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From: Matt Jacob <mjacob@FreeBSD.org>
Date: Thu, 1 Mar 2001 22:28:56 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/dev/isp isp.c isp_freebsd.c isp_inline.h
         isp_pci.c isp_target.c isp_target.h
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mjacob      2001/03/01 22:28:56 PST

  Modified files:
    sys/dev/isp          isp.c isp_freebsd.c isp_inline.h 
                         isp_pci.c isp_target.c isp_target.h 
  Log:
  Switch to using 16 bit handles instead of 32 bit handles.
  This is a pretty invasive change, but there are three good
  reasons to do this:
  
  1. We'll never have > 16 bits of handle.
  2. We can (eventually) enable the RIO (Reduced Interrupt Operation)
  bits which return multiple completing 16 bit handles in mailbox
  registers.
  3. The !)$*)$*~)@$*~)$* Qlogic target mode for parallel SCSI spec
  changed such that at_reserved (which was 32 bits) was split into
  two pieces- and one of which was a 16 bit handle id that functions
  like the at_rxid for Fibre Channel (a tag for the f/w to correlate
  CTIOs with a particular command). Since we had to muck with that
  and this changed the whole handler architecture, we might as well...
  
  Propagate new at_handle on through int ct_fwhandle. Follow
  implications of changing to 16 bit handles.
  
  These above changes at least get Qlogic 1040 cards working in target
  mode again. 1080/12160 cards don't work yet.
  
  In isp.c:
  Prepare for doing all loop management in outer layers.
  
  Revision  Changes    Path
  1.61      +52 -17    src/sys/dev/isp/isp.c
  1.60      +36 -19    src/sys/dev/isp/isp_freebsd.c
  1.14      +15 -15    src/sys/dev/isp/isp_inline.h
  1.64      +37 -32    src/sys/dev/isp/isp_pci.c
  1.13      +4 -3      src/sys/dev/isp/isp_target.c
  1.11      +12 -7     src/sys/dev/isp/isp_target.h


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