08-19-2011
Legacy Ultra60 with Solaris 5.7 SCSI device reverse engineering
I'm looking for help with a legacy system.
I have some obsolete equipment connected to an Ultra 60 running Solaris 5.7 with the binary for a 32 bit driver. The driver is rejected by newer versions of solaris, which run 64 bit kernels.
I hope to reverse engineer the driver so that I can move to a more modern OS and HW solution. The manufacturer of the device and its protocol, in fact the entire industry, became defunct in 1998, and, I do not have the source code for the driver. The device is actually connected via a blackbox scsi-to-fiber device. So I need to be able to tap into the data stream so I can analyze what needs to be done to create a new driver.
Thanks for any info you can provide.
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AHB(4) BSD Kernel Interfaces Manual AHB(4)
NAME
ahb -- Adaptec EISA SCSI host adapter driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device scbus
device ahb
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
ahb_load="YES"
DESCRIPTION
This driver provides access to the SCSI bus connected to an Adaptec AHA-174X host adapters in ``enhanced'' mode. Tagged queueing and syn-
chronous SCSI transfers are supported.
HARDWARE
The ahb driver supports the following SCSI host adapters:
o Adaptec AHA-1740
o Adaptec AHA-1742
o Adaptec AHA-1740A
o Adaptec AHA-1742A
CAVEATS
The Adaptec 174X is very sensitive to SCSI bus termination and cable length. It may also have difficulties operating with some modern
devices that, due to their speed, expose timing problems in the controller. There are no known mechanisms for working around device incom-
patibilities of this nature.
SEE ALSO
aha(4), ahc(4), aic(4), cd(4), da(4), sa(4), scsi(4)
AUTHORS
The ahb driver was written by Justin T. Gibbs.
BSD
July 4, 2004 BSD