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From: "Kenneth D. Merry" <ken@FreeBSD.org>
Date: Fri, 18 Feb 2011 17:01:57 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/mps mps.c mps_sas.c mpsvar.h
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ken         2011-02-18 17:01:57 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/mps          mps.c mps_sas.c mpsvar.h 
  Log:
  SVN rev 218811 on 2011-02-18 17:01:57Z by ken
  
  In the MPS driver, during device removal processing, don't assume that
  the controller firmware will return all of our commands.  Instead, keep
  track of outstanding I/Os and return them to CAM once device removal
  processing completes.
  
  mpsvar.h:       Declare the new "io_list" in the mps_softc.
  
  mps.c:          Initialize the new "io_list" in the mps softc.
  
  mps_sas.c:      o Track SCSI I/O requests on the io_list from the
                    time of mpssas_action() through mpssas_scsiio_complete().
                  o Zero out the request structures used for device
                    removal commands prior to filling them out.
                  o Once the target reset task management function completes
                    during device removal processing, assume any SCSI I/O
                    commands that are still oustanding will never return
                    from the controller, and process them manually.
  
  Submitted by:   gibbs
  MFC after:      3 days
  
  Revision  Changes    Path
  1.11      +1 -0      src/sys/dev/mps/mps.c
  1.8       +24 -3     src/sys/dev/mps/mps_sas.c
  1.6       +1 -0      src/sys/dev/mps/mpsvar.h