Legacy Ultra60 with Solaris 5.7 SCSI device reverse engineering


 
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Operating Systems Solaris Legacy Ultra60 with Solaris 5.7 SCSI device reverse engineering
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Old 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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PT(4)							   BSD Kernel Interfaces Manual 						     PT(4)

NAME
pt -- SCSI processor type driver SYNOPSIS
device pt DESCRIPTION
The pt driver provides support for a SCSI processor type device. These are usually scanners and other devices using the SCSI link as a com- munication interface with device specific commands embedded in the data stream. A SCSI adapter must be separately configured into the system before this driver can be used. This device supports read(2) and write(2), and the ioctl(2) calls described below. IOCTLS
The following ioctl(2) calls are supported by the pt driver. They are defined in the header file <sys/ptio.h>. PTIOCGETTIMEOUT This ioctl allows userland applications to fetch the current pt driver read and write timeout. The value returned is in seconds. PTIOCSETTIMEOUT This ioctl allows userland applications to set the current pt driver read and write timeouts. The value should be in sec- onds. FILES
/dev/ptN the Nth processor device. SEE ALSO
cam(4) HISTORY
The pt driver appeared in FreeBSD 2.1. BSD
March 2, 1995 BSD