
<file:Documentation/scsi/BusLogic.rst>.
*/
static int __init blogic_parseopts(char *options)
......
......@@ -502,7 +502,7 @@ config SCSI_BUSLOGIC
This is support for BusLogic MultiMaster and FlashPoint SCSI Host
Adapters. Consult the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, and the files
<file:Documentation/scsi/BusLogic.txt> and
<file:Documentation/scsi/BusLogic.rst> and
<file:Documentation/scsi/FlashPoint.txt> for more information.
Note that support for FlashPoint is only available for 32-bit
x86 configurations.
......
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