tmscsim (DC390/AM53C974) SCSI driver 2.0f

From: Kurt Garloff (garloff@suse.de)
Date: Fri Dec 22 2000 - 21:58:13 EST

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    Hi Alan, Linus,

    I'd like to sync my 2.0f version of the tmscsim (Tekram DC390/AM53C974)
    Linux SCSI driver with both 2.2.19 and 2.4.0 mainstream kernels.

    I did not sync with you more often, as I was always reported a problem or
    finding one myself, when I was wanting to release the next version into the
    kernel. And SCSI drivers are somewhat delicate ... so I decided to have all
    open issues fixed, before submitting the driver to you.
    (Same reason, why I don't ask for inclusion of the Tekram DC395 driver,
     which is also available from my web pages.)

    I do believe it's time for submission now, as there is no open issue left.
    Testers all reported success :-)

    Unfortunately, I did not get around implementing the new SCSI error handling
    in the driver. This is on my agenda though.

    Bugs fixed / Features added:
    * lots of cleanups: splitted sync nego handling in separate functions,
      tag handling, ...
    * reset SYNC_NEGO_DONE after bus reset, so it's renegotiated
    * removed copying of the CmdBlock
    * don't retry timed out cmnds (broke scanners ... )
    * dump special command (for debugging)
    * return residual count for sg3 [2.4]
    * pci_enable_device () [2.4]
    * use dev_id for IRQ registering
    * act correctly when INQUIRY is used for device scan [2.4]
    * only negotiate sync, if INQUIRY reported the ability to do so
      (sigh, it should always work, but there are broken scanners and
       SCSI-1 devices out there)
    * __setup (tmscsim=, dc390_setup) [2.4]
    * allow cmd line parameters override SCSI Bios settings

    I apologize for the diffs: There have been indenting changes, which make the
    diffs hardly readable.
    I'll send you diffs against 2.2.18 and 2.4.0-test12 in private mail.

    Please apply!

    Regards, 

    -- 
Kurt Garloff                   <kurt@garloff.de>         [Eindhoven, NL]
Physics: Plasma simulations <k.garloff@phys.tue.nl>   [TU Eindhoven, NL]
Linux: SCSI, Security          <garloff@suse.de>   [SuSE Nuernberg, FRG]
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